阅读说明：本技术 排气阀驱动 (Exhaust valve driving ) 是由 艾格纳·约翰内斯 于 2019-05-23 设计创作，主要内容包括：本发明涉及一种用于内燃机的排气阀驱动,其包括具有中心轴线的驱动轴、与所述驱动轴间接连接且具有中心轴线的排气阀轴、以及设计作为弹簧的耦合元件,其中所述耦合元件具有旋转地固定到所述驱动轴上的第一端部,其中所述驱动轴具有安装所述第一端部的接收区域,其中所述耦合元件另外还具有第二端部,所述第二端部通过耦合构件旋转地固定到所述排气阀轴上,所述耦合构件具有至少第一支架,其中：a)所述耦合元件的第一端部能够沿着绕所述中心轴线的圆周方向抵靠在所述第一支架上；或者所述驱动轴除了包括所述接收区域之外,还具有至少第一止挡件,所述第一止挡件能够沿着绕所述中心轴线的圆周方向抵靠在所述第一支架上。(The present invention relates to a kind of exhaust valve drivings for internal combustion engine, it includes the drive shaft with central axis, the exhaust valve spindle of central axis is indirectly connected with and had with the drive shaft, and it is configured as the coupling element of spring, wherein the coupling element has the first end being rotationally fixed in the drive shaft, wherein the drive shaft has the receiving area for installing the first end, wherein in addition the coupling element also has the second end, the second end is rotationally fixed on the exhaust valve spindle by coupling component, the coupling component has at least first support, wherein: a) first end of the coupling element can be resisted against in the first support along around the circumferencial direction of the central axis；Or the drive shaft also has at least the first stop part other than including the receiving area, first stop part can be resisted against in the first support along around the circumferencial direction of the central axis.)

1. a kind of exhaust valve for internal combustion engine drives (1), the exhaust valve driving (1) includes the driving with central axis m Axis (1.1), be indirectly connected with the drive shaft (1.1) and with central axis k exhaust valve spindle (1.2) and be configured as The coupling element (2) of spring, wherein the coupling element (2) has first be rotationally fixed on the drive shaft (1.1) End E1, wherein the drive shaft (1.1) has the receiving area (3) for installing the first end E1, wherein the coupling is first In addition also there is part (2) the second end E2, the second end E2 to be rotationally fixed to the exhaust valve by coupling component (4) On axis (1.2), which is characterized in that

The coupling component (4) has at least first support (4.4) and the second support positioned at the other side central axis k (4.5), in which:

A) the first end E1 of the coupling element (2) can be resisted against institute along the circumferencial direction Ru around the central axis m It states on first support (4.4) and is resisted against on the second support (4.5)；Or

B) drive shaft (1.1) in addition to include the receiving area (3) other than, also have at least the first stop part (3.1) with And second stop part (3.2), first stop part (3.1) and second stop part (3.2) can be along around the centers The circumferencial direction Ru of axis m is resisted against in the first support (4.4) and the second support (4.5)；In the drive shaft (1.1) in the state of non-loaded, along the circumferential direction Ru by a protrusion is resisted against the end E1 to the first support (4.4) Above or it is resisted against on first stop part (3.1).

2. exhaust valve according to claim 1 drives (1), which is characterized in that the first support (4.4) is designed as having The pin of first end (4.4a) and second end (4.4b), wherein the pin is fixed to the coupling structure by the first end (4.4a) On part (4), and the pin can by the second end (4.4b) along around the central axis m circumferencial direction Ru and institute It states first end E1 or first stop part (3.1) leans.

3. exhaust valve according to claim 1 or 2 drives (1), which is characterized in that the first support (4.4) relative to The central axis m extends；The first support (4.4) extends since the coupling component (4), until the first end The height of E1 or height until first stop part (3.1).

4. exhaust valve according to any one of the preceding claims drives (1), which is characterized in that the first end E1 with Between the first support (4.4) or the contact between first stop part (3.1) and the first support (4.4), relatively In circumferencial direction Ru, occur to transport during the closing movement of the drive shaft (1.1) or in the opening of the drive shaft (1.1) During dynamic.

5. exhaust valve according to any one of the preceding claims drives (1), which is characterized in that the coupling component (4) There is shape on the axial direction relative to the central axis k and on circumferencial direction Ru with the second end E2 The connection matched.

Technical field

The present invention relates to a kind of exhaust valve drivings for internal combustion engine comprising drive shaft and institute with central axis m It states drive shaft to be indirectly connected with and have the exhaust valve spindle of central axis k and be configured as the coupling element of spring, wherein described Coupling element has the first end E1 that is rotationally fixed in the drive shaft, wherein the drive shaft, which has, installs described the The receiving area of one end E1, wherein in addition the coupling element also there is the second end E2, the second end E2 to pass through coupling Component is closed to be rotationally fixed on the exhaust valve spindle.

Background technique

10 2,014 118 492A1 of DE has been discovered that a kind of exhaust valve for internal combustion engine drives comprising driving Axis, the exhaust valve spindle being indirectly connected with drive shaft and the coupling element for being configured as spring, wherein coupling element connection driving Axis and exhaust valve spindle.Coupling element has the first end E1 being rotationally fixed in drive shaft, and wherein drive shaft has installation The receiving area of the first end E1, wherein in addition coupling element also there is the second end E2, the second end E2 to pass through coupling Component is closed to be rotationally fixed on exhaust valve spindle.The coupling component and the second end E2 are in the axial direction and circumference side There is the matched connection of shape on Ru.

Summary of the invention

The purpose for constituting present invention basis is to be designed and arranged a kind of exhaust valve driving, be can be realized more preferable to exhaust valve spindle Positioning.

The purpose of the present invention is accomplished by the following way, and wherein coupling component has at least first support and is located at center The second support of the other side axis k, in which:

A) the first end E1 of the coupling element can be resisted against institute along the circumferencial direction Ru around the central axis m It states in first support and is resisted against in the second support；Or

B) drive shaft also has at least the first stop part and the second backstop other than including the receiving area Part, first stop part and second stop part can be resisted against institute along the circumferencial direction Ru around the central axis m It states in first support and the second support；In the state that the drive shaft is non-loaded, the first support is circumferentially square It is resisted against on the end E1 or is resisted against on first stop part by a protrusion to Ru.

It is thus achieved that at least along the circumferential direction Ru, at least one first support can stick in the region of retainer On end E1 or stop part.Therefore, force flow is directed on end E1 or stop part from drive shaft and from end E1 or stop part It is directed in first support and is directed on coupling component from first support.In this regard, coupling element relates to other than the E1 of end And force flow.Avoid regulation loss.That is the mechanical short circuit between end E1 or stop part and coupling component is realized, at it Involved in coupling element elasticity.This can be advantageous when being vented valve opening movement or closing motion, because of the limit of exhaust valve It is desired for determining state.At least one first support and connection between bracket and coupling component are compared to being configured to spring Coupling element is rigid.

Can also be advantageously, first support be configured to pin, with first end and the second end to this, wherein pin with Its first end is fixed on coupling component and can be sticked on its second end along the circumferential direction relative to central axis m On end E1 or the first stop part.It may be implemented in by using pin simple and mechanical between end E1 or stop part and coupling element Coupling.In this regard, elasticity relevant to pin moves in the general range of this metallics.Its elasticity compared to coupling element It is insignificant in the meaning of distorting stress when transmitting the driving force of drive shaft.Thus simple realization drive shaft or connection In the sufficiently accurate of exhaust valve wherein and the position that can limit.

It furthermore can be advantageously, first support extends up to end E1 about central axis m since coupling component The height of height or stop part.It realizes thus, bracket can stick on along circumferential direction on the E1 of end or Ru is pasted along circumferential direction It leans against on stop part, to bear and transmit the driving force of drive shaft.Consider bracket it is axially extending when do not consider end E2。

It can also be the pass that reclines advantageously, between end E1 and first support or between stop part and first support In circumferential direction Ru drive shaft closing motion or drive shaft open movement when carry out.Therefore, on the one hand end E1 or The only realization when drive shaft moves clockwise or counterclockwise that reclines between stop part and another aspect bracket.About corresponding Other direction carries out power transmitting via coupling element itself with elastic type, thus under the torque load with coupling element Ru is acted on using spring along circumferential direction.

This can be advantageously arranged to, in the no load condition lower bracket of drive shaft, Ru sticks on end E1 along circumferential direction On upper or stop part.It therefore ensures that, the rotational motion of drive shaft being limited directly passes through end E1 or stop part is transmitted to On bracket.Idle running or gap are just avoided in this respect.Reclining between end E1 or stop part and another aspect bracket on the one hand It can be pre-tightened by application to enhance.Pair on from drive shaft to coupling component is realized by using a pair of brackets or a pair of of stop part Claim power transmitting.The portion of this end E1 especially stretched out from the retainer of drive shaft in the two sides of radial direction in this context Point or end, it is opposite with drive shaft and can stick on corresponding bracket with setting.

It can be for particularly advantageously, at least one second support or work be arranged in the supplement as first support for the present invention For the supplement of the first stop part, at least one second stop part is set.The bracket set by using a pair of opposite, bracket effect It is opposite and on the section set or it is a pair of opposite and on the stop part set, realize symmetrical force flow.

Furthermore can be advantageously, coupling component and the second end E2 on the axial direction relative to central axis k simultaneously And in circumferential direction there is shape to be cooperatively connected.Therefore, in order to install exhaust valve, coupling component and the second end E2 are solid each other Fixed coupling.

Detailed description of the invention

Others advantage and details of the invention, are illustrated in the claims and specification and are shown in the accompanying drawings. In attached drawing:

Fig. 1 a shows the schematic diagram with motor row air valve and the exhaust valve driving for being vented valve passage；

Fig. 1 b shows the detail view of driving assembly；

Fig. 1 c shows the detail view of alternative driving assembly；

Fig. 2 a shows the structural unit including coupling element and coupling component；

Fig. 2 b shows the perspective view of the structural unit including coupling element and coupling component；

Fig. 3 shows the top view of coupling component.

Specific embodiment

There is exhaust valve driving 1,1 packet of exhaust valve driving in the mounting assembly of drain tap form shown in Fig. 1 Motor 5 and exhaust valve passage 7 with motor shaft 1.1 are included, is equipped with the exhaust including exhaust valve spindle 1.2 in exhaust valve passage Valve 1.3.The motor shaft 1.1 is connected with the exhaust valve spindle 1.2 by a component 24, and the component 24 includes one Coupling element 2 and a coupling component 4.

Exhaust valve 1.3 with exhaust valve spindle 1.2 is arranged in exhaust valve passage 7.Component 24 is arranged in exhaust valve spindle On 1.2, component forms rotation connection between exhaust valve spindle 1.2 and drive shaft 1.1.The motor 5 passes through retainer 6 indirectly It is supported on exhaust valve passage 7.There are two arms 6.1,6.2 for the tool of retainer 6, are fixed on exhaust valve passage 7.In exhaust valve 1.3 at " opening " position, and arm 6.2 forms the stopper section of coupling component 4 or the shoulder 4.2 of coupling component 4.The exhaust The stopper section of valve 1.3 is to be formed at " closing " position by exhaust valve passage 7 itself.According to Fig. 1, the exhaust valve 1.3 is located at A middle position between " opening " position and " closing " position, so that shoulder 4.2 is not in contact with arm 6.2.

The coupling element 2 is designed to a volute spring, and is coupled by a first end E1 with motor shaft 1.1 And it is coupled by a second end E2 with coupling component 4.In order to connect coupling element 2 and motor shaft 1.1, motor shaft has One groove 3.By the way that the end E1 of coupling element 2 is inserted into groove 3 and according to as assembling is formed by the coupling The axial pre-tension for closing element 2, produces the connection of axial pretightening between motor shaft 1.1 and coupling element 2.Coupling element 2 connect also by the mode that shape adapts to the coupling component 4.This is referred to Fig. 2 a, 2b and is introduced in further detail.

Coupling component 4 have first support 4.4 and second support 4.5, such as according to fig. 1a, the enlarged drawing of 1b it is visible.Two Bracket 4.4,4.5 is pin or rod-shaped and be respectively provided with first end 4.4a, 4.5a and the second end 4.4b, 4.5b.First On end 4.4a, 4.5a, corresponding bracket 4.4,4.5 is fixed on coupling component 4.Corresponding bracket 4.4,4.5 is in axial side It upwardly extends until on the end E1 of coupling element 2.Top or on the second end 4.4b, 4.5b, bracket 4.4,4.5 edges Circumferencial direction Ru is sticked on the section 2.1,2.2 of end E1.According to Fig. 1 c, along the circumferential direction Ru is not pasted bracket 4.4,4.5 It leans against on the section 2.1,2.2 of end E1, but sticks on two individual stop parts；First stop part and the second stop part On 3.2, the first stop part and the second stop part are directly connected to drive shaft 1.1.In clockwise rotational motion seen from above, The closing force of drive shaft 1.1 is transmitted on end E1 or stop part 3.1 from drive shaft 1.1 and from end E1 or stop part 3.1 It is transmitted to first support 4.4 or second support 4.5.Driving force is finally transmitted to coupling structure from first or second bracket 4.4,4.5 On part 4.It therefore is driving between drive shaft 1.1 and coupling component 4 in the case where disconnecting and being configured to coupling element 2 of spring It is shorted.

In counterclockwise movement, the driving force of drive shaft 1.1 is transmitted on coupling element 2 and via coupling via end E1 The end E2 for closing element 2 is transmitted on coupling component 4.In the spring performance of this coupling element 2 it is opposite with aforementioned short circuit be by with Most.

A according to fig. 2, the component including coupling element 2, coupling component 4 and two brackets 4.4,4.5 is by making end E1 axis It is introduced into the groove 3 of motor shaft 1.1 and is fixed on motor shaft 1.1 to ground.Therefore, motor shaft 1.1 or central axis m and needs The exhaust valve spindle 1.2 or central axis k being introduced into coupling component 4 orient coaxially with each other.

Fig. 2 a is illustrated only including coupling element 2 and is had the coupling component 4 there are two bracket 4.4,4.5.End E1 is upward It limits coupling element 2 and bends inwards in radial directions since the wedge-shaped basic configuration of coupling element 2.End E2 construction It obtains slightly more complex.Different bending sections is set on the basis of the basic configuration of the spiral shape of coupling element 2 or wedge shape, thus It is molded into end E2 on coupling component 4.Two brackets 4.4,4.5 are upward from coupling component 4 within the coupling element 2 of wedge shape Extend and Ru is sticked on coupling element 2 along circumferential direction.

According to Fig. 3, the tool of coupling component 4 there are three slit 4a to 4c, wherein slit 4a, 4b be arranged on it is same diametrically. In addition, being equipped with third slit 4c, in third slit 4c, since the 4r of the back side, the coupling element 2 is directed into the front 4v.The coupling component 4 be basically designed to it is discoid, have one radially and along axial direction protrude past disk The shoulder 4.2 of basic configuration.Disk 4 have a base radius rs, while shoulder 4.2 have extend beyond the base radius rs Radius rc.The regular edge 4.1 of the disk 4 is arranged in slit 4a to the 4c.A, 2b according to fig. 2, the coupling member The end E2 of part 2 has the part being in U-shape, wherein the disk 4 is radially inserted into until the coupling element 2 latches in In two slits 4a, 4b.Concomitantly with this, coupling element 2 further latches in slit 4c, so as to from the back 4r of disk 4 The free end in region starts, and the end E2 is directed into positive 4v by slit 4a and starts in diametrical direction therefrom Through slit 4b.In addition, the end E2 is guided through slit 4b to the back side 4r of disk 4, and overturn again via slit 4c To positive 4v, and the basic configuration of helix or circular cone is shifted to from there.Shoulder 4.2 is projected into edge in radial directions On 4.1.It guarantees the stop on the stopper section of retainer 6 6.2, therefore being capable of the exhaust valve described in backstop at " opening " position 1.3.By the motor 5 and spring 2, adjusting torque can be transferred on exhaust valve spindle 1.2.Because exhaust valve spindle 1.2 It adjusts path not to be recorded, it is necessary to torque design will be adjusted enough to big, therefore give the rotation angle of motor 5 or drive shaft 1.1 just It is sufficiently large, will pass through respective stopping or the middle position that the torque thus generated realizes exhaust valve 1.3 or exhaust valve spindle 1.2.

Component symbol inventory

The driving of 1 exhaust valve

1.1 drive shafts, motor shaft

1.2 exhaust valve spindle

1.3 exhaust valve

2 coupling elements, spring

The section of 2.1 E1

The section of 2.2 E1

3 recess portions, groove

3.1 first stop parts

3.2 second stop parts

4 coupling components, sliding block

4.1 edge

4.2 shoulder

4.4 first support

4.4a first end

4.4b the second end

4.5 second support

4.5a first end

4.5b the second end

4a recess, slit

4b recess, slit

4c recess, slit

The front 4v

The back side 4r

5 motors

6 retainers

6.1 arm

6.2 arms, stopper section

7 exhaust valve passages

24 components

The end of E1 2

The end of E2 2

The central axis of k 1.3

The central axis of m 1.1

The radius of rs 4

The radius of rc 4.2

Ru circumferential direction