DE212017000045U1 - engine - Google Patents

Abstract

Engine, characterized in that it comprises an engine body to which a lithium-ion battery for the engine is mounted, the central axis of which runs parallel to a cylinder axis of the engine body.

Description

Cross-reference to related applications

The present application claims priority from April 21, 2017 filed with the Patent Office of the People's Republic of China Chinese patent application with the application number 201710267316.0 and the designation "Engine," the priority of which filed with the Patent Office of the People's Republic of China on April 21, 2017 Chinese Patent Application Serial No. 201720429588.1 and the designation "Assembly Structure Arrangement for Mounting a Lithium-Ion Battery in a Motor" and the priority of filed with the Patent Office of the People's Republic of China on April 21, 2017 Chinese patent application with the application number 201720438930.4 and the term "lithium ion battery assembly for an engine", which applications are incorporated by reference into the present application in their entirety.

Domain of utility model

The present utility model relates to the field of power plants, in particular an engine.

Technical background

Engines are machines that convert and emit the chemical energy of a fuel into mechanical energy. For starting an engine, a lead-acid battery is usually used as a starting power supply, which is increasingly replaced by lithium-ion batteries because of the large volume, the high weight, the low energy density, the frequent self-discharge and the poor storability. Compared to conventional lead-acid batteries, a lithium-ion battery has reduced outside dimensions, reduced weight, and extended life for the same capacity parameters. In the prior art, the lithium-ion battery is permanently fixed to the engine body, which is subject to violent vibrations during operation, which can lead to negative influence on the lithium-ion battery, such as to reduce the battery capacity and the output voltage or to shorten the life, whereby the normal operation of the Lithium ion battery start is impaired.

Revelation of the utility model

To overcome the disadvantages of the prior art, it is an object of the present utility model to provide a motor with which the negative effects due to vibrations on a lithium-ion battery can be reduced in order to ensure proper continuous operation of the lithium-ion battery.

The embodiments of the present invention are realized by the following embodiments:

An engine includes an engine body to which a lithium-ion battery for the engine is mounted, whose center axis is parallel to a cylinder axis of the engine body.

It is further provided that the lithium-ion battery is attached by plugging to the motor body, wherein the insertion direction of the lithium-ion battery is perpendicular to the central axis.

It is further provided that an electrode slot is provided on the lithium-ion battery, which extends in a direction perpendicular to the central axis direction, wherein within the electrode slot is a first contact electrode, while on the motor body, a second contact electrode is formed, which are inserted into the electrode slot and the first contact electrode can electrically contact, wherein the contact surface between the first contact electrode and the second contact electrode is aligned perpendicular to the central axis.

It is further provided that the first contact electrode and / or the second contact electrode have a force acting in the direction of the central axis parallel to the central axis spring force, which causes an intimate contact between the first contact electrode and the second contact electrode.

It is further provided that the first contact electrode is a spring clip composed of two arcuate spring plates, the two arcuate spring plates adjoining each other with their vertexes, while the second contact electrode is formed as an electrode plug that is connected to the lithium ion battery during assembly Motor body between the two arcuate spring plates engages to produce an electrical connection or an electrical contact between the first contact electrode and the second contact electrode.

It is further provided that the lithium-ion battery with a plurality of parallel to the central axis extending side by side, parallel to the electrode slot extending guide grooves and the motor body is provided with a plurality of guide grooves associated Führungssteckblechen, wherein during assembly of the lithium ion battery, the guide grooves and the guide plates are inserted into each other to guide the lithium ion battery.

It is further provided that the lithium-ion battery is mounted on a side surface of the engine body to avoid a Kraftstoffeinfüllöffnung the engine and a muffler air outlet opening of the engine.

It is further provided that the motor further comprises a mounting structure arrangement for fixing the lithium-ion battery to the engine body, which comprises a lithium-ion battery compartment for receiving the lithium-ion battery and a mounting bracket for fixing the lithium-ion battery compartment to the engine body, in which mounting bracket the lithium-ion battery compartment is inserted, the insertion direction of the Lithium ion battery compartment runs perpendicular to the cylinder axis of the engine body.

It is further provided that on the outside of the lithium-ion battery compartment, a slide-limiting structure is provided which cooperates with the mounting bracket to realize a sliding fit between the lithium-ion battery compartment and the mounting bracket in the direction of a straight line with a single degree of freedom, wherein the lithium-ion battery compartment and the Lock the mounting bracket in the direction of this straight line.

It is further provided that the slide-limiting structure comprises two mutually parallel and opposite elongate Begrenzungsgleitnuten, while the mounting bracket is provided with a to be latched with the lithium ion battery compartment mounting plate, the two legs engage in the two elongated Begrenzungsgleitnuten and slide in a single degree of freedom.

It is further provided that the mounting plate is provided with a detent opening, while at the rear of the lithium-ion battery compartment cooperating with the detent opening detent hook is integrally formed, which is located within a trained at the back of the lithium ion battery compartment locking hook mounting opening, wherein at the lower edge of the Detent opening is formed a flange for carrying the lithium-ion battery compartment.

It is further provided that the flare merges in its foot area with an arc section in the mounting plate.

It is further provided that it is the latching hook is a tongue-shaped latching hook, on one side surface of a triangular locking piece is provided in which two transversely juxtaposed rectangular grooves are formed so that the triangular locking piece in the thickness from top to bottom decreasing E-shaped structure forms.

It is further provided that at an upper corner of the mounting plate, a guide slope for guiding the mounting plate is formed in the elongate Begrenzungsgleitnuten.

It is further contemplated that the mounting bracket further comprises an L-shaped support plate fixedly secured to the mounting plate at the upper end, a first connection tab attached to the mounting plate, and a second connection tab attached to a lower base plate of the L-shaped support plate, both in the first connection tab and in the second connection tab, a connection hole is formed, and wherein the mounting bracket is attached to the engine body via the first connection tab and the second connection tab.

It is further provided that at the fold of the L-shaped support plate, a strip-shaped reinforcing rib is provided, and that the first connecting strap is integrally formed with the mounting plate at one side edge and extending parallel to the mounting plate, while the second connecting strap in one piece on a side edge formed of the lower base plate of the L-shaped support plate and is arranged perpendicular to the lower base plate of the L-shaped support plate.

It is further provided that in the lower region of the receiving space of the lithium-ion battery compartment a convex positioning surface is provided, which cooperates with a formed on the surface of the lithium-ion battery concave positioning to realize a positioning of the lithium ion battery.

It is further provided that the concave positioning surface comprises a first inclined surface for guiding and positioning the lithium-ion battery in the front-rear direction and a second inclined surface for guiding and positioning the lithium-ion battery in the left-right direction, while the convex positioning surface with the first inclined surface cooperating inclined surface and a cooperating with the second inclined surface inclined surface to realize a guidance and positioning of the lithium ion battery.

It is further provided that the concave positioning surface is a continuous curved surface, wherein the first inclined surface and the second inclined surface are different Parts of this continuous curvature surface are, and that the concave positioning surface is formed by the fact that a lower corner of the lithium-ion battery is incident to the inside.

It is further provided that the concave positioning surface is provided in a number of two, wherein the concave positioning surfaces are located at adjacent lower corners at the lower end of the lithium ion battery, while the convex positioning surface is formed by two adjacent lower corners of the lithium ion battery compartment bulging inward ,

It is further provided that in the upper end region of the lithium ion battery, a protruding from a side surface of the lithium ion battery Rastsperrabschnitt is formed, which is used for locking with a lithium ion battery compartment provided latching hook after inserting the lithium-ion battery into the lithium-ion battery compartment, thereby blocking or fixing the lithium-ion battery ,

It is further provided that the Rastetperrabschnitt forms a locking surface on its upper end surface and on its outer side surface a guide slope, wherein the guide slope serves to guide the latching hook of the lithium-ion battery compartment to the latching surface.

It is further provided that in the upper end region of a side surface of the lithium-ion battery, a latching tongue movably arranged and provided at the upper end of the lithium-ion battery a motion-coupled with the latching tongue pushbutton, while in the lithium-ion battery compartment a latching tongue hole is formed, wherein the latching tongue when inserting the lithium-ion battery into the lithium-ion battery compartment in the latching tongue hole engages and separates when pressing the push button of the latching tongue hole.

It is further provided that in each case a sliding groove is formed on two opposite sides of the lithium-ion battery, while a sliding strip extending into the interior of the lithium-ion battery compartment is provided on two opposite sides of the lithium-ion battery compartment, the sliding strip sliding into the lithium-ion battery compartment in the sliding groove when the lithium-ion battery is inserted.

It is further provided that both the sliding groove and the slide strip extend perpendicular to the cylinder axis.

It is further provided that a plug is provided on the back of the lithium-ion battery compartment, which can be plugged into a supply socket provided on the engine body.

The embodiments of the present utility model offer at least the following advantages and advantageous effects:

In the motor according to the embodiments of the present invention, by arranging the center axis of the lithium ion battery in parallel with the cylinder axis of the engine body, the high voltages caused by the vibrations in the direction of the main vibration axis can be made parallel to the positive and negative electrode layers of the lithium ion battery , which contributes to the reduction of deformation of the positive and negative electrode layers caused by the vibration induced stress to ensure a high adhesion force of the positive and negative electrode active substance layers. In this way, the negative effects due to vibrations on the lithium-ion battery are reduced in order to ensure proper long-term operation of the lithium-ion battery and thus a smooth start of the engine.

Presentation of the pictures

For a clearer description of the embodiments of the embodiments of the present utility model, the drawings used here are briefly presented below. It goes without saying that the drawings below are not to be regarded as limiting the scope of protection of the present utility model, but merely represent some embodiments of the present utility model. From these drawings, other drawings are derivable by those skilled in the art without any inventive step.

list of figures

• 1 a schematic representation of the separate structure of a motor according to a first embodiment of the present utility model;
• 2 a schematic representation of the overall structure of the engine according to the first embodiment of the present utility model;
• 3 a structural view of a lithium-ion battery 200 in the first embodiment of the present utility model from a view;
• 4 the enlarged section IV in 3 ;
• 5 a structural view of a lithium-ion battery compartment in the first embodiment of the present utility model from a view;
• 6 a structural view of the lithium-ion battery in the first embodiment of the present utility model from another perspective;
• 7 a structural view of the lithium-ion battery compartment in the first embodiment of the present utility model from another perspective;
• 8th a structural view of the lithium-ion battery and the lithium-ion battery compartment in the first embodiment of the present utility model in the interconnected state;
• 9 a structural view of a mounting bracket and the lithium-ion battery compartment in the first embodiment of the present utility model in the interconnected state;
• 10 a structural representation of the mounting bracket in the first embodiment of the present utility model;
• 11 a structural view of a lithium-ion battery in a second embodiment of the present utility model;
• 12 a structural view of a lithium-ion battery compartment in the second embodiment of the present utility model from a view;
• 13 a structural view of the lithium-ion battery compartment in the second embodiment of the present utility model from a wider view;
• 14 a structural view of the lithium-ion battery and the lithium-ion battery compartment in the second embodiment of the present utility model in the interconnected state.

LIST OF REFERENCE NUMBERS

010

engine

100

motor body

100a

cylinder axis

110

Fuel filler

120

Muffler exhaust vent

130

Upper hood

131

Air guide opening

132

free space

200

Lithium Ion Battery

200a

central axis

210

Electrodes slot

220

First contact electrode

221a

Arched spring plate

221b

Arched spring plate

230

guide

240

Concave positioning surface

241

First inclined surface

242

Second bevel

250

Rest blocking portion

251

Rest area

252

guide slope

260

slide groove

271

catch tongue

272

push-button

300

Lithium ion battery compartment

300a

accommodation space

310

Second contact electrode

311

plug

320

Plug-in guide plate

330

Convex positioning surface

340

latch hook

341

sloping surface

350

Longitudinal limiting sliding groove

360

latch hook

361

rectangular groove

370

Latching hook-mounting hole

380

Slide Strip

390

Catch tongue hole

400

mounting bracket

410

mounting plate

411

latching opening

412

guide slope

420

flare

430

L-shaped support plate

440

First connection tab

450

Second connection tab

460

Strip-shaped reinforcing rib

Concrete embodiments

For a better understanding of the object, the embodiments and advantages of the embodiments of the present utility model, the embodiments contained in the embodiments of the present invention will be described in the following clear and complete with reference to the accompanying drawings. Of course, the embodiments to be explained form part of all embodiments of the present utility model.

Therefore, the following detailed description of the embodiments of the present utility model is not intended to limit the scope of the present utility model, but serves only to represent some embodiments of the present utility model. Any embodiment that is derivable to those of ordinary skill in the art from the embodiments illustrated herein, without any inventive activities, falls within the scope of the present utility model.

It should be noted that the embodiments of the present utility model and the features and embodiments contained in the embodiments can be combined with each other, provided that no contradiction arises.

It should be noted that like reference numerals and letters in the drawings denote similar objects, so that an object defined in a drawing need not be further defined and explained in the subsequent drawings.

In the present description, the terms "first" and "second" should not be construed as an implicit or explicit indication of relative importance, but are merely illustrative.

First embodiment

It will open 1 and 2 Referenced, wherein 1 a structural representation of an engine 010 according to the present embodiment and 2 in a schematic representation of the overall structure of the engine 010 according to the present embodiment shows. In the present embodiment, the engine comprises 010 a motor body 100 and a lithium ion battery 200 , wherein the lithium ion battery 200 on the engine body 100 is appropriate.

Out 1 and 2 is a central axis 200a the lithium ion battery 200 to be seen parallel to the positive and negative electrode layers of the lithium-ion battery 200 runs. In 1 and 2 is also a cylinder axis 100a of the engine body 100 shown, wherein the central axis 200a the lithium ion battery 200 , as in 1 and 2 recognizable, parallel to the cylinder axis 100a of the engine body 100 is aligned.

Because the engine 010 generates irregular vibrations during operation, the main axis of oscillation of the cylinder axis 100a corresponds, may be due to the parallel arrangement of the central axis 200a the lithium ion battery 200 to the cylinder axis 100a can be achieved that caused by the vibrations in the direction of the main axis of vibration high voltages in parallel to the positive and the negative electrode layer of the lithium ion battery 200 which contributes to the reduction of deformation of the positive and negative electrode layers caused by the vibrational stresses to ensure a high adhesion force of the positive and negative electrode active substance layers. In this way, the negative effects due to vibrations on the lithium ion battery 200 diminished to a proper continuous operation of the lithium-ion battery 200 and thus ensure a smooth start of the engine.

Out 1 and 2 goes further, that in the present embodiment, the engine body 100 at the top via a fuel filler opening 110 and on a side surface via a muffler air outlet opening 120 features. Here is the lithium ion battery 200 from the fuel filler opening 110 and the muffler air outlet 120 spaced on a side surface of the engine body 100 appropriate. In detail, the engine body includes 100 an upper hood located on its upper side 130 , at the top of an air duct opening 131 is provided and the side is set back so that a free space 132 for the installation of the lithium-ion battery 200 is formed. The upper bonnet 130 is formed in cross section approximately rectangular, with the free space 132 on a side surface of the upper bonnet 130 located. The lithium ion battery 200 is different from the center line on one of the fuel filler opening 110 or the muffler air outlet opening 120 opposite side of the upper bonnet 130 appropriate. This may cause a disturbance of the air supply in the air duct opening 131 through the lithium-ion battery 200 avoided and the lithium ion battery 200 be protected from overtemperature. At the same time, due to the proper positioning of the lithium ion battery 200 one high ease of use of the lithium-ion battery and a better overall structure of the engine 010 realized.

In the present embodiment, the lithium ion battery 200 by plugging on the engine body 100 attached, wherein the insertion direction of the lithium ion battery 200 perpendicular to the central axis 200a runs. Characterized in that the insertion direction of the lithium ion battery 200 perpendicular to the central axis 200a runs, ie the vibrations in the direction of the main axis of vibration perpendicular to the direction of movement of the connector structure, a firm locking of the connector structure in the direction of the cylinder axis 100a be achieved to a caused by the vibrations in the direction of the main axis of oscillation falling out of the already mounted lithium ion battery 200 to avoid and stability of the lithium ion battery 200 after their assembly.

3 shows a structural representation of the lithium ion battery 200 in the present embodiment from a view. As it turned out 3 is at the surface of the lithium ion battery 200 an electrode slot 210 provided in a direction perpendicular to the central axis 200a extending direction extends. Here is going on 4 referenced, the enlarged section IV in 3 shows. Inside the electrode slot 210 there is a first contact electrode 220 , which is provided in the present embodiment in a number of two, wherein the two first contact electrodes 220 each within an electrode slot 210 are arranged. The first two contact electrodes 220 consist of a positive contact electrode and a negative contact electrode. On the engine body 100 is a second contact electrode 310 (shown in 5 ) formed in the electrode slot 210 can be inserted and the first contact electrode 220 can electrically contact. The second contact electrode 310 Isoelectric with a start-up motor (not shown) of the engine 010 connected. In addition, the second contact electrode 310 and the first contact electrode 220 uniquely associated with each other, wherein the contact surface between the first contact electrode 220 and the second contact electrode 310 perpendicular to the central axis 200a is aligned. This means that the contact area between the first contact electrode 220 and the second contact electrode 310 extends perpendicular to the main axis of vibration and undergoes a higher vibration intensity in the vertical direction to remove the located on the contact surface oxide layer and rust layer by vibration and thus an effective electrical connection between the first contact electrode 220 and the second contact electrode 310 sure. In this way, the contact resistance is reduced and ensures a stable starting voltage for the engine body 100.

In the present embodiment, the first contact electrode 220 and / or the second contact electrode 310 further, one in the direction of the central axis 200a acting spring force, the intimate contact between the first contact electrode 220 and the second contact electrode 310 causes. This spring force can from one to the first contact electrode 220 and / or the second contact electrode 310 acting external spring element or from the first contact electrode 220 and / or the second contact electrode 310 itself provided to the oscillation amplitude of the first contact electrode 220 and the second contact electrode 310 to increase and improve the ability to remove adhering substances at the contact surface. At the same time, a reliable contact between the first contact electrode 220 and the second contact electrode 310 in the oscillating state and a smooth production of the electrical connection ensured.

In the present exemplary embodiment, it is provided in particular that the first contact electrode 220 even has a spring force. As in 4 is shown, it is at the first contact electrode 220 around one of two bow-shaped spring plates 221a and 221b existing spring clip, wherein the two arcuate spring plates adjoin each other with their vertices close together. On the other hand, the second contact electrode 310 formed as a strip-shaped electrode plug-in, which during assembly of the lithium-ion battery 200 to the engine body 100 between the arcuate spring plate 221a and the bow-shaped spring plate 221b engages to an electrical connection between the first contact electrode 220 and the second contact electrode 310 manufacture. In this case, one end of the arcuate spring plate on an inner side wall of the electrode slot 210 fastened while the other end is formed as a movable free end. Of course, it is also conceivable in the two opposite inner side walls of the electrode slot 210 each provide a clearance (not shown) for the associated arcuate spring plate, in which the movable free end of the arcuate spring plate partially engages. Thus, the arcuate spring plate can move in the loaded state with its movable free end in the franking, which proves to be advantageous for the vibration of the arcuate spring plate. The structure described above is easy to assemble and enables a stable electrical connection or a stable electrical contact, without causing electrical sparks.

In the present embodiment, the lithium ion battery 200 further with a plurality in the direction of the central axis 200a arranged side by side, parallel to the electrode slot 210 extending guide grooves 230 and the engine body 100 with several guide grooves 230 associated guide plates 320 (shown in 5 ), wherein during assembly of the lithium-ion battery 200 the guide grooves 230 and the guide plates 320 are inserted into each other to guide the lithium ion battery. By providing the guide plates 320 and the guide grooves 230 , which guide grooves 230 between the two electrode slots 210 will be mounting the lithium ion battery 200 facilitated. At the same time, the load on the second contact electrode becomes 310 during installation of the lithium-ion battery 200 reduces and wedging the second contact electrode 310 during assembly of the lithium-ion battery 200 and associated damage is avoided. Through the interaction of guide plate 320 and guide groove 230 can lock the lithium ion battery 200 with respect to the guide plate 320 in the direction of the central axis 200a be achieved.

In the present embodiment, the engine comprises 010 In addition, a mounting structure for attaching the lithium-ion battery 200 on the engine body 100, which is a lithium-ion battery compartment 300 includes. Here is going on 5 Reference is made to a structural representation of the lithium ion battery compartment 300 from a point of view. The lithium ion battery compartment 300 serves to accommodate the lithium-ion battery 200 to the lithium ion battery 200 stable to fix and protect against surface damage, which increases the mounting stability of the lithium-ion battery 200 contributes. The lithium ion battery compartment 300 has an upwardly open receiving space 300a in which the lithium ion battery 200 is inserted from top to bottom to be fixed in the lithium ion battery compartment 300. The second contact electrode 310 and the guide plate 320 are in the recording room 300a , wherein when inserting the lithium-ion battery 200 in the recording room 300a the second contact electrode 310 with the first contact electrode 220 and the guide plate 320 with the guide groove 230 interacts.

6 shows a structural representation of the lithium ion battery 200 in the present embodiment from a further point of view. In the present embodiment is in the lower region of the receiving space 300a of the lithium ion battery compartment 300 , like out 5 and 6 can be seen, a convex positioning 330 provided with an on the surface of the lithium ion battery 200 trained concave positioning surface 240 cooperates to position the lithium ion battery 200 to realize. In this case, the concave positioning 240 one at the bottom of the lithium ion battery 200 formed, inwardly curved surface or one in the lower end of a side surface of the lithium-ion battery 200 be formed inclined surface, as far as with this as a locking surface positioning of the lithium-ion battery 200 inside the lithium ion battery compartment 300 can be achieved. The convex positioning surface is corresponding 330 in the mold on the concave positioning surface 240 Voted. That is, for example, formed as an inclined surface concave positioning 240 is the convex positioning surface 330 also formed by an inclined surface.

When plugging in the lithium-ion battery 200 from top to bottom into the lithium ion battery compartment 300 act the concave positioning 240 and the convex positioning surface 330 together so that the lithium ion battery 200 using the inner sidewalls of the lithium-ion battery compartment 300 can be locked in the horizontal direction. In this way, a fluctuation of the lithium ion battery 200 excluded after their installation or attachment. The through a depression of the surface of the lithium ion battery 200 resulting concave positioning surface 240 It is simple and easy to manufacture and can ensure stable positioning and control accuracy.

In the present embodiment, the concave positioning surface comprises 240 a first inclined surface 241 for guiding and positioning the lithium-ion battery 200 in the front-to-back direction and a second inclined surface 242 for guiding and positioning the lithium-ion battery 200 in the left-right direction, while the convex positioning surface 330 with one with the first inclined surface 241 co-operating inclined surface and one with the second inclined surface 242 cooperating inclined surface is provided, wherein the first inclined surface 241 and the second inclined surface 242 independent flat or curved surfaces can be. In the present embodiment, the concave positioning surface 240 around a continuous curvature surface, wherein the first inclined surface 241 and the second inclined surface 242 are different parts of this continuous curvature surface. In particular, the concave positioning surface is created 240 in that a lower corner of the lithium ion battery 200 incident. Because of the concave positioning surface 240 in the form of a continuous curvature surface by collapsing a lower corner of the lithium-ion battery 200 arises, can at the same time with good positioning of the lithium ion battery 200 the available volume of Lithium Ion Battery 200 be kept as high as possible to ensure high electrical performance of the lithium ion battery 200 sure.

In the present embodiment, the concave positioning surface 240 provided in a number of two, wherein the two concave positioning surfaces at two adjacent lower corners at the lower end of the lithium-ion battery 200 are located. On the other hand arise with the concave positioning surfaces 240 corresponding two convex positioning surfaces 330 in that the associated corners of the lithium-ion battery compartment 300 arch inside. The two concave positioning surfaces act here 240 and the two convex positioning surfaces 330 together to the lithium ion battery 200 in the left-right direction, thereby improving the positioning stability of the lithium-ion battery 200 further increased and the assembly and disassembly is simplified.

It will open 7 and 8th referenced, wherein 7 a structural representation of the lithium ion battery compartment 300 in the present embodiment from a further view and 8th a structural representation of the lithium ion battery 200 and the lithium ion battery compartment 300 show in the present embodiment in the interconnected state. As it turned out 6 . 7 and 8th is in the upper end of the lithium ion battery 200 a latching portion projecting outward from a side surface of the lithium-ion battery perpendicular to this side surface 250 formed while at the upper end of the lithium-ion battery compartment 300 a latching hook 340 is provided. Here is the locking block section 250 for locking with the latching hook 340 after plugging in the lithium-ion battery 200 into the lithium ion battery compartment 300 to thereby the lithium ion battery 200 to lock or fix. Such fixation of the lithium ion battery 200 by latching in the lithium ion battery compartment 300 is easy to perform and offers high assembly efficiency. With an upwardly open recording room 300a Not only can a reliable attachment of the lithium ion battery 200 achieved, but also the cooling of the lithium-ion battery 200 be improved.

In the present embodiment forms the latching block section 250 furthermore at its upper end surface a latching surface 251 and on its outer side surface a guide slope 252 from, wherein the guide slope with a on the latch hook 340 trained bevel 341 cooperates to the latch hook 340 of the lithium ion battery compartment 300 up to the locking surface 251 respectively. It is understood that the latching section 250 on the same side as the two concave positioning surfaces 240 is located between the lithium ion battery 200 and the inner wall of the lithium ion battery compartment 300 to create a stable game. The lithium ion battery 200 is subject to a downwardly acting blocking force and by means of one of the fit between the concave positioning surface 240 and the convex positioning surface 330 resulting compressive force in combination with one between the lithium ion battery 200 and the side wall of the lithium ion battery compartment 300 fixed existing pressure force.

In the present embodiment, the mounting structure for fixing the lithium-ion battery comprises 200 on the engine body 100 in addition a mounting bracket 400 , It will open 9 and 10 Referenced, wherein 9 a structural representation of the mounting bracket 400 and the lithium ion battery compartment 300 in the present embodiment in the interconnected state and 10 a structural representation of the mounting bracket 400 show in the present embodiment. As shown, the lithium ion battery compartment is 300 with the help of the mounting bracket 400 on the engine body 100 attached. This is the lithium ion battery compartment 300 by plugging in the mounting bracket 400 attached, wherein the insertion direction of the lithium-ion battery compartment 300 perpendicular to the cylinder axis 100a runs. Characterized in that the insertion direction of the lithium-ion battery compartment 300 perpendicular to the cylinder axis 100a runs, ie the vibrations in the direction of the main axis of vibration perpendicular to the extension direction of the connector structure, a firm locking of the connector structure in the direction of the cylinder axis 100a (ie, in the direction of the main axis of oscillation) can be achieved to drop out of the already mounted lithium ion battery compartment caused by the vibrations in the direction of the main axis of oscillation 300 to avoid and stability of lithium ion battery compartment 300 to ensure after its assembly. Between the lithium ion battery compartment 300 and the mounting bracket 400 Of course, a known locking mechanism may be present, which will not be discussed in detail at this point.

On the outside of the lithium-ion battery compartment 300 a slide-limiting structure is provided with the mounting bracket 400 cooperates to provide a sliding fit between the lithium-ion battery compartment 300 and the mounting bracket 400 in the direction of a straight line with a single degree of freedom, the lithium ion battery compartment 300 and the mounting bracket 400 in the direction of this straight line lock together. The sliding restriction structure may be one on the surface of the lithium ion battery compartment 300 trained dovetail groove or one at the Surface of the lithium-ion battery compartment arranged, cross-sectionally dovetail-shaped boundary slide, while the mounting bracket 400 is provided with a cross-sectionally dovetail-shaped boundary slide or a dovetail groove. The interaction of the limiting slide and the dovetail groove provides a sliding fit between the lithium-ion battery compartment 300 and the mounting bracket 400 generated in the direction of a straight line with a single degree of freedom. Of course, the sliding fit with a single degree of freedom can also be accomplished with the help of differently shaped limiting pieces and limiting grooves. Such a slide limiting structure may advantageously have the relative degrees of freedom of movement of the lithium ion battery compartment 300 reduce and the attachment stability of lithium ion battery compartment 300 increase considerably, is simple and can simplify the assembly.

In the present embodiment, the sliding restriction structure includes, as in FIG 7 . 9 and 10 recognizable, two mutually parallel and opposite elongate Begrenzungsgleitnuten 350 , By contrast, the mounting bracket 400 with one with the lithium ion battery compartment 300 to be locked mounting plate 410 provided, the two legs in the two elongated Begrenzungsgleitnuten 350 engage and slide in with a single degree of freedom. Here, the width of the mounting plate 410 equal to or slightly larger than the distance between the two elongate Begrenzungsgleitnuten 350 be, with the help of the elongated Begrenzungsgleitnuten 350 a clamping force on the mounting plate 410 exercise. In this way, a stable attachment ensures and a guide of the mounting plate 410 along the lithium ion battery compartment 300 be realized to facilitate assembly.

In the present embodiment is in the mounting plate 410 a detent opening 411 trained and attached to the lithium ion battery compartment 300 a latching hook 360 provided, wherein the latch hook 360 inside one at the back of the lithium-ion battery compartment 300 trained snap hook mounting hole 370 is arranged and with an edge of the detent opening 411 can interact. At the lower edge of the latching opening 411 is a flare 420 for carrying the lithium ion battery compartment 300 educated. At the detent opening 411 it can be a rectangular opening. The latching hook 360 engages at the upper edge of the detent opening 411 at. The at the lower edge of the detent opening 411 trained to carry the lithium ion battery compartment 300 serving flare 420 is simple and easy to manufacture, using the latching hook 360 and the hemming 420 a reliable and stable attachment of the lithium-ion battery compartment 300 can be reached from above or from below. In addition, the crimp 420 may be provided by providing an upwardly acting spring force with the latch hook 360 on the lithium ion battery compartment 300 cooperate to a permanent stable fixation of the lithium ion battery compartment 300 in the length direction of the elongate limit sliding grooves 350 to realize and at the same time to dampen vibrations. With the snap hook mounting opening 370 becomes the cooling of the lithium ion battery compartment 300 supported.

In the present embodiment, the flare 420 in his foot area with an arc section in the mounting plate 410 over, which helps to increase the elastic deformability of the hemming 420 contributes and a firm fixation of the lithium ion battery compartment 300 ensures.

In the present embodiment, the latching hook is 360 to a tongue-shaped latching hook, on whose side surface a triangular locking piece is provided. In the triangular locking piece are two transversely arranged side by side rectangular grooves 361 formed so that the triangular locking piece forms a decreasing in thickness from top to bottom E-shaped structure. This allows the flexibility of the latching hook 360 improves and a bending of the foot portion of the latching hook 360 be guaranteed in the loaded state, to ensure a long life of the latching hook 360 sure.

In the present embodiment is at an upper corner of the mounting plate 410 a guide slope 412 for guiding the mounting plate 410 in the oblong Begrenzungsgleitnuten 350 educated. With the help of such a guide slope 412 , which is simple and easy to machine, can the mounting plate 410 and the elongate boundary sliding grooves 350 Interlock with one another at a higher speed, which increases the assembly efficiency.

In the present embodiment, the mounting bracket comprises 400 Further, an L-shaped support plate 430 at the top end with the mounting plate 410 firmly connected, one on the mounting plate 410 attached first connecting strap 440 and one on a lower base plate of the L-shaped support plate 430 attached second connecting strap 450 , It is both in the first connection tab 440 as well as in the second connecting strap 450 formed a connection hole. The mounting bracket 400 is about the first connection tab 440 and the second connection tab 450 , in particular by means of bolts, each through the connecting hole in the first connecting tab 440 or in the second connecting strap 450 reach through, on the engine body 100 attached.

In the present embodiment, at the fold of the L-shaped support plate 430 is a strip-shaped reinforcing rib 460 intended. Furthermore, the first connecting strap 440 one-piece with the mounting plate 410 formed on one side edge and extends parallel to the mounting plate 410, while the second connecting tab 450 in one piece on a side edge of the lower base plate of the L-shaped support plate 430 formed and perpendicular to the lower base plate of the L-shaped support plate 430 is arranged.

Second embodiment

Also, the present embodiment provides a motor which is substantially the same as the motor 010 described in the first embodiment, and different from it by the lithium-ion battery and the lithium-ion battery compartment.

11 shows a structural representation of a lithium ion battery 200 in the present embodiment. As 11 can be seen, is in the present embodiment on both sides of the lithium ion battery 200 each a sliding groove 260 , wherein the sliding grooves 260 on both sides of the lithium-ion battery 200 are aligned parallel to each other. In the upper end of a side surface of the lithium ion battery 200 is a latching tongue 271 movably disposed with respect to the side surface of the lithium-ion battery 200 designed to extend and retract. Here is the catch tongue 271 in the extended state of the side surface of the lithium-ion battery 200 before and is in the retracted state within the lithium ion battery 200 added. At the upper end of the lithium-ion battery 200 is still a push button 272 provided with the latching tongue 271 is motion coupled, so that the latching tongue 271 with pressed button 272 in the lithium ion battery 200 retracts and unpressurized push button 272 or in the initial position of the push button 272 extends and thus from the side surface of the lithium-ion battery 200 protrudes.

It will open 12 and 13 referenced, wherein 12 a structural representation of a lithium ion battery compartment 300 in the present embodiment from a view and 13 a structural view of the lithium-ion battery compartment 300 in the present embodiment from a further view shows. In the present embodiment is on two opposite sides of the lithium-ion battery compartment 300 , as in 12 and 13 one each into the interior of the lithium-ion battery compartment 300 extending sliding strip 380 provided, wherein the wear strips 380 on the two opposite sides of the lithium-ion battery compartment 300 are aligned parallel to each other. In the lithium ion battery compartment 300 is a locking tongue hole 390 educated.

14 shows a structural representation of the lithium ion battery 200 and the lithium ion battery compartment 300 in the present embodiment in the interconnected state. Out 14 will be apparent that for mounting the lithium ion battery 200 this from the open top of the lithium ion battery compartment 300 into the lithium-ion battery compartment 300 is inserted. During the insertion process slides slide 380 in the sliding groove 260 to the lithium ion battery 200 to lead and thus a smooth insertion of lithium-ion battery 200 into the lithium ion battery compartment 300 to enable. Through the interaction of sliding strip 380 and sliding groove 260 At the same time, a single-degree-of-freedom sliding fit is realized, thereby reducing the relative degrees of freedom of movement of the lithium-ion battery 200 and an increase in the attachment stability of the lithium ion battery 200 can be achieved. Moreover, both the sliding strip extend 380 as well as the sliding groove 260 perpendicular to the cylinder axis 100a , so that the vibrations in the direction of the main axis of oscillation perpendicular to the direction of sliding fit between sliding strip 380 and sliding groove 260 take place to a caused by the vibrations in the direction of the main axis of oscillation falling out of the already mounted lithium ion battery 200 to avoid and stability of the lithium ion battery 200 after their assembly.

When plugging in the lithium-ion battery 200 into the lithium ion battery compartment 300 can the push button 272 be pressed so that the latching tongue 271 in the lithium ion battery 200 enters to plug in the lithium-ion battery 200 into the lithium ion battery compartment 300 to simplify. After the lithium ion battery 200 completely into the lithium ion battery compartment 300 has been inserted, the push button is 272 let go, so that the latching tongue 271 extends and into the locking tongue hole 390 intervenes. By engaging in the locking tongue hole 390 can be the lithium ion battery 200 in the direction of the sliding fit between the sliding strip 380 and sliding groove 260 lock and thus against falling out of the lithium ion battery compartment 300 protect. To remove the lithium ion battery 200 becomes the push button 272 pressed so that the latching tongue 271 from the latch hole 390 separates to the lithium ion battery 200 from the lithium ion battery compartment 300 to be able to take out.

In addition to this is at the back of the lithium ion battery compartment 300 one with the second contact electrode 310 electrically connected plug 311 provided with the lithium ion battery compartment 300 in a simple way in one on the engine body 100 provided supply socket can be inserted to the electrical energy from the lithium ion battery 200 into the engine body 100 to initiate.

It is obvious that the above-described embodiments of the present invention do not limit the embodiments of the present invention, which are not exhaustive, but are merely illustrative of the examples of the present invention. It will be apparent to one of ordinary skill in the art that other variations or modifications can be derived from the above description. Any change, equivalent substitution or improvement, which does not deviate from the basic ideas of the present utility model, is included within the scope of the claims of the present utility model.

Industrial Applicability

In the motor according to the embodiments of the present invention, by arranging the center axis of the lithium ion battery unit in parallel with the cylinder axis of the engine body, the high voltages caused by the vibrations in the direction of the main vibration axis can be made parallel to the positive and negative electrode layers of the lithium ion battery , which contributes to the reduction of deformation of the positive and negative electrode layers caused by the vibration induced stress to ensure a high adhesion force of the positive and negative electrode active substance layers. In this way, the negative effects due to vibrations on the lithium-ion battery are reduced in order to ensure proper long-term operation of the lithium-ion battery and thus a smooth start of the engine.

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• CN 201710267316 [0001]
• CN 201720429588 [0001]
• CN 201720438930 [0001]

Claims (26)

Engine, characterized in that it comprises an engine body to which a lithium-ion battery for the engine is mounted, the central axis of which runs parallel to a cylinder axis of the engine body. Engine after Claim 1 , characterized in that the lithium-ion battery is attached by plugging on the motor body, wherein the insertion direction of the lithium-ion battery is perpendicular to the central axis. Engine after Claim 2 , characterized in that on the lithium-ion battery, an electrode slot is provided, which extends in a direction perpendicular to the central axis direction, wherein within the electrode slot is a first contact electrode, while on the motor body, a second contact electrode is formed, which are inserted into the electrode slot and the first contact electrode can electrically contact, wherein the contact surface between the first contact electrode and the second contact electrode is aligned perpendicular to the central axis. Engine after Claim 3 , characterized in that the first contact electrode and / or the second contact electrode have a force acting in the direction of the central axis parallel to the central axis spring force, which causes an intimate contact between the first contact electrode and the second contact electrode. Engine after Claim 4 characterized in that the first contact electrode is a spring clip consisting of two arcuate spring plates, the two arcuate spring plates adjoining each other with their vertexes, while the second contact electrode is formed as an electrode plug plate, which during assembly of the lithium ion battery to the Motor body between the two arcuate spring plates engages to produce an electrical connection or an electrical contact between the first contact electrode and the second contact electrode. Engine after one of the Claims 3 to 5 , characterized in that the lithium ion battery with a plurality of parallel to the central axis extending side by side, extending parallel to the electrode slot extending guide grooves and the motor body is provided with a plurality of guide grooves associated Führungssteckblechen, wherein during assembly of the lithium ion battery, the guide grooves and the guide plates into one another be plugged to run the lithium-ion battery. Engine after one of the Claims 1 to 6 characterized in that the lithium ion battery is mounted on a side surface of the engine body to evade a fuel fill port of the engine and a muffler air exit port of the engine. Engine after one of the Claims 1 to 6 characterized in that it further comprises a mounting structure assembly for mounting the lithium ion battery to the engine body comprising a lithium ion battery compartment for receiving the lithium ion battery and a mounting bracket for attaching the lithium ion battery compartment to the engine body in which mounting bracket the lithium ion battery compartment is inserted, the insertion direction of the lithium ion battery compartment runs perpendicular to the cylinder axis of the engine body. Engine after Claim 8 characterized in that on the outside of the lithium ion battery compartment is provided a slide delimiting structure which cooperates with the mounting bracket to realize a sliding fit between the lithium ion battery compartment and the mounting bracket in the direction of a straight line with a single degree of freedom, the lithium ion battery compartment and Lock the mounting bracket in the direction of this straight line. Engine after Claim 9 characterized in that the slide delimiting structure comprises two mutually parallel and opposed elongate limiting slide grooves, while the mounting bracket is provided with a mounting plate to be latched to the lithium ion battery compartment, the two legs of which engage in the two elongated limiting slide grooves and slide therein with a single degree of freedom. Engine after Claim 10 , characterized in that the fastening plate is provided with a detent opening, while at the rear of the lithium ion battery compartment a cooperating with the detent opening detent hook is integrally formed, which is located within a formed on the back of the lithium ion battery compartment locking hook mounting opening, wherein at the lower edge of the Detent opening is formed a flange for carrying the lithium-ion battery compartment. Engine after Claim 11 , characterized in that the flare merges in its foot area with an arc section in the mounting plate. Engine after Claim 11 , characterized in that it is the latching hook is a tongue-shaped latching hook, provided on one side surface of a triangular locking piece is formed in which two transversely juxtaposed rectangular grooves are formed so that the triangular locking piece forms a decreasing in thickness from top to bottom E-shaped structure. Engine after Claim 10 , characterized in that at an upper corner of the mounting plate, a guide slope for guiding the mounting plate is formed in the elongate Begrenzungsgleitnuten. Engine after Claim 10 characterized in that the mounting bracket further comprises an L-shaped support plate fixedly secured to the mounting plate at the upper end, a first connection tab attached to the mounting plate, and a second connection tab attached to a lower base plate of the L-shaped support plate, both in the first connection tab and in the second connection tab, a connection hole is formed, and wherein the mounting bracket is attached to the engine body via the first connection tab and the second connection tab. Engine after Claim 15 , characterized in that at the fold of the L-shaped support plate, a strip-shaped reinforcing rib is provided, and that the first connecting strap is integrally formed with the mounting plate on one side edge and extending parallel to the mounting plate, while the second connecting strap in one piece on a side edge formed of the lower base plate of the L-shaped support plate and is arranged perpendicular to the lower base plate of the L-shaped support plate. Engine after one of the Claims 8 to 16 , characterized in that in the lower region of the receiving space of the lithium-ion battery compartment, a convex positioning surface is provided, which cooperates with a formed on the surface of the lithium-ion battery concave positioning to realize a positioning of the lithium-ion battery. Engine after Claim 17 characterized in that the concave positioning surface comprises a first inclined surface for guiding and positioning the lithium-ion battery in the front-rear direction and a second inclined surface for guiding and positioning the lithium-ion battery in the left-right direction, while the convex positioning surface is one with the first inclined surface cooperating inclined surface and a cooperating with the second inclined surface inclined surface to realize a guidance and positioning of the lithium ion battery. Engine after Claim 18 characterized in that the concave positioning surface is a continuous curvature surface, wherein the first inclined surface and the second inclined surface are different parts of this continuous curvature surface, and the concave positioning surface is formed by a lower corner of the lithium ion battery being internally incident. Engine after Claim 19 characterized in that the concave positioning surface is provided in a number of two, the concave positioning surfaces being located at adjacent lower corners at the lower end of the lithium ion battery, while the convex positioning surface is formed by two adjacent lower corners of the lithium ion battery compartment arching inwardly , Engine after Claim 17 characterized in that in the upper end region of the lithium-ion battery, a protruding from a side surface of the lithium-ion battery Rastsperrabschnitt is formed, which is used for locking with a lithium ion battery compartment provided latching hook after inserting the lithium-ion battery into the lithium-ion battery compartment, thereby blocking or fixing the lithium-ion battery , Engine after Claim 21 , characterized in that the Rastetperrabschnitt forms on its upper end surface a latching surface and on its outer side surface a guide slope, wherein the guide slope serves to guide the latching hook of the lithium-ion battery compartment up to the latching surface. Engine after one of the Claims 8 to 16 characterized in that in the upper end region of a side surface of the lithium ion battery, a latching tongue movably disposed and at the upper end of the lithium ion battery a motion-coupled with the latching tongue push button is provided, while in the lithium ion battery compartment a latching tongue hole is formed, wherein the latching tongue when inserting the lithium ion battery into the lithium ion battery compartment in the latching tongue hole engages and separates when pressing the push button of the latching tongue hole. Engine after one of the Claims 8 to 16 , characterized in that in each case a sliding groove is formed on two opposite sides of the lithium-ion battery, while a sliding strip extending into the interior of the lithium-ion battery compartment is provided on two opposite sides of the lithium-ion battery compartment, wherein the sliding strip slides into the sliding slot when the lithium-ion battery compartment is inserted into the lithium-ion battery compartment. Engine after Claim 24 , characterized in that both the sliding groove and the slide bar extend perpendicular to the cylinder axis. Engine after one of the Claims 8 to 16 , characterized in that on the back of the lithium-ion battery compartment, a plug is provided which can be inserted into a supply socket provided on the engine body.

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