CN208831369U - A kind of thread cartridge direct acting overflow valve - Google Patents
A kind of thread cartridge direct acting overflow valve Download PDFInfo
- Publication number
- CN208831369U CN208831369U CN201821534875.XU CN201821534875U CN208831369U CN 208831369 U CN208831369 U CN 208831369U CN 201821534875 U CN201821534875 U CN 201821534875U CN 208831369 U CN208831369 U CN 208831369U
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- Prior art keywords
- screw thread
- valve body
- sealing ring
- valve
- external screw
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Abstract
The utility model discloses a kind of thread cartridge direct acting overflow valves, locking nut including valve body and positioned at valve body side, valve body is cavity structure, the inside of locking nut is equipped with internal screw thread one, the inside of locking nut, which is run through, is equipped with the adjusting screw rod that one end extends to valve inner, the gasket one being sheathed on outside adjusting screw rod is equipped between valve body and locking nut, the outside of adjusting screw rod is equipped with external screw thread one compatible with internal screw thread one and the external screw thread two positioned at one side of external screw thread, valve body is equipped with internal screw thread two compatible with external screw thread two inside one end of locking nut, the outer cover of adjusting screw rod, which is equipped with, is located at valve inner and the sealing ring one between gasket one and external screw thread two, the side of adjusting screw rod is equipped with the spring positioned at the gasket two of valve inner and positioned at two side of gasket.The utility model has the advantages that the design uses simple threaded form, and it is easy to operate, it is easy-to-use, substantially increase the working efficiency of overflow valve.
Description
Technical field
The utility model relates to overflow valve technical fields, it particularly relates to a kind of thread cartridge direct acting overflow valve.
Background technique
Direct-acting overflow valve is mainly made of valve body, spool, pressure spring and pressure regulating screw (or handle).It is existing hydraulic
The widely used electromagnetic relief valve of system is the form that solenoid directional control valve is combined with precursor overflow valve.
According to patent No. CN201320599341.6, a kind of direct-acting overflow valve is disclosed, by change-over valve core
Connectivity slot is set, establishes new oil circuit, avoiding prevents the problem of hydraulic system is from building pressure because damping hole plug, however is using
During, since the oil pressure relief of overflow valve cannot change, cause the use of overflow valve to have some limitations, and overflow
Pressure change is more complex, is not able to satisfy the use of different places.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
It is existing to overcome the utility model proposes a kind of thread cartridge direct acting overflow valve for the problems in the relevant technologies
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 thread cartridge direct acting overflow valve, the locking nut including valve body and positioned at the valve body side, the valve body
For cavity structure, the inside of the locking nut is equipped with internal screw thread one, and the inside of the locking nut, which is run through, is equipped with one end extension
To the adjusting screw rod of the valve inner, it is equipped with and is sheathed on outside the adjusting screw rod between the valve body and the locking nut
Gasket one, the outside of the adjusting screw rod is equipped with external screw thread one compatible with the internal screw thread one and is located at the external screw thread
The external screw thread two of one side, the valve body are equipped with compatible with the external screw thread two inside one end of the locking nut
Internal screw thread two, the outer cover of the adjusting screw rod are equipped with positioned at the valve inner and are located at the gasket one and the external screw thread
Sealing ring one between two, the side of the adjusting screw rod are equipped with positioned at the gasket two of the valve inner and positioned at the gasket
The spring of two sides, through there is spool, the spool is equipped with far from one end of the gasket two is located at institute for the inside of the spring
The valve seat outside spring is stated, and the valve body is equipped with external screw thread three, the outside of the valve body far from one end of the locking nut
Equipped with the groove one close to the external screw thread three, the groove two positioned at one side of groove is arranged on the valve body.
Further, the valve body and the valve seat are T-shaped structure.
Further, the valve body is equipped with opening one close to the side of the external screw thread three and is located at one side of the opening
Opening two, it is described opening one diameter be greater than it is described opening two diameter.
Further, the valve seat extends to the inside of the opening two far from one end of the spring.
Further, the internal sleeve of the groove one is equipped with sealing ring two, is arranged with sealing ring three on the groove two.
Further, the sealing ring one, the sealing ring three and the sealing ring two are axle sealing ring, and described
Sealing ring one is equal with the diameter of the sealing ring two.
The utility model has the following beneficial effects: being connect with the engagement of external screw thread one and external screw thread two by internal screw thread one
It is connect with the engagement of internal screw thread two, effectively raises the installation of valve, while being convenient for rotation lock nut and adjusting screw rod, into
And carry out the precompressed amount of adjustment spring, the use scope of overflow valve is effectively increased, the using effect of overflow valve is improved, is originally set
Meter uses simple threaded form, easy to operate, easy-to-use, substantially increases the working efficiency of overflow valve.
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 explosive view according to a kind of thread cartridge direct acting overflow valve of the utility model embodiment；
Fig. 2 is the interior view according to a kind of thread cartridge direct acting overflow valve of the utility model embodiment；
Fig. 3 is the structural schematic diagram according to a kind of thread cartridge direct acting relief valve spool of the utility model embodiment.
In figure:
1, valve body；2, locking nut；3, internal screw thread one；4, adjusting screw rod；5, gasket one；6, external screw thread one；7, external screw thread
Two；8, internal screw thread two；9, sealing ring one；10, spring；11, gasket two；12, spool；13, valve seat；14, external screw thread three；15, recessed
Slot one；16, groove two；17, opening one；18, opening two；19, sealing ring three；20, sealing ring two.
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 thread cartridge direct acting overflow valve.
Now in conjunction with the drawings and specific embodiments, the present invention will be further described, as shown in Figure 1-3, it is practical according to this
The thread cartridge direct acting overflow valve of new embodiment, the locking nut 2 including valve body 1 and positioned at 1 side of valve body, the valve
Body 1 is cavity structure, and the inside of the locking nut 2 is equipped with internal screw thread 1, and the inside of the locking nut 2, which is run through, is equipped with one
End extends to the adjusting screw rod 4 inside the valve body 1, is equipped between the valve body 1 and the locking nut 2 and is sheathed on the tune
The gasket 1 outside screw rod 4 is saved, the outside of the adjusting screw rod 4 is equipped with external screw thread 1 compatible with the internal screw thread 1
Be located at one 6 side of external screw thread external screw thread 27, the valve body 1 close to the locking nut 2 one end inside be equipped with
The compatible internal screw thread 28 of the external screw thread 27, the outer cover of the adjusting screw rod 4, which is equipped with, is located at 1 inside of valve body and position
Sealing ring 1 between the gasket 1 and the external screw thread 27, the side of the adjusting screw rod 4, which is equipped with, is located at the valve
Gasket 2 11 inside body 1 and the spring 10 positioned at 2 11 side of gasket, the inside of the spring 10, which is run through, spool 12,
The spool 12 is equipped with the valve seat 13 being located at outside the spring 10 far from one end of the gasket 2 11, and the valve body 1 is remote
One end from the locking nut 2 is equipped with external screw thread 3 14, and the outside of the valve body 1 is equipped with close to the recessed of the external screw thread 3 14
Slot 1 is arranged with the groove 2 16 positioned at one 15 side of groove on the valve body 1.
With the aid of the technical scheme, connect with the engagement of external screw thread 1 by internal screw thread 1 and external screw thread 27 with
The engagement of internal screw thread 28 connects, and effectively raises the installation of valve, while being convenient for rotation lock nut 2 and adjusting screw rod 4,
And then carry out the precompressed amount of adjustment spring 10, the use scope of overflow valve is effectively increased, the using effect of overflow valve is improved,
The design uses simple threaded form, easy to operate, easy-to-use, substantially increases the working efficiency of overflow valve.
As shown in Figs. 1-2, in one embodiment, for above-mentioned valve body 1, the valve body 1 and the valve seat 13 are equal
For T-shaped structure.It is T-type structure by the valve body 1 of setting, is easily installed and dismantles, while being T-shaped structure by valve seat 13, mentions
The high sealing effect of overflow valve, substantially increases the performance of overflow valve.
As shown in Fig. 2, in one embodiment, for above-mentioned valve body 1, the valve body 1 is close to the external screw thread three
14 side is equipped with opening 1 and the opening 2 18 positioned at one 17 sides of the opening, and the diameter of the opening 1 is greater than institute
State the diameter of opening 2 18.Be greater than opening 2 18 by setting opening 1, enter overflow valve convenient for liquid, at the same be convenient for so that
13 backstop of valve seat opening 2 18, and then control the folding effect of overflow valve.
As shown in Fig. 2, in one embodiment, for above-mentioned valve seat 13, the valve seat 13 is far from the spring 10
One end extend to it is described opening 2 18 inside.
As shown in Fig. 2, in one embodiment, for above-mentioned groove 1, the inside of the groove 1 is arranged
There is sealing ring 2 20, is arranged with sealing ring 3 19 on the groove 2 16.By the sealing ring 2 20 and sealing ring 3 19 of setting,
The sealing performance for increasing overflow valve improves the compactness of overflow valve, increases the using effect of overflow valve.
As shown in Fig. 2, in one embodiment, for above-mentioned sealing ring 1, the sealing ring 1, the sealing
Enclose 3 19 and the sealing ring 2 20 be axle sealing ring, and the diameter phase of the sealing ring 1 and the sealing ring 2 20
Deng.The sealing ring 1 is consistent with the material of the sealing ring 2 20.
Working principle: in use, one end of valve seat 13 keeps out and is open 2 18, so that overflow valve is in air-tight state, when
When the outside of overflow valve is communicated with liquid, so that liquid is entered by opening 1, so that the effect of being under pressure of valve seat 13,
When fluid pressure is larger, valve seat 13 and opening 2 18 will push far from pushing spool 12 mobile in turn, so that valve seat 13 compresses
Spring 10 so that spring 10 is squeezed and generates opposition, and passes through locking nut 2, internal screw thread 1, outer spiral shell
The setting of line 27 and internal screw thread 28 convenient for adjusting adjusting screw rod 4, and then changes the pressure of spring 10, final effectively to change
The oil pressure relief of overflow valve.
In conclusion by means of the above-mentioned technical proposal of the utility model, pass through nibbling for internal screw thread 1 and external screw thread 1
It closes connection and external screw thread 27 is connect with the engagement of internal screw thread 28, effectively raise the installation of valve, while convenient for rotation
Locking nut 2 and adjusting screw rod 4, and then carry out the precompressed amount of adjustment spring 10, the use scope of overflow valve is effectively increased, is mentioned
The high using effect of overflow valve, the design uses simple threaded form, easy to operate, easy-to-use, greatly improves
The working efficiency of overflow valve.
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 (6)
1. a kind of thread cartridge direct acting overflow valve, which is characterized in that including valve body (1) and positioned at the lock of the valve body (1) side
Tight nut (2), the valve body (1) are cavity structure, and the inside of the locking nut (2) is equipped with internal screw thread one (3), the locking
The inside of nut (2), which is run through, to be equipped with one end and extends to the internal adjusting screw rod (4) of the valve body (1), the valve body (1) with it is described
It is equipped between locking nut (2) and is sheathed on the external gasket one (5) of the adjusting screw rod (4), the outside of the adjusting screw rod (4)
Equipped with external screw thread one (6) compatible with the internal screw thread one (3) and positioned at the external screw thread two of external screw thread one (6) side
(7), the valve body (1) is equipped with inside the one end of the locking nut (2) with the external screw thread two (7) compatible interior spiral shell
Line two (8), the outer cover of the adjusting screw rod (4), which is equipped with, to be located at the valve body (1) inside and is located at the gasket one (5) and institute
The sealing ring one (9) between external screw thread two (7) is stated, the side of the adjusting screw rod (4), which is equipped with, is located at the valve body (1) inside
Gasket two (11) and the spring (10) for being located at gasket two (11) side, the inside of the spring (10), which is run through, spool
(12), the spool (12) is equipped with far from one end of the gasket two (11) is located at the spring (10) external valve seat (13),
And the valve body (1) is equipped with external screw thread three (14) far from the one end of the locking nut (2), the outside of the valve body (1) is equipped with
Close to the groove one (15) of the external screw thread three (14), it is arranged on the valve body (1) positioned at groove one (15) side
Groove two (16).
2. a kind of thread cartridge direct acting overflow valve according to claim 1, which is characterized in that the valve body (1) with it is described
Valve seat (13) is T-shaped structure.
3. a kind of thread cartridge direct acting overflow valve according to claim 1, which is characterized in that the valve body (1) is close to institute
The side for stating external screw thread three (14) is equipped with one (17) of opening and is located at the opening two (18) of one (17) side of the opening, described to open
The diameter of one (17) of mouth is greater than the diameter of two (18) of the opening.
4. a kind of thread cartridge direct acting overflow valve according to claim 3, which is characterized in that the valve seat (13) is far from institute
The one end for stating spring (10) extends to the inside of two (18) of the opening.
5. a kind of thread cartridge direct acting overflow valve according to claim 1, which is characterized in that the groove one (15) it is interior
Portion is arranged with sealing ring two (20), is arranged with sealing ring three (19) on the groove two (16).
6. a kind of thread cartridge direct acting overflow valve according to claim 1, which is characterized in that the sealing ring one (9), institute
It states sealing ring three (19) and the sealing ring two (20) is axle sealing ring, and the sealing ring one (9) and the sealing ring
The diameter of two (20) is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821534875.XU CN208831369U (en) | 2018-09-20 | 2018-09-20 | A kind of thread cartridge direct acting overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821534875.XU CN208831369U (en) | 2018-09-20 | 2018-09-20 | A kind of thread cartridge direct acting overflow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208831369U true CN208831369U (en) | 2019-05-07 |
Family
ID=66313935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821534875.XU Expired - Fee Related CN208831369U (en) | 2018-09-20 | 2018-09-20 | A kind of thread cartridge direct acting overflow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208831369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324077A (en) * | 2021-04-16 | 2021-08-31 | 江苏富鑫机械制造有限公司 | High-pressure safety overflow valve with stable sealing |
| CN116972205A (en) * | 2023-09-04 | 2023-10-31 | 杜商精机（嘉兴）有限公司 | High-safety overflow valve with buffering function |
-
2018
- 2018-09-20 CN CN201821534875.XU patent/CN208831369U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324077A (en) * | 2021-04-16 | 2021-08-31 | 江苏富鑫机械制造有限公司 | High-pressure safety overflow valve with stable sealing |
| CN113324077B (en) * | 2021-04-16 | 2023-03-14 | 江苏富鑫机械制造有限公司 | High-pressure safety overflow valve with stable sealing |
| CN116972205A (en) * | 2023-09-04 | 2023-10-31 | 杜商精机（嘉兴）有限公司 | High-safety overflow valve with buffering function |
| CN116972205B (en) * | 2023-09-04 | 2023-12-29 | 杜商精机（嘉兴）有限公司 | High-safety overflow valve with buffering function |
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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 |
Granted publication date: 20190507 Termination date: 20210920 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |