CN205478286U - Arc internal gear pump - Google Patents
Arc internal gear pump Download PDFInfo
- Publication number
- CN205478286U CN205478286U CN201620044699.6U CN201620044699U CN205478286U CN 205478286 U CN205478286 U CN 205478286U CN 201620044699 U CN201620044699 U CN 201620044699U CN 205478286 U CN205478286 U CN 205478286U
- Authority
- CN
- China
- Prior art keywords
- internal gear
- gear
- arc
- tooth
- internal
- 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
Links
Abstract
The utility model provides an arc internal gear pump, including the internal gear, the internal gear is in a plurality of external tooths have on the outer peripheral face of internal gear, and external gear, outer gear -type becomes to have and to hold the shell space of internal gear is and including a plurality of internal tooths, a plurality of internal tooths on forming shell space's inner peripheral surface with the external tooth meshing, the internal tooth has first arc, the external tooth has second arc, first arc with the convex arc that forms of second cooperates, the internal gear is equipped with the internal gear copper sheathing, the internal gear with the external gear passes through the bearing and links to each other, the utility model discloses an arc internal gear pump is a sectional type circle -arc tooth wheel cylinder, and the internal general square tooth gear pump of comparing has the meshing and coordinates, and the noise is low, the no impulsive sound that operates steadily, and the advantage lies in that structural design is ripe, energy -reducing and noise -reducing.
Description
Technical field
This utility model relates to gear pump technical field, is specifically related to a kind of arc inner tooth wheel pump.
Background technology
Internal gear pump is the one of gear pump, compared with external gear pump, internal gear pump can belong to low pressure and mass flow gear pump with the medium of transfer of highly viscous, and external gear is high-pressure low-flow, internal gear is in oils, paint, the petroleum chemical industry such as resin is widely used, but current gear pump coordinates bad in engagement, noise is big, and running unstable has impulsive sound.
Utility model content
There is above-mentioned deficiency for prior art middle gear pump, this utility model provides a kind of arc inner tooth wheel pump, compares more domestic generally square shaped gear pump and has engagement and work good, noise is low, operating steadily without impulsive sound, advantage is structure design maturation, energy-saving and noise-reducing.
The technical solution of the utility model is, a kind of arc inner tooth wheel pump, including internal gear, described internal gear has multiple external tooth on the outer peripheral face of described internal gear；And external gear, described external gear is formed and can accommodate the shell space of described internal gear and include multiple internal tooth, the plurality of internal tooth engages with described external tooth on the inner peripheral surface forming shell space, the first circular arc is formed between described internal tooth with adjacent internal tooth, the second circular arc is formed between described external tooth with adjacent external tooth, described first circular arc forms arc with described second circular arc and coordinates, and described internal gear is provided with internal gear copper sheathing, and described internal gear is connected by bearing with described external gear.
Above-mentioned arc inner tooth wheel pump, wherein, described internal gear side connects an internal gear pin.
Above-mentioned arc inner tooth wheel pump, wherein, is provided with rear lid gasket between described internal gear pin and described internal gear copper sheathing.
Above-mentioned arc inner tooth wheel pump, wherein, connects outside described rear lid gasket and has a bonnet.
Above-mentioned arc inner tooth wheel pump, wherein, described gear pump also includes lip envelope and mechanical sealing part.
A kind of arc inner tooth wheel pump that this utility model provides, including internal gear, described internal gear has multiple external tooth on the outer peripheral face of described internal gear；And external gear, described external gear is formed and can accommodate the shell space of described internal gear and include multiple internal tooth, the plurality of internal tooth engages with described external tooth on the inner peripheral surface forming shell space, described internal tooth has the first circular arc, described external tooth has the second circular arc, described first circular arc forms arc with described second circular arc and coordinates, described internal gear is provided with internal gear copper sheathing, described internal gear is connected by bearing with described external gear, arc inner tooth wheel pump of the present utility model is stagewise circular-arc gear pump, compare more domestic generally square shaped gear pump there is engagement to work good, noise is low, operate steadily without impulsive sound, advantage is structure design maturation, energy-saving and noise-reducing.
Accompanying drawing explanation
The detailed description made non-limiting example with reference to the following drawings by reading, this utility model and feature, profile and advantage will become more apparent upon.The part that labelling instruction identical in whole accompanying drawings is identical.The most deliberately it is drawn to scale accompanying drawing, it is preferred that emphasis is purport of the present utility model is shown.
The axonometric chart of a kind of arc inner tooth wheel pump that Fig. 1 provides for this utility model；
The structural representation that the internal gear of a kind of arc inner tooth wheel pump that Fig. 2 provides for this utility model coordinates with external gear.
Detailed description of the invention
In the following description, a large amount of concrete details is given to provide and this utility model being understood the most thoroughly.It is, however, obvious to a person skilled in the art that this utility model can be carried out without these details one or more.In other example, in order to avoid obscuring with this utility model, technical characteristics more well known in the art are not described.
In order to thoroughly understand this utility model, detailed step and detailed structure will be proposed in following description, in order to explaination the technical solution of the utility model.Preferred embodiment of the present utility model is described in detail as follows, but in addition to these describe in detail, this utility model can also have other embodiments.
With reference to shown in Fig. 1-Fig. 2, this utility model provides a kind of arc inner tooth wheel pump, and including internal gear 1, described internal gear 1 has multiple external tooth 2 on the outer peripheral face of described internal gear 1；nullAnd external gear 3，Described external gear 3 is formed and can accommodate the shell space of described internal gear 1 and include multiple internal tooth 4，The plurality of internal tooth 4 engages with described external tooth 2 on the inner peripheral surface forming shell space，Described internal tooth 4 has the first circular arc 5，Described external tooth 2 has the second circular arc 6，Described first circular arc 5 forms arc with described second circular arc 6 shape and coordinates，Described internal gear 1 is provided with internal gear copper sheathing，Described internal gear 1 is connected by bearing with described external gear 3，This utility model has multiple external tooth 2 on the outer peripheral face of described internal gear 1 by internal gear 1 and external gear 3 is formed and can accommodate the shell space of described internal gear 1 and include multiple internal tooth 4，Wherein internal tooth 4 has the first circular arc 5，External tooth 2 has the second circular arc 6，Coordinated by the arc of the first circular arc 5 with the second circular arc 6，Arc inner tooth wheel pump of the present utility model can be reached compare more domestic generally square shaped gear pump and there is engagement work good，Noise is low，Operate steadily without impulsive sound，Advantage is structure design maturation，Energy-saving and noise-reducing.
This utility model one is preferred but in unrestriced embodiment, internal gear 1 side connects an internal gear pin, further, is provided with rear lid gasket between internal gear pin and described internal gear copper sheathing, further preferably, connect outside rear lid gasket and have a bonnet.
This utility model one is preferred but in unrestriced embodiment, gear pump also includes mechanical sealing part 8, and in fig. 2, mark 7 is the support of bearing.
In sum, a kind of arc inner tooth wheel pump that this utility model provides, including internal gear, described internal gear has multiple external tooth on the outer peripheral face of described internal gear；And external gear, described external gear is formed and can accommodate the shell space of described internal gear and include multiple internal tooth, the plurality of internal tooth engages with described external tooth on the inner peripheral surface forming shell space, described internal tooth has the first circular arc, described external tooth has the second circular arc, described first circular arc forms arc with described second circular arc and coordinates, described internal gear is provided with internal gear copper sheathing, described internal gear is connected by bearing with described external gear, arc inner tooth wheel pump of the present utility model is stagewise circular-arc gear pump, compare more domestic generally square shaped gear pump there is engagement to work good, noise is low, operate steadily without impulsive sound, advantage is structure design maturation, energy-saving and noise-reducing.
Above preferred embodiment of the present utility model is described.It is to be appreciated that this utility model is not limited to above-mentioned particular implementation, the equipment and the structure that do not describe in detail the most to the greatest extent are construed as being practiced with the common mode in this area；Any those of ordinary skill in the art, without departing under technical solutions of the utility model ambit, technical solutions of the utility model are made many possible variations and modification by the method and the technology contents that all may utilize the disclosure above, or it being revised as the Equivalent embodiments of equivalent variations, this has no effect on flesh and blood of the present utility model.Therefore, every content without departing from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all still fall within the range of technical solutions of the utility model protection.
Claims (5)
1. an arc inner tooth wheel pump, it is characterised in that include internal gear, described internal gear has multiple external tooth on the outer peripheral face of described internal gear；And external gear, described external gear is formed and can accommodate the shell space of described internal gear and include multiple internal tooth, the plurality of internal tooth engages with described external tooth on the inner peripheral surface forming shell space, the first circular arc is formed between described internal tooth with adjacent internal tooth, the second circular arc is formed between described external tooth with adjacent external tooth, described first circular arc forms arc with described second circular arc and coordinates, and described internal gear is provided with internal gear copper sheathing, and described internal gear is connected by bearing with described external gear.
2. a kind of arc inner tooth wheel pump as claimed in claim 1, it is characterised in that described internal gear side connects an internal gear pin.
3. a kind of arc inner tooth wheel pump as claimed in claim 2, it is characterised in that be provided with rear lid gasket between described internal gear pin and described internal gear copper sheathing.
4. a kind of arc inner tooth wheel pump as claimed in claim 3, it is characterised in that connect outside described rear lid gasket and have a bonnet.
5. a kind of arc inner tooth wheel pump as described in claim 1-4 is arbitrary, it is characterised in that described gear pump also includes mechanical sealing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620044699.6U CN205478286U (en) | 2016-01-18 | 2016-01-18 | Arc internal gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620044699.6U CN205478286U (en) | 2016-01-18 | 2016-01-18 | Arc internal gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478286U true CN205478286U (en) | 2016-08-17 |
Family
ID=56670735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620044699.6U Expired - Fee Related CN205478286U (en) | 2016-01-18 | 2016-01-18 | Arc internal gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205478286U (en) |
-
2016
- 2016-01-18 CN CN201620044699.6U patent/CN205478286U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170118 |