CN218229276U - Bicycle turns to structure and bicycle - Google Patents

Abstract

The utility model belongs to the technical field of the bicycle, the bicycle turns to structure and bicycle is disclosed, the bicycle turns to in the structure, first cable sheathed tube both ends tip all be used for with frame fixed connection, second cable sheathed tube both ends tip all be used for with frame fixed connection, the both ends of first cable are fixed connection respectively in one side of preceding pivot and one side of back pivot, the both ends of second cable are fixed connection respectively in the opposite side of preceding pivot and the opposite side of back pivot, thereby the mode of the first cable of accessible tensioning and second cable makes the back pivot can drive the synchronous rotation of front pivot, thereby can make head of a family and children simultaneous operation handlebar, make children when can obtaining driving experience, the head of a family also can control the turning to of vehicle, prevent to take place danger. In addition, first cable and second cable all are direct and the rear axle is connected, can make first cable and second cable need not to carry out too much bending steering, make steering mechanism's structure simpler.

Description

Bicycle turns to structure and bicycle

Technical Field

The utility model relates to a bicycle technical field especially relates to bicycle turns to structure and bicycle.

Background

The parent-child bicycle is generally provided with two seats along the front-rear direction on the same frame, and the front seat and the rear seat are respectively used for children and parents to take. Conventional parent-child bicycles are generally steered by riding in a rear seat parent due to the child's poor bicycle control and anticipation of danger.

In order to make the children who sits in preceding saddle can obtain the driving experience, prior art provides through the connecting rod or through the parent-child bicycle that cable control front and back axletree turned to in step, makes children can manipulate the bicycle and turn to the time, and the head of a family also can control and turn to, avoids taking place danger. However, there is a problem in that, in the case of a scheme in which two axles are connected by a link, the rotation of the link collides with a child, and if the link is provided in the vehicle frame, the vehicle frame is bulky; to the scheme that the front axle and the rear axle are controlled to synchronously steer through the inhaul cable, the inhaul cable of the bicycle is connected with a handle of a rear handlebar, so that the inhaul cable has multiple parts to be bent to steer, and the structure is complex.

SUMMERY OF THE UTILITY MODEL

According to the utility model discloses an aspect, the utility model provides a bicycle turns to structure to solve among the prior art cable have many places to buckle and turn to, lead to the problem that the structure is complicated.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the bicycle steering structure is arranged on a frame of a bicycle, and the bicycle further comprises a front handlebar assembly and a rear handlebar assembly, wherein the front handlebar assembly comprises a front rotating shaft rotatably arranged on the frame and a front handlebar connected with the front rotating shaft, the front rotating shaft is used for being connected with a front wheel of the bicycle, and the rear handlebar assembly comprises a rear rotating shaft rotatably arranged on the frame and a rear handlebar fixedly arranged on the rear rotating shaft;

the method comprises the following steps:

steering mechanism wears to locate including first cable sleeve pipe, second cable sleeve pipe and slip first cable of first cable sleeve pipe and slip wear to locate second cable sheathed tube second cable, first cable sheathed tube both ends tip all be used for with frame fixed connection, second cable sheathed tube both ends tip all be used for with frame fixed connection, the both ends difference fixed connection of first cable in one side of preceding pivot and one side of back pivot, the both ends difference fixed connection of second cable in the opposite side of preceding pivot and the opposite side of back pivot, so that the back pivot can drive preceding pivot synchronous rotation.

As a preferable scheme of the bicycle steering structure, the bicycle further comprises a front handlebar connecting structure, wherein the front handlebar connecting structure comprises a front axle mounting part and a front handlebar mounting part, the front axle mounting part is used for being fixedly connected with the front rotary shaft, and the front handlebar mounting part is used for being fixedly connected with the front handlebar; the front axle installed part rotates set up in the front handlebar installed part, the internal perisporium of front handlebar installed part has the recess, the front axle installed part is provided with the inserted block, the inserted block can peg graft in the recess.

As a preferable aspect of the bicycle steering structure, the front handle bar connecting structure further includes an elastic member capable of providing an elastic force for making the insert block away from the axis of the front axle mounting member when the insert block is inserted into the groove.

Preferably, the front handlebar mounting member is rotatable relative to the front axle mounting member to drive the plug into or out of the groove.

As a preferable scheme of the bicycle steering structure, the insert is a roller and can be in rolling contact with the groove wall of the groove.

As the preferred scheme of the bicycle steering structure, the steering mechanism further comprises an adjusting assembly, the adjusting assembly comprises two first adjusting bolts arranged on the first inhaul cable, and two ends of the first inhaul cable sleeve are respectively in threaded connection with the two first adjusting bolts.

As the preferable scheme of the bicycle steering structure, the adjusting assembly further comprises two second adjusting bolts arranged on the second inhaul cable, and two ends of the second inhaul cable sleeve are in threaded connection with the two second adjusting bolts respectively.

As a preferable mode of the bicycle steering structure, the first cable is slidable relative to the first cable sleeve to have an initial position and a steering position, when the first cable is in the initial position, the bicycle runs forward, and when the first cable is in the steering position, the first cable can drive the front rotating shaft to rotate so as to steer the bicycle; the bicycle turns to the structure and still includes spacing subassembly, spacing subassembly including fixed set up in the first locating part of frame with fixed set up in the second locating part of back pivot, when first cable is located the steering position, first locating part with second locating part butt.

According to another aspect of the utility model, a bicycle is provided, turn to the structure including above-mentioned bicycle, still include:

a frame;

the front handlebar assembly comprises a front rotating shaft rotatably arranged on the frame and a front handlebar connected with the front rotating shaft;

the rear handlebar assembly comprises a rear rotating shaft rotatably arranged on the frame and a rear handlebar fixedly arranged on the rear rotating shaft;

the front rotating shaft is connected with the front wheel of the bicycle.

Preferably, the frame includes a main frame and a housing, the housing is covered on the main frame, and the steering mechanism is disposed in the housing.

The beneficial effects of the utility model are that:

the utility model provides a bicycle turns to structure, first cable sheathed tube both ends tip all be used for with frame fixed connection, second cable sheathed tube both ends tip all be used for with frame fixed connection, the both ends of first cable are fixed connection respectively in one side of preceding pivot and one side of back pivot, the both ends of second cable are fixed connection respectively in the opposite side of preceding pivot and the opposite side of back pivot, thereby the mode of the first cable of accessible tensioning and second cable makes the back pivot can drive preceding pivot and rotate in step, thereby can make head of a family and children concurrent operation handlebar, make the children of control front handle when can obtain driving experience, the head of a family of control rear handle also can be controlled the turning to of vehicle, prevent to take place danger. In addition, first cable and second cable all are directly to be connected with the back pivot, can make first cable and second cable need not to carry out too much bending steering, make steering mechanism's structure simpler.

The utility model discloses still provide the bicycle, turn to the structure including above-mentioned bicycle, this bicycle turns to the simple structure of structure, and the outward appearance of bicycle is clean and tidy.

Drawings

FIG. 1 is a schematic structural view of a bicycle according to an embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a first schematic structural diagram of a steering mechanism according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram ii of a steering mechanism according to an embodiment of the present invention;

FIG. 5 is an external view of the front handlebar attachment structure in an embodiment of the present invention;

FIG. 6 is a schematic view of the inner structure of the front handlebar attachment structure in an embodiment of the present invention;

FIG. 7 is a schematic structural view of a front handlebar mounting member in an embodiment of the present invention;

fig. 8 is a schematic structural view of a front axle mount according to an embodiment of the present invention.

In the figure:

100. a frame;

200. a front handlebar assembly; 201. a front rotating shaft; 202. a front handlebar;

300. a rear handlebar assembly; 301. a rear rotating shaft; 302. a rear handlebar;

400. a front wheel;

500. a front seat assembly;

600. a rear seat assembly;

1. a steering mechanism; 11. a first cable; 12. a second cable; 13. a first cable bushing; 14. a second cable sleeve; 15. an adjustment assembly; 151. a first adjusting bolt; 152. a second adjusting bolt;

2. a front handlebar attachment structure; 21. a front axle mount; 211. inserting a block; 212. accommodating grooves; 22. a front handlebar mounting member; 221. a groove; 23. an elastic member;

3. a limiting component; 31. a first limit piece; 32. a second limiting member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Parent-child bicycle generally sets up two seats along the fore-and-aft direction on same frame, and preceding, back saddle are used for children and head of a family respectively to take, and in order to make the children of sitting in preceding saddle can obtain to drive and experience, prior art provides through the connecting rod or through cable control preceding, the parent-child bicycle that the rear axle turned to in step, when making children can manipulate the bicycle and turn to, the head of a family also can control and turn to, avoids taking place danger. However, there is a problem in that, in the case of a scheme in which two axles are connected by a link, the rotation of the link collides with a child; to the scheme that the front axle and the rear axle are controlled to synchronously steer through the inhaul cable, the inhaul cable of the bicycle is connected with a handle of a rear handlebar, so that the inhaul cable has multiple parts to be bent to steer, and the structure is complex.

To the above problem, the utility model provides a bicycle turns to structure to solve among the prior art cable and have many places to buckle and turn to, lead to the problem that the structure is complicated, can be used to bicycle technical field.

Referring to fig. 1-8, the bicycle steering structure is configured to be disposed on a frame 100 of a bicycle, the bicycle further includes a front handlebar assembly 200 and a rear handlebar assembly 300, the front handlebar assembly 200 includes a front rotating shaft 201 rotatably disposed on the frame 100 and a front handlebar 202 connected to the front rotating shaft 201, the front rotating shaft 201 is configured to be connected to a front wheel 400 of the bicycle, and the rear handlebar assembly 300 includes a rear rotating shaft 301 rotatably disposed on the frame 100 and a rear handlebar 302 fixedly disposed on the rear rotating shaft 301. The front handle bar 202 is used for manual operation and driving the front rotating shaft 201 to rotate, and the rear handle bar 302 is used for manual operation and driving the rear rotating shaft 301 to rotate. In this embodiment, the bicycle further includes a front seat assembly 500 located between the front and rear handlebar assemblies 200 and 300 and a rear seat assembly 600 located behind the rear handlebar assembly 300, wherein a child is seated in the front seat assembly 500 and is able to control the front handlebar 202, and a parent is seated in the rear seat assembly 600 and is able to control the rear handlebar 302.

With continued reference to fig. 1-8, the bicycle steering structure includes a steering mechanism 1, the steering mechanism 1 includes a first cable sleeve 13, a second cable sleeve 14, a first cable 11 slidably passing through the first cable sleeve 13, and a second cable 12 slidably passing through the second cable sleeve 14, both ends of the first cable sleeve 13 are both used for being fixedly connected with the frame 100, both ends of the second cable sleeve 14 are both used for being fixedly connected with the frame 100, both ends of the first cable 11 are respectively fixedly connected to one side of the front rotating shaft 201 and one side of the rear rotating shaft 301, both ends of the second cable 12 are respectively fixedly connected to the other side of the front rotating shaft 201 and the other side of the rear rotating shaft 301, so that the rear rotating shaft 301 can drive the front rotating shaft 201 to synchronously rotate. The mode of the first cable 11 of specific accessible tensioning and second cable 12 makes pivot 301 rotate before can driving in step before can driving to can make head of a family and children operate the handlebar simultaneously, make the children of handlebar 202 before the control when can obtain driving experience, the head of a family of handlebar 302 also can control the turning to of vehicle after the control, prevent to take place danger. In addition, the first cable 11 and the second cable 12 are both directly connected to the rear rotating shaft 301, so that the first cable 11 and the second cable 12 do not need to be bent too much, and the structure of the steering mechanism 1 is simpler.

With continued reference to fig. 1-8, specifically, the first cable 11 can slide relative to the first cable sleeve 13 to have an initial position and a steering position, when the first cable 11 is in the initial position, the bicycle is running forward, and when the first cable 11 is in the steering position, the first cable 11 can drive the front rotating shaft 201 to rotate so as to steer the bicycle.

Referring to fig. 2, the bicycle steering structure further includes a limiting assembly 3, the limiting assembly 3 includes a first limiting member 31 fixedly disposed on the frame 100 and a second limiting member 32 fixedly disposed on the rear rotating shaft 301, when the first cable 11 is located at the steering position, the first limiting member 31 abuts against the second limiting member 32, so as to prevent the second limiting member 32 from continuing to rotate in a direction that the first cable 11 is away from the initial position, and prevent the rear rotating shaft 301 and the front axle 201 from rotating too much, thereby preventing the handlebar from colliding with the child and injuring the child. Further, the first cable 11 and the second cable 12 can be protected from being damaged by an excessive torque applied by an adult.

Referring to fig. 3 to 4, the steering mechanism 1 further includes an adjusting assembly 15, the adjusting assembly 15 includes two first adjusting bolts 151 disposed on the first cable 11, two ends of the first cable sleeve 13 are respectively in threaded connection with the two first adjusting bolts 151, specifically, two ends of the first cable sleeve 13 are both provided with internal threads and are in threaded connection with external threads of the two first adjusting bolts 151. Through setting up two first adjusting bolt 151, and the both ends of first cable sleeve pipe 13 respectively with two first adjusting bolt 151 threaded connection, the elasticity of adjustable first cable sleeve pipe 13.

With continued reference to fig. 3-4, similar to the above structure, the adjustment assembly 15 further includes two second adjustment bolts 152 disposed on the second cable 12, and two ends of the second cable sleeve 14 are respectively screwed with the two second adjustment bolts 152 to adjust the tightness of the second cable sleeve 14.

Referring to fig. 5-8, the bicycle steering arrangement further includes a front handlebar attachment structure 2, the front handlebar attachment structure 2 including a front axle mounting member 21 and a front handlebar mounting member 22, the front axle mounting member 21 for fixed connection with the front axle 201, the front handlebar mounting member 22 for fixed connection with the front handlebar 202. Specifically, the front handlebar mounting member 22 is comprised of two connecting members between which the front handlebar 202 is positioned, the two connecting members being secured by bolts or screws to fixedly secure the front handlebar 202 to the front handlebar mounting member 22. Front axle mounting member 21 rotates and sets up in front handlebar mounting member 22, and front axle mounting member 22's internal perisporium has recess 221, and front axle mounting member 21 is provided with plug 211, specifically plug 211 can stretch out for front axle mounting member 21's outer peripheral face, and plug 211 can peg graft in recess 221. The front rotating shaft 201 can rotate synchronously with the front handle bar 202 by inserting the inserting block 211 into the groove 221, so that a child can steer by operating the front handle bar 202. Optionally, a plurality of the insertion blocks 211 and the grooves 221 are provided, the plurality of insertion blocks 211 can be inserted into the plurality of grooves 221 in a one-to-one correspondence manner, or the plurality of insertion blocks 211 can be pulled out of the grooves 221 at the same time, so that the angle of the front handlebar 202 relative to the front rotating shaft 201 can be conveniently adjusted.

With continued reference to fig. 5-8, front handlebar attachment structure 2 further includes a resilient member 23, resilient member 23 being capable of providing a resilient force that urges insert 211 away from the axial center of front axle mounting member 21 when insert 211 is inserted into recess 221. In this embodiment, the accommodating groove 212 has still been seted up to front axle installed part 21, and elastic component 23 is the pressure spring, and the one end of pressure spring and the cell wall butt of accommodating groove 212, the other end and inserted block 211 butt.

In the prior art, the front axle and the rear axle rotate synchronously all the time, and although the parent can control the rear rotating shaft 301 through the rear handle bar 302 to control the movement of the front rotating shaft 201 conveniently, the front handle bar 202 can also control the movement of the front rotating shaft 201 at the same time. Thus, if the front and rear handlebars 202, 302 are subjected to different directions of force, there is a risk that the cable will be pulled apart.

To address this problem, and with continued reference to FIGS. 5-8, in this embodiment, when the handlebar mounting member 22 is rotated relative to the front axle mounting member 21, the insert 211 can be driven into the recess 221 or out of the recess 221. Specifically, the insertion block 211 can be guided to be removed from the groove 221 by providing a guide slope at the sidewall of the groove 221. When rear handlebar 302 atress is less, preceding handlebar 202 can control preceding pivot 201 and rotate, simultaneously control back pivot 301 and rear handlebar 302 synchronous rotation, and when meetting the condition such as danger and taking place, the head of a family can exert great power to rear handlebar 302, when front handlebar 202 atress is great this moment, can drive front handlebar installed part 22 and rotate for front axle installed part 21, peg graft this moment and deviate from in the inserted block 211 of recess 221 can follow recess 221, therefore front handlebar installed part 22 can not drive front axle installed part 21 and rotate, thereby avoided the cable to be broken. That is, in the present embodiment, the front handle bar connecting structure 2 functions as a torque limiter, and when the child-operated front handle bar 202 and the adult-operated rear handle bar 302 do not rotate in the same direction and the torque exceeds a set value, the front handle bar 202 slips, the control of the rotation of the front rotary shaft 201 is lost, and the rear handle bar 302 continues to maintain the control of the rotation of the front rotary shaft 201.

With continued reference to fig. 5-8, the inserts 211 are rollers and are capable of rolling contact with the walls of the grooves 221 to reduce frictional resistance when the inserts 211 abut against the walls of the grooves 221. Preferably, the groove wall of the groove 221 is arc-shaped to accommodate the shape of the insert 211.

The present embodiment further provides a bicycle, which includes the above-mentioned bicycle steering structure, and further includes a frame 100, a front handlebar assembly 200, a rear handlebar assembly 300, and a front wheel 400. The front handle bar assembly 200 comprises a front rotating shaft 201 rotatably arranged on the frame 100 and a front handle bar 202 connected with the front rotating shaft 201; the rear handlebar assembly 300 includes a rear rotating shaft 301 rotatably disposed on the frame 100 and a rear handlebar 302 fixedly disposed on the rear rotating shaft 301; the front spindle 201 is connected to a front wheel 400 of the bicycle. The bicycle of this bicycle turns to simple structure of structure, makes the whole outward appearance of bicycle clean and tidy.

Optionally, the frame 100 includes body frame and shell, and the shell covers at the body frame, and steering mechanism 1 sets up in the shell to protect steering mechanism 1 through the shell, avoid structures such as first cable 11, second cable 12, first cable sleeve pipe 13 and second cable sleeve pipe 14 to receive external collision and lead to damaging, also avoid above-mentioned structure to trip to ride and ride the personnel, simplified the overall structure of frame 100 and steering mechanism 1 simultaneously, the appearance is neat and artistic.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements, and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The bicycle steering structure is used for being arranged on a frame (100) of a bicycle, the bicycle further comprises a front handlebar assembly (200) and a rear handlebar assembly (300), the front handlebar assembly (200) comprises a front rotating shaft (201) rotatably arranged on the frame (100) and a front handlebar (202) connected with the front rotating shaft (201), the front rotating shaft (201) is used for being connected with a front wheel (400) of the bicycle, and the rear handlebar assembly (300) comprises a rear rotating shaft (301) rotatably arranged on the frame (100) and a rear handlebar (302) fixedly arranged on the rear rotating shaft (301);

it is characterized by comprising:

steering mechanism (1), wear to locate including first cable sleeve pipe (13), second cable sleeve pipe (14) and slip first cable (11) and the slip of first cable sleeve pipe (13) are worn to locate second cable (12) of second cable sleeve pipe (14), the both ends tip of first cable sleeve pipe (13) all be used for with frame (100) fixed connection, the both ends tip of second cable sleeve pipe (14) all be used for with frame (100) fixed connection, the both ends difference fixed connection of first cable (11) in one side of preceding pivot (201) and one side of back pivot (301), the both ends difference fixed connection of second cable (12) in the opposite side of preceding pivot (201) and the opposite side of back pivot (301), so that back pivot (301) can drive preceding pivot (201) synchronous rotation.

2. The bicycle steering structure according to claim 1, further comprising a front handlebar attachment structure (2), the front handlebar attachment structure (2) comprising a front axle mounting member (21) and a front handlebar mounting member (22), the front axle mounting member (21) being for fixed connection with the front spindle (201), the front handlebar mounting member (22) being for fixed connection with the front handlebar (202); front axle installed part (21) rotate set up in front handlebar installed part (22), the internal perisporium of front handlebar installed part (22) has recess (221), front axle installed part (21) is provided with inserted block (211), inserted block (211) can peg graft in recess (221).

3. The bicycle steering structure according to claim 2, wherein the front handlebar attachment structure (2) further comprises an elastic member (23), the elastic member (23) being capable of providing an elastic force for moving the insert (211) away from the axial center of the front axle mounting member (21) when the insert (211) is inserted into the recess (221).

4. The bicycle steering arrangement according to claim 2, wherein the plug (211) is adapted to be driven into or out of the recess (221) when the handlebar mounting member (22) is rotated relative to the front axle mounting member (21).

5. The bicycle steering structure according to claim 4, characterized in that the insert (211) is a roller and can be in rolling contact with a groove wall of the groove (221).

6. The bicycle steering structure according to claim 1, characterized in that the steering mechanism (1) further comprises an adjusting assembly (15), the adjusting assembly (15) comprises two first adjusting bolts (151) arranged on the first cable (11), and two ends of the first cable sleeve (13) are respectively in threaded connection with the two first adjusting bolts (151).

7. The bicycle steering structure according to claim 6, characterized in that the adjusting assembly (15) further comprises two second adjusting bolts (152) provided to the second cable (12), and both ends of the second cable sleeve (14) are respectively threadedly connected with the two second adjusting bolts (152).

8. The bicycle steering structure according to claim 1, wherein the first cable (11) is slidable with respect to the first cable sleeve (13) to have an initial position and a steered position, when the first cable (11) is in the initial position, the bicycle is running in a forward direction, when the first cable (11) is in the steered position, the first cable (11) can turn the front rotating shaft (201) to steer the bicycle; the bicycle turns to structure still includes spacing subassembly (3), spacing subassembly (3) including fixed set up in first locating part (31) of frame (100) and fixed set up in second locating part (32) of back pivot (301), when first cable (11) are located the position that turns to, first locating part (31) with second locating part (32) butt.

9. Bicycle, characterized in that it comprises a bicycle steering structure according to any one of claims 1-8, further comprising:

a vehicle frame (100);

the front handlebar assembly (200) comprises a front rotating shaft (201) rotatably arranged on the frame (100) and a front handlebar (202) connected with the front rotating shaft (201);

the rear handlebar assembly (300) comprises a rear rotating shaft (301) rotatably arranged on the frame (100) and a rear handlebar (302) fixedly arranged on the rear rotating shaft (301);

the front wheel (400), the front rotating shaft (201) is connected with the front wheel (400) of the bicycle.

10. A bicycle according to claim 9, characterised in that the frame (100) comprises a main frame and a housing which covers the main frame, the steering mechanism (1) being arranged in the housing.

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