CN105422406A - Automatic locking structure of adjusting screw rod for flow-adjustable metering pump - Google Patents
Automatic locking structure of adjusting screw rod for flow-adjustable metering pump Download PDFInfo
- Publication number
- CN105422406A CN105422406A CN201511019854.5A CN201511019854A CN105422406A CN 105422406 A CN105422406 A CN 105422406A CN 201511019854 A CN201511019854 A CN 201511019854A CN 105422406 A CN105422406 A CN 105422406A
- Authority
- CN
- China
- Prior art keywords
- spring
- screw rod
- adjusting screw
- locking
- side cover
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
Abstract
The invention relates to an automatic locking structure of an adjusting screw rod for a flow-adjustable metering pump. The metering pump comprises a driving end, a side cover, an adjusting screw rod and an adjusting handle, wherein the adjusting screw rod is located in the side cover and performs transmission with the side cover through threads, and the adjusting handle is connected with the adjusting screw rod; when the adjusting handle is rotated, the adjusting handle drives the adjusting screw rod to move, the eccentric distance is finally adjusted, and flow of the metering pump is adjusted; the automatic locking structure comprises a spring, a spring gland and a locking spring seat, the inner end of the locking spring seat is a locking end, the outer end of the locking spring seat is a free end, a guide rod used for sleeving the spring is arranged in the middle of the locking spring seat, a through slot is formed in the side cover, the locking spring seat penetrates through the through slot in the side cover, the locking end of the locking spring seat is clamped in the adjusting screw rod, the guide rod of the locking spring seat is sleeved with the spring, and the spring is located in the through slot, the spring gland is connected to an opening of the through slot and compresses the spring, and the free end extends out of the outer side of the spring gland. Compared with the prior art, the automatic locking structure is simple in arrangement, good in locking effect and convenient to adjust.
Description
Technical field
The present invention relates to a kind of adjustable flow metering pump regulation structure, especially relate to a kind of automatic locking structure of adjustable flow metering pump adjusting screw rod.
Background technique
Existing adjustable flow metering pump, as shown in Figure 1, comprise drive end 1, side cover 2, adjusting screw rod 3 and regulating handle 4, side cover 2 and drive end 1 are connected, and adjusting screw rod 3 is positioned at side cover 2, and and pass through screw-driven between side cover 2, regulating handle 4 is positioned at outside side cover 2, and is connected with adjusting screw rod 3, during turn regulating handle 4, regulating handle 4 drives adjusting screw rod 3 to move final eccentric adjustment distance, and then regulates the flow of adjustable flow metering pump.Existing adjustable flow metering pump locks regulation structure by Cock screw.Side cover 2 offers groove 21, lock ball 9 is provided with in groove 21, Cock screw 10 is also provided with in groove 21, Cock screw 10 is threaded with groove 21, Cock screw 10 inwardly precession time, lock ball 9 is driven to move down, and lock ball 9 is pressed in the thread groove of adjusting screw rod 3 and realizes locking effect, regulate during adjusting screw rod 3 and must unclamp Cock screw 10, with the thread groove making lock ball 9 depart from adjusting screw rod 3, if but after having regulated, forget locking Cock screw 10, then lock ball 9 does not have Cock screw effect can not auto lock adjusting screw rod 3, can make like this adjusting screw rod 3 with pump to-and-fro motion play, finally cause instability of flow.
Summary of the invention
Object of the present invention is exactly provide that a kind of vibrational power flow is simple, locking effect good, the automatic locking structure of adjustable flow metering pump adjusting screw rod easy to adjust to overcome defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions:
A kind of automatic locking structure of adjustable flow metering pump adjusting screw rod, described adjustable flow metering pump comprises drive end, side cover, adjusting screw rod and regulating handle, described side cover and drive end are connected, described adjusting screw rod is positioned at side cover, and and pass through screw-driven between side cover, described regulating handle is positioned at outside side cover, and be connected with adjusting screw rod, during turn regulating handle, regulating handle drives adjusting screw rod to move final eccentric adjustment distance, and then regulate the flow of adjustable flow metering pump, described automatic locking structure comprises spring, spring capping and locking spring seat, described locking spring seat inner end is locking end, outer end is free end, middle part is the guide rod for sheathed spring, described side cover offers groove, described locking spring seat runs through the groove on side cover, its locking end snaps in adjusting screw rod, described spring housing is located on the guide rod of locking spring seat, and be positioned at groove, described spring capping is connected to the opening of groove, and Compress Spring, described free end reaches the outside of spring capping.
The free end of described locking spring seat is connected with sealing cap.
Described locking end lower end is the locking bed snapped onto in adjusting screw rod, and upper end is the spring supporting seat holding up spring.
Described spring is compressive state under the clamping action of spring supporting seat and spring capping, and non-most compressed state.
Described adjusting screw rod surface Machining has motion thread, motion thread is formed with thread groove, after adjustment completes adjusting screw rod and side cover position, the locking bed of locking spring seat is again pressed in the thread groove of adjusting screw rod under the effect of spring spring force, pins adjusting screw rod.
The diameter of described groove is greater than the external diameter of spring, and spring can be moved up and down in groove.
Described spring capping is being threaded and being fixed on side cover on groove outer wall by screw thread and processing, for convenience detach with installation.
Compared with prior art, the present invention has the following advantages and beneficial effect:
1, automatic locking structure of the present invention under normal conditions, make locking spring seat locking end snap in the thread groove of adjusting screw rod due to the compression of spring, locking is normality, necessary artificial outwards pull-up locking spring seat during adjustment regulating handle, further Compress Spring, locking spring seat locking end is separated, to regulate regulating handle, realizing auto lock state without during External Force Acting by spring force with adjusting screw rod.And conventional locking device is for using Cock screw manual locking regulating handle, when locking mechanism of the present invention avoiding Flow-rate adjustment, because forgetting the Cock screw at locking regulating handle place, and causing adjusting screw rod play in running, causing the impact of instability of flow.
2, in the present invention, spring is compressive state under the clamping action of spring supporting seat and spring capping, and non-most compressed state, the spring force that spring produces under compression compresses the locking end of locking spring seat downwards and acts in the thread groove of adjusting screw rod, pins adjusting screw rod and prevents adjusting screw rod play under non-regulated state.
3, locking mechanism locking effect of the present invention is good, regulating handle is wanted to drive adjusting screw rod motion, must act on the free end of locking spring seat or sealing cap overcome spring force external force to remove the coupling mechanism force that locking spring seat acts on adjusting screw rod, adjusting screw rod can move, once external force removes locking spring seat again will pin adjusting screw rod under spring force.
4, locking mechanism parts of the present invention are simple and easy to get, and are easy to assembling and manufacture.
Accompanying drawing explanation
Fig. 1 is existing in the art by the structural representation of Cock screw locking adjusting screw rod;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the structural representation of locking spring seat.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As Fig. 2, shown in Fig. 3, the automatic locking structure of adjustable flow metering pump adjusting screw rod, adjustable flow metering pump comprises drive end 1, side cover 2, adjusting screw rod 3 and regulating handle 4, side cover 2 and drive end 1 are connected, adjusting screw rod 3 is positioned at side cover 2, and and pass through screw-driven between side cover 2, regulating handle 4 is positioned at outside side cover 2, and be connected with adjusting screw rod 3, during turn regulating handle 4, regulating handle 4 drives adjusting screw rod 3 to move final eccentric adjustment distance, and then regulate the flow of adjustable flow metering pump, automatic locking structure comprises spring 5, spring capping 6 and locking spring seat 7, locking spring seat 7 inner end is locking end, outer end is free end, middle part is the guide rod for sheathed spring 5, side cover 2 offers groove 21, locking spring seat 7 runs through the groove 21 on side cover 2, its locking end snaps in adjusting screw rod 3, spring 5 is set on the guide rod of locking spring seat 7, and be positioned at groove 21, spring capping 6 is connected to the opening of groove 21, spring capping 6 is by screw thread and processing being threaded and being fixed on side cover 2 on groove 21 outer wall, for convenience detach with installation, spring capping 6 Compress Spring 5, free end reaches the outside of spring capping 6.The free end of locking spring seat 7 is connected with sealing cap 8.
With reference to figure 2, locking end lower end is the locking bed 71 snapped onto in adjusting screw rod 3, and upper end is the spring supporting seat 72 holding up spring 5.Spring 5 is compressive state under spring supporting seat 72 with the clamping action of spring capping 6, and non-most compressed state.Adjusting screw rod 3 surface Machining has motion thread, motion thread is formed with thread groove 31, after adjustment completes adjusting screw rod 3 and side cover 2 position, the locking bed 71 of locking spring seat 7 is again pressed in the thread groove 31 of adjusting screw rod 3 under the effect of spring 5 spring force, pins adjusting screw rod 3.The diameter of groove 21 is greater than the external diameter of spring 5, and spring 5 can be moved up and down in groove 21.
Automatic locking structure under normal conditions, make locking spring seat locking end snap in the thread groove of adjusting screw rod due to the compression of spring, locking is normality, necessary artificial outwards pull-up locking spring seat during adjustment regulating handle, further Compress Spring, locking spring seat locking end is separated, to regulate regulating handle, realizing auto lock state without during External Force Acting by spring force with adjusting screw rod.Regulating handle is wanted to drive adjusting screw rod motion, must act on the free end of locking spring seat or sealing cap overcome spring force external force to remove the coupling mechanism force that locking spring seat acts on adjusting screw rod, adjusting screw rod can move, once external force removes locking spring seat again will pin adjusting screw rod under spring force.And conventional locking device is for using Cock screw manual locking regulating handle, when this locking mechanism avoiding Flow-rate adjustment, because forgetting the Cock screw at locking regulating handle place, and causing adjusting screw rod play in running, causing the impact of instability of flow.
Above-mentioned is can understand and use invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (7)
1. the automatic locking structure of an adjustable flow metering pump adjusting screw rod, described adjustable flow metering pump comprises drive end (1), side cover (2), adjusting screw rod (3) and regulating handle (4), described side cover (2) and drive end (1) are connected, described adjusting screw rod (3) is positioned at side cover (2), and and pass through screw-driven between side cover (2), described regulating handle (4) is positioned at side cover (2) outside, and be connected with adjusting screw rod (3), time turn regulating handle (4), regulating handle (4) drives adjusting screw rod (3) to move final eccentric adjustment distance, and then regulate the flow of adjustable flow metering pump, it is characterized in that, described automatic locking structure comprises spring (5), spring capping (6) and locking spring seat (7), described locking spring seat (7) inner end is locking end, outer end is free end, middle part is the guide rod for sheathed spring (5), described side cover (2) offers groove (21), described locking spring seat (7) runs through the groove (21) on side cover (2), its locking end snaps in adjusting screw rod (3), described spring (5) is set on the guide rod of locking spring seat (7), and be positioned at groove (21), described spring capping (6) is connected to the opening of groove (21), and Compress Spring (5), the free end of locking spring seat (7) reaches the outside of spring capping (6).
2. the automatic locking structure of a kind of adjustable flow metering pump adjusting screw rod according to claim 1, is characterized in that, the free end of described locking spring seat (7) is connected with sealing cap (8).
3. the automatic locking structure of a kind of adjustable flow metering pump adjusting screw rod according to claim 1, it is characterized in that, described locking end lower end is for snapping onto the locking bed (71) in adjusting screw rod (3), and upper end is the spring supporting seat (72) holding up spring (5).
4. the automatic locking structure of a kind of adjustable flow metering pump adjusting screw rod according to claim 3, it is characterized in that, described spring (5) is compressive state under the clamping action of spring supporting seat (72) with spring capping (6), and non-most compressed state.
5. the automatic locking structure of a kind of adjustable flow metering pump adjusting screw rod according to claim 3, it is characterized in that, described adjusting screw rod (3) surface Machining has motion thread, motion thread is formed with thread groove (31), after adjustment completes adjusting screw rod (3) and side cover (2) position, the locking bed (71) of locking spring seat (7) is again pressed in the thread groove (31) of adjusting screw rod (3) under the effect of spring (5) spring force, pins adjusting screw rod (3).
6. the automatic locking structure of a kind of adjustable flow metering pump adjusting screw rod according to claim 1, it is characterized in that, the diameter of described groove (21) is greater than the external diameter of spring (5), and spring (5) can be moved up and down in groove (21).
7. the automatic locking structure of a kind of adjustable flow metering pump adjusting screw rod according to claim 1, it is characterized in that, described spring capping (6) is by screw thread and processing being threaded and being fixed on side cover on groove (21) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511019854.5A CN105422406B (en) | 2015-12-29 | 2015-12-29 | The automatic locking structure of adjustable flow metering pump adjusting screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511019854.5A CN105422406B (en) | 2015-12-29 | 2015-12-29 | The automatic locking structure of adjustable flow metering pump adjusting screw rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105422406A true CN105422406A (en) | 2016-03-23 |
| CN105422406B CN105422406B (en) | 2018-06-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511019854.5A Active CN105422406B (en) | 2015-12-29 | 2015-12-29 | The automatic locking structure of adjustable flow metering pump adjusting screw rod |
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| Country | Link |
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| CN (1) | CN105422406B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109806A (en) * | 2021-11-26 | 2022-03-01 | 深圳华星恒泰泵阀有限公司 | Electromagnetic pump with adjustable flow |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3317174A1 (en) * | 1983-05-11 | 1984-11-15 | Knorr-Bremse GmbH, 8000 München | Antifreeze pump for pneumatic brake systems, especially of motor vehicles |
| CN2338505Y (en) * | 1998-06-10 | 1999-09-15 | 常州市江南电力设备厂 | Mechanical diaphragm type metering pump |
| CN201060011Y (en) * | 2007-06-08 | 2008-05-14 | 罗献尧 | Mechanism diaphragm metering pump |
| CA2775778A1 (en) * | 2012-05-01 | 2013-11-01 | New Age Compression Ltd. | Gas compressor |
| CN205297843U (en) * | 2015-12-29 | 2016-06-08 | 米顿罗工业设备（上海）有限公司 | Adjustable flow measurement adjusting screw's for pump automatic locking structure |
-
2015
- 2015-12-29 CN CN201511019854.5A patent/CN105422406B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3317174A1 (en) * | 1983-05-11 | 1984-11-15 | Knorr-Bremse GmbH, 8000 München | Antifreeze pump for pneumatic brake systems, especially of motor vehicles |
| CN2338505Y (en) * | 1998-06-10 | 1999-09-15 | 常州市江南电力设备厂 | Mechanical diaphragm type metering pump |
| CN201060011Y (en) * | 2007-06-08 | 2008-05-14 | 罗献尧 | Mechanism diaphragm metering pump |
| CA2775778A1 (en) * | 2012-05-01 | 2013-11-01 | New Age Compression Ltd. | Gas compressor |
| CN205297843U (en) * | 2015-12-29 | 2016-06-08 | 米顿罗工业设备（上海）有限公司 | Adjustable flow measurement adjusting screw's for pump automatic locking structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109806A (en) * | 2021-11-26 | 2022-03-01 | 深圳华星恒泰泵阀有限公司 | Electromagnetic pump with adjustable flow |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105422406B (en) | 2018-06-26 |
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