A transmission device with detachable locking

Abstract

The present invention discloses a detachable locking transmission device, characterized in that it comprises a rotating shaft, a locking sleeve, a locking block, a locking spring and a quick-insertion shaft; the rotating shaft is rotatably fixed to a rotating shaft fixing plate; a counter-insertion groove is provided at one end of the rotating shaft; a counter-insertion boss is provided at one end of the quick-insertion shaft; the counter-insertion boss can be inserted into the counter-insertion groove; after the counter-insertion boss is inserted into the counter-insertion groove, the counter-insertion boss and the counter-insertion groove cannot rotate relative to each other. The beneficial effects of the present invention are as follows: the present invention can realize the convenient separation and combination of the output shaft of the driving motor and the rotating shaft, and after the rotating shaft and the driving motor are separated, the rotating shaft can be locked and cannot rotate freely; the quick-insertion shaft of the present invention is connected to the driving motor through an external force detection device, so as to realize real-time detection of the torque received by the quick-insertion shaft, and then the torque received by the rotating shaft 1 can be obtained through the transmission relationship, so as to know the load condition of the rotating shaft 1.

Description

Technical Field

[0001] The invention relates to the field of mechanical transmission, and in particular to a detachable and lockable transmission device. Background Art

[0002] When the output shaft of the driving motor and the rotating shaft are connected for transmission, it is sometimes necessary to conveniently separate and combine the rotating shaft and the output shaft of the driving motor, such as the connection between the output shaft of the driving motor and the mixing knife shaft at the bottom of a juicer, and the connection between the rotating shaft of a razor blade and the output shaft of the driving motor; however, after the rotating shaft and the output shaft of the driving motor are separated, the rotating shaft cannot be locked and can still rotate freely, which is not allowed in some occasions. Therefore, it is necessary to design a transmission device that can conveniently separate and combine the output shaft of the driving motor and the rotating shaft, and can lock the rotating shaft after the rotating shaft and the driving motor are separated. Summary of the invention

[0003] In order to solve the problems raised in the above background technology, the present invention discloses a detachable locking transmission device, comprising a rotating shaft, a locking sleeve, a locking block, a locking spring and a quick-insertion shaft; the rotating shaft can be rotatably fixed to a rotating shaft fixing plate; one end of the rotating shaft is provided with a mating groove; one end of the quick-insertion shaft is provided with a mating boss; the mating boss can be inserted into the mating groove; after the mating boss is inserted into the mating groove, the mating boss and the mating groove cannot rotate relative to each other; the locking sleeve is fixed to the rotating shaft fixing plate along the axial direction of the rotating shaft; the inner side of the locking sleeve is provided with a The locking sleeve is arranged on the side of a truncated cone; locking inner teeth are evenly distributed on the inner side of the locking sleeve along the axial direction; the locking block can be slidably fixed in the plug-in groove; the outer side of the locking block is a partial truncated cone side; the outer side of the locking block is evenly distributed with locking outer teeth along the axial direction; the locking outer teeth can be inserted into the locking inner teeth; a hollow structure is arranged inside the end of the rotating shaft where the plug-in groove is provided; the locking spring is placed in the hollow structure inside the plug-in groove, one end of which is pressed against one end of the hollow structure inside the plug-in groove, and the other end is pressed against one end of the locking block.

[0004] The inserting groove is in an inwardly concave straight line shape; the inserting boss is in an outwardly convex straight line shape; the width of the inwardly concave straight line shape is equal to the width of the outwardly convex straight line shape.

[0005] The quick-insert shaft is connected to an external force detection device; the external force detection device is used to detect the torque applied to the quick-insert shaft in real time.

[0006] The external force detection device includes an external force detection planetary gear system, an external force detection flange sleeve, an external force detection limit block and an external force detection pressure sensor; wherein the external force detection planetary gear system includes a small external force detection sun gear, an external force detection planetary gear, a large external force detection sun gear and an external force detection planetary carrier; the flange end of the external force detection flange sleeve is fixed to the end face of the large external force detection sun gear; two outwardly protruding external force detection pressure transmission blocks are arranged opposite to each other on the circumferential surface of the external force detection planetary carrier; and an inwardly recessed external force detection pressure sensor fixing groove is provided; external force detection pressure sensors are fixed on both sides of the external force detection pressure sensor fixing groove; the external force detection pressure transmission block is inserted between the two external force detection pressure sensors.

[0007] The beneficial effects of the present invention are as follows: the present invention can realize the convenient separation and combination of the output shaft of the driving motor and the rotating shaft, and after the rotating shaft and the driving motor are separated, the rotating shaft can be locked and cannot rotate freely; the quick-connect shaft of the present invention is connected to the driving motor through an external force detection device, so as to realize real-time detection of the torque exerted on the quick-connect shaft, and then the torque exerted on the rotating shaft 1 can be obtained through the transmission relationship, so as to know the load condition of the rotating shaft 1. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is an exploded view of the present invention when applied.

[0009] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0010] Figure 3 It is a cross-sectional view after plugging of the present invention.

[0011] Figure 4 It is a schematic structural diagram of the rotating shaft and the quick-insertion shaft of the present invention.

[0012] Figure 5 It is an exploded view of the external force detection device of the present invention. DETAILED DESCRIPTION

[0013] The embodiments of the present invention are described in detail below so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0014] Example 1

[0015] See attached Figure 1-5A detachable locking transmission device comprises a rotating shaft 1, a locking sleeve 2, a locking block 3, a locking spring 4 and a quick-insertion shaft 5; the rotating shaft 1 is rotatably fixed to the rotating shaft fixing plate 7; one end of the rotating shaft 1 is provided with a plug-in groove 101; one end of the quick-insertion shaft 5 is provided with a plug-in boss 501; the plug-in boss 501 can be inserted into the plug-in groove 101; after the plug-in boss 501 is inserted into the plug-in groove 101, the plug-in boss 501 and the plug-in groove 101 cannot rotate relative to each other; the locking sleeve 2 is fixed to the rotating shaft fixing plate 7 along the axial direction of the rotating shaft 1; the inner side of the locking sleeve 2 is set as a frustum cone side surface; The inner side surface of the locking sleeve 2 is evenly distributed with locking inner teeth 201 along the axial direction; the locking block 3 can be slidably fixed in the plug-in groove 101; the outer side surface of the locking block 3 is a partial frustum side surface; the outer side surface of the locking block 3 is evenly distributed with locking outer teeth 301 along the axial direction; the locking outer teeth 301 can be inserted into the locking inner teeth 201; a hollow structure is arranged inside one end of the rotating shaft 1 on which the plug-in groove 101 is opened; the locking spring 4 is placed in the hollow structure inside the plug-in groove 101, with one end pressed against one end of the hollow structure inside the plug-in groove 101, and the other end pressed against one end of the locking block 3. In this way, when the plug-in boss 501 of the quick-connect shaft 5 is inserted into the plug-in groove 101, the locking block 3 is pressed by the plug-in boss 501 and slides along the plug-in groove 101 in the direction away from the locking sleeve 2, and the locking outer teeth 301 and the locking inner teeth 201 are disengaged. At this time, the quick-connect shaft 5 can be controlled to rotate by the driving motor 6, and the rotation of the quick-connect shaft 5 is transmitted to the rotating shaft 1 through the insertion of the plug-in boss 501 and the plug-in groove 101; the rotation of the driving motor 6 is stopped, and the plug-in boss 501 is pulled out of the plug-in groove 101. At this time, the locking block 3 slides along the plug-in groove 101 in the direction close to the locking sleeve 2 under the action of the locking spring 4, and the locking outer teeth 301 are inserted into the locking inner teeth 201. At this time, the rotating shaft 1 cannot rotate relative to the locking sleeve 2, thereby achieving the locking of the rotating shaft 1.

[0016] The insertion groove 101 is in the shape of an inward concave straight line; the insertion boss 501 is in the shape of an outward convex straight line; the width of the inward concave straight line is equal to the width of the outward convex straight line.

[0017] The quick-connect shaft 5 is connected to an external force detection device R, which is used to detect the torque applied to the quick-connect shaft 5 in real time. The other end of the external force detection device R is connected to the drive motor 6, so that the torque applied to the quick-connect shaft 5 can be detected in real time, and then the torque applied to the rotating shaft 1 can be obtained through the transmission relationship, so as to know the load condition of the rotating shaft 1.

[0018] The external force detection device R includes an external force detection planetary gear system R1, an external force detection flange sleeve R2, an external force detection limit block R3 and an external force detection pressure sensor R4; wherein the external force detection planetary gear system R1 includes an external force detection small sun gear R11, an external force detection planetary gear R12, an external force detection large sun gear R13 and an external force detection planetary carrier R14; the flange end of the external force detection flange sleeve R2 is fixed to the end face of the external force detection large sun gear R13; two outwardly protruding external force detection pressure transmission blocks R141 are arranged opposite to each other on the circumferential surface of the external force detection planetary carrier R14; and an inwardly recessed external force detection pressure sensor fixing groove R31 is provided; external force detection pressure sensors R4 are fixed on both sides of the external force detection pressure sensor fixing groove R31; the external force detection pressure transmission block R141 is inserted between the two external force detection pressure sensors R4. The external force detection planetary carrier R14 is rotatably fixed to the motor fixing plate 8; the drive motor 6 is fixed to the motor fixing plate 8; two external force detection limit blocks R3 are fixed to the motor fixing plate 8 facing each other, the external force detection small sun gear R11 is connected to the output shaft of the drive motor 6; the external force detection flange sleeve R2 is connected to the quick-insertion shaft 5. In this way, the torque on the quick-insertion shaft 5 is transmitted to the external force detection device R and can be calculated through the pressure measured by the pressure sensor R4.

[0019] The above embodiments and drawings do not limit the product form and style of the present invention. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present invention.

Claims

1. A detachable locking transmission device, It is characterized in that The invention comprises a rotating shaft, a locking sleeve, a locking block, a locking spring and a quick-insertion shaft; the rotating shaft is rotatably fixed to the rotating shaft fixing plate; one end of the rotating shaft is provided with a counter-insertion groove; one end of the quick-insertion shaft is provided with a counter-insertion boss; the counter-insertion boss can be inserted into the counter-insertion groove; after the counter-insertion boss is inserted into the counter-insertion groove, the counter-insertion boss and the counter-insertion groove cannot rotate relative to each other; the locking sleeve is fixed to the rotating shaft fixing plate along the axial direction of the rotating shaft; the inner side of the locking sleeve is set as a truncated cone side surface; the upper edge of the inner side surface of the locking sleeve The locking inner teeth are evenly distributed along the axial direction; the locking block can be slidably fixed in the plug-in groove; the outer side surface of the locking block is a partial truncated cone side surface; the outer side surface of the locking block is evenly distributed with locking outer teeth along the axial direction; the locking outer teeth can be inserted into the locking inner teeth; a hollow structure is arranged inside the end of the rotating shaft where the plug-in groove is provided; the locking spring is placed in the hollow structure inside the plug-in groove, one end of which is pressed against one end of the hollow structure inside the plug-in groove, and the other end is pressed against one end of the locking block, The inserting groove is in the shape of an inward concave straight line; the inserting boss is in the shape of an outward convex straight line; the width of the inward concave straight line is equal to the width of the outward convex straight line. The quick-insertion shaft is connected to an external force detection device; the external force detection device is used to detect the torque applied to the quick-insertion shaft in real time. The external force detection device includes an external force detection planetary gear system, an external force detection flange sleeve, an external force detection limit block and an external force detection pressure sensor; wherein the external force detection planetary gear system includes a small external force detection sun gear, an external force detection planetary gear, a large external force detection sun gear and an external force detection planetary carrier; the flange end of the external force detection flange sleeve is fixed to the end face of the large external force detection sun gear; two outwardly protruding external force detection pressure transmission blocks are arranged opposite to each other on the circumferential surface of the external force detection planetary carrier; and an inwardly recessed external force detection pressure sensor fixing groove is provided; external force detection pressure sensors are fixed on both sides of the external force detection pressure sensor fixing groove; the external force detection pressure transmission block is inserted between the two external force detection pressure sensors.

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