CN110805627A

CN110805627A - Clutch switching device

Info

Publication number: CN110805627A
Application number: CN201911020038.4A
Authority: CN
Inventors: 罗带君
Original assignee: Changsha Zhiqinda Intellectual Property Agency Co Ltd
Current assignee: Hunan Zimo Environmental Technology Co.,Ltd.
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-02-18
Anticipated expiration: 2039-10-25
Also published as: CN110805627B

Abstract

The invention discloses a clutch switching device, which comprises an outer gear shaft, a shell, a clutch shaft, a double-sided impeller, a first output impeller, a second output impeller, a first transmission assembly, a second transmission assembly and a mobile drive, wherein the outer gear shaft is arranged on the shell; viscous liquid is filled in the shell; the clutch shaft penetrates out of the other end of the shell from one end of the shell, and both ends of the clutch shaft extend out of the shell; one end of the clutch shaft is movably and rotatably connected with the external gear shaft; the double-sided impeller is positioned in the shell and sleeved on the clutch shaft; the first impeller body and the second impeller body are respectively positioned at two ends of the inner part of the shell and externally sleeved on the clutch shaft; the first shaft sleeve and the second shaft sleeve respectively penetrate out of the shell from the inside of the shell, and the first shaft sleeve and the second shaft sleeve are sleeved on the clutch shaft; the first shaft sleeve is connected with the first transmission assembly; the second shaft sleeve is connected with the second transmission assembly. The invention has novel structural design, can quickly realize the work switching of the two actuating mechanisms and is flexible and convenient to use.

Description

Clutch switching device

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a clutch switching device.

Background

The situation that two executing mechanisms work alternately often appears in the situations of existing mechanical production, actual application of mechanical equipment and the like. In the prior art, two actuating mechanisms are respectively connected with a power device, when the first actuating mechanism acts, the first power device is started to drive the first actuating mechanism to work, and the second power device is in a closed state; when the second executing mechanism acts, the second power device is started to drive the second executing mechanism to work, the first power device is in a closed state, two power devices need to be put into the first executing mechanism, the input cost of the power devices is high, and when the two executing mechanisms work alternately frequently, the power devices are started and stopped frequently, the power devices are prone to being damaged, and the later maintenance cost is increased.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a clutch switching device which is novel in structural design, can quickly realize the work switching of two actuating mechanisms and is flexible and convenient to use.

In order to achieve the above object, the present invention provides a clutch switching device, comprising an external gear shaft, a housing, a clutch shaft, a double-sided impeller, a first output impeller, a second output impeller, a first transmission assembly, a second transmission assembly and a movement drive; viscous liquid is filled in the shell; the clutch shaft penetrates out of the other end of the shell from one end of the shell, and both ends of the clutch shaft extend out of the shell; the outer surface of the external gear shaft is provided with a gear; one end of the clutch shaft is movably and rotatably connected with the external gear shaft; the first output impeller comprises a first impeller body and a first shaft sleeve connected with the first impeller body; the second output impeller comprises a second impeller body and a second shaft sleeve connected with the second impeller body; the double-sided impeller is positioned in the shell and sleeved on the clutch shaft; the first impeller body and the second impeller body are respectively positioned at two ends of the inner part of the shell and externally sleeved on the clutch shaft; the first shaft sleeve and the second shaft sleeve respectively penetrate out of the shell from the inside of the shell, and the first shaft sleeve and the second shaft sleeve are sleeved on the clutch shaft; the first shaft sleeve is connected with the first transmission assembly; the second shaft sleeve is connected with the second transmission assembly; the movement driving component is connected with the clutch shaft and drives the clutch shaft to move axially.

Further, an inner spline groove is formed in the outer gear shaft, the inner spline groove penetrates through two ends of the outer gear shaft, and an outer spline matched with the inner spline groove is arranged at one end of the clutch shaft.

Furthermore, the clutch switching device also comprises a rack, the mobile driving assembly comprises a driving body, a swing rod, a connecting rod, a first driving lever and a second driving lever, and the driving body is connected with the rack; the driving body is rotatably connected with one end of the oscillating bar; the other end of the swing rod is provided with a waist round hole; the middle of the swing rod is rotationally connected with the rack through a first rotating pin shaft; the middle of the connecting rod is movably connected with the waist round hole of the swing rod through a second rotating pin shaft; one end of the first deflector rod and one end of the second deflector rod are respectively connected with two ends of the connecting rod; the other ends of the first deflector rod and the second deflector rod are respectively connected with the parts of the two ends of the clutch shaft extending out of the shell.

Furthermore, the clutch switching device also comprises a locking frame connected with the rack; an inner tooth socket is arranged on the locking frame; a locking wheel matched with the inner tooth groove is arranged on the clutch shaft; the other ends of the first driving lever and the second driving lever are respectively provided with a first locking sleeve and a second locking sleeve; the first locking sleeve and the second locking sleeve are sleeved on the clutch shaft; a first clamping block and a second clamping block are respectively arranged on the first locking sleeve and the second locking sleeve; and the first shaft sleeve and the second shaft sleeve are respectively provided with a first clamping groove and a second clamping groove which are matched with the first clamping block and the second clamping block.

Furthermore, the driving body comprises a frame body, an expansion and contraction component and a return spring, the frame body is connected with the rack, and the expansion and contraction component is rotatably connected with one end of the oscillating rod; one end of the thermal expansion and cold contraction assembly is connected with the inner side face of the frame body, the other end of the thermal expansion and cold contraction assembly is connected with one end of the return spring, and the other end of the return spring is connected with the opposite inner side face of the frame body; the telescopic direction of the thermal expansion and cold contraction component is parallel to the axial direction of the clutch shaft.

Further, the driving body comprises a rotating handle which is rotatably connected with the rack; the rotating handle is connected with one end of the swing rod.

Further, the driving body is a linear driving mechanism.

Further, the mobile driving assembly further comprises a sliding rail mounted on the rack; and the first driving lever and the second driving lever are respectively provided with a first sliding groove and a second sliding groove through which the sliding rail passes.

When the clutch switching device is used, the gear of the external gear shaft is meshed with the driving gear of the power device to drive the clutch switching device to work, the first transmission assembly and the second transmission assembly are respectively connected with the two actuating mechanisms, so that the clutch switching device is driven to work under the action of the power device, and the clutch switching device realizes the switching of the work of the two actuating mechanisms.

The working principle of the clutch switching device is as follows: when the two actuating mechanisms do not work, the clutch switching device is in a locked or idle running state, the first impeller body and the second impeller body cannot be driven to rotate when the double-sided impeller is positioned in the middle of the shell, and the power device is in an idle running or closed state; when a first actuating mechanism connected with the first transmission assembly works, the movement driving assembly drives the double-sided impeller to move towards the first impeller body, the double-sided impeller rotates to drive the first impeller body to rotate, and the first impeller body rotates to drive the first shaft sleeve to rotate, so that the first transmission assembly is driven to rotate, and the first actuating mechanism is driven to work; similarly, when the second actuating mechanism that is connected with second drive assembly during operation, remove drive assembly drive double-sided impeller and move towards the second impeller body, double-sided impeller rotates and drives the second impeller body and rotate, and the second impeller body rotates and drives the second shaft sleeve and rotate to drive second drive assembly and rotate, thereby drive second actuating mechanism work, so accomplish the switching function of two actuating mechanism works, it is nimble convenient to use.

When the clutch switching device is in a locked state, the double-sided impeller is positioned in the middle of the shell, the first impeller body and the second impeller body cannot be driven to rotate, and the locking wheel is matched with the inner tooth groove in the locking frame to prevent the clutch shaft from rotating.

The movement driving component can be an expansion and contraction component which extends or contracts in real time according to the change of the air temperature, and when the air temperature is reduced to be lower than the set temperature, the expansion and contraction component contracts, so that the clutch shaft is driven to move axially to enable the double-sided impeller to move towards the first impeller body, and the first impeller body rotates; when the air temperature rises above the set temperature, the thermal expansion and cold contraction assembly extends, so that the clutch shaft is driven to axially move to enable the double-faced impeller to move towards the second impeller body, and the second impeller body rotates; the moving driving component can also drive the clutch shaft to move axially by forward rotation or reverse rotation of the handle, and can also be an existing linear driving mechanism, such as an air cylinder, an oil cylinder, a gear rack mechanism and the like.

When the clutch switching device is switched to the first transmission assembly to output power, in order to ensure that the second transmission assembly does not rotate completely, the second impeller body is ensured not to rotate completely by the matching design of the second clamping block on the second locking sleeve and the second clamping groove on the second shaft sleeve. Meanwhile, when the clutch switching device is switched to the second transmission assembly to work, in order to ensure that the first transmission assembly does not rotate completely, the first impeller body does not rotate completely when the second impeller body rotates through the matching design of the first clamping block on the first locking sleeve and the first clamping groove on the first shaft sleeve, and the structure is stable and reliable.

The clutch switching device designed by the invention has the advantages of novel structure, flexible and convenient use, capability of realizing the switching of the work of the two actuating mechanisms, one power device, reduction of the input cost of the power device and the starting and stopping times of the power device, improvement of the service life of the power device, and capability of correspondingly meeting the requirements of the existing mechanical production, the actual application of mechanical equipment and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of the clutch switching device of the present invention in a locked state, in which the housing and the frame are cut open.

Fig. 2 is a perspective view corresponding to fig. 1, rotated by a certain angle, wherein the housing is in a non-cut-away state.

Fig. 3 is a partially enlarged view of fig. 1.

Fig. 4 is a partially enlarged view of fig. 1.

FIG. 5 is a perspective view of the clutch shaft, external spline, double-sided impeller assembly of the present invention.

Fig. 6 is a perspective view of the first impeller body of the present invention when rotated.

Fig. 7 is a perspective view of the second impeller body of the present invention when rotated.

Fig. 8 is a partial enlarged view corresponding to a point a in fig. 7.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It is to be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the generic and descriptive sense only and not for purposes of limitation, as the term is used in the generic and descriptive sense, and not for purposes of limitation, unless otherwise specified or implied, and the specific reference to a device or element is intended to be a reference to a particular element, structure, or component. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 8, the clutch switching device according to the present embodiment includes an external gear shaft 201, a housing 203, a clutch shaft 202, a double-sided impeller 204, a first output impeller, a second output impeller, a first transmission assembly 209, a second transmission assembly 210, and a movement driving assembly; viscous liquid is filled in the shell 203, specifically, the viscous liquid is water, engine oil and the like, preferably water, and is energy-saving and environment-friendly; the clutch shaft 202 penetrates out of the other end of the shell 203 from one end of the shell, and both ends of the clutch shaft 202 extend out of the shell 203; the outer surface of the external gear shaft 201 is provided with a gear 2011; one end of the clutch shaft 202 is movably and rotatably connected with the external gear shaft 201; specifically, an inner spline groove is formed in the outer gear shaft 201, the inner spline groove penetrates through two ends of the outer gear shaft 201, and an outer spline 224 matched with the inner spline groove is formed at one end of the clutch shaft 202, so that the clutch shaft 202 and the outer gear shaft 201 are connected in a movable and rotatable manner; specifically, the external spline 224 is an integral structure with the clutch shaft 202.

The first output impeller includes a first impeller body 205 and a first hub 208 connected to the first impeller body 205; the second output impeller comprises a second impeller body 206 and a second shaft sleeve 207 connected with the second impeller body 206, specifically, the first impeller body 205 and the first shaft sleeve 208 are in an integrated structure, and the second impeller body 206 and the second shaft sleeve 207 are in an integrated structure; the double-sided impeller 204 is located inside the housing 203 and is sleeved on the clutch shaft 202, and specifically, the double-sided impeller 204 is mounted on the clutch shaft 202 through a key; the first impeller body 205 and the second impeller body 206 are respectively located at two ends of the inside of the casing 203 and are sleeved on the clutch shaft 202; the first shaft sleeve 208 and the second shaft sleeve 207 respectively penetrate out of the shell 203 from the inside of the shell 203, and the first shaft sleeve 208 and the second shaft sleeve 207 are sleeved on the clutch shaft 202; the first shaft sleeve 208 is connected with the first transmission assembly 209; the second shaft sleeve 207 is connected with the second transmission assembly 210; the movement driving assembly is connected to the clutch shaft 202 and drives the clutch shaft 202 to move axially.

When the clutch switching device is used in the present embodiment, the gear 2011 of the external gear shaft 201 is engaged with a driving gear of the power device to drive the clutch switching device to operate, and the first transmission assembly 209 and the second transmission assembly 210 are respectively connected to two actuators, so that the clutch switching device is driven to operate under the action of the power device, and the clutch switching device realizes switching of the operations of the two actuators.

The working principle of the clutch switching device and the working principle of realizing the work switching of the two actuating mechanisms are as follows:

as clutch shaft 202 is moved axially by the motion of the motion drive assembly, double-sided impeller 204 is moved axially, thereby moving external splines 224 axially relative to external toothed shaft 202. As shown in fig. 1-4, when the moving driving assembly is not operated and the double-sided impeller 204 is located in the middle of the casing 203, the double-sided impeller 204 does not rotate to drive the first impeller body 205 and the second impeller body 206 to rotate, and both of the two actuators do not work at this time, that is, the clutch switching device is in a locked or idle state, and the corresponding power device is in an idle or closed state; as shown in fig. 6, when the first actuator connected to the first transmission assembly 209 needs to work, the movement driving assembly drives the double-sided impeller 204 to move toward the first impeller body 205, the double-sided impeller 204 rotates to drive the first impeller body 205 to rotate, and the first impeller body 205 rotates to drive the first shaft sleeve 208 to rotate, so as to drive the first transmission assembly 209 to rotate, thereby driving the first actuator to work; as shown in fig. 7, similarly, when the second actuator connected to the second transmission assembly 210 needs to work, the moving driving assembly drives the double-sided impeller 204 to move toward the second impeller body 206, the double-sided impeller 204 rotates to drive the second impeller body 206 to rotate, and the second impeller body 206 rotates to drive the second shaft sleeve 207 to rotate, so as to drive the second transmission assembly 210 to rotate, thereby driving the second actuator to work. This embodiment adopts viscous liquid to carry out energy transfer, not only moves steadily, simultaneously according to the drive distance between two-sided impeller 204 and the first impeller body 205 and the drive distance between two-sided impeller 204 and the second impeller body 205, realizes the regulation of first drive assembly 209 and second drive assembly 210 output rotational speed, and it is nimble convenient to use. In this embodiment, a sealing device is also included, and the sealing device may adopt a sealing form in which a sealing ring or a plurality of sealing members are matched, so as to seal the viscous liquid and prevent the viscous liquid from leaking.

Further preferably, the structure of the movement driving assembly is as follows:

the clutch switching device further comprises a frame 222, the housing 203 is mounted on the frame 222, and specifically, the housing 203 is detachably connected with the frame 222 through a fastener such as a bolt; the moving driving component comprises a driving body, a swing rod 214, a connecting rod 215, a first driving lever 217 and a second driving lever 216; the drive body is connected with the frame 222; the driving body is rotatably connected with one end of the swing rod 214; the other end of the swing rod 214 is provided with a waist circular hole 2140; the middle of the swing rod 214 is rotatably connected with the frame 222 through a first rotating pin shaft 210-0; the middle of the connecting rod 215 is movably connected with the waist circular hole 2140 of the swing rod 214 through a second rotating pin shaft 215-0; one ends of the first driving lever 217 and the second driving lever 216 are respectively connected with two ends of the connecting rod 215; the other ends of the first and

second levers

217 and 216 are connected to portions of both ends of the clutch shaft 202 extending out of the housing 203, respectively. In this embodiment, the first rotating pin 210-0 is fixed on the frame 222, and the swing link 214 can rotate relative to the first rotating pin 210-0. When the driving body drives the swing rod 214 to swing, the swing rod 214 rotates around the first rotating pin shaft 210-0, the swing rod 214 drives the connecting rod 215 to move parallel relative to the clutch shaft 202, wherein the second rotating pin shaft 215-0 is fixed on the connecting rod 215, and when the swing rod 214 swings, the second rotating pin shaft 215-0 moves in the waist circular hole 2140 without departing from the waist circular hole 2140, so that the change of the distance between the swing rod 214 and the connecting rod 215 during the swinging is adapted, and the swing rod 214 and the connecting rod 215 can normally move. When the connecting rod 215 moves parallel to the clutch shaft 202, the first driving rod 217 and the second driving rod 216 are driven to move axially, so as to drive the clutch shaft 202 to move axially, thereby realizing the switching of the clutch switching device and realizing the switching of the work of the two actuators.

The driving body of the present embodiment can adopt the following three structures:

the first structure is as follows: the driving body comprises a frame body 211, a thermal expansion and contraction component 212 and a return spring 213, wherein the frame body 211 is connected with the rack 222, and specifically, the frame body 211 is detachably connected with the rack 222 through fasteners such as bolts; the thermal expansion and cold contraction component 212 is rotatably connected with one end of the swing rod 214; one end of the thermal expansion and cold contraction component 212 is connected with the inner side surface of the frame body 211, the other end of the thermal expansion and cold contraction component is connected with one end of the return spring 213, and the other end of the return spring 213 is connected with the opposite inner side surface of the frame body 211; the expansion and contraction direction of the thermal expansion and contraction assembly 212 is parallel to the axial direction of the clutch shaft 202. Specifically, as shown in fig. 6, when the air temperature drops below the set temperature, the thermal expansion and contraction assembly contracts, thereby driving the clutch shaft 202 to move axially to move the double-sided impeller 204 toward the first impeller body 205, so that the first impeller body 205 rotates and the first actuator operates. As shown in fig. 7, when the air temperature rises to the set temperature or higher, the thermal expansion/contraction assembly 212 expands, the clutch shaft 202 is driven to move axially, the double-sided impeller 204 moves toward the second impeller body 206, the second impeller body 206 rotates, and the second actuator operates. In this embodiment, the thermal expansion and contraction assembly 212 includes a cylinder (not shown), a rubber piston (not shown) hermetically and slidably engaged with the cylinder, and a piston rod (not shown) connected to the rubber piston, and the cylinder and the rubber piston are filled with a thermal expansion and contraction medium, wherein the thermal expansion and contraction medium is made of a heat-sensitive material such as mercury. The cylinder is connected with the side surface of the frame body 211 through a fastening piece such as a bolt, the piston rod is welded with one end of the spring 213 into a whole, and the other end of the spring 213 is welded with the opposite side surface of the frame body 211 into a whole. The piston rod is rotatably connected with one end of the swing rod 214 through a pin shaft, and the other end of the swing rod 214 is rotatably connected with the middle of the connecting rod 215 through a pin shaft; one ends of the first driving lever 217 and the second driving lever 216 are respectively connected with two ends of the connecting rod 215 through pin shafts to rotate.

The second structure is as follows: the drive body includes a rotating handle (not shown) rotatably connected to the frame 222; the rotating handle is connected with one end of the swing rod 214, specifically, the rotating handle is in threaded connection with one end of the swing rod 214 or is in an integral structure, when the rotating handle rotates relative to the frame 222, the swing rod 214 is driven to swing, so that the clutch shaft 202 is driven to axially move under the action of the first driving lever 217 and the second driving lever 216, and the switching of the clutch switching device is realized. This embodiment is through artifical manual turning handle to realize switching, simplified structure.

A third structure: the driving body is a linear driving mechanism, which can be an existing cylinder, oil cylinder, electric push rod, gear rack mechanism, etc., and drives the swing rod 214 to swing through the linear driving mechanism, so that the clutch shaft 202 is driven to move axially under the action of the first driving lever 217 and the second driving lever 216, and the switching of the clutch switching device is realized.

In the embodiment, the three structural forms of the driving body are selected according to the actual use occasions of the clutch switching device, so that the clutch switching device is flexible and convenient to use and wide in application range.

In this embodiment, the mobile driving assembly further includes a slide rail 223 mounted on the frame 222; the first driving lever 217 and the second driving lever 216 are respectively provided with a first sliding slot and a second sliding slot through which the sliding rail 223 passes. In this embodiment, the slide rail 223 is detachably connected to the frame 222 through a fastening member such as a bolt, and the first slide groove and the second slide groove are matched with the slide rail 223 to achieve a guiding function when the first shift lever 217 and the second shift lever 216 axially move, so as to ensure the accuracy of the axial movement of the clutch shaft 202.

In this embodiment, it is further preferable that when the two actuators do not work, the clutch switching device is in a locked state, and the locking principle is as follows; meanwhile, when the first executing mechanism works, the locking principle for ensuring that the second executing mechanism does not work is adopted, and when the second executing mechanism works, the locking principle for ensuring that the first executing mechanism does not work is adopted, as follows:

as shown in fig. 1 to 8, the clutch switching device further includes a locking frame 220 connected to the frame 222; specifically, the locking frame 220 is connected to the frame 222 by a fastener such as a bolt; an inner tooth socket 2201 is arranged on the locking frame 220; the other end of the clutch shaft 202 is provided with a locking wheel 221 matched with the inner tooth groove 2201, and specifically, the locking wheel 221 is connected with the clutch shaft 202 through a key; the other ends of the first driving lever 217 and the second driving lever 216 are respectively provided with a first locking sleeve 219 and a second locking sleeve 218, the first locking sleeve 219 and the second locking sleeve 218 are sleeved on the clutch shaft 202, and specifically, as shown in fig. 5, the two ends of the clutch shaft 202 are provided with annular grooves 2020; the first locking sleeve 219 and the second locking sleeve 218 are respectively sleeved at the annular grooves 2020 at two ends of the clutch shaft 202 in an external manner, under the action of the annular grooves 2020, when the clutch shaft 202 rotates, the first locking sleeve 219 and the second locking sleeve 218 do not rotate and do not interfere with the rotation of the clutch shaft 202, and when the swing rod 214 swings to drive the first driving lever 217 and the second driving lever 216 to axially move, the first locking sleeve 219 and the second locking sleeve 218 drive the clutch shaft 202 to axially move; as shown in fig. 6, the first locking sleeve 219 and the second locking sleeve 218 are respectively provided with a first latch 2190 and a second latch 2180; the first shaft sleeve 208 and the second shaft sleeve 207 are respectively provided with a first clamping groove 2080 and a second clamping groove 2070 which are matched with the first clamping block 2190 and the second clamping block 2180. In this embodiment, the first driver 217, the first locking sleeve 219, and the first latch 2190 are integrally formed, and the second driver 216, the second locking sleeve 218, and the second latch 2180 are integrally formed. A plurality of first fixture blocks 2190 are uniformly distributed along the circumference of the first locking sleeve 219, and a plurality of first clamping grooves 2080 which are the same as the first fixture blocks 2190 in number and are opposite in position are uniformly distributed along the circumference corresponding to the first shaft sleeve 208. The plurality of second locking blocks 2180 are uniformly distributed along the circumference of the second locking sleeve 218, and a plurality of second locking slots 2070 which are the same as the second locking blocks 2180 in number and opposite to each other in position are uniformly distributed along the circumference corresponding to the second shaft sleeve 207. When the double-sided impeller 204 is in the middle, both the two actuators do not work, and at this time, the locking wheel 221 is matched with the internal tooth groove 2201 on the locking frame 220 (as shown in fig. 4), so that the clutch shaft 202 is prevented from rotating, namely, the clutch switching device is locked without idling under the action of the locking frame 220 and the locking wheel 221, and energy waste is prevented. When the clutch shaft 202 is driven by the movable driving component to move axially, the locking wheel 221 is separated from the locking frame 220; as shown in fig. 6, when the double-sided impeller 204 moves towards the first impeller body 205 to drive the first impeller body 205 to rotate, in order to further ensure that the second impeller body 206 does not rotate, the second locking block 2180 on the second locking sleeve 218 is locked into the second locking groove 2070 of the second shaft sleeve 207, so as to prevent the second impeller body 206 from rotating; as shown in fig. 7, similarly, when the double-sided impeller 204 moves towards the second impeller body 206 to drive the second impeller body 206 to rotate, in order to ensure that the first impeller body 205 does not rotate, the first latch 2190 on the first locking sleeve 219 is latched into the first latch groove 2080 of the first shaft sleeve 208, so as to prevent the first impeller body 205 from rotating. In this embodiment, the matching design of the first engaging block 2190, the first engaging groove 2080, the second engaging block 2180 and the second engaging groove 2070 is selected according to actual needs.

In this embodiment, when the clutch switching device is switched to the first transmission assembly 209 to output power, in order to ensure that the second transmission assembly 210 does not rotate at all, the second engaging block 2180 on the second locking sleeve 218 and the second engaging groove 2070 on the second shaft sleeve 207 are designed to cooperate with each other to ensure that the second impeller body 206 does not rotate at all when the first impeller body 205 rotates. Similarly, when the clutch switching device is switched to the second transmission assembly 210 to output power, for the first transmission assembly 209 not to rotate at all, the first locking block 2190 on the first locking sleeve 219 and the first locking groove 2080 on the first shaft sleeve 208 are designed in a matching manner, so that when the second impeller body 206 rotates, the first impeller body 205 does not rotate at all, and the structure is stable and reliable.

In this embodiment, the first transmission assembly 209 and the second transmission assembly 210 adopt a pulley belt structure or a sprocket chain structure. Preferably, a pulley belt configuration is employed. Wherein the driving pulley and the driven pulley of the first transmission component 209 are respectively mounted on the first shaft sleeve 208 and the first transmission shaft 305 through keys, and the driving pulley and the driven pulley of the second transmission component 210 are respectively mounted on the second shaft sleeve 207 and the second transmission shaft 405 through keys.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A clutch switching device is characterized by comprising an external gear shaft, a shell, a clutch shaft, a double-sided impeller, a first output impeller, a second output impeller, a first transmission assembly, a second transmission assembly and a mobile drive; viscous liquid is filled in the shell; the clutch shaft penetrates out of the other end of the shell from one end of the shell, and both ends of the clutch shaft extend out of the shell; the outer surface of the external gear shaft is provided with a gear; one end of the clutch shaft is movably and rotatably connected with the external gear shaft; the first output impeller comprises a first impeller body and a first shaft sleeve connected with the first impeller body; the second output impeller comprises a second impeller body and a second shaft sleeve connected with the second impeller body; the double-sided impeller is positioned in the shell and sleeved on the clutch shaft; the first impeller body and the second impeller body are respectively positioned at two ends of the inner part of the shell and externally sleeved on the clutch shaft; the first shaft sleeve and the second shaft sleeve respectively penetrate out of the shell from the inside of the shell, and the first shaft sleeve and the second shaft sleeve are sleeved on the clutch shaft; the first shaft sleeve is connected with the first transmission assembly; the second shaft sleeve is connected with the second transmission assembly; the movement driving component is connected with the clutch shaft and drives the clutch shaft to move axially.

2. A clutch switching device according to claim 1, characterized in that the outer gear shaft is provided with inner spline grooves therein, the inner spline grooves extend through both ends of the outer gear shaft, and one end of the clutch shaft is provided with outer splines which are matched with the inner spline grooves.

3. The clutch switching device as claimed in claim 1, wherein the clutch switching device further comprises a frame, the movable driving assembly comprises a driving body, a swing rod, a connecting rod, a first driving lever and a second driving lever, and the driving body is connected with the frame; the driving body is rotatably connected with one end of the oscillating bar; the other end of the swing rod is provided with a waist round hole; the middle of the swing rod is rotationally connected with the rack through a first rotating pin shaft; the middle of the connecting rod is movably connected with the waist round hole of the swing rod through a second rotating pin shaft; one end of the first deflector rod and one end of the second deflector rod are respectively connected with two ends of the connecting rod; the other ends of the first deflector rod and the second deflector rod are respectively connected with the parts of the two ends of the clutch shaft extending out of the shell.

4. A clutched switch device, as claimed in claim 3, further comprising a locking frame connected to said frame; an inner tooth socket is arranged on the locking frame; a locking wheel matched with the inner tooth groove is arranged on the clutch shaft; the other ends of the first driving lever and the second driving lever are respectively provided with a first locking sleeve and a second locking sleeve; the first locking sleeve and the second locking sleeve are sleeved on the clutch shaft; a first clamping block and a second clamping block are respectively arranged on the first locking sleeve and the second locking sleeve; and the first shaft sleeve and the second shaft sleeve are respectively provided with a first clamping groove and a second clamping groove which are matched with the first clamping block and the second clamping block.

5. The clutch switching device according to claim 3, wherein the driving body comprises a frame, a thermal expansion and contraction component and a return spring, the frame is connected with the rack, and the thermal expansion and contraction component is rotatably connected with one end of the swing rod; one end of the thermal expansion and cold contraction assembly is connected with the inner side face of the frame body, the other end of the thermal expansion and cold contraction assembly is connected with one end of the return spring, and the other end of the return spring is connected with the opposite inner side face of the frame body; the telescopic direction of the thermal expansion and cold contraction component is parallel to the axial direction of the clutch shaft.

6. A clutch switching apparatus according to claim 3, wherein said drive body includes a rotatable handle rotatably connected to said frame; the rotating handle is connected with one end of the swing rod.

7. A clutch switching apparatus according to claim 3, characterised in that the drive body is a linear drive mechanism.

8. A clutch switching apparatus according to claim 3, wherein said movable driving assembly further comprises a slide rail mounted to said frame; and the first driving lever and the second driving lever are respectively provided with a first sliding groove and a second sliding groove through which the sliding rail passes.