CN204403475U - A kind of convenient Roots blower safety valve regulated - Google Patents
A kind of convenient Roots blower safety valve regulated Download PDFInfo
- Publication number
- CN204403475U CN204403475U CN201520000454.9U CN201520000454U CN204403475U CN 204403475 U CN204403475 U CN 204403475U CN 201520000454 U CN201520000454 U CN 201520000454U CN 204403475 U CN204403475 U CN 204403475U
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- China
- Prior art keywords
- valve body
- convenient
- safety valve
- roots blower
- hole
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Abstract
The utility model discloses a kind of convenient Roots blower safety valve regulated, comprise valve body, the lower end of described valve body is connected with Disc holder, flap is provided with at the opening of described Disc holder, relief hole is offered at described valve body avris, guide through hole is provided with in described valve body, the spring seat that can slide up and down is provided with in described guide through hole, the bottom of described spring seat is corresponding with spring to be connected, described lower spring end is corresponding with flap to be connected, the top of described spring seat is corresponding with adjustable lever to be connected, the upper end of described adjustable lever is corresponding with swivel assembly to be connected, the avris of described swivel assembly is threaded with dial, described dial is corresponding with valve body to be connected.The utility model directly turns with hand the adjustment that swivel assembly just can realize setting pressure, convenient and swift; Observe dial and just can get information about very much the current setting pressure of safety valve.
Description
Technical field
The utility model relates to a kind of safety valve, especially a kind of convenient Roots blower safety valve regulated.
Background technique
Roots blower is the one of positive displacement blower fan, two impellers are wherein had to relatively rotate in the space sealed by casing and wallboard, air quantity and the revolution of impeller of conveying are proportional, the steam outlet pipe air pressure of roots blower is larger, why prevent fortuitous event from causing damage to blower fan, usually on the air outlet tube of blower fan, be provided with safety valve, guarantee Open valve pressure release before air outlet tube air pressure reaches the pressure upper limit of blower fan.Because blower fan manufacture and safety valve manufacture belong to different producers, according to the use field of blower fan, the design pressure upper limit of blower fan is different, and in order to match with the design pressure upper limit of blower fan, therefore, the setting pressure of Generally Recognized as safe valve can regulate.In prior art, carrying out adjustment to the setting pressure of Roots blower safety valve is carry out rotation adjusting lever by instruments such as spanners, is inconvenient to regulate; Difference along with Environmental Conditions needs to regulate setting, relies on the experience of operator completely to tighten and unscrew the adjustment of setting pressure, lacks and objectively regulates reference, there is certain potential safety hazard.
Model utility content
Be inconvenient to overcome the setting pressure of Roots blower safety valve in prior art the defect regulated, a kind of convenient Roots blower safety valve regulated is provided.
The utility model is realized by following proposal:
A kind of convenient Roots blower safety valve regulated, comprise valve body, the lower end of described valve body is connected with Disc holder, flap is provided with at the opening of described Disc holder, relief hole is offered at described valve body avris, guide through hole is provided with in described valve body, the spring seat that can slide up and down is provided with in described guide through hole, the bottom of described spring seat is corresponding with spring to be connected, described lower spring end is corresponding with flap to be connected, the top of described spring seat is corresponding with adjustable lever to be connected, the upper end of described adjustable lever is corresponding with swivel assembly to be connected, the avris of described swivel assembly is threaded with dial, described dial is corresponding with valve body to be connected.
The top of described flap is corresponding with guide sleeve to be connected, and the top of described guide sleeve is enclosed within guide through hole inside.
Offer screw at the avris of described dial, offer at described valve body avris the annular groove matched with screw, standing screw arrives in annular groove through screw, and described standing screw can be fastened in annular groove diapire.
O type circle is provided with between described valve body and swivel assembly.
Described valve body is provided with ring-shaped step, and described O type snare is connected on ring-shaped step, and limited ring compresses.
Described Disc holder is curved surface protruding upward, offers through hole at its peak, the step-like structure that described flap is formed in one, and its underpart is the boss matched with described Disc holder through hole.
Described relief hole is at least one, and is uniformly distributed in the avris of valve body.
The beneficial effects of the utility model are:
1, the degree of tightness of swivel assembly Regulation spring of a kind of convenient Roots blower safety valve regulated of the utility model by being threaded with dial, and then the setting pressure of the flap be connected with spring is regulated, direct hand turns the adjustment that swivel assembly just can realize setting pressure, convenient and swift, avoiding in prior art also need loaded down with trivial details by spanner;
2, a kind of convenient Roots blower safety valve regulated of the utility model is provided with scale plate, after calibrating, just can get information about very much the current setting pressure of safety valve by observing dial;
3, the top of the flap of a kind of convenient Roots blower safety valve regulated of the utility model is connected with guide sleeve, and the top of guide sleeve is enclosed within guide through hole inside, flap can only slide up and down along with guide sleeve, and the flap of such safety valve can avoid the problem that cannot reset after unlatching;
4, a kind of convenient Roots blower safety valve regulated of the utility model offers relief hole at valve body avris, instead of the pressure release passage of prior art, makes structure of the present utility model simple, reduce cost of production;
5, a kind of convenient Roots blower safety valve regulated of the utility model is provided with O type circle between valve body and swivel assembly, ensure that safety valve pressure release from relief hole when opening, avoiding pressurized gas crossfire to form potential safety hazard;
6, the standing screw of a kind of convenient Roots blower safety valve regulated of the utility model arrives in annular groove through screw, the vertical position of dial can be limited, for swivel assembly provides a primary standard substance rotated, when needs calibrated dial, only need to allow standing screw and annular groove diapire depart from, just can to calibrating to correct scale, after calibration completes, standing screw is fastened in annular groove diapire, avoids dial to rotate and form error;
7, the Disc holder of a kind of convenient Roots blower safety valve regulated of the utility model is curved surface protruding upward, and curved surface protruding upward reduces the resistance of air outlet tube in the normal using process of blower fan.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of convenient Roots blower safety valve regulated of the utility model;
In figure: 1 is valve body, 2 is Disc holder, and 3 is flap, and 4 is guide through hole, and 5 is spring seat, and 6 is spring, and 7 is adjustable lever, and 8 is swivel assembly, and 9 is dial, and 10 is relief hole, and 11 is guide sleeve, and 12 is standing screw, and 13 is O type circle, and 14 is limited ring.
Embodiment
Below in conjunction with Fig. 1, the utility model preferred embodiment is further illustrated:
A kind of convenient Roots blower safety valve regulated, comprise valve body 1, in use, the bottom of valve body 1 is corresponding with the air outlet tube of roots blower to be communicated with, the lower end of described valve body 1 is connected with Disc holder 2, flap 3 is provided with at the opening of described Disc holder 2, relief hole 10 is offered at described valve body 1 avris, guide through hole 4 is provided with in described valve body 1, the spring seat 5 that can slide up and down is provided with in described guide through hole 4, the bottom of described spring seat 5 is corresponding with spring 6 to be connected, described spring 6 lower end is corresponding with flap 3 to be connected, the top of described spring seat 5 is corresponding with adjustable lever 7 to be connected, the upper end of described adjustable lever 7 is corresponding with swivel assembly 8 to be connected, the avris of described swivel assembly 8 is threaded with dial 9, described dial 9 is corresponding with valve body 1 to be connected.After calibrating, just can get information about very much the current setting pressure of safety valve by observing dial 9.By rotating the swivel assembly 8 be threaded with dial 9, the adjustable lever 7 be connected with swivel assembly 8 is moved up and down in guide through hole 4, and then drive the spring seat 5 be connected with adjustable lever 7 to move up and down, change the tightness of spring 6 in this way, and then the setting pressure of the flap 3 be connected with spring 6 is regulated, direct hand turns the adjustment that swivel assembly 8 just can realize setting pressure, convenient and swift, and avoiding in prior art also need loaded down with trivial details by spanner.
The top of described flap 3 is corresponding with guide sleeve 11 to be connected, and the top of described guide sleeve 11 is enclosed within guide through hole 4 inside, and flap 3 can only slide up and down along with guide sleeve 11, and the flap 3 of such safety valve can avoid the problem that cannot reset after unlatching.
Offer screw at the avris of described dial 9, offer at described valve body 1 avris the annular groove matched with screw, standing screw 12 arrives in annular groove through screw, and described standing screw 12 can be fastened in annular groove diapire.Standing screw 12 can limit the vertical position of dial 9, for swivel assembly 8 provides a primary standard substance rotated, when needs calibrated dial 9, only need to allow standing screw 12 and annular groove diapire depart from, just can to calibrating to correct scale, after calibration completes, standing screw 12 is fastened in annular groove diapire, avoids dial 9 to rotate and form error.
O type circle 13 is provided with between described valve body 1 and swivel assembly 8.Described valve body 1 is provided with ring-shaped step, and described O type circle 13 is socketed on ring-shaped step, and limited ring 14 compresses.Ensure that safety valve pressure release from relief hole 10 when opening, avoiding pressurized gas crossfire to form potential safety hazard.
Described Disc holder 2 is curved surface protruding upward, offers through hole at its peak, the step-like structure that described flap 3 is formed in one, and its underpart is the boss matched with described Disc holder 2 through hole.Curved surface protruding upward reduces the resistance of air outlet tube in the normal using process of blower fan.
Described relief hole 10 is at least one, and is uniformly distributed in the avris of valve body 1.Offer relief hole 10 at valve body avris, instead of the pressure release passage of prior art, make structure of the present utility model simple, reduce cost of production.
Although done comparatively detailed elaboration to the technical solution of the utility model and enumerated; be to be understood that; to those skilled in the art; amendment is made to above-described embodiment or adopts equivalent replacement scheme; this is apparent to those skilled in the art; these modifications or improvements on the basis of not departing from the utility model spirit, all belong to the scope that the utility model is claimed.
Claims (7)
1. the convenient Roots blower safety valve regulated, comprise valve body (1), the lower end of described valve body (1) is connected with Disc holder (2), it is characterized in that: be provided with flap (3) at the opening of described Disc holder (2), relief hole (10) is offered at described valve body (1) avris, guide through hole (4) is provided with in described valve body (1), the spring seat that can slide up and down (5) is provided with in described guide through hole (4), the bottom of described spring seat (5) is corresponding with spring (6) to be connected, described spring (6) lower end is corresponding with flap (3) to be connected, the top of described spring seat (5) is corresponding with adjustable lever (7) to be connected, the upper end of described adjustable lever (7) is corresponding with swivel assembly (8) to be connected, the avris of described swivel assembly (8) is threaded with dial (9), described dial (9) is corresponding with valve body (1) to be connected.
2. a kind of convenient Roots blower safety valve regulated according to claim 1, is characterized in that: the top of described flap (3) is corresponding with guide sleeve (11) to be connected, and the top of described guide sleeve (11) is enclosed within guide through hole (4) inside.
3. a kind of convenient Roots blower safety valve regulated according to claim 1, it is characterized in that: offer screw at the avris of described dial (9), the annular groove matched with screw is offered at described valve body (1) avris, standing screw (12) arrives in annular groove through screw, and described standing screw (12) can be fastened in annular groove diapire.
4. a kind of convenient Roots blower safety valve regulated according to claim 1, is characterized in that: between described valve body (1) and swivel assembly (8), be provided with O type circle (13).
5. a kind of convenient Roots blower safety valve regulated according to claim 4, it is characterized in that: described valve body (1) is provided with ring-shaped step, described O type circle (13) is socketed on ring-shaped step, and limited ring (14) compresses.
6. a kind of convenient Roots blower safety valve regulated according to claim 1, it is characterized in that: described Disc holder (2) is curved surface protruding upward, through hole is offered at its peak, the step-like structure that described flap (3) is formed in one, its underpart is the boss matched with described Disc holder (2) through hole.
7. a kind of convenient Roots blower safety valve regulated according to claim 1, is characterized in that: described relief hole (10) is at least one, and is uniformly distributed in the avris of valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520000454.9U CN204403475U (en) | 2015-01-04 | 2015-01-04 | A kind of convenient Roots blower safety valve regulated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520000454.9U CN204403475U (en) | 2015-01-04 | 2015-01-04 | A kind of convenient Roots blower safety valve regulated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204403475U true CN204403475U (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520000454.9U Expired - Fee Related CN204403475U (en) | 2015-01-04 | 2015-01-04 | A kind of convenient Roots blower safety valve regulated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204403475U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299306A (en) * | 2015-11-13 | 2016-02-03 | 广东联塑科技实业有限公司 | Combined adjusting hand wheel device |
| CN107676327A (en) * | 2017-11-23 | 2018-02-09 | 王雅莲 | Automatically the adjustable overflow valve calibrated |
| CN107676326A (en) * | 2017-11-23 | 2018-02-09 | 王雅莲 | Automatically the overflow valve calibrated |
| CN109915634A (en) * | 2019-04-24 | 2019-06-21 | 中航光电科技股份有限公司 | Crimp head is unloaded with handoff functionality |
| CN110255085A (en) * | 2019-05-14 | 2019-09-20 | 大连广的科技有限公司 | Tailing wheel of bucket elevator counter weight device |
-
2015
- 2015-01-04 CN CN201520000454.9U patent/CN204403475U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299306A (en) * | 2015-11-13 | 2016-02-03 | 广东联塑科技实业有限公司 | Combined adjusting hand wheel device |
| CN107676327A (en) * | 2017-11-23 | 2018-02-09 | 王雅莲 | Automatically the adjustable overflow valve calibrated |
| CN107676326A (en) * | 2017-11-23 | 2018-02-09 | 王雅莲 | Automatically the overflow valve calibrated |
| CN109915634A (en) * | 2019-04-24 | 2019-06-21 | 中航光电科技股份有限公司 | Crimp head is unloaded with handoff functionality |
| CN109915634B (en) * | 2019-04-24 | 2020-01-17 | 中航光电科技股份有限公司 | Pressure relief connector with switching function |
| CN110255085A (en) * | 2019-05-14 | 2019-09-20 | 大连广的科技有限公司 | Tailing wheel of bucket elevator counter weight device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20170104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |