CN218867543U

CN218867543U - Connect stable connector

Info

Publication number: CN218867543U
Application number: CN202223183195.7U
Authority: CN
Inventors: 孙衍鹏
Original assignee: Chengdu Shulian Yitong Technology Co ltd
Current assignee: Sichuan Lianchang Ict Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-04-14
Anticipated expiration: 2032-11-29

Abstract

The application discloses a connector stable in connection, which comprises a shell, wherein a pressing block is arranged in the shell, a plurality of elastic clamping hooks are arranged on the shell, clamping grooves are formed in the pressing block, and the elastic clamping hooks are respectively attached to the clamping grooves in a limiting manner along the axis direction of the shell; the free end of the pressing block is also inserted with a connector, and an axial limiting device is arranged between the pressing block and the connector; meanwhile, the end face of the free end of the connector is also provided with anti-falling teeth for preventing the direct current blocker from rotating; when the direct current blocking device is used, the pressing block is inserted into the shell, the connector is connected with the pressing block in an inserting mode, the direct current blocking device is connected through the connector, and meanwhile the anti-falling teeth limit the direct current blocking device to rotate around the axial direction, so that the connection stability and reliability of the direct current blocking device are improved; compared with the prior art, the connector has the advantages that the connection of all parts is realized through the plugging mode, the installation is convenient, the use is simple, and the assembly efficiency of the connector can be effectively improved.

Description

Connect stable connector

Technical Field

The application relates to the technical field of traffic equipment, in particular to a connector stable in connection.

Background

In a tunnel wireless distribution system adopting a leaky cable, the direct current blocker is mainly applied to the leaky cable. A dc block device, as the name implies, is a dc blocking device that may be structurally considered as a high voltage tolerant capacitor.

In the prior art, the dc block is generally connected to the leaky cable by a connector, wherein the dc block is connected to the connector by a screw connection, but the connection reliability between the connector and the dc block is low because the dc block and the connector end are loosened to different degrees after a period of operation due to vibration generated during the high-speed operation of the train.

SUMMERY OF THE UTILITY MODEL

The main objective of the present application is to provide a dc block device, which aims to solve the defect of low connection reliability existing in the prior art.

The utility model realizes the above purpose by the following technical proposal;

a connection-stable connector comprising a housing;

the pressing block is provided with a plurality of clamping grooves, and each elastic clamping hook is clamped into the corresponding clamping groove;

one end of the connector is connected with the pressing block in an inserted manner, and an axial limiting device is arranged between the pressing block and the connector; the other end of the connector is used for being connected with the direct current blocker through a screw thread, and anti-falling teeth are further arranged on the end face of the end.

Optionally, the elastic hooks are uniformly distributed around the axis of the shell, one end of each elastic hook is integrally connected with the shell, and the other end of each elastic hook is in a suspension state.

Optionally, the pressing block is further integrally connected with a guide ring, and the guide ring and the hooks are provided with guide surfaces matched with each other.

Optionally, the axial stop device includes first draw-in groove and second draw-in groove, first draw-in groove is located on the briquetting, the second draw-in groove is located on the connector, still be provided with the rand in the first draw-in groove, follow the axial direction of briquetting, the rand respectively with the lateral wall of first draw-in groove and second draw-in groove supports and leans on.

Optionally, a sealing gasket is further arranged in the connector, and one side of the sealing end abuts against the pressing block.

Optionally, a cable fixing head is further arranged in the shell, and the cable fixing head and the pressing block are matched with each other to clamp and fix the cable.

Optionally, a clamping groove is formed in the pressing block, a clamping ring is arranged on the pressing block, the clamping ring is inserted into the clamping groove, and clamping surfaces which are arranged in a conical shape are arranged on the clamping ring and the clamping groove.

Optionally, a sealing groove is further formed in the pressing block, and a first sealing ring is arranged in the sealing groove.

Optionally, a first limiting groove is formed in the cable fixing head, a second limiting groove is formed in the shell, a clamp spring is arranged in the first limiting groove, and the clamp spring is abutted to the side walls of the first limiting groove and the second limiting groove respectively along the axial direction of the shell.

Optionally, the shell is further integrally connected with a limiting ring for limiting the axial sliding of the cable fixing head; and a second sealing ring is also arranged between the cable fixing head and the limiting ring.

Compared with the prior art, the method has the following beneficial effects:

the clamping device comprises a shell, wherein a pressing block is arranged in the shell, a plurality of elastic clamping hooks are arranged on the shell, clamping grooves are formed in the pressing block, and the elastic clamping hooks are respectively attached to and limited with the clamping grooves along the axial direction of the shell; the free end of the pressing block is also inserted with a connector, and an axial limiting device is arranged between the pressing block and the connector; meanwhile, the end face of the free end of the connector is also provided with anti-falling teeth for preventing the direct current blocker from rotating;

when the connector is used, the pressing block is inserted into the shell, the connector is connected with the pressing block in an inserting mode, and finally the external direct current blocker is connected with the external direct current blocker through the connector screw threads;

compared with the prior art, the connector realizes the connection of all parts in a plug-in mode, is convenient to install and simple to use, and can effectively improve the assembly efficiency of the connector;

secondly, through the cooperation of elasticity trip and draw-in groove and axial stop device, can guarantee the stable connection between each part in the axial direction.

Drawings

Fig. 1 is a schematic structural diagram of a connector with stable connection according to an embodiment of the present disclosure;

fig. 2 is an exploded view of a connector with stable connection according to an embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of a connector with stable connection according to an embodiment of the present disclosure;

reference numerals are as follows: 1-housing, 2-press block, 3-elastic hook, 4-clamping groove, 5-connector, 6-anti-slip tooth, 7-guide ring, 8-guide surface, 9-first clamping groove, 10-second clamping groove, 11-clamping ring, 12 sealing gasket, 13-cable fixing head, 14-clamping groove, 15-clamping ring, 16-clamping surface, 17-sealing groove, 18-first sealing ring, 19-first limiting groove, 20-second limiting groove, 21-clamping spring, 22-limiting ring, 23-second sealing ring.

The objectives, features, and advantages of the present application will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Embodiment mode 1

Referring to fig. 1 and 3, as an optional embodiment of the present application, the present embodiment discloses a connector with stable connection, which includes a housing 1 and a press block 2, where the housing 1 is a hollow structure, one end of the housing 1 is integrally connected to a limit ring 22, a through hole for passing through a cable is provided in the middle of the limit ring 22, a cable fixing head 13 is further provided in the housing 1, a second sealing ring 23 is further filled between the cable fixing head 13 and the limit ring 22, and the limit ring 22 and the cable fixing head 13 squeeze the second sealing ring 23 from the left and right sides along the axial direction of the housing 1, so as to seal a terminal of the housing 1;

the other end of the shell 1 is provided with a plurality of elastic clamping hooks 3, each elastic clamping hook 3 is uniformly arranged around the axis of the shell 1, one end of each elastic clamping hook 3 is integrally connected with the shell 1, the other end of each elastic clamping hook is in a free state, a clamping groove 4 in an annular structure is formed in the outer surface of the pressing block 2, a guide ring 7 is further arranged on the outer surface of the pressing block 2, the guide ring 7 is integrally connected with the pressing block 2 and protrudes outwards in the radial direction of the pressing block 2, the guide ring 7 is arranged on one side, right opposite to the shell 1, of the clamping groove 4, a guide surface 8 is further obliquely arranged on one end face, right opposite to the shell 1, of the guide ring 7, the side face of each elastic clamping hook 3 is also obliquely provided with a guide surface 8, the two guide surfaces 8 are mutually attached and extruded, so that the elastic clamping hooks 3 are forced to elastically deform outwards, when the guide ring 7 is separated from the elastic clamping hooks 3, the elastic clamping hooks 3 are automatically reset and clamped into the clamping grooves 4, and the elastic clamping hooks 3 are mutually attached to realize the axial connection of the shell and the pressing block in the axial direction;

the structure not only simplifies the plug-in structure, but also ensures the stability and reliability of axial connection; meanwhile, component force is formed in the radial direction through the guide surface which is obliquely arranged, so that automatic yielding of the elastic clamping hook is realized, and the difficulty of inserting installation is greatly simplified;

a sealing groove 17 is further formed in the middle of the pressing block 2, a first sealing ring 18 is filled in the sealing groove 17, and a gap between the shell 1 and the pressing block 2 is filled through the first sealing ring 18, so that sealing is achieved; the end face of one end of the pressing block 2 inserted into the shell 1 is also provided with a clamping groove 14, one end of the cable fixing head 13 opposite to the pressing block 2 is provided with a clamping ring 15, the clamping ring 15 is inserted into the clamping groove 14, as shown in fig. 3, when the cable fixing head is installed, a copper pipe in the cable is pressed into the clamping groove 14, and meanwhile, the inner wall and the outer wall of the copper pipe are respectively attached to the inner wall and the outer wall of the clamping ring 15 and the inner wall of the clamping groove 14, so that the copper pipe is fixed;

meanwhile, the clamping ring 15 and the clamping groove 14 are both provided with a conical clamping surface, and the contact area between the clamping ring and a cable copper pipe can be effectively increased through the inclined clamping surface 16, so that the clamping stability is improved; meanwhile, in the axial direction, the clamping surface can provide a limiting force, so that the stability and the reliability of connection are further improved;

a first limiting groove 19 in an annular structure is arranged on the cable fixing head 13, a second limiting groove 20 is arranged on the inner wall of the shell 1, a clamp spring 21 is further arranged in the first limiting groove 19, after the cable fixing head is installed, the open end of the top of the first limiting groove 19 is opposite to the open end of the bottom of the second limiting groove 20, so that the first limiting groove 19 and the second limiting groove 20 are communicated with each other, the inner side of the clamp spring 21 abuts against the end surface of the first limiting groove 19 along the radial direction, and the outer side of the clamp spring 21 abuts against the end surface of the second limiting groove 20, so that the cable fixing head 13 is stably installed in the shell 1 through the clamp spring 21; the device also has the advantages of simple structure and high stability;

the connector 5 is of a hollow structure, a connecting thread is arranged on the inner wall of the middle part of a cavity of the connector, an external direct current blocker is connected through the connecting thread, one end, located outside the shell, of the pressing block 2 is inserted into the connector, a first clamping groove 9 is further formed in one end, inserted into the connector, of the pressing block, a second clamping groove 10 is formed in the inner wall of the connector, a clamping ring 11 is further arranged in the first clamping groove 9, the clamping ring 11 is a clamping spring, after installation is completed, the open end of the top of the first clamping groove 9 is opposite to the open end of the bottom of the second clamping groove 10, so that the first clamping groove 9 and the second clamping groove 10 are communicated with each other, the inner side of the clamping ring 11 abuts against the end face of the first clamping groove 9 in the radial direction, and the outer side of the clamping ring abuts against the end face of the second clamping groove 10, so that the pressing block is stably inserted into the connector through the clamping spring;

meanwhile, a sealing gasket 12 is arranged in the connector 5, and after the installation is finished, two end faces of the sealing gasket 12 are respectively attached to and abutted against the end face of the pressing block 2 and the end face of the direct current blocker, so that the sealing of the joint end of the direct current blocker is realized;

meanwhile, by adopting the structure, the pressing force on the sealing gasket can be controlled by adjusting the position of the direct current blocker, so that the sealing property is adjusted;

simultaneously the terminal surface of 5 free ends of connector still is provided with anti-disengaging tooth 6, with this application the supporting direct current blocker terminal surface of connector also is provided with anti-disengaging tooth, two the anti-disengaging tooth will intermeshing after the installation is accomplished to prevent that direct current blocker from taking place rotatoryly under the external vibration, improve the stability and the reliability that direct current blocker connected.

When the device is used, the pressing block is inserted into the shell, the connector is connected with the pressing block in an inserting mode, finally the external direct current blocker is connected through the connector, and meanwhile the direct current blocker is limited to rotate around the axial direction through the anti-disengaging teeth, so that the connection stability and reliability of the direct current blocker are improved;

secondly, through the matching of the elastic clamping hook and the clamping groove and the axial device, the stable connection among all parts can be ensured in the axial direction;

finally, this application each omission point position of connecting device all is provided with plugging device and realizes the shutoff to improve whole connector waterproof performance.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.

Claims

1. A connection-stable connector, characterized by comprising a housing (1);

the pressing block (2), one end of the pressing block (2) is connected with the shell (1) in an inserting mode, a plurality of elastic clamping hooks (3) are arranged on the shell (1), clamping grooves (4) are formed in the pressing block (2), and the elastic clamping hooks (3) are respectively clamped into the clamping grooves (4);

one end of the connector (5) is connected with the pressing block (2) in an inserted manner, and an axial limiting device is further arranged between the pressing block (2) and the connector (5); the other end of the connector (5) is used for being connected with the direct current blocker through a screw thread, and the end face of the end is also provided with an anti-falling tooth (6).

2. A connector stable in connection according to claim 1, characterized in that each of said elastic hooks (3) is uniformly distributed around the axis of said housing (1) and has one end integrally connected to said housing (1) and the other end in a cantilevered state.

3. The connector with stable connection according to claim 2, wherein a guide ring (7) is further integrally connected to the pressing block (2), and the guide ring (7) and each of the hooks are provided with a guide surface (8) which is matched with each other.

4. A connector with stable connection according to any one of claims 1 to 3, wherein the axial limiting device comprises a first clamping groove (9) and a second clamping groove (10), the first clamping groove (9) is located on the pressing block (2), the second clamping groove (10) is located on the connecting head (5), a clamping ring (11) is further arranged in the first clamping groove (9), and the clamping ring (11) abuts against the side walls of the first clamping groove (9) and the second clamping groove (10) along the axial direction of the pressing block (2).

5. A connector with stable connection according to claim 4, characterized in that a sealing gasket (12) is arranged in the connecting head (5), and one side of the sealing gasket (12) is abutted against the pressing block (2).

6. A connector with stable connection according to any one of claims 1 to 3, characterized in that a cable fixing head (13) is further arranged in the housing (1), and the cable fixing head (13) and the pressing block (2) cooperate with each other to clamp and fix the cable.

7. A connection-stable connector as claimed in claim 6, characterized in that the pressure block (2) is provided with a clamping groove (14), the cable fixing head (13) is provided with a clamping ring (15), and the clamping ring (15) is inserted into the clamping groove (14); the clamping ring (15) and the clamping groove (14) are both provided with a clamping surface (16) which is arranged in a conical shape.

8. The connector with stable connection is characterized in that the pressing block (2) is further provided with a sealing groove (17), and a first sealing ring (18) is arranged in the sealing groove (17).

9. The connector with stable connection according to claim 6, wherein a first limiting groove (19) is arranged on the cable fixing head, a second limiting groove (20) is arranged on the housing (1), a clamp spring (21) is arranged in the first limiting groove (19), and the clamp spring (21) abuts against the side walls of the first limiting groove (19) and the second limiting groove (20) respectively along the axial direction of the housing (1).

10. The connector with stable connection according to claim 6, wherein a limiting ring (22) for limiting the axial sliding of the cable fixing head (13) is further integrally connected to the housing (1); and a second sealing ring (23) is also arranged between the cable fixing head (13) and the limiting ring (22).