CN209823001U

CN209823001U - Improve public first feeder connector of cable clamp structure

Info

Publication number: CN209823001U
Application number: CN201920852093.9U
Authority: CN
Inventors: 胡建国; 周立明; 裘丹丹
Original assignee: Hangzhou Friction Communication Equipment Co Ltd
Current assignee: Hangzhou Friction Communication Equipment Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2019-12-20
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses an improve public first feeder connector of cable clamp structure, the utility model relates to a feeder connector field, concretely relates to improve public first feeder connector of cable clamp structure. The utility model discloses a benefit: the utility model discloses set up bimodal cable clamp, be provided with the barb on bimodal cable clamp's the clamping jaw, the front end of clamping jaw is provided with fixed inclined plane, when the front shell inserts in the back shell, fixed inclined plane cooperates with cooperation inclined plane for bimodal cable clamp is stable, and, the barb can further improve joint strength, makes bimodal cable clamp further stable, is difficult for shaking and droing; in addition, because the expansion groove is formed in the rear shell, when the feeder line is inserted into the rear shell, the double-peak cable clamp can expand due to extrusion force generated when the feeder line is inserted, so that the feeder line can be conveniently inserted, the feeder line can be better clamped, a riveting pipe is omitted, the production cost is reduced, and the installation efficiency is improved.

Description

Improve public first feeder connector of cable clamp structure

Technical Field

The utility model relates to a feeder connector field, concretely relates to improve public first feeder connector of cable clamp structure.

Background

A feeder connector is a component that is attached to a cable or to an instrument as a component for transmitting electrical connections or separations. With the existing feeder connector (see fig. 6 in the specification), there are still some problems with this device when in use: 1. the device is internally provided with the riveting pipe and the cable clamp, when the feeder is installed in the device, the feeder is required to be connected with the cable clamp through the riveting pipe, the fixation of the feeder is further realized, and the riveting pipe arranged in the device not only increases the production cost, but also improves the installation complexity. 2. Because the device has adopted the connection mode that the shell before the back shell inserts, satisfying the whole volume of device and can not too big and under the cable clamp inner space can not too little the condition, lead to the not too thick of back shell for the back shell is thinner, thereby leads to the fastness of device to descend, makes the life of device reduce. 3. Threaded connection's mode has been used with the back shell to the preceding shell of the device, preceding shell is provided with the spanner clamping face on the surface with the back shell, the staff screws through the spanner before with shell and back shell and connects, but the shell is complicated with the back shell on the surface at the preceding shell and production technology has been provided with the spanner clamping face, the production cost is improved, and simultaneously, threaded connection's mode has increased the work load of staff at the installation, the installation effectiveness has been reduced, threaded connection's mode sealing performance is relatively poor in addition, after long-term use, moisture, inside liquid etc. gets into the device from the axis direction, influence the normal work of the device, and the service life is prolonged.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a male feeder connector with an improved cable clamp structure for solving the above problems.

A male feeder connector with an improved cable clamp structure comprises a contact pin, a front shell and a rear shell, wherein the front shell is hollow, the contact pin and the front shell are coaxially arranged, an insulator is arranged between the contact pin and the front shell, a positioning bulge is arranged on the inner wall of the front shell, the inner wall of the front shell is clamped by the insulator, one end of the insulator is abutted to the positioning bulge, a first groove and a first clamp spring groove are formed in the outer side of one end of the front shell, a first O-shaped ring is embedded in the first groove, a threaded sleeve is sleeved on the outer side of the front shell, a containing groove used for containing the first O-shaped ring and a second clamp spring groove matched with the first clamp spring groove are formed in the threaded sleeve, a clamp spring is arranged between the first clamp spring groove and the second clamp spring groove, the threaded sleeve and the front shell are connected through the clamp spring, a positioning convex ring is arranged on the, a second groove is formed in one side of the positioning convex ring, a second O-shaped ring is embedded in the second groove, and a matching inclined plane is formed at the other end of the front shell; the inside cavity of back shell, one side of back shell is provided with the chamber that holds that is used for holding preceding shell, is provided with first location step and second location step on the inner wall of back shell, the joint has doublet cable clamp on the second location step, the one end of doublet cable clamp is provided with the clamping jaw, is provided with the barb on the clamping jaw, the front end of clamping jaw is provided with the fixed inclined plane with cooperation inclined plane looks adaptation, and the tail end of doublet cable clamp is provided with third O type circle, and third O type circle is located the inside of back shell, still be provided with the expansion groove on the inner wall of back shell.

Preferably, preceding shell connect the chamber that holds of back shell through the internal card mode of forced draft, preceding shell and back shell pass through interference fit fixed connection.

Preferably, the outer surface of the screw sleeve is provided with a wrench clamping surface.

Preferably, the surfaces of the front shell and the rear shell are smooth cylindrical.

The utility model discloses an actively the effect as follows:

1. the utility model discloses set up bimodal cable clamp, be provided with the barb on bimodal cable clamp's the clamping jaw, the front end of clamping jaw is provided with fixed inclined plane, when the front shell inserts in the back shell, fixed inclined plane cooperates with cooperation inclined plane for bimodal cable clamp is stable, and, the barb can further improve joint strength, makes bimodal cable clamp further stable, is difficult for shaking and droing; in addition, because the expansion groove is formed in the rear shell, when the feeder line is inserted into the rear shell, the double-peak cable clamp can expand due to extrusion force generated when the feeder line is inserted, so that the feeder line can be conveniently inserted, the feeder line can be better clamped, a riveting pipe is omitted, the production cost is reduced, and the installation efficiency is improved.

2. The utility model discloses a preceding shell is fixed on the shell of back through the internal card mode of suppressing, holds the afterbody interference fit of chamber and preceding shell and is connected, simultaneously, the location bulge loop of shell before the butt of back shell, the connected mode of shell insert back shell before realizing, can suitably increase the thickness of back shell under the condition that satisfies that the whole volume of device can not be too big and back casing inner space can not be too little for the fastness of device increases.

3. The utility model discloses a preceding shell all is glossy cylindric with the surface of back shell, and preceding shell is fixed on the shell of back through the inside callipers mode of forcing, need not to carry out the setting of spanner clamping face to simplified production technology, reduced manufacturing cost, reduced the work load of staff at the installation simultaneously, improved work efficiency, owing to adopted the inside callipers mode of forcing, lead to the further improvement of sealing performance of device.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1.

Fig. 3 is a schematic structural diagram of the front housing of the present invention.

Fig. 4 is a schematic structural view of the middle and rear housings of the present invention.

Fig. 5 is a schematic structural diagram of the present invention.

Fig. 6 is a schematic structural diagram of a conventional feeder connector.

In the figure: contact pin 1, double-peak cable clamp 2, swivel nut 3, preceding shell 4, back shell 5, insulator 6, jump ring 7, second O type circle 8, third O type circle 9, first O type circle 10, clamping jaw 21, barb 22, fixed inclined plane 23, holding tank 31, second jump ring recess 32, spanner clamping surface 33, location arch 41, first recess 42, first jump ring recess 43, location bulge loop 44, second recess 45, cooperation inclined plane 46, hold chamber 51, first location step 52, second location step 53, expansion groove 54.

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.

Referring to fig. 1-5, a male feeder line connector with an improved cable clamp structure includes a pin 1, a front housing 4 and a rear housing 5, the front housing 4 is hollow, the pin 1 and the front housing 4 are coaxially disposed, an insulator 6 is disposed between the pin 1 and the front housing 4, a positioning protrusion 41 is disposed on an inner wall of the front housing 4, the insulator 6 is clamped to the inner wall of the front housing 4, one end of the insulator 6 abuts against the positioning protrusion 41, a first groove 42 and a first clamp spring groove 43 are disposed on an outer side of one end of the front housing 4, a first O-ring 10 is embedded in the first groove 42, a threaded sleeve 3 is sleeved on an outer side of the front housing 4, a receiving groove 31 for receiving the first O-ring 10 and a second clamp spring groove 32 adapted to the first clamp spring groove 43 are disposed inside the threaded sleeve 3, a clamp spring 7 is disposed between the first clamp spring groove 43 and the second clamp spring groove 32, the screw sleeve 3 is connected with the front shell 4 through the clamp spring 7, a positioning convex ring 44 is arranged on the outer surface of the front shell 4, a second groove 45 is formed in one side of the positioning convex ring 44, a second O-shaped ring 8 is embedded in the second groove 45, and a matching inclined plane 46 is arranged at the other end of the front shell 4; the rear shell 5 is hollow, a containing cavity 51 for containing the front shell 4 is formed in one side of the rear shell 5, a first positioning step 52 and a second positioning step 53 are formed in the inner wall of the rear shell 5, the double-peak cable clamp 2 is clamped on the second positioning step 53, a clamping jaw 21 is arranged at one end of the double-peak cable clamp 2, an agnail 22 is arranged on the clamping jaw 21, a fixing inclined surface 23 matched with the matching inclined surface 46 is arranged at the front end of the clamping jaw 21, a third O-shaped ring 9 is arranged at the tail end of the double-peak cable clamp 2, the third O-shaped ring 9 is located inside the rear shell 5, and an expansion groove 54 is further formed in the inner wall of the rear shell 5; when the front shell 4 is inserted into the rear shell 5, the fixing inclined surface 23 is matched with the matching inclined surface 46, so that the double-peak cable clamp 2 is stable, and the barb 22 can further improve the connection strength, so that the double-peak cable clamp 2 is further stable and is not easy to vibrate and fall off; in addition, because the expansion groove 54 is formed in the rear shell 5, when the feeder is inserted into the rear shell 5, the double-peak cable clamp 2 can expand due to extrusion force generated when the feeder is inserted, so that the feeder can be conveniently inserted, the feeder can be better clamped, a riveting pipe is omitted, the production cost is reduced, and the installation efficiency is improved.

As a technical optimization scheme, preceding shell 4 through the forced internal clamping mode connect the chamber 51 that holds of back shell 5, preceding shell 4 and back shell 5 pass through interference fit fixed connection, simultaneously, the location bulge loop 44 of shell 4 before the 5 butts of back shell, the shell inserts 4 the connected mode of back shell 5 before the realization, can suitably increase the thickness of back shell under the condition that satisfies that the whole volume of device can not be too big and back casing inner space can not be too little for the fastness of device increases.

As a technical optimization scheme of the utility model, the surface of swivel nut 3 be provided with spanner clamping face 33, the staff of being convenient for rotates swivel nut 3 through the spanner and realizes being connected of swivel nut 3 and preceding shell 4.

As a technical optimization scheme of the utility model, preceding shell 4 and rear shell 5's surface all be smooth cylindric, need not to carry out the setting of spanner clamping face to simplify production technology, reduced manufacturing cost, reduced the work load of staff at the installation simultaneously, improved work efficiency.

When the utility model is used, firstly, the interior of the front shell 4 is clamped with the insulator 6, the insulator 6 is abutted with the positioning protrusion 41, then the contact pin 1 is installed on the insulator 6, the first O-shaped ring 10 is embedded in the first groove 42 of the front shell 4, the first snap spring groove 43 of the front shell 4 is sleeved with the snap spring 7, then the screw sleeve 3 is sleeved on the front shell 4, a worker rotates the screw sleeve 3 through the matching action of the wrench and the wrench clamping surface 33 on the surface of the screw sleeve 3, so that the screw sleeve 3 is displaced, at the moment, the second snap spring groove 32 of the screw sleeve 3 is moved to the corresponding position of the snap spring 7, and the connection of the snap spring 7 to the screw sleeve 3 and the front shell 4 is realized; then a second O-shaped ring 8 is embedded in the second groove 43 of the front shell 4; mounting the double-peak cable clamp 2 in the rear shell 5, fixing the double-peak cable clamp 2 through a first positioning step 52 and a second positioning step 53, and then inserting a third O-shaped ring 9 into the other end of the rear shell 5; the worker partially inserts the front shell 4 into the accommodating cavity 51 of the rear shell 5 in a pressing mode to realize the primary fixation of the front shell 4 and the rear shell 5;

when the device is used, the front shell 4 is connected with the accommodating cavity 51 of the rear shell 5 in a forced-compression inner-clamping mode, the front shell 4 and the rear shell 5 are fixedly connected in an interference fit mode, meanwhile, the rear shell 5 is abutted against the positioning convex ring 44 of the front shell 4, the connection mode that the front shell is inserted into the rear shell 5 by 4 is realized, the thickness of the rear shell can be properly increased under the condition that the integral volume of the device cannot be too large and the inner space of the rear shell cannot be too small, so that the firmness of the device is increased, at the moment, the fixing inclined plane 23 of the double-peak cable clamp 2 is matched with the matching inclined plane 46 of the front shell 4, the double-peak cable clamp 2 is stable, and the barb 22 of the double-peak cable clamp 2 can further improve the connection strength, so that the double-peak cable clamp 2 is further stable and is not easy to vibrate; then with feeder in the back shell 5 of inserting, bimodal cable clamp 2 can produce the expansion because of the extrusion force that the feeder produced when inserting to the insertion of feeder of being convenient for, also can be better with the feeder clip, saved this part of riveting pipe, reduced manufacturing cost, improved the installation effectiveness.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an improve public first feeder connector of cable clamp structure, a serial communication port, including contact pin (1), preceding shell (4) and back shell (5), preceding shell (4) inside cavity, contact pin (1) and preceding shell (4) coaxial setting are provided with insulator (6) between contact pin (1) and preceding shell (4), be provided with location arch (41) on the inner wall of preceding shell (4), the inner wall of shell (4) before insulator (6) joint, the protruding (41) of one end butt location of insulator (6), preceding shell (4) one end outside is provided with first recess (42) and first jump ring recess (43), it has first O type circle (10) to inlay in first recess (42), and the outside cover of preceding shell (4) has swivel nut (3), the inside of swivel nut (3) is provided with second recess jump ring (31) and the looks adaptation of first jump ring (43) that are used for holding first O type circle (10), (43) jump ring 32) A clamp spring (7) is arranged between the first clamp spring groove (43) and the second clamp spring groove (32), the threaded sleeve (3) is connected with the front shell (4) through the clamp spring (7), a positioning convex ring (44) is arranged on the outer surface of the front shell (4), a second groove (45) is arranged on one side of the positioning convex ring (44), a second O-shaped ring (8) is embedded in the second groove (45), and a matching inclined plane (46) is arranged at the other end of the front shell (4); the inside cavity of back shell (5), one side of back shell (5) is provided with and is used for holding chamber (51) that holds of preceding shell (4), is provided with first location step (52) and second location step (53) on the inner wall of back shell (5), the joint has bimodal cable clamp (2) on second location step (53), the one end of bimodal cable clamp (2) is provided with clamping jaw (21), is provided with barb (22) on clamping jaw (21), the front end of clamping jaw (21) is provided with fixed inclined plane (23) with cooperation inclined plane (46) looks adaptation, and the tail end of bimodal cable clamp (2) is provided with third O type circle (9), and third O type circle (9) are located the inside of back shell (5), still be provided with expansion groove (54) on the inner wall of back shell (5).

2. The male feeder connector for improving the structure of the cable clamp according to claim 1, wherein: preceding shell (4) hold chamber (51) of shell (5) after connecting through the internal card mode of forced draft, preceding shell (4) and back shell (5) pass through interference fit fixed connection.

3. The male feeder connector for improving the structure of the cable clamp according to claim 1, wherein: the outer surface of the thread insert (3) is provided with a wrench clamping surface (33).

4. The male feeder connector for improving the structure of the cable clamp according to claim 1, wherein: the surfaces of the front shell (4) and the rear shell (5) are both smooth cylindrical.