CN211082811U - Parking design structure for speed reducer and speed reducer - Google Patents
Parking design structure for speed reducer and speed reducer Download PDFInfo
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- CN211082811U CN211082811U CN201921702397.3U CN201921702397U CN211082811U CN 211082811 U CN211082811 U CN 211082811U CN 201921702397 U CN201921702397 U CN 201921702397U CN 211082811 U CN211082811 U CN 211082811U
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Abstract
A parking design structure and reduction gear for reduction gear, the parking design structure includes: a first housing, a side wall of the first housing having a first opening; a second housing contiguous with said first housing, said second housing having a sidewall with a second opening, said second opening aligned with said first opening; a cam assembly adapted for rotational movement, said cam assembly being disposed within said second housing; the cam component pushes the pawl to swing, and the pawl is arranged in the first shell or the second shell; the pawl swings to be meshed with or separated from the ratchet wheel, and the ratchet wheel is arranged in the first shell. The parking design structure is easy to disassemble and maintain, and the cost can be saved.
Description
The present application claims priority of chinese patent application having application number 2019213431668 entitled "parking design structure for a retarder and retarder" filed by chinese patent office on 19/8/2019, the entire contents of which are incorporated herein by reference.
Technical Field
The utility model relates to an automobile manufacturing technical field especially relates to a parking project organization and reduction gear for reduction gear.
Background
The parking design mechanism on the speed reducer is used for locking the axle so that the automobile is static on the road surface and can be stably parked on the road surface for a long time. The parking design mechanism can ensure that the conditions of slippage, slope sliding and the like can not occur after parking.
As a common safety device, the parking design mechanism is widely applied to the fields of traditional fuel automobiles, hybrid automobiles, new energy automobiles and the like.
However, existing parking design mechanisms remain to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem provide a parking project organization and reduction gear for reduction gear, disassemble the maintenance easily, and be favorable to reduction in production cost.
In order to solve the above problem, the utility model provides a parking project organization for reduction gear, include: a first housing, a side wall of the first housing having a first opening; a second housing contiguous with said first housing, said second housing having a sidewall with a second opening, said second opening aligned with said first opening; a cam assembly adapted for rotational movement, said cam assembly being disposed within said second housing; the cam component pushes the pawl to swing, and the pawl is arranged in the first shell or the second shell; the pawl swings to be meshed with or separated from the ratchet wheel, and the ratchet wheel is arranged in the first shell.
Optionally, the cam assembly includes a parking gear selection shaft and a parking cam, the parking cam is sleeved on the parking gear selection shaft, the parking gear selection shaft is rotatable, and the parking cam can rotate relative to the parking gear selection shaft.
Optionally, the first opening exposes a side wall of the parking cam when the pawl is disposed in the first housing.
Optionally, a protrusion is disposed at one end of the pawl for swinging.
Optionally, when the pawl is disposed in the second housing, the first opening exposes the protruding member.
Optionally, the first housing is detachably connected to the second housing.
Optionally, the first housing includes a first housing top cover and a first housing bottom cover, the first housing top cover and the first housing bottom cover enclose an inner cavity of the first housing, and the first housing top cover is detachably connected to the first housing bottom cover.
Optionally, the first opening is located on a side wall of the first housing top cover or a side wall of the first housing bottom cover.
Optionally, the second housing includes a second housing top cover and a second housing bottom cover, the second housing top cover and the second housing bottom cover enclose an inner cavity of the second housing, and the second housing top cover is detachably connected to the second housing bottom cover.
Optionally, the second opening is located on a side wall of the second housing top cover or a side wall of the second housing bottom cover.
Optionally, the parking design structure further includes: the ratchet wheel is sleeved on the fixed shaft and is suitable for rotating relative to the fixed shaft.
Optionally, the side wall of the first housing is parallel to the fixed shaft, and the side wall of the first housing includes: the first end face is opposite to the second end face, the first sub side wall and the second sub side wall are respectively located on two sides of the first end face, the first sub side wall is connected with the first end face and the second end face, and the second sub side wall is connected with the first end face and the second end face.
Optionally, a projection of the first end surface on a plane perpendicular to the fixed shaft is arc-shaped, a projection of the second end surface on a plane perpendicular to the fixed shaft is linear, a projection of the first side sub-sidewall on a plane perpendicular to the fixed shaft is linear, and a projection of the second side sub-sidewall on a plane perpendicular to the fixed shaft is linear.
Optionally, from the first end face to the second end face, the distance between the first sub-sidewall and the second sub-sidewall gradually decreases.
Optionally, the first opening is located on the second end face, the first sub-sidewall, or the second sub-sidewall.
Optionally, the parking design structure further includes: the reinforcing ribs are arranged at intervals and located on the side wall of the first shell, and the extending direction of the reinforcing ribs is parallel to the fixed shaft.
In order to solve the technical problem, the utility model also provides a speed reducer, including above parking project organization.
Compared with the prior art, the technical scheme of the utility model have following advantage:
the cam assembly is easy to damage in the using process and needs to be disassembled and maintained regularly. Because the cam module is arranged in the second shell, and the ratchet wheel is arranged in the first shell, when the cam module is maintained or replaced, only the second shell can be disassembled without disassembling the first shell, which is beneficial to improving the disassembling and maintaining efficiency. In addition, the parking design structure is designed to be a split structure, the first shell and the second shell are separated, so that the use mode of the die for manufacturing the first shell and the die for manufacturing the second shell can be flexibly adjusted according to the needs of customers, and cost saving is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of a parking design structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the first housing shown in FIG. 1;
FIG. 3 is a schematic view of the first housing shown in FIG. 2 with the first housing top cover removed;
FIG. 4 is a schematic structural view of the second housing shown in FIG. 1;
FIG. 5 is a schematic view of the second housing shown in FIG. 4 with the second housing top cover removed;
FIG. 6 is a schematic view of the parking design shown in FIG. 1 with the first and second housing covers removed;
fig. 7 is a schematic structural view of a first housing top cover of a parking design structure according to another embodiment of the present invention.
Detailed Description
The existing parking design structure is combined for analysis, the parking design structure comprises a cam assembly, a pawl, a ratchet wheel and a shell, the cam assembly, the pawl and the ratchet wheel are all arranged in the shell, the shell is of an integrated structure, and the cam assembly, the pawl and the ratchet wheel are shared by the shell.
The parking design structure is not easy to disassemble and maintain, and has high production cost, and the reason is that:
the cam assembly is easy to damage in the using process and needs to be disassembled and maintained regularly. In order to disassemble and maintain the cam assembly, the whole shell needs to be disassembled firstly, and the shell is large in size, so that the time consumption for disassembling the shell is long, and the difficulty for disassembling the shell is high. Furthermore, the mould of the shell is only suitable for making the shell, it is difficult to adjust the making of the shell to the different needs of the customer in time, for example: when the customer demands a housing containing only the ratchet, the mold needs to be redesigned, resulting in high production costs.
The inventor has studied the structure of above-mentioned parking project organization, through creative work, the utility model people notices, through inciting somebody to action parking project organization design is split type structure, can improve the convenience of disassembling the maintenance, and can practice thrift the cost.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
Referring to fig. 1, a parking design structure 100 for a decelerator, the parking design structure 100 comprising: a first housing 110 and a second housing 120. The second housing 120 is adjacent to the first housing 110.
The first housing 110 is detachably connected to the second housing 120. In this embodiment, the first housing 110 is screwed with the second housing 120. In other embodiments, the first housing and the second housing may be connected by a snap connection.
The first housing 110 has a first internal cavity. The second housing 120 has a second interior cavity. In this embodiment, the volume of the first lumen is greater than the volume of the second lumen.
As shown in fig. 2, the side wall of the first housing 110 has a first opening 101.
In this embodiment, the first opening 101 is rectangular. In other embodiments, the shape of the first opening may be circular, elliptical, regular polygonal or irregular.
As shown in fig. 2, in the present embodiment, the first housing 110 includes a first housing top cover 111 and a first housing bottom cover 112. The first housing top cover 111 and the first housing bottom cover 112 enclose an inner cavity of the first housing 110, i.e., enclose the first inner cavity.
The first housing top cover 111 is detachably connected to the first housing bottom cover 112. In this embodiment, the first casing top cover 111 is screwed with the first casing bottom cover 112. In other embodiments, the first housing top cover and the first housing bottom cover may be connected by a snap.
In this embodiment, the first opening 101 is located on a side wall of the first casing bottom cover 112, so as to facilitate the detachment of the first casing top cover 111. In other embodiments, the first opening may also be located on a side wall of the first housing top cover.
Referring to fig. 3, the parking design structure 100 further includes: a ratchet 400, wherein the ratchet 400 is disposed in the first housing 110.
In this embodiment, the parking design structure 100 further includes: the fixing shaft 410 is disposed on the first housing bottom cover 112, the ratchet 400 is sleeved on the fixing shaft 410, and the ratchet 400 is suitable for rotating relative to the fixing shaft 410.
The sidewall of the first housing 110 is parallel to the fixed shaft 410.
In this embodiment, the side wall of the first housing 110 includes: the first end face 131 is opposite to the second end face 132, the first sub side wall 133 and the second sub side wall 134 are respectively located at two sides of the first end face 131, the first sub side wall 133 is connected with the first end face 131 and the second end face 132, and the second sub side wall 134 is connected with the first end face 131 and the second end face 132.
In this embodiment, a projection of the first end surface 131 on a plane perpendicular to the fixed axis is arc-shaped, a projection of the second end surface 132 on a plane perpendicular to the fixed axis is linear, a projection of the first side sub-wall on a plane perpendicular to the fixed axis is linear, and a projection of the second side sub-wall on a plane perpendicular to the fixed axis is linear.
In this embodiment, the ratchet 400 is close to the second end surface 132. The distance of the ratchet 400 from the second end face 132 is greater than the distance of the ratchet 400 from the first end face 131.
In this embodiment, the distance between the first sub-sidewall 133 and the second sub-sidewall 134 gradually decreases from the first end surface 131 to the second end surface 132.
In this embodiment, the first opening 101 is located on the second end surface 132. In other embodiments, the first opening may be located on the first sub-sidewall 133 or the second sub-sidewall 134.
In this embodiment, the parking design structure 100 further includes: a plurality of ribs 140 arranged at intervals, wherein the ribs 140 are positioned on the side wall of the first housing 110, and the extending direction of the ribs 140 is parallel to the fixed shaft 410.
The reinforcing ribs 140 help to increase the strength of the first housing 110, thereby improving the load-bearing performance of the first housing 110.
As shown in fig. 4, the sidewall of the second housing 120 has a second opening 102, and the second opening 102 is aligned with the first opening 101, so that the first inner cavity is communicated with the second inner cavity.
The shape of the second opening 102 is the same as the shape of the first opening 101. In this embodiment, the second opening 102 is rectangular. In other embodiments, the shape of the second opening may be circular, elliptical, regular polygonal or irregular.
As shown in fig. 4, the second housing 120 includes a second housing top cover 121 and a second housing bottom cover 122. The second housing top cover 121 and the second housing bottom cover 122 enclose an inner cavity of the second housing 120, i.e., enclose the second inner cavity.
The second housing top cover 121 is detachably connected to the second housing bottom cover 122. In this embodiment, the second casing top cover 121 is screwed with the second casing bottom cover 122. In other embodiments, the second housing top cover and the second housing bottom cover may be connected by a snap.
In this embodiment, the second opening 102 is located on the second housing bottom cover 122, so as to facilitate the detachment of the second housing top cover 121. In other embodiments, the second opening may also be located on the second housing top cover.
Referring to fig. 5 and 6, the parking design structure 100 further includes: a cam module 200 and a pawl 300, wherein the cam module 200 is disposed in the second housing 120 (see fig. 4).
In this embodiment, the pawl 300 is disposed in the second housing 120.
As shown in FIG. 5, the cam module 200 is adapted for rotational movement.
In this embodiment, the cam assembly 200 includes a parking gear selecting shaft 210 and a parking cam 220, and the parking cam 220 is sleeved on the parking gear selecting shaft 210. The parking selector shaft 210 is rotatable, and the parking cam 220 is rotatable with respect to the parking selector shaft 210.
In this embodiment, the parking gear selecting shaft 210 is disposed on the second housing bottom cover 122.
As shown in fig. 4, the second housing top cover 121 has a first through hole, and the top end of the parking gear shaft 210 passes through the first through hole, so that the top end of the parking gear shaft 210 is exposed out of the second housing 120.
As shown in fig. 5, in the present embodiment, the parking cam 220 includes a wing plate 221 and a connection ring body 222, the wing plate 221 is fixedly disposed on an outer wall of the connection ring body 222, and the connection ring body 222 is sleeved on the parking gear selection shaft 210.
In this embodiment, the wing plates 221 are fan-shaped. The outer wall of the wing panel 221 includes a first sub outer wall 231 and a second sub outer wall 232 connected to each other. The first sub outer wall 231 and the second sub outer wall 232 are both arc-shaped. The second sub outer wall 232 is located farther from the central axis of the connection ring body 222 than the first sub outer wall 231.
The cam module 200 rotates to drive the pawl 300 to oscillate.
In this embodiment, the parking design structure 100 further includes: and a swinging shaft 310, one end of the pawl 300 is sleeved on the swinging shaft 310, and the other end of the pawl 300 swings around the swinging shaft 310.
As shown in fig. 4, the second housing top cover 121 has a second through hole, and the top end of the swing shaft 310 passes through the second through hole, so that the top end of the swing shaft 310 is exposed out of the second housing 120.
As shown in fig. 5, the pawl 300 is elongated. The pawl 300 has two opposite ends, a first sub-end 301 and a second sub-end 302. The first sub-end 301 and the second sub-end 302 are both arc-shaped. The curvature of the first sub-end 301 is greater than the curvature of the second sub-end 302.
In this embodiment, the second sub-end portion 302 is sleeved on the swing shaft 310. The first sub outer wall 231 and the second sub outer wall 232 of the wing panel 221 push the first sub end portion 301, so that the first sub end portion 301 swings.
In this embodiment, the swing shaft 310 is disposed on the second case bottom cover 122.
As shown in fig. 4 and 5, in this embodiment, a protrusion 320 is disposed at one end of the pawl 300 for swinging, that is, the protrusion 320 is disposed at the first sub-end 301. The protrusion 320 protrudes toward the second opening 102, and the second opening 102 is aligned with the first opening 101 (refer to fig. 2), so that the protrusion 320 protrudes into the first housing 110 through the second opening 102 and the first opening 101, and the first opening 101 exposes the protrusion 320.
Referring to fig. 6, the pawl 300 swings to engage with or disengage from the ratchet 400.
In this embodiment, the ratchet 400 has a circular ring shape, and the outer wall of the ratchet 400 has a plurality of teeth grooves 420. The protrusion 320 is engaged with or disengaged from the teeth groove 420. When the protrusion 320 is engaged with the tooth groove 420, a locking function is performed. Unlocking is achieved when the protrusion 320 is separated from the tooth groove 420.
Referring to fig. 7, in other embodiments, the detent 300 may also be provided in the first housing 110.
When the pawl 300 is disposed in the first housing 110, the first opening 101 exposes a sidewall of the parking cam 220. Specifically, the first sub outer wall 231 (see fig. 5) and the second sub outer wall 232 (see fig. 5) of the wing 221 (see fig. 5) pass through the second opening 102 (see fig. 4) and the first opening 101 (see fig. 2), and then extend into the first housing 110 and contact the pawl 300.
The utility model also provides a speed reducer, including above parking project organization 100.
In summary, since the cam module 200 is easily damaged during the use process, the parking design structure 100 requires the user or the professional to disassemble and maintain the cam module 200 periodically during the use process. Because the cam module 200 and the ratchet 400 are respectively disposed in different housings, specifically, the cam module is disposed in the second housing 120, and the ratchet 400 is disposed in the first housing 110, when the cam module 200 is maintained or replaced, only the second housing 120 is disassembled, and the first housing 110 does not need to be disassembled, which is helpful for improving the disassembly and maintenance efficiency.
In addition, the first shell 110 and the second shell 120 are separated from each other, so that the use mode of the mold for manufacturing the first shell 110 and the mold for manufacturing the second shell 120 can be flexibly adjusted according to the needs of customers, and cost saving is facilitated.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (17)
1. A parking design structure for a speed reducer, characterized by comprising:
a first housing, a side wall of the first housing having a first opening;
a second housing contiguous with said first housing, said second housing having a sidewall with a second opening, said second opening aligned with said first opening;
a cam assembly adapted for rotational movement, said cam assembly being disposed within said second housing;
the cam component pushes the pawl to swing, and the pawl is arranged in the first shell or the second shell;
the pawl swings to be meshed with or separated from the ratchet wheel, and the ratchet wheel is arranged in the first shell.
2. The park design structure of claim 1, wherein the cam assembly includes a park select shaft and a park cam, the park cam is sleeved on the park select shaft, the park select shaft is rotatable, and the park cam is rotatable relative to the park select shaft.
3. The park design structure of claim 2, wherein the first opening exposes a side wall of the park cam when the pawl is disposed in the first housing.
4. The parking design structure as claimed in claim 1, wherein one end of the pawl for swinging is provided with a protrusion.
5. The park design structure of claim 4, wherein the first opening exposes the boss when the pawl is disposed in the second housing.
6. The parking design structure of claim 1, wherein the first housing is detachably connected to the second housing.
7. The parking design structure of claim 1, wherein the first housing comprises a first housing top cover and a first housing bottom cover, the first housing top cover and the first housing bottom cover enclose an inner cavity of the first housing, and the first housing top cover and the first housing bottom cover are detachably connected.
8. The parking design structure of claim 7, wherein the first opening is located on a side wall of the first housing top cover or a side wall of the first housing bottom cover.
9. The parking design structure of claim 1, wherein the second housing comprises a second housing top cover and a second housing bottom cover, the second housing top cover and the second housing bottom cover enclose an inner cavity of the second housing, and the second housing top cover and the second housing bottom cover are detachably connected.
10. The parking design structure of claim 9, wherein the second opening is located on a side wall of the second housing top cover or a side wall of the second housing bottom cover.
11. The parking design structure according to claim 1, further comprising: the ratchet wheel is sleeved on the fixed shaft and is suitable for rotating relative to the fixed shaft.
12. The parking design structure of claim 11, wherein the side wall of the first housing is parallel to the fixed shaft, the side wall of the first housing comprising: the first end face is opposite to the second end face, the first sub side wall and the second sub side wall are respectively located on two sides of the first end face, the first sub side wall is connected with the first end face and the second end face, and the second sub side wall is connected with the first end face and the second end face.
13. The parking design structure according to claim 12, wherein a projection of the first end surface on a plane perpendicular to the fixed shaft is arc-shaped, a projection of the second end surface on a plane perpendicular to the fixed shaft is linear, a projection of the first side sub-sidewall on a plane perpendicular to the fixed shaft is linear, and a projection of the second side sub-sidewall on a plane perpendicular to the fixed shaft is linear.
14. The parking design structure of claim 13, wherein a spacing between the first sub-sidewall and the second sub-sidewall is gradually decreased from the first end face to the second end face.
15. The park design structure of claim 13, wherein the first opening is located on the second end face, the first sub-sidewall, or the second sub-sidewall.
16. The parking design structure as recited in claim 12, further comprising: the reinforcing ribs are arranged at intervals and located on the side wall of the first shell, and the extending direction of the reinforcing ribs is parallel to the fixed shaft.
17. A decelerator including the parking design structure of any one of claims 1 to 16.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019213431668 | 2019-08-19 | ||
| CN201921343166 | 2019-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211082811U true CN211082811U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921702397.3U Active CN211082811U (en) | 2019-08-19 | 2019-10-12 | Parking design structure for speed reducer and speed reducer |
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| Country | Link |
|---|---|
| CN (1) | CN211082811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049930A (en) * | 2020-09-10 | 2020-12-08 | 上海崇林汽车电子有限公司 | Lightweight electric automobile parking module |
-
2019
- 2019-10-12 CN CN201921702397.3U patent/CN211082811U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049930A (en) * | 2020-09-10 | 2020-12-08 | 上海崇林汽车电子有限公司 | Lightweight electric automobile parking module |
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Effective date of registration: 20230902 Address after: Room 3264, Floor 3, No. 118, Sheng'an Road, Xiasha Street, Qiantang District, Hangzhou City, Zhejiang Province, 310000 (self declaration) Patentee after: Hangzhou Qianneng Intelligent Technology Co.,Ltd. Address before: 201800 J, building 2, 988 Jingtang Road, Jiading District, Shanghai Patentee before: Kuidi Intelligent Technology (Shanghai) Co.,Ltd. |
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