CN205297843U - Adjustable flow measurement adjusting screw's for pump automatic locking structure - Google Patents
Adjustable flow measurement adjusting screw's for pump automatic locking structure Download PDFInfo
- Publication number
- CN205297843U CN205297843U CN201521129300.6U CN201521129300U CN205297843U CN 205297843 U CN205297843 U CN 205297843U CN 201521129300 U CN201521129300 U CN 201521129300U CN 205297843 U CN205297843 U CN 205297843U
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- CN
- China
- Prior art keywords
- spring
- adjusting screw
- locking
- screw rod
- groove
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to an adjustable flow measurement adjusting screw's for pump automatic locking structure, the measuring pump includes the drive end, the side cap, adjusting screw and adjustment handle, adjusting screw is located the side cap, and and through the screw thread transmission between the side cap, adjustment handle and adjusting screw are connected, during rotating adjustment handle, adjustment handle drives the adjusting screw motion and finally adjusts eccentric distance, and then the flow of regulation measuring pump, automatic locking structure includes the spring, spring pressing cover and locking spring seat, locking spring seat inner end is the locking end, the outer end is the free end, the middle part is for being used for the cover to establish the guide arm of spring, logical groove has been seted up on the side cap, the locking spring seat runs through the logical groove on the side cap, its locking end card is gone into in the adjusting screw, the spring housing is established on the guide arm of locking spring seat, and be located logical inslot, spring pressing cover connects at the opening that leads to the groove, and a spring is compressed, the free end stretches out spring pressing cover's the outside. Compared with the prior art, the utility model discloses simple structure, effectual, the regulation convenience of locking.
Description
Technical field
This utility model relates to a kind of adjustable flow dosing pump adjustment structure, especially relates to the automatic locking structure of a kind of adjustable flow dosing pump adjusting screw rod.
Background technology
Existing adjustable flow dosing pump, as shown in Figure 1, including drive end 1, side cover 2, adjusting screw rod 3 and adjustment handle 4, side cover 2 and drive end 1 are connected, and adjusting screw rod 3 is positioned at side cover 2, and and side cover 2 between pass through screw-driven, regulate handle 4 to be positioned at outside side cover 2, and be connected with adjusting screw rod 3, when turn regulates handle 4, regulate handle 4 drive adjusting screw rod 3 move final eccentric adjustment from, and then regulate adjustable flow dosing pump flow. existing adjustable flow dosing pump locks adjustment structure by holding screw. side cover 2 offers groove 21, lock ball 9 it is provided with in groove 21, holding screw 10 it is additionally provided with in groove 21, holding screw 10 is threadeded with groove 21, during holding screw 10 inside precession, 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, holding screw 10 must be unclamped when regulating adjusting screw rod 3, so that lock ball 9 departs from the thread groove of adjusting screw rod 3, if but after having regulated, forget locking holding screw 10, then lock ball 9 does not have the holding screw effect will not auto lock adjusting screw rod 3, adjusting screw rod 3 so can be made to move back and forth and play with pump, ultimately cause instability of flow.
Utility model content
Defect that the purpose of this utility model is contemplated to overcome above-mentioned prior art to exist and the automatic locking structure of a kind of structure is arranged simply, locking effect is good, easy to adjust adjustable flow dosing pump adjusting screw rod is provided.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of automatic locking structure of adjustable flow dosing pump adjusting screw rod, described adjustable flow dosing pump includes drive end, side cover, adjusting screw rod and adjustment hands handle, described side cover and drive end are connected, described adjusting screw rod is positioned at side cover, and and side cover between pass through screw-driven, described adjustment handle is positioned at outside side cover, and be connected with adjusting screw rod, when turn regulates handle, regulate handle drive adjusting screw rod move final eccentric adjustment from, and then regulate the flow of adjustable flow dosing pump, described automatic locking structure includes 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 it is 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 to sealing cap.
Described locking end lower end is snap onto the locking bed in adjusting screw rod, and upper end is the spring supporting seat holding up spring.
Described spring is compressive state under the spring supporting seat clamping action with spring capping, and non-most compressed state.
Described adjusting screw rod Surface Machining has motion thread, motion thread is formed thread groove, complete adjusting screw rod and side cover position when adjustment after, 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 more than the external diameter of spring so that spring can move up and down in groove.
Described spring capping, by screw thread and processing threadeding and being fixed on side cover on groove outer wall, conveniently removes and installs.
Compared with prior art, this utility model has the following advantages and beneficial effect:
1, automatic locking structure of the present utility model is 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, must artificial outside pull-up locking spring seat when regulating handle, compress spring further, locking spring seat locking end is separated, in order to regulate handle, realize auto lock state by spring force when without External Force Acting with adjusting screw rod. And routine locking device is for regulating handle with holding screw manual locking, when this utility model locking mechanism avoids Flow-rate adjustment, because forgetting that locking regulates the holding screw at handle place, and cause adjusting screw rod play in running, cause the impact of instability of flow.
2, in this utility model, spring is compressive state under the spring supporting seat clamping action with spring capping, and non-most compressed state, the spring force that spring produces under compression pins adjusting screw rod and prevents adjusting screw rod play under non-regulated state in compressing downwards the locking end of locking spring seat and acting on the thread groove of adjusting screw rod.
3, locking mechanism locking effect of the present utility model is good, regulate handle and drive adjusting screw rod motion, the external force overcoming spring force must be acted on the free end of locking spring seat or sealing cap and act on the coupling mechanism force of adjusting screw rod to release locking spring seat, adjusting screw rod can move, once external force releases locking spring seat and will again pin adjusting screw rod under spring force.
4, locking mechanism parts of the present utility model are simple and easy to get, and are easily assembled to and manufacture.
Accompanying drawing explanation
Fig. 1 is existing in the art by the structural representation of holding screw locking adjusting screw rod;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the structural representation of locking spring seat.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail.
Embodiment
Such as Fig. 2, shown in Fig. 3, the automatic locking structure of adjustable flow dosing pump adjusting screw rod, adjustable flow dosing pump includes drive end 1, side cover 2, adjusting screw rod 3 and adjustment handle 4, side cover 2 and drive end 1 are connected, adjusting screw rod 3 is positioned at side cover 2, and and side cover 2 between pass through screw-driven, regulate handle 4 and be positioned at outside side cover 2, and be connected with adjusting screw rod 3, when turn regulates handle 4, regulate handle 4 drive adjusting screw rod 3 move final eccentric adjustment from, and then regulate the flow of adjustable flow dosing pump, automatic locking structure includes 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 it is positioned at groove 21, spring capping 6 is connected to the opening of groove 21, spring capping 6 is by screw thread and processing threadeding and being fixed on side cover 2 on groove 21 outer wall, conveniently remove and install, spring capping 6 compresses spring 5, free end reaches the outside of spring capping 6.The free end of locking spring seat 7 is connected to sealing cap 8.
With reference to Fig. 2, locking end lower end is snap onto the locking bed 71 in adjusting screw rod 3, and upper end is the spring supporting seat 72 holding up spring 5. Spring 5 is compressive state under the clamping action of spring supporting seat 72 and spring capping 6, and non-most compressed state. Adjusting screw rod 3 Surface Machining has motion thread, motion thread is formed thread groove 31, complete adjusting screw rod 3 and side cover 2 position when adjustment after, 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 more than the external diameter of spring 5 so that spring 5 can move up and down in groove 21.
Automatic locking structure is 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, must artificial outside pull-up locking spring seat when regulating handle, compress spring further, locking spring seat locking end is separated, in order to regulate handle, realize auto lock state by spring force when without External Force Acting with adjusting screw rod. Regulate handle and drive adjusting screw rod motion, the external force overcoming spring force must be acted on the free end of locking spring seat or sealing cap and act on the coupling mechanism force of adjusting screw rod to release locking spring seat, adjusting screw rod can move, once external force releases locking spring seat and will again pin adjusting screw rod under spring force. And routine locking device is for regulating handle with holding screw manual locking, when this locking mechanism avoids Flow-rate adjustment, because forgetting the holding screw at locking adjustment handle place, and cause adjusting screw rod play in running, cause the impact of instability of flow.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use utility model. These embodiments obviously easily can be made various amendment by person skilled in the art, and General Principle described herein is applied in other embodiments without through performing creative labour. Therefore, this utility model is not limited to above-described embodiment, and those skilled in the art should within protection domain of the present utility model according to announcement of the present utility model, the improvement made without departing from this utility model category and amendment.
Claims (7)
1. the automatic locking structure of an adjustable flow dosing pump adjusting screw rod, described adjustable flow dosing pump includes drive end (1), side cover (2), adjusting screw rod (3) and adjustment 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 side cover (2) between pass through screw-driven, described adjustment handle (4) is positioned at side cover (2) outside, and be connected with adjusting screw rod (3), when turn regulates handle (4), regulate handle (4) drive adjusting screw rod (3) move final eccentric adjustment from, and then regulate the flow of adjustable flow dosing pump, it is characterized in that, described automatic locking structure includes 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 it is 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 dosing pump adjusting screw rod according to claim 1, it is characterised in that be connected to sealing cap (8) on the free end of described locking spring seat (7).
3. the automatic locking structure of a kind of adjustable flow dosing pump adjusting screw rod according to claim 1, it is characterized in that, described locking end lower end is snap 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 dosing pump adjusting screw rod according to claim 3, it is characterized in that, described spring (5) is compressive state under the spring supporting seat (72) clamping action with spring capping (6), and non-most compressed state.
5. the automatic locking structure of a kind of adjustable flow dosing 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 thread groove (31), complete adjusting screw rod (3) and side cover (2) position when adjustment after, 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 dosing pump adjusting screw rod according to claim 1, it is characterized in that, the diameter of described groove (21) is more than the external diameter of spring (5) so that spring (5) can move up and down in groove (21).
7. the automatic locking structure of a kind of adjustable flow dosing pump adjusting screw rod according to claim 1, it is characterized in that, described spring capping (6) is by screw thread and processing threadeding and being fixed on side cover on groove (21) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521129300.6U CN205297843U (en) | 2015-12-29 | 2015-12-29 | Adjustable flow measurement adjusting screw's for pump automatic locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521129300.6U CN205297843U (en) | 2015-12-29 | 2015-12-29 | Adjustable flow measurement adjusting screw's for pump automatic locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297843U true CN205297843U (en) | 2016-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521129300.6U Withdrawn - After Issue CN205297843U (en) | 2015-12-29 | 2015-12-29 | Adjustable flow measurement adjusting screw's for pump automatic locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205297843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422406A (en) * | 2015-12-29 | 2016-03-23 | 米顿罗工业设备（上海）有限公司 | Automatic locking structure of adjusting screw rod for flow-adjustable metering pump |
-
2015
- 2015-12-29 CN CN201521129300.6U patent/CN205297843U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422406A (en) * | 2015-12-29 | 2016-03-23 | 米顿罗工业设备（上海）有限公司 | Automatic locking structure of adjusting screw rod for flow-adjustable metering pump |
| CN105422406B (en) * | 2015-12-29 | 2018-06-26 | 米顿罗工业设备（上海）有限公司 | The automatic locking structure of adjustable flow metering pump adjusting screw rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160608 Effective date of abandoning: 20180626 |