CN208040638U - A kind of easy-to-mount metering pump - Google Patents
A kind of easy-to-mount metering pump Download PDFInfo
- Publication number
- CN208040638U CN208040638U CN201721634389.0U CN201721634389U CN208040638U CN 208040638 U CN208040638 U CN 208040638U CN 201721634389 U CN201721634389 U CN 201721634389U CN 208040638 U CN208040638 U CN 208040638U
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- China
- Prior art keywords
- axis
- axis pin
- inner end
- shaft
- pump
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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 discloses a kind of easy-to-mount metering pumps, including the pump housing, one end of the pump housing is equipped with inner cover plate, the outer end of inner cover plate is fixed with intermediate plate, the outside of intermediate plate is fixedly connected with outer cover plate by external six square bolt, and interior on the intermediate plate to be embedded with driven gear, engagement is equipped with driving gear on driven gear, through driving shaft is equipped on the central shaft of driving gear, pump shaft activity is located in the pump housing.The utility model is when installing axis pin and driving shaft, axis pin is plugged into the axial trough of driving shaft, the inner end of axis pin is placed exactly in the opening of thread bush axis at this time, then pump shaft is rotated, axis pin is fixed in driving shaft by helicitic texture, two fixture blocks respectively symmetrically snap fit onto in the circumferential groove of sliding slot, and width of circumferential groove is more than the width of fixture block at this, and the elastic block rubber of middle axial trough inner end can ensure that axis pin is plugged into the stability in driving shaft.
Description
Technical field
The utility model is related to metering pump equipment technical field, specially a kind of easy-to-mount metering pump.
Background technology
Metering pump be it is a kind of can meet various stringent technological process needs, flow can within the scope of 0-100% nothing
Grade is adjusted, for conveying a kind of special positive displacement pump of liquid.Metering pump is also referred to as constant displacement pump or proportioning pump, and metering pump belongs to reciprocating appearance
Product pump, it is used for precise metering, usually require that the steady state accuracy of metering pump is no more than ± 1%.With modernization industry towards
Automation mechanized operation, the continuous development of long-distance automatic control this situation, the matching of metering pump is strong, it is widely excellent to adapt to medium
Gesture particularly looms large.
Pump shaft in the prior art mostly uses greatly the mode and active axis connection of pin key, after a certain period of use time, pin key
It is highly susceptible to wear, influences using effect, thus it is proposed that a kind of easy-to-mount metering pump is for solving the above problems.
Utility model content
The purpose of this utility model is to provide a kind of easy-to-mount metering pumps, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides the following technical solutions：A kind of easy-to-mount metering pump, including pump
One end of body, the pump housing is equipped with inner cover plate, and the outer end of the inner cover plate is fixed with intermediate plate, and the outside of the intermediate plate is logical
It crosses external six square bolt and is fixedly connected with outer cover plate, it is interior on the intermediate plate to be embedded with driven gear, it engages and sets on the driven gear
There is driving gear, run through on the central shaft of the driving gear and be equipped with driving shaft, axial trough is recessed in the inner end of the driving shaft,
The axial trough inner end is fixed with thread bush axis, and thread bush axis inner end side wall is equipped with screw thread, pin is equipped in the axial trough
The inner end of axis, the axis pin is located at by helicitic texture in thread bush axis, and the upper and lower side of axis pin outer surface is respectively equipped with card
Block, the fixture block activity are connected in sliding slot, and the sliding slot is located on the driving shaft of axial trough upper and lower ends, the axis pin it is another
End is fixedly connected with pump shaft, and the pump shaft activity is located in the pump housing, and the outer end of the pump housing is equipped with outlet end, passes through on the outlet end
Helicitic texture is socketed with nut, and adjustment axis is movably equipped in nut, and the inner end of the adjustment axis is fixedly connected with pump shaft.
Preferably, the pump housing upper end is movably equipped with sealing screw, and the sealing screw is equipped with screw seal washer.
Preferably, the bottom surface of the thread bush axis is equipped with elastic block rubber, and the inner end of the axis pin is in close contact in bullet
On property rubber block.
Preferably, the sliding slot includes transverse groove and circumferential groove, and the circumferential groove is located at the inner end of transverse groove, and this two
Center of circle central symmetry of the sliding slot about circular cross-section at this.
Preferably, the inner end of the nut is equipped with Simmer gasket.
Compared with prior art, the utility model has the beneficial effects that：
1, axis pin is plugged into the axial trough of driving shaft by the utility model when being installed to axis pin and driving shaft, this
When axis pin inner end be placed exactly in the opening of thread bush axis, then rotate pump shaft, axis pin be fixed to by master by helicitic texture
In moving axis, two fixture blocks respectively symmetrically snap fit onto in the circumferential groove of sliding slot, and width of circumferential groove is more than the width of fixture block at this, protect
Card block can snap fit onto in sliding slot；
2, the elastic block rubber of axial trough inner end can ensure that axis pin is plugged into the stability in driving shaft.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is pin shaft structure schematic diagram in the utility model.
In figure：1 pump housing, 2 inner cover plates, 3 intermediate plates, 4 outer cover plates, 5 driving gears, 6 driven gears, 701 axial troughs, 702 are slided
Slot, 703 elastic block rubbers, 704 thread bush axis, 8 axis pins, 801 fixture blocks, 9 adjustment axis, 10 Simmer gaskets, 11 pump shafts, 12 spiral shells
Cap, 13 sealing screws, 14 screw seal washers.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of easy-to-mount metering pump, including the pump housing
1, one end of the pump housing 1 is equipped with inner cover plate 2, and the outer end of inner cover plate 2 is fixed with intermediate plate 3, and the outside of intermediate plate 3 passes through external six
Square bolt is fixedly connected with outer cover plate 4, and interior on the intermediate plate 3 to be embedded with driven gear 6, engagement is equipped with driving tooth on driven gear 6
Wheel 5 is recessed with axial trough 701 through driving shaft 7 is equipped on the central shaft of driving gear 5 in the inner end of driving shaft 7, in axial trough 701
End is fixed with thread bush axis 704, and 704 inner end side wall of thread bush axis is equipped with screw thread, axis pin 8, axis pin 8 are equipped in axial trough 701
Inner end be located in thread bush axis 704 by helicitic texture, the bottom surface of thread bush axis 704 is equipped with elastic block rubber 703, axis pin
8 inner end is in close contact on elastic block rubber 703.
The upper and lower side of 8 outer surface of axis pin is respectively equipped with fixture block 801, and 801 activity of fixture block is connected in sliding slot 702, sliding slot
702 are located on the driving shaft 7 of 701 upper and lower ends of axial trough, and sliding slot 702 includes transverse groove and circumferential groove, and circumferential groove is located at transverse groove
Inner end, and the center of circle central symmetry of two sliding slots 702 about circular cross-section at this, the utility model is to axis pin 8 and main
When moving axis 7 is installed, axis pin 8 is plugged into the axial trough 701 of driving shaft 7, the inner end of axis pin 8 is placed exactly in screw thread at this time
The opening of axis 704 is covered, pump shaft 11 is then rotated, axis pin 8 is fixed in driving shaft 7 by helicitic texture, two fixture blocks 801
In the circumferential groove for respectively symmetrically snapping fit onto sliding slot 702, width of circumferential groove is more than the width of fixture block 801 at this.
The other end figure of axis pin 8 connects pump shaft 11 surely, and 11 activity of pump shaft is located in the pump housing 1, and the outer end of the pump housing 1 is equipped with outlet
It holds, nut 12 is socketed with by helicitic texture on the outlet end, and be movably equipped with adjustment axis 9 in nut 12, adjust the inner end of axis 9
It is fixedly connected with pump shaft 11, the inner end of nut 12 is equipped with Simmer gasket 10.
1 upper end of the pump housing is movably equipped with sealing screw 13, and sealing screw 13 is equipped with screw seal washer 14.
Operation principle：The utility model is plugged into driving shaft 7 when being installed to axis pin 8 and driving shaft 7, by axis pin 8
Axial trough 701 in, the inner end of axis pin 8 is placed exactly in the opening of thread bush axis 704 at this time, then rotate pump shaft 11, pass through spiral shell
Axis pin 8 is fixed in driving shaft 7 by line structure, and two fixture blocks 801 respectively symmetrically snap fit onto in the circumferential groove of sliding slot 702, at this
The width of circumferential groove is more than the width of fixture block 801, and the elastic block rubber 703 of 701 inner end of middle axial trough can ensure that axis pin 8 is inserted
The stability being connected in driving shaft 7.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of easy-to-mount metering pump, including the pump housing (1), it is characterised in that：One end of the pump housing (1) is equipped with inner cover plate
(2), the outer end of the inner cover plate (2) is fixed with intermediate plate (3), and the outside of the intermediate plate (3) passes through external six square bolt
It is fixedly connected with outer cover plate (4), it is interior on the intermediate plate (3) to be embedded with driven gear (6), it engages and is equipped on the driven gear (6)
Driving gear (5), through being equipped with driving shaft (7) on the central shaft of the driving gear (5), in the inner end of the driving shaft (7)
It is recessed with axial trough (701), axial trough (701) inner end is fixed with thread bush axis (704), thread bush axis (704) inner end
Side wall is equipped with screw thread, is equipped with axis pin (8) in the axial trough (701), the inner end of the axis pin (8) is located at spiral shell by helicitic texture
Line covers in axis (704), and the upper and lower side of axis pin (8) outer surface is respectively equipped with fixture block (801), fixture block (801) active card
It is connected in sliding slot (702), the sliding slot (702) is located on the driving shaft (7) of axial trough (701) upper and lower ends, the axis pin (8)
The other end is fixedly connected with pump shaft (11), and pump shaft (11) activity is located in the pump housing (1), and the outer end of the pump housing (1) is equipped with out
Mouthful end is socketed with nut (12) by helicitic texture on the outlet end, and is movably equipped with adjustment axis (9) in nut (12), described
The inner end of adjustment axis (9) is fixedly connected with pump shaft (11).
2. a kind of easy-to-mount metering pump according to claim 1, it is characterised in that：The pump housing (1) the upper end activity
Equipped with sealing screw (13), the sealing screw (13) is equipped with screw seal washer (14).
3. a kind of easy-to-mount metering pump according to claim 1, it is characterised in that：The thread bush axis (704)
Bottom surface is equipped with elastic block rubber (703), and the inner end of the axis pin (8) is in close contact on elastic block rubber (703).
4. a kind of easy-to-mount metering pump according to claim 1, it is characterised in that：The sliding slot (702) includes cross
To slot and circumferential groove, the circumferential groove is located at the inner end of transverse groove, and the circle of two sliding slots (702) about circular cross-section at this
Heart central symmetry.
5. a kind of easy-to-mount metering pump according to claim 1, it is characterised in that：The inner end of the nut (12) is set
There is Simmer gasket (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721634389.0U CN208040638U (en) | 2017-11-23 | 2017-11-23 | A kind of easy-to-mount metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721634389.0U CN208040638U (en) | 2017-11-23 | 2017-11-23 | A kind of easy-to-mount metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208040638U true CN208040638U (en) | 2018-11-02 |
Family
ID=63958218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721634389.0U Expired - Fee Related CN208040638U (en) | 2017-11-23 | 2017-11-23 | A kind of easy-to-mount metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208040638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812412A (en) * | 2019-04-11 | 2019-05-28 | 宁波布赫懋鑫液压技术有限公司 | A kind of high forward and reverse crescent gear pump of energy conservation |
-
2017
- 2017-11-23 CN CN201721634389.0U patent/CN208040638U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812412A (en) * | 2019-04-11 | 2019-05-28 | 宁波布赫懋鑫液压技术有限公司 | A kind of high forward and reverse crescent gear pump of energy conservation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20211123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |