阅读说明：本技术 一种密封性良好且易拔插的电连接装置 (Electric connection device with good sealing performance and easy pulling and inserting ) 是由 王定森 于 2020-08-24 设计创作，主要内容包括：本发明涉及一种密封性良好且易拔插的电连接装置,包括能够相互插接的第一连接组件和第二连接组件,第一连接组件具有插杆,第二连接组件具有插接孔道,插接孔道中移动装配有绝缘密封杆,插杆可插入插接孔道中,与插接孔道电连接。本发明通过将绝缘密封杆的后端部设置在与外界连通的环境中,实现了良好的母针内外的压力平衡,基于绝缘密封杆可移动密封的基础上,绝缘密封杆的后端部联动设置滑块,并设置耦接配合结构使滑块与第一连接组件形成联动关系,达到公母插拔出时的密封。另外,本发明还提供有快插模块、解锁结构和操纵机构,便于水下的手工插拔或ROV(水下机器人)拔插。(The invention relates to an electric connecting device with good sealing performance and easy plugging, which comprises a first connecting component and a second connecting component which can be plugged with each other, wherein the first connecting component is provided with an inserting rod, the second connecting component is provided with an inserting hole, an insulating sealing rod is movably assembled in the inserting hole, and the inserting rod can be inserted into the inserting hole and is electrically connected with the inserting hole. According to the invention, the rear end part of the insulating sealing rod is arranged in an environment communicated with the outside, so that good pressure balance inside and outside the female pin is realized, and on the basis of movable sealing of the insulating sealing rod, the rear end part of the insulating sealing rod is provided with the sliding block in a linkage manner, and the sliding block and the first connecting assembly form a linkage relationship by arranging the coupling matching structure, so that sealing when the male pin and the female pin are pulled out is realized. In addition, the invention also provides a quick plug module, an unlocking structure and an operating mechanism, which are convenient for manual underwater plugging or ROV (underwater robot) plugging.)

1. The utility model provides a good and easy electric connection device who pulls out and insert of leakproofness, including first coupling assembling and the second coupling assembling that can peg graft each other, first coupling assembling and second coupling assembling have at least a set of inserted bar that realizes the electricity connection respectively and with the pore that matches of outline, with the respective grafting end of first coupling assembling and second coupling assembling be respective front end, remove along the fore-and-aft direction in the pore and be equipped with insulating sealing rod, in inserting the pore with the inserted bar, and promote insulating sealing rod and slide backward along the pore, thereby the inserted bar realizes the electricity with the pore and is connected, its characterized in that: the duct of the second connecting component extends backwards from the front end of the duct and is respectively a first insulating sealing section, a first conductive connecting section and a second insulating sealing section, the length of the insulating sealing rod can simultaneously and hermetically match with the first insulating sealing section and the second insulating sealing section of the duct, the second connecting component forms a cavity communicated with the outside at the rear end of the second insulating sealing section, the rear end of the insulating sealing rod is positioned in the cavity,

the second connecting assembly further comprises a linear sliding mechanism, the linear sliding mechanism comprises a sliding block and a sliding rail, the sliding rail is located in the cavity, the rear end of the insulating sealing rod is connected to the sliding block in a linkage mode, the first connecting assembly and the sliding block are provided with a coupling matching mechanism, when the first connecting assembly and the second connecting assembly are mutually inserted, the first connecting assembly and the sliding block are enabled to establish coupling connection through the coupling matching mechanism, when the first connecting assembly and the second connecting assembly are pulled out, the first connecting assembly is enabled to synchronously drive the sliding block to linearly slide towards the front end through the coupling matching mechanism, and therefore the insulating sealing rod is driven to move and reset in the hole channel.

2. The easily removable and insertable electrical connection device with good sealing performance according to claim 1, wherein: the coupling matching mechanism is an elastic clamping mechanism consisting of an elastic clamping pin and a clamping groove.

3. The easily removable and insertable electrical connection device according to claim 2, wherein: the first connecting component is provided with an elastic bayonet lock, and the sliding block is provided with a clamping groove which can be in clamping fit with the elastic bayonet lock.

4. The easily removable and insertable electrical connection device according to claim 3, wherein: the elastic clamping pin is provided with a first inclined guide surface corresponding to the backward sliding direction, so that at the front end of the sliding rail, the elastic clamping pin slides into the clamping groove of the sliding block by virtue of the first inclined guide surface to establish the coupling connection between the first connecting component and the sliding block.

5. The easily removable and insertable electrical connection device according to claim 3, wherein: the second coupling assembling still includes the catch of separating that can slide the setting around, it extends around the position that corresponds the slider to separate the catch, a groove of stepping down for stepping down is seted up for the elastic clamping pin, it has the unblock slope that is used for removing elastic clamping pin and draw-in groove joint complex to step down the groove front end, the elastic clamping pin corresponds forward slip direction has with unblock slope matched with unblock inclined guide surface, when separating the catch and sliding backward, borrow by the coupling connection of unblock slope jack-up unblock inclined guide surface in order to remove first coupling assembling and slider, it is equipped with the elasticity reset element to separate the catch rear end, the elasticity reset element provides forward elastic restoring force for the catch of separating.

6. The easily removable and insertable electrical connection device according to claim 5, wherein: the unlocking slope comprises a first unlocking slope and a second unlocking slope which are staggered in the front-back direction; on the moving paths of the first unlocking slope and the second unlocking slope, the unlocking inclined guide surfaces of the elastic bayonet lock comprise a second inclined guide surface and a third inclined guide surface which correspond to the first unlocking slope and the second unlocking slope respectively; when the unlocking ring slides backwards, the first unlocking slope jacks up the second inclined guide surface to pre-unlock the elastic clamping pin, and the second unlocking slope jacks up the third inclined guide surface to completely unlock the elastic clamping pin.

7. The easily removable and insertable electrical connection device with good sealing performance according to claim 1, wherein: the first insulating sealing section and the second insulating sealing section are respectively provided with at least one convex ring which is protruded inwards in the radial direction of the pore passage and is used for forming radial interference sealing with the insulating sealing rod or the inserted rod, and the convex rings and the first insulating sealing section or the second insulating sealing section are integrally formed and are made of elastomer materials; the insulating sealing rod is a rod-shaped piece encapsulated by an elastomer material.

8. The easily removable and insertable electrical connection device with good sealing performance according to claim 7, wherein: the inserted bar extends backward from the front end of the inserted bar and is provided with a second conductive connecting section and a third insulating sealing section wrapped by elastomer materials, when the first connecting assembly and the second connecting assembly are spliced, the inserted bar pushes the insulating sealing bar to slide backward along the pore channel, the first conductive connecting section of the inserted bar is in contact with the second conductive connecting section to realize electric connection, and the third insulating sealing section of the inserted bar replaces the insulating sealing bar to be sealed with a convex ring on the first insulating sealing section.

9. The easily removable and insertable electrical connection device with good sealing performance according to claim 1, wherein: the end face shape of the front end of the inserted rod is matched with the end face shape of the front end of the insulating sealing rod.

10. The easily removable and insertable electrical connection device with good sealing performance according to claim 1, wherein: the second coupling assembling includes the second casing to and the fixed installation body that sets up in the second casing, the installation body is made by the elastomer material, the pore sets up the front end at the installation body, the installation body has semi-open cell type space of stepping down in the rear end in pore, corresponds the space of stepping down and has the spout that the stroke was injectd on the second casing, slider slidable ground sets up in the spout to restrict out the slip stroke by the spout, space and spout of stepping down form the cavity.

11. The easily removable and insertable electric connection device with excellent sealing performance according to claim 10, wherein: the outer surface of the mounting body corresponds to the elastic sheet which is flaky and is warped at the rear end by extending approximately front and rear of the position fixedly connected with of the second conductive connecting section in the front and rear direction, a pressing piece is arranged on the first connecting assembly, when the first connecting assembly and the second connecting assembly are spliced together, the pressing piece can be in conflict fit with the elastic sheet, and one end of the elastic sheet is pushed and supported approximately towards the radial inward direction of the pore channel.

12. The easily removable and insertable electric connection device with excellent sealing performance according to claim 10, wherein: the second connecting component also comprises an unlocking ring which can be sleeved on the second shell in a front-back sliding mode, and an operating mechanism which is in linkage connection with the unlocking ring, wherein the operating mechanism is provided with a force application part which is easy to apply force.

Technical Field

The invention relates to an electric connection device, in particular to an underwater connector which has excellent sealing performance, good pressure balance and easy pulling and inserting.

Background

The underwater connector is usually applied to special environments such as deep water and the like, and the underwater connector with the underwater plugging and unplugging function must ensure that the male and female plug contacts of the connector are sealed and isolated from external media in the plugging and unplugging processes so as to avoid short circuit. One conventional sealing scheme is that a sealing rod is arranged in a female needle, and a male needle pushes the sealing rod to move, so that the sealing rod is gradually inserted into the female needle without gaps until the sealing rod is contacted with a contact point of the female needle; in the conventional technology, a cavity in which a female needle is located is usually closed, and in the deep water high water pressure environment, if the internal pressure and the external pressure are unbalanced when the closed female needle end and the closed male needle end are plugged and unplugged, the plugging and unplugging are very difficult, so that an oil bag can be arranged in the conventional technology to ensure the pressure balance, but the oil bag is extremely high in cost and is not suitable for large-scale popularization and application, and the problem of poor sealing performance generally exists in various connectors on the market.

Disclosure of Invention

Therefore, in order to solve the above problems, the present invention provides an electrical connection device with good sealing performance and easy plugging and unplugging.

The invention is realized by adopting the following technical scheme:

the invention provides an electric connecting device, which comprises a first connecting component and a second connecting component which can be mutually inserted, wherein the first connecting component and the second connecting component are respectively provided with at least one group of insertion rods for realizing electric connection and a pore canal matched with the shape, the respective insertion ends of the first connecting component and the second connecting component are respectively taken as the front ends of the first connecting component and the second connecting component, an insulating sealing rod is movably assembled in the pore canal along the front-back direction, the insertion rods are inserted into the pore canal, and the insulating sealing rod is pushed to slide backwards along the pore canal, so that the insertion rods and the pore canal realize electric connection, and the electric connecting device is characterized in that: the duct of the second connecting component extends backwards from the front end of the duct and is respectively a first insulating sealing section, a first conductive connecting section and a second insulating sealing section, the length of the insulating sealing rod can simultaneously and hermetically match with the first insulating sealing section and the second insulating sealing section of the duct, the second connecting component forms a cavity communicated with the outside at the rear end of the second insulating sealing section, the rear end of the insulating sealing rod is positioned in the cavity,

the second connecting assembly further comprises a linear sliding mechanism, the linear sliding mechanism comprises a sliding block and a sliding rail, the sliding rail is located in the cavity, the rear end of the insulating sealing rod is connected to the sliding block in a linkage mode, the first connecting assembly and the sliding block are provided with a coupling matching mechanism, when the first connecting assembly and the second connecting assembly are mutually inserted, the first connecting assembly and the sliding block are enabled to establish coupling connection through the coupling matching mechanism, when the first connecting assembly and the second connecting assembly are pulled out, the first connecting assembly is enabled to synchronously drive the sliding block to linearly slide towards the front end through the coupling matching mechanism, and therefore the insulating sealing rod is driven to move and reset in the hole channel.

In order to ensure reliability, in one embodiment, the coupling and matching mechanism is an elastic clamping mechanism consisting of an elastic clamping pin and a clamping groove.

Based on manufacturing and installation considerations, in one embodiment, the first connecting assembly is provided with an elastic clamping pin, and the sliding block is provided with a clamping groove capable of being in clamping fit with the elastic clamping pin.

In one embodiment, the resilient latch has a first inclined guide surface corresponding to the backward sliding direction, so that at the front end of the slide rail, the resilient latch slides into the slot of the slide block via the first inclined guide surface to establish the coupling connection between the first connecting element and the slide block.

In order to realize the quick unlocking function, in one embodiment, the second connecting assembly further comprises an unlocking ring which can be arranged in a front-back sliding mode, the unlocking ring is provided with a yielding groove which extends forwards and backwards and is used for yielding the elastic clamping pin, the front end of the yielding groove is provided with an unlocking slope used for relieving the clamping and matching of the elastic clamping pin and the clamping groove, the elastic clamping pin is provided with an unlocking inclined guide surface matched with the unlocking slope in the corresponding forward sliding direction, when the unlocking ring slides backwards, the unlocking inclined guide surface is jacked up by the unlocking slope to relieve the coupling connection of the first connecting assembly and the sliding block, the rear end of the unlocking ring is provided with an elastic reset element, and the elastic reset element provides forward elastic restoring force for the unlocking ring.

Wherein, to ensure the stability of unlocking, in one embodiment, the unlocking ramp includes a first unlocking ramp and a second unlocking ramp which are staggered in the front-rear direction; on the moving paths of the first unlocking slope and the second unlocking slope, the unlocking inclined guide surfaces of the elastic bayonet lock comprise a second inclined guide surface and a third inclined guide surface which correspond to the first unlocking slope and the second unlocking slope respectively; when the unlocking ring slides backwards, the first unlocking slope jacks up the second inclined guide surface to pre-unlock the elastic clamping pin, and the second unlocking slope jacks up the third inclined guide surface to completely unlock the elastic clamping pin.

In order to improve the sealing performance, in one embodiment, at least one protruding ring protruding radially inward toward the hole is provided in each of the first insulating sealing section and the second insulating sealing section, and the protruding ring and the first insulating sealing section or the second insulating sealing section are integrally formed and made of an elastomer material, and is used for forming radial interference sealing with the insulating sealing rod or the insertion rod.

In order to improve the sealing performance, in one embodiment, the insulating sealing rod is a rod-shaped member encapsulated by an elastomer material.

In order to improve the sealing performance, in one embodiment, the insertion rod extends backward from the front end thereof to form a second conductive connection section and a third insulating sealing section wrapped with an elastomer material, when the first connection assembly and the second connection assembly are plugged, the insertion rod pushes the insulating sealing rod to slide backward along the duct, the first conductive connection section and the second conductive connection section are in contact to realize electric connection, and the third insulating sealing section replaces the insulating sealing rod to be sealed with the convex ring on the first insulating sealing section.

In order to improve the sealing performance, in one embodiment, the end face shape of the front end of the insertion rod is matched with the end face shape of the front end of the insulating sealing rod.

Based on installation and manufacturing considerations, in one embodiment, the second connecting assembly includes a second housing and an installation body fixedly disposed in the second housing, the installation body is made of an elastic body material, the duct is disposed at a front end of the installation body, the installation body has a semi-open groove-shaped abdicating space at a rear end of the duct, a sliding groove with a limited stroke is disposed on the second housing corresponding to the abdicating space, the sliding block is slidably disposed in the sliding groove and limited by the sliding groove, and the abdicating space and the sliding groove form the chamber.

In order to enhance the good contact between the hole and the insertion rod, in one embodiment, a mounting gap is formed between the front end of the mounting body and the second shell, the mounting gap approximately corresponds to the front-rear direction of the second conductive connecting section, the surface of the mounting body is fixedly connected with an elastic sheet which approximately extends forwards and backwards to form a sheet shape and is tilted at the rear end, a pressing piece is arranged on the first connecting assembly, when the first connecting assembly and the second connecting assembly are spliced together, the pressing piece can be inserted into the mounting gap, and one tilted end of the elastic sheet is approximately pushed and abutted towards the radial inward direction of the hole.

In order to facilitate the operation of the unlocking ring and the plugging operation, in one embodiment, the second connecting component further comprises an unlocking ring which is sleeved on the second shell in a sliding mode back and forth, and further comprises an operating mechanism which is in linkage connection with the unlocking ring, and the operating mechanism is provided with a force application part which is easy to apply force.

The invention has the following beneficial effects: according to the invention, the rear end part of the insulating sealing rod is arranged in an environment communicated with the outside, so that good pressure balance inside and outside the female needle is realized, and on the basis of movable sealing of the insulating sealing rod, the rear end part of the insulating sealing rod is provided with the sliding block in a linkage manner, and the sliding block and the female plug form a linkage relationship by arranging the coupling matching structure, so that sealing when the male plug and the female plug are pulled out is realized. In addition, the invention also provides a quick plug module, an unlocking structure and an operating mechanism, which are convenient for manual underwater plugging or ROV (underwater robot) plugging.

Drawings

Fig. 1 is a perspective view of a connector in embodiment 1;

fig. 2 is a schematic view (top view, angle one) of the connector of example 1;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a schematic view showing the assembly of the female pin, the insulating seal rod and the slider in embodiment 1;

FIG. 5 is a schematic view of a female needle in example 1;

FIG. 6 is a schematic view of an insulating seal rod in example 1;

FIG. 7 is a schematic view showing the arrangement position of a projected ring in embodiment 1;

FIG. 8 is a schematic view of the plugging duct in example 1;

FIG. 9 is a schematic view (angle one) of a slider in embodiment 1;

FIG. 10 is a schematic view (angle two) of the slider in embodiment 1;

FIG. 11 is (a) a perspective view of the male connector in example 1;

FIG. 12 is a schematic view of a male housing according to embodiment 1;

FIG. 13 is a schematic view of a packing body in example 1;

FIG. 14 is a schematic view of an unlocking ring in embodiment 1;

FIG. 15 is a schematic view (angle one) of the cartridge in embodiment 1;

FIG. 16 is a schematic view (angle two) of the cartridge in embodiment 1;

FIG. 17 is a schematic view showing the male needle in the initial position of insertion (or critical position of withdrawal) in example 1;

FIG. 18 is a schematic view of the male pin of example 1 in the inserted position;

FIG. 19 is a schematic view of the metal part and the plastic part of the male pin in embodiment 1;

FIG. 20 is a schematic view of a clip according to embodiment 1;

fig. 21 is a schematic view (top view, angle two) of the connector of example 1;

FIG. 22 is a cross-sectional view taken at B-B of FIG. 21;

FIG. 23 is a perspective view of the male connector in example 1 (second embodiment);

FIG. 24 is a sectional view of the male connector in embodiment 1 (showing an assembled position of the operating mechanism);

FIG. 25 is a schematic view showing a snap-fit assembly of the manipulation ring and the unlocking ring in accordance with embodiment 1;

FIG. 26 is a schematic view of a slider in embodiment 2;

fig. 27 is a schematic sectional view of the connector in embodiment 2;

FIG. 28 is a schematic view of another alternative steering ring configuration.

Detailed Description

To further illustrate the various embodiments, the invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The invention will now be further described with reference to the accompanying drawings and detailed description.