CN218632572U

CN218632572U - D-sub connector metal shell

Info

Publication number: CN218632572U
Application number: CN202223068025.4U
Authority: CN
Inventors: 郭存强; 胡小芳; 马庆耘
Original assignee: Beijing Jingxin Century Technology Co ltd
Current assignee: Beijing Jingxin Century Technology Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-14
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a D-sub connector metal shell, which comprises a shell lower cover and a shell upper cover, wherein the shell upper cover is positioned at the upper end of the shell lower cover, and protective connecting structures are arranged in the shell lower cover and the shell upper cover; the protection connection structure includes: the cable fixing device comprises two threaded round tables, two connecting grooves, two connecting bolts, a cable fixing component, a shielding fixing component, four mounting semicircles, short screw rods and long screw rods; the utility model relates to a connector technical field, the protection connection structure that the present case adopted, at two cable fixation clamps of the inboard increase of afterbody of connector shell lower cover, be used for fixed cable crust, even by a wide margin rock the cable, can not influence the joint strength of connector and cable yet, increased the metallic shield tail clamp in connector shell one side, the metallic shield tail clamp can be inlayed in the shell afterbody recess, can guarantee 360 electromagnetic shielding capacities like this.

Description

D-sub connector metal shell

Technical Field

The utility model relates to a connector technical field specifically is D-sub connector metal casing.

Background

The industrial standard connector D-sub is widely applied to various electronic and electrical equipment, not only has a wide application range, but also has a long application history, the existing D-sub connector has poor cable protection effect in the connector in actual use, the cable is easily attached to a screw, the screw is easily damaged to the cable after long-time use, and the problem of poor cable stress release capability also exists.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the D-sub connector metal shell comprises a shell lower cover and a shell upper cover, wherein the shell upper cover is positioned at the upper end of the shell lower cover, and protective connecting structures are arranged in the shell lower cover and the shell upper cover;

the protection connection structure includes: the cable fixing device comprises two threaded round tables, two connecting grooves, two connecting bolts, a cable fixing component, a shielding fixing component, four mounting semicircles, short screw rods and long screw rods;

the two thread round platforms are respectively positioned on two sides in the lower shell cover, the two connecting grooves are respectively positioned on two sides of the upper shell cover, the two connecting bolts respectively penetrate through the two connecting grooves and are respectively embedded in the two thread round platforms, the cable fixing component is installed on one side in the lower shell cover, the shielding fixing component is movably installed on one side of the lower shell cover and one side of the upper shell cover, the four installation semicircles are respectively arranged on two side wall surfaces of the lower shell cover and the upper shell cover, the short screw rods are movably embedded in the two installation semicircles, and the long screw rods are movably embedded in the other two installation semicircles.

Preferably, the cable fixing assembly includes: the cable fixing device comprises a mounting seat, two cable fixing clamps and four fixing bolts;

the mounting seat is installed in shell lower cover one side, two the cable fixation clamp all is located the mounting seat upper end, four fixing bolt runs through respectively in two the cable fixation clamp both sides, and all inlay and adorn in the mounting seat.

Preferably, the shield fixing assembly includes: the metal tail clamp comprises a metal tail clamp lower cover, a metal tail clamp upper cover and two mounting bolts;

one end of the lower metal tail clamp cover is movably embedded in one end of the lower shell cover and one end of the upper shell cover, the upper metal tail clamp cover is placed at the upper end of the upper metal tail clamp cover, and the two mounting bolts respectively penetrate through two sides of the upper metal tail clamp cover and are respectively embedded in two side walls of the lower metal tail clamp cover.

Preferably, a boss is arranged at one end of the lower cover of the metal tail clamp.

Preferably, the two connecting grooves correspond to the two thread round tables respectively.

Preferably, the cable fixing clip is arc-shaped.

The utility model provides a D-sub connector metal casing. The method has the following beneficial effects: the protective connection structure is characterized in that two cable fixing clamps are additionally arranged on the inner side of the tail of the lower cover of the connector shell and used for fixing a cable sheath, even if the cable is greatly shaken, the connection strength of the connector and the cable cannot be influenced, a metal shielding tail clamp is additionally arranged on one side of the connector shell and can be embedded into a groove in the tail of the shell, 360-degree electromagnetic shielding capacity can be guaranteed, a screw mounting position of the upper cover of the shell is recessed to a certain depth, when the protective connection structure is matched with the lower cover of a D-sub connector metal shell in use, a threaded circular truncated cone of the lower cover of the D-sub connector metal shell can be completely matched with a connecting groove of the upper cover of the D-sub connector metal shell, the cable can be prevented from being crushed by mounting screws, and the cable is protected from being damaged in the mounting process of the connector.

Drawings

Fig. 1 is a schematic view of a front perspective structure of a metal shell of a D-sub connector according to the present invention.

Fig. 2 is a schematic view of the main explosion structure of the metal shell of the D-sub connector of the present invention.

Fig. 3 is a schematic diagram of a side-view explosion structure of the metal shell of the D-sub connector of the present invention.

In the figure: 1. the shell lower cover, 2, the shell upper cover, 3, the screw thread round platform, 4, connecting groove, 5, connecting bolt, 6, installation semicircle, 7, short screw rod, 8, long screw rod, 9, mount pad, 10, cable fixation clamp, 11, fixing bolt, 12, metal tail clamp lower cover, 13, metal tail clamp upper cover, 14, mounting bolt, 15, boss.

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. 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.

Examples

As shown in fig. 1-3, the metal shell of the D-sub connector comprises a lower shell cover 1 and an upper shell cover 2, wherein the upper shell cover 2 is located at the upper end of the lower shell cover 1, and protective connecting structures are arranged in the lower shell cover 1 and the upper shell cover 2;

the protection connection structure includes: the cable fixing device comprises two threaded round tables 3, two connecting grooves 4, two connecting bolts 5, a cable fixing component, a shielding fixing component, four mounting semicircles 6, a short screw 7 and a long screw 8;

two screw thread round platforms 3 are respectively located both sides in the shell lower cover 1, two connecting grooves 4 are respectively located 2 both sides of shell upper cover, two connecting bolts 5 run through two connecting grooves 4 respectively, and inlay respectively in two screw thread round platforms 3, cable fixed component installs one side in the shell lower cover 1, shielding fixed component movable mounting is in shell

lower cover

1 and 2 one sides of shell upper cover, four installation semicircles 6 are seted up respectively in shell

lower cover

1 and 2 both sides wall face departments of shell upper cover, short screw 7 activity inlays and is adorned in two of them installation semicircles 6, long screw 8 activity inlays and is adorned in two other installation semicircles 6.

When the connector is used, a worker firstly penetrates one end of a cable through the shielding fixing component, then one end of the shielding fixing component is embedded into a groove at the tail part of the shell lower cover 1, the cable is electromagnetically shielded through the shielding fixing component, then the cable is fixed in the shell lower cover 1 through the cable fixing component, finally the shell upper cover 2 is placed at the upper end of the shell lower cover 1, two connecting grooves 4 correspond to two thread round tables 3, the shell lower cover 1 is connected with the shell upper cover 2 through two connecting bolts 5, after the shell lower cover 1 is connected with the shell upper cover 2, four mounting semicircles 6 positioned on one sides of the shell lower cover 1 and the shell upper cover 2 form two round holes, and then a short screw 7 and a long screw 8 are respectively embedded into the two round holes, and the long screw 8 is required to be debugged and the connector is dismounted back and forth; the short screw 7 is suitable for one-time installation and use of industrial equipment, is provided with a U-shaped pressing plate, is firm in installation and fixation, and can meet the requirements under the condition that some installation spaces are small.

In a specific implementation, the cable fixing assembly comprises: the cable fixing device comprises a mounting seat 9, two cable fixing clamps 10 and four fixing bolts 11;

the mounting seat 9 is installed in 1 one side of shell lower cover, and two cable fixation clamps 10 all are located the mounting seat 9 upper end, and four fixing bolt 11 run through respectively in two cable fixation clamp 10 both sides, and all inlay and adorn in the mounting seat 9.

It should be noted that, when fixing the cable, a worker first places the cable on the upper end of the mounting seat 9, then places the two cable fixing clamps 10 on the upper end of the cable and corresponds to the mounting holes on the upper end of the mounting seat 9, and finally fixes the two cable fixing clamps 10 on the upper end of the mounting seat 9 through the four fixing bolts 11, so as to fix the cable, and the upper cover 2 of the housing and the lower end of the housing are not subjected to the force from the cable, thereby achieving the effect of releasing the stress.

In a specific implementation, the shield fixing assembly comprises: a metal tail clamp lower cover 12, a metal tail clamp upper cover 13 and two mounting bolts 14;

one end of the metal tail clamp lower cover 12 is movably embedded in one end of the shell lower cover 1 and one end of the shell upper cover 2, the metal tail clamp upper cover 13 is placed at the upper end of the metal tail clamp upper cover 13, and the two mounting bolts 14 respectively penetrate through two sides of the metal tail clamp upper cover 13 and are respectively embedded in two side walls of the metal tail clamp lower cover 12.

It should be noted that, aiming at the installation requirements of various cable outer diameters, plastic tail clamps and metal shielding tail clamps with various sizes are designed, the plastic tail clamps and the metal shielding tail clamps can be replaced according to different use requirements, when the plastic tail clamps are used, cables firstly pass through the plastic tail clamps, two small bosses 15 are arranged on the upper and lower parts of the plastic tail clamps, the two small bosses 15 are matched with the concave parts on the inner sides of the tail parts of the upper and

lower shells

2 and 1, and the plastic tail clamps are designed for meeting the shielding capability of preventing electromagnetic interference; according to the outer diameter of the cable, the proper size of the metal shielding tail clamp is selected, the cable penetrates through the metal tail clamp lower cover 12, and after the metal tail clamp upper cover 13 is installed, due to the design of the thickness of the metal tail clamp upper cover 13, no gap is formed between the cable and the tail clamp in different sizes, and therefore the 360-degree electromagnetic shielding function is guaranteed. The connection mode of the metal tail clamp lower cover 12 and the connector metal shell upper cover and lower cover is the same as the fixing mode of the plastic tail clamp, and the metal tail clamp lower cover and the connector metal shell upper cover and lower cover are matched with the concave parts of the shell upper cover 2 and the shell lower cover 1 through two small bosses 15.

In the specific implementation process, a boss 15 is arranged at one end of the lower cover 12 of the metal tail clamp.

In the specific implementation process, the two connecting grooves 4 respectively correspond to the two threaded round tables 3.

In particular embodiments, the cable retaining clip 10 is arcuate in shape.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1.D-sub connector metal shell, comprising a shell lower cover (1) and a shell upper cover (2), characterized in that the shell upper cover (2) is located at the upper end of the shell lower cover (1), and a protective connecting structure is arranged in the shell lower cover (1) and the shell upper cover (2);

the protection connection structure includes: the cable fixing device comprises two thread round tables (3), two connecting grooves (4), two connecting bolts (5), a cable fixing component, a shielding fixing component, four mounting semicircles (6), short screw rods (7) and long screw rods (8);

two the screw thread round platform (3) are located both sides in the shell lower cover (1) respectively, two connecting groove (4) are located respectively shell upper cover (2) both sides, two connecting bolt (5) run through respectively in two connecting groove (4), and inlay respectively in two in the screw thread round platform (3), cable fixed subassembly install in one side in shell lower cover (1), shielding fixed subassembly movable mounting in shell lower cover (1) and shell upper cover (2) one side, four installation semicircle (6) are seted up respectively in shell lower cover (1) and shell upper cover (2) both sides wall face department, short screw rod (7) activity is inlayed and is located wherein two in installation semicircle (6), long screw rod (8) activity is inlayed and is located in another two in installation semicircle (6).

2. The D-sub connector metal shell of claim 1, wherein the cable securing assembly comprises: the cable fixing device comprises a mounting seat (9), two cable fixing clamps (10) and four fixing bolts (11);

the mounting seat (9) is mounted on one side of the lower shell cover (1), the two cable fixing clamps (10) are located at the upper end of the mounting seat (9), and the four fixing bolts (11) respectively penetrate through the two sides of the cable fixing clamps (10) and are embedded in the mounting seat (9).

3. The D-sub connector metal shell of claim 1, wherein the shield fixing assembly comprises: the metal tail clamp comprises a metal tail clamp lower cover (12), a metal tail clamp upper cover (13) and two mounting bolts (14);

one end of the metal tail clamp lower cover (12) is movably embedded in one end of the shell lower cover (1) and one end of the shell upper cover (2), the metal tail clamp upper cover (13) is placed at the upper end of the metal tail clamp upper cover (13), and the two mounting bolts (14) respectively penetrate through two sides of the metal tail clamp upper cover (13) and are respectively embedded in two side walls of the metal tail clamp lower cover (12).

4. The metal shell of D-sub connector as recited in claim 3, characterized in that one end of the metal tail clip lower cover (12) is provided with a boss (15).

5. The D-sub connector metal shell according to claim 1, wherein two of the connecting grooves (4) correspond to two of the thread frustums (3), respectively.

6. The D-sub connector metal shell according to claim 2, characterized in that the cable retaining clip (10) is arc-shaped.