CN209045952U - A kind of duplex combined inserting part - Google Patents

Abstract

The utility model discloses a kind of duplex combined inserting parts, including the oversheath with internal cavities and the inner core cover and terminal assemblies that are mounted in oversheath, inner core cover one end is the installation protrusion of the axially extending set distance along internal cavities, is provided in the installation protrusion along several terminal holes for axially penetrating through the installation protrusion；Terminal assemblies include that regularly arranged several large terminals and several small terminals in several terminal holes, large terminal and small terminal are fixed in position in terminal hole by location structure.Using the technical program, by large terminal and this duplex of small terminal can carry respectively high current and low current passes through, reasonable disposition terminal resources, and guarantee verticality of the large and small terminal in terminal hole, enhance mechanical strength, it is able to bear biggish contact engaging and separating force, guarantees the accuracy and reliability of terminal grafting, plug connector is made to have reliable mechanical performance, electric property and environmental performance.

Description

A kind of duplex combined inserting part

Technical field

The utility model relates to electrical cnnector technical fields, and in particular to a kind of duplex combined inserting part.

Background technique

Connector is also connector, at home also referred to as connector and socket, is a kind of portion that electrical connection art is in daily use Part, electric signal or conductive use are mainly transmitted in their effect, it is therefore desirable to which plug connector has reliable mechanical performance, electrical resistance Energy and environmental performance, this 3 performances will directly affect the service performance and service life of product.Connector generally comprises cooperation The male terminal and female terminal used is contacted to realize electrical connection in use, male terminal is inserted into female terminal, for connecting two A active device, transmits electric current or signal, the electric system that is widely used, automobile manufacture, industrial automation, are done communication network It postulates the industries such as standby, household electrical appliances.

Existing a kind of plug connector, for matching for automobile lamp, including the pedestal being installed on automobile and setting In several inserting terminals in pedestal, base interior, which forms, is divided into bilevel installation partition, installs on partition Equipped with several jacks, several inserting terminals are interspersed in several jacks and extend to pedestal rear and front end, then use seal plug again Son lives pedestal back-end sealing, and inserting terminal is that sectional area is larger and for bearing the big end subtype of high current, after installation Plug connector can cooperate grafting to use with external plug.But existing plug connector following technology still generally existing in actual use is asked Topic: several inserting terminals in 1. existing plug connectors are unified for big end subtype, and structure is single, when for carrying low current output Obviously improper, it causes resource distribution to waste, has a single function, manufacturing cost is again high；2. the length of inserting terminal is longer, inserting Locating effect in hole is poor, easy deflection, and initiation verticality is inadequate, and mechanical strength is deteriorated, and leads to plug inaccuracy, inserts biggish Inserting terminal will be damaged under pull out force effect, cooperates poor reliability.

Utility model content

Therefore, the technical problem to be solved by the present invention is to overcome the terminal composed structure of plug connector in the prior art It is single, cause resource distribution to waste and inserting terminal easy deflection in jack, verticality is inadequate, and mechanical strength is deteriorated, and causes The problem of plug inaccuracy, cooperation poor reliability, to provide a kind of reasonable disposition terminal structure, guarantee the vertical of inserting terminal Degree enhances mechanical strength to avoid deflection, improves plug accuracy, cooperates the duplex combined inserting part of good reliability.

In order to solve the above technical problems, the utility model provides a kind of duplex combined inserting part, including there is inside The oversheath of cavity, and the components being mounted in the internal cavities, the components are used to dock aerial lug, The components include:

Inner core cover, one end are the installation protrusion along the axially extending set distance of the internal cavities, the installation protrusion Inside be provided with along several terminal holes for axially penetrating through the installation protrusion, be provided with along the inner core cover other end with it is several The corresponding several wiring holes connected of the terminal hole；

Terminal assemblies, it is described including regularly arranged several large terminals and several small terminals in several terminal holes Location structure is respectively arranged between terminal hole and the large terminal and small terminal, it is described fixed that the large terminal and small terminal pass through Bit architecture is fixed in position in the terminal hole, and is stretched through out the inner core cover one along the raised extending direction of the installation End.

As a preferred embodiment, the large terminal and the small terminal respectively include stretching out inserting for described inner core cover one end Needle end, and the mounting portion being installed in the corresponding terminal hole, and the connecting pin being threaded through in the corresponding wiring hole.

As a preferred embodiment, the contact pin end cross section of the large terminal is transversal greater than the contact pin end of the small terminal Face, the contact pin end are policy structure.

As a preferred embodiment, several small terminals are relatively set into two rows, and several large terminals are in two rows of phases Pair set up separately in the two sides of two rows of small terminals.

As a preferred embodiment, the location structure includes the chuck being set on the terminal hole inner wall, and corresponding Elastic clamping hook on the mounting portion side wall is set, and the elastic clamping hook cooperation is connected on the chuck end face, the card The guiding surface being oriented to the movement of the elastic clamping hook is formed on platform side.

As a preferred embodiment, correspond on the end face of the installation protrusion several terminal holes be provided with it is described slotting Several sockets that needle end matches, the one end fits of the mounting portion are resisted against on the inside of the socket.

As a preferred embodiment, the connecting pin includes the Wiring nose structure suitable for conducting wire.

As a preferred embodiment, the first sealing ring, the inner core are arranged on the molding boss of oversheath side wall The second sealing ring is arranged on the set molding boss of side wall.

As a preferred embodiment, the two sides side correspondence of the inner core cover bottom forms through-hole, wears in the through-hole It is inserted with the strip latch for locking inner core cover installation site.

The above-mentioned technical proposal of the utility model has the advantage that compared with prior art

1. in duplex combined inserting part provided by the utility model, by being arranged in inner core cover one end along internal cavities Axially extending installation protrusion installs several terminal holes for being equipped in protrusion and extending in the same direction with it, rule row in several terminal holes Several large terminals and several small terminals are shown, large and small terminal keeps installation site to fix by location structure in terminal hole, this Sample design is advantageous in that, using the combination duplex of large terminal and small terminal, can carry high current and low current respectively Pass through, functional, and axially extend the reasonable altitudes distance of setting according to installation protrusion, and cooperation location and installation, it can Guarantee verticality in terminal hole of large terminal and small terminal, so that large and small terminal is stretched through out vertically inner core cover one end, have fine Installation supporting role, enhance the mechanical strength of terminal, be able to bear biggish contact engaging and separating force, to effectively prevent large and small end The phenomenon that son glances off in terminal hole, with aerial lug cooperate grafting when, guarantee terminal grafting accuracy and can By property, reasonable disposition terminal resources, structural stability is good, make in this way plug connector have reliable mechanical performance, electric property and Environmental performance.

2. in duplex combined inserting part provided by the utility model, the location structure includes being set to the terminal Chuck on the inner wall of hole, and the elastic clamping hook being correspondingly arranged on the mounting portion side wall, this structure setting, by large terminal or During small terminal is encased in terminal hole from wiring hole side, the elastic clamping hook moves along guiding surface and crosses card Platform, and then cooperate and be connected on the chuck end face, make terminal in terminal hole by chuck and the effect of the mutual stress of hook Installation site is kept to fix, positioning is reliable, and it is easy for installation, guarantee that large and small terminal assembles more firm stabilization.

3. in duplex combined inserting part provided by the utility model, being arranged on the molding boss of oversheath side wall There is the first sealing ring, be arranged with the second sealing ring on the molding boss of inner core cover side wall, both ensure that oversheath was pacified in this way Sealing function when dress also ensures the sealing function of inner core cover and oversheath cooperation assembling, whole promotion plug connector product IP degree of protection.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.

Fig. 1 is the separate structure schematic diagram of the plug connector of the utility model；

Fig. 2 is the inner core cover of the utility model and the structural schematic diagram of latch；

Fig. 3 is the schematic perspective view of the inner core cover of the utility model；

Fig. 4 is the top view of the inner core cover of the utility model；

Fig. 5 is the large terminal of the utility model and the structural schematic diagram of small terminal；

Fig. 6 is the schematic diagram of the section structure of the utility model along line A-A；

Description of symbols: 1- oversheath, 11- internal cavities, 2- inner core cover, 21- installation protrusion, 22- terminal hole, 221- Socket, 23- wiring hole, 3- large terminal, 31- contact pin end, 32- mounting portion, the connecting pin 33-, 4- small terminal, 51- chuck, 52- bullet Property hook, 53- guiding surface, the first sealing ring of 6-, the second sealing ring of 7-, 8- latch.

Specific embodiment

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Embodiment 1

The utility model provides a kind of duplex combined inserting part as shown in figures 1 to 6, including with internal cavities 11 Oversheath 1, and components being mounted in the internal cavities 11, the components for docking aerial lug, The components include:

Inner core cover 2, one end are the installation protrusion 21 of the axially extending set distance along the internal cavities 11, the peace It is provided in dress protrusion 21 along several terminal holes 22 for axially penetrating through the installation protrusion 21,2 other end of inner core cover On be provided with several wiring holes 23 of connection corresponding with several terminal holes 22, harness can be made to connect institute by wiring hole in this way State terminal assemblies；

Terminal assemblies, including regularly arranged several large terminals 3 and several small terminals 4 in several terminal holes 22, Location structure 5 is respectively arranged between the terminal hole 22 and the large terminal 3 and small terminal, the large terminal and small terminal are logical It crosses the location structure 5 to be fixed in position in the terminal hole 22, and stretches through out along raised 21 extending directions of the installation Described 2 one end of inner core cover.

Above embodiment is the core technology scheme of the present embodiment, by being arranged in inner core cover one end along internal cavities axis To the installation protrusion 21 of extension, several terminal holes 22 for being equipped in protrusion and extending in the same direction with it are installed, several large terminals 3 and several Small terminal 4 is regularly arranged to keep installation site to fix in several terminal holes 22 and through location structure, the benefit designed in this way It is, terminal assemblies use the combination duplex of large terminal and small terminal, and it can carry respectively high current and low current passes through, Functional, also, the reasonable altitudes distance of setting is axially extended according to protrusion 21 is installed, and cooperate location and installation, from And can guarantee the verticality of large terminal 3 and small terminal 4 in terminal hole, so that large and small terminal is stretched through out vertically inner core cover one end, tool There is installation supporting role well, enhances the mechanical strength of terminal, be able to bear biggish contact engaging and separating force, to effectively prevent The phenomenon that large and small terminal glances off in terminal hole guarantees the accurate of terminal grafting when cooperating grafting with aerial lug Property and reliability, reasonable disposition terminal resources, structural stability it is good, so that plug connector is had reliable mechanical performance, electrical in this way Performance and environmental performance.

It elaborates below with reference to the specific set-up mode of Fig. 2-4 pairs of large terminals and small terminal:

The large terminal 3 and the small terminal 4 respectively include stretching out the contact pin end 31 of described 2 one end of inner core cover, and installation Mounting portion 32 in the correspondence terminal hole 22, and the connecting pin 33 being threaded through in the corresponding wiring hole 23, the peace The cylindrical structure in dress portion, it is further preferred that the contact pin end cross section of the large terminal 3 is greater than the contact pin end of the small terminal 4 Cross section, the contact pin end 31 are policy structure, and this structure setting, the large terminal 3 passes through for carrying high current, described Small terminal 4 passes through for carrying low current, to realize a variety of output functions, resource cooperation rationally, is avoided unnecessary Manufacturing cost is saved in the wasting of resources.

As a kind of specific set-up mode, it is arranged according to plug connector use demand and function, the small terminal 4 is provided with eight A, there are six the settings of large terminal 3, and with reference to Fig. 2, several small terminals 4 are relatively set into two rows, several large terminals 3 set up separately in two rows of opposite in the two sides of two rows of small terminals 4, realize in the regularly arranged of installation protrusion, guarantee grafting Order and reliability.

In order to keep conducting wire connection large terminal 3 and the small terminal 4 of harness more convenient, the connecting pin 33 includes being adapted to lead The Wiring nose structure of line, the Wiring nose structure are in Semi surrounding type structure, so only need to crimp conducting wire i.e. with wiring arm configuration Connection can be achieved, terminal is corresponded to together with conducting wire then and penetrates wire guide and is inserted into terminal hole 22, realizes that harness and terminal exist Installation on inner core cover 2.

It elaborates below with reference to the set-up mode of Fig. 5-6 pairs of location structures:

The location structure 5 includes at least one chuck 51 being set on 22 inner wall of terminal hole, and is correspondingly arranged At least one elastic clamping hook 52 on 32 side wall of mounting portion, the cooperation of elastic clamping hook 52 are connected to 51 end of chuck On face, the guiding surface 53 being oriented to the movement of the elastic clamping hook 52, this knot are formed on 51 side of chuck Structure setting, during large terminal or small terminal are encased in terminal hole from wiring hole side, the elastic clamping hook 52 is along leading It is moved to inclined-plane 53 and crosses chuck, and then cooperated and be connected on the chuck end face, pass through the mutual of chuck 51 and hook 52 Stress effect makes terminal keep installation site to fix in terminal hole, and positioning is reliable, easy for installation, guarantees large and small terminal assembly More firm stabilization.

The installation protrusion 21 is similar to rectangular preiection as a preferred implementation manner, and several institutes are corresponded on end face It states terminal hole 22 and is provided with several sockets 211 to match with the contact pin end, fit clearance is small, and installation is close reliable, works as institute The one end fits for stating mounting portion 32 are resisted against 211 inside of the socket, as large terminal or small terminal in corresponding end sub-aperture It is installed in place, while the contact pin end being made to stretch through out the socket, there is enough plug length can realize with aerial lug Plug cooperation.

In the present embodiment, as shown in Figure 1, being arranged with the first sealing ring 6 on the molding boss of 1 side wall of the oversheath, The second sealing ring 7 is arranged on the molding boss of 2 side wall of inner core cover, the first sealing ring and the second sealing ring are rubber ring, It both ensure that sealing function when oversheath 1 is installed in this way, and also ensured that inner core cover 2 and the sealing of the cooperation assembling of oversheath 1 were made With the whole IP degree of protection for promoting plug connector can reach waterproof performance IPX7 or more.

In order to keep installation site of the inner core cover 2 in the oversheath to fix, the two sides of 2 bottom of inner core cover Side correspondence forms through-hole, and the strip latch 8 for locking 2 installation site of inner core cover, institute are interspersed in the through-hole It states latch 8 and plays the role of position locking to inner core cover 2.

Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes among the protection scope created still in the utility model.

Claims (9)

1. a kind of duplex combined inserting part including the oversheath (1) with internal cavities (11), and is mounted on the inside Components in cavity (11), the components are for docking aerial lug, which is characterized in that the components packet It includes:

Inner core cover (2), one end is that the installation of the axially extending set distance along the internal cavities (11) is raised (21), described It installs and is provided in raised (21) along several terminal holes (22) for axially penetrating through the installation protrusion, the inner core cover (2) Several wiring holes (23) of connection corresponding with several terminal hole (22) are provided on the other end；

Terminal assemblies, including regularly arranged several large terminals (3) and several small terminals in several terminal holes (22) (4), location structure, the large terminal are respectively arranged between the terminal hole (22) and the large terminal (3) and small terminal (4) It is fixed in position in the terminal hole (22) with small terminal by the location structure, and prolonged along the installation raised (21) Direction is stretched to stretch through out the inner core cover (2) one end.

2. duplex combined inserting part according to claim 1, it is characterised in that: the large terminal (3) and described small Terminal (4) respectively includes stretching out the contact pin end (31) of the inner core cover (2) one end, and is installed in the corresponding terminal hole (22) Mounting portion (32), and the connecting pin (33) being threaded through in the corresponding wiring hole (23).

3. duplex combined inserting part according to claim 2, it is characterised in that: the contact pin end of the large terminal (3) Cross section is greater than the contact pin end cross section of the small terminal (4), and the contact pin end (31) is policy structure.

4. duplex combined inserting part according to claim 3, it is characterised in that: several small terminals (4) are opposite It is arranged to two rows, several large terminals (3) are set up separately in two rows of opposite in the two sides of two rows of small terminals (4).

5. the duplex combined inserting part according to any one of claim 2-4, it is characterised in that: the location structure Including at least one chuck (51) being set on the terminal hole (22) inner wall, and it is correspondingly arranged at the mounting portion (32) side At least one elastic clamping hook (52) on wall, elastic clamping hook (52) cooperation is connected on the chuck (51) end face, described The guiding surface (53) being oriented to the movement of the elastic clamping hook (52) is formed on chuck (51) side.

6. duplex combined inserting part according to claim 5, it is characterised in that: the end face for installing raised (21) Upper several terminal holes (22) of correspondence are provided with several sockets (211) to match with the contact pin end, the mounting portion (32) one end fits are resisted against on the inside of the socket (211).

7. duplex combined inserting part according to claim 5, it is characterised in that: the connecting pin (33) includes being suitable for The Wiring nose structure of connecting wire.

8. duplex combined inserting part according to claim 1, it is characterised in that: oversheath (1) the side wall molding Boss on be arranged with the first sealing ring (6), be arranged with the second sealing ring (7) on the molding boss of inner core cover (2) side wall.

9. duplex combined inserting part according to claim 8, it is characterised in that: the two of inner core cover (2) bottom Side side correspondence forms through-hole, and the strip latch for locking inner core cover (2) installation site is interspersed in the through-hole (8)。