CN218586417U - High-pressure cylinder penetrating connector suitable for small wire diameter - Google Patents

Abstract

The utility model relates to a high-pressure cylinder connector suitable for small wire diameter, which is used for connecting a cable with a cylinder body and comprises an annular terminal, an outer shielding ring, an inner shielding ring, a shell, a screw mounting bush, an end face sealing ring, a shielding terminal, a cable sealing ring, a cable clamp and a cable; when the cable is connected, the cable is connected with the cable clamp, sequentially penetrates through the cable sealing ring, the shell assembly, the inner shielding ring and the outer shielding ring and then is connected with the annular terminal; the shielding terminal is fixed on the shell by adopting an agnail buckle and is provided with a plurality of convex hull contacts and elastic arm contacts, so that the reliable contact between the shielding terminal and a cylinder body mounting interface can be ensured, and the contact resistance is reduced; the inner shielding ring and the outer shielding ring are fixed and connected in a crimping mode, the crimping mode adopts polygonal profiling crimping and is fixed on a shell with the same polygonal characteristic on the inner cavity, and the rotation of a cable is prevented. Compared with the prior art, the utility model has the advantages of simple to operate, connect reliable and stable and contact resistance is less.

Description

High-pressure cylinder penetrating connector suitable for small wire diameter

Technical Field

The utility model relates to a wear jar connector device, especially relate to a jar connector is worn to high pressure suitable for small-diameter line.

Background

For the existing high-pressure small-wire-diameter through-cylinder connector solutions, the existing shielding solutions implement shielding of the electrical connector by directly welding or soldering the braid to the shield, or by directly crimping the braid to the connector housing, which are not strong enough to withstand the shock and temperature variations in the automotive application field.

In addition, most of the prior art schemes are suitable for cylinder-penetrating connectors of large-wire-diameter cables, and the connection between the shielding cable and the shielding object has too high resistance; meanwhile, the cable is not good in fixation, and the wire harness is easy to twist.

Disclosure of Invention

The utility model aims at providing a cylinder connector is worn to high pressure suitable for little line footpath in order to overcome the defect that above-mentioned prior art exists.

The purpose of the utility model can be realized by the following technical proposal:

a high-voltage cylinder penetrating connector suitable for small wire diameters comprises an annular terminal, an outer shielding ring, an inner shielding ring, a shell assembly, a cable sealing ring, a wire clamp and a cable; the shell assembly comprises a shell, and a screw mounting bushing, an end face sealing ring and a shielding terminal are sequentially connected behind the shell;

the cable is connected with the wire clamp, sequentially penetrates through the cable sealing ring, the shell assembly, the inner shielding ring and the outer shielding ring and then is connected with the annular terminal; wherein the cable sealing ring realizes sealed function, and the fastener plays the effect of protection cable sealing ring and fixed cable.

The shielding terminal is provided with a plurality of shielding contacts, and the shielding contacts can ensure reliable contact between the shielding terminal and a cylinder body mounting interface and reduce contact resistance;

and a plurality of convex hull contacts are arranged on the outer shielding ring.

Furthermore, the outer diameter of the inner shielding ring is smaller than the inner diameter of the outer shielding ring, a shielding mesh grid is arranged between the inner shielding ring and the outer shielding ring, and the inner shielding ring and the outer shielding ring are connected in a compression joint mode; the mode is used for connecting stably and tightly, and complex working environments such as automobile vibration can be overcome.

Furthermore, the crimping mode of the inner shielding ring and the outer shielding ring is polygonal profiling crimping.

Furthermore, the inner cavity of the shell is of a polygonal structure with the same crimping shape as the inner shielding ring and the outer shielding ring.

Furthermore, interior shield ring be connected the back with outer shield ring, fix on the casing that interior cavity is polygonized structure, polygonized structure can effectively prevent that the cable from rotating.

Further, shielding terminal formula design as an organic whole to through barb buckle and casing interference fit, stable in structure is reliable.

Further, the shield contacts on the shield terminals include a convex hull contact and a spring arm contact.

Furthermore, the convex hull contacts on the outer shielding ring comprise a front convex hull contact and a back convex hull contact which are uniformly distributed on the end surface of one side of the outer shielding ring; through the design of positive and negative convex closure contact, guarantee abundant contact, promote the reliability of contact.

Furthermore, the shielding terminal is in axial contact with a reverse convex hull contact on the outer shielding ring, and the front convex hull contact is in axial contact with a cylinder body mounting surface, so that shielding contact is fully guaranteed.

Furthermore, the shell assembly is of a three-way design and can be expanded into one way or two ways according to specific requirements.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the integral structure of shielding terminal formula design as an organic whole fixes on the casing through the barb structure, and contains a plurality of elastic arm contacts and convex closure contact on the shielding terminal outward flange, connects outer shield ring and cylinder body installation face simultaneously, and the shielding connection is reliable, and the shielding effect is better, and connecting resistance is little.

2. The outer shielding ring comprises a plurality of convex hull contacts, the contacts are bidirectional, and the outer shielding ring can be connected with the shielding terminal and the cylinder body simultaneously, namely, the front convex hull contact is directly contacted with the installation surface of the cylinder body, the back convex hull contact is contacted with the shielding terminal, full contact is ensured, the shielding connection is stable and reliable, and the anti-seismic performance is outstanding.

3. The inner shielding ring and the outer shielding ring are fixedly connected in a crimping mode and the like, the structure is stable, and the connecting resistance is small.

4. The inner shielding ring and the outer shielding ring are polygonal in press-contact surfaces and matched with polygons designed on the inner cavity of the shell, so that the cable can be prevented from rotating after installation, and the adjustability and the stability are good.

5. The utility model relates to a wear jar connector can compatible 6 squares and following small line footpath's three routes and wear jar spare, can expand to all the way, two tunnel etc. according to different demands simultaneously, have multiple design, and flexibility and practicality are stronger.

6. The utility model relates to a wear jar connector simple to operate, product cost is lower simultaneously, has fine economic benefits.

Drawings

Fig. 1 is an exploded view of the components of the through cylinder connector of the present invention;

fig. 2 is a schematic structural view of a shield terminal;

FIG. 3 is a schematic structural view of an outer shield ring;

fig. 4 is the assembly schematic diagram of each component of the middle through cylinder connector of the present invention.

The corresponding relation between the reference numbers and the parts is as follows: 1-elastic arm contact, 2-convex hull contact, 3-positive convex hull contact, 4-negative convex hull contact, 101-annular terminal, 102-inner shielding ring, 103-end sealing ring, 104-shell, 105-wire clamp, 106-cable, 107-cable sealing ring, 108-screw mounting bush, 109-shielding terminal, 110-outer shielding ring.

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 some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in fig. 1, a high-voltage cylinder-penetrating connector suitable for small wire diameter includes an annular terminal 101, an outer shielding ring 110, an inner shielding ring 102, a housing assembly, a cable sealing ring 107, a wire clamp 105 and a cable 106; the shell assembly comprises a shell 104, and screw mounting bushings 108 are connected with the shell 104, mounted at corresponding positions of four corners of the shell 104 and sequentially connected with an end face sealing ring 103 and a shielding terminal 109;

the cable 106 is connected with the wire clamp 105, sequentially passes through the cable sealing ring 107, the shell assembly, the inner shielding ring 102 and the outer shielding ring 110 and then is connected with the annular terminal 101; wherein cable sealing ring 107 realizes sealed function, fastener 105 plays the effect of protection cable sealing ring 107 and fixed cable 106.

In this embodiment, the outer diameter of the inner shielding ring 102 is smaller than the inner diameter of the outer shielding ring 110, a shielding mesh grid is arranged between the inner shielding ring 102 and the outer shielding ring 110, and the inner shielding ring 102 and the outer shielding ring 110 are connected by crimping; the mode is used for connecting stably and tightly, and complex working environments such as automobile vibration can be overcome.

In the present embodiment, the inner shield ring 102 and the outer shield ring 110 are crimped by hexagonal profiling.

In this embodiment, the inner cavity of the housing 104 is a pseudo-hexagonal structure, and the inner shielding ring 102 is fixed to the housing 104 having the pseudo-hexagonal structure after being connected to the outer shielding ring 110, so that the polygonal structure can effectively prevent the cable 106 from rotating, and the crimping shape can be changed according to specific requirements for other embodiments.

As shown in fig. 2, the shielding terminal 109 is provided with a plurality of shielding contacts, including convex hull contacts and elastic arm contacts, the shielding contacts are distributed on the outer ring edge of the shielding terminal 109, and the shielding contacts can ensure reliable contact between the shielding terminal 109 and the cylinder body mounting interface, so as to reduce contact resistance; meanwhile, the shielding terminal 109 is designed in an integrated manner, and is in interference fit with the shell 104 through the barb buckle, so that the structure is stable and reliable.

In this embodiment, a total of 8 elastic arm contacts and 16 convex hull contacts are disposed on the shielding terminal 109, and the number of the shielding contacts may be changed according to specific requirements for other embodiments.

As shown in fig. 3, the outer shielding ring 110 includes a plurality of convex hull contacts, including a front convex hull contact and a back convex hull contact, and the convex hull contacts are uniformly distributed on a single side end surface of the outer shielding ring 110; through the design of positive and negative convex hull contact, guarantee abundant contact, promote the reliability of contact.

The shield terminal 109 is in axial contact with the reverse side convex hull contact on the outer shield ring 110, and the front side convex hull contact is in axial contact with the cylinder body mounting surface, so that the shield contact is fully ensured.

In this embodiment, 4 front convex hull contacts and 4 back convex hull contacts are arranged on the outer shielding ring 110, and the front convex hull contacts and the back convex hull contacts are alternately arranged, and for other embodiments, the number of the convex hull contacts can be changed according to specific requirements.

In this embodiment, the housing assembly is a three-way design, and for other embodiments, the housing assembly may be expanded into one or two ways according to specific requirements.

As shown in fig. 4, it is the cylinder penetrating connector assembly diagram of the present invention, which can be used to connect the cylinder body and the cable, and can bear the vibration and temperature variation in the application field of automobiles.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The high-voltage cylinder penetrating connector suitable for the small wire diameter is characterized by comprising an annular terminal (101), an outer shielding ring (110), an inner shielding ring (102), a shell assembly, a cable sealing ring (107), a wire clamp (105) and a cable (106); the shell assembly comprises a shell (104), and a screw mounting bushing (108), an end face sealing ring (103) and a shielding terminal (109) are sequentially connected behind the shell (104);

the cable (106) is connected with the wire clamp (105), sequentially penetrates through the cable sealing ring (107), the shell assembly, the inner shielding ring (102) and the outer shielding ring (110) and then is connected with the annular terminal (101);

a plurality of shielding contacts are arranged on the shielding terminal (109);

the outer shielding ring (110) is provided with a plurality of convex hull contacts.

2. The high-voltage cylinder penetrating connector suitable for the small-wire-diameter structure as claimed in claim 1, wherein the outer diameter of the inner shielding ring (102) is smaller than the inner diameter of the outer shielding ring (110), a shielding braided net is arranged between the inner shielding ring (102) and the outer shielding ring (110), and the inner shielding ring (102) and the outer shielding ring (110) are connected in a crimping mode.

3. The high-voltage through-cylinder connector suitable for the small-wire-diameter connector is characterized in that the inner shielding ring (102) and the outer shielding ring (110) are in a polygonal profiling crimping mode.

4. The high-voltage through-cylinder connector suitable for the small-wire-diameter connector is characterized in that the inner cavity of the shell (104) is of a polygonal structure with the same crimping shape as that of the inner shielding ring (102) and the outer shielding ring (110).

5. The high-voltage cylinder penetrating connector suitable for the small-wire diameter is characterized in that the inner shielding ring (102) is connected with the outer shielding ring (110) and then fixed on the shell (104) with the inner cavity of a polygonal structure.

6. The high-voltage cylinder through connector suitable for the small-wire diameter is characterized in that the shielding terminal (109) is designed in a one-piece mode and is in interference fit with the shell (104) through a barbed buckle.

7. The small wire diameter high voltage through cylinder connector of claim 1, wherein the shield contacts on the shield terminal (109) comprise a convex hull contact and a spring arm contact.

8. The high-voltage through-cylinder connector suitable for the small-wire-diameter connector is characterized in that the convex hull contacts on the outer shielding ring (110) comprise front convex hull contacts and back convex hull contacts, and the convex hull contacts are uniformly distributed on a single-side end face of the outer shielding ring (110).

9. The high-voltage through-cylinder connector suitable for the small-wire-diameter structure as claimed in claim 1, wherein the shielding terminal (109) axially contacts with a reverse convex hull contact on the outer shielding ring (110), and the front convex hull contact axially contacts with a cylinder body mounting surface.

10. A small wire diameter high pressure cylinder penetration connector as defined in claim 1, wherein said housing assembly is of three-way design.

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