Motor driver device with external turbine

Abstract

The utility model provides a motor driver device with an external turbine, and belongs to the technical field of electric furniture. The problems that according to an existing lifting motor turbine, the turbine and a worm need to be connected together through two shells, and an inner hexagonal hole used for being connected with an external transmission lead screw assembly needs to be formed in a connecting shaft in the middle of the turbine are solved. According to the motor driver device with the external turbine, the output end of a motor body is further connected with a worm, a turbine shell comprises a worm base on the lower portion and a side shell connected to the side portion of the worm base, the worm is installed in the worm base, and the turbine is connected to the side portion of the side shell through a transmission pin shaft and meshed with the worm at the lower installation portion. A connecting ring extending outwards is further arranged on the side portion of the turbine, a three-jaw assembly used for being connected with an external transmission lead screw assembly is further arranged in the connecting ring, the three-jaw assembly on the external turbine can be well connected with the external transmission lead screw assembly, the turbine support is simple in structure and small in material consumption, and cost is greatly reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric furniture and relates to a motor driver device with an external turbine. Background Art

[0002] In the prior art, the lifting motor of the electric lifting table is mostly connected to the lifting table body through connecting parts such as screws and bolts, and the lifting motor is in direct contact with the lifting table body.

[0003] The end of the lifting motor is also provided with a housing for installing a worm gear. Generally, two symmetrical housings are provided, and the two symmetrical housings are connected together by screws, bolts and other connecting parts to form a housing with a cavity inside for easy installation of the worm gear. Bearings need to be installed in the middle of the two housings, and the installed bearings are for installation at both ends of the turbine, that is, ball bearings need to be installed at both ends of the turbine.

[0004] The turbine needs to be connected to an external transmission screw assembly. Generally, a connecting shaft is arranged in the middle of the turbine. The two ends of the connecting shaft extend out of the casing on both sides respectively. A hexagonal hole is opened on the connecting shaft in the middle of the turbine, and then it is connected to the external lifting table transmission screw assembly through the hexagonal hole. This connection is more complicated and uses more materials. Utility Model Content

[0005] The purpose of the utility model is to provide a motor driver device with an external turbine which has a compact structure and strong stability in view of the above problems existing in the prior art.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A motor drive device with an external turbine comprises a motor body and a turbine housing connected to the upper part of the motor body, characterized in that a worm is also connected to the output end of the motor body, the turbine housing comprises a lower worm seat and a side housing connected to the side of the worm seat, the worm is installed in the worm seat, the turbine is connected to the side of the side housing through a transmission pin shaft, and meshes with the worm at the lower mounting part, the side of the turbine also has a connecting ring extending outward, and a three-claw assembly for connecting to an external transmission screw assembly is also arranged in the connecting ring.

[0008] A turbine housing is connected to the upper part of the motor body for installing the turbine and the worm. The turbine housing consists of a worm seat at the lower part for installing the worm and a side housing located at the side for installing the turbine. The worm is installed in the worm seat, and the worm is connected to the output end inside the motor body. The turbine is connected to the side housing through a transmission pin. The turbine is arranged parallel to the side housing, and the lower part of the turbine is meshed with the worm. In this way, the rotation of the output end of the motor body can drive the worm, and then drive the turbine meshed with the worm.

[0009] The worm seat of the lifting motor assembly is open, that is, the turbine is exposed to the outside, and a three-claw assembly for connecting to an external transmission screw assembly is also provided on the external turbine. The three-claw assembly can be connected to the external transmission screw assembly to achieve transmission. The turbine bracket has a simple structure, does not require ball bearings for support at both ends, and uses less material.

[0010] In the above-mentioned motor drive device with an external turbine, the worm seat includes a connecting shell that can be connected to the motor body and a semi-open shell for installing the turbine, and the connecting shell is connected to the motor body by screws or bolts.

[0011] The worm seat is divided into a connecting shell for connecting to the motor body and a semi-open shell for connecting to the turbine. The semi-open shell is semi-open, and internal threaded holes are provided on the shell of the motor body and the connecting shell. The turbine shell is connected to the motor body, that is, the holes on the connecting shell are aligned with the holes on the motor body, and then connected to the motor body by screws or bolts.

[0012] In the above-mentioned motor drive device with an external turbine, the middle part of the turbine also has a connecting sleeve protruding to both sides of the turbine, and the side shell also has a contact sleeve. The connecting sleeve and the contact sleeve are in surface contact, and the transmission pin shaft is inserted into the connecting sleeve and the contact sleeve.

[0013] A contact sleeve protruding outward is also provided in the middle of the side shell, and a connecting sleeve protruding on both sides is provided in the middle of the turbine. The connecting sleeve abuts against the side of the contact sleeve, and then a transmission pin is passed between the connecting sleeve and the contact sleeve to connect the turbine and the side shell together.

[0014] In the above-mentioned motor driver device with an external turbine, the three-claw assembly is three annular claw openings arranged in the connecting ring, and a special-shaped notch is formed between the three claw openings and the connecting sleeve.

[0015] By arranging three annular evenly distributed claw openings in the groove on the side of the turbine, and then arranging a clamping portion matching the three annular claw openings and a special-shaped notch formed between the three claw openings at the external transmission screw assembly, it can be clamped in the side of the turbine, and the clamping portion at the external transmission screw assembly can be connected with the claw opening and the notch on the side of the turbine respectively, that is to say, the clamping portion at the external transmission screw assembly is clamped in the side of the turbine, and is engaged with the special-shaped notch on the side of the turbine through the three claw openings, so that the external transmission screw assembly can be driven when the turbine is transmitted.

[0016] In the above-mentioned motor driver device with an external turbine, the depth of the claw opening is smaller than the depth of the connecting ring.

[0017] This makes it easier for the clamping portion at the external transmission screw assembly to be better embedded in the groove on the side of the turbine and better embedded in the three claw openings.

[0018] In the above-mentioned motor driver device with an external turbine, the two ends of the transmission pin shaft extend out of the side housing and the turbine respectively, and locking grooves are provided at both ends of the transmission pin shaft, and limiting plates are embedded in the locking grooves.

[0019] Locking grooves are also provided at both ends of the transmission pin shaft. The transmission pin shaft is inserted into and connected to the connecting sleeve and the contact sleeve, and extends out of the connecting sleeve and the contact sleeve at both ends. The locking groove is also located at the extending part of the connecting sleeve and the contact sleeve. In this way, a limit plate is embedded in the locking groove to fix the transmission pin shaft to the turbine and the side casing, thereby increasing the connection stability and reliability.

[0020] In the above-mentioned motor drive device with an external turbine, the connecting shell is provided with a circular hole for the worm to pass through, and the other end of the worm seat is also provided with an axial hole for the turbine to be connected. One end of the turbine extends into the circular hole and is connected to the output end of the motor, and the other end is rotatably connected in the axial hole.

[0021] A circular hole is also provided on the connecting shell, and the two circular holes are aligned with each other, so that the output end of the motor can be located at the circular hole and can be connected to the worm at the worm seat. That is to say, one end of the worm installed in the worm seat is connected to the output end of the motor, and the other end can be rotatably connected to the axial hole at the end of the worm seat, so that the worm can be connected to the turbine shell, and the worm can be driven to rotate by the motor.

[0022] In the above-mentioned motor driver device with an external turbine, the contact sleeve is further provided with reinforcing ribs around its periphery, and two ends of the reinforcing ribs are respectively connected to the contact sleeve and the side housing.

[0023] Increase strength, facilitate turbine installation, and provide support.

[0024] In the above-mentioned motor drive device with an external turbine, a plurality of reinforcing strips are further arranged between the worm seat and the side housing, and the worm seat, the side housing and the reinforcing strips are an integrated structure.

[0025] The reinforcing strip can increase the strength between the worm seat and the side housing. The worm seat, the side housing and the reinforcing strip are an integrated structure with good integrity and better strength, which is convenient for installing the turbine and the worm.

[0026] In the above-mentioned motor driver device with an external turbine, the connecting shell also has two left-right symmetrical buckles.

[0027] The connecting shell is provided with two symmetrical clips, and the shell of the motor body is provided with a slot matching the clips, so that when the worm seat is connected to the motor body, the clips can be snapped into the slots, further increasing the connection strength between the turbine shell and the motor body.

[0028] Compared with the prior art, the turbine box of the lifting motor assembly of the present invention is composed of a turbine housing to connect the worm and the turbine, and the turbine is arranged on the outside of the turbine housing, that is, through the external turbine, a plurality of claw openings are arranged on the side of the external turbine, and the side of the external turbine has a connecting ring, which is used to connect the external transmission screw assembly, that is, the external transmission screw assembly can be embedded in the connecting ring, and three claw openings are also arranged in the groove on the side of the turbine, which are respectively and evenly distributed on the turbine connecting ring in an annular manner, and the three claw openings are engaged with the clamping part on the external rotating screw assembly, thereby increasing the connection between the turbine and the external transmission screw assembly. In terms of connection tightness and connection stability, the worm is installed in the worm seat at the bottom of the turbine housing, and the turbine is perpendicular to the worm and parallel to the side housing of the turbine housing, and the turbine is connected to the side housing through a transmission pin, so that the installation of the turbine and the worm can be realized. The turbine is meshed with the worm, and the worm is driven by the output motor in the motor body, which drives the turbine to rotate. The turbine is provided with claw openings and special-shaped grooves that can be connected to the external transmission screw assembly, which can drive, greatly reducing the cost. The external turbine is directly installed, which not only has high connection strength, but also saves costs. The connection stability between the turbine and the external transmission screw assembly is also high and more wear-resistant. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 The utility model is a structural schematic diagram of a motor driver device with an external turbine.

[0030] Figure 2 The present invention is a schematic diagram of the structure of a turbine in a motor drive device with an external turbine.

[0031] Figure 3 The present invention is a schematic diagram of the structure of the side housing of a motor driver device with an external turbine.

[0032] Figure 4 The present invention is a schematic diagram of the structure of a worm seat in a motor drive device with an external turbine.

[0033] Figure 5 The present invention is a schematic diagram of the structure of a turbine housing in a motor driver device with an external turbine.

[0034] In the figure, 1. motor body; 2. turbine housing; 3. worm; 4. turbine; 5. worm seat; 6. side housing; 7. connecting ring; 8. three-claw mouth; 9. special-shaped notch; 10. connecting housing; 11. half-open housing; 12. connecting sleeve; 13. contact sleeve; 14. transmission pin; 15. locking groove; 16. limit plate; 17. shaft hole; 18. round hole; 19. reinforcement strip; 20. buckle. DETAILED DESCRIPTION

[0035] like Figure 1 , Figure 2 , Figure 3 and Figure 4 and Figure 5 As shown, the motor drive device with an external turbine 4 includes a motor body 1 and a turbine housing 2 connected to the upper part of the motor body 1, and a worm 3 is also connected to the output end of the motor body 1. The turbine housing 2 includes a lower worm seat 5 and a side housing 6 connected to the side of the worm seat 5. The worm 3 is installed in the worm seat 5. The turbine 4 is connected to the side of the side housing 6 through a transmission pin shaft 14 and meshes with the worm 3 at the lower mounting portion. The side of the turbine 4 also has a connecting ring 7 extending outward, and a three-claw assembly for connecting to an external transmission screw assembly is also provided in the connecting portion.

[0036] The worm seat 5 includes a connecting housing 10 that can be connected to the motor body 1 and a semi-open housing 11 for mounting the turbine 4. The connecting housing 10 is connected to the motor body 1 by screws or bolts.

[0037] The middle part of the turbine 4 also has a connecting sleeve 12 protruding toward both sides of the turbine 4 , and the side shell 6 also has a contact sleeve 13 , the connecting sleeve 12 and the contact sleeve 13 are in surface contact, and the transmission pin shaft 14 is penetrated through the connecting sleeve 12 and the contact sleeve 13 .

[0038] The three-claw assembly is three annular claw openings arranged in the connecting ring 7, and a special-shaped notch 9 is formed between the three claw openings and the connecting sleeve 12.

[0039] The depth of the claw opening is smaller than the depth of the connecting ring 7 .

[0040] Both ends of the transmission pin shaft 14 extend out of the side housing 6 and the turbine 4 respectively. Locking grooves 15 are formed at both ends of the transmission pin shaft 14 , and limiting plates are embedded in the locking grooves 15 .

[0041] The connecting shell 10 is provided with a circular hole 18 for the worm 3 to penetrate, and the other end of the worm seat 5 is also provided with an axial hole 17 for connecting the turbine 4. One end of the turbine 4 extends into the circular hole 18 and is connected to the output end of the motor, and the other end is rotatably connected in the axial hole 17.

[0042] The contact sleeve 13 is also provided with reinforcing ribs around its periphery, and two ends of the reinforcing ribs are respectively connected to the contact sleeve 13 and the side housing 6 .

[0043] A plurality of reinforcing strips 19 are further provided between the worm seat 5 and the side housing 6 , and the worm seat 5 , the side housing 6 and the reinforcing strips 19 are an integrated structure.

[0044] The connection housing 10 also has two left-right symmetrical buckles 20 .

[0045] A turbine housing 2 is connected to the upper part of the motor body 1. The turbine housing 2 is divided into a worm seat 5 at the lower part and a side housing 6 at the side part. The worm 3 is installed in the worm seat 5, and the turbine 4 is connected to the side housing 6. The worm 3 is connected to the output end inside the motor body 1, and the turbine 4 is connected to the side housing 6 through a transmission pin 14. The turbine 4 is arranged parallel to the side housing 6, and the lower part of the turbine 4 is meshed with the worm 3. In this way, the rotation of the output end of the motor body 1 can drive the worm 3, and then drive the turbine 4 meshed with the worm 3.

[0046] The worm seat 5 is divided into a connecting shell 10 that can be connected to the motor body 1, and a semi-open shell 11 that can install the worm 3. Internal threaded holes are provided on the shell of the motor body 1 and the connecting shell 10. The turbine shell 2 is connected to the motor body 1, that is, the hole position on the connecting shell 10 is aligned with the hole position on the motor body 1, and then connected to the motor body 1 by screws or bolts. The connecting shell 10 has two symmetrical buckles 20 that can be snapped onto the shell of the motor body 1. After being connected together, the circular hole 18 on the connecting shell 10 can be aligned with the motor output end, that is, the worm 3 installed at the semi-open shell 11 can pass through the circular hole 18 to be connected to the motor output end, and the other end can be rotatably connected to the axial hole 17 at the end of the worm seat 5, so that the worm 3 can be connected to the turbine shell 2, and the worm 3 can be driven to rotate by the motor.

[0047] The turbine 4 is connected to the side housing 6 through a transmission pin 14. A contact sleeve 13 protruding outward is also provided in the middle of the side housing 6. A connecting sleeve 12 protruding to both sides is provided in the middle of the turbine 4. The connecting sleeve 12 abuts against the side of the contact sleeve 13, and then a transmission pin 14 is passed between the connecting sleeve 12 and the contact sleeve 13 to connect the turbine 4 and the side housing 6 together. Locking grooves 15 are also provided at both ends of the transmission pin 14. The transmission pin 14 is passed through and connected in the connecting sleeve 12 and the contact sleeve 13, and the connecting sleeve 12 and the contact sleeve 13 are extended at both ends. The locking groove 15 is also located at the extended part of the connecting sleeve 12 and the contact sleeve 13. In this way, a limiting plate is embedded in the locking groove 15 to fix the transmission pin 14 to the turbine 4 and the side housing 6, thereby increasing the connection stability and reliability.

[0048] The side of the turbine 4 also has a three-claw assembly connected to the external transmission screw assembly, and three annular evenly distributed claw openings are arranged in the groove on the side of the turbine 4, and then a clamping portion matching the three annular claw openings and a special-shaped notch formed between the three claw openings is also arranged at the external transmission screw assembly, which can be clamped in the side of the turbine 4, and the clamping portion at the external transmission screw assembly can be connected with the claw opening and notch on the side of the turbine 4 respectively, that is to say, the clamping portion at the external transmission screw assembly is clamped in the side of the turbine 4, and is engaged with the special-shaped notch 9 on the side of the turbine 4 through the three claw openings. When the turbine 4 is transmitted, it can drive the external transmission screw assembly. The turbine 4 is connected to the side shell 6 through the transmission pin shaft 14, so that the installation of the turbine 4 and the worm 3 can be realized. The turbine 4 is meshed with the worm 3, and the worm 3 is driven by the output motor in the motor body 1, thereby driving the turbine 4 to rotate. The turbine 4 is provided with a claw mouth and a special-shaped groove 9 that can be connected to the external transmission screw assembly, and then can drive, which greatly reduces the cost. The external turbine 4 is directly connected, which not only has a high connection strength, but also can save costs. The connection stability between the turbine 4 and the external transmission screw assembly is also high and more wear-resistant.

[0049] All technical features in this embodiment can be freely combined according to actual needs.

[0050] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A motor drive device with an external turbine, comprising a motor body and a turbine housing connected to the upper part of the motor body, characterized in that: A worm is also connected to the output end of the motor body, and the turbine housing includes a lower worm seat and a side housing connected to the side of the worm seat. The worm is installed in the worm seat, and the turbine is connected to the side of the side housing through a transmission pin and meshes with the worm at the lower mounting portion. The side of the turbine also has a connecting ring extending outward, and a three-claw assembly for connecting to an external transmission screw assembly is also provided in the connecting ring.

2. The motor drive device with an external turbine according to claim 1, characterized in that: The worm seat comprises a connecting shell that can be connected to the motor body and a semi-open shell for installing the turbine. The connecting shell is connected to the motor body through screws or bolts.

3. The motor driver device with an external turbine according to claim 1, characterized in that: The middle part of the turbine also has a connecting sleeve protruding toward both sides of the turbine, and the side shell also has a contact sleeve. The connecting sleeve and the contact sleeve are in surface contact, and the transmission pin is inserted through the connecting sleeve and the contact sleeve.

4. The motor driver device with an external turbine according to claim 3, characterized in that: The three-claw assembly is three annular claw openings arranged in the connecting ring, and a special-shaped notch is formed between the three claw openings and the connecting sleeve.

5. The motor driver device with an external turbine according to claim 4, characterized in that: The depth of the claw opening is smaller than the depth of the connecting ring.

6. The motor driver device with an external turbine according to claim 1, characterized in that: The two ends of the transmission pin shaft extend out of the side housing and the turbine respectively. Locking grooves are provided at the two ends of the transmission pin shaft, and limiting plates are embedded in the locking grooves.

7. The motor driver device with an external turbine according to claim 2, characterized in that: The connecting shell is provided with a round hole for the worm to penetrate, and the other end of the worm seat is also provided with an axial hole for the turbine to connect. One end of the turbine extends into the round hole and is connected to the output end of the motor, and the other end is rotatably connected in the axial hole.

8. The motor driver device with an external turbine according to claim 5, characterized in that: The contact sleeve is also provided with reinforcing ribs around its periphery, and the two ends of the reinforcing ribs are respectively connected to the contact sleeve and the side shell.

9. The motor driver device with an external turbine according to claim 8, characterized in that: A plurality of reinforcing strips are also arranged between the worm seat and the side shell body, and the worm seat, the side shell body and the reinforcing strips are an integrated structure.

10. The motor driver device with an external turbine according to claim 7, characterized in that: The connecting shell also has two left-right symmetrical buckles.

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