CN208764013U - A kind of screw thread inserting type differential overflow valve - Google Patents
A kind of screw thread inserting type differential overflow valve Download PDFInfo
- Publication number
- CN208764013U CN208764013U CN201821554686.9U CN201821554686U CN208764013U CN 208764013 U CN208764013 U CN 208764013U CN 201821554686 U CN201821554686 U CN 201821554686U CN 208764013 U CN208764013 U CN 208764013U
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- CN
- China
- Prior art keywords
- spring
- screw thread
- valve seat
- nut
- matched
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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 screw thread inserting type differential overflow valves, including volute spring, one end of the volute spring is sheathed on the outside of nut, one end of the nut is provided with spring base, the spring base is provided with valve seat far from one end of the nut, spring is provided between the valve seat and the spring base, the valve seat is matched by fixture block one with the spring close to one end of the spring, the spring base is matched close to one end of the spring by spring described in fixture block two, it is provided in the middle part of the valve seat and sequentially passes through the valve seat, the volute spring, the regulating valve stem matched in the middle part of the spring base and the nut, the inner wall middle position of the valve seat is provided with the differential sleeve matched with the regulating valve stem, inner wall one end of the valve seat is provided with the connector sleeve matched with the regulating valve stem.The utility model has the advantages that its mechanism is compact, it is easily installed, and then reduces cost.
Description
Technical field
The utility model relates to overflow valve fields, it particularly relates to a kind of screw thread inserting type differential overflow valve.
Background technique
In hydraulic pressure valve, due to the system integration and the requirement of miniaturization, occurred more thread cartridge in recent years
Formula overflow valve.Pilot-operated type structure and direct dynamic structure can be divided into according to working principle.They are all to utilize to act on spool
The principle that hydraulic coupling and spring force balance each other carrys out work, and the pressure of hydraulic system is adjusted and is controlled.
According to patent No. CN201220213132.9, provided a kind of screw thread inserting type differential overflow valve, it is desirable that carry out
Pressure spring has very big spring force, this just makes regulation performance be deteriorated, and is also difficult to realize in structure, carries out spiral shell by dual spring
The differential adjusting of line plug-in overflow valve effectively reaches the differential overflow valve of screw thread inserting type.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For the problems in the relevant technologies, the utility model proposes a kind of screw thread inserting type differential overflow valves, existing to overcome
There is above-mentioned technical problem present in the relevant technologies.
For this purpose, the specific technical solution that the utility model uses is as follows:
A kind of screw thread inserting type differential overflow valve, including volute spring, one end of the volute spring are sheathed on nut
Outside, one end of the nut are provided with spring base, and the spring base is provided with valve seat, the valve far from one end of the nut
Spring is provided between seat and the spring base, the valve seat passes through fixture block one and the spring phase close to one end of the spring
Cooperation, the spring base are matched close to one end of the spring by spring described in fixture block two, the middle part setting of the valve seat
There is the regulating valve stem for sequentially passing through and matching in the middle part of the valve seat, the volute spring, the spring base and the nut, and
And the regulating valve stem is interspersed in the middle part of the spring and the volute spring, the inner wall interposition of the valve seat installs
It is equipped with the differential sleeve matched with the regulating valve stem, inner wall one end of the valve seat is provided with to be matched with the regulating valve stem
Connector sleeve.
Further, the inner wall of the nut is in mating connection by internal screw thread one and the regulating valve stem.
Further, the inner wall of the spring base is in mating connection by internal screw thread two and the regulating valve stem.
Further, the top of the regulating valve stem is hexagonal bulb.
Further, interior hexagonal counterbore is provided in one end of the regulating valve stem.
It is applied in overflow valve, makes the utility model has the following beneficial effects: carrying out installation by using thread cartridge mode
It obtains internal structure and reaches damping, and then ensure that the steady pressure regulation and unlatching of overflow valve, and reduce impact, same traffic
Under the conditions of, overflow valve is small in size, so that its mechanism is compact, is easily installed, and then reduce cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram according to a kind of screw thread inserting type differential overflow valve of the utility model embodiment；
Fig. 2 is the side view according to a kind of screw thread inserting type differential overflow valve of the utility model embodiment；
Fig. 3 is the sectional view A-A according to a kind of screw thread inserting type differential overflow valve of the utility model embodiment
Fig. 4 is the enlarged drawing of A in Fig. 3 according to a kind of screw thread inserting type differential overflow valve of the utility model embodiment.
In figure:
1, volute spring；2, nut；3, spring base；4, valve seat；5, spring；6, fixture block one；7, fixture block two；8, regulating valve
Bar；9, differential sleeve；10, connector sleeve；11, internal screw thread one；12, internal screw thread two；13, hexagonal bulb；14, interior hexagonal counterbore.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with attached drawing, these attached drawings are in the utility model discloses
A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment
Reason, cooperation refer to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this is practical new
The advantages of type, the component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
Embodiment according to the present utility model provides a kind of screw thread inserting type differential overflow valve.
Now in conjunction with the drawings and specific embodiments, the present invention will be further described, as shown in Figs 1-4, practical according to this
One end of the screw thread inserting type differential overflow valve of new embodiment, including volute spring 1, the volute spring 1 is sheathed on nut 2
Outside, one end of the nut 2 is provided with spring base 3, and the spring base 3 is provided with valve seat far from one end of the nut 2
4, spring 5 is provided between the valve seat 4 and the spring base 3, the valve seat 4 passes through fixture block close to one end of the spring 5
One 6 match with the spring 5, and the spring base 3 is matched close to one end of the spring 5 by the spring 5 of fixture block 27
It closes, the middle part of the valve seat 4, which is provided with, sequentially passes through the valve seat 4, the volute spring 1, the spring base 3 and the nut
The regulating valve stem 8 that 2 middle parts match, also, the regulating valve stem 8 is interspersed in the spring 5 and the volute spring 1
Portion, the inner wall middle position of the valve seat 4 are provided with the differential sleeve 9 matched with the regulating valve stem 8, the valve seat 4 it is interior
Wall one end is provided with the connector sleeve 10 matched with the regulating valve stem 8.
With the aid of the technical scheme, it carries out installation by using thread cartridge mode to be applied in overflow valve, so that interior
The structure in portion reaches damping, and then ensure that the steady pressure regulation and unlatching of overflow valve, and reduce impact, same traffic condition
Under, overflow valve is small in size, so that its mechanism is compact, is easily installed, and then reduce cost.
In one embodiment, the inner wall of the nut 2 passes through internal screw thread 1 and 8 company of matching of regulating valve stem
It connects.
In one embodiment, the inner wall of the spring base 3 passes through internal screw thread 2 12 and 8 company of matching of regulating valve stem
It connects.
In one embodiment, the top of the regulating valve stem 8 is hexagonal bulb 13.
In one embodiment, interior hexagonal counterbore 14 is provided in one end of the regulating valve stem 8.
Working principle: by setting spring 5, overflow valve forms sealing under the action of spring base 3 and valve seat 4, in differential sleeve
It is moved in 9 inner hole, realizes overflow, to reach to the steady pressure regulation of overflow valve and unlatching, and then pass through thread cartridge mode
Differential adjusting is carried out to overflow valve.
In conclusion being installed by means of the above-mentioned technical proposal of the utility model by using thread cartridge mode
It is applied in overflow valve, so that internal structure reaches damping, and then ensure that the steady pressure regulation and unlatching of overflow valve, and
It reduces and impacts, under the conditions of same traffic, overflow valve is small in size, so that its mechanism is compact, is easily installed, and then reduce cost.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of screw thread inserting type differential overflow valve, which is characterized in that including volute spring (1), the one of the volute spring (1)
End cap is set to the outside of nut (2), and one end of the nut (2) is provided with spring base (3), and the spring base (3) is far from described
One end of nut (2) is provided with valve seat (4), and spring (5), the valve are provided between the valve seat (4) and the spring base (3)
Seat (4) is matched by fixture block one (6) with the spring (5) close to the one end of the spring (5), and the spring base (3) is close
One end of the spring (5) is matched by fixture block two (7) spring (5), is provided in the middle part of the valve seat (4) and is successively passed through
Wear the regulating valve stem matched in the middle part of the valve seat (4), the volute spring (1), the spring base (3) and the nut (2)
(8), also, the regulating valve stem (8) is interspersed in the middle part of the spring (5) and the volute spring (1), the valve seat
(4) inner wall middle position is provided with the differential sleeve (9) matched with the regulating valve stem (8), the inner wall one of the valve seat (4)
End is provided with the connector sleeve (10) matched with the regulating valve stem (8).
2. a kind of screw thread inserting type differential overflow valve according to claim 1, which is characterized in that the nut (2) it is interior
Wall is in mating connection by internal screw thread one (11) and the regulating valve stem (8).
3. a kind of screw thread inserting type differential overflow valve according to claim 1, which is characterized in that the spring base (3)
Inner wall is in mating connection by internal screw thread two (12) and the regulating valve stem (8).
4. a kind of screw thread inserting type differential overflow valve according to claim 1, which is characterized in that the regulating valve stem (8)
Top be hexagonal bulb (13).
5. a kind of screw thread inserting type differential overflow valve according to claim 1, which is characterized in that the regulating valve stem (8)
One end in be provided with interior hexagonal counterbore (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821554686.9U CN208764013U (en) | 2018-09-25 | 2018-09-25 | A kind of screw thread inserting type differential overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821554686.9U CN208764013U (en) | 2018-09-25 | 2018-09-25 | A kind of screw thread inserting type differential overflow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208764013U true CN208764013U (en) | 2019-04-19 |
Family
ID=66137010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821554686.9U Expired - Fee Related CN208764013U (en) | 2018-09-25 | 2018-09-25 | A kind of screw thread inserting type differential overflow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208764013U (en) |
-
2018
- 2018-09-25 CN CN201821554686.9U patent/CN208764013U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190419 Termination date: 20210925 |