CN209282532U - Fool proof connected structure and air quality detector with it - Google Patents

Abstract

The utility model discloses a kind of fool proof connected structure and with its air quality detector, including a pedestal and a module, one first connection terminal is provided on the pedestal.Second connection end is provided in the module, and first connection terminal and second connection end are respectively arranged with one-to-one a plurality of grafting pins.It is further provided with one first magnet on the pedestal, one second magnet is further provided in the module, first magnet is identical with the polarity of second magnet.When first connection terminal and the second connection end sub-error grafting, first magnet generation mutual expelling force opposite with second magnet separates first connection terminal with second connection end.The pedestal is connected correctly with the connection terminal of the module by the repulsive interaction between homopolarity magnet, is solved in the prior art due to maloperation plug anti-inserted the technical issues of leading to connecting terminal connection error.

Description

Fool proof connected structure and air quality detector with it

Technical field

The utility model relates to a kind of designs of connected structure, and in particular to a kind of for the anti-error of air quality detector The connected structure of operation, and the air quality detector with the fool proof connected structure.

Background technique

The electric connection mode of electronic equipment is varied.More commonly used connection type is docked by connecting terminal Realize electrical connection.Connecting terminal is exactly a kind of aftermarket product for realizing electrical connection, is industrially divided into the model of connector Farmland.As industrial automatization is higher and higher and Industry Control requires to be increasingly stringenter, accurately, the dosage of connecting terminal is gradually Go up.With the development of electronics industry, the use scope of connecting terminal is more and more wider, and type is also more and more.Especially The connecting terminal directly plugged is even more to be widely applied since its is easy to operate.

Utility model content

The utility model discloses a kind of fool proof connected structures for air quality detector, solve existing Due to the anti-inserted technological deficiency for leading to connecting terminal connection error of maloperation plug in technology.

In an optional embodiment, the utility model provides a kind of for the fool proof of air quality detector Connected structure, including a pedestal and a module are provided with one first connection terminal on the pedestal.One is provided in the module Second connection end, and first connection terminal and second connection end are respectively arranged with a plurality of correspondingly insert Adapter tube foot.One first magnet is further provided on the pedestal.One second magnet is further provided in the module, First magnet is identical with the polarity of second magnet.First connection terminal and the second connection end sub-error are inserted When connecing, first magnet generation mutual expelling force opposite with second magnet connect first connection terminal with described second Terminal separation.In the present embodiment, the first company is effectively prevent using the first magnet and the second magnet principle that identical charges repel each other The wrong grafting of connecting terminal and second connection end.

In another optional embodiment, be additionally provided with a third magnet on the pedestal, the third magnet with it is described First magnet polarity is opposite.One the 4th magnet, the 4th magnet and second magnet polarity are additionally provided in the module On the contrary.When first connection terminal and the second connection end sub-error grafting, the third magnet and the 4th magnet The opposite mutual expelling force that generates separates first connection terminal with second connection end.In the present embodiment in first magnetic Other than body and second magnet, and it is added to other two magnet (the i.e. described third magnet and the 4th magnet).It can be with Further increase the active force flicked when first connection terminal is contacted with second connection end.

In another optional embodiment, when first connection terminal is with the second connection end correct grafting, institute It states the first magnet and is bonded to each other and adsorbs with the 4th magnet, second magnet is bonded to each other and inhales with the third magnet It is attached.Present embodiment discloses assembling structure when first connection terminal and the second connection end correct grafting of son, In, the absorption of first magnet and the 4th magnet and the absorption of second magnet and the third magnet can be with Grafting is more easily carried out, on the other hand can also further confirming that pedestal, whether grafting is correct with module.

In another optional embodiment, with the internal cavities of upward opening on the pedestal；The module is by described Opening is inserted into the internal cavities, so that first connection terminal is mutually inserted with second connection end.This embodiment party Formula discloses the connection type between a kind of pedestal and the module.

In another optional embodiment, first connection terminal is arranged on the bottom of chamber of the internal cavities.It is described Second connection end is arranged on the end face of insertion one end of the module.Present embodiment discloses first connection terminal The position being specifically arranged with second connection end.

In another optional embodiment, the exterior side wall of the side wall of the internal cavities and the module is correspondingly arranged shape At smooth bore from top to bottom, the module insertion internal cavities are slided along the length direction of the smooth bore.Present embodiment discloses The assembly method of the pedestal and the module.

In another optional embodiment, first magnet and the third magnet are along the two of first connection terminal Side is symmetrical arranged.Second magnet and the 4th magnet are symmetrical arranged along the two sides of second connection end.This implementation Mode discloses the positional relationship between magnet, using above-mentioned position setting magnet the pedestal and the module can both inserted It is mutually exclusive when mutually being adsorbed when connecing correct, and can make the pedestal and the module grafting mistake.

In another optional embodiment, the module, which is inserted on the end face of one end, is provided with buffering foot pad.This embodiment party Formula discloses a kind of buffering foot pad, prevents in the prolonged and repeated insertion for being attracted the damage pedestal of the module and the pedestal End.

In another optional embodiment, the opening of the pedestal is provided with spring flip lid.Present embodiment A kind of spring flip lid is disclosed, prevents the opening of the pedestal from entering the electrical connection of dust influence connection terminal.

At the same time, the invention also discloses a kind of air quality detectors comprising has above-mentioned combination and spy Point and its fool proof connected structure combined.

Detailed description of the invention

The preferred embodiment of the utility model will be described in detail by referring to accompanying drawing below, make the ordinary skill people of this field Member becomes apparent from the above and other feature and advantage of the utility model, in attached drawing:

Fig. 1 is a kind of overall structure diagram of the air quality detector of embodiment of the utility model；

Fig. 2 is that the outside when pedestal spring flip lid of the utility model another embodiment closes the opening is tied Structure schematic diagram；

Fig. 3 is the base part internal junction when spring flip lid of the utility model another embodiment conceals Structure schematic diagram；

Fig. 4 is the external structure schematic diagram of the module insertion end of the utility model another embodiment；

Fig. 5 is the schematic diagram of internal structure of the module insertion end of the utility model another embodiment；

Wherein, appended drawing reference is as follows:

Label	Meaning
		1	Pedestal
11	First connection terminal
		12	First magnet
13	Third magnet
		14	Opening
15	Internal cavities
		16	Smooth bore
17	Spring flip lid
		2	Module
21	Second connection end
		22	Second magnet
23	4th magnet
		24	Buffering foot pad

Specific embodiment

In order to which the technical features, objects and effects to utility model are more clearly understood, Detailed description of the invention sheet is now compareed The specific embodiment of utility model, identical label indicates identical part in the various figures.Indicating the attached of each embodiment In figure, identical rear two digits indicate that structure is identical or structure is similar but the identical component of function.

To make simplified form, part relevant to the utility model is only schematically shown in each figure, they are simultaneously Its practical structures as product is not represented.In addition, so that simplified form is easy to understand, have in some figures identical structure or The component of function, only symbolically depicts one of those, or has only marked one of those.

Specifically, Fig. 1 shows a kind of overall structure of the air quality detector of embodiment of the utility model and shows It is intended to.Fig. 2 is the external structure schematic diagram of the pedestal of air quality detector in Fig. 1, wherein pedestal spring flip lid closing Pedestal opening.In order to clearly show the internal structure of pedestal, Fig. 3 is base when spring flip lid conceals The base part internal junction exposed after the spring flip lid for removing pedestal is shown in seating portion schematic diagram of internal structure Structure.

Possible maloperation in the prior art in order to prevent, such as two connection terminals are reversed leads to corresponding internal circuit Connection error, or even cause the short circuit problem between circuit.In conjunction with described in Fig. 1-Fig. 3, the utility model provides a kind of anti-error The connected structure of operation, the fool proof connected structure can be applied to a kind of air quality detector.Specifically, the sky Gas mass detecting instrument includes a pedestal 1 and a module 2, is provided with one first connection terminal 11 on pedestal 1, is provided in module 2 One second connection end 21, and the first connection terminal 11 is respectively arranged with a plurality of correspondingly insert with second connection end 21 Adapter tube foot.One first magnet 12 is further provided on pedestal 1.One second magnet 22 is further provided in module 2, the 22 polarity of one magnet 12 and the second magnet (pole S or the pole N that specifically refer to magnet) is identical.

In the present embodiment, pedestal 1 and module 2 are exemplary description, and base is not limited in practical application Seat 1 and module 2, as long as two parts are to be electrically connected by connection terminal, and be respectively arranged with the first magnet on two parts again 12 and second magnet 22.When two parts are connected by connection terminal, the first magnet 12 and 22 position of the second magnet it is opposite and by Grafting is hindered in the identical repulsion that produces of the two polarity.By above-mentioned design, can effectively solve the problem that in the prior art by Lead to internal circuit the connection error even technological deficiency of short circuit of connection in grafting mistake.

As it can be seen that fool proof connected structure provided by the utility model utilizes the same of the first magnet 12 and the second magnet 22 Property the principle repelled each other the wrong grafting of the first connection terminal 11 and second connection end 21 can be effectively prevented.

Fig. 4 is the external structure schematic diagram of the module insertion end of the utility model another embodiment.In order to more Add the internal structure for clearly showing module, Fig. 5 is the module insertion end of the utility model another embodiment Schematic diagram of internal structure shows the partial internal structure signal of the module shown after removing the top cap of module Figure.

In conjunction with shown in Fig. 3-Fig. 5, in another preferred embodiment of the utility model, in addition to the first magnet 12 and the second magnetic Other than body 22, and it is added to other two magnet (i.e. third magnet 13 and the 4th magnet 23).Specifically, it is also set on pedestal 1 It is equipped with a third magnet 13, third magnet 13 is opposite with 12 polarity of the first magnet.One the 4th magnet 23 is additionally provided in module 2, 4th magnet 23 is opposite with 22 polarity of the second magnet.

By this design, when on the one hand can be further improved the first connection terminal 11 and being contacted with second connection end 21 The active force flicked.On the other hand, active force when pedestal 1 can be made to flick with module 2 is more uniform, it is pointed out that the One magnet 12 and third magnet 13 are symmetrical with the setting of 11 two sides of the first connection terminal.Opposite, the second magnet 22 and the 4th magnet 23 are symmetrical with the sub 21 two sides setting of second connection end.

It is understood that when the first connection terminal 11 in the utility model is with second connection end 21 correct grafting of son, First magnet 12 is bonded to each other and adsorbs with the 4th magnet 23, and the second magnet 22 is bonded to each other and adsorbs with third magnet 13.? In present embodiment, when the first connection terminal 11 is with second connection end 21, magnet can help pedestal 1 and module 2 mutually to inhale Merge electrical connection.When first connection terminal 11 is with second connection end 21 wrong grafting of son, third magnet 13 and 23 phase of the 4th magnet First connection terminal 11 is separated with second connection end 21 to mutual expelling force is generated.

Preferably, in an optional embodiment of the utility model, the inside on pedestal 1 with upward opening 14 is empty Chamber 15.Module 2 is by 14 insertion internal cavities 15 of opening, so that the first connection terminal 11 is mutually inserted with second connection end 21. Present embodiments provide for a kind of pedestals 1 and the specific connection type of module 2, it is pointed out that when module 2 is inserted into internal sky When the inside of chamber 15, the first connection terminal 11 is mutually inserted in place just with second connection end 21.

In another optional embodiment, the first connection terminal 11 is arranged on the bottom of chamber of internal cavities 15.Second connection Terminal 21 is arranged on the end face of insertion one end of the module 2.Present embodiment discloses the first connection terminal 11 and second Position is specifically arranged in connection terminal 21.

Further, in one optional embodiment of the utility model, the side wall of internal cavities 15 and the outside of module 2 Side wall is correspondingly arranged the smooth bore 16 to be formed from top to bottom, and module 2 is inserted into internal cavities 15 and is slided along the length direction of smooth bore 16.? In present embodiment, the practical effect for acting as sliding rail of the side wall of internal cavities 15 keeps module 2 only sliding along one degree of freedom direction It is dynamic.Once when the first connection terminal 11 and second connection end sub 21 connection errors, module 2 also can only be flicked along the freedom degree, from It prevents module 2 that unexpected bullet occurs on definite meaning and flies phenomenon, ensure that the reliability of operation.

It is preferred that the first magnet 12 is symmetrical arranged with third magnet 13 along the two sides of the first connection terminal 11.Second magnetic Body 12 and the 4th magnet 13 are symmetrical arranged along the two sides of second connection end 21.Present embodiments provide for a kind of first magnets 12 With the arrangement embodiment of third magnet 13 and the second magnet 12 and the 4th magnet 13.By in figure it is not difficult to find that practical application The mode of middle 2 grafting mistake of module is only possible to be to carry out grafting after the reversed 180 degree rotation of connection terminal.So using this implementation The magnet arrangement structure that mode provides is the simplest.

As shown in Figure 4 and Figure 5, in another optional embodiment, module 2 is inserted on the end face of one end and is provided with buffering foot Pad 24.Since when the first connection terminal 11 and correct sub 21 grafting of second connection end, module 2 and pedestal 1 are understood by quick pick-up, The active force long-time service generated in above process can have damage 2 insertion end of module, be cut down by buffering foot pad 24 by this The impact injury that active force generates.

In another optional embodiment, spring flip lid 17 is provided at the opening 14 of pedestal 1.Pedestal 1 in order to prevent The long-term exposed spring flip lid 17 by opening 14 of the first connection terminal 11 will 14 closing of opening.When 2 grafting of module, bullet Spring flip lid 17 is turned over downwards naturally passes through the insertion end of module 2.

At the same time, the utility model additionally provides a kind of air quality detector, and the air quality detector uses Have the characteristics that above structure and and its fool proof connected structure that combines.

The utility model specifically has the beneficial effect that:

The embodiments of the present invention provides the principle of repulsion by the way that the first magnet 12 is identical with 22 polarity of the second magnet, Effectively prevent making when the sub 21 grafting mistake of the first connection terminal 11 and second connection end its corresponding internal circuit misconnection or The technical problem of person's short circuit.

Third magnet 13 and 23 one side of the 4th magnet enhance the size of repulsion, it is often more important that pass through the first magnet 12 With the arrangement of the second magnet 22 and third magnet 13 and the 4th magnet 23.It is also provided when pedestal 1 and module 2 connect correct Corresponding adsorption capacity, and keep either repulsion or adsorption capacity all more uniform.

The specific connection structure of pedestal 1 and module 2 is more steady when can then make the two grafting by repulsion or adsorption capacity. Buffering foot pad 24 can protect adsorption capacity when 2 grafting of module.Spring flip lid 17 then can protect the cleaning in internal cavities 15.

Herein, " schematic " expression " serving as examplea, instances, or illustrations " should not will be described herein as " showing Any diagram, the embodiment of meaning property " are construed to technical solution that is a kind of preferred or more having advantages.

Although not each embodiment is only wrapped it should be appreciated that this specification is described according to each embodiment Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art The other embodiments that member is understood that.

Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model Equivalent implementations or change should be included within the scope of protection of this utility model.

Claims (10)

1. being used for the fool proof connected structure of air quality detector characterized by comprising

One pedestal (1) is provided with one first connection terminal (11) on the pedestal (1)；

One module (2), it is sub (21) to be provided with a second connection end on the module (2), and first connection terminal (11) with The second connection end sub (21) is respectively arranged with one-to-one a plurality of grafting pins；

One first magnet (12) is further provided on the pedestal (1)；

One second magnet (22), first magnet (12) and second magnet are further provided on the module (2) (22) polarity is identical；

When first connection terminal (11) and second connection end son (21) mistake grafting, first magnet (12) and institute Stating the second magnet (22) opposite mutual expelling force that generates separates first connection terminal (11) with the second connection end sub (21).

2. the fool proof connected structure according to claim 1 for air quality detector, which is characterized in that

A third magnet (13), the third magnet (13) and the first magnet (12) pole are additionally provided on the pedestal (1) Property is opposite；

One the 4th magnet (23), the 4th magnet (23) and the second magnet (22) pole are additionally provided on the module (2) Property is opposite；

When first connection terminal (11) and second connection end son (21) mistake grafting, the third magnet (13) and institute Stating the opposite mutual expelling force that generates of the 4th magnet (23) separates first connection terminal (11) with the second connection end sub (21).

3. the fool proof connected structure according to claim 2 for air quality detector, which is characterized in that

When first connection terminal (11) and second connection end son (21) correct grafting, first magnet (12) and institute It states the 4th magnet (23) to be bonded to each other and adsorb, second magnet (22) is bonded to each other and inhales with the third magnet (13) It is attached.

4. the fool proof connected structure according to claim 1 for air quality detector, which is characterized in that

With the internal cavities (15) of upward opening (14) on the pedestal (1)；

The module (2) is inserted into the internal cavities (15) by the opening (14) so that first connection terminal (11) with The second connection end sub (21) is mutually inserted.

5. the fool proof connected structure according to claim 4 for air quality detector, which is characterized in that

First connection terminal (11) is arranged on the bottom of chamber of the internal cavities (15)；

The second connection end sub (21) setting is on the end face of insertion one end of the module (2).

6. the fool proof connected structure according to claim 5 for air quality detector, which is characterized in that

The side wall of the internal cavities (15) and the exterior side wall of the module (2) are correspondingly arranged the smooth bore to be formed from top to bottom (16), module (2) insertion internal cavities (15) is slided along the length direction of the smooth bore (16).

7. the fool proof connected structure according to claim 2 for air quality detector, which is characterized in that

First magnet (12) and the third magnet (13) are symmetrical arranged along the two sides of first connection terminal (11)；

Second magnet (22) and the 4th magnet (23) are symmetrical arranged along the two sides of the second connection end sub (21).

8. the fool proof connected structure according to claim 7 for air quality detector, which is characterized in that

Buffering foot pad (24) are provided on the end face of module (2) insertion one end.

9. the fool proof connected structure according to claim 4 for air quality detector, which is characterized in that

Spring flip lid (17) is provided at the opening (14) of the pedestal (1).

10. a kind of air quality detector, which is characterized in that it has anti-error as described in any one of claim 1-9 The connected structure of operation.