CN219554106U

CN219554106U - Connector with self-shorting function and connector

Info

Publication number: CN219554106U
Application number: CN202320406853.XU
Authority: CN
Inventors: 谢郴恒
Original assignee: Shenzhen Li Wei Electrical Co ltd
Current assignee: Shenzhen Li Wei Electrical Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-08-18
Anticipated expiration: 2033-02-24

Abstract

The utility model discloses a connector with a self-shorting function, which comprises a first insulating part, a second insulating part, at least 2 first contact parts and at least 2 connecting pieces, wherein one end of each connecting piece is fixed on the first contact part, the other end of each connecting piece extends to a fixed position and surrounds the first contact part into a circle, a through hole is axially formed in the center of a circle or an approximate circle of the first insulating part, a movable ejector rod is arranged in the through hole, one end of the ejector rod extends out of the front end face of the first insulating part, the other end of the ejector rod can penetrate through a gap in the center of the circle or the approximate circle, a second insulating part hole is axially formed in the center of the circle or the approximate circle of the second insulating part, a contact head and a spring are arranged in the second insulating part hole, one end of each spring abuts against one end of each contact head, the other end of each spring is supported at the bottom of the second insulating part hole, and the other end of each contact head is opposite to one end of each ejector rod close to the circle or the approximate circle, and at least 2 connecting pieces abut against each other under the action of the spring to form electric communication. The connector has the advantages of realizing self-short connection and normal on-off automatic recovery at one end of the connector.

Description

Connector with self-shorting function and connector

Technical Field

The utility model relates to the technical field of power connectors, in particular to a connector with a self-shorting function and a connector.

Background

Along with the development of the national industry, the requirements on the reliability of the power are higher and higher, and particularly, the requirements on the reliability, the intelligence, the safety and the like of a power distribution network are required. The switch and the controller are important nodes in the power distribution network, and play roles in isolation, detection and control. The switch is required to be smaller and more reliable, and the controller matched with the switch is required to be more intelligent and reliable. The traditional mode of getting electricity of controller is getting electricity with PT, and this kind of mode is electromagnetic type principle, and PT's volume is big, occupies very big space, has now slowly developed electric capacity and has got electricity. The mode is small in size, can be integrated with a switch, and greatly saves space.

When capacitor power is used, the secondary side and the primary side are required to be electrically isolated, that is, the voltage of the secondary side is required to be controlled at a safe voltage and cannot be as high as the voltage of the primary side. This requires shorting the L1, L2, N poles on the secondary side, which effectively limits the voltage on the secondary side. The short circuit function is realized by a connector with an automatic short circuit function, and when the connector is plugged, the normal operation of secondary equipment is realized, and the short circuit is automatically realized during separation, so that the voltage isolation protection is realized.

The automatic short circuit implementation mode in the prior art is as follows: corresponding contact heads are arranged on the jack-mounting side of the connector, and are supported by springs to be abutted against two adjacent contact pieces (holes) to protect equipment under the condition of separating a plug and a socket; when the secondary equipment is plugged, the contact head is jacked up by the ejector rod arranged on the plugging end (pin mounting end), and the pin and the jack can be plugged in normally, so that the normal power-on operation of the secondary equipment is realized. The existing self-shorting technology has the following defects: 1) The needle loading end is provided with a push rod for pushing the contact head, and when the needle loading end is inserted, the push rod of the needle loading end pushes the contact head open, so that the equipment can be normally electrified. And the ejector rod must be mounted at the needle-loading end. 2) Under the condition that the hole position arrangement of the existing connector is unchanged, the self-connection function cannot be set, and the original technical characteristics are that a short circuit mechanism is arranged between two contact pieces, but no space is arranged for products with small spacing, and particularly for products with certain hole position arrangement, the technology is to be upgraded.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a connector and a connector with a self-shorting function, which can realize the functions of self-shorting and normal on-off automatic recovery at one end of the connector, meet the upgrading of the self-shorting function of small-spacing products, and can meet more application scenes.

The technical scheme adopted by the utility model is as follows:

in a first aspect, a connector with self-shorting function includes a first insulating part, a second insulating part and at least 2 first contact parts, the first contact parts are in a strip shape, the first insulating part includes a front end face of the first insulating part, the first contact parts pass through the second insulating part and the first insulating part, one end of the first contact parts extends out of the front end face of the first insulating part, the connector further includes at least 2 connecting pieces, one end of each connecting piece is fixed on the first contact part, the other end of each connecting piece extends to a fixed position, the other end endpoints of each connecting piece are located on the circumference of the same circle or approximate circle, the first insulating part is provided with a through hole in the center axial direction of the circle or approximate circle, a top rod capable of moving along the axial direction of the circle or approximate circle is arranged in the through hole, one end of the top rod extends out of the front end face of the first insulating part, the other end of the top rod can pass through a gap in the center of the circle or approximate circle, a second insulating part hole is axially provided with a second insulating part hole in the center of the circle or approximate circle, a spring is arranged in the second insulating part hole, one end of each spring is supported at one end of the spring, the other end of the spring is supported at the bottom of the second insulating part hole, the other end of each spring is supported at the bottom of the second insulating part, and the other end of the other end is close to the contact point of the contact piece and is in contact with the contact point of the round or approximate circle, and is in contact with the contact point under the contact 2.

Optionally, the contact head and the connection piece are in contact with a conical surface.

Optionally, the first contact is hollow cylindrical.

Optionally, the first contact member has an end face substantially flush with the first insulator front end face.

Optionally, the ejector rod is thick near the front end face of the first insulating part, the other end is thin, and the through hole of the first insulating part at the center of the circle or the approximate circle is small near the front end face of the first insulating part, and the other end is large.

Optionally, the connecting piece is located near the open end face of the second insulating member.

Optionally, the connector housing is located at the periphery of the first insulating part, the second insulating part and the first contact part, the connector housing is circular, and connector housing threads for connection are arranged on the side face of the connector housing.

The second aspect, a connector with self-shorting function, including connector and connecting seat with self-shorting function, the connecting seat includes the third insulating part, the third insulating part has front end face of the third insulating part, there is the second contact part in the third insulating part, one end of the second contact part stretches out of front end face of the third insulating part, when the said connector is inserted with the connecting seat, the first contact part contacts with the second contact part first electrically, the front end face of the third insulating part presses one end of the ejector rod, the other end of the ejector rod presses one end of the contact head to make it break away from contact with all connecting pieces, at this moment the first contact part and the second contact part can be conducted electrically normally, when doing the above movements, the ejector rod will move and stretch into the hole of the second insulating part, one end of the ejector rod is always pressed against one end of the contact head, the contact head moves in the same direction as the ejector rod, the contact head compresses the spring; when the connector separates with the connecting seat, the terminal surface is kept away from before the first insulating part gradually before the third insulating part terminal surface, and at this moment the spring is kick-backed, and the support contact head is close to the connection piece, and after terminal surface and ejector pin break away from the contact before the third insulating part, the contact head supports and realizes the short circuit between the first contact on the connection piece, and the connector continues to remove, until first contact and second contact complete separation.

Optionally, the connection seat further includes a connection seat shell located on the periphery of the third insulating piece, a connection seat shell thread for connection is arranged on the side face of the connection seat shell, the connection seat shell includes a connector shell fixing table for fixing, and a connector shell fixing table is provided with a connector shell fixing table fixing hole for fixing.

Optionally, the first contact is hollow cylindrical, and the second contact is solid needle-shaped.

From the above technical scheme, the utility model has the following advantages: the connector has the advantages that the functions of self-shorting and normal on-off automatic recovery can be realized at one end of the connector, the self-shorting function upgrading of small-spacing products is met, and more application scenes can be met.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings used in the description of the embodiments and the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a plane view of a connector with a self-shorting function according to an embodiment of the present utility model;

fig. 2 is a schematic view of the internal structure of the connecting piece of the connecting head with self-shorting function according to the embodiment of the present utility model shown in fig. 1;

FIG. 3 is a plan view of a connector connection state with a self-shorting function according to an embodiment of the present utility model;

fig. 4 is a plane view of a self-shorting state of a connector with a self-shorting function according to an embodiment of the present utility model.

Reference numerals:

100. a connector; 110. a first insulating member; 111. a first insulator front end face; 112. a first insulator aperture; 120. a second insulating member; 121. a second insulator aperture; 130. a first contact; 140. a push rod; 150. a contact; 160. a spring; 170. a connecting sheet; 180. a connector housing; 181. connector housing threads;

200. a connecting seat; 210. a second contact; 220. a third insulating member; 221. the front end face of the third insulating piece; 230. a connection base housing; 231. connecting seat shell screw threads; 232. a connector housing fixing table; 233. and fixing holes of the fixing table of the connector shell.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

The terms first, second, third and the like in the description and in the claims and in the above drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

The following describes the embodiments of the present utility model in detail by way of specific examples.

In the prior art, a contact head 150 is arranged at the hole loading end of the connector, a push rod 140 is arranged at the needle loading end, and functional components are arranged at both ends of the connector; the utility model sets the contact 150 and the ejector rod 140 at one end of the connector 100, integrates, the ejector rod 140 is a movable component, and the function of ejecting the contact 150 is realized by ejecting the ejector rod 140 from the insertion surface of the connecting seat 200 at the other end of the connector. Thus, the functional parts can be integrated at one end of the connector head 100 of the connector, and the other end of the connector seat 200 is of a normal structure without a special structure.

Referring to fig. 1 and 2, a connector with self-shorting function includes a first insulating member 110, a second insulating member 120, and at least 2 first contact members 130 (conductive members), wherein the first contact members 130 are elongated, may be hollow cylindrical or solid needle-shaped, and the like, the first insulating member 110 includes a front end surface 111 of the first insulating member, the first contact members 130 pass through the second insulating member 120 and the first insulating member 110, one end of the first contact members 130 extends from the front end surface 111 of the first insulating member, preferably one end surface of the first contact members 130 is substantially flush with the front end surface 111 of the first insulating member, and at least 2 connecting pieces 170 (conductive members), one end of the connecting pieces 170 is fixed on the first contact members 130, preferably the connecting pieces 170 are located near the open end surface of the second insulating member 120, and the other end of the connecting pieces 170 extends to a fixed position, when the connecting pieces 170 are more than 3, the end points of the other ends of the connecting pieces 170 are preferably uniformly distributed along the circumference to form a circle, the first insulating piece 110 is axially provided with a through hole at the center of the circle or the approximate circle, a push rod 140 (insulating piece) capable of moving along the axial direction of the circle or the approximate circle is arranged in the through hole, one end of the push rod 140 extends out of the front end face 111 of the first insulating piece, the other end of the push rod can pass through a gap at the center of the circle or the approximate circle, preferably the push rod 140 is thick and thin near the front end face 111 of the first insulating piece, the through hole of the first insulating piece 110 at the center of the circle or the approximate circle is small near the front end face 111 of the first insulating piece, the other end of the through hole of the first insulating piece 110 is large, or other similar structures, so that the push rod 140 cannot fall off from the front end face 111 of the first insulating piece, the second insulating piece 120 is axially provided with a second insulating piece hole 121 at the center of the circle or the approximate circle, the second insulator hole 121 is provided with a contact 150 (conductive member) and a spring 160, one end of the spring 160 abuts against one end of the contact 150, the other end of the spring 160 is supported at the bottom of the second insulator hole 121, the other end of the contact 150 is opposite to one end of the ejector rod 140, which is close to a circle or approximately a circle, and abuts against at least 2 connecting pieces 170 under the action of the spring 160 to form electrical communication, and preferably, the abutting position of the contact 150 and the connecting pieces 170 is a conical surface, so that reliable contact is facilitated. The connector housing 180 is circular, and connector housing threads 181 for connection are provided on the side surfaces of the connector housing 180, which are located at the peripheries of the first insulating member 110, the second insulating member 120 and the first contact member 130.

Referring to fig. 3 and 4, a connector with a self-shorting function includes a header 100 and a connection base 200 with a self-shorting function, the connection base 200 includes a third insulating member 220, the third insulating member 220 is provided with a third insulating member front end 221, a second contact member 210 is disposed in the third insulating member 220, one end of the second contact member 210 extends out of the third insulating member front end 221, when the header 100 is plugged into the connection base 200, the first contact member 130 is electrically contacted with the second contact member 240 first, the front end 221 of the third insulating member 220 presses one end of the header 140, the other end of the header 140 presses one end of the header 150 to make it separate from all connection pieces 170, at this time, the first contact member 130 and the second contact member 240 can be electrically conducted normally, when doing the above operation, the header 140 moves and extends into a hole of the second insulating member 120, one end of the header 140 presses one end of the header 150, the header 150 and the header 140 move in the same direction, and the header 150 compresses the spring 160; when the connector 100 is separated from the connecting seat 200, the front end surface 221 of the third insulating member is gradually far away from the front end surface 111 of the first insulating member, at this time, the spring 160 rebounds to support the contact 150 to approach the connecting piece 170, and after the front end surface 221 of the third insulating member is separated from the ejector rod 140, the contact 150 abuts against the connecting piece 170 to realize short circuit between the first contact members 130, and the connector 100 continues to move until the first contact member 130 and the second contact member 240 are completely separated. The connector 200 further includes a connector housing 230 disposed at the periphery of the third insulating member 220, a connector housing thread 231 for connection is disposed on a side surface of the connector housing 230, the connector housing 230 includes a connector housing fixing table 232 for fixing, and the connector housing fixing table 232 is provided with a connector housing fixing table fixing hole 233 for fixing. The first contact 130 is hollow cylindrical, the second contact 240 is solid needle-shaped, or the first contact 130 is solid needle-shaped, the second contact 240 is hollow cylindrical, and the first contact 130 and the second contact 240 are inserted into each other. The connector head 100 and the connector holder 200 are indicated above to indicate both ends of the connector, and are not distinguished by the contact being a hole or a pin, or by whether it is fixed to the apparatus.

The connector can simplify the design of products and improve the integration level and the reliability of the products. The most direct effect is that if the existing equipment is to be upgraded, the arrangement of the product contact pieces cannot be changed, and the existing product is used for adding the self-shorting function, the utility model can easily realize the self-shorting function at one end and does not change at the other end, thereby saving the cost; meanwhile, the product is suitable for small-spacing products, so that the standard requirements of national networks are met, and the standard requirements of connectors of various factories are exchanged. The connector of the utility model provides a good solution for upgrading equipment.

The technical scheme of the utility model is described in detail through the specific embodiments. In the foregoing embodiments, the descriptions of the embodiments are each focused, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.

It should be understood that the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting. Modifications of the technical solutions described in the above embodiments or equivalent substitutions of some technical features thereof may be made by those skilled in the art; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A connector with self-shorting function, comprising a first insulating member (110), a second insulating member (120) and at least 2 first contact members (130), the first contact members (130) are elongated, the first insulating member (110) comprises a front end surface (111) of the first insulating member, the first contact members (130) pass through the second insulating member (120) and the first insulating member (110), one end of the first contact members (130) extends out from the front end surface (111) of the first insulating member, characterized in that the connector also comprises at least 2 connecting pieces (170), one end of each connecting piece (170) is fixed on the first contact member (130), the other end of each connecting piece (170) extends to a fixed position, all the other end endpoints of each connecting piece (170) are located on the same circle or approximate circle circumference, the first insulating member (110) is axially provided with a through hole at the center of the circle or approximate circle, a push rod (140) capable of moving along the axial direction of the circle or approximate circle is arranged in the through hole, one end of the push rod (140) extends out of the front end surface (111) of the first insulating member, the other end of the first insulating member can pass through a gap between the center of the circle or approximate circle (120), the other end of the second insulating member (150) is provided with a spring (150) is arranged in the center of the second insulating member (150) which is axially abutting against the center of the second insulating member (121) which is arranged, the other end of the spring (160) is supported at the bottom of the second insulator hole (121), and the other end of the contact head (150) is opposite to one end of the ejector rod (140) close to the circle or approximate circle and is propped against at least 2 connecting pieces (170) under the action of the spring (160) to form electric communication.

2. The connector with the self-shorting function according to claim 1, wherein the contact (150) and the connecting piece (170) are in a conical surface.

3. The connector with self-shorting function according to claim 1, wherein the first contact (130) is hollow cylindrical.

4. The connector with self-shorting function according to claim 1, wherein one end face of the first contact member (130) is substantially flush with the first insulator front end face (111).

5. The connector with the self-shorting function according to claim 1, wherein the ejector pin (140) is thick near the front end face (111) of the first insulating member and thin at the other end, and the through hole of the first insulating member (110) at the center of the circle or the approximate circle is small near the front end face (111) of the first insulating member and large at the other end.

6. The connector with self-shorting function according to claim 1, wherein the connecting piece (170) is located near the open end face of the second insulating member (120).

7. The connector with self-shorting function according to claim 1, further comprising a connector housing (180) at the periphery of only the first insulating member (110), the second insulating member (120) and the first contact member (130), wherein the connector housing (180) is circular, and a connector housing screw thread (181) for connection is provided at a side surface.

8. A connector with self-shorting function, comprising a connector head (100) and a connector base (200) with self-shorting function according to any one of claims 1 to 7, wherein the connector base (200) comprises a third insulating member (220), the third insulating member (220) is provided with a front end surface (221) of the third insulating member, a second contact member (210) is arranged in the third insulating member (220), one end of the second contact member (210) extends out of the front end surface (221) of the third insulating member, when the connector head (100) is inserted into the connector base (200), the first contact member (130) is in electrical contact with the second contact member (210), the front end surface (221) of the third insulating member (220) presses one end of the ejector rod (140), the other end of the ejector rod (140) is against one end of the contact head (150) to enable the contact with all connecting pieces (170), at the same time, the first contact member (130) and the second contact member (210) can be normally electrically conducted, when the connector head (100) is in operation, the first contact member (140) moves and the second contact member (140) moves into a hole (150) to be compressed with the end portion (150); when connector (100) and connecting seat (200) separate, terminal surface (221) keeps away from first insulating piece preceding terminal surface (111) gradually before the third insulating piece, at this moment spring (160) is kick-backed, support contact (150) are close to connection piece (170), after terminal surface (221) and ejector pin (140) break away from the contact before the third insulating piece, contact (150) support and realize first contact piece (130) short circuit between connection piece (170), connector (100) continue to remove, until first contact piece (130) and second contact piece (210) are completely separated.

9. The connector with self-shorting function according to claim 8, wherein the connector housing (200) further comprises a connector housing (230) located at the periphery of the third insulating member (220), a connector housing screw thread (231) for connection is provided on the side of the connector housing (230), the connector housing (230) comprises a connector housing fixing table (232) for fixing, and the connector housing fixing table (232) is provided with a connector housing fixing table fixing hole (233) for fixing.

10. The connector with self-shorting function according to claim 8, wherein the first contact (130) is hollow cylindrical and the second contact (210) is solid needle-shaped.