CN211501569U - Reduction gear box structure with plastic shell - Google Patents
Reduction gear box structure with plastic shell Download PDFInfo
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- CN211501569U CN211501569U CN201922221194.9U CN201922221194U CN211501569U CN 211501569 U CN211501569 U CN 211501569U CN 201922221194 U CN201922221194 U CN 201922221194U CN 211501569 U CN211501569 U CN 211501569U
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Abstract
The utility model discloses a plastic casing reduction gear box structure, which comprises a casing plate, a bottom plate cover and an output shaft, wherein the casing plate is provided with a large shaft sleeve, the periphery of the casing plate is provided with a baffle for installing a gear box, and the casing plate, the large shaft sleeve and the baffle are of an integrated injection molding structure; the bottom end of the bottom plate cover is provided with a small shaft sleeve, and the bottom plate cover and the small shaft sleeve are of an integral injection molding structure; the output shaft is fixedly installed through the large shaft sleeve and the small shaft sleeve and receives power transmission of the motor through the gear set; the cover shell plate and the bottom plate cover are made of plastic materials, the cover shell plate is arranged at the top end of the bottom plate cover, and the cover shell plate and the bottom plate cover are fixedly connected in a welding mode. The utility model can reduce the reject ratio of products and labor cost; and through ultrasonic bonding's fixed mode, can promote production efficiency, the condition of flash can not take place moreover.
Description
Technical Field
The utility model relates to a plastic casing reduction gear structure belongs to the reduction gear field.
Background
The existing micro gear box is mostly a metal shell and is provided with a large shaft sleeve, a small shaft sleeve, a mounting plate, a matched metal output shaft and a screw locking structure in a press fit mode. The specific matching mode is that the housing plate is in press fit with the large shaft sleeve, the housing plate is in press fit with the baffle plate, and the bottom plate cover is in press fit with the small shaft sleeve. The structure and the assembly mode have high requirements on the size of a part and the riveting verticality, are difficult to control and easily cause poor noise of a product; the cover shell plate and the mounting plate, and the cover shell plate and the bottom plate cover are locked through screws, so that the efficiency is influenced, and the labor cost is increased; the output shaft is made of metal materials, noise is easy to generate by matching with the shaft sleeve, and the material and processing cost are high.
Disclosure of Invention
An object of the utility model is to provide a plastic casing reduction gear box structure to overcome the defect that prior art exists.
In order to achieve the purpose, the utility model adopts the technical proposal that: the utility model provides a plastic casing reduction gear box structure, includes cover shell plate, bottom plate cover and output shaft, be equipped with big axle sleeve on the cover shell plate, and cover shell plate and big axle sleeve formula structure as an organic whole, the bottom of bottom plate cover is equipped with little axle sleeve, and bottom plate cover and little axle sleeve formula structure as an organic whole, the output shaft carries out fixed mounting through big axle sleeve and little axle sleeve to receive the power transmission of motor through the gear train, cover shell plate, bottom plate cover all adopt the plastics material, and the cover shell plate sets up in the top of bottom plate cover, and both carry out fixed connection through the welded form.
Furthermore, a welding groove is formed in the periphery of the lower portion of the cover shell plate, an upward protruding welding rib is arranged at the top end of the bottom plate cover, and the welding rib is connected into the welding groove in a welding mode.
Furthermore, the welding groove and the welding rib are connected in an ultrasonic welding mode.
Furthermore, the welding groove is an annular groove arranged on the periphery below the cover shell plate.
Furthermore, the periphery of the housing plate is provided with a baffle plate for mounting the gear box, and the housing plate, the large shaft sleeve and the baffle plate are of an integrated injection molding structure.
Furthermore, the bottom of the housing plate is provided with a positioning groove, the bottom plate cover is internally provided with a positioning rib, and the housing plate and the bottom plate cover form axial positioning through the matching of the positioning groove and the positioning rib.
Furthermore, the number of the positioning grooves is three, namely a positioning groove A, a positioning groove B and a positioning groove C; the positioning ribs are arranged in three, namely a positioning rib A, a positioning rib B and a positioning rib C.
The utility model has the advantages that: the structure adopts the integrated structure of the bottom plate cover, the large shaft sleeve and the baffle plate, and the integrated structure of the cover shell plate and the small shaft sleeve can reduce the reject ratio (noise) of products and labor cost; because the bottom plate cover and the housing plate adopt plastic (PP, POM, PA and the like) structures and an ultrasonic welding fixing mode, the production efficiency can be improved, and the production cost can be reduced.
In addition, set up the welding groove to the welding groove passes through ultrasonic bonding's form with the welding muscle, can ensure like this that the condition of flash can not take place among the welding process, phenomenon such as deckle edge can not appear in the junction.
Drawings
Fig. 1 is a sectional structure view of the present invention.
Fig. 2 is a bottom view of the cover plate of the present invention.
Fig. 3 is a top view of the floor cover of the present invention.
Fig. 4 is a plan view of the floor cover of the present invention.
Fig. 5 is an exploded view of the present invention assembled with an electric motor.
Labeled as: the motor comprises a shell plate 1, a large shaft sleeve 1-1, a welding groove 1-2, a positioning groove A1-3, a positioning groove B1-4, a positioning groove C1-5, a baffle plate 1-6, a bottom plate cover 2, a small shaft sleeve 2-1, a welding rib 2-2, a positioning rib A2-3, a positioning rib B2-4, a positioning rib C2-5, an output shaft 3, a 4-gear set and a 5-motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 3, a reduction gear box structure with a plastic shell comprises a shell plate 1, a bottom plate cover 2 and an output shaft 3, wherein a large shaft sleeve 1-1 is arranged on the shell plate 1, baffles 1-6 for mounting the gear box are arranged on the periphery of the shell plate 1, and the shell plate 1, the large shaft sleeve 1-1 and the baffles 1-6 are of an integrated injection molding structure; the bottom end of the bottom plate cover 2 is provided with a small shaft sleeve 2-1, and the bottom plate cover 2 and the small shaft sleeve 2-1 are of an integrated injection molding structure; the output shaft 3 is fixedly installed through a large shaft sleeve 1-1 and a small shaft sleeve 2-1 and receives power transmission of a motor through a gear set 4; the cover casing plate 1 and the bottom plate cover 2 are made of plastic materials, the cover casing plate 1 is arranged at the top end of the bottom plate cover 2, and the cover casing plate 1 and the bottom plate cover are fixedly connected in a welding mode.
As shown in fig. 4, welding grooves 1-2 are formed around the lower part of the housing plate 1, and the welding grooves 1-2 are circular grooves formed around the lower part of the housing plate 1; the top end of the bottom plate cover 1 is provided with an upward convex welding rib 2-2, the section of the welding rib 2-1 is triangular, and the welding groove 1-2 is connected with the welding rib 2-1 in an ultrasonic welding mode. The arrangement of the welding grooves 1-2 can prevent the occurrence of flash in the welding process.
In addition, for convenient assembly, the bottom of the cover shell plate 1 is provided with a positioning groove, a positioning rib is arranged in the bottom plate cover 2, and the cover shell plate and the bottom plate cover form axial positioning through the matching of the positioning groove and the positioning rib. Wherein, the number of the positioning grooves is three, namely a positioning groove A1-3, a positioning groove B1-4 and a positioning groove C1-5; the number of the positioning ribs is three, namely a positioning rib A2-3, a positioning rib B2-4 and a positioning rib C2-5.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution modes and the like fall within the scope of the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (7)
1. The utility model provides a plastic casing reduction gear box structure, includes cover shell plate, bottom plate cover and output shaft, its characterized in that, be equipped with big axle sleeve on the cover shell plate, and cover shell plate and big axle sleeve formula structure as an organic whole, the bottom of bottom plate cover is equipped with little axle sleeve, and bottom plate cover and little axle sleeve formula structure as an organic whole, the output shaft carries out fixed mounting through big axle sleeve and little axle sleeve to receive the power transmission of motor through the gear train, cover shell plate, bottom plate cover all adopt the plastics material, and the cover shell plate sets up in the top of bottom plate cover, and both carry out fixed connection through the welded form.
2. The reduction gearbox structure with plastic shell as claimed in claim 1, wherein a welding groove is formed around the lower part of the shell plate, and an upward protruding welding rib is formed at the top end of the bottom plate cover and is connected in the welding groove in a welding mode.
3. The reduction gear box structure with plastic casing according to claim 2, wherein the welding grooves and the welding ribs are connected by ultrasonic welding.
4. The reduction gearbox structure with plastic shell as claimed in claim 2 or 3, wherein the welding groove is a circular groove arranged around the lower part of the shroud plate.
5. The reduction gearbox structure with plastic shell as claimed in claim 1, wherein the periphery of the cover plate is provided with a baffle plate for mounting the gearbox, and the cover plate, the large shaft sleeve and the baffle plate are in an integrated injection molding structure.
6. The reduction gearbox structure with plastic casing as claimed in claim 1, wherein the bottom of the casing plate is provided with positioning grooves, the bottom plate casing is provided with positioning ribs, and the casing plate and the bottom plate casing are axially positioned by the cooperation of the positioning grooves and the positioning ribs.
7. The reduction gearbox structure with plastic shell as claimed in claim 6, wherein there are three positioning grooves, namely positioning groove A, positioning groove B and positioning groove C; the positioning ribs are arranged in three, namely a positioning rib A, a positioning rib B and a positioning rib C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922221194.9U CN211501569U (en) | 2019-12-12 | 2019-12-12 | Reduction gear box structure with plastic shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922221194.9U CN211501569U (en) | 2019-12-12 | 2019-12-12 | Reduction gear box structure with plastic shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211501569U true CN211501569U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922221194.9U Active CN211501569U (en) | 2019-12-12 | 2019-12-12 | Reduction gear box structure with plastic shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211501569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112404761A (en) * | 2020-10-23 | 2021-02-26 | 沃得精机(中国)有限公司 | Tailor welding method for upper cross beam of press machine |
-
2019
- 2019-12-12 CN CN201922221194.9U patent/CN211501569U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112404761A (en) * | 2020-10-23 | 2021-02-26 | 沃得精机(中国)有限公司 | Tailor welding method for upper cross beam of press machine |
| CN112404761B (en) * | 2020-10-23 | 2021-12-03 | 沃得精机(中国)有限公司 | Tailor welding method for upper cross beam of press machine |
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