CN112677936A - Manual worm gear and worm pipeline type control mechanism - Google Patents

Abstract

The invention discloses a manual worm gear and worm pipeline type control mechanism, which comprises a fixed frame; the gear driving mechanism is arranged on the fixed frame and comprises a rotating shaft, a turbine, a first driving gear, a second driving gear and a clutch; the worm wheel operating mechanism comprises a worm and a first operating lever, the worm is arranged on the first swing rod and meshed with the worm, and the first operating lever is arranged between the first connecting rod and the second connecting rod in a swinging mode to drive the worm to rotate; and the clutch control mechanism comprises a compression spring, a handle and a control wire, and the control wire is driven by lifting the handle to enable the clutch to move back and forth, so that the turbine is controlled to be switched between two states of synchronous rotation with the first driving gear and synchronous rotation with the second driving gear. The manual worm gear and worm pipeline type control mechanism provided by the invention can be applied to assisting the loading moving device to transversely move to a parking space, can improve the convenience of moving the loading moving device, and solves the problems of difficult parking and tire abrasion.

Description

Manual worm gear and worm pipeline type control mechanism

Technical Field

The invention relates to the technical field of carrying moving devices, in particular to a manual worm gear and worm pipeline type control mechanism.

Background

The carrying mobile equipment can be used for commuting and transporting, and brings great convenience to life of people. However, the existing carrier moving apparatus such as an automobile has the following problems: when parking in the side, the driver needs to drive the car to the side front of the parking space and then back up, and the parking has certain difficulty and consumes more time, and especially the operation is very inconvenient under the condition that the parking space is small. In addition, the tires are also subject to some wear.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a manual worm gear pipeline type control mechanism.

The purpose of the invention is realized by the following technical scheme:

a manual worm gear in-line control mechanism comprising:

the fixing frame is provided with a first side wall and a second side wall which are arranged oppositely in a front-back mode, and a first connecting rod and a second connecting rod which are connected with the first side wall and the second side wall;

the gear driving mechanism comprises a rotating shaft, a turbine, a first driving gear, a second driving gear and a clutch; the rotating shaft is arranged between the first side wall and the second side wall; the turbine is rotatably arranged on the rotating shaft; the first driving gear and the second driving gear are respectively arranged on the front side and the rear side of the turbine and rotatably sleeved on the rotating shaft; the clutch can be movably arranged on the turbine back and forth and is used for controlling the turbine to be switched between two states of synchronous rotation with the first driving gear and synchronous rotation with the second driving gear;

a worm wheel operating mechanism including a worm mounted at one end of the operating lever and engaged with the worm wheel, and an operating lever swingably mounted between the first link and the second link to drive the worm to rotate;

the clutch control mechanism comprises a compression spring, a handle and a control wire; the compression spring is abutted between the second driving gear and the clutch; the handle is sleeved at the upper end of the operating rod in a vertically sliding mode, the operating wire penetrates through the operating rod, one end of the operating wire is connected with the poking piece, the other end of the operating wire is connected with the handle, the operating wire is driven by lifting of the handle to enable the clutch to move back and forth, and therefore the turbine is controlled to be switched between two states of synchronous rotation with the first driving gear and synchronous rotation with the second driving gear.

As a preferable scheme, the clutch comprises a first disc body, a second disc body and a disc body connecting rod; the first disk body is arranged between the turbine and the first driving gear, is provided with a first gear ring matched with the first driving gear, and is provided with a second gear ring matched with the first gear ring; the second disc body is arranged between the turbine and the second driving gear, and is provided with a third gear ring matched with the second driving gear, and the second driving gear is provided with a fourth gear ring matched with the third gear ring; the disc body connecting rod can penetrate through the turbine in a front-back sliding mode, and two ends of the disc body connecting rod are connected with the first disc body and the second disc body respectively.

As a preferable scheme, the poking piece comprises a main body part, and a first extension arm and a second extension arm which are respectively arranged at the front side and the rear side of the main body part; the main body part is provided with a first limiting groove matched with the first tray body and a second limiting groove matched with the second tray body; the first extension arm is sleeved with the rotating shaft and is positioned on the front side of the first gear, a fifth gear ring is arranged on the rear side of the first extension arm, and the first driving gear is provided with a sixth gear ring matched with the fifth gear ring; the first extension arm is sleeved with the rotating shaft and located on the rear side of the second gear, a seventh gear ring is arranged on the front side of the first extension arm, and an eighth gear ring matched with the seventh gear ring is arranged on the second drive gear.

As a preferred scheme, the operating rod comprises a sleeve, a mounting seat and a mounting shaft; the two mounting seats are arranged at the lower end of the sleeve at intervals, and the worm is arranged between the two mounting seats; the mounting shaft penetrates through the first mounting seat, the worm and the second mounting seat, and two ends of the mounting shaft are respectively connected with the first connecting rod and the second connecting rod.

As a preferable scheme, the mounting seat comprises a seat body, a ratchet wheel, a pawl, a first coil spring and a second coil spring, wherein the ratchet wheel, the pawl, the first coil spring and the second coil spring are mounted in the seat body; the ratchet wheel is fixed with one end of the turbine; the pawl is arranged in the seat body in a swinging mode through a ratchet shaft and is positioned on the ratchet wheel, the pawl is provided with a first side and a second side which are symmetrically arranged, one end, close to the ratchet wheel, of the first side is provided with first ratchet teeth used for pushing the ratchet wheel to rotate in the positive direction, and one end, close to the ratchet wheel, of the second side is provided with second ratchet teeth used for pushing the ratchet wheel to rotate in the negative direction; the first coil spring abuts a first side of the pawl and the second coil spring abuts a second side of the pawl.

As a preferable scheme, one end of the first side of the pawl, which is far away from the ratchet wheel, is provided with a first protruding part, one end of the second side of the pawl, which is far away from the ratchet wheel, is provided with a second protruding part, and an included angle is formed between the first protruding part and the second protruding part; the first coil spring is abutted against the first protruding part, and the second coil spring is abutted against the second protruding part; the operating lever further comprises a rotating rod rotatably arranged on the sleeve, the top end of the rotating rod is connected with the handle, a driving lever is fixedly arranged at the lower end of the rotating rod, and the driving lever extends into the first mounting seat and abuts against the pawl to push the pawl to rotate.

Preferably, the two mounting seats are of a symmetrical structure, the first extending parts of the two pawls are connected, and the second extending parts of the two pawls are connected.

As a preferable scheme, the handle is provided with a control wire connecting rod, a sliding part, a spring plate and a return spring; two ends of the control wire connecting rod are respectively fixed with the handle and the control wire connecting rod; the sliding part is sleeved with a control wire connecting rod in a sliding manner; the reed comprises a ring and a plurality of elastic sheets connected with the ring. The ring is sleeved with a control wire connecting rod and is positioned on one side of the sliding part away from the control wire, and the plurality of elastic sheets are connected with the ring and bent outwards; the side wall of the rotating rod is clamped with an elastic sheet limiting groove corresponding to the elastic sheet; the reset spring is sleeved with a control wire connecting rod, and two ends of the reset spring are respectively abutted to the handle and the ring.

As a preferable scheme, the clutch control mechanism further comprises a wire sleeve, one end of the wire sleeve is connected with the lower end of the rotating rod, the other end of the wire sleeve is installed on the second side wall through a fixing frame, and the control wire penetrates through the wire sleeve.

Compared with the prior art, the invention has the following beneficial effects:

1. the manual worm gear and worm pipeline type control mechanism provided by the invention can be applied to a transverse moving device to assist a vehicle to transversely move to a parking space, is simple in operation mode, can improve the convenience of parking or moving the vehicle, and solves the problems of difficult parking and tire abrasion;

2. the turbine control mechanism and the clutch control mechanism are integrated on one control lever, so that the mechanism is compact in structure and small in occupied space;

3. the first extension arm is sleeved with the rotating shaft and located on the rear side of the second gear, a seventh gear ring is arranged on the front side of the first extension arm, and the second drive gear is provided with an eighth gear ring matched with the seventh gear ring; when the second turbine is synchronous with the second driving gear, the seventh gear ring and the eighth gear ring are staggered, namely, the fifth gear ring and the sixth gear ring are meshed simultaneously, so that the first driving gear is prevented from sliding, namely, the automobile transverse moving device is controlled not to horizontally move when being lifted and moved, and the stability and the safety of the mechanism are further ensured;

4. the installation box and the turbine are driven in a pawl and ratchet mode, the rotation direction of the turbine can be limited, and the safety is high.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a perspective view of a manual worm gear in-line control mechanism of the present invention;

FIG. 2 is a bottom view of the manual worm gear in-line control mechanism of the present invention;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along B-B of FIG. 4;

FIG. 6 is a cross-sectional view of FIG. 4 taken along C-C;

FIG. 7 is a cross-sectional view taken along line D-D of FIG. 4 (with the pawl and ratchet wheel disengaged);

FIG. 8 is a cross-sectional view taken along D-D of FIG. 4 (in the first ratchet tooth abutting ratchet gear state);

FIG. 9 is a cross-sectional view taken along D-D of FIG. 4 (in a second ratchet tooth abutting ratchet gear state);

FIG. 10 is a cross-sectional view of the handle in a depressed state;

FIG. 11 is a cross-sectional view of the handle in a raised condition;

FIG. 12 is a schematic view of the worm gear synchronizing with the second drive gear;

FIG. 13 is a cross-sectional view taken along E-E of FIG. 11;

FIG. 14 is a cross-sectional view taken along F-F of FIG. 11;

FIG. 15 is a schematic view of the structure of the lateral shifting apparatus;

FIG. 16 is a perspective view of the lateral movement device in a stowed condition;

FIG. 17 is a bottom view of the lateral shifting apparatus;

a fixed frame-1; a first sidewall-11; a second sidewall-12; a first link-13; a second link-14;

a gear driving mechanism-2; a turbine-21; a first drive gear-22; a second drive gear-23; a clutch-24; a first disc body-241; a disc link-242; a second tray-243; a rotating shaft-25;

a turbine control mechanism-3; a sleeve-31; a mounting seat-33; a seat body-331; a pawl-332; a first protrusion-3321; a second protrusion-3322; a first ratchet-3323; a second ratchet-3324; a first coil spring-333; a second coil spring-334; ratchet-335; a deflector rod-34; a rotating rod-35; a spring plate limiting groove-351; -36, a worm; mounting a shaft-37;

a clutch operating mechanism-4; a connecting rod-41; a toggle-42; a main body portion-421; a first limit groove-4211; a second limit groove-4212; connecting block-4213; a first extension arm-422; a second extension arm-423; a handle-43; an inner ring portion-431; an outer race part-432; a top wall-433; a compression spring-2431; a return spring-44; a slide-45; a limit projection 451; a control wire connecting rod-46; a steering wire-47; mount-481; a wire sleeve-48; reed-49; loop-491; a spring-piece-492;

wheel set mechanism-6; a first rotation axis-61; a first sprocket-611; a second sprocket-612; a first swing link-62; an auxiliary spring-63; a first axle-64; a third sprocket-641; a first road wheel-642; a second rotation axis-65; a fourth sprocket-651; a second swing link-66; a second hub-67; a second road wheel-671; an axle link-68.

Detailed Description

In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and detailed description. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "left", "right", "inner", "outer" and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Examples

Referring to fig. 1-14, the present embodiment provides a manual worm gear and worm pipeline control mechanism, which includes a fixing frame 1, a gear driving mechanism 2, a turbine operating mechanism 3 and a clutch operating mechanism 4, and can be applied to a loading moving device (such as an automobile) to assist the loading moving device to move to a parking space.

As shown in fig. 1-2, the fixing frame 1 has a first side wall 11 and a second side wall 12 spaced from each other in a front-to-back direction, and a first connecting rod 13 and a second connecting rod 14 connecting the first side wall 11 and the second side wall 12, wherein the first connecting rod 13 and the second connecting rod 14 are arranged in parallel and located at the top of the fixing frame 1.

As shown in fig. 1 to 4, the gear drive mechanism 2 includes a rotary shaft 25, a turbine 21, a first drive gear 22, a second drive gear 23, and a clutch 24. Wherein, the rotating shaft 25 is installed between the first side wall 11 and the second side wall 12, and the center line thereof is arranged along the front-back direction; the turbine 21 is rotatably mounted on the rotating shaft 25 and is used for driving the first driving gear 22 or the second driving gear 23 to rotate; the first driving gear 22 and the second driving gear 23 are respectively arranged on the front side and the rear side of the turbine 21 and rotatably sleeved on the rotating shaft 25, in this embodiment, the first driving gear 22 is used for driving the transverse device of the loading moving device to horizontally move, and the second driving gear 23 is used for driving the transverse device of the loading moving device; the clutch 24 is movably mounted on the worm wheel 21 back and forth to control the worm wheel 21 to switch between three states of rotating synchronously with the first driving gear 22, staggering with the first driving gear 22 and the second driving gear 23 and rotating synchronously with the second driving gear 23, namely when the clutch 24 is paired with the first driving gear 22 and staggering with the second driving gear 23, the worm wheel 21 rotates synchronously with the first driving gear 22, when the clutch 24 is not paired with the first driving gear 22 and the second driving gear 23, the rotation of the worm wheel 21 does not affect the first driving gear 22 and the second driving gear 23, and when the clutch 24 is paired with the second driving gear 23 and staggering with the first driving gear, the worm wheel 21 rotates synchronously with the second driving gear 23.

As shown in fig. 1-3, the worm wheel operating mechanism 3 comprises a worm 36 and an operating rod, wherein the worm 36 is mounted at the lower end of the operating rod and meshed with the worm wheel 21 to form a worm wheel and worm drive. The operating lever is swingably mounted between the first link 13 and the second link 14 to drive the worm 36 to rotate, thereby rotating the worm wheel 21.

The clutch 24 includes a first plate 241, a second plate 243, and a plate link 242. The first disc 241 is arranged between the turbine 21 and the first driving gear 22, a first gear ring matched with the first driving gear 22 is arranged on one surface of the first disc, which is close to the first driving gear 22, and a second gear ring matched with the first gear ring is arranged on the first driving gear 22; the second disc body 243 is arranged between the turbine 21 and the second driving gear 23, a third gear ring matched with the second driving gear 23 is arranged on one surface of the second disc body, which is close to the second driving gear 23, and a fourth gear ring matched with the third gear ring is arranged on the second driving gear 23; the disc connecting rods 242 slidably pass through the turbine 21 in a front-back manner, and both ends of the disc connecting rods 242 are respectively connected with the first disc 241 and the second disc 243, and a plurality of disc connecting rods 242 are arranged on the turbine 21 in a circumferential manner.

Referring to fig. 2 and 5, the toggle member 42 includes a main body 421, and a first extension arm 422 and a second extension arm 423 located at the front and rear sides of the main body 421. The main body 421 has a receiving groove for the turbine 21 to pass through, which is beneficial to saving space; the main body 421 is further provided with a first limit groove 4211 matched with the edge of the first disk 241 and a second limit groove 4212 matched with the edge of the second disk 243, when the toggle piece 42 moves back and forth, the clutch 24 adjusts the position along with the first limit groove 4211 and the second limit groove 4212, and the top of the main body 421 is provided with a connecting block 4213 connected with the tail end of the control wire; the first extension arm 422 is sleeved with the rotating shaft 25 and is positioned on the front side of the first gear, a fifth gear ring is arranged on the rear side of the first extension arm, and the first driving gear 22 is provided with a sixth gear ring matched with the fifth gear ring; the first extension arm 422 is sleeved with the rotating shaft 25 and is positioned at the rear side of the second gear, a seventh gear ring is arranged at the front side of the first extension arm, and the second driving gear 23 is provided with an eighth gear ring matched with the seventh gear ring; when the turbine 21 is synchronous with the second driving gear 23, the seventh gear ring and the eighth gear ring are staggered, namely, the fifth gear ring and the sixth gear ring are meshed simultaneously, so that the first driving gear 22 is prevented from rotating, namely, the automobile transverse moving device is controlled not to horizontally move when being lifted and moved, and the stability and the safety of the mechanism are further ensured.

Referring to fig. 4, the joystick includes a sleeve 31, a mounting seat 33 and a mounting shaft 37; two mounting seats 33 are mounted at the lower end of the sleeve 31 and are arranged at intervals, and the worm 36 is mounted between the two mounting seats 33; the mounting shaft 37 passes through one mounting seat 33, the worm 36 and the second mounting seat 33, two ends of the mounting shaft 37 are respectively connected with the first connecting rod 13 and the second connecting rod 14, and the center line of the mounting shaft 37 is perpendicular to the center line of the rotating shaft 25.

As shown in fig. 7-9, the worm 36 is driven with the mounting block 33 by a pawl 332 and a ratchet 335. Specifically, the mounting seat 33 includes a seat body 331, and a ratchet 335, a pawl 332, a first coil spring 333 and a second coil spring 334 mounted in the seat body 331. The base 331 has an inner side wall facing the turbine 21, the inner side wall is provided with a notch for placing the ratchet 335, and the ratchet 335 is fixed with one end of the turbine 21; the pawl 332 is swingably mounted in the seat body 331 through a ratchet shaft and located at one side of the ratchet 335, the pawl 332 has a first side and a second side which are symmetrically arranged, one end of the first side close to the ratchet 335 is provided with a first ratchet 3323 for pushing the ratchet 335 to rotate in a forward direction, and one end of the second side close to the ratchet 335 is provided with a second ratchet 3324 for pushing the ratchet 335 to rotate in a reverse direction; the first coil spring 333 abuts a first side of the pawl 332 and the second coil spring 334 abuts a second side of the pawl 332. First and second coil springs 333 and 334 are used to reset the pawl 332.

On the ratchet wheel, a first protruding part 3321 is arranged at one end of the first side of the pawl 332 far away from the ratchet wheel 335, a second protruding part 3322 is arranged at one end of the second side of the pawl 332 far away from the ratchet wheel 335, and an included angle is formed between the first protruding part 3321 and the second protruding part 3322; the first coil spring 333 abuts the first protrusion 3321, and the second coil spring 334 abuts the second protrusion 3322.

As shown in fig. 3, 5 and 6, the operating lever further includes a rotating rod 35 rotatably mounted on the sleeve 31, a shift lever 34 is fixedly mounted at a lower end of the rotating rod 35, the extending direction of the shift lever 34 is perpendicular to the center line of the rotating rod 35, and the shift lever 34 passes through the inner side wall of the first mounting seat 33 and abuts against the pawl 332 to push the pawl 332 to rotate. Normally, i.e. without rotating the lever 35, the lever 34 is located between the first projection 3321 and the second projection 3322, and due to the elastic force of the coil spring, the pawl 332 is offset from the ratchet 335, and the lever swings without affecting the rotation of the worm 36; rotating the rotating lever 35 counterclockwise, the lever 34 presses against the first protrusion 3321 so that the first ratchet 3323 abuts against the tooth groove of the ratchet 335, swinging the operating lever so that the ratchet 335 rotates in the forward direction, rotating the rotating lever 35 clockwise, the lever 34 presses against the second protrusion 3322 so that the second ratchet 3324 abuts against the tooth groove of the ratchet 335, and swinging the operating lever so that the ratchet 335 rotates in the reverse direction. In this embodiment, the two mounting seats 33 are arranged in a symmetrical structure, the first extending portions of the two pawls 332 are connected, and the second extending portions of the two pawls 332 are connected, so that structural balance and stability are facilitated, in other examples, the pawls 332 and the ratchet 335 which are matched with each other may be arranged in only one mounting seat 33.

As shown in fig. 2 and 9, the clutch operating mechanism includes a compression spring 40, a handle 43, a wire case 48, and an operating wire 47; the compression spring is abutted between the second driving gear and the clutch; the handle is sleeved at the upper end of the operating rod in a vertically sliding manner and is provided with a top wall 433, an outer ring part 432 connected with the top wall and an inner ring part 431 protruding downwards from the top wall, wherein the inner ring part is positioned at the inner side of the outer ring part and is provided with an inner conical surface; one end of the wire sleeve is connected with the lower end of the rotating rod, and the other end of the wire sleeve is arranged on the second side wall through a fixing frame 481; the operating wire penetrates through the operating rod and the wire sleeve, one end of the operating wire is connected with the poking piece, the other end of the operating wire is connected with the handle, the operating wire is driven to lift relative to the operating rod through the handle, so that the clutch moves back and forth, and the turbine is controlled to be switched between two states of synchronous rotation with the first driving gear and synchronous rotation with the second driving gear.

As shown in fig. 10, 13 and 14, the handle 43 is provided with a control wire connecting rod 46, a sliding member 45, a spring plate 49 and a return spring 44; two ends of the control wire connecting rod are respectively fixed with the handle and the control wire connecting rod, two ends of the control wire connecting rod are respectively fixed with the handle and the control wire 45, and the tightness of the control wire and the position of the clutch are adjusted by a nut at the upper end of the control wire connecting rod; (ii) a The sliding part is fixed on the control wire connecting rod in a sliding and sleeved mode, a limiting protrusion 451 (shown in figures 3 and 12) is arranged on one side of the sliding part, and a clamping groove matched with the limiting protrusion is formed in the rotating rod so that the rotating rod can rotate along with the rotating rod when the control handle rotates; the spring leaves include a loop 491 and a plurality of spring leaves 492 connected to the loop. The ring is sleeved with a control wire connecting rod and is positioned on one side of the sliding part away from the control wire, and the plurality of elastic sheets are connected with the ring and bent outwards; the side wall of the rotating rod is clamped with an elastic sheet limiting groove 351 corresponding to the elastic sheet; the reset spring is sleeved with a control wire connecting rod, and two ends of the reset spring are respectively abutted to the handle and the ring. When the handle is pulled upwards, the sliding part moves upwards and pulls the control wire upwards, the tail end of the control wire moves towards the second side wall, the shifting part moves backwards, the turbine and the second driving gear rotate synchronously, and meanwhile, the elastic sheet outwards abuts against the elastic sheet limiting groove, so that the position of the handle is limited; when the handle is pressed downwards, the elastic sheet is pushed by the inner ring part, the elastic sheet is bent inwards and separated from the elastic limiting groove, the clutch moves forwards under the driving of the compression spring, and the turbine is separated from the second driving gear and matched with the first driving gear.

The working principle of the manual worm gear and worm pipeline type control mechanism is as follows:

1. braking state of the first driving gear:

referring to fig. 3 and 10, the handle 43 is pressed down, the clutch 24 moves forward under the action of the compression spring 40, the worm wheel 21 is synchronized with the first driving gear 22, and the second driving gear 23 is locked; rotating the handle 43 counterclockwise, the shift lever 34 presses against the first protrusion 3321 of the pawl 332, so that the first ratchet 3323 engages with the ratchet 335, and the operating lever is pulled back and forth, so that the first driving gear 22 rotates forward; rotating the handle 43 clockwise, the lever 34 presses against the second projection 3322 of the pawl 332 such that the second ratchet teeth 3324 engage the ratchet gear 335, and the lever is toggled and the first drive gear 22 rotates in reverse.

2. Braking state of the second driving gear:

referring to fig. 11-12, by pulling the handle 43 upward, the operating wire 47 pulls the toggle member backward so that the clutch 24 moves backward, and the worm gear 21 is synchronized with the second driving gear 23, and the first driving gear 22 is locked; rotating the handle 43 counterclockwise, the shift lever 34 presses against the first protrusion 3321 of the pawl 332, so that the first ratchet 3323 engages with the ratchet wheel 335, and the operating lever is pulled back and forth, so that the second driving gear 23 rotates forward; rotating the handle 43 clockwise, the lever 34 presses against the second protrusion 3322 of the pawl 332, causing the second ratchet teeth 3324 to engage the ratchet gear 335, and the lever is toggled, causing the second drive gear 23 to rotate in reverse.

As shown in fig. 15-17, the control mechanism is applied to the lateral shifting device in the following specific manner:

the transverse moving device is further provided with a wheel set mechanism 6 on the control mechanism, wherein the wheel set mechanism 6 comprises a first rotating shaft 61, a first swing rod 62, a first wheel axle 64, a second rotating shaft 65, a second swing rod 66, a second wheel axle 67 and a wheel axle connecting rod 68; the first rotating shaft 61 is rotatably mounted on one side of the fixing frame, a first chain wheel 611 and a second chain wheel 612 are fixedly arranged on the first rotating shaft 61, and the first chain wheel 611 is in transmission connection with the first driving gear 22 through a first chain; two ends of the first swing link 62 are respectively connected with the first rotating shaft 61 and the first wheel axle 64; the front end and the rear end of the first wheel shaft 64 are both provided with a first traveling wheel 642, the first wheel shaft 64 is fixedly provided with a third chain wheel 641, and the third chain wheel 641 is in transmission connection with the second chain wheel 612 through a second chain; the second rotating shaft 65 is rotatably mounted on the other side of the fixing frame, second traveling wheels 671 are arranged at the front end and the rear end of the second wheel shaft 67, a fourth chain wheel is fixedly arranged on the second wheel shaft 67, and the fourth chain wheel is in transmission connection with the second driving gear through a third chain; two ends of the second swing link 66 are respectively connected to the second rotating shaft 65 and the second wheel axle 67, and the wheel axle connecting rod 68 is connected to the first wheel axle 64 and the second wheel axle 67, so as to realize synchronous lifting of the first wheel axle 64 and the second wheel axle 67. In practical use, the transverse moving device is arranged on the base of the automobile, and the extending direction of the wheel axle is parallel to the front and back direction of the automobile. When the first driving gear rotates, the first wheel axle 64 rotates, and the moving device can drive the vehicle to move transversely. When the second driving gear rotates, the second rotating shaft 65 rotates along with the second driving gear to drive the second swing rod 66 to swing, so that the wheel set mechanism 6 is lifted, and when the second driving gear is not used, the wheel set mechanism 6 can be folded, so that the walking wheel can normally run away from a ground vehicle.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A manual worm gear pipeline type control mechanism is characterized by comprising:

the fixing frame is provided with a first side wall and a second side wall which are arranged oppositely in a front-back mode, and a first connecting rod and a second connecting rod which are connected with the first side wall and the second side wall;

the gear driving mechanism comprises a rotating shaft, a turbine, a first driving gear, a second driving gear and a clutch; the rotating shaft is arranged between the first side wall and the second side wall; the turbine is rotatably arranged on the rotating shaft; the first driving gear and the second driving gear are respectively arranged on the front side and the rear side of the turbine and rotatably sleeved on the rotating shaft; the clutch can be movably arranged on the turbine back and forth and is used for controlling the turbine to be switched between two states of synchronous rotation with the first driving gear and synchronous rotation with the second driving gear;

a worm wheel operating mechanism including a worm mounted at one end of the operating lever and engaged with the worm wheel, and an operating lever swingably mounted between the first link and the second link to drive the worm to rotate;

a clutch operating mechanism including a compression spring, a handle, and an operating wire; the compression spring is abutted between the second driving gear and the clutch; the handle is sleeved at the upper end of the operating rod in a vertically sliding mode, the operating wire penetrates through the operating rod, one end of the operating wire is connected with the poking piece, the other end of the operating wire is connected with the handle, the operating wire is driven by lifting of the handle to enable the clutch to move back and forth, and therefore the turbine is controlled to be switched between two states of synchronous rotation with the first driving gear and synchronous rotation with the second driving gear.

2. A manual worm-gear in-line control mechanism as claimed in claim 1 wherein the clutch comprises a first disc, a second disc and a disc link; the first disk body is arranged between the turbine and the first driving gear, is provided with a first gear ring matched with the first driving gear, and is provided with a second gear ring matched with the first gear ring; the second disc body is arranged between the turbine and the second driving gear, and is provided with a third gear ring matched with the second driving gear, and the second driving gear is provided with a fourth gear ring matched with the third gear ring; the disc body connecting rod can penetrate through the turbine in a front-back sliding mode, and two ends of the disc body connecting rod are connected with the first disc body and the second disc body respectively.

3. The manual worm and gear pipeline control mechanism as claimed in claim 2, wherein the toggle member comprises a main body and a first extension arm and a second extension arm respectively disposed at the front and rear sides of the main body; the main body part is provided with a first limiting groove matched with the first tray body and a second limiting groove matched with the second tray body; the first extension arm is sleeved with the rotating shaft and is positioned on the front side of the first gear, a fifth gear ring is arranged on the rear side of the first extension arm, and the first driving gear is provided with a sixth gear ring matched with the fifth gear ring; the first extension arm is sleeved with the rotating shaft and located on the rear side of the second gear, a seventh gear ring is arranged on the front side of the first extension arm, and an eighth gear ring matched with the seventh gear ring is arranged on the second drive gear.

4. The manual worm-gear in-line control mechanism of claim 1, wherein the joystick includes a sleeve, a mounting seat, and a mounting shaft; the two mounting seats are arranged at the lower end of the sleeve at intervals, and the worm is arranged between the two mounting seats; the mounting shaft penetrates through the first mounting seat, the worm and the second mounting seat, and two ends of the mounting shaft are respectively connected with the first connecting rod and the second connecting rod.

5. The manual worm-gear in-line control mechanism as claimed in claim 4, wherein the mounting seat comprises a seat body and a ratchet wheel, a pawl, a first coil spring and a second coil spring which are arranged in the seat body; the ratchet wheel is fixed with one end of the turbine; the pawl is arranged in the seat body in a swinging mode through a ratchet shaft and is positioned on the ratchet wheel, the pawl is provided with a first side and a second side which are symmetrically arranged, one end, close to the ratchet wheel, of the first side is provided with first ratchet teeth used for pushing the ratchet wheel to rotate in the positive direction, and one end, close to the ratchet wheel, of the second side is provided with second ratchet teeth used for pushing the ratchet wheel to rotate in the negative direction; the first coil spring abuts a first side of the pawl and the second coil spring abuts a second side of the pawl.

6. The manual worm-gear pipeline-type control mechanism as claimed in claim 5, wherein a first protrusion is provided at an end of the first side of the pawl away from the ratchet wheel, a second protrusion is provided at an end of the second side of the pawl away from the ratchet wheel, and the first protrusion and the second protrusion form an included angle; the first coil spring is abutted against the first protruding part, and the second coil spring is abutted against the second protruding part; the operating lever further comprises a rotating rod rotatably arranged on the sleeve, the top end of the rotating rod is connected with the handle, a driving lever is fixedly arranged at the lower end of the rotating rod, and the driving lever extends into the first mounting seat and abuts against the pawl to push the pawl to rotate.

7. The manual worm-gear in-line control mechanism as claimed in claim 6, wherein the two mounting seats are symmetrical, the first extensions of the two pawls are connected, and the second extensions of the two pawls are connected.

8. A manual worm and gear in-line control mechanism as claimed in claim 6 wherein the handle is mounted with a control wire connecting rod, a slider, a spring plate and a return spring; two ends of the control wire connecting rod are respectively fixed with the handle and the control wire connecting rod; the sliding part is sleeved with a control wire connecting rod in a sliding manner; the reed comprises a ring and a plurality of elastic sheets connected with the ring. The ring is sleeved with a control wire connecting rod and is positioned on one side of the sliding part away from the control wire, and the plurality of elastic sheets are connected with the ring and bent outwards; the side wall of the rotating rod is clamped with an elastic sheet limiting groove corresponding to the elastic sheet; the reset spring is sleeved with a control wire connecting rod, and two ends of the reset spring are respectively abutted to the handle and the ring.

9. A manual worm-gear in-line control mechanism as claimed in claim 8, wherein the clutch operating mechanism further comprises a wire sleeve, one end of the wire sleeve is connected to the lower end of the rotating rod, the other end of the wire sleeve is mounted on the second side wall through a fixing frame, and the operating wire passes through the wire sleeve.

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