CN202032067U - Speed reducer housing - Google Patents
Speed reducer housing Download PDFInfo
- Publication number
- CN202032067U CN202032067U CN2011200958614U CN201120095861U CN202032067U CN 202032067 U CN202032067 U CN 202032067U CN 2011200958614 U CN2011200958614 U CN 2011200958614U CN 201120095861 U CN201120095861 U CN 201120095861U CN 202032067 U CN202032067 U CN 202032067U
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- CN
- China
- Prior art keywords
- lower cover
- cylindrical protrusion
- cylindrical
- loam cake
- speed reducer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a speed reducer housing. Mainly aiming at the defects that the existing speed reducer housing has a heavy shape, a large size and large mass, the utility model provides the aluminium speed reducer housing, which can reduce the excessive design so as to lighten the mass and reduce the size. The speed reducer housing specifically adopts the technical scheme that the speed reducer housing is arranged at the periphery of a worm gear and a worm rod assembly; the speed reducer housing comprises an upper cover positioned at the front surface of the worm gear, and a lower cover positioned at back surface of the worm gear, and after the upper cover and the lower cover are connected, the interior forms a hollow cavity for placing a worm gear assembly; and the speed reducer housing is characterized in that cylindrical protruded parts are arranged at the outer surfaces of the circular disc parts of the upper cover and the lower cover, a reinforcing rib is arranged around the side surface of each cylindrical protruded part, each cylindrical protruded part is internally provided with a hollow cavity, a slope transits between the circular discs of the upper cover and the lower cover and the top surface or the bottom surface of the cylindrical protruded part, the same sides of the upper cover and the lower cover are respectively provided with a semi-cylindrical housing which is vertical to the protruded part, and a cylindrical hollow cavity is internally formed after the two semi-cylindrical housings are symmetrically connected.
Description
Technical field
The utility model relates to a kind of retarder shell, has especially a kind ofly subdued superfluous design, thus light weight, aluminium matter retarder shell that volume is little.
Background technique
Retarder plays coupling rotating speed and transmitting torque between prime mover and working machine or actuator, use very extensive in modern mechanical.Far change for assurance retarder safety, the retarder shell plays crucial effects.On the one hand, shell has stopped in the external environment that foreign matter such as dust enters internal body, influences normal far away commentaries on classics of retarder; On the other hand, shell plays a part to support body.Existing retarder shell ubiquity volume is big, the problem that quality is heavy, give body installation, transport, go along with sb. to guard him and cause puzzlement.
Summary of the invention
The utility model is primarily aimed at existing retarder shell body heaviness, and the shortcoming that volume is big, quality is big provides a kind of stiffening rib that utilizes to improve intensity, has alleviated weight, the retarder shell of aluminium matter thereby cut down superfluous design, simplified structure simultaneously.
Above-mentioned technical problem of the present utility model is implemented by the following technical programs: a kind of retarder shell, be arranged on worm gear, around the worm component, comprise loam cake that is positioned at the worm gear front and the lower cover that is positioned at the worm gear back side, on, lower cover interconnects the cavity that inside, back is configured for placing the worm and gear assembly, it is characterized in that, on the outer surface of the disc face part of described lower cover cylindrical protrusion is arranged, side around this cylindrical protrusion is provided with stiffening rib, this cylindrical protrusion inside is cavity, between the disc face of described lower cover and the bottom surface of cylindrical protrusion by the plane of inclination transition;
On the outer surface of the disc face part of described loam cake cylindrical protrusion is arranged, side around this cylindrical protrusion is provided with stiffening rib, the inside of this cylindrical protrusion is cavity, and the end face of cylindrical protrusion is through hole, between the disc face of described loam cake and the end face of cylindrical protrusion by the plane of inclination transition;
The same side of described loam cake, lower cover be respectively arranged with vertical with described cylindrical protrusion towards the semicolumn housing, described two semicolumn housings are symmetrical, interconnect the inner cylindrical cavity that forms in back.
As preferably, described loam cake, lower cover are fastenedly connected by bolt, nut, and the tie point of loam cake and lower cover is positioned on the described worm gear bisector radially, is positioned at the outside of the described worm gear gear teeth simultaneously; The height of described lower cover is less than the height of loam cake; The ear end face of described worm screw is pressed close in the bottom surface of the cylindrical protrusion of lower cover.
Owing to set up stiffening rib, thereby can be issued to the requirement of reduction upper and lower cover height in the condition that does not influence outer cover intensity, especially the height of lower cover is reduced to originally 60%, saves solid space 40%, and corresponding, the weight of shell is also alleviated.
As preferably, preceding half section through hole from the cylindrical protrusion top of described loam cake of described worm screw passes.
As preferably, flexibly connect by bearing between described upper and lower cover and the worm screw.
As preferably, place the output worm screw in the described cylindrical cavity, play a part to support output screw and protection output screw.
Because aluminium lightweight, rigidity are strong, characteristic such as the housing that manufactures has all that thickness is little, delicate structure, bearing capacity are strong, the shell that provides among the design and its inner component joint of placing are tight, are satisfying under the prerequisite of flexible motion, have reached the effect of compact structure.
As preferably, flexibly connect by tapered roller bearing between described semicolumn housing and the output worm screw.The friction factor of rolling bearing is littler than sliding bearing, the transmission efficiency height, and heating value is few, can reduce the consumption of lubricant oil, and lubricated maintenance is comparatively saved trouble; Roller bearing has higher mechanical properties and long working life.
As preferably, in the described tapered roller bearing, near the arranged outside sealing cover of the tapered roller bearing of output shaft socket end portion, effect is to prevent oil leak; The tapered roller bearing arranged outside outside framework oil seal of the other end in order to prevent oil leak, dustproof, satisfies the motive sealing requirement.
In sum, the utility model is compared with prior art and is had following advantage.
The utility model adopts aluminium as manufactured materials, makes full use of aluminium lightweight, high-intensity characteristic, cuts down superfluous design, sets up stiffening rib, has reached the effect that alleviates quality, reduced volume, simplified structure, raising intensity.
The utility model can change the shape of housing according to the size of retarder, installation form, and can enough reach between retarder shell and the internal component and fit tightly, and avoids it innerly to produce too much space.
Description of drawings
Fig. 1 is the utility model and perspective view after the worm and gear assembly is connected.
Fig. 2 be the utility model be connected with worm and gear partly cut open figure.
To be the utility model be connected with the output worm screw Fig. 3 partly cuts open figure.
Fig. 4 is the outer surface perspective view of the utility model lower cover.
Fig. 5 is the inside perspective view of the utility model lower cover.
Fig. 6 is the outer surface perspective view of loam cake of the present utility model.
Fig. 7 is the inside perspective view of loam cake of the present utility model.
Number in the figure is: 1, worm gear; 2, worm screw; 3, loam cake; 4, lower cover; 8, the gear teeth; 9, stiffening rib; 10, through hole; 12, bearing; 13, output worm screw; 15, tapered roller bearing; 16, outside framework oil seal; 17, sealing cover; 21, disc face; 22, plane of inclination; 23, cylindrical protrusion; 24, the bottom surface of cylindrical protrusion; 25, semicolumn housing; 26, cylindrical cavity.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Embodiment 1.
As shown in Figure 1, this retarder shell, be arranged on worm gear 1, worm screw 2 assemblies around, comprise the loam cake 3 that is positioned at worm gear 1 front and be positioned at the lower cover 4 at worm gear 1 back side that upper and lower cover interconnects the cavity that inside, back is configured for placing the worm and gear assembly.
Shown in Fig. 4,5, on the outer surface of disc face 21 parts of described lower cover 4 cylindrical protrusion 23 is arranged, around the side of this cylindrical protrusion 23 stiffening rib 9 is set, these cylindrical protrusion 23 inside are cavity, between the disc face 21 of described lower cover 4 and the bottom surface 24 of cylindrical protrusion by plane of inclination 22 transition.
On the outer surface of the disc face of loam cake part cylindrical protrusion 23 is arranged as described in shown in Fig. 6,7, side around this cylindrical protrusion 23 is provided with stiffening rib 9, the inside of this cylindrical protrusion 23 is cavity, and the end face of cylindrical protrusion is a through hole 10, between the disc face 21 of described loam cake 3 and the end face of cylindrical protrusion by plane of inclination 22 transition.
The same side of described loam cake 3, lower cover 4 be respectively arranged with vertical with described cylindrical protrusion 23 towards semicolumn housing 25, described two semicolumn housings 25 are symmetrical, interconnect the inner cylindrical cavity 26 that forms in back, be used to place the output worm screw 13 perpendicular with above-mentioned worm screw 2; As shown in Figure 3, flexibly connect by tapered roller bearing 15 between described semicolumn housing 25 and the output worm screw 13, and the arranged outside sealing cover 17 of the tapered roller bearing of close output shaft socket end portion, the tapered roller bearing arranged outside outside framework oil seal 16 of the other end.
As shown in Figure 2, described loam cake 3, lower cover 4 are fastenedly connected between upper and lower cover and the worm screw 2 by bolt, nut and flexibly connect by bearing 12; Preceding half section through hole 10 from cylindrical protrusion 23 tops of loam cake 3 of described worm screw 2 passes.
As shown in Figure 2, described loam cake 3 is positioned on worm gear 1 bisector radially with the tie point of lower cover 4, and this tie point is positioned at the outside of the described worm gear gear teeth 8 simultaneously; The ear end face of described worm screw 2 is pressed close in the bottom surface 24 of the cylindrical protrusion of lower cover 4; The height of described lower cover 4 is less than the height of loam cake 2.
In the present embodiment, housing adopts the aluminium manufacturing, and aluminium has lightweight, characteristics that intensity is big.
In the present embodiment, the height of upper and lower cover descends with comparing originally all to some extent, and wherein the height of lower cover 4 is reduced to originally 60%, and upper and lower cover is become the height of the height of lower cover 4 less than loam cake 3 by original equal height; And inner structural design and worm and gear assembly are complementary, and avoid inner remaining too much space, reach the purpose of saving solid space, alleviating quality, compact structure.
The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (2)
1. retarder shell, be arranged on worm gear (1), around worm screw (2) assembly, comprise loam cake (3) that is positioned at the worm gear front and the lower cover (4) that is positioned at the worm gear back side, on, lower cover interconnects the cavity that inside, back is configured for placing the worm and gear assembly, it is characterized in that, on the outer surface of the disc face of described lower cover (21) part cylindrical protrusion (23) is arranged, side around this cylindrical protrusion is provided with stiffening rib (9), this cylindrical protrusion inside is cavity, between the disc face of described lower cover and the bottom surface of cylindrical protrusion (24) by plane of inclination (22) transition;
On the outer surface of the disc face part of described loam cake cylindrical protrusion is arranged, side around this cylindrical protrusion is provided with stiffening rib, the inside of this cylindrical protrusion is cavity, and the end face of cylindrical protrusion is through hole (10), between the disc face of described loam cake and the end face of cylindrical protrusion by the plane of inclination transition;
The same side of described loam cake, lower cover be respectively arranged with vertical with described cylindrical protrusion towards semicolumn housing (25), described two semicolumn housings are symmetrical, interconnect the inner cylindrical cavity (26) that forms in back.
2. retarder shell according to claim 1 is characterized in that, described loam cake, lower cover are fastenedly connected by bolt, nut, and the tie point of loam cake and lower cover is positioned on the described worm gear bisector radially, is positioned at the outside of the described worm gear gear teeth simultaneously; The height of described lower cover is less than the height of loam cake; The ear end face of described worm screw is pressed close in the bottom surface of the cylindrical protrusion of lower cover.
3. retarder shell according to claim 1 is characterized in that preceding half section through hole from the cylindrical protrusion top of described loam cake of described worm screw passes.
4. retarder shell according to claim 1, it is characterized in that, flexibly connect by bearing (12) between described upper and lower cover and the worm screw.
5. retarder shell according to claim 1, it is characterized in that, place output worm screw (13) in the described cylindrical cavity.
6. retarder shell according to claim 5, it is characterized in that, flexibly connect by tapered roller bearing (15) between described semicolumn housing and the output worm screw.
7. according to claim 1 or 5 or 6 described retarder shells, it is characterized in that, in the described tapered roller bearing, the arranged outside sealing cover (17) of the tapered roller bearing of close output shaft socket end portion, the tapered roller bearing arranged outside outside framework oil seal (16) of the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200958614U CN202032067U (en) | 2011-04-02 | 2011-04-02 | Speed reducer housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200958614U CN202032067U (en) | 2011-04-02 | 2011-04-02 | Speed reducer housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202032067U true CN202032067U (en) | 2011-11-09 |
Family
ID=44894364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200958614U Expired - Fee Related CN202032067U (en) | 2011-04-02 | 2011-04-02 | Speed reducer housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202032067U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104937313A (en) * | 2013-01-18 | 2015-09-23 | Ntn株式会社 | Electric linear actuator |
| CN105525987A (en) * | 2014-09-30 | 2016-04-27 | 虞小鸣 | Integral worm wheel shaft |
-
2011
- 2011-04-02 CN CN2011200958614U patent/CN202032067U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104937313A (en) * | 2013-01-18 | 2015-09-23 | Ntn株式会社 | Electric linear actuator |
| CN105525987A (en) * | 2014-09-30 | 2016-04-27 | 虞小鸣 | Integral worm wheel shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151110 Address after: 321000 building, No. 4, No. 911, Xi Xi Road, Qiu Xi Street, Wucheng District, Zhejiang, Jinhua, China 1 Patentee after: ZHEJIANG DAMING TRANSMISSION TECHNOLOGY CO., LTD. Address before: 321016 No. 911 cooked brook road, Jinhua City, Zhejiang Province Patentee before: Jinhua Daming Aluminum Products Factory |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 321000 1 floor, No. 4, No. 911, No. 4, road, Qiu bin street, Wucheng District, Zhejiang. Patentee after: Zhejiang Daming drive Polytron Technologies Inc Address before: 321000 1 floor, No. 4, No. 911, No. 4, road, Qiu bin street, Wucheng District, Zhejiang. Patentee before: ZHEJIANG DAMING TRANSMISSION TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20190402 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |