CN116201821A - Air-cooled cylinder type coupling - Google Patents

Abstract

The invention provides an air-cooled cylindrical coupler which comprises a first coupler half body and a second coupler half body, wherein the first coupler half body and the second coupler half body are hollow, and the end faces of the first coupler half body and the second coupler half body, which are close to one side, are attached. According to the invention, the steel needle and the fixed ring can effectively prevent the first coupling half body from rotating relative to the second coupling half body, when the driven shaft is blocked, the driving piece can continuously drive the driving shaft and the first coupling half body to continuously rotate, the steel needle is bent and removed from the jack by the rotating force of the driving piece driving the fixed ring, the steel needle can no longer limit the fixed ring, the first coupling half body and the fixed ring can be ensured to continuously rotate, the blocking phenomenon of the driving piece can be effectively prevented, the driving piece is protected, the fire occurrence caused by the internal temperature rise of the driving piece due to blocking can be effectively prevented, and the potential safety hazard is eliminated.

Description

Air-cooled cylinder type coupling

Technical Field

The invention relates to the technical field of couplings, in particular to an air-cooled cylinder type coupling.

Background

The coupling means a mechanical part that couples the two shafts or the shaft and the rotary member to transmit torque to achieve co-rotation of the two shafts or the shaft and the rotary member, and keeps the two rotary members coupled without being disconnected during normal operation.

The prior art has the following defects: in the use process of the two shafts of the prior art, when the driven shaft is blocked, the driving shaft and the driving piece are blocked, the driving piece can be damaged when being in the blocked state for a long time, and the internal temperature of the driving piece can be increased to generate fire, so that the improvement is needed.

Disclosure of Invention

The invention provides an air-cooled cylinder coupler aiming at the defects of the prior art.

The invention solves the technical problems by the following technical means: the air-cooled cylinder type coupler comprises a first coupler half body and a second coupler half body, wherein the first coupler half body and the second coupler half body are hollow, the end faces of the first coupler half body and the second coupler half body, which are close to one side, are attached, the first coupler half body and the second coupler half body are movably connected through a movable connecting piece, the outer surface of the first coupler half body is connected with a fixed ring, the outer surface of the second coupler half body is provided with a movable ring, the movable ring is fixedly connected with the second coupler half body through a fastener, and a limiting piece for limiting relative rotation between the first coupler half body and the second coupler half body is arranged between the fixed ring and the movable ring; when the rotation of the second coupling half body is limited, the rotation of the first coupling half body releases the limitation of the limiting piece.

Preferably, the movable connecting piece comprises a fixed block arranged in the inner cavity of the first coupling half body and a movable shaft arranged in the inner cavity of the second coupling half body and extending to the inner cavity of the first coupling half body, the movable shaft is rotationally connected with the fixed block, and the first coupling half body rotates with the second coupling half body through the fixed block and the movable shaft.

Preferably, the limiting piece comprises steel needles which are arranged on the inner side of the movable ring in an annular array distribution, nuts which are arranged on one side of the movable ring away from the fixed ring and correspond to the positions of the steel needles, and insertion holes which are formed in the positions of the fixed ring and correspond to the positions of the steel needles, wherein the nuts are respectively connected with the steel needles in the corresponding positions, and the steel needles are arranged in a matched mode with the insertion holes in the corresponding positions and are inserted into the insertion holes in the corresponding positions.

Preferably, the part of the steel needle connected with the movable ring is provided with external threads, and the steel needle is in threaded connection with the movable ring.

Preferably, the outer surfaces of the first coupling half body and the second coupling half body are respectively provided with a first air inlet pipe and a second air inlet pipe which are distributed in an annular array, the first air inlet pipe and the second air inlet pipe respectively penetrate through the first coupling half body and the second coupling half body which are arranged at corresponding positions and are respectively communicated with the inner cavity of the first coupling half body and the inner cavity of the second coupling half body, the directions of the ports of the first air inlet pipe are distributed along the clockwise direction, the directions of the ports of the second air inlet pipe are distributed along the anticlockwise direction, and through holes are further formed in the outer surfaces of the first coupling half body and the outer surfaces of the second coupling half body.

Preferably, the fastener is a screw, the second coupling half body is provided with a first threaded hole, a second threaded hole and a third threaded hole at positions corresponding to the fastener, distances between the first threaded hole, the second threaded hole and the third threaded hole and the fixing ring become larger in sequence, and the fastener is respectively in threaded connection with the first threaded hole at the corresponding position.

The invention has the beneficial effects that:

1. according to the invention, the steel needle and the fixed ring can effectively prevent the first coupling half body from rotating relative to the second coupling half body, when the driven shaft is blocked, the driving piece can continuously drive the driving shaft and the first coupling half body to continuously rotate, the steel needle is bent and removed from the jack by the rotating force of the fixed ring driven by the driving piece, so that the steel needle can not limit the fixed ring, the first coupling half body and the fixed ring can be ensured to continuously rotate, the blocking phenomenon of the driving piece can be effectively prevented, the driving piece is prevented from being protected, the fire occurrence caused by the internal temperature rise of the driving piece due to blocking can be effectively prevented, and the potential safety hazard is eliminated;

2. when the steel needle is broken, the steel needle is connected with the movable ring through threads, and only the steel needle is unscrewed from the movable ring, so that the replacement of a single steel needle can be realized, the whole replacement of the steel needle and the movable ring can be avoided, the use cost is reduced, and when the steel needle is bent and is not broken, the steel needle is straightened, and the steel needle can be reused continuously, so that the use cost is further reduced;

3. because the distance between the first threaded hole, the second threaded hole and the third threaded hole and the fixed ring becomes larger in sequence, when the fastener is connected in the first threaded hole, the depth of the steel needle inserted into the jack is deepest, the steel needle is not easy to deform, the steel needle can be moved out of the jack after being deformed by a larger driving force, when the fastener is connected in the third threaded hole, the steel needle is shallowest in depth inserted into the jack, the steel needle is not easy to deform, the steel needle can be moved out of the jack after being deformed by a smaller driving force, so that the proper insertion depth of the steel needle can be selected according to the power parameters of the driving piece, the steel needle can be bent and moved out of the jack when the driven shaft is in a clamping state, the driving piece is not burnt out, and the matching requirements of the driving piece with different parameters are met.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a partial cross-sectional view of the structure of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of the steel needle of the present invention being bent;

FIG. 4 is a schematic view of a partial construction of a second coupling half according to the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4 in accordance with the present invention;

fig. 6 is a schematic view of the steel needle of the present invention.

In the figure: 1. a first coupling half; 2. a second coupling half; 3. a movable connecting piece; 31. a fixed block; 32. a movable shaft; 4. a fixing ring; 5. a movable ring; 6. a restriction member; 61. a steel needle; 62. a screw cap; 63. a jack; 7. a fastener; 8. a first air inlet pipe; 9. a second air inlet pipe; 10. a through hole; 11. a first threaded hole; 12. a second threaded hole; 13. and a third threaded hole.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It will be understood that when an element is referred to as being "fixed 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 also be present.

Examples

Example 1

Referring to fig. 1 to 3, the air-cooled cylindrical coupling of the present embodiment includes a first coupling half body 1 and a second coupling half body 2, the first coupling half body 1 and the second coupling half body 2 are all hollow, the end surfaces of the first coupling half body 1 and the second coupling half body 2, which are close to each other, are attached, the first coupling half body 1 and the second coupling half body 2 are movably connected through a movable connecting piece 3, the movable connecting piece 3 includes a fixed block 31 disposed in an inner cavity of the first coupling half body 1, and a movable shaft 32 disposed in an inner cavity of the second coupling half body 2 and extending to the inner cavity of the first coupling half body 1, the movable shaft 32 is rotatably connected with the fixed block 31, the first coupling half body 1 is rotatably connected with the second coupling half body 2 through the fixed block 31, the fixed shaft 32 is connected with a fixed ring 4 on an outer surface of the first coupling half body 1, the second coupling half body 2 is provided with a movable ring 5 on an outer surface, the movable ring 5 is fixedly connected with the second coupling half body 2 through a fastener 7, and the movable ring 4 is fixedly connected with the second coupling half body 2, and the movable ring 5 is arranged between the movable ring 5 and the second coupling half body 1 is limited relative to the movable ring 6; when the rotation of the second coupling half 2 is limited, the rotation of the first coupling half 1 releases the restriction of the restriction piece 6;

the limiting piece 6 comprises steel needles 61 which are arranged on the inner side of the movable ring 5 in a penetrating manner and distributed in an annular array manner, screw caps 62 which are arranged at positions, corresponding to the steel needles 61, on one side of the movable ring 5 far away from the fixed ring 4, and insertion holes 63 which are formed at positions, corresponding to the steel needles 61, of the fixed ring 4, wherein the screw caps 62 are respectively connected with the steel needles 61 at the corresponding positions, and the steel needles 61 are arranged in a matching manner with the insertion holes 63 at the corresponding positions and are inserted into the insertion holes 63 at the corresponding positions;

the specific embodiment is as follows: the first coupling half body 1 and the second coupling half body 2 are limited by the limiting piece 6, so that the relative rotation between the first coupling half body 1 and the second coupling half body 2 can be effectively prevented, in the use process, the driving shaft is installed with the first coupling half body 1, the driven shaft is installed with the second coupling half body 2, and therefore the driving shaft and the driven shaft can be connected through the first coupling half body 1, the second coupling half body 2, the limiting piece 6 and the movable connecting piece 3;

because the steel needle 61 is inserted into the fixed ring 4, under the limiting action of the steel needle 61 and the fixed ring 4, the steel needle 61 can be effectively prevented from relatively rotating between the first coupling half body 1 and the second coupling half body 2, the driving shaft is driven by the driving piece to rotate, the driving shaft can drive the driven shaft to synchronously rotate, in the use process, when the driven shaft is blocked, the driving piece can continuously drive the driving shaft and the first coupling half body 1 to continuously rotate, the fixed ring 4 is driven to rotate when the first coupling half body 1 rotates, at the moment, acting force is generated between the fixed ring 4 and the steel needle 61, the steel needle 61 can be bent and removed from the jack 63 by the force of the driving piece to drive the fixed ring 4 to rotate, as shown in fig. 3, after the steel needle 61 moves from the jack 63, the steel needle 61 is not limited to the fixed ring 4, the first coupling half body 1 and the fixed ring 4 can continuously rotate, so that the phenomenon that the driving piece is blocked can be effectively prevented, the protection of the driving piece is realized, and meanwhile, the hidden danger of fire in the driving piece caused by the blocking of the internal temperature can be effectively prevented;

it should be noted that, the hardness of the steel needle 61 is relatively large, and in normal linkage, the acting force between the first coupling half body 1 and the second coupling half body 2 is relatively small, so that the steel needle 61 cannot be deformed, and the first coupling half body 1 and the second coupling half body 2 can be stably limited through the steel needle 61 and the fixing ring 4.

Example 2

In the use, when the steel needle 61 is broken by the steel needle 61 because of the great driving force of the drive piece when the card is dead, if change the whole of steel needle 61 and expansion ring 5, will lead to use the cost to become high, in order to reduce use the cost, do following improvement and solve:

as shown in fig. 1 to 3 and fig. 6, the portion of the steel needle 61 connected to the movable ring 5 is provided with external threads, and the steel needle 61 is screwed to the movable ring 5;

the specific embodiment is as follows: when the steel needle 61 is broken, the steel needle 61 is connected with the movable ring 5 through threads, and the steel needle 61 can be replaced by only unscrewing the steel needle 61 from the movable ring 5 through the nut 62, so that the whole of the steel needle 61 and the movable ring 5 can be prevented from being replaced, the use cost is reduced, and when the steel needle 61 is bent and is not broken, the steel needle 61 is straightened, and the steel needle 61 can be reused continuously, so that the use cost is further reduced.

Example 3

In the use, when one end of driving shaft or driven shaft is in high temperature environment, because the high heat transfer rate of metal material will make whole shaft coupling be in high temperature state, the mechanical strength of shaft coupling will be along with the rising of temperature and decline, mechanical strength factor of safety greatly reduced, in order to prevent that the shaft coupling is in high temperature state in the use, do following improvement and solve:

as shown in fig. 1, 2 and 4, the outer surface of the first coupling half body 1 and the outer surface of the second coupling half body 2 are respectively provided with a first air inlet pipe 8 and a second air inlet pipe 9 which are distributed in an annular array, the first air inlet pipe 8 and the second air inlet pipe 9 respectively penetrate through the first coupling half body 1 and the second coupling half body 2 which are arranged at corresponding positions and are respectively communicated with the inner cavity of the first coupling half body 1 and the inner cavity of the second coupling half body 2, the directions of ports of the first air inlet pipe 8 are distributed along the clockwise direction, the directions of ports of the second air inlet pipe 9 are distributed along the anticlockwise direction, and through holes 10 are further formed in the outer surfaces of the first coupling half body 1 and the second coupling half body 2;

the specific embodiment is as follows: when the coupler rotates clockwise or anticlockwise, the contact area between the rotating first coupler half body 1 and the second coupler half body 2 and outside cold air can be increased, so that heat dissipation outside the first coupler half body 1 and the second coupler half body 2 is accelerated;

when the coupler rotates clockwise, the first coupler half body 1 and the second coupler half body 2 also rotate clockwise, and because the directions of the ports of the first air inlet pipe 8 are distributed along the clockwise direction, the outside cold air is continuously led into the inner cavities of the first coupler half body 1 and the second coupler half body 2 through the first air inlet pipe 8 when the first coupler half body 1 and the second coupler half body 2 rotate clockwise, and then is discharged through the through holes 10 on the first coupler half body 1 and the second coupler half body 2, so that the air flow between the first coupler half body 1 and the inner cavity of the second coupler half body 2 can be accelerated, and the heat dissipation inside the first coupler half body 1 and the second coupler half body 2 can be accelerated;

when the coupler rotates anticlockwise, the first coupler half body 1 and the second coupler half body 2 also rotate anticlockwise, and because the directions of the ports of the second air inlet pipe 9 are distributed along the anticlockwise direction, the outside cold air is continuously led into the inner cavities of the first coupler half body 1 and the second coupler half body 2 through the second air inlet pipe 9 when the first coupler half body 1 and the second coupler half body 2 rotate anticlockwise, and then is discharged through the through holes 10 on the first coupler half body 1 and the second coupler half body 2, so that the air flow between the first coupler half body 1 and the inner cavities of the second coupler half body 2 can be quickened, and the heat dissipation inside the first coupler half body 1 and the second coupler half body 2 can be quickened;

through the arrangement of the first air inlet pipe 8, the second air inlet pipe 9 and the through hole 10, the heat dissipation of the first coupling half body 1 and the second coupling half body 2 can be accelerated, so that the effective heat dissipation of the coupling can be realized, the mechanical strength of the coupling can be effectively prevented from being reduced due to a high temperature state, and the use effect of the coupling is ensured.

Example 4

In the use, because the driving force of driving piece is different, when the dead state appears in the driven shaft, if the driving force of driving piece is less, it is not enough to do not buckle steel needle 61 for when first shaft coupling half 1 continues to rotate, the dead phenomenon of card still can appear in the driving piece, in order to avoid the appearance of this phenomenon, do the following improvement and solve:

as shown in fig. 1 to 4, the fastening member 7 is a screw, a first threaded hole 11, a second threaded hole 12 and a third threaded hole 13 are arranged at positions of the second coupling half body 2 corresponding to the fastening member 7, the distances between the first threaded hole 11, the second threaded hole 12 and the third threaded hole 13 and the fixed ring 4 become larger in sequence, and the fastening member 7 is respectively in threaded connection with the first threaded hole 11 at the corresponding positions;

because the distance between the first threaded hole 11, the second threaded hole 12 and the third threaded hole 13 and the fixed ring 4 is sequentially increased, when the fastener 7 is connected in the first threaded hole 11, the depth of the steel needle 61 inserted into the jack 63 is deepest, the steel needle 61 is not easy to deform, a larger driving force is required to enable the steel needle 61 to deform and move out of the jack 63, when the fastener 7 is connected in the third threaded hole 13, the depth of the steel needle 61 inserted into the jack 63 is shallowest, the steel needle 61 is not easy to deform, a smaller driving force edge is required to enable the steel needle 61 to deform and move out of the jack 63, so that the proper insertion depth of the steel needle 61 can be selected according to the power parameters of a driving piece, the steel needle 61 can be bent and moved out of the jack 63 when the driven shaft is in a clamping state, the driving piece is prevented from being burnt out, and the matching requirements of driving pieces with different parameters are met.

It is noted that relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. Air-cooled cylinder shaft coupling, its characterized in that: the novel coupling comprises a first coupling half body (1) and a second coupling half body (2), wherein the end face, close to one side, of the first coupling half body (1) is attached to the end face, close to one side, of the second coupling half body (2), the first coupling half body (1) is movably connected with the second coupling half body (2) through a movable connecting piece (3), a fixed ring (4) is connected to the outer surface of the first coupling half body (1), a movable ring (5) is arranged on the outer surface of the second coupling half body (2), the movable ring (5) is fixedly connected with the second coupling half body (2) through a fastening piece (7), and a limiting piece (6) for limiting relative rotation between the first coupling half body (1) and the second coupling half body (2) is arranged between the fixed ring (4) and the movable ring (5); when the rotation of the second coupling half body (2) is limited, the rotation of the first coupling half body (1) releases the limitation of the limiting piece (6).

2. An air-cooled cylinder coupling according to claim 1, wherein: the movable connecting piece (3) comprises a fixed block (31) arranged in the inner cavity of the first coupling half body (1) and a movable shaft (32) arranged in the inner cavity of the second coupling half body (2) and extending to the inner cavity of the first coupling half body (1), the movable shaft (32) is rotationally connected with the fixed block (31), and the first coupling half body (1) rotates with the second coupling half body (2) through the fixed block (31) and the movable shaft (32).

3. An air-cooled cylinder coupling according to claim 1, wherein: the limiting piece (6) comprises steel needles (61) which are arranged on the inner side of the movable ring (5) in a circular array mode, nuts (62) which are arranged on one side, away from the fixed ring (4), of the movable ring (5) and correspond to the positions of the steel needles (61), and insertion holes (63) which are formed in the positions, corresponding to the positions of the steel needles (61), of the fixed ring (4), the nuts (62) are respectively connected with the steel needles (61) in the corresponding positions, and the steel needles (61) are arranged in the insertion holes (63) in the corresponding positions in a matched mode.

4. An air-cooled cartridge coupling according to claim 3, wherein: the part of the steel needle (61) connected with the movable ring (5) is provided with external threads, and the steel needle (61) is in threaded connection with the movable ring (5).

5. An air-cooled cylinder coupling according to claim 1, wherein: the outer surface of the first coupling half body (1) and the outer surface of the second coupling half body (2) are respectively provided with a first air inlet pipe (8) and a second air inlet pipe (9) which are distributed in an annular array, the first air inlet pipe (8) and the second air inlet pipe (9) respectively penetrate through the first coupling half body (1) and the second coupling half body (2) which are arranged at corresponding positions and are respectively communicated with the inner cavity of the first coupling half body (1) and the inner cavity of the second coupling half body (2), the directions of the ports of the first air inlet pipe (8) are distributed along the clockwise direction, the directions of the ports of the second air inlet pipe (9) are distributed along the anticlockwise direction, and through holes (10) are further formed in the outer surface of the first coupling half body (1) and the outer surface of the second coupling half body (2).

6. An air-cooled cylinder coupling according to claim 1, wherein: the fastener (7) is a screw, a first threaded hole (11), a second threaded hole (12) and a third threaded hole (13) are formed in the position, corresponding to the fastener (7), of the second coupling half body (2), the distance between the first threaded hole (11), the second threaded hole (12) and the third threaded hole (13) and the fixed ring (4) is sequentially increased, and the fasteners (7) are respectively in threaded connection with the first threaded holes (11) at corresponding positions.

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