CN220890851U - Heat insulation coupling clutch - Google Patents

Abstract

The utility model discloses a heat-insulating coupling clutch which comprises a holding shaft sleeve, an elastic taper sleeve, a cross slide block, a transmission convex key shaft, a connecting shaft sleeve, a spring, a connecting key, a locking screw and a positioning screw, wherein the elastic taper sleeve is sleeved on a driven shaft, a taper inner hole matched with the elastic taper sleeve is formed in one end of the holding shaft sleeve, a fixing hole is formed in the other end of the holding shaft sleeve, and the locking screw penetrates through the fixing hole and is in threaded connection with the driven shaft; one end of the connecting shaft sleeve is connected with the driving shaft, the other end of the connecting shaft sleeve is provided with a connecting hole, the spring is transversely arranged in the connecting hole, the side wall of the other end of the connecting shaft sleeve is provided with a first key groove, the middle part of the transmission convex key shaft is provided with a second key groove, and one end of the transmission convex key shaft extends into the connecting hole to enable the second key groove to be aligned with the first key groove for inserting a connecting key, and a positioning screw is used for positioning the connecting key; the cross slide block is made of heat-insulating materials, grooves are formed in two sides of the cross slide block, and convex keys matched with the grooves are arranged at the other ends of the holding shaft sleeve and the transmission convex key shaft; the utility model has convenient disassembly and assembly and can isolate heat transfer between two shafts.

Description

Heat insulation coupling clutch

Technical Field

The utility model belongs to the technical field of couplings, and particularly relates to a heat-insulating coupling.

Background

The coupling is a device for connecting two shafts, namely a driven shaft and a driving shaft (most of which refer to the driving shaft), and rotating together in the process of transmitting motion and power, and is not disconnected under normal conditions, and the conventional coupling has the following defects:

1. The existing shaft coupling is made of aluminum or common steel, has no heat insulation effect, is connected with a rotating shaft of a driving motor and a main shaft (driven shaft) of a certain device, and when the device where the main shaft is positioned is provided with a heating element for heating, if the shaft coupling cannot insulate heat, heat can be conducted to the driving motor, so that the operation of the driving motor is influenced;

2. The existing locking modes of the coupling and the shaft connection are generally two, one is that a plurality of threaded holes are formed in the coupling in the radial direction, and the shaft is pushed radially through a plurality of screw threaded holes, so that the shaft is locked; the other is that a through vertical groove is axially formed in the coupler, bolt head hole sites and thread hole sites are formed in two sides of the vertical groove, and bolts sequentially penetrate through the bolt head hole sites and the vertical groove to be screwed with the thread hole sites to realize locking, for example, patent with publication number CN 217898573U. Both locking modes are inconvenient to assemble and disassemble, so that the connection of the two shafts is inconvenient to break, the screw teeth of the screw and the bolt are easy to damage due to long-time use and frequent assembly and disassembly of the coupler, and the service life of the coupler is influenced.

Disclosure of utility model

The utility model aims to provide a heat-insulating coupling, which solves the problems that the existing coupling cannot insulate heat and is inconvenient to disassemble and assemble.

To achieve the above object, the solution of the present utility model is: the heat-insulating coupling clutch comprises a holding shaft sleeve, an elastic taper sleeve, a cross slide block, a transmission convex key shaft, a connecting shaft sleeve, a spring, a connecting key, a locking screw and a positioning screw, wherein the elastic taper sleeve is sleeved on a driven shaft, a taper inner hole matched with the elastic taper sleeve is formed in one end of the holding shaft sleeve, and a fixing hole communicated with the taper inner hole is formed in the center of the other end of the holding shaft sleeve; when one end of the clasping shaft sleeve is sleeved on the elastic taper sleeve, the locking screw penetrates through the fixing hole and is in threaded connection with the driven shaft, so that the elastic taper sleeve clasps the driven shaft; one end of the connecting shaft sleeve is connected with the driving shaft, a connecting hole is formed in the other end of the connecting shaft sleeve, the spring is transversely arranged in the connecting hole, a first key groove communicated with the connecting hole is radially formed in the side wall of the other end of the connecting shaft sleeve, a second key groove is formed in the middle of the transmission convex key shaft, and when one end of the transmission convex key shaft stretches into the connecting hole to compress the spring, the second key groove is aligned with the first key groove for the insertion of the connecting key; the center of the other end of the transmission convex key shaft is axially provided with a mounting hole communicated with the second key groove, the positioning screw is in threaded connection with the mounting hole, one side of the connecting key, which is aligned to the positioning screw, is provided with a V-shaped groove, and the tail end of the positioning screw is clamped into the V-shaped groove; grooves which are crisscross are formed in two sides of the cross sliding block, and convex keys matched with the grooves are formed in the other ends of the holding shaft sleeve and the transmission convex key shaft.

Further, the side wall of the elastic taper sleeve is provided with a slit which penetrates through the side wall in the axial direction.

Further, a fixing hole is formed in the center of the other end of the enclasping shaft sleeve, an internal thread is arranged in the center of one end of the driven shaft, and the locking screw penetrates through the fixing hole and is in threaded connection with the internal thread.

Further, two grooves are respectively formed in two sides of the cross slide block, two corresponding convex keys are axially arranged at the other end of the transmission convex key shaft, and two corresponding convex keys are axially arranged at two sides of the fixing hole in a protruding mode at the other end of the holding shaft sleeve.

Further, a through hole is formed in the center of the cross slide block, and the through hole is reserved for the head of the locking screw.

The connecting shaft sleeve is characterized by further comprising a fixed key and a jackscrew, wherein a connecting hole is formed in one end of the connecting shaft sleeve, a third key groove is formed in the side wall of the connecting hole, a fourth key groove is formed in one end of the driving shaft, the fixed key is arranged in the fourth key groove, and when one end of the connecting shaft sleeve is sleeved on one end of the driving shaft, the fixed key slides into the third key groove; and one end of the connecting shaft sleeve is provided with a jackscrew hole which is communicated with the third key groove in the radial direction, and the jackscrew penetrates through the jackscrew hole to be propped against the fixed key.

Further, one end of the driving shaft is provided with a chuck, and one end of the connecting shaft sleeve is clamped and fixed by the chuck.

Further, first keyway has all been seted up to the both sides wall of adapter sleeve one end, the second keyway radially runs through the middle part of transmission protruding key axle, and when second keyway and two first keyways were aligned, the adapter was inserted in second keyway and the two first keyways.

Further, the cross slide block is made of heat insulation materials.

After the scheme is adopted, the beneficial effects of the utility model are as follows:

1. According to the utility model, the cross slide block made of heat-insulating materials is arranged between the holding shaft sleeve and the transmission convex key shaft, so that heat can be isolated, the device where the driven shaft is positioned can be used for preventing heat generated by heating the heating element from being transmitted to the driving motor where the driving shaft is positioned, and the operation of the driving motor is not influenced.

2. According to the utility model, the driven shaft and the holding shaft sleeve are locked through the elastic taper sleeve and the locking screw, the outer periphery of the elastic taper sleeve is a conical surface, the inner periphery of the elastic taper sleeve is a cylindrical surface and can be sleeved on the driven shaft, then the holding shaft sleeve is sleeved on the elastic taper sleeve, the locking screw penetrates through a fixing hole in the center of the other end of the holding shaft sleeve and is in threaded connection with the driven shaft, so that the elastic taper sleeve and the holding shaft sleeve can be axially locked, meanwhile, the elastic taper sleeve has elasticity, and the driven shaft and the holding shaft sleeve can be held tightly while the locking screw is locked, so that the driven shaft is locked circumferentially, the driven shaft and the holding shaft sleeve are tightly matched, and the driven shaft rotates more stably; the locking screw is axially locked with the driven shaft, so that the abrasion of the locking screw is very small when the motor drives the driven shaft to rotate circumferentially, and the holding shaft sleeve and the elastic cone sleeve can be taken down only by detaching the locking screw, so that the locking screw is very convenient to detach;

When one end of the driving shaft is connected with one end of the connecting shaft sleeve and one end of the driving convex key shaft stretches into a connecting hole in the other end of the connecting shaft sleeve to compress the spring, the second key groove is aligned with the first key groove, the connecting key is inserted into the first key groove and the second key groove, the spring is kept in a compressed state to be abutted against the driving convex key shaft, then the positioning screw is in threaded connection in the mounting hole, the tail end of the positioning screw is clamped into the V-shaped groove, and the driving convex key shaft can be rapidly mounted; finally, the cross slide block is arranged between the enclasping shaft sleeve and the transmission convex key shaft, and the driven shaft or the driving shaft is axially moved to enable the convex key to be matched with the groove, so that the installation of the whole heat-insulation coupling clutch can be completed; the cross slide block is used as a vulnerable part and needs to be replaced frequently, and the male key shaft and the cross slide block or the holding shaft sleeve and the cross slide block can be transmitted separately by axially moving the driving shaft or the driven shaft, so that the cross slide block can be replaced, and the replacement is very convenient; the replacement of the enclasping shaft sleeve and the transmission convex key shaft is also very convenient, the disassembly and assembly of the enclasping shaft sleeve are described, when the transmission convex key shaft is replaced, the spring can reset to automatically pop up the transmission convex key shaft as long as the connecting key is taken out, the replacement can be carried out, the disassembly and the assembly are convenient and quick, and the operation is simple.

3. When the driving shaft is connected with the driven shaft, if the driven shaft has axial displacement, poor fit and uneven wear of the joint of the driven shaft and the driving shaft are caused, the spring is arranged between the transmission convex key shaft and the connecting shaft sleeve, and when the driven shaft is axially displaced, the transmission convex key shaft axially pushes the spring to enable the spring to stretch and retract, so that the axial displacement of the driven shaft is automatically compensated, and a good fit state is kept; and the spring can also provide pretightening force, so that the stress at the joint of the driven shaft and the driving shaft is more uniform, and the vibration is smaller, thereby ensuring that the abrasion is more uniform and reducing the abrasion.

4. The tail end of the positioning screw is clamped into the V-shaped groove, and the positioning screw and the V-shaped groove are matched to not only abut against the positioning connecting key, but also limit the positioning key to move up and down so as to prevent the connecting piece from falling out of the first key groove and the second key groove.

5. Grooves are formed in two sides of the cross slide block and are matched with convex keys at the other ends of the enclasping shaft sleeve and the transmission convex key shaft, the transmission convex key shaft and the cross slide block or the enclasping shaft sleeve and the cross slide block can be separated by axially moving the driving shaft or the driven shaft, so that the connection between the driven shaft and the driving shaft is disconnected, the driven shaft and the driving shaft can be connected again by matching the convex keys of the enclasping shaft sleeve or the transmission convex key shaft with the grooves of the cross slide block, quick clutch is realized, the driving shaft and the driven shaft can be disconnected or connected quickly without detaching the whole heat-insulating coupling, and convenience is provided for maintenance and replacement work.

Drawings

FIG. 1 is a cross-sectional view of an insulated coupling according to an embodiment of the utility model;

FIG. 2 is an exploded view of an insulated coupling according to an embodiment of the present utility model;

FIG. 3 is a partial cross-sectional view of an insulated coupling according to another embodiment of the utility model;

FIG. 4 is a perspective view of an insulated coupling according to another embodiment of the present utility model;

FIG. 5 is an exploded view of an insulated coupling according to another embodiment of the present utility model;

FIG. 6 is a front view of a slider cross of the present utility model;

FIG. 7 is a side view of a slider cross of the present utility model.

Description of the reference numerals:

1. Tightly holding the shaft sleeve; 11. taper inner hole; 12. a fixing hole; 13. a convex key; 2. an elastic taper sleeve; 21. slotting; 3. a cross slide block; 31. a groove; 32. a through hole; 4. a transmission convex key shaft; 41. a second keyway; 42. a mounting hole; 5. a connecting shaft sleeve; 51. a spring; 52. a connecting key; 521. a V-shaped groove; 53. a first keyway; 54. a connection hole; 55. a coupling hole; 56. a third keyway; 57. a fixed key; 58. a jackscrew; 59. a top thread hole; 6. a locking screw; 7. a driving shaft; 8. a driven shaft; 81. a chuck; 82. a fourth keyway; 9. and (5) positioning a screw.

Detailed Description

The utility model will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-7, the utility model provides a heat insulation coupling clutch, which comprises a holding shaft sleeve 1, an elastic taper sleeve 2, a cross slide block 3, a transmission convex key shaft 4, a connecting shaft sleeve 5, a spring 51, a connecting key 52, a locking screw 6 and a positioning screw 9, wherein the outer periphery of the elastic taper sleeve 2 is a conical surface with taper, and the inner periphery is a cylindrical surface which can be sleeved on a driven shaft 8; a taper inner hole 11 matched with the elastic taper sleeve 2 is formed in one end of the enclasping shaft sleeve 1, the diameter of the taper inner hole 11 gradually decreases from one end of the enclasping shaft sleeve 1 to the other end, and a fixing hole 12 communicated with the taper inner hole 11 is formed in the center of the other end of the enclasping shaft sleeve 1; during installation, the elastic taper sleeve 2 is sleeved on the driven shaft 8, then one end of the holding shaft sleeve 1 is sleeved on the elastic taper sleeve 2, finally the locking screw 6 penetrates through the fixing hole 12 to be in threaded connection with the driven shaft 8, the locking screw 6 can axially lock the holding shaft sleeve 1 and the elastic taper sleeve 2, the elastic taper sleeve 2 is preferably made of heat-treated metal and has elasticity, and the locking screw 6 can be expanded when locked, so that the driven shaft 8 and the holding shaft sleeve 1 are held tightly, the driven shaft 8 is locked circumferentially, and the driven shaft 8 is prevented from rotating relatively to the holding shaft sleeve 1.

One end of the connecting shaft sleeve 5 is connected with the driving shaft 7, a connecting hole 54 is formed in the other end of the connecting shaft sleeve 5, the spring 51 is transversely arranged in the connecting hole 54, a first key groove 53 communicated with the connecting hole 54 is formed in the side wall of the other end of the connecting shaft sleeve 5 in the radial direction, a second key groove 41 is formed in the middle of the transmission convex key shaft 4, a mounting hole 42 communicated with the second key groove 41 is formed in the center of the other end of the transmission convex key shaft 4 in the axial direction, the positioning screw 9 is in threaded connection with the mounting hole 42, a V-shaped groove 521 is formed in one side of the connecting key 52 aligned with the positioning screw 9, and the tail end of the positioning screw 9 is clamped into the V-shaped groove 521; during installation, one end of the transmission convex key shaft 4 stretches into the connecting hole 54 to push the compression spring 51 until the second key groove 41 is aligned with the first key groove 53, then the connecting key 52 is inserted into the first key groove 53 and the second key groove 41, the spring 51 maintains a compression state to abut against the transmission convex key shaft 4, finally the positioning screw 9 is connected in the installation hole 42 in a threaded mode, the tail end of the positioning screw 9 is clamped into the V-shaped groove 521, and the transmission convex key shaft 4 can be installed quickly and conveniently.

In addition, when the driven shaft 8 is connected with the driving shaft 7, if the driven shaft 8 axially displaces, the transmission convex key shaft 4 axially pushes against the spring 51 to enable the spring 51 to stretch and retract, so that the axial displacement of the driven shaft 8 is automatically compensated, a good matching state is kept, the transmission convex key shaft 4 can drive the connecting key 52 to axially move in the first key groove 53 when axially pushing against the spring 51, so that the length of the first key groove 53 is larger than the width of the connecting key 52, a space is provided for the axial movement of the connecting key 52, the width of the connecting key 52 can be the same as the width of the second key groove 42, and the positioning screw 9 is convenient for positioning and locking the connecting key 52; moreover, the spring 51 can also provide pretightening force, so that the stress at the joint of the driven shaft 8 and the driving shaft 7 is more uniform, and therefore, the joint maintains a good matching state, vibration is reduced, and uneven wear is avoided.

The two sides of the cross sliding block 3 are provided with grooves 31 which are crisscross, the other ends of the enclasping shaft sleeve 1 and the transmission convex key shaft 4 are respectively provided with a convex key 13 matched with the grooves 31, after the enclasping shaft sleeve 1 and the transmission convex key shaft 4 are installed, the cross sliding block 3 is arranged between the enclasping shaft sleeve 1 and the transmission convex key shaft 4, and the driving shaft 7 or the driven shaft 8 is axially moved to enable the convex key 13 and the grooves 31 to be matched with each other so as to complete the installation of the whole heat-insulating coupling clutch, and the attention is paid to the fact that a small space needs to be reserved between the enclasping shaft sleeve 1 and the transmission convex key shaft 4 and the cross sliding block 3 to vacate the space for the expansion due to heat and contraction due to abrasion and the displacement of the driven shaft 8 of the cross sliding block 3.

The cross slide block 3 is made of heat insulation materials, heat transfer between the driven shaft 8 and the driving shaft 7 can be isolated, prevented heat is conducted to the driven shaft 8, devices where the driven shaft 8 and the driving shaft 7 are located are not affected by each other, most of devices where the driving shaft 7 is located are driving motors, and heat generated by heating a heating piece is mainly prevented from being conducted to the driving motors by the devices where the driven shaft 7 is located, so that operation of the driving motors is not affected.

The heat-insulating coupling clutch is adopted to facilitate the clutch of the driving shaft 7 and the driven shaft 8, the driving convex key shaft 4 and the cross slide block 3 or the enclasping shaft sleeve 1 and the cross slide block 3 can be separated by axially moving the driving shaft 7 or the driven shaft 8 outwards, so that the connection of the driven shaft 8 and the driving shaft 7 is disconnected, the driving shaft 7 or the driven shaft 8 can be reset to enable the convex key 13 of the driving convex key shaft 4 or the enclasping shaft sleeve 1 to be matched with the groove 31 of the cross slide block 3, the driven shaft 8 and the driving shaft 7 can be connected again, and the rapid clutch of the driven shaft 8 and the driving shaft 7 can be realized without detaching the whole heat-insulating coupling, thereby providing convenience for maintenance and replacement work.

Because the grooves 31 on two sides of the cross slide block 3 are respectively matched with the convex keys 13 of the holding shaft sleeve 1 and the transmission convex key shaft 4 to realize clutch, the cross slide block 3 is a wearing part and needs to be replaced frequently, the cross slide block 3 can be removed for replacement by axially moving the driving shaft 7 outwards or the driven shaft 8 to disconnect the driving shaft 7 from the driven shaft 8, the holding shaft sleeve 1 and the transmission convex key 13 can also be replaced quickly, the driving shaft 7 or the driven shaft 8 is axially moved outwards, the holding shaft sleeve 1 can be removed for replacement by removing the locking screw 6, and after the connecting key 52 is taken out, the spring 51 can reset to automatically pop up the transmission convex key shaft 4 for replacing the transmission convex key shaft 4.

Referring to fig. 1 and 2, in an embodiment, a coupling hole 55 is formed in one end of the connecting shaft sleeve 5, a third key slot 56 is formed in a side wall of the coupling hole 55, a fourth key slot 82 is formed in one end of the driving shaft 7, a fixing key 57 is disposed in the fourth key slot 82, when one end of the connecting shaft sleeve 5 is sleeved on one end of the driving shaft 7, the fixing key 57 slides into the third key slot 56, a jackscrew hole 59 which is communicated with the third key slot 56 is formed in one end of the connecting shaft sleeve 5 in a radial direction, and a jackscrew 58 is disposed to penetrate through the jackscrew hole 59 to be propped against the fixing key 57, so that the fixing key 57 is positioned, and the installation of the connecting shaft sleeve 5 and the driving shaft 7 is completed. The fixed key 57 is preferably a flat key, so that the third key groove 56 and the fourth key groove 82 are simple to process, low in cost and suitable for most common motors.

With particular reference to fig. 3-5, in another embodiment, a chuck 81 is mounted on one end of the main shaft of the driving motor, that is, a chuck 81 is disposed on one end of the driving shaft 7, and the chuck 81 clamps and fixes one end of the connecting shaft sleeve 5, so that the connecting shaft sleeve 5 is fixedly connected with the driving shaft 7, and the chuck 81 is preferably a spring chuck 81, so that the assembly and the disassembly are convenient, quick and the assembly is firm. Clamping and fixing

Referring to fig. 1 and 3, the two side walls at one end of the connecting sleeve 5 are provided with first keyways 53, the second keyways 41 radially penetrate through the middle part of the transmission male key shaft 4, when the second keyways 41 are aligned with the two first keyways 53, the connecting key 52 is inserted into the second keyways 41 and the two first keyways 53, so that the transmission male key shaft 4 is firmly and stably connected with the connecting shaft, and the positioning screw 9 and the V-shaped groove 521 can limit the connecting piece 52 to move up and down to be separated from the first keyways 53 and the second keyways 41.

Referring to fig. 1 and 2, the side wall of the elastic taper sleeve 2 is provided with a slot 21 penetrating axially, the slot 21 is provided with a space for deformation of the elastic taper sleeve 2, so that the elastic taper sleeve 2 can be deformed to tightly hold the shaft sleeve 1 and the driven shaft 8, and the elastic taper sleeve 2 is also conveniently sleeved on the driven shaft 8 through the slot 21.

Referring to fig. 1, a through hole 32 is formed in the center of the cross slide 3, and if the head of the locking screw 6 for locking the hugging sleeve 1 is long, the through hole 32 can be the head of the locking screw 6 for abdication, so that materials can be saved. Therefore, with reference to fig. 6 and 7, the cross slide 3 is provided with grooves 31 on two sides of the through hole 32, the two grooves 31 on one side of the cross slide 3 are symmetrical along the center of the through hole 32, the grooves 31 on two sides of the cross slide 3 are crisscross, the other end of the holding sleeve 1 is axially provided with two convex keys 13 on two sides of the fixing hole 12, and the two convex keys 13 are symmetrical relative to the center line of the fixing hole 12 so as to be matched with the two grooves 31 on one side of the cross slide 3.

The above embodiments are only preferred embodiments of the present utility model, and are not limited to the present utility model, and all equivalent changes made according to the design key of the present utility model fall within the protection scope of the present utility model.

Claims (9)

1. A thermal-insulated shaft coupling clutch, characterized in that: the device comprises a holding shaft sleeve, an elastic taper sleeve, a cross slide block, a transmission convex key shaft, a connecting shaft sleeve, a spring, a connecting key, a locking screw and a positioning screw, wherein the elastic taper sleeve is sleeved on a driven shaft, a taper inner hole matched with the elastic taper sleeve is formed in one end of the holding shaft sleeve, and a fixing hole communicated with the taper inner hole is formed in the center of the other end of the holding shaft sleeve; when one end of the clasping shaft sleeve is sleeved on the elastic taper sleeve, the locking screw penetrates through the fixing hole and is in threaded connection with the driven shaft, so that the elastic taper sleeve clasps the driven shaft; one end of the connecting shaft sleeve is connected with the driving shaft, a connecting hole is formed in the other end of the connecting shaft sleeve, the spring is transversely arranged in the connecting hole, a first key groove communicated with the connecting hole is radially formed in the side wall of the other end of the connecting shaft sleeve, a second key groove is formed in the middle of the transmission convex key shaft, and when one end of the transmission convex key shaft stretches into the connecting hole to compress the spring, the second key groove is aligned with the first key groove for the insertion of the connecting key; the center of the other end of the transmission convex key shaft is axially provided with a mounting hole communicated with the second key groove, the positioning screw is in threaded connection with the mounting hole, one side of the connecting key, which is aligned to the positioning screw, is provided with a V-shaped groove, and the tail end of the positioning screw is clamped into the V-shaped groove; grooves which are crisscross are formed in two sides of the cross sliding block, and convex keys matched with the grooves are formed in the other ends of the holding shaft sleeve and the transmission convex key shaft.

2. An insulating coupling clutch as defined in claim 1, wherein: the side wall of the elastic taper sleeve is provided with a slit which axially penetrates through the side wall.

3. An insulating coupling clutch as defined in claim 1, wherein: the center of the other end of the enclasping shaft sleeve is provided with a fixing hole, the center of one end of the driven shaft is provided with an internal thread, and the locking screw penetrates through the fixing hole to be in threaded connection with the internal thread.

4. A thermally insulating coupling as claimed in claim 3 wherein: two grooves are respectively formed in two sides of the cross slide block, two corresponding convex keys are axially arranged at the other end of the transmission convex key shaft, and two corresponding convex keys are axially arranged at two sides of the fixing hole in a protruding mode at the other end of the holding shaft sleeve.

5. An insulating coupling clutch as defined in claim 1, wherein: the center of the cross slide block is provided with a through hole, and the through hole is the head abdication of the locking screw.

6. An insulating coupling clutch as defined in claim 1, wherein: the connecting shaft sleeve is characterized by further comprising a fixed key and a jackscrew, wherein a connecting hole is formed in one end of the connecting shaft sleeve, a third key groove is formed in the side wall of the connecting hole, a fourth key groove is formed in one end of the driving shaft, the fixed key is arranged in the fourth key groove, and when one end of the connecting shaft sleeve is sleeved on one end of the driving shaft, the fixed key slides into the third key groove; and one end of the connecting shaft sleeve is provided with a jackscrew hole which is communicated with the third key groove in the radial direction, and the jackscrew penetrates through the jackscrew hole to be propped against the fixed key.

7. An insulating coupling clutch as defined in claim 1, wherein: one end of the driving shaft is provided with a chuck, and the chuck clamps and fixedly connects with one end of the shaft sleeve.

8. An insulating coupling clutch as defined in claim 1, wherein: first keyway has all been seted up to the both sides wall of adapter sleeve one end, the second keyway radially runs through the middle part of transmission protruding key axle, and when second keyway and two first keyways were aligned, the adapter was inserted in second keyway and the two first keyways.

9. An adiabatic coupling as claimed in any one of claims 1 to 8, wherein: the cross slide block is made of heat insulation materials.