CN204592152U - The transmission device of metering pump with constant speed and constant pressure - Google Patents
The transmission device of metering pump with constant speed and constant pressure Download PDFInfo
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- CN204592152U CN204592152U CN201520246488.6U CN201520246488U CN204592152U CN 204592152 U CN204592152 U CN 204592152U CN 201520246488 U CN201520246488 U CN 201520246488U CN 204592152 U CN204592152 U CN 204592152U
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Abstract
The utility model relates to the transmission device of metering pump with constant speed and constant pressure, comprises turbine, worm screw, actuating motor, speed reducer, electric machine support, and the input end of described speed reducer is connected with the motor shaft of described actuating motor.Described transmission device also comprises the first worm screw fixed plate, the second worm screw fixed plate, described first worm screw fixed plate are fixedly connected with the second worm screw fixed plate by described fixed drawing-rod.And described first worm screw fixed plate is parallel with described second worm screw fixed plate.One end of the worm shaft of described worm screw is flexibly connected with described first worm screw fixed plate, and the other end of described worm shaft is flexibly connected with described second worm screw fixed plate.Beneficial effect is: the program further simplify the structure of transmission device, thus makes dismounting convenient, and handling process is lighter.
Description
Technical field
The utility model relates to mechanical device, is specifically related to a kind of transmission device for metering pump with constant speed and constant pressure.
Background technique
Metering pump with constant speed and constant pressure is a kind of precision type instrument measured liquid medium.A kind ofly provide the intelligent instrument of highi degree of accuracy fluid and pressure source for scientific research and middle-size and small-size process units.This equipment not only can continue, regularly, rationing fluid, simultaneously can also the pressure of constant fluid and speed, user only need provide enough use medium, instrument just can automatic safe operation, without the need to manually on duty.Existing metering pump with constant speed and constant pressure on the market has the following disadvantages, and be that the transmission device of metering pump on the market can cause local to loosen in the running of long-time high load on the one hand, loosening of local affects to the precision of metering pump.Be that existing transmission structures is complicated on the other hand, carrying is heavy, dismounting difficulty.
Summary of the invention
The deficiency that the utility model overcomes background technique provides a kind of transmission device of metering pump with constant speed and constant pressure, the object designing the transmission device of this metering pump with constant speed and constant pressure is to overcome because local loosens the impact that can cause the precision of metering pump, the structure of succinct transmission device further, carry lighter, dismantle more convenient.
The utility model provides following technical proposals: the transmission device of metering pump with constant speed and constant pressure, comprises turbine, worm screw, actuating motor, speed reducer, electric machine support, and the input end of described speed reducer is connected with the motor shaft of described actuating motor.Described transmission device also comprises the first worm screw fixed plate, the second worm screw fixed plate, described first worm screw fixed plate are fixedly connected with the second worm screw fixed plate by described fixed drawing-rod.And described first worm screw fixed plate is parallel with described second worm screw fixed plate.One end of the worm shaft of described worm screw is flexibly connected with described first worm screw fixed plate, and the other end of described worm shaft is flexibly connected with described second worm screw fixed plate, and one end of described worm shaft is connected by the output terminal of coupling with described speed reducer.
Further, described first worm screw fixed plate, lower righting part is provided with between second worm screw fixed plate, and described first worm screw fixed plate, second worm screw fixed plate is provided with waist hole, described lower righting part is by described waist hole and described first worm screw fixed plate, second worm screw fixed plate is threaded, described lower righting part is connected with screw rodb base by angular contact ball bearing, being fixedly connected with described screw rodb base of screw mandrel, one end of described screw mandrel is fixedly connected with the center of described turbine, the outer periphery threads of described screw mandrel is connected with feed screw nut, described feed screw nut is fixedly connected with one end of plunger, the other end of described plunger is fixedly connected with piston, the cylndrical surface of described plunger and piston is coated with cylindrical shell, described cylindrical shell is fixedly connected with righting part, described upper righting part is fixedly connected with arm-tie with lower righting part, the body of described arm-tie is provided with guiding groove, the middle righting part be fixedly connected with described feed screw nut is provided with between described upper righting part and lower righting part, described middle righting part is fixedly connected with guide runner, described guide runner is connected with described guiding groove 21 track.
Further, one end of described cylindrical shell is fixedly connected with pump head.
The beneficial effects of the utility model are: overcome owing to using rear local to loosen the impact caused the precision of metering pump for a long time by the compensating action in described waist hole, only need unclamp screw during adjustment, readjust the highi degree of accuracy that metering pump transmission device can be recovered in fit up gap.The program further simplify the structure of transmission device, thus makes dismounting convenient, and handling process is lighter.
Accompanying drawing explanation
Fig. 1 is the structural representation of the transmission device of metering pump with constant speed and constant pressure described in the utility model.
Fig. 2 is the A direction view of Fig. 1.
Fig. 3 is the B direction view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
In Fig. 1, Fig. 2, Fig. 3: turbine 1, worm screw 2, actuating motor 3, speed reducer 4, electric machine support 5, first worm screw fixed plate 6, second worm screw fixed plate 7, fixed drawing-rod 8, worm shaft 9, coupling 10, lower righting part 11, waist hole 12, angular contact ball bearing 13, screw rodb base 14, screw mandrel 15, plunger 16, piston 17, cylindrical shell 18, upper righting part 19, arm-tie 20, guiding groove 21, middle righting part 22, guide runner 23, pump head 24, feed screw nut 25.
The transmission device of metering pump with constant speed and constant pressure, comprises turbine 1, worm screw 2, actuating motor 3, speed reducer 4, electric machine support 5, and the input end of speed reducer 4 is connected with the motor shaft of actuating motor 3.Described transmission device is also comprised the first worm screw fixed plate 6, second worm screw fixed plate 7, first worm screw fixed plate 6 and is fixedly connected with the second worm screw fixed plate 7 by fixed drawing-rod 8.And the first worm screw fixed plate 6 is parallel with the second worm screw fixed plate 7, one end of the worm shaft 9 of worm screw 2 is flexibly connected with the first worm screw fixed plate 6, the other end of worm shaft 9 is flexibly connected with the second worm screw fixed plate 7, and one end of worm shaft 9 is connected with the output terminal of speed reducer 4 by coupling 10.
Lower righting part 11 is provided with between first worm screw fixed plate 6, second worm screw fixed plate 7, and the first worm screw fixed plate 6, second worm screw fixed plate 7 is provided with waist hole 12, lower righting part 11 is threaded with the first worm screw fixed plate 6, second worm screw fixed plate 7 by waist hole 12, lower righting part 11 is connected with screw rodb base 14 by angular contact ball bearing 13, the installation of this angular contact ball bearing 13 adopts dual bearing structure, thus can bear two-way axial force.Being fixedly connected with screw rodb base 14 of screw mandrel 15, one end of screw mandrel 15 is fixedly connected with the center of turbine 1.Moment of torsion is transmitted successively by worm screw 2, turbine 1, screw mandrel 15.The outer of screw mandrel 15 is arranged with feed screw nut, and this feed screw nut and screw mandrel 15 form ball guide screw nat, is the straight line motion up and down of feed screw nut by ball guide screw nat by the convert rotational motion of turbine 1.Being fixedly connected with screw rodb base 14 of screw mandrel 15, one end of screw mandrel 15 is fixedly connected with the center of turbine 1, and the outer periphery threads of screw mandrel 15 is connected with feed screw nut 25.Feed screw nut 25 is fixedly connected with one end of plunger 16, the other end of plunger 16 is fixedly connected with piston 17, the cylndrical surface of plunger 16 and piston 17 is coated with cylindrical shell 18, cylindrical shell 18 is fixedly connected with righting part 19, upper righting part 19 is fixedly connected with arm-tie 20 with lower righting part 11, the body of arm-tie 20 is provided with guiding groove 21, the middle righting part 22 be fixedly connected with feed screw nut 25 is provided with between upper righting part 19 and lower righting part 11, middle righting part 22 is fixedly connected with guide runner 23, and guide runner 23 is connected with guiding groove 21 track.One end of cylindrical shell 18 is fixedly connected with pump head 24.
Claims (3)
1. the transmission device of metering pump with constant speed and constant pressure, comprise turbine (1), worm screw (2), actuating motor (3), speed reducer (4), electric machine support (5), the input end of described speed reducer (4) is connected with the motor shaft of described actuating motor (3), it is characterized in that, described transmission device also comprises the first worm screw fixed plate (6), second worm screw fixed plate (7), described first worm screw fixed plate (6) is fixedly connected with the second worm screw fixed plate (7) by described fixed drawing-rod (8), and described first worm screw fixed plate (6) is parallel with described second worm screw fixed plate (7), one end of the worm shaft (9) of described worm screw (2) is flexibly connected with described first worm screw fixed plate (6), the other end of described worm shaft (9) is flexibly connected with described second worm screw fixed plate (7), one end of described worm shaft (9) is connected with the output terminal of described speed reducer (4) by coupling (10).
2. the transmission device of metering pump with constant speed and constant pressure according to claim 1, it is characterized in that, described first worm screw fixed plate (6), lower righting part (11) is provided with between second worm screw fixed plate (7), and described first worm screw fixed plate (6), second worm screw fixed plate (7) is provided with waist hole (12), described lower righting part (11) is by described waist hole (12) and described first worm screw fixed plate (6), second worm screw fixed plate (7) is threaded, described lower righting part (11) is connected with screw rodb base (14) by angular contact ball bearing (13), being fixedly connected with described screw rodb base (14) of screw mandrel (15), one end of described screw mandrel (15) is fixedly connected with the center of described turbine (1), the outer periphery threads of described screw mandrel (15) is connected with feed screw nut (25), described feed screw nut (25) is fixedly connected with one end of plunger (16), the other end of described plunger (16) is fixedly connected with piston (17), the cylndrical surface of described plunger (16) and piston (17) is coated with cylindrical shell (18), described cylindrical shell (18) is fixedly connected with righting part (19), described upper righting part (19) is fixedly connected with arm-tie (20) with lower righting part (11), the body of described arm-tie (20) is provided with guiding groove (21), the middle righting part (22) be fixedly connected with described feed screw nut (25) is provided with between described upper righting part (19) and lower righting part (11), described middle righting part (22) is fixedly connected with guide runner (23), described guide runner (23) is connected with described guiding groove (21) track.
3. the transmission device of metering pump with constant speed and constant pressure according to claim 2, is characterized in that, one end of described cylindrical shell (18) is fixedly connected with pump head (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520246488.6U CN204592152U (en) | 2015-04-22 | 2015-04-22 | The transmission device of metering pump with constant speed and constant pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520246488.6U CN204592152U (en) | 2015-04-22 | 2015-04-22 | The transmission device of metering pump with constant speed and constant pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204592152U true CN204592152U (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520246488.6U Expired - Fee Related CN204592152U (en) | 2015-04-22 | 2015-04-22 | The transmission device of metering pump with constant speed and constant pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204592152U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762510A (en) * | 2017-03-14 | 2017-05-31 | 海安县石油科研仪器有限公司 | Quick accurate manual adjustment type metering pump with constant speed and constant pressure |
| WO2018141235A1 (en) * | 2017-02-06 | 2018-08-09 | 江苏拓创科研仪器有限公司 | Novel constant-pressure constant-speed pump |
-
2015
- 2015-04-22 CN CN201520246488.6U patent/CN204592152U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018141235A1 (en) * | 2017-02-06 | 2018-08-09 | 江苏拓创科研仪器有限公司 | Novel constant-pressure constant-speed pump |
| CN106762510A (en) * | 2017-03-14 | 2017-05-31 | 海安县石油科研仪器有限公司 | Quick accurate manual adjustment type metering pump with constant speed and constant pressure |
| CN106762510B (en) * | 2017-03-14 | 2018-07-10 | 海安县石油科研仪器有限公司 | Quick accurate manual adjustment type metering pump with constant speed and constant pressure |
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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: 20150826 Termination date: 20210422 |
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| CF01 | Termination of patent right due to non-payment of annual fee |