Motor box and transmission box connection and gear assembly structure

By designing the plug-in fixing and guiding structure for the motor housing and transmission housing, the problem of gear jamming during assembly was solved, achieving stable connection and efficient meshing.

CN223578776UActive Publication Date: 2025-11-21HANGZHOU WISTAR MECHANICAL& ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202423317418.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-21
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

During the assembly of the motor housing and transmission housing, the gears may jam due to a lack of guiding function, affecting normal meshing.

Method used

The plug-in fixing structure and plug-in guiding structure are adopted to ensure a stable connection between the motor housing and the transmission housing, and the smooth meshing of the gears is achieved by setting conical guide components on the transmission gear and the drive gear.

Benefits of technology

This avoids gear jamming and improves gear meshing efficiency and connection stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223578776U_ABST
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Abstract

The utility model relates to a motor case and transmission case connection and gear assembly structure. The utility model solves the technical problem that the two gears are stuck in the prior art during opposite insertion and the like. Comprising two box bodies which are axially and adjacently arranged, gear bodies are rotationally arranged in the box bodies respectively, and an inserting and fixing structure which enables one box body to be inserted into one end of the other box body in the height direction so as to enable the two box bodies to be axially and fixedly connected is arranged between the two box bodies. The gear body in one of the two box bodies extends into the other box body, and an insertion guide structure is arranged between the gear bodies in the two box bodies, wherein when the two box bodies are connected in an inserted mode, one gear body can be connected with the other gear body in an inserted mode in the thickness direction of the gear bodies through the insertion guide structure, and therefore the two gear bodies are meshed with each other. The insertion guide structure has the advantages that the second guide part is mounted on the transmission gear, and the first guide part is mounted on the driving gear, so that the transmission gear and the driving gear can be smoothly connected during insertion meshing, and meshing clamping is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to gear assembly technical field, concretely relates to a motor box and transmission box connection and gear assembly structure. BACKGROUND

[0002] Gear is a kind of mechanical element that motion and power are transmitted by continuous meshing of gear teeth.In the assembly of motor box and transmission box, the gear in the motor box and the gear in the transmission box are connected by the way of up-down insertion, but as most gears do not have guiding function, the teeth of the two gears can be stuck during insertion, so that the two gears cannot be normally meshed, affecting normal use. SUMMARY

[0003] The utility model aims at above -mentioned problem, provides a motor box and transmission box connection and gear assembly structure.

[0004] To achieve the above object, the utility model adopts the following technical scheme: a motor box and transmission box connection and gear assembly structure, including two axially adjacent box, the box is respectively rotationally provided with gear body, the insertion fixed structure that can make one box be inserted in the other box one end along the height direction to make the two box axial fixed connection is arranged between the two box, the gear body in one of the two box extends to the other box, the insertion guiding structure that can make one gear body be inserted with the remaining one gear body along the thickness direction of gear body to make the two gear bodies mesh with each other when the two box are inserted with each other is arranged between the gear bodies in the two box. The two box are connected with each other through the insertion fixed structure, the insertion fixed structure can ensure the stable connection between the box, the gear bodies in each box are also meshed with each other through the insertion guiding structure when the two box are connected, the insertion guiding structure can ensure the meshing between the gear bodies, avoid the phenomenon of sticking.

[0005] In the above-mentioned motor box and transmission box connection and gear assembly structure, one of the two box is transmission box and the remaining one is motor box, the gear body in the transmission box is transmission gear and the gear body in the motor box is driving gear.

[0006] In the above-mentioned motor box and transmission box connection and gear assembly structure, the transmission gap is arranged between the transmission box and the motor box, and the transmission gear is extended from the transmission gap to the motor box along the circumferential outer side. The transmission gear is meshed with the driving gear through the transmission gap, and the use space of the transmission box and the motor box is reasonably utilized.

[0007] In the motor case and transmission case connecting and gear assembling structure, the insertion fixing structure comprises vertical insertion components arranged between the motor case and the transmission case.

[0008] In the motor case and transmission case connecting and gear assembling structure, the vertical insertion components comprise first insertion grooves arranged vertically on both inner sides of the end of the motor case close to the transmission case, the transmission case is provided with an insertion plate on the end close to the motor case, the insertion plate is vertically inserted on both sides of the first insertion grooves, the transmission case is provided with second insertion grooves vertically arranged on both sides of the end close to the motor case, and the motor case is provided with insertion protrusions on both inner sides of the end close to the transmission case, which are vertically inserted into the second insertion grooves. The insertion plate is installed in the first insertion grooves, the insertion protrusions are installed in the second insertion grooves, and the two insertion fixing structures can ensure the stable connection of the motor case and the transmission case.

[0009] In the motor case and transmission case connecting and gear assembling structure, the end of the motor case close to the transmission case is provided with a motor case end plate, the upper end of the motor case end plate is provided with a first gap, the upper end of the insertion plate is provided with a second gap corresponding to the first gap and exposing the outer side of the transmission gear, a transmission gap is formed between the first gap and the second gap, the first insertion grooves are formed between the motor case end plate and the insertion protrusions, and the second insertion grooves are formed between the two sides of the insertion plate and the end face of the transmission case.

[0010] In the motor case and transmission case connecting and gear assembling structure, the insertion limiting component comprises a limiting part arranged at the bottom of the first insertion groove and bent from the side of the insertion protrusion towards the motor case end plate, and the lower end of the insertion plate is provided with a limiting gap abutting against the limiting part. The limiting part is used to ensure the installation of the transmission case, and the limiting gap can ensure the flush connection between the transmission case and the motor case.

[0011] In the motor case and transmission case connecting and gear assembling structure, the insertion guiding structure comprises a first guiding component arranged on the circumferential outer side of the upper end of the driving gear and a second guiding component arranged on the circumferential outer side of the lower end of the transmission gear.

[0012] In the motor case and transmission case connecting and gear assembling structure, the first guiding component comprises first guiding parts arranged on the upper end of each driving tooth of the driving gear and corresponding to the transmission tooth groove of the transmission gear, the first guiding parts are conical and integrated with the driving tooth, and the width of the first guiding part gradually decreases from one end close to the driving tooth to the other end.

[0013] In the motor box and transmission box connecting and gear assembling structure, the second guide assembly comprises a second guide part arranged at the lower end of each transmission tooth of the transmission gear and corresponding to the driving tooth groove of the driving gear, the second guide part is tapered and integrated with the transmission tooth, and the width of the second guide part gradually decreases from one end of the transmission tooth to the other end.

[0014] Compared with the prior art, the motor box and transmission box connecting and gear assembling structure has the advantages that:

[0015] 1. The device installs the second guide part on the transmission gear and the first guide part on the driving gear through the plug-in guide structure, so that the transmission gear and the driving gear can be smoothly connected when they are plugged into engagement, and the engagement jamming phenomenon is reduced.

[0016] 2. The transmission box body and the motor box body are connected through the plug-in fixing structure, the transmission gear and the driving gear are connected at the same time when the transmission box body and the motor box body are connected, and the vertical plug-in assembly and the plug-in limiting assembly can ensure the connection stability of the transmission box body and the motor box body. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the utility model.

[0018] Figure 2 is a schematic view of the inside of the box body in the utility model.

[0019] Figure 3 is a structural schematic view of the motor box body in the utility model.

[0020] Figure 4 is a structural schematic view of the transmission box body in the utility model.

[0021] Figure 5 is a structural schematic view of the driving gear in the utility model.

[0022] Figure 6 is a structural schematic view of the transmission gear in the utility model.

[0023] In the figure: box 1, transmission box 11, motor box 12, transmission gap 13, motor box end plate 14, first gap 15, second gap 16, gear body 2, transmission gear 21, transmission gear slot 211, transmission gear tooth 212, drive gear 22, drive gear tooth 221, drive gear slot 222, plug-in fixing structure 3, vertical plug-in assembly 4, first plug-in slot 41, plug-in plate 42, second plug-in slot 43, plug-in convex strip 44, plug-in limiting assembly 5, limiting part 51, limiting gap 52, plug-in guide structure 6, first guide assembly 61, second guide assembly 62, first guide part 63, second guide part 64. DETAILED DESCRIPTION

[0024] The utility model will be made further detailed explanation in combination with the drawings and specific implementation.

[0025] As Figures 1-6 shown, a motor box and transmission box connection and gear assembly structure, including two axially adjacent setting box 1, gear body 2 is rotationally arranged in the box 1, two box 1 between the one box 1 is inserted in the other box 1 one end along the height direction to make two box 1 axially fixedly connected to each other of the plug-in fixing structure 3, the gear body 2 in one of the two box 1 extends to the other box 1, the gear body 2 between the two box 1 is arranged when two box 1 is inserted to make one of the gear body 2 along the thickness direction of the gear body 2 and the remaining one gear body 2 is inserted to make two gear body 2 mesh with each other of the plug-in guide structure 6. Two box 1 is connected to each other by plug-in fixing structure 3, plug-in fixing structure 3 can ensure the connection stability between box 1, while two box 1 is connected, the gear body 2 in each box 1 is also meshed with each other by plug-in guide structure 6, plug-in guide structure 6 can ensure the meshing between the gear body 2, avoid the phenomenon of jamming.

[0026] As Figure 2 shown, one of the two box 1 is transmission box 11 and the remaining one box 1 is motor box 12, the gear body 2 in transmission box 11 is transmission gear 21 and the gear body 2 in motor box 12 is drive gear 22.

[0027] Among them, transmission gap 13 is arranged between transmission box 11 and motor box 12, and transmission gear 21 extends to motor box 12 from the transmission gap 13 on the circumferential outer side. Transmission gear 21 is meshed with drive gear 22 through transmission gap 13, and the use space of transmission box 11 and motor box 12 is reasonably utilized.

[0028] In combination Figure 2 , Figure 3 and Figure 4As shown, the plug-in fixing structure 3 comprises a vertical plug-in assembly 4 arranged between the motor box 12 and the transmission box 11, and a plug-in limiting assembly 5 arranged between the motor box 12 and the transmission box 11 to make the same side of the motor box 12 and the transmission box 11 flush.

[0029] The vertical plug-in assembly 4 comprises a first plug-in groove 41 arranged vertically on the two inner sides of the end of the motor box 12 close to the transmission box 11, a plug-in plate 42 arranged on the end of the transmission box 11 close to the motor box 12, the plug-in plate 42 being vertically slidably plugged into the first plug-in groove 41, a second plug-in groove 43 arranged vertically on the two sides of the end of the transmission box 11 close to the motor box 12, and a plug-in protrusion 44 arranged on the two inner sides of the end of the motor box 12 close to the transmission box 11 and vertically plugged into the second plug-in groove 43. The plug-in plate 42 is arranged in the first plug-in groove 41, the plug-in protrusion 44 is arranged in the second plug-in groove 43, and the two plug-in fixings can ensure the stable connection of the motor box 12 and the transmission box 11.

[0030] Specifically, the motor box end plate 14 is arranged on the inner side of the end of the motor box 12 close to the transmission box 11, the first notch 15 is arranged on the upper end of the motor box end plate 14, the second notch 16 is arranged on the upper end of the plug-in plate 42 and corresponds to the first notch 15 and exposes the outer side of the transmission gear 21, the transmission notch 13 is formed between the first notch 15 and the second notch 16, the first plug-in groove 41 is formed between the motor box end plate 14 and the plug-in protrusion 44, and the second plug-in groove 43 is formed between the two sides of the plug-in plate 42 and the end face of the transmission box 11.

[0031] Further, the plug-in limiting assembly 5 comprises a limiting portion 51 arranged at the bottom of the first plug-in groove 41 and bent from the side of the plug-in protrusion 44 towards the motor box end plate 14, and the limiting notch 52 is arranged on the lower end of the plug-in plate 42 and abuts against the limiting portion 51. The limiting portion 51 is used to ensure that the transmission box 11 is installed in place, and the limiting notch 52 can ensure that the transmission box 11 and the motor box 12 are connected flush.

[0032] In combination with Figure 2 , Figure 5 and Figure 6 , the plug-in guiding structure 6 comprises the first guiding assembly 61 arranged on the circumferential outer side of the upper end of the drive gear 22 and the second guiding assembly 62 arranged on the circumferential outer side of the lower end of the transmission gear 21.

[0033] The first guide assembly 61 comprises a first guide part 63 arranged on the upper end of each driving tooth 221 of the driving gear 22 and corresponding to the transmission tooth groove 211 of the transmission gear 21, the first guide part 63 is tapered and integrated with the driving tooth 221, and the width of the first guide part 63 gradually decreases from one end to the other end of the driving tooth 221.

[0034] Specifically, the second guide assembly 62 comprises a second guide part 64 arranged on the lower end of each transmission tooth 212 of the transmission gear 21 and corresponding to the driving tooth groove 222 of the driving gear 22, the second guide part 64 is tapered and integrated with the transmission tooth 212, and the width of the second guide part 64 gradually decreases from one end to the other end of the transmission tooth 212. When the transmission gear 21 and the driving gear 22 are engaged, the first guide part 63 and the second guide part 64 can avoid the jamming phenomenon, and when the first guide part 63 and the second guide part 64 are in contact, the transmission gear 21 and the driving gear 22 will appear a slight misalignment, so that the driving tooth 221 is inserted into the transmission tooth groove 211, and the transmission tooth 212 is inserted into the driving tooth groove 222, thereby improving the engagement efficiency of the transmission gear 21 and the driving gear 22.

[0035] The principle of the embodiment is that:

[0036] The insertion plate 42 of the transmission box body 11 is connected with the first insertion groove 41 of the motor box body 12, the insertion protrusion 44 of the motor box body 12 is connected with the second insertion groove 43 of the transmission box body 11, when the transmission box body 11 and the motor box body 12 are connected, the transmission gear 21 starts to engage with the driving gear 22, the second guide part 64 of the transmission gear 21 is in contact with the first guide part 63 of the driving gear 22, which can avoid the jamming phenomenon of the driving tooth 221 of the transmission gear 21 and the transmission tooth 212 of the driving gear 22, thereby enabling the transmission gear 21 and the driving gear 22 to engage smoothly.

[0037] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

[0038] Although the terms of box 1, transmission box 11, motor box 12, transmission gap 13, motor box end plate 14, first gap 15, second gap 16, gear body 2, transmission gear 21, transmission gear slot 211, transmission gear tooth 212, drive gear 22, drive gear tooth 221, drive gear slot 222, plug-in fixing structure 3, vertical plug-in assembly 4, first plug-in slot 41, plug-in plate 42, second plug-in slot 43, plug-in protrusion 44, plug-in limiting assembly 5, limiting part 51, limiting gap 52, plug-in guide structure 6, first guide assembly 61, second guide assembly 62, first guide part 63, second guide part 64 are used more in this paper, but the possibility of using other terms is not excluded. The use of these terms is only to facilitate the description and explanation of the essence of the utility model; any additional limitation is contrary to the spirit of the utility model.

Claims

1. A motor case and transmission case connecting and gear assembly structure, comprising two axially adjacent arranged cases (1), gear bodies (2) are respectively arranged in the cases (1) and rotate, characterized in that, The two boxes (1) are provided with an insertion fixing structure (3) which enables one of the boxes (1) to be inserted into the other box (1) along the height direction so as to axially fix and connect the two boxes (1), and the gear bodies (2) in one of the two boxes (1) extend into the other box (1), and the gear bodies (2) in the two boxes (1) are provided with an insertion guide structure (6) which enables one of the gear bodies (2) to be inserted into the remaining gear body (2) along the thickness direction of the gear body (2) when the two boxes (1) are inserted into each other so as to enable the two gear bodies (2) to be engaged with each other.

2. A motor case and transmission case connecting and gear assembling structure according to claim 1, characterized in that, The one of the two boxes (1) is a transmission box (11) and the remaining one is a motor box (12), the gear body (2) in the transmission box (11) is a transmission gear (21) and the gear body (2) in the motor box (12) is a driving gear (22).

3. The motor case and transmission case connection and gear assembly structure according to claim 2, characterized in that, The transmission box (11) and the motor box (12) are provided with a transmission gap (13), and the transmission gear (21) extends into the motor box (12) from the circumferential outer side through the transmission gap (13).

4. The motor case and transmission case connection and gear assembly structure according to claim 3, characterized in that, The insertion fixing structure (3) comprises a vertical insertion assembly (4) arranged between the motor box (12) and the transmission box (11), and the motor box (12) and the transmission box (11) are further provided with an insertion limiting assembly (5) which enables the motor box (12) and the transmission box (11) to be flush on the same side.

5. A motor case and transmission case connection and gear assembly structure according to claim 4, characterized in that, The vertical insertion assembly (4) comprises a first insertion slot (41) arranged on the inner side of one end of the motor box (12) close to the transmission box (11) and arranged vertically, the transmission box (11) is provided with an insertion plate (42) on one end close to the motor box (12), the two sides of the insertion plate (42) are vertically slidably inserted into the first insertion slot (41), the transmission box (11) is provided with a second insertion slot (43) arranged vertically on each side of one end close to the motor box (12), and the motor box (12) is provided with an insertion protruding strip (44) on the inner side of one end close to the transmission box (11) on each side of the first insertion slot (41), and the insertion protruding strip (44) is vertically inserted into the second insertion slot (43).

6. A motor case and transmission case connection and gear assembly structure according to claim 5, characterized in that, The inner side of one end of the motor box (12) close to the transmission box (11) is provided with a motor box end plate (14), the upper end of the motor box end plate (14) is provided with a first gap (15), the upper end of the insertion plate (42) is provided with a second gap (16) corresponding to the first gap (15) and exposing the outer side of the transmission gear (21), the transmission gap (13) is formed between the first gap (15) and the second gap (16), the first insertion slot (41) is formed between the motor box end plate (14) and the insertion protruding strip (44), and the second insertion slot (43) is formed between the two sides of the insertion plate (42) and the end face of the transmission box (11).

7. A motor case and transmission case connection and gear assembly structure according to claim 5, characterized in that, The plug-in limiting assembly (5) comprises a limiting part (51) arranged at the bottom of the first plug-in slot (41) and bent from the plug-in convex strip (44) to the side of the motor box end plate (14).

8. The motor case and transmission case connection and gear assembly structure according to claim 2, characterized by, The plug-in guiding structure (6) comprises a first guiding assembly (61) arranged at the outer side of the upper end of the driving gear (22) and a second guiding assembly (62) arranged at the outer side of the lower end of the transmission gear (21).

9. A motor case and transmission case connection and gear assembly structure according to claim 8, characterized in that, The first guiding assembly (61) comprises a first guiding part (63) arranged at the upper end of each driving tooth (221) of the driving gear (22) and corresponding to the transmission tooth groove (211) of the transmission gear (21), the first guiding part (63) is tapered and integrated with the driving tooth (221), and the width of the first guiding part (63) gradually decreases from one end to the other end of the driving tooth (221).

10. The motor case and transmission case connection and gear assembly structure according to claim 8, characterized by, The second guiding assembly (62) comprises a second guiding part (64) arranged at the lower end of each transmission tooth (212) of the transmission gear (21) and corresponding to the driving tooth groove (222) of the driving gear (22), the second guiding part (64) is tapered and integrated with the transmission tooth (212), and the width of the second guiding part (64) gradually decreases from one end to the other end of the transmission tooth (212).