An integrated speed reduction device

Abstract

This utility model provides an integrated speed reduction device, including a housing, a transmission component, a motor assembly, and a speed reduction assembly. The housing has a first fixed cavity and a second fixed cavity, with a connecting hole between them. The motor assembly is disposed in the first fixed cavity, and the speed reduction assembly is fixed in the second fixed cavity. The transmission component passes through the connecting hole, with one end connected to the motor assembly and the other end connected to the speed reduction assembly. In use, the housings of the motor assembly and the speed reduction assembly are integrally manufactured, saving manufacturing costs for the latter part of the housing. Furthermore, both the speed reduction assembly and the motor are fixed through the housing, preventing the introduction of additional error factors due to different fixing positions, effectively ensuring the accuracy of the output shaft.

Description

Technical Field

[0001] This utility model relates to the field of door opening equipment technology, and in particular to an integrated deceleration device. Background Technology

[0002] With the advancement of technology and the continuous improvement of people's living standards, automatic door openers have gradually become more widely recognized and accepted. Door openers can be classified into two types according to their driving method: electromechanical door openers and hydraulic door openers. Electromechanical door openers consist of a motor, a motor drive unit, a speed transmission mechanism, and a clutch device.

[0003] For example, patent CN218570017U provides an industrial door opener drive device, including: a hand zipper structure, a motor, and a reducer. The reducer includes an input shaft, which passes through the motor and is connected to the hand zipper structure for transmission. The motor includes a housing, a stator, and a rotor. The housing is fixed on the reducer, the rotor is sleeved on the input shaft and fixed to the input shaft, and the stator is sleeved on the rotor and fixed inside the housing.

[0004] The existing technology has the following disadvantages: the motor and reducer are separate units, each with its own complete housing, which increases the cost; secondly, the separate fixed installation structure introduces many error factors, reducing the accuracy of the final output shaft. Utility Model Content

[0005] In view of this, it is necessary to provide an integrated speed reduction device that can solve the problem of reduced output accuracy caused by fixing the motor and the speed reducer separately.

[0006] This utility model provides an integrated speed reduction device, comprising: The housing has a first fixing cavity and a second fixing cavity inside, and a communication hole is formed between the first fixing cavity and the second fixing cavity. The motor assembly is disposed within the first fixed cavity; The deceleration assembly is disposed within the second fixed cavity; and A transmission component, which passes through the connecting hole, is connected at one end to the motor assembly and at the other end to the reduction assembly.

[0007] In other embodiments, a bearing engagement groove is provided on the inner wall of the connecting hole, and a first rotating bearing is embedded in the bearing engagement groove. The first rotating bearing has a first part and a second part that can rotate relative to each other. The first part is fixed to the inner wall of the bearing engagement groove, and the second part is sleeved on the transmission member and fixed to the transmission member.

[0008] In other embodiments, the motor assembly includes a rotating shaft, a stator, and a rotor. The rotating shaft is disposed in the first fixed cavity, one end of the rotating shaft is coaxially fixed with the transmission member, the stator is fixed on the inner wall of the first fixed cavity, and the rotor is sleeved on the rotating shaft.

[0009] In other embodiments, an annular groove is formed on the inner wall of the first fixing cavity, and the stator is embedded in the annular groove.

[0010] In other embodiments, the rotating shaft is integrally formed with the transmission component.

[0011] In other embodiments, the reduction assembly includes a worm, a worm wheel, and a rotating rod. The worm is disposed in the second fixed cavity, one end of the worm is coaxially fixed with the transmission component, the rotating rod is rotatably fixed in the second fixed cavity, and the worm wheel is sleeved on the rotating rod and threadedly connected to the worm.

[0012] In other embodiments, a through hole is provided on the inner wall of the second fixed cavity in a direction perpendicular to the transmission member. The through hole passes through the second fixed cavity and communicates with the outside. A second rotating bearing is provided on the inner wall of the through hole. The second rotating bearing has a first part and a second part that can rotate relative to each other. The first part is fixed to the inner wall of the through hole, and the second part is sleeved on the rotating rod and fixed to the rotating rod.

[0013] In other embodiments, the rotating rod has a connecting pipe extending through it along its axial direction.

[0014] In other embodiments, the worm gear is integrally formed with the transmission component.

[0015] In other embodiments, a plurality of heat dissipation fins extend from the outer surface of the housing.

[0016] The beneficial effects of this utility model are as follows: This utility model includes a housing, a transmission component, a motor assembly, and a reduction gear assembly. The housing has a first fixed cavity and a second fixed cavity, with a connecting hole between them. The motor assembly is disposed in the first fixed cavity, and the reduction gear assembly is fixed in the second fixed cavity. The transmission component passes through the connecting hole, with one end connected to the motor assembly and the other end connected to the reduction gear assembly. In use, the housings of the motor assembly and the reduction gear assembly are integrally manufactured, saving manufacturing costs for the latter part of the housing. Furthermore, since both the reduction gear assembly and the motor are fixed through the housing, no additional error factors are introduced due to different fixing positions, effectively ensuring output accuracy. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the integrated speed reduction device in this utility model; Figure 2 A schematic cross-sectional view of the motor assembly of the integrated speed reducer; Figure 3 A schematic diagram of the cross-section of an integrated speed reduction device; Figure 4 This is a schematic cross-sectional view of the reduction assembly in an integrated reduction gear device. Wherein: 1-shell, 11-first fixing cavity, 12-second fixing cavity, 13-connecting hole, 14-through hole, 15-heat dissipation fins; 2-Transmission components; 3-Motor assembly, 31-Rotating shaft, 32-Stator, 33-Rotor; 4-Reduction gear assembly, 41-Worm gear, 42-Worm wheel, 43-Rotating rod, 431-Connecting pipe. Detailed Implementation

[0019] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention.

[0020] like Figure 1-4 As shown, an embodiment of this utility model provides an integrated speed reduction device, which includes: a housing 1, a transmission component 2, a motor assembly 3, and a speed reduction assembly 4. The housing 1 has a first fixed cavity 11 and a second fixed cavity 12. A connecting hole 13 is formed between the first fixed cavity 11 and the second fixed cavity 12. The motor assembly 3 is disposed in the first fixed cavity 11, and the speed reduction assembly 4 is fixed in the second fixed cavity 12. The transmission component 2 passes through the connecting hole 13, with one end connected to the motor assembly 3 and the other end connected to the speed reduction assembly 4.

[0021] In this invention, the housing 1 has a first fixing cavity 11 and a second fixing cavity 12, with a connecting hole 13 between the first fixing cavity 11 and the second fixing cavity 12. The motor assembly 3 is disposed in the first fixing cavity 11, and the reduction assembly 4 is fixed in the second fixing cavity 12. The transmission member 2 passes through the connecting hole 13, with one end connected to the motor assembly 3 and the other end connected to the reduction assembly 4. In use, the housings of the motor assembly 3 and the reduction assembly 4 are integrally manufactured, which saves the manufacturing cost of the latter part of the housing. Furthermore, both the reduction assembly 3 and the motor 2 are fixed through the housing 1, and no additional error factors are introduced due to different fixing positions, effectively ensuring the accuracy of the output shaft.

[0022] Specifically, the transmission component 2 is rod-shaped and passes through the connecting hole 13. To facilitate the rotation of the transmission component 2 relative to the connecting hole 13, a bearing engagement groove is provided on the inner wall of the connecting hole 13. A first rotating bearing is embedded in the bearing engagement groove. The first rotating bearing has a first part and a second part that can rotate relative to each other. The first part is fixed to the inner wall of the bearing engagement groove, and the second part is sleeved on the transmission component 2 and fixed to the transmission component 2.

[0023] Specifically, the motor assembly 3 includes a rotating shaft 31, a stator 32, and a rotor 33. The rotating shaft 31 is disposed in the first fixed cavity 11, and one end of the rotating shaft 31 is coaxially fixed with the transmission member 2. The stator 32 is fixed on the inner wall of the first fixed cavity 11, and the rotor 33 is sleeved on the rotating shaft 31.

[0024] It should be noted that the stator 32 and the rotor 33 are conventional devices in motors in the art, and this application has not made any improvements to them. Their structure is well known to those skilled in the art, so their specific structure will not be described in detail here.

[0025] Furthermore, an annular groove is formed on the inner wall of the first fixing cavity 11, and the stator 32 is embedded in the annular groove.

[0026] Furthermore, the rotating shaft 31 is integrally formed with the transmission component 2. This design reduces transmission losses and improves transmission accuracy between the rotating shaft 31 and the transmission component 2, and also helps extend their service life.

[0027] Specifically, the reduction assembly 4 includes a worm 41, a worm wheel 42, and a rotating rod 43. The worm 41 is disposed in the second fixed cavity 12, and one end of the worm 41 is coaxially fixed with the transmission component 2. The rotating rod 43 is rotatably fixed in the second fixed cavity 12. The worm wheel 42 is sleeved on the rotating rod 43 and threadedly connected to the worm 41.

[0028] Furthermore, a through hole 14 is provided on the inner wall of the second fixed cavity 12 in a direction perpendicular to the transmission member 2. The through hole 14 passes through the second fixed cavity 12 and communicates with the outside. A second rotating bearing is provided on the inner wall of the through hole 14. The second rotating bearing has a first part and a second part that can rotate relative to each other. The first part is fixed to the inner wall of the through hole 14, and the second part is sleeved on the rotating rod 43 and fixed to the rotating rod 43.

[0029] Furthermore, the rotating rod 43 is provided with a connecting pipe 431 along its axial direction, which facilitates the connection of external equipment.

[0030] Furthermore, the worm gear 41 is integrally formed with the transmission component 2. This design reduces transmission losses and improves transmission accuracy between the worm gear 41 and the transmission component 2, and also helps extend their service life.

[0031] In some feasible embodiments, the rotating shaft 31, the transmission component 2, and the worm gear 41 are integrally formed. This design has the advantage of reducing transmission losses and improving transmission accuracy among the rotating shaft 31, the transmission component 2, and the worm gear 41, and also helps to extend their service life.

[0032] Specifically, a plurality of heat dissipation fins 15 extend from the outer surface of the housing 1. The heat dissipation fins 15 are used to improve the heat dissipation capacity of the housing 1.

[0033] The beneficial effects of this utility model are: This utility model includes a housing, a transmission component, a motor assembly, and a reduction gear assembly. The housing has a first fixed cavity and a second fixed cavity, with a connecting hole between them. The motor assembly is disposed in the first fixed cavity, and the reduction gear assembly is fixed in the second fixed cavity. The transmission component passes through the connecting hole, with one end connected to the motor assembly and the other end connected to the reduction gear assembly. In use, the housings of the motor assembly and the reduction gear assembly are integrally manufactured, saving manufacturing costs for the latter part of the housing. Furthermore, since both the reduction gear assembly and the motor are fixed through the housing, no additional error factors are introduced due to different fixing positions, effectively ensuring the accuracy of the output shaft.

[0034] In the description of this application, it should be noted that the terms "upper" and "lower," etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the module or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two components. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0035] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0036] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the scope of protection of this utility model.

Claims

1. An integrated speed reduction device, characterized by, include: The housing has a first fixing cavity and a second fixing cavity inside, and a communication hole is formed between the first fixing cavity and the second fixing cavity. The motor assembly is disposed within the first fixed cavity; The deceleration assembly is disposed within the second fixed cavity; as well as A transmission component, which passes through the connecting hole, is connected at one end to the motor assembly and at the other end to the reduction assembly.

2. The integrated reduction device of claim 1, wherein, The inner wall of the connecting hole is provided with a bearing engagement groove, and a first rotating bearing is embedded in the bearing engagement groove. The first rotating bearing has a first part and a second part that can rotate relative to each other. The first part is fixed to the inner wall of the bearing engagement groove, and the second part is sleeved on the transmission component and fixed to the transmission component.

3. The integrated speed reduction device of claim 1, wherein, The motor assembly includes a rotating shaft, a stator, and a rotor. The rotating shaft is disposed in the first fixed cavity, and one end of the rotating shaft is coaxially fixed with the transmission component. The stator is fixed on the inner wall of the first fixed cavity, and the rotor is sleeved on the rotating shaft.

4. The integrated reduction gear of claim 3, wherein An annular groove is formed on the inner wall of the first fixed cavity, and the stator is embedded in the annular groove.

5. The integrated reduction gear of claim 3, wherein The rotating shaft is integrally formed with the transmission component.

6. The integrated reduction device of claim 1, wherein, The speed reduction assembly includes a worm, a worm wheel, and a rotating rod. The worm is disposed in the second fixed cavity, and one end of the worm is coaxially fixed with the transmission component. The rotating rod is rotatably fixed in the second fixed cavity. The worm wheel is sleeved on the rotating rod and threadedly connected to the worm.

7. The integrated reduction device of claim 6, wherein, A through hole is provided on the inner wall of the second fixed cavity along a direction perpendicular to the transmission member. The through hole passes through the second fixed cavity and communicates with the outside. A second rotating bearing is provided on the inner wall of the through hole. The second rotating bearing has a first part and a second part that can rotate relative to each other. The first part is fixed to the inner wall of the through hole, and the second part is sleeved on the rotating rod and fixed to the rotating rod.

8. The integrated reduction device of claim 7, wherein, The rotating rod has a connecting pipe running through it along its axial direction.

9. The integrated speed reduction device of claim 7, wherein, The worm gear and the transmission component are integrally manufactured.

10. The integrated speed reduction device of claim 1, wherein, Several heat dissipation fins extend from the outer surface of the shell.

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