Speed reducer with split type output shaft

Abstract

The utility model relates to the technical field of speed reducer structures, and discloses a speed reducer with a split type output shaft, which comprises a machine body, an output shaft, an output shaft and an output shaft, the output shaft is provided with a connecting sleeve and a shaft head; a first hole channel is formed in the connecting sleeve in the axial direction. The shaft head is provided with a head. The head part is detachably connected to the first hole channel; the connecting sleeve is connected to the machine body; a first thread layer surrounds at least part of the peripheral wall of the head, and a second thread layer surrounds at least part of the peripheral wall of the first hole channel; the rotation directions of the first thread layer and the second thread layer are opposite to the working rotation direction of the output shaft; according to the speed reducer with the split type output shaft, the split type output shaft is arranged, the shaft head and the connecting sleeve are detachably connected in a threaded fit mode, the connecting sleeve is used for being connected with a machine body, the shaft head is used for being connected with the connecting sleeve and the shaft body, and the rotating direction of the threaded layer is opposite to the working rotating direction of the output shaft; design is reasonable, time and labor are saved, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of reducer structures, in particular to a reducer with a split output shaft. Background Art

[0002] The reducer matches the speed and transmits torque between the prime mover and the working machine or actuator. It is a relatively precise machine. Its purpose is to reduce the speed and increase the torque.

[0003] In the related art, the output shaft of the reducer is often an integral structure and is arranged integrally on the machine body. However, when in use, for different types of reducers, the output shaft needs to be redesigned and processed as a whole according to different machine installation requirements, which is time-consuming and labor-intensive. Utility Model Content

[0004] In view of this, the utility model provides a reducer with a split output shaft to solve the problem that the output shaft of the reducer needs to be redesigned and processed as a whole for different installation requirements, which is time-consuming and labor-intensive.

[0005] The utility model provides a reducer with a split output shaft, comprising: a body; an output shaft, one end of which is provided with a connecting sleeve and a shaft head; wherein the connecting sleeve is formed with a first channel along the axial direction, and one end of the shaft head is provided with a head; the shaft head has a first connection state that enables the head to be detachably connected in the first channel; the output shaft has a second connection state that enables the connecting sleeve to be connected to the body; wherein a first thread layer is provided around at least part of the peripheral wall of the head, and a second thread layer is provided around at least part of the peripheral wall of the first channel; the rotation direction of the first thread layer and the second thread layer is suitable to be opposite to the working rotation direction of the output shaft.

[0006] Beneficial effects: By setting a split output shaft and adopting a threaded detachable connection between the shaft head and the connecting sleeve, the connecting sleeve is responsible for the connection with the machine body, and the shaft head is responsible for the connection between the connecting sleeve and the shaft body, and the rotation direction of the thread layer is opposite to the working rotation direction of the output shaft, thereby preventing the split from failing when the output shaft is working, so as to meet the performance and use requirements and achieve different installation requirements by only replacing the corresponding connecting sleeve without the need for redesign or overall processing, thus saving time and effort and having strong practicality; the split output shaft is reasonably designed, which is conducive to mass production, thereby reducing production costs, facilitating modular production and management of reducers, and facilitating promotion and use.

[0007] In an optional embodiment, the shaft head is provided with the head at the first axial end and the shaft portion at the second end; the shaft head is formed with a boss between the shaft portion and the head, and the boss surrounds and protrudes around the circumference of the shaft head.

[0008] In an optional embodiment, a pit is formed inwardly on the inner wall of one axial side of the first channel.

[0009] In an optional embodiment, the head cooperates with the first channel, and the end of the connecting sleeve abuts against the boss.

[0010] In an optional embodiment, the body is formed with a second channel along the axial direction, and the connecting sleeve is inserted into the second channel.

[0011] In an optional embodiment, the connecting sleeve cooperates with the second hole, and at least a portion of the connecting sleeve is exposed at the opening of the second hole.

[0012] In an optional embodiment, a first chamber is radially formed in the body, the first chamber is arranged around the circumference of the second channel and is communicated with the second channel; a gear is provided in the first chamber, and the gear is sleeved on the circumference of the connecting sleeve.

[0013] In an optional embodiment, a second chamber is radially formed in the body, the second chamber is arranged around the circumference of the second channel and is communicated with the second channel; at least two second chambers are arranged on opposite sides of the first chamber in the axial direction and are communicated with the first chamber; at least two second chambers are respectively provided with a first bearing and a second bearing, the first bearing and the second bearing are respectively sleeved on the circumference of the connecting sleeve and abut against the inner wall of the body to limit and fix the connecting sleeve.

[0014] In an optional embodiment, the first side of the gear along the axial direction is in contact with the first bearing, and the second side is spaced apart from the second bearing; a positioning groove is provided around the circumference of the connecting sleeve, and the positioning groove corresponds to the first chamber; a ring block is clamped at the positioning groove, and the ring block is clamped between the gear and the second bearing, suitable for clamping and positioning the connecting sleeve.

[0015] In an optional embodiment, it further includes a ring sleeve, which is sleeved on the periphery of the connecting sleeve, and the periphery of the ring sleeve abuts against the inner wall of the body, suitable for fixing the connecting sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the matching state between the split output shaft and the machine body of the utility model;

[0018] Figure 2 It is a schematic diagram of the matching state between the connecting sleeve and the machine body of the utility model;

[0019] Figure 3 It is a schematic diagram of the connecting sleeve of the utility model;

[0020] Figure 4 It is a schematic diagram of the shaft head of the utility model;

[0021] Figure 5 It is a schematic diagram of the body of the utility model.

[0022] Description of reference numerals:

[0023] 1. Machine body; 11. Second hole; 12. First chamber; 13. Second chamber; 2. Output shaft; 21. Connecting sleeve; 211. First hole; 212. Concave pit; 213. Positioning groove; 214. Second threaded layer; 22. Shaft head; 221. Head; 222. Shaft; 223. Boss; 225. First threaded layer; 3. Gear; 4. First bearing; 5. Second bearing; 6. Ring block; 7. Ring sleeve. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0025] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0028] Combine the following Figures 1 to 5 , describing an embodiment of the utility model.

[0029] According to an embodiment of the utility model, a reducer with a split output shaft is provided, comprising: a body 1; an output shaft 2, one end of which is provided with a connecting sleeve 21 and a shaft head 22; wherein the connecting sleeve 21 is formed with a first channel 211 along the axial direction, and one end of the shaft head 22 is provided with a head 221; the shaft head 22 has a first connection state that enables the head 221 to be detachably connected to the first channel 211; the output shaft 2 has a second connection state that enables the connecting sleeve 21 to be connected to the body 1; wherein at least a portion of the peripheral wall of the head 221 is surrounded by a first threaded layer 225, and at least a portion of the peripheral wall of the first channel 211 is provided with a first threaded layer 225. A second thread layer 214 is arranged around the wall; the rotation direction of the first thread layer 225 and the second thread layer 214 is suitable to be opposite to the working rotation direction of the output shaft 2; in this embodiment, the connecting sleeve 21 and the shaft head 22 are detachably connected to form a split output shaft 2. While meeting the performance of the output shaft 2, the split structural design is beneficial to the production, use and management of the output shaft 2; specifically, the connecting sleeve 21 is responsible for the connection with the machine body 1, and the shaft head 22 is responsible for the connection between the connecting sleeve 21 and the shaft body. For different installation requirements, it is only necessary to replace the corresponding connecting sleeve 21 without redesign or overall processing, which saves time and effort and has strong practicality.

[0030] Combination Figure 1As shown, the installation process of the split output shaft is to select a connecting sleeve 21 that is compatible with the reducer body 1 according to the installation requirements, and connect the connecting sleeve 21 with the shaft head 22 of the output shaft 2; wherein, the head 221 of the shaft head 22 is progressively screwed into the first channel 211 of the connecting sleeve 21, and the setting position of the first thread layer 225 at the head 221 corresponds to the setting position of the second thread layer 214 at the first channel 211, and the setting lengths are also corresponding, so that as the head 221 is screwed in, the first thread layer 225 and the second thread layer 214 are matched and connected, until the head 221 is completely connected to the connecting sleeve 21, and the connecting sleeve The end of 21 abuts against the boss 223 to complete the connection and assembly of the split output shaft; thereafter, the split output shaft is connected to the body 1, and the connecting sleeve 21 is connected to the gear 3, the bearing, and the body 1 in sequence according to the installation, thereby completing the assembly of the split output shaft and the reducer body 1; wherein, the rotation direction of the first thread layer 225 and the second thread layer 214 is opposite to the working rotation direction of the output shaft 2. If the output shaft 2 rotates clockwise during operation, the thread layer is a left-handed thread. If the output shaft 2 rotates counterclockwise during operation, the thread layer is a right-handed thread, thereby preventing the split failure of the output shaft 2 during operation to meet the performance and use requirements.

[0031] In this embodiment, a split output shaft 2 is provided, and a threaded detachable connection is adopted between the shaft head 22 and the connecting sleeve 21. The connecting sleeve 21 is responsible for the connection with the body 1, and the shaft head 22 is responsible for the connection between the connecting sleeve 21 and the shaft body. In addition, the rotation direction of the thread layer is opposite to the working rotation direction of the output shaft 2, so as to prevent the split failure of the output shaft 2 when working, so as to meet the performance and use requirements and realize different installation requirements. It is only necessary to replace the corresponding connecting sleeve 21 without the purpose of redesign or overall processing, which saves time and effort and has strong practicality. The split output shaft is reasonably designed, which is conducive to mass production, thereby reducing production costs, facilitating modular production and management of reducers, and promoting their use.

[0032] In some embodiments, in combination Figure 1 As shown, the shaft head 22 is provided with the head 221 at the first axial end and the shaft portion 222 at the second end; the shaft head 22 is formed with a boss 223 between the shaft portion 222 and the head 221, and the boss 223 is arranged around and protrudingly on the periphery of the shaft head 22, and the boss 223 is arranged in a stepped shape with the head 221 on the first axial side and in a stepped shape with the periphery on the second axial side, which plays a role of limiting positioning when the split output shaft is assembled.

[0033] In some embodiments, in combination Figure 1As shown, a recess 212 is formed inwardly on the inner wall of one side of the first channel 211 along the axial direction. When the shaft head 22 and the connecting sleeve 21 are assembled together, the recess 212 serves as a threaded bottom hole to ensure smooth connection between the shaft head 22 and the connecting sleeve 21.

[0034] In some embodiments, in combination Figure 1 As shown, when the shaft head 22 is in the first connection state, that is, when the shaft head 22 and the connecting sleeve 21 are assembled together, the end of the connecting sleeve 21 abuts against the boss 223 of the shaft head 22 to play a role in installation and positioning.

[0035] In some embodiments, in combination Figure 5 As shown, the body 1 is formed with a second hole 11 along the axial direction, and the second hole 11 serves as a receiving cavity. The connecting sleeve 21 is arranged at the second hole 11 and is fixed by means of a bearing and a ring sleeve 7.

[0036] In some embodiments, in combination Figure 2 As shown, the connecting sleeve 21 cooperates with the second hole 11, and at least part of the sleeve body of the connecting sleeve 21 is exposed at the opening of the second hole 11, and a slope is provided at the exposed sleeve body, which is convenient for the installation of the connecting sleeve 21 and the body 1.

[0037] In some embodiments, in combination Figure 5 As shown, the body 1 is further formed with a first chamber 12 and a second chamber 13, the first chamber 12, the second chamber 13 and the second channel 11 are integrally and interconnected, and together constitute a special-shaped cavity located inside the body 1, the special-shaped cavity is used to accommodate and install components such as the connecting sleeve 21, the gear 3, and the bearing; specifically, the body 1 is radially formed with a first chamber 12, the first chamber 12 is arranged around the periphery of the second channel 11, and is integrally communicated with the second channel 11; the first chamber 12 is provided with a gear 3, and the gear 3 is sleeved on the periphery of the connecting sleeve 21; the body 1 is A second chamber 13 is formed radially, and the second chamber 13 is arranged around the periphery of the second channel 11 and is communicated with the second channel 11 in an integral manner; at least two second chambers 13 are arranged on opposite sides of the first chamber 12 in the axial direction, and are communicated with the first chamber 12 in an integral manner; a first bearing 4 and a second bearing 5 are respectively provided in at least two second chambers 13, and the first bearing 4 and the second bearing 5 are respectively sleeved on the periphery of the connecting sleeve 21, and the outer peripheries of the first bearing 4 and the second bearing 5 abut against the inner wall of the body 1 to fix the connecting sleeve 21 to the inside of the body 1.

[0038] In some embodiments, in combination Figure 1As shown, the first side of the gear 3 along the axial direction is in contact with the first bearing 4, and the second side is spaced apart from the second bearing 5; a positioning groove 213 is provided around the periphery of the connecting sleeve 21, the positioning groove 213 corresponds to the first chamber 12, and is located at the spaced position between the gear 3 and the second bearing 5; a ring block 6 is clamped at the positioning groove 213, and the ring block 6 is also sandwiched between the gear 3 and the second bearing 5, so as to clamp and position the connecting sleeve 21 and improve the use effect.

[0039] In some embodiments, in combination Figure 2 As shown, a ring sleeve 7 is further provided in the body 1, and the ring sleeve 7 is sleeved on the periphery of the connecting sleeve 21, and the outer periphery of the ring sleeve 7 abuts against the inner wall of the body 1, so as to fix the connecting sleeve 21 and improve the use effect.

[0040] Obviously, the above embodiments are only examples for clear explanation, and are not intended to limit the implementation methods. Although the embodiments of the present utility model are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present utility model, and such modifications and variations are all within the scope defined by the present utility model.

Claims

1. A reducer with a split output shaft, characterized in that: include: Body (1); An output shaft (2) having a connecting sleeve (21) and a shaft head (22) at one end; The connecting sleeve (21) is formed with a first channel (211) along the axial direction, and one end of the shaft head (22) is provided with a head (221); The shaft head (22) has a first connection state that enables the head (221) to be detachably connected to the first hole (211); The output shaft (2) has a second connection state in which the connection sleeve (21) is connected to the machine body (1); Wherein, at least a portion of the peripheral wall of the head (221) is surrounded by a first thread layer (225), and at least a portion of the peripheral wall of the first channel (211) is surrounded by a second thread layer (214); The rotation direction of the first thread layer (225) and the second thread layer (214) is suitable to be opposite to the working rotation direction of the output shaft (2).

2. The reducer with a split output shaft according to claim 1, characterized in that: The shaft head (22) has a head portion (221) at a first end along the axial direction and a shaft portion (222) at a second end; The shaft head (22) is formed with a boss (223) between the shaft portion (222) and the head portion (221), and the boss (223) surrounds and protrudes from the periphery of the shaft head (22).

3. The reducer with a split output shaft according to claim 2, characterized in that: The inner wall of one side of the first hole (211) along the axial direction is indented to form a pit (212).

4. The reducer with a split output shaft according to claim 3, characterized in that: When the output shaft (2) is in the second connection state, the end of the connecting sleeve (21) abuts against the boss (223).

5. The reducer with a split output shaft according to claim 4, characterized in that: The machine body (1) is formed with a second hole (11) along the axial direction, and the connecting sleeve (21) is arranged at the second hole (11).

6. The reducer with a split output shaft according to claim 5, characterized in that: When the output shaft (2) is in the second connection state, at least a portion of the sleeve body of the connecting sleeve (21) is exposed at the opening of the second hole (11).

7. The reducer with a split output shaft according to claim 6, characterized in that: A first chamber (12) is formed radially inside the body (1), the first chamber (12) being arranged around the periphery of the second hole (11) and being arranged integrally with the second hole (11); A gear (3) is provided in the first chamber (12), and the gear (3) is sleeved on the periphery of the connecting sleeve (21).

8. The reducer with a split output shaft according to claim 7, characterized in that: A second chamber (13) is formed radially inside the body (1), and the second chamber (13) is arranged around the periphery of the second hole (11) and is arranged integrally with the second hole (11); At least two of the second chambers (13) are arranged on opposite sides of the first chamber (12) along the axial direction, and are integrally arranged with the first chamber (12); A first bearing (4) and a second bearing (5) are respectively disposed in at least two of the second chambers (13); the first bearing (4) and the second bearing (5) are respectively sleeved on the periphery of the connecting sleeve (21) and abut against the inner wall of the machine body (1) to limit and fix the connecting sleeve (21).

9. The reducer with a split output shaft according to claim 8, characterized in that: The first side of the gear (3) along the axial direction abuts against the first bearing (4), and the second side is spaced apart from the second bearing (5); A positioning groove (213) is arranged around the periphery of the connecting sleeve (21), and the positioning groove (213) corresponds to the first chamber (12); A ring block (6) is clamped at the positioning groove (213), and the ring block (6) is sandwiched between the gear (3) and the second bearing (5), and is suitable for clamping and positioning the connecting sleeve (21).

10. The reducer with a split output shaft according to claim 1, characterized in that: It also includes a ring sleeve (7) which is sleeved on the periphery of the connecting sleeve (21), and the periphery of the ring sleeve (7) abuts against the inner wall of the machine body (1), so as to be suitable for fixing the connecting sleeve (21).

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