CN204961714U - Helical gear prefix worm gear speed reducer machine - Google Patents
Helical gear prefix worm gear speed reducer machine Download PDFInfo
- Publication number
- CN204961714U CN204961714U CN201520761004.1U CN201520761004U CN204961714U CN 204961714 U CN204961714 U CN 204961714U CN 201520761004 U CN201520761004 U CN 201520761004U CN 204961714 U CN204961714 U CN 204961714U
- Authority
- CN
- China
- Prior art keywords
- worm
- gear
- helical gear
- speed reducer
- prefix
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- 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 worm gear speed reducer machine especially relates to a helical gear prefix worm gear speed reducer machine. It mainly is that to solve speed reducer interface after the installation that prior art exists fixed, and the scope of using is single to the speed reducer is not because sealing performance is not high, and the dust is invaded easily, and it is comparatively difficult dispel the heat, and intensity is relatively poor, therefore the technical problem that lacks etc. Of its life. The utility model discloses a box (1), box (1) in be equipped with input shaft (2), input shaft has worm (3), the worm is connected with worm wheel (4), output shaft (5) is connected to the worm wheel, the outer end of worm wheel, worm is equipped with sealing member (6), the first helical gear of input shaft (7), first oblique gear connection second helical gear (8), the second helical gear is through transmission connect the motor shaft (9).
Description
Technical field
The utility model relates to a kind of worm-gear speed reducer, especially relates to a kind of helical gear prefix worm-gear speed reducer.
Background technique
At present, miniature gear speed reducer, the worm-gear speed reducer of being used widely, be subject to volume restriction, its speed ratio is less than normal, and its transmission direction is generally parallel input output and can not meets some existing large speed ratios mini-plant having again vertical-transmission direction to require that slows down and install and use.Chinese patent discloses a kind of double worm gear reducing mechanism (Authorization Notice No.: CN201250880Y), it comprises worm type of reduction gearing, be provided with two worm type of reduction gearings, worm screw on two worm type of reduction gearings is linked together by the coupling of axial rotation adjustable angle, realizes synchronization; Have at least the worm screw two ends of all to stretch out in himself reducer shell in two worm type of reduction gearings, the input shaft of one end as this reducing gear of coupling is not installed on this worm screw; Output shaft on each worm type of reduction gearing is connected to a small gear; With gearwheel engagement driving while of small gear, and using the transmission shaft at gearwheel place as the output shaft of this reducing gear; The two ends of the worm screw of two worm type of reduction gearings all stretch out in the housing of respective retarder itself, two worm type of reduction gearings and respectively connected small gear, there is identical specification respectively, the coupling of the axial rotation adjustable angle used is made up of two half-couplings, one of them half-coupling is uniformly distributed some screws, screw on another half-coupling described in correspondence is provided with the elongated hole of some arcs, is fastenedly connected between two half-couplings by screw.But this speed reducer after installation interface is fixed, the scope of application is single, and speed reducer due to sealability not high, dust easily invades, heat radiation comparatively difficulty, intensity is poor, and therefore its working life is shorter.
Model utility content
The utility model is to provide a kind of helical gear prefix worm-gear speed reducer, its mainly solve speed reducer existing for prior art after installation interface fix, the scope of application is single, and speed reducer due to sealability not high, dust easily invades, heat radiation comparatively difficulty, intensity is poor, therefore its working life shorter grade technical problem.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
Helical gear prefix worm-gear speed reducer of the present utility model, comprise casing, input shaft is provided with in described casing, input shaft is connected with worm screw, and worm screw is connected with worm gear, and worm gear connects output shaft, the outer end of worm gear, worm screw is provided with Sealing, input shaft connects the first helical gear, and the first helical gear connects the second helical gear, and the second helical gear connects motor by transmission axle.By Sealing, can ensure speed reducer operationally, dust can not enter into speed reducer inside.Can ensure that whole worm-gear speed reducer runs expeditiously like this.Making whole speed reducer can remain in a level with motor when assembling by the first helical gear, the second helical gear, running comparatively stable.
As preferably, the inwall of described casing is embedded with radiating block, the inner of radiating block is provided with multiple heat radiation lip.Radiating block is inlaid in the internal surface of casing, and radiating block has multiple heat radiation lips of divergence form setting, can increase the area contacted with heat, thus make radiating effect better.
As preferably, the worm-gear tooth root of described worm gear has reinforcing groove, reinforces in groove and is embedded with reinforcing alloy block.The hardness of reinforcing alloy block is higher than the hardness of worm gear itself.So at high temperature, the worm-gear tooth of worm gear also can not forced breakage, and working life is longer.
As preferably, the described second helical gear cylindrical has induction breach.Inductor installed by speed reducer, can be counted by the induction breach on the second helical gear, thus monitor its rotating speed.
Therefore, the utility model can make speed reducer can remain on a horizontal line with motor by the first helical gear, the second helical gear, run more stable, and make good heat dispersion performance by radiating block, simultaneously by reinforcing alloy block, can the intensity of strong whole worm gear, simple and reasonable for structure.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is side structure schematic diagram of Fig. 1;
Accompanying drawing 3 is the utility model first helical gear, second helical gear a kind of structural representation;
Accompanying drawing 4 is a kind of structural representations of the utility model radiating block;
Accompanying drawing 5 is structural representations that the utility model reinforces alloy block.
Component, position and numbering in figure: casing 1, input shaft 2, worm screw 3, worm gear 4, output shaft 5, Sealing 6, first helical gear 7, second helical gear 8, motor 9, radiating block 10, heat radiation lip 11, reinforcing groove 12, reinforcing alloy block 13, induction breach 14.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the helical gear prefix worm-gear speed reducer of this example, as shown in Figure 1, Figure 2, comprise casing 1, in casing, be provided with input shaft 2, input shaft is connected with worm screw 3, worm screw is connected with worm gear 4, and worm gear connects output shaft 5, and the outer end of worm gear, worm screw is provided with Sealing 6, input shaft connects the first helical gear 7, as Fig. 3, the first helical gear connects the second helical gear 8, second helical gear and connects motor 9 by transmission axle.As Fig. 4, the inwall of casing is embedded with radiating block 10, the inner of radiating block is provided with multiple heat radiation lip 11.As Fig. 5, the worm-gear tooth root of worm gear has reinforces groove 12, reinforces in groove to be embedded with and reinforces alloy block 13.Second helical gear cylindrical has induction breach 14.
During use, motor 9 starts, and by the transmission of the second helical gear 8, first helical gear 7, input shaft 2 input power, by the transmission of worm screw 3, worm gear 4, by output shaft 5 outputting power.
The foregoing is only specific embodiment of the utility model, but structure characteristic of the present utility model is not limited thereto, any those skilled in the art is in field of the present utility model, and the change done or modification are all encompassed among the scope of the claims of the present utility model.
Claims (4)
1. a helical gear prefix worm-gear speed reducer, comprise casing (1), it is characterized in that being provided with input shaft (2) in described casing (1), input shaft is connected with worm screw (3), and worm screw is connected with worm gear (4), and worm gear connects output shaft (5), the outer end of worm gear, worm screw is provided with Sealing (6), input shaft connects the first helical gear (7), and the first helical gear connects the second helical gear (8), and the second helical gear connects motor (9) by transmission axle.
2. helical gear prefix worm-gear speed reducer according to claim 1, the inwall that it is characterized in that described casing (1) is embedded with radiating block (10), and the inner of radiating block is provided with multiple heat radiation lip (11).
3. helical gear prefix worm-gear speed reducer according to claim 1 and 2, is characterized in that the worm-gear tooth root of described worm gear (4) has and reinforces groove (12), reinforce in groove to be embedded with and reinforce alloy block (13).
4. helical gear prefix worm-gear speed reducer according to claim 1 and 2, the cylindrical that it is characterized in that described the second helical gear (8) has induction breach (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520761004.1U CN204961714U (en) | 2015-09-29 | 2015-09-29 | Helical gear prefix worm gear speed reducer machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520761004.1U CN204961714U (en) | 2015-09-29 | 2015-09-29 | Helical gear prefix worm gear speed reducer machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204961714U true CN204961714U (en) | 2016-01-13 |
Family
ID=55056783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520761004.1U Expired - Fee Related CN204961714U (en) | 2015-09-29 | 2015-09-29 | Helical gear prefix worm gear speed reducer machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204961714U (en) |
-
2015
- 2015-09-29 CN CN201520761004.1U patent/CN204961714U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20160929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |