CN208385751U - Secondary lockable mechanism and connector comprising it - Google Patents

Abstract

The utility model discloses a kind of secondary lockable mechanisms, are used in connector, including a pair of of positioning strip, firm banking and bolt；The pair of positioning strip is fixedly arranged on connector body surface in parallel, and the side of the positioning strip offers the card hole of perforation；There is the cavity of a perforation in the middle part of firm banking, the locating groove with the positioning strip cooperation is offered on bottom surface；The medial surface of locating groove is equipped with hook, and hook can be connected in the card hole so that the firm banking and positioning strip are relatively fixed；Bolt is plugged in the cavity, the servomechanism for fixing on locking connector ontology.The invention also discloses the connectors including above-mentioned secondary lockable mechanism.The secondary lockable mechanism of the utility model, firm banking can be dismantled, and be convenient for changing or in other connectors.

Description

Secondary lockable mechanism and connector comprising it

Technical field

The utility model relates to connector technique fields, and in particular to a kind of secondary lockable mechanism and packet for connector Containing its connector.

Background technique

Plastic cement high-tension connector is widely applied a kind of connector on new-energy automobile, at home with new-energy automobile Yield continuous increase, the demand of plastic cement high-tension connector is also constantly increased.Wherein, PDU mould group positive and negative anodes, electricity are used for Electric current is increasing in the high-tension connector of the transmission main circuit current such as pond packet positive and negative anodes, electric machine controller and motor positive and negative anodes, The security reliability of connector is required also higher and higher.Currently, this kind of connector generallys use a locking structure or two Secondary lockable mechanism realizes unlock.

The connector of band once locking structure, increases a bolt usually on servomechanism, with hanging on bolt Hook presses bolt when servomechanism is pressed onto, and the boss interworking of hook and plastic body on bolt locks servomechanism, To make connector not fall off because of vibration or other shocks.Bolt need to be only extracted when unlock can pull eastern servomechanism To make connector separate.But a lockable mechanism generally realizes locking mainly by the hook of bolt, although structure is simple Performance is unreliable, and hook can not catch on boss when access times are excessive or dimensional discrepancy is larger, causes hook in use It is easy to fall off loosening, to make the connecting portion of connector at work since larger friction occurs for vibration, coating is damaged, impedance It increases sharply, fever is serious, easily generation security risk.

Bolt is usually mounted on a plastic base, plastic base band by the connector with secondary lockable mechanism Flexible hook, the plastic base are fixed on big plastic body by corresponding assembly method, and bolt has boss, power-assisted knot Structure has boss, and plastic base has corresponding card hole, and when pressing servomechanism, servomechanism is pushed under the elastic slice of plastic base Pressure, when being pressed onto certain position, servomechanism leaves elastic slice position, and plastic base elastic slice springs back and locks servomechanism, helps simultaneously The boss of force mechanisms is inserted into the card hole of plastic base, presses the boss on bolt, so that bolt be allow to press (initial power-assisted Bolt can not act when mechanism does not press bolt boss), servomechanism is lockked again, to reach the work of dual locking (insurance) With.It is that first bolt is extracted in unlock, then the elastic slice for pressing on plastic base pulls servomechanism and disengages it from elastic slice hook when unlock, Continuing to pull servomechanism separates connector.Secondary locking structure is due to increasing a secondary locking, so that product is not easy It loosens, safety obtains double shield.

But in current secondary lockable mechanism, plastic base is affixed on plastic body, non-dismountable or difficult With disassembly, it is difficult to repair or apply in other connectors.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of secondary lockable mechanisms, with existing secondary lockable mechanism It compares, the firm banking in the secondary lockable mechanism can be dismantled, and be convenient for changing or in other connectors.

The another object of the utility model is to provide a kind of connector comprising aforementioned secondary lockable mechanism.

In order to solve the above-mentioned technical problem, the utility model provides secondary lockable mechanism, in connector, comprising:

It is fixedly arranged on a pair of of positioning strip on connector body surface in parallel, the side of the positioning strip offers perforation Card hole；

Firm banking, middle part have a cavity, and the locating groove with the positioning strip cooperation is offered on bottom surface； The medial surface of the locating groove is equipped with hook, and the hook can be connected in the card hole so that the firm banking and positioning Strip is relatively fixed；And

Bolt is plugged in the cavity, the servomechanism for fixing on locking connector ontology.

Preferably, the section of the positioning strip is in inverted L shape.

Preferably, the positioning strip and connector body surface are integrally formed.

Preferably, the position that the two sides of the firm banking correspond to the hook offers tearing open for connection locating groove Unload hole.

Preferably, the bolt includes plunger and a pair of of pin rod for being fixed on front side of plunger, and the head of the pin rod is set Outwardly convex fixture block, the side wall of the cavity are equipped with the boss for stopping bolt to exit.

Preferably, the lateral surface of the pin rod is additionally provided with the ramp blocks of protrusion.

Preferably, it is located on front side of plunger between a pair of of pin rod and is fixed with a guide rod, the roof and roof of the cavity Between be fixed with a pair of of limit plate for guiding the guide rod.

Preferably, a positioning rod, the head of the locating rod are fixed between pin rod and guide rod on front side of plunger Equipped with the locating piece to raise upward, offer on the top surface of the firm banking and be connected to the cavity, and for it is described fixed The location hole of position block cooperation fastening screw.

Preferably, second location hole is offered on the top surface of the firm banking, the second location hole is used for and power-assisted Locating convex block cooperation in mechanism, with relative positioning firm banking and servomechanism.

In addition, the utility model also provides a kind of connector, including secondary lockable mechanism above-mentioned.

The utility model has the beneficial effects that:

The secondary lockable mechanism of the utility model, firm banking are connected in the card hole of positioning strip side by hook In, compared with existing secondary lockable mechanism, firm banking is easy to disassemble, is convenient for changing maintenance, and can be in different model Connector on be used interchangeably, improve the utilization rate of part, reduce expense.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the connector of an embodiment of the present invention；

Fig. 2 is the perspective view of the explosion of secondary lockable mechanism in Fig. 1；

Fig. 3 is the structural schematic diagram of firm banking in Fig. 2；

Fig. 4 is the main view of firm banking and the cross-sectional view along the direction A-A in Fig. 2；

Fig. 5 is the structural schematic diagram of bolt in Fig. 2；

Fig. 6 is the structural schematic diagram of servomechanism in Fig. 1；

Wherein: 100, connector body；110, strip is positioned；111, card hole；200, servomechanism；210, locating convex block； 220, nose bar；300, firm banking；310, locating groove；311, hook；312, removal hole；320, cavity；321, boss；322, Limit plate；330, elastic press；341, first positioning hole；342, second location hole；400, bolt；410, plunger；420, baffle； 421, locking hole；430, pin rod；431, fixture block；432, ramp blocks；440, guide rod；450, locating rod；451, locating piece.

Specific embodiment

The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.

All publications, patent application, patent and the other bibliography that this specification is mentioned all draw in this for reference. Unless otherwise defined, all technical and scientific terms used herein all has what those skilled in the art routinely understood to contain Justice.In case of conflict, it is subject to the definition of this specification.

When this specification with prefix " well known to those skilled in the art ", " prior art " or its export material similar to term Whens material, substance, method, step, device or component etc., object derived from the prefix is covered this field when the application proposes and is routinely made Those of with, but also include also being of little use at present, it will but become art-recognized for suitable for those of similar purpose.

In the context of the present specification, other than the content clearly stated, any matters or item that do not mention are equal It is directly applicable in those of known in the art without carrying out any change.Moreover, any embodiment described herein can be with It is freely combined with one or more other embodiments described herein, the technical solution or technical idea formed therefrom regards For the original disclosure of the present invention or a part of original description, and be not considered as not disclosing or be expected herein it is new in Hold, unless those skilled in the art think that the combination is obvious unreasonable.

Fig. 1 shows the structural schematic diagram of the connector of an embodiment of the present invention, which is mainly used in newly Energy automobile.It can be seen from the figure that the connector includes an angle connector ontology 100, two sidespins of connector body 100 Turn one servomechanism 200 of connection, connect and be fixedly installed secondary lockable mechanism on body surface, which is used for will Connector body 100 is locked together with servomechanism 200 and vehicle body end, and connector is made not fall off because vibrating or hitting, Promote the stability and safety when connector work.Certainly, those skilled in the art will be seen that, the utility model it is secondary Locking structure applies also on straight connector ontology 100.

Fig. 2 shows the perspective view of the explosions of secondary lockable mechanism, it can be seen from the figure that secondary locking structure includes a pair Position strip 110, firm banking 300 and bolt 400.

Specifically, positioning strip 110 is fixed in parallel on the front of connector body 100, the side of strip 110 is positioned The card hole 111 of perforation is offered, in order to connect and fix with firm banking 300.The section for positioning strip 110 is L-shaped, with more preferable Ground is fixed to each other with firm banking 300.Those skilled in the art will be seen that in other embodiments, positioning strip 110 is cut The shape in face includes but is not limited to L-type.Preferably, above-mentioned a pair of of positioning strip 110 is symmetrical arranged.Particularly, when connector sheet When body 100 is straight connector ontology 100, in the settable positioning strip 110 of 100 usable front panel and reverse panel of connector body, to make It obtains 100 tow sides of connector body and secondary locking structure is installed, more convenient to use, application range is wider.Position strip 110 It is preferably made, can be integrally formed with 100 surface of connector body of plastic cement material.

Fig. 3-4 is referred to, firm banking 300 is whole box shaped, is preferably made of plastic cement material.Firm banking 300 Middle part has the cavity 320 of a perforation.The locating groove cooperated with positioning strip 110 is offered on the bottom surface of firm banking 300 310, the locating groove 310 is open at one end, facilitates and fixed bottom plate is installed on positioning strip 110.

The medial surface of locating groove 310 is connected to the cavity 320, and connectivity part is equipped with a hook 311, will fix bottom Seat 300 be installed to positioning strip 110 on during, the hook 311 push against in positioning strip 110 medial surface on, until card It is connected in card hole 111, to keep firm banking 300 and positioning strip 110 relatively fixed.

For the ease of dismantling firm banking 300, it is preferred that the two sides of firm banking 300 correspond to the hook 311 Position offers the removal hole 312 of connection locating groove 310.When needing to dismantle firm banking 300, tool tearing open from two sides is used It unloads hole 312 to extend into locating groove 310, pins hook 311, firm banking 300 can be exited from positioning strip 110.

In addition, being additionally provided with elastic press 330 and several first positioning holes 341 and second in the upper surface of firm banking 300 Location hole 342, wherein second location hole 342 is used to cooperate with the locating convex block 210 on servomechanism 200, solid with relative positioning Determine pedestal 300 and servomechanism 200, the specific effect of elastic press 330 and first positioning hole 341 will retouch in detail part below It states.

Fig. 5 is referred to, bolt 400 includes plunger 410 and a pair of of the pin rod 430 for being fixed at 410 front side of plunger.Bolt 400 are preferably made of plastic cement, and the rear end of plunger 410 upwardly extends to form baffle 420, and baffle 420 is equipped with to be helped for locking The locking hole 421 of force mechanisms 200.

The head of pin rod 430 is equipped with the fixture block 431 of outwardly convex, is equipped on the side wall of cavity 320 for stopping bolt 400 boss 321 exited.During bolt 400 is inserted into, since fixture block 431 has elasticity, boss 321 can be crossed；When When bolt 400 retreats, which can play the role of that fixture block 431 is stopped to retreat, to avoid bolt 400 from fixed bottom It falls off on seat 300.

The lateral surface of pin rod 430 is additionally provided with the ramp blocks 432 of protrusion, the ramp blocks 432 tool there are two inclined-plane, so as to Freely cross or exit above-mentioned boss 321.When crossing or exiting boss 321, ramp blocks 432 can be made a sound, and be generated " Click " effect, so that operator's bolt 400 be reminded to be in prepackage state or plugging state in place.In the present embodiment, inclined-plane Block 432 be it is trapezoidal, in other embodiments, ramp blocks 432 are including but not limited to trapezoidal.

It is located between a pair of of pin rod 430 on front side of plunger 410 and is fixed with a guide rod 440, the roof and roof of cavity 320 Between be fixed with a pair of of limit plate 322 for guiding the guide rod 440, prevent bolt 400 from glancing off in insertion.

A positioning rod 450 is fixed on front side of plunger 410 between pin rod 430 and guide rod 440, locating rod 450 Head is equipped with the locating piece 451 to raise upward, and the first positioning hole 341 on 300 top surface of firm banking is connected to cavity 320, should First positioning hole 341 is used to cooperate fastening screw 400 with the locating piece 451.

The process of the connector locking of the utility model are as follows:

Firstly, the clamping of firm banking 300 is installed on positioning strip 110, servomechanism 200, booster engine are then pressed Structure 200 pushes the elastic press 330 on firm banking 300 to push, and when being pressed onto certain position, servomechanism 200 leaves elastic pressure Block 330, elastic press 330 springs back and locks servomechanism 200, while the locating convex block 210 of servomechanism 200 is inserted into fixation Second location hole 342 on pedestal 300；Then bolt 400 is inserted on the cavity 320 of firm banking 300, so that bolt 400 are in plugging state, and the nose bar 220 of servomechanism 200 is inserted into the locking hole 421 on bolt 400, lock power-assisted again Mechanism 200, to have the function that dual locking.

The secondary locking to servomechanism 200 not only may be implemented, so that product in the secondary lockable mechanism of the utility model It is not easy to loosen, safety obtains double shield；And firm banking 300 is easy to disassemble, is convenient for changing maintenance, and can be not With being used interchangeably on the connector of model, the utilization rate of part is improved, expense is reduced.

Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.

Claims (10)

1. two lockable mechanisms, in connector characterized by comprising

It is fixedly arranged on a pair of of positioning strip on connector body surface in parallel, the side of the positioning strip offers the card of perforation Hole；

Firm banking, middle part have a cavity, and the locating groove with the positioning strip cooperation is offered on bottom surface；It is described The medial surface of locating groove is equipped with hook, and the hook can be connected in the card hole so that the firm banking and positioning strip It is relatively fixed；And

Bolt is plugged in the cavity, the servomechanism for fixing on locking connector ontology.

2. secondary lockable mechanism as described in claim 1, which is characterized in that the section of the positioning strip is in inverted L shape.

3. secondary lockable mechanism as described in claim 1, which is characterized in that the positioning strip and connector body surface one It is body formed.

4. secondary lockable mechanism as described in claim 1, which is characterized in that the two sides of the firm banking correspond to described The position of hook offers the removal hole of connection locating groove.

5. secondary lockable mechanism as described in claim 1, which is characterized in that the bolt includes plunger and is fixed at plunger A pair of of pin rod of front side, the head of the pin rod are equipped with the fixture block of outwardly convex, and the side wall of the cavity is equipped with for stopping The boss that bolt exits.

6. secondary lockable mechanism as claimed in claim 5, which is characterized in that the lateral surface of the pin rod is additionally provided with the oblique of protrusion Face block.

7. secondary lockable mechanism as described in claim 1, which is characterized in that be located at fixation between a pair of of pin rod on front side of plunger and set There is a guide rod, a pair of of limit plate for guiding the guide rod is fixed between the roof and roof of the cavity.

8. secondary lockable mechanism as claimed in claim 7, which is characterized in that solid between pin rod and guide rod on front side of plunger Surely it is equipped with a positioning rod, the head of the locating rod is equipped with the locating piece to raise upward, opens up on the top surface of the firm banking Have and be connected to the cavity, and for the first positioning hole with locating piece cooperation fastening screw.

9. secondary lockable mechanism as described in claim 1, which is characterized in that offer second on the top surface of the firm banking Location hole, the second location hole is used to cooperate with the locating convex block on servomechanism, with relative positioning firm banking and power-assisted Mechanism.

10. a kind of connector, which is characterized in that including the described in any item secondary lockable mechanisms of such as claim 1-9.