CN105422406B - The automatic locking structure of adjustable flow metering pump adjusting screw rod - Google Patents
The automatic locking structure of adjustable flow metering pump adjusting screw rod Download PDFInfo
- Publication number
- CN105422406B CN105422406B CN201511019854.5A CN201511019854A CN105422406B CN 105422406 B CN105422406 B CN 105422406B CN 201511019854 A CN201511019854 A CN 201511019854A CN 105422406 B CN105422406 B CN 105422406B
- 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.)
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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
-
- 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 present invention relates to a kind of automatic locking structures of adjustable flow metering pump adjusting screw rod,Metering pump includes driving end,Side cover,Adjusting screw rod and regulation handle,Adjusting screw rod is located in side cover,And pass through screw-driven between side cover,Regulation handle is connect with adjusting screw rod,During turn regulation handle,Regulation handle drives adjusting screw rod movement is final to adjust eccentricity,And then adjust the flow of metering pump,Automatic locking structure includes spring,Spring capping and locking spring seat,Locking spring seat inner end is locking end,Outer end is free end,Middle part is the guide rod for sheathed spring,Straight slot is offered on side cover,Straight slot of the locking spring seat on side cover,Its locking end is caught in adjusting screw rod,Spring is set on the guide rod of locking spring seat,And in straight slot,Spring capping is connected to the opening of straight slot,And compressed spring,Free end reaches the outside of spring capping.Compared with prior art, structure setting of the present invention is simple, locking effect is good, easy to adjust.
Description
Technical field
The present invention relates to a kind of adjustable flow metering pump adjustment structures, are adjusted more particularly, to a kind of adjustable flow metering pump
Save the automatic locking structure of screw rod.
Background technology
Existing adjustable flow metering pump, as shown in Figure 1, including driving end 1, side cover 2, adjusting screw rod 3 and regulation handle
4, side cover 2 is connected with driving end 1, and adjusting screw rod 3 is located in side cover 2, and is adjusted between side cover 2 by screw-driven
Handle 4 is located at the outside of side cover 2, and is connect with adjusting screw rod 3, and during turn regulation handle 4, regulation handle 4 drives adjusting screw rod 3 to transport
Dynamic final adjusting eccentricity, and then adjust the flow of adjustable flow metering pump.Existing adjustable flow metering pump is by clamp screw
It follows closely to lock adjustment structure.Straight slot 21 is offered on side cover 2, lock ball 9 is equipped in straight slot 21, is also set in straight slot 21
There is holding screw 10, holding screw 10 is threadedly coupled with straight slot 21, during 10 inside precession of holding screw, drives lock ball 9 downward
It is mobile, and lock ball 9 is pressed into, anti-loose effect is realized in the thread groove of adjusting screw rod 3, it must be unclamped when adjusting adjusting screw rod 3
Holding screw 10, so that lock ball 9 is detached from the thread groove of adjusting screw rod 3, but if forgetting to lock holding screw after the completion of adjusting
10, then the effect of 9 no holding screw of lock ball will not auto lock adjusting screw rod 3, adjusting screw rod 3 can be made in this way with the reciprocal fortune of pump
It moves and play, ultimately causes instability of flow.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of structure setting is simple,
Locking effect is good, the automatic locking structure of adjustable flow metering pump adjusting screw rod easy to adjust.
The purpose 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, the adjustable flow metering pump include driving
Moved end, side cover, adjusting screw rod and regulation handle, the side cover are connected with driving end, and the adjusting screw rod is located at side
In lid, and by screw-driven between side cover, the regulation handle is located at outside side cover, and is connect with adjusting screw rod, revolves
During dynamic regulation handle, regulation handle drives adjusting screw rod movement is final to adjust eccentricity, and then adjust adjustable flow metering pump
Flow, the automatic locking structure include spring, spring capping and locking spring seat, and the locking spring seat inner end is lock
Tight end, outer end are free end, and middle part is the guide rod for sheathed spring, and straight slot, the locking are offered on the side cover
Straight slot of the spring base on side cover, locking end are caught in adjusting screw rod, and the spring is set in leading for locking spring seat
On bar, and in straight slot, the spring capping is connected to the opening of straight slot, and compressed spring, and the free end is stretched out
To the outside of spring capping.
Sealing cap is connected on the free end of the locking spring seat.
The locking end lower end is the locking bed snapped onto in adjusting screw rod, and upper end is the spring supporting for holding up spring
Seat.
The spring is compressive state, and non-maximum compression shape under the clamping action of spring support seat and spring capping
State.
The adjusting screw rod surface is machined with motion thread, and thread groove is formed on motion thread, completes to adjust when adjusting
It saves screw rod and behind side cover position, the locking bed of locking spring seat is pressed into the spiral shell of adjusting screw rod again under the action of spring spring force
In groove, adjusting screw rod is lockked.
The diameter of the straight slot is more than the outer diameter of spring so that spring can move up and down in straight slot.
The spring capping is by screw thread with processing the threaded connection on straight slot outer wall and being fixed on side cover, convenience
It removes and installs.
Compared with prior art, the present invention has the following advantages and beneficial effects：
1st, automatic locking structure of the invention under normal conditions, the locking of locking spring seat so that due to the compression of spring
End is caught in the thread groove of adjusting screw rod, is locked as normality, when adjusting regulation handle must artificial outside pull-up locking spring seat,
Further compressed spring so that locking spring seat locking end is detached with adjusting screw rod, to adjust regulation handle, without outer masterpiece
Used time realizes auto lock state by spring force.And conventional locking device is with holding screw manual locking regulation handle, this hair
When bright locking mechanism avoids flow-rate adjustment, because forgetting to lock the holding screw at regulation handle, and adjusting screw rod is caused to transport
Play during row causes the influence of instability of flow.
2nd, in the present invention, spring is compressive state, and non-maximum under the clamping action of spring support seat and spring capping
Compressive state, the spring force that spring generates under compression compress downwards the locking end of locking spring seat and act on adjusting spiral shell
In the thread groove of bar, lockking adjusting screw rod prevents adjusting screw rod play under non-regulated state.
3rd, locking mechanism locking effect of the invention is good, and regulation handle to drive adjusting screw rod movement, it is necessary in locking bullet
Effect overcomes the external force of spring force to release the locking that locking spring seat acts on adjusting screw rod on the free end of spring abutment or sealing cap
Power, adjusting screw rod can move, once external force releases locking spring seat will lock adjusting screw rod again under spring force.
4th, locking mechanism component of the invention is simple and easy to get, and is easily assembled to and manufactures.
Description of the drawings
Fig. 1 is the existing structure diagram for locking adjusting screw rod by holding screw in the art；
Fig. 2 is the structure diagram of the present invention；
Fig. 3 is the structure diagram of locking spring seat.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
As shown in Figure 2 and Figure 3, the automatic locking structure of adjustable flow metering pump adjusting screw rod, adjustable flow metering pump packet
Driving end 1, side cover 2, adjusting screw rod 3 and regulation handle 4 are included, side cover 2 is connected with driving end 1, and adjusting screw rod 3 is located at side cover
In 2, and by screw-driven between side cover 2, regulation handle 4 is located at 2 outside of side cover, and is connect with adjusting screw rod 3, turn tune
When saving handle 4, regulation handle 4 drives adjusting screw rod 3 to move final adjusting eccentricity, and then adjusts the stream of adjustable flow metering pump
Amount, automatic locking structure include spring 5, spring capping 6 and locking spring seat 7,7 inner end of locking spring seat be locking end, outer end
For free end, middle part is the guide rod for sheathed spring 5, straight slot 21 is offered on side cover 2, locking spring seat 7 is on side cover 2
Straight slot 21, locking end is caught in adjusting screw rod 3, and spring 5 is set on the guide rod of locking spring seat 7, and positioned at straight slot 21
Interior, spring capping 6 is connected to the opening of straight slot 21, and spring capping 6 is connected by screw thread and screw thread of the processing on 21 outer wall of straight slot
It connects and is fixed on side cover 2, easy to disassemble with installing, 6 compressed spring 5 of spring capping, free end reaches the outer of spring capping 6
Side.Sealing cap 8 is connected on the free end of locking spring seat 7.
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 for holding up spring 5
Support base 72.Spring 5 is compressive state, and non-maximum compression shape under the clamping action of spring support seat 72 and spring capping 6
State.3 surface of adjusting screw rod is machined with motion thread, and thread groove 31 is formed on motion thread, when adjust complete adjusting screw rod 3 with
Behind 2 position of side cover, the locking bed 71 of locking spring seat 7 is pressed into the screw thread of adjusting screw rod 3 again under the action of 5 spring force of spring
In slot 31, adjusting screw rod 3 is lockked.The diameter of straight slot 21 is more than the outer diameter of spring 5 so that spring 5 can move down on straight slot 21 is interior
It is dynamic.
Automatic locking structure causes locking spring seat locking end to be caught in adjusting under normal conditions, due to the compression of spring
In screw flight slot, lock as normality, when adjusting regulation handle must artificial outside pull-up locking spring seat, further compress
Spring so that locking spring seat locking end is detached with adjusting screw rod, and to adjust regulation handle, spring is leaned on when no external force acts on
Power realizes auto lock state.Regulation handle is wanted to drive adjusting screw rod movement, it is necessary in the free end of locking spring seat or sealing cap
Upper effect overcomes the external force of spring force to release the coupling mechanism force that locking spring seat acts on adjusting screw rod, and adjusting screw rod can be transported
It is dynamic, once external force releases locking spring seat will lock adjusting screw rod again under spring force.And conventional locking device is
With holding screw manual locking regulation handle, when this locking mechanism avoids flow-rate adjustment, because forgetting to lock at regulation handle
Holding screw, and adjusting screw rod play in the process of running is caused, cause the influence of instability of flow.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously can easily make these embodiments various modifications, and described herein general
Principle is applied in other embodiment without having to go through creative labor.Therefore, the present invention is not limited to above-described embodiment, abilities
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be the present invention's
Within protection domain.
Claims (7)
1. a kind of automatic locking structure of adjustable flow metering pump adjusting screw rod, the adjustable flow metering pump includes driving
(1), side cover (2), adjusting screw rod (3) and regulation handle (4) are held, the side cover (2) is connected with driving end (1), described
Adjusting screw rod (3) in the side cover (2), and be located between side cover (2) by screw-driven, the regulation handle (4)
Outside side cover (2), and connect with adjusting screw rod (3), during turn regulation handle (4), regulation handle (4) drive adjusting screw rod (3)
Movement is final to adjust eccentricity, and then adjust the flow of adjustable flow metering pump, which is characterized in that the automatic locking structure
Including spring (5), spring capping (6) and locking spring seat (7), described locking spring seat (7) inner end is locking end, and outer end is
Free end, middle part are the guide rod for sheathed spring (5), and straight slot (21), the locking bullet are offered on the side cover (2)
Straight slot (21) of the spring abutment (7) on side cover (2), locking end are caught in adjusting screw rod (3), and the spring (5) is set in
On the guide rod of locking spring seat (7), and in straight slot (21), the spring capping (6) is connected to the opening of straight slot (21),
And compressed spring (5), the free end of locking spring seat (7) reach the outside of spring capping (6).
2. a kind of automatic locking structure of adjustable flow metering pump adjusting screw rod according to claim 1, feature exist
In being connected with sealing cap (8) on the free end of the locking spring seat (7).
3. a kind of automatic locking structure of adjustable flow metering pump adjusting screw rod according to claim 1, feature exist
In the locking end lower end is the locking bed (71) snapped onto in adjusting screw rod (3), and upper end is the spring for holding up spring (5)
Support base (72).
4. a kind of automatic locking structure of adjustable flow metering pump adjusting screw rod according to claim 3, feature exist
In the spring (5) is compressive state, and non-maximum under the clamping action of spring support seat (72) and spring capping (6)
Compressive state.
5. a kind of automatic locking structure of adjustable flow metering pump adjusting screw rod according to claim 3, feature exist
In the adjusting screw rod (3) surface is machined with motion thread, and thread groove (31) is formed on motion thread, is completed when adjusting
After adjusting screw rod (3) and side cover (2) position, the locking bed (71) of locking spring seat (7) is heavy under the action of spring (5) spring force
In the thread groove (31) of new press-in adjusting screw rod (3), adjusting screw rod (3) is lockked.
6. a kind of automatic locking structure of adjustable flow metering pump adjusting screw rod according to claim 1, feature exist
In the diameter of the straight slot (21) is more than the outer diameter of spring (5) so that spring (5) can move up and down in straight slot (21).
7. a kind of automatic locking structure of adjustable flow metering pump adjusting screw rod according to claim 1, feature exist
In the spring capping (6) is by screw thread with processing the threaded connection on straight slot (21) outer wall and being fixed on side cover.
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 CN105422406A (en) | 2016-03-23 |
| CN105422406B true CN105422406B (en) | 2018-06-26 |
Family
ID=55500869
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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105422406B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109806B (en) * | 2021-11-26 | 2022-12-13 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105422406A (en) | 2016-03-23 |
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