阅读说明：本技术 一种集成化小型高压连接器 (Integrated small-sized high-voltage connector ) 是由 张培 *** 于 2019-11-25 设计创作，主要内容包括：本发明有关于一种集成化小型高压连接器,包括壳体部件、封线体、屏蔽压紧圈和尾盖,所述壳体部件内设有多个用于装配可取卸且可适配不同线径导线的端子的安装孔和用于与不同线径导线配合的封线体或密封堵塞的安装孔；每根与端子尾部压接的导线均由安装孔尾部伸入且通过其外周面上套设的各自独立的封线体实现与安装孔之间的径向密封；所述尾盖装配在壳体部件尾部且其封盖壳体部件尾部端面的面上设有与各端子安装孔对应的供导线穿过的外侧设有用于对装配后导线的偏摆进行限位的环状限位部的孔。本发明集成化小型高压连接器可以实现多种产品的集成,所集成的产品可以包含不同线径,屏蔽、非屏蔽,不同电流规格等；也可以采用不满装的方式使产品用于三相充电,不使用的孔位采用密封堵头零件进行封装,避免该孔位漏水。(The invention relates to an integrated small-sized high-voltage connector, which comprises a shell component, a wire sealing body, a shielding pressing ring and a tail cover, wherein a plurality of mounting holes for assembling terminals which can be taken out and disassembled and can be matched with wires with different wire diameters and mounting holes for matching the wire sealing body or sealing and blocking the wires with different wire diameters are formed in the shell component; each lead which is in pressure joint with the tail part of the terminal extends into the tail part of the mounting hole and is radially sealed with the mounting hole through respective independent wire sealing bodies which are sleeved on the peripheral surface of the lead; the tail cover is assembled at the tail part of the shell component, and the surface of the tail end face of the shell component is covered with a hole, which is provided with an annular limiting part for limiting the deflection of the assembled wire and is arranged on the outer side, corresponding to each terminal mounting hole, through which the wire passes. The integrated small high-voltage connector can realize the integration of various products, and the integrated products can contain different wire diameters, shielding, non-shielding, different current specifications and the like; the product can be used for three-phase charging in a non-full-filling mode, and unused hole sites are packaged by sealing plug parts, so that water leakage of the hole sites is avoided.)

1. The utility model provides a small-size high voltage connector integrates, includes the housing part, seals the line body, shielding clamping ring and tail-hood, its characterized in that: a plurality of mounting holes for assembling terminals which can be taken out and disassembled and can be matched with wires with different wire diameters and mounting holes for sealing lines or sealing plugs matched with the wires with different wire diameters are formed in the shell component;

each lead which is in pressure joint with the tail part of the terminal extends into the tail part of the mounting hole and is radially sealed with the mounting hole through respective independent wire sealing bodies which are sleeved on the peripheral surface of the lead;

the tail cover is assembled at the tail part of the shell component, and the surface of the tail end face of the shell component is covered with a hole, which is provided with an annular limiting part for limiting the deflection of the assembled wire and is arranged on the outer side, corresponding to each terminal mounting hole, through which the wire passes.

2. The integrated small high-voltage connector as recited in claim 1, wherein: the annular limiting part is an anti-swing convex rib formed by extending the outer end face of the hole of the tail cover for the lead to pass through along the axial direction.

3. The integrated small high-voltage connector as recited in claim 1, wherein: the tail cover is sleeved on the tail of the shell component and is matched with the positioning table on the outer side of the shell component through the matching of the clamping table on the tail cover and the positioning table on the outer side of the shell component to realize the locking matching of the tail cover and the positioning table.

4. The integrated small high-voltage connector as recited in claim 1, wherein: wherein, the lead which is pressed at the tail part of all or part of the terminals is connected with a shielding pressing ring.

5. The integrated small high-voltage connector as recited in claim 1, wherein: the inner circumferential surface is axially provided with a plurality of layers of inner convex ribs which are distributed along the circumference and used for realizing the sealing with the conducting wire, and the outer circumferential surface is axially provided with a plurality of layers of outer convex ribs which are distributed along the circumference and used for realizing the sealing with the mounting hole.

6. The integrated small high-voltage connector as recited in claim 1, wherein: the sealing and blocking of the mounting hole are realized by a plurality of layers of plugs which are distributed along the axial direction on the peripheral surface and are matched and sealed with the inner wall of the mounting hole.

Technical Field

The invention relates to the technical field of connectors, in particular to an integrated small high-voltage connector.

Background

The electric automobile technology development is up to now, and cost and whole car lightweight requirement increase gradually, and whole car equipment is more and more miniaturized, reserves the space further compression of connector installation, and along with the increase of equipment integration degree, the connector also gradually adopts the mode development that integrates.

The connector is a connection unit between devices, and the higher integration degree means that the connector is more complicated to perform the wire harness processing. The wire harness processing mainly considers the sealing of products and the deflection prevention of wires, and a plurality of multi-core connectors adopt unified sealing elements to seal the products at present, so that the sealing performance of different cores can be influenced mutually, and the complexity of the products during wiring harness installation can be increased; in addition, the core number of the existing integrated connector is fixed, and a customer cannot select only the terminals required by the customer according to the use requirement and distribute the terminals at proper positions, namely, the existing integrated connector has no selectivity.

Disclosure of Invention

In order to solve the problems, the invention provides an integrated small-sized high-voltage connector, which is formed by independently assembling and sealing cables, each core acts independently and is independently assembled, multiple cores are not influenced mutually, and the connection with wires with different wire diameters and different functions can be realized through different tail crimping ends of assembled terminals, so that different use requirements are realized.

The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The invention provides an integrated small-sized high-voltage connector which comprises a shell component, a wire sealing body, a shielding pressing ring and a tail cover, wherein a plurality of mounting holes for assembling terminals which can be detached and can be matched with wires with different wire diameters and mounting holes for the wire sealing body matched with the wires with different wire diameters or sealing and blocking are formed in the shell component; each lead which is in pressure joint with the tail part of the terminal extends into the tail part of the mounting hole and is radially sealed with the mounting hole through respective independent wire sealing bodies which are sleeved on the peripheral surface of the lead; the tail cover is assembled at the tail part of the shell component, and the surface of the tail end face of the shell component is covered with a hole, which is provided with an annular limiting part for limiting the deflection of the assembled wire and is arranged on the outer side, corresponding to each terminal mounting hole, through which the wire passes.

The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.

In the integrated small-sized high-voltage connector, the annular limiting portion is an anti-swing convex rib formed by axially extending the outer end surface of the hole through which the lead passes through the tail cover.

In the integrated small high-voltage connector, the tail cover is sleeved at the tail of the shell component and is matched with the positioning table at the outer side of the shell component through the matching of the clamping table on the tail cover and the positioning table at the outer side of the shell component to realize locking matching of the clamping table and the positioning table.

In the integrated small high-voltage connector, the shielding pressing ring is connected to the wire crimped at all or part of the terminal tail.

In the integrated small-sized high-voltage connector, the inner circumferential surface is provided with a plurality of layers of inner convex ribs which are distributed along the circumference in the axial direction and used for realizing sealing with the lead, and the outer circumferential surface is provided with a plurality of layers of outer convex ribs which are distributed along the circumference in the axial direction and used for realizing sealing with the mounting hole.

In the integrated small-sized high-pressure connector, the sealing and blocking of the mounting hole are realized by the plugs which are axially distributed on the outer peripheral surface and are provided with a plurality of layers of sealing convex ribs which are distributed along the circumference and are matched and sealed with the inner wall of the mounting hole.

Compared with the prior art, the invention has obvious advantages and beneficial effects. By the technical scheme, the integrated small-sized high-voltage connector can achieve considerable technical progress and practicability, has wide industrial utilization value and at least has the following advantages:

the integrated small high-voltage connector can realize the integration of various products, and the integrated products can contain different wire diameters, shielding, non-shielding, different current specifications and the like; the product can be used for three-phase charging in a non-full-filling mode, and unused hole sites are packaged by sealing plug parts, so that water leakage of the hole sites is avoided.

The connector can be connected and independently assembled, the adopted sealing elements are independent bodies, each core acts independently and is assembled independently, the multiple cores are not influenced mutually, the problem of difficult assembly of the multi-core connector is effectively solved, meanwhile, the connector is integrated by the multiple cores, multifunctional distribution can be carried out according to actual requirements, different use scenes can be adapted, full loading or non-full loading can be carried out, or different wire diameters can be mixed, and the application range of the product is enlarged. The invention can replace part of components according to the requirements of customers so as to realize different use requirements without redesigning a new connector, and has the characteristics of simple structure and strong selectivity.

Drawings

FIG. 1 is a schematic structural diagram of an integrated small high-voltage connector according to the present invention;

FIG. 2 is a schematic structural diagram of a wire sealing body of the integrated small high-voltage connector according to the present invention;

FIG. 3 is a schematic view of the tail cap structure of the integrated small high-voltage connector according to the present invention;

FIG. 4 is a schematic diagram of the wire assembly process of the integrated miniature high voltage connector of the present invention;

FIG. 5 is a schematic view of an integrated miniature high voltage connector of the present invention after the wires are assembled;

FIG. 6 is a schematic view of the assembly process of the tail cap of the integrated small high-voltage connector according to the present invention;

FIG. 7 is a schematic view of the assembled tail cap of the integrated small high-voltage connector of the present invention;

FIG. 8 is a schematic structural view of the fully assembled integrated small high-voltage connector of the present invention;

fig. 9 is a schematic structural view of the sealing plug of the integrated small high-voltage connector of the present invention.

[ description of main element symbols ]

1: outer casing component

2: wire sealing body

3: conducting wire

4: inner convex rib

5: convex rib

6: tail cover

7: card table

8: anti-swing convex rib

9: sealing plug

10: sealing convex rib

12: mounting hole

13: positioning table

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the predetermined objects, the following detailed description of the integrated small-sized multi-core high-voltage connector, its structure, features and effects will be made with reference to the accompanying drawings and preferred embodiments.

Please refer to fig. 1-9, which are schematic structural diagrams of various parts of the integrated small high-voltage connector of the present invention, the connector includes a housing component 1 and a tail cover 6 assembled at the tail of the housing component 1, wherein the housing component 1 is provided with a plurality of mounting holes 12 for assembling terminals, the terminals in the mounting holes 12 have tail portions for implementing pressure connection with wires 3 with various wire diameter specifications, and the wires 3 extend into the mounting holes 12 and are radially sealed with the inner wall of the mounting holes through independent wire sealing bodies 2 sleeved on the outer peripheral surface of the wires. In the embodiment of the present invention, the aperture of the mounting hole 12 is not changed, and the wires with different diameters are matched with the wire sealing bodies with different sizes to realize the sealing between the wires and the housing component, that is, the wire with a small diameter is sealed by the wire sealing body with a smaller aperture and a thicker thickness, whereas the wire with a large diameter is sealed by the wire sealing body with a larger aperture and a thinner thickness. According to the invention, each lead and the mounting hole 12 are sealed through the independent wire sealing body, so that the position of the terminal can be adjusted according to the use requirement, and the terminal has strong applicability.

In the embodiment of the invention, a plurality of inner convex ribs 4 which are distributed along the circumference and used for realizing the sealing with the conducting wire are arranged on the inner circumferential surface of the wire sealing body 2 along the axial direction, and a plurality of outer convex ribs 5 which are distributed along the circumference and used for realizing the sealing with the terminal mounting holes of the shell component are arranged on the outer circumferential surface along the axial direction. Preferably, each of the outer ribs and the inner ribs is provided with 3 pieces, but the number is not limited thereto.

The invention is also provided with a plug 9 for plugging the tail end of the mounting hole 12 without assembling a terminal to realize the sealing, water proofing and dust proofing of the connector. The connector can be used for assembling terminals or partially assembling terminals in all the mounting holes according to the use requirement and plugging the jack without the terminals, so that the connector has larger use selection space and stronger applicability and meets the use requirement.

In the embodiment of the invention, a plurality of layers of sealing convex ribs 10 which are distributed along the circumference and matched with the inner wall of the mounting hole to realize sealing are distributed on the outer circumferential surface of the plug 9 along the axial direction. Preferably, the sealing rib has 3 layers, but is not limited thereto.

The tail cover 6 is fitted to the tail of the housing member 1 and has holes for the lead wires to pass through, corresponding to the respective terminal mounting holes 12, on the surface thereof covering the end face of the tail of the housing member. The tail cover 6 covers the tail end face of the shell component 1 in a sealing mode and tightly presses each wire sealing body 2 in the mounting hole 12, and the sealing effect of the wire sealing bodies is guaranteed. The tail cap 6 also has the effect of pressing the plug 9 into the mounting hole when the connector is not fully loaded. Preferably, the tail of the plug 9 protrudes out of the mounting hole and plugs a corresponding hole on the tail cover 6, so as to prevent external dust or liquid and the like from entering the connector from the tail cover.

In the embodiment of the present invention, the tail cover 6 is sleeved on the tail of the shell component 1 and the locking fit of the tail cover and the shell component is finally positioned on the outer shell component through the matching of the clamping table 7 on the tail cover and the positioning table 13 on the outer side of the shell component 1, but the invention is not limited to the above. One side of location platform 13 towards tail-hood 6 is equipped with the guide face, plays the guide effect when location platform and ka tai joint cooperation.

In the embodiment of the present invention, an annular limiting portion is further disposed outside the hole of the tail cover 6, through which the lead passes, and is sleeved on the lead to fix the assembled lead and limit the deflection of the lead, so as to ensure that the lead is sealed by the wire sealing body when the lead deflects. Preferably, the annular limiting portion is a swing-proof rib formed by extending the outer end surface of the hole of the tail cover 6 through which the wire passes along the axial direction, but is not limited thereto.

The invention can also realize the purpose of shielding completely or partially by connecting the lead provided with the shielding pressing ring at the tail part of the terminal.

The wire harness assembling process of the integrated small high-voltage connector comprises the following steps: 1) a single cable after the terminal is pressed and connected is arranged in the connector, and an independent wire sealing body is sleeved on the single cable; 2) the wire sealing body on the lead is arranged in the mounting hole of the outer shell component, and the wire sealing body is in interference fit with the lead, so that the wire sealing body has larger friction force when moving on the lead, and the single wire sealing body is more convenient to arrange; 3) all the leads and the wire sealing bodies are arranged in the outer shell component; 4) the tail cover is assembled on the outer shell component, and the positioning table on the outer shell component is matched with the clamping table on the tail cover to be locked so as to realize the axial positioning of the tail cover on the outer shell component.

In the above process of assembling the wire harness when the connector of the present invention is fully loaded, when the connector is not fully loaded, the mounting hole of the unassembled terminal is sealed by the plug whose tail part is plugged, and then the tail cover is assembled on the housing member.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.