CN201364826Y - Emergency power-off switch - Google Patents

Abstract

The utility model relates to an emergency power-off switch, which is characterized in that a locking mechanism (5) comprises a shell (18) with a positioning groove (19) and a locking groove (20), and a connecting shell (2) is inserted in the shell (18); a mounting hole (24) is arranged at one side of the connecting shell (2), and an elastic element and a locking shaft(13) are arranged in the mounting hole (24) from inside to outside in sequence; and the locking shaft (13) is fixedly connected with a connecting plate (12) which is connected with a handle lug boss (3), and when a handle (1) and the handle lug boss (3) are pressed down, the outer end of the locking shaft (13) can slide in the positioning groove (19) and is clamped in the locking groove (20) under the action of the elastic element. The locking mechanism and the handle are made into a whole body, so operators can complete locking when pressing down the handle, thereby facilitating the operation. The emergency power-off switch is mainly used for electric vehicles.

Description

The emergency power off switch

Technical field

The utility model relates to a kind of emergency power off switch of electric automobile, and this emergency power off switch has retaining mechanism.

Background technology

The emergency power off switch of electric automobile is the most frequently used a kind of manual operation annex in the electric automobile, and it has very important effect as the manual adjustment annex, can when automobile generation emergency electrokinetic cell be stopped power supply.

The emergency power off switch of existing electric automobile generally is to make electrokinetic cell keep connection status after handle is subdued, and battery is disconnected.But, because this emergency power off switch is not provided with retaining mechanism, therefore under the situation that the automobile generation is vibrated or road conditions are bad, the emergency power off switch is easy to mention automatically and causes power supply to disconnect, cause to reach the effect that the emergency power off switch should have, and may form potential safety hazard because of its auto power off.

China utility model patent CN200965840Y discloses a kind of emergency power off switch, this emergency power off switch has retaining mechanism, move downward together by handle vertically being depressed drive loam cake (connection shell), after the conducting strip that conducting strip that this loam cake is installed and electrokinetic cell are internally drawn contacts, with the handle half-twist, make handle be horizontal and contact that magnetic element on the handle and the magnetic element on the fixing lug boss attract each other with fixing lug boss, thereby with handle locking.In this locking mechanism, handle motion and 90 ° the motion of overturning vertically downward, substantially lead by the track groove, but the shortcoming of this emergency power off switch is: the perpendicularity when switch knob is vertically depressed is poorly controlled, in case application of force direction departs to some extent, be easy to make the latch segment on the handle to break away from the track groove and produce deflection, and in upset 90 ° the time, because the track groove forms edge of acute angle in minimum point, as long as latch segment has deflection slightly, be easy to form interference and cause handle to be difficult to upset with this edge of acute angle.Simultaneously, in this retaining mechanism, the location notch on the handle and the positioning boss of loam cake form and cooperate, though help to keep both relative positions when moving vertically downward, overturning at handle constitutes the obstacle of handle flip-flop movement 90 ° the time.In addition, the locking operation of this emergency power off switch is actually in two steps to be carried out, and promptly earlier handle is depressed and is made power turn-on, and then handle is overturn to lock, and this seems more loaded down with trivial details in operation.The problems referred to above cause the retaining mechanism of this emergency power off switch very inconvenient in operation, even are difficult to operation, so that are difficult to realize the effect of emergency power off switch.

The utility model content

The technical problem that the utility model solves provides a kind of emergency power off switch, and this emergency power off switch is convenient to operation, can finish locking simultaneously when handle is depressed.

For solving the problems of the technologies described above, the utility model provides a kind of emergency power off switch, comprise handle, connect shell, retaining mechanism and the electrical connector that is used for after described handle presses down, making current lead-through, described handle interconnects with the described shell that is connected, described retaining mechanism comprises the shell that is formed with location notch and locking slot, in this shell, be inserted with described connection shell, one side of this connection shell is formed with the installing hole corresponding to described location notch and locking slot, described handle is formed with recess in the side corresponding to this installing hole, wherein, described installing hole from inside to outside is equipped with flexible member and lock shaft successively, this lock shaft is fixedly connected with connecting plate, this connecting plate is positioned at described recess and is connected with the handle boss, when pressing down described handle and push described handle boss, can slide in described location notch in the outer end of described lock shaft, and snap in the described locking slot under the effect of described flexible member.

Emergency power off switch of the present utility model, retaining mechanism closely is connected with handle, thumb was pinned the handle boss when operator held handle, the location notch that lock shaft is being prolonged in the shell inserts, unclamping the thumb rear spring upsprings automatically, lock shaft is snapped in the locking slot of shell, promptly finish the single stepping of locking after so just having realized inserting simultaneously, more convenient in operation.Simultaneously, use by the 600A connector, make and be electrically connected more accurately and reliably when handle presses down, and the effect by retaining mechanism, realize the locking of emergency power off switch effectively, avoid judder because of vehicle to come in contact bad, emergency power off switch and mention consequences such as making the circuit disconnection automatically.

Description of drawings

Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing:

Fig. 1 is the stereogram of emergency power off switch that the utility model embodiment of shell is not installed;

Fig. 2 is the sectional view of emergency power off switch that the utility model embodiment of shell is not installed;

Fig. 3 is the schematic diagram of handle boss of the emergency power off switch of the utility model embodiment;

Fig. 4 is the handle and the sectional view that is connected shell of the emergency power off switch of the utility model embodiment;

Fig. 5 is the schematic diagram of connecting plate of the emergency power off switch of the utility model embodiment;

Fig. 6 is the assembling sectional view that the emergency power off switch of chlamydate the utility model embodiment is installed;

Fig. 7 is the stereogram of shell of the emergency power off switch of the utility model embodiment.

Embodiment

As shown in Figure 1, the utility model embodiment the emergency power off switch as a kind of manual operation annex the most frequently used in the electric automobile, comprise the parts that general emergency power off switch has usually, in Fig. 1, comprise handle 1, connect parts such as shell 2, firm banking 4, conducting strip 6, lower house assembly 7, seal 8, left lead 9, right lead 10, after-poppet 11.In addition, the utility model embodiment the emergency power off switch also have self distinctive retaining mechanism 5.

The general annexation of parts shown in Fig. 1 is, handle 1 is connected in and connects shell 2, connect in the shell 2 corresponding electrical connector is housed, supporting electrical connector is being installed on 4 at the bottom of the holder, supporting electrical connector at the bottom of this holder on 4 and conducting strip 6, lead 9,10 parts such as grade connect, 9,10 electrode terminals that are connected in the electrokinetic cell (not shown) of lead.When depressing handle 1, handle 1 drives connection shell 2 and depresses together, and the electrical connector in the connection shell 2 engages with the supporting electrical connector on the holder 4, thereby makes electrokinetic cell be in conducting state.When emergency takes place when, can extract handle 1, handle 1 drives and connects shell 2 and mentions together, thereby the electrical connector that connects in the shell 2 and the supporting electrical connector on the holder 4 are separated from each other, make the electric power output of electrokinetic cell disconnect, realize the purpose of emergency power off.

From as can be seen last, the utility model embodiment basic functional principle and the prior art of emergency power off switch in general emergency power off switch be identical, therefore, in the following description, some common parts for the emergency power off switch, to be omitted or simplify description, the emphasis of explanation will concentrate on the retaining mechanism 5 of emergency power off switch of the utility model embodiment.

As shown in Figure 6, the retaining mechanism 5 of the utility model embodiment mainly comprises handle boss 3, shrouding 29, connecting plate 12, liner plate 30, lock shaft 13, fixed axis 14, flexible member and shell 18.

Each parts of retaining mechanism 5 are at first described with reference to corresponding accompanying drawing.

As shown in Figure 4, one side of handle 1 is formed with recess 23, connect shell 2 and be formed with installing hole 24 in the same side, handle 1 be connected shell 2 and be connected to integral body after, the medial surface of recess 23 is concordant mutually with the upside end face of installing hole 24, and perhaps the medial surface of recess 23 can stretch out slightly than the upside end face of installing hole 24.Handle 1 forms a fixed connection with being connected shell 2, for example forms a fixed connection by welding.The shape of installing hole 24 is similar to a part of a circle ring column being clipped vertically upside, thereby the upside end face is shorter than downside end face.The purpose that installing hole 24 is set like this is can not form with the installation of liner plate 30 to interfere on the one hand, is not hinder moving of connecting plate 12 after connecting plate 12 is installed on the other hand.Certainly, the shape of installing hole 24 might not so be provided with, but the part at contiguous recess 23 must be formed with breach, form a fixed connection for connecting plate 12 and lock shaft 13, and when pushing handle boss 3, can move inward, promptly the shape of installing hole 24 should form not form with connecting plate 12 and interfere.The shape of the recess 23 of handle 1 can change, and is not limited to the shape shown in Fig. 4, as long as be suitable for installing parts such as handle boss 3, shrouding 29, connecting plate 12 and liner plate 30, different shape all is fine.

As shown in Figure 3, the main part of handle boss 3 forms first section 26 and second sections 27, and wherein first section 26 diameter is formed with step 22 less than second section 27 diameter first section 26 and second sections 27 junction.Handle boss 3 stretches out the recess 23 of handle 1 after installation cap portion should be suitable for the user and use finger presses, to meet the principle of ergonomics.In addition, insert for ease of handle boss 3, first section 26 end can be formed with chamfering.

As shown in Figure 2, shrouding 29 is mainly used in encapsulation connecting plate 12 parts such as grade, is formed with shrouding through hole 32 on this shrouding 29, and the diameter of this shrouding through hole 32 should be greater than second section 27 diameter of handle boss 3, so that can enter this shrouding through hole 32 for second section 27.Shrouding 29 can adopt resin, rubber, plastic or other material manufacturing.

As Fig. 2 and shown in Figure 5, be formed with through hole 33 on the connecting plate 12, the diameter of this through hole 33 should be greater than first section 26 diameter of handle boss 3, but must be less than second section 27 diameter of handle boss 3, so that first section 26 can be passed through this through hole 33, and the continuation that can block handle boss 3 when leading to step 22 for first section 26 inserts, and that is to say that second section 27 can not be inserted through hole 33.Also have connecting portion 34 on the described connecting plate 12, this connecting portion 34 is mainly used in lock shaft 13 and is connected.

As shown in Figure 2, liner plate 30 is relative with connecting plate 12 after installation, and its face relative with connecting plate 12 should be suitable for and connecting plate 12 is fitted.Be formed with guide hole 31 on this liner plate 30, the diameter of guide hole 31 can be identical with the diameter of through hole 33 on the connecting plate 12, suitably greater than first section 26 diameter of handle boss 3, so that first section 26 can be inserted.The effect of this guide hole 31 mainly is the mobile guide when being used for handle boss 3 and pushing, and prevents that handle boss 3 from undue deflection taking place when being subjected to pushing.

As shown in Figure 2, lock shaft 13 is a minor axis, and slip when its outer end is formed with fillet and is beneficial to locking operation and locking are inserted, and this is elaborated in the time will locking operation being described below.The other end of lock shaft 13 is formed with cavity, and this cavity is mainly used in the insertion of fixed axis 14.Fixed axis 14 is mainly used in the guiding of lock shaft 13, the one termination is closed lock shaft 13, the other end engages flexible member, in a preferred embodiment, this flexible member is selected spring 15 for use, this fixed axis 14 plays and supports the also effect of retainer spring 15, makes spring 15 keep a direction in locking and insertion process, thereby keeps direction constant in locking and insertion process by the elastic force transmission assurance lock shaft 13 of direction basic fixed.

In addition, as shown in Figure 7, locking mechanism 5 also comprises location notch 19 and the locking slot 20 on the shell 18, and the shape of this location notch 19 is suitable for the rounded end of lock shaft 13 slides therein, and the rounded end of the then suitable lock shaft 13 of locking slot 20 is inserted.In Fig. 7, be formed with opening on the shell 18, this opening periphery is formed with continuous flange, and described location notch 19 and locking slot 20 all are formed on this flange.The shape that flange surrounds is suitable for connecting the insertion of shell 2, and when inserting, the slot 21 on the boss 28 on the connection shell 2 and the flange of shell 18 cooperatively interacts, and breaks away or rotation with respect to shell 18 thereby can prevent to connect shell 2.

The installation process of the retaining mechanism 5 of emergency power off switch is described below with reference to Fig. 2 and Fig. 6.

With handle 1 be connected shell fixedly connected after, liner plate 30 is installed on the medial surface of recess 23, because the medial surface of recess 23 is concordant mutually with the upside end face of installing hole 24, perhaps the medial surface of recess 23 can stretch out slightly than the upside end face of installing hole 24, thereby the upside end face of the lower end of liner plate 30 and installing hole 24 can not form interference.Liner plate 30 is installed in the method on the medial surface of recess 23, can be various known fixing meanss, for example welding, bonding, the counterbore screw connects, riveted joint or the like.Then, with flexible member, in this preferred implementation, be spring 15, be placed in the installing hole 24 that connects shell 2.With the connecting portion 34 of connecting plate 12 with after lock shaft 13 is fixedlyed connected, in turn the through hole 32,33 by separately is enclosed within on the handle boss 3 with shrouding 29, connecting plate 12, and then fixed axis 14 is inserted in the cavity of lock shafts 13 other ends.At last, with the handle boss 3, connecting plate 12, shrouding 29, lock shaft 13 and fixed axis 14 integral installations that connect to the handle 1 that has formed a fixed connection be connected shell 2 on, in this process, should note making through hole 33 on guide hole 31 and connecting plate 12 and the shrouding 29 on the liner plate 30,32 circle centre position is on same straight line, wherein, on shrouding 29 is encapsulated in handle 1 regularly and is connected shell 2, and the recess 23 of handle 1 sealed, then can parallelly move in the cavity of connecting plate 12 between liner plate 30 and shrouding 29.Fixed axis 14 inserts in the installing hole 24 and is resisted against on the spring 15, in addition, for preventing that handle boss 3 is because of the through hole 33 of accident from connecting plate 12 and shrouding 29, come off in 32, can increase corresponding locking structure in first section 26 termination of handle boss 3, for example snap, lock pin etc., the diameter of guide hole 31 just should increase accordingly on the liner plate 30 at this moment, insert can after increasing structures such as snap, lock pin, supply first section 26 of handle boss 3, certainly, this locking structure is also nonessential, because during normal use, handle boss 3 generally is a difficult drop-off.

Behind the critical piece that installs above-mentioned locking mechanism 5, connecting other functional parts that the emergency power off switch is installed on the shell 2, as electrical connector etc., illustrate in passing at this, the utility model embodiment the emergency power off switch in, the electrical connector of use is known 600A connector, as shown in Figure 2, wherein 600A connector pin end 16 is installed on the installation seat 25 that connects shell 2, and supporting 600A connector nose end 17 then is installed on the firm banking 4.After installing various functional parts, shell 18 is fixed on the firm banking 4, then, with the handle 1 that assembles moulding be connected shell 2 and be inserted in the shell 18, when assembling, the slot 21 on the flange of boss 28 alignment housings 18 of feasible connection shell 2 inserts the cooperation of this boss 28 and slot 21, can guarantee to connect shell 2 and shell 18 and be convenient to install, can prevent to connect shell 2 again and in shell 18, take place to break away relatively or relatively rotate.In carrying out assembling process, should guarantee to make that the location notch 19 on the strict flange with shell 18 of the rounded end of lock shaft 13 is aimed at.Like this, after assembling is finished, as shown in Figure 6, connect shell 2 integral body and be in substantially in the flange of shell 18, handle 1 and handle boss 3 then are exposed at the outside of shell 18.

Next the operating process of the cut-off switch of the utility model embodiment is described with reference to Fig. 1, Fig. 2 and Fig. 6.

Suppose in Fig. 1, the emergency power off switch does not enter conducting state as yet, in this case, as shown in Figure 2, with handle 1 to pressing down, in the process of pressing down, use thumb press handle boss 3 simultaneously, make second section 27 of handle boss 3 enter in the through hole 32 of shrouding 29, be resisted against on the connecting plate 12 until step 22, continue to push handle boss 3 this moment, step 22 promotes connecting plate 12 and moves towards liner plate 30 in the cavity of handle 1, and first section 26 of handle boss 3 enters in the guide hole 31 of liner plate 30, fixedly connected with lock shaft 13 owing to connecting plate 12 simultaneously, thereby connecting plate 12 drive lock shafts 13 inside compression springs 15, make lock shaft 13 can enter in the location notch 19 along with pressing down of handle 1, handle 1 continues to press down, lock shaft 13 along location notch 19 to lower slider.As shown in Figure 6, when connection shell 2 goes downwards to a certain degree, 600A connector pin end 16 on the connection shell 2 is bonded with each other with the 600A connector nose end 17 on the firm banking 4, thereby make the output circuit of electrokinetic cell be in conducting state, at this moment, lock shaft 13 also just in time goes downwards to locking slot 20 places, pushing of release handle boss 3, under the elastic force effect of spring 15, the rounded end of lock shaft 13 enters locking slot 20, thereby with the emergency power off switch locking.Therefrom can see, the utility model embodiment the emergency power off switch, retaining mechanism 5 closely is connected with handle 1, thumb was pinned the handle boss 3 on the handle 1 when the operator held handle 1, the location notch 19 that lock shaft 13 is being prolonged in the shell 18 inserts, and unclamps thumb rear spring 15 and upsprings automatically, and lock shaft 13 is snapped in the locking slot 20 of shell 18, so just realized inserting the single stepping of promptly finishing locking simultaneously, very convenient in operation.By the use of 600A connector, make when handle 1 presses down to be electrically connected more accurately and reliably, and by retaining mechanism 5 lockings, can effectively avoid judder because of vehicle to come in contact bad, emergency power off switch and mention the consequence that makes circuit disconnection etc. automatically.

When emergency takes place, when needing by emergency power off switch open circuit, can push handle boss 3, thereby drive inwardly compression spring 15 of lock shaft 13, make the rounded end of lock shaft 13 from locking slot 20, shift out, and aim at location notch 19 once more, upwards mention handle 1 this moment, the rounded end of lock shaft 13 is upwards slided in location notch 19, handle 1 continues to mention, 600A connector pin end 16 on drive connection shell 2 is separated from each other with the 600A connector nose end 17 on the firm banking 4, thereby makes circuit disconnect, and realizes the effect of emergency power off switch.

Need to prove, above-mentioned execution mode only is the utility model embodiment, in fact the retaining mechanism 5 of emergency power off switch can further be simplified, for example, in above-mentioned preferred implementation, fixed axis 14 and liner plate 30 and nonessential, under the situation of omitting fixed axis 14, lock shaft 13 can directly be resisted against on the spring 15.Liner plate 30 can not be provided with yet, though handle boss 3 this moment deflection to some extent in the process of pushing, but still can drive lock shafts 13 compression springs 15 by connecting plate 12.Shrouding 29 is mainly used in the purpose of encapsulation, can prevent that also dust, foul from entering in the recess 23 of handle 1 simultaneously, thereby also fully shrouding 30 can be set.

In further simplifying, handle boss 3 can directly be fixedly connected on the lock shaft 13 by a connector, for example in Fig. 6, connecting plate 12 can not be provided with through hole 33, and handle boss 3 directly is connected on the connecting plate 12, connecting plate 12 is fixedly attached on the lock shaft 13 again, 13 of lock shafts directly against and be bonded on the spring 15, and then the other end of spring 15 is fixedlyed connected with installing hole 24.When pushing handle boss 3, handle boss 3 is same by connecting plate 12 drive lock shafts 13 inside compression springs 15, thereby can finish the locking of emergency power off switch in an identical manner.

In addition; in above-mentioned preferred implementation; the shape of each parts does not have special qualification; can carry out various changes according to actual needs fully; for example; in a preferred embodiment; flexible member is selected spring 15; but can select other flexible member fully as required; as elastic caoutchouc or the like; suitable variation can be carried out fully to satisfy the demand in the shape of the shape of shell 18, location notch 19, position etc., and above-mentioned obvious modification all falls within the protection range of the present utility model.

Claims (10)

1. emergency power off switch, comprise handle (1), connect shell (2), retaining mechanism (5) and the electrical connector that is used for after described handle (1) presses down, making current lead-through, described handle (1) interconnects with the described shell (2) that is connected, it is characterized in that, described retaining mechanism (5) comprises the shell (18) that is formed with location notch (19) and locking slot (20), in this shell (18), be inserted with described connection shell (2), one side of this connection shell (2) is formed with the installing hole (24) corresponding to described location notch (19) and locking slot (20), described handle (1) is formed with recess (23) in the side corresponding to this installing hole (24), wherein, described installing hole (24) from inside to outside is equipped with flexible member and lock shaft (13) successively, this lock shaft (13) is fixedly connected with connecting plate (12), this connecting plate (12) is positioned at described recess (23) and is connected with handle boss (3), when pressing down described handle (1) and pushing described handle boss (3), can slide in described location notch (19) in the outer end of described lock shaft (13), and snap under the effect of described flexible member in the described locking slot (20).

2. emergency power off switch according to claim 1 is characterized in that, described flexible member is spring (15).

3. emergency power off switch according to claim 2, its feature is being, be formed with through hole (33) on the described connecting plate (12), described handle boss (3) comprises first section (26) and second section (27), the junction of these first section (26) and second section (27) is formed with step (22), wherein, described first section (26) are inserted in the described through hole (33), when pushing described handle boss (3), described step (22) is resisted against on the described connecting plate (12), moves inward to promote described connecting plate (12).

4. emergency power off switch according to claim 3, its feature is being, on the medial surface of the recess (23) of described handle (1) liner plate (30) is installed, be formed with guide hole (31) on this liner plate (30), this guide hole (31) is aimed at mutually with the through hole (33) on the described connecting plate (12), and when pushing described handle boss (3), insert to lead for first section (26) of described handle boss (3).

5. emergency power off switch according to claim 4, its feature is being, the outside of described connecting plate (12) also has shrouding (29), this shrouding (29) is fixedly mounted on the described handle (1), described handle boss (3) passes the shrouding through hole (32) on this shrouding (29), and the diameter of this shrouding through hole (32) can pass for second section (27) of described handle boss (3).

6. emergency power off switch according to claim 5, its feature is being, between described spring (15) and the described lock shaft (13) fixed axis (14) is installed also, an end of this fixed axis (14) engages with described spring (15), and the other end engages with described lock shaft (13).

7. emergency power off switch according to claim 6, its feature is being, be formed with slot (21) on the described shell (18), be formed with boss (28) on the described connection shell (2), when described connection shell (2) was inserted in the described shell (18), this boss (28) and this slot (21) cooperatively interacted.

8. according to each described emergency power off switch in the claim 1 to 7, its feature is being that the outer end of described lock shaft (13) forms rounded end.

9. emergency power off switch according to claim 8, its feature are being that described connecting plate (12) has connecting portion (34), and this connecting portion (34) is fixedlyed connected with described lock shaft (13).

10. emergency power off switch according to claim 9, its feature are being that described electrical connector is 600A connector (16,17).

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