CN204004752U - A kind ofly be with fool proof switch valve - Google Patents
A kind ofly be with fool proof switch valve Download PDFInfo
- Publication number
- CN204004752U CN204004752U CN201420428868.7U CN201420428868U CN204004752U CN 204004752 U CN204004752 U CN 204004752U CN 201420428868 U CN201420428868 U CN 201420428868U CN 204004752 U CN204004752 U CN 204004752U
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- valve
- enter
- pressure
- gland nut
- pressure measurement
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- Expired - Fee Related
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Abstract
The utility model relates to a kind of fool proof switch valve of being with, comprise valve body, enter valve joint and gland nut, described valve body has into valve portion, describedly enter in valve portion to be provided with into valve opening, describedly enter valve opening bottom and have into the valve circle conical surface, describedly enter valve joint one end and enter in valve opening described in being arranged on, and this end have can with described enter that the valve circle conical surface forms linear sealing enter valve ball face, describedly enter on valve joint to be also provided with into valve flange, on described gland nut, have with described and enter the pressing plate and the tapped hole being connected with described valve body spiral that valve flange coordinates, described gland nut is also provided with for described gland nut is fastened on to the fastening screw trip bolt on described valve body on the side of described tapped hole.By tightening gland nut, make the valve ball face that enters on valve joint be in contact with one another formation linear sealing with the valve circle conical surface that enters entering in valve opening, realize closing of valve, otherwise, unscrew gland nut and can realize the unlatching of valve, simple in structure easy to use.
Description
Technical field
The utility model relates to a kind of switch valve of container, especially a kind of fool proof switch valve of being with of fire extinguisher that can be used for.
Background technique
Being arranged at present switch valve on gas fire extinguisher generally all adopts nut lock to compress or the method for unclamping spool is carried out the unlatching of control switch valve or closes, the simple and practical convenience of this class switch valve structure, but there is certain potential safety hazard, when user needs Open valve inflation, if outwarded winding, the speed of nut is too fast, spool or gas-charging connection may be to fly out at a high speed under the effect of air pressure, injury user and Field Force.
In addition, current gas fire extinguisher does not generally have setting pressure table, cannot obtain intuitively the air pressure in fire extinguisher, during use, may produce erroneous judgement, although pressure gauge is installed on a small amount of fire extinguisher, the pressure gauge on these fire extinguishers or for a long time in pressured state, easily cause the Leakage Gas in fire extinguisher, only in jet, can observe pressure state, convenient not, still have further improved space.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, fool proof switch valve of being with of using safety.
To achieve these goals, the utility model adopts following technological scheme:
A kind ofly be with fool proof switch valve, comprise valve body, also include valve joint and for entering valve joint and be arranged on the gland nut on described valve body described, described valve body has into valve portion, describedly enter in valve portion to be provided with into valve opening, describedly enter valve opening bottom and have into the valve circle conical surface, describedly enter valve joint one end and enter in valve opening described in being arranged on, and this end have can with described enter that the valve circle conical surface forms linear sealing enter valve ball face, describedly enter on valve joint to be also provided with into valve flange, on described gland nut, have with described and enter the pressing plate and the tapped hole being connected with described valve body spiral that valve flange coordinates, described gland nut is also provided with for described gland nut is fastened on to the fastening screw trip bolt on described valve body on the side of described tapped hole.
Adopt technique scheme, by tightening gland nut, make the valve ball face that enters on valve joint be in contact with one another formation linear sealing with the valve circle conical surface that enters entering in valve opening, can realize closing of valve, otherwise, unscrew gland nut and can realize the unlatching of valve, simple in structure easy to use.In addition, due to fastening screw trip bolt being installed on gland nut, while unscrewing gland nut, gland nut is not easy to be ejected by air pressure, is about to fastening screw trip bolt as safety installations, uses safety.
As further improvement of the utility model, described in enter in valve portion, be provided with coordinate with described fastening screw trip bolt enter valve restraining groove.By above-mentioned improvement, fastening screw trip bolt does not need to lock too tightly, only need stretch into into valve restraining groove and can prevent that gland nut from being ejected by air pressure, and gland nut is more smooth and easy when tightening or unscrew like this.
As of the present utility model, further improve, the fool proof switch valve of the utility model band also comprises pressure gauge, also has pressure measurement portion on described valve body, in described pressure measurement portion, is provided with pressure tap, and described pressure tap is connected with described pressure gauge.By above-mentioned improvement, make switch valve there is the function of measuring valve internal air pressure.
As of the present utility model, further improve again, the fool proof switch valve of the utility model band, also comprise pressure measuring tie-in, described pressure measuring tie-in one end is provided with described pressure gauge, the other end is arranged in described pressure tap, described pressure tap bottom has pressure measurement conical surface, one end that described pressure measuring tie-in is arranged in described pressure tap has and can form the pressure measurement sphere of linear sealing with described pressure measurement conical surface, is also provided with the pressure measurement flange that can coordinate with the described pressing plate of described gland nut on described pressure measuring tie-in.By above-mentioned improvement, pressure gauge can use when needed, while not needing, by pressure measurement nut, closes, and prevents Leakage Gas.
As of the present utility model, further improve again, in described pressure measurement portion, be provided with the pressure measurement restraining groove coordinating with described fastening screw trip bolt.By above-mentioned improvement, pressure measurement fastening screw trip bolt does not need to lock too tightly, only need stretch into pressure measurement restraining groove can prevent that pressure measurement nut from being ejected by air pressure, makes the pressure measurement nut can be more smooth and easy when tightening or unscrew.
Accompanying drawing explanation
Fig. 1 is the structural representation of the fool proof switch valve of the utility model band;
Fig. 2 is the valve body structure schematic diagram of the fool proof switch valve of the utility model band;
Fig. 3 be the fool proof switch valve of the utility model band enter valve joint structural representation;
Fig. 4 is the gland nut structural representation of the fool proof switch valve of the utility model band;
Fig. 5 is the pressure measuring tie-in structural representation of the fool proof switch valve of the utility model band.
In figure, corresponding sign is as follows:
1-valve body; 1a-enters valve portion;
1b-goes out valve portion; 1c-pressure measurement portion;
11-enters valve opening; 11a-enters the valve circle conical surface;
12-goes out valve opening; 13-pressure tap;
13a-pressure measurement conical surface; 14-external thread section;
15-external thread section; 16-enters valve restraining groove;
17-pressure measurement restraining groove; 2-enters valve joint;
21-enters valve ball face; 22-external thread section;
23-blind hole; 24-through hole;
25-seal ring; 26-enters valve flange;
3-gland nut; 31-pressing plate;
32-tapped hole; 4-fastening screw trip bolt;
5-pressure gauge; 6-pressure measuring tie-in;
61-pressure measurement sphere; 62-counterbore;
63-blind hole; 64-through hole;
65-seal ring; 66-pressure measurement flange.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1, the present embodiment provides is with fool proof switch valve, comprise valve body 1, enter valve joint 2 and for being arranged on the gland nut 3 on valve body 1 by entering valve joint 2 or pressure measuring tie-in 6, as shown in Figure 2, valve body 1 has into the 1a of valve portion, goes out the 1b of valve portion and the 1c of pressure measurement portion, enter on the 1a of valve portion and be provided with into valve opening 11 and external thread section 14, go out on the 1b of valve portion and be provided with out valve opening 12, and be connected with container, on the 1c of pressure measurement portion, be provided with pressure tap 13 and external thread section 15, enter valve opening 11, go out valve opening 12 and pressure tap 13 passage by valve body 1 inside and be interconnected.
As shown in Figure 1-Figure 3, entering valve opening 11 bottoms has into valve circle conical surface 11a, entering valve joint 2 one end is arranged in valve opening 11, entering valve joint 2 has one section to insert into valve opening 11 inside, enter simultaneously valve joint 2 be arranged on this one end into valve opening 11 have can with enter that valve circle conical surface 11a forms linear sealing enter valve ball face 21; Enter on the other end of valve joint 2 and be provided with the external thread section 22 being connected with gas ducting, and on the end face of this one end, also offer a blind hole 23, the bottom of blind hole 23 is positioned near the position that enters valve ball face 21.Enter valve joint 2 and be less than the diameter into valve opening 11 near the external diameter that enters valve ball face 21 positions, and on this position, be also provided with the through hole 24 being interconnected with blind hole 23, in order to prevent gas, from the clearance leakage that enters valve joint 2 and enter between valve opening 11, go out, enter in valve joint 2 this section in inserting valve opening 11 seal ring 25 is also installed, seal ring 25 is arranged on valve opening 11 oral areas and enters on the position between the through hole 24 of valve joint 2.Enter on valve joint 2 and be also provided with into valve flange 26, enter valve flange 26 and be arranged on valve joint 2 and do not insert on a section of valve opening 11.
As shown in Figure 4, on gland nut 3, have and the tapped hole 32 that enters pressing plate 31 that valve flange 26 coordinates and be connected with external thread section 14 spirals with valve body 1, gland nut 3 is also provided with for gland nut 3 being fastened on to the fastening screw trip bolt 4 on valve body 1 on the side of tapped hole 32.As shown in Figure 2, valve body 1 enter the 1a of valve portion on the corresponding position coordinating with fastening screw trip bolt 4, be provided with coordinate with fastening screw trip bolt 4 enter valve restraining groove 16, enter that valve restraining groove 16 need to have certain width so that fastening screw trip bolt 4 can move along the width direction that enters valve restraining groove 16.
Use the present embodiment be with fool proof switch valve to close time, only need tighten and the gland nut 3 that enters valve joint 2 and match, pressing plate 31 on gland nut 3 drives into valve joint 2 and moves toward entering valve opening 11 directions by entering flange 26 on valve joint 2, make into valve ball face 21 and enter valve circle conical surface 11a close contact to form linear sealing, afterwards fastening screw trip bolt 4 is locked in valve restraining groove 16, certainly fastening screw trip bolt 4 can not locked yet, only the afterbody of fastening screw trip bolt 4 need be stretched in valve restraining groove 16, like this can closing switch valve.
In the time of need to opening switch valve inflation, joint spiral on gas ducting is connected on the external thread section 22 of valve joint 2, unscrew corresponding fastening screw trip bolt 4, but need guarantee that its afterbody still has one end still in entering valve restraining groove 16, under the effect of screw gas in valve, eject suddenly preventing, then unscrew gland nut 3 and make into valve ball face 21 and enter valve circle conical surface 11a separately, the gas being filled with can and enter valve ball face 21 and enter in the gap inflow valve between valve circle conical surface 11a along blind hole 23, through hole 24.
As shown in Figure 1, the fool proof switch valve of being with that the present embodiment provides also comprises pressure gauge 5, pressure measuring tie-in 6, pressure gauge 5 can be pressure gauge common in prior art, pressure measuring tie-in 6 one end are provided with pressure gauge 5, the other end is arranged in pressure tap 13, be that pressure measuring tie-in 6 has one section to insert pressure tap 13 inside, the structure of this section is identical with entering one section that valve joint 2 inserts in valve opening 11.As shown in Figure 2, pressure tap 13 bottoms have pressure measurement conical surface 13a, as shown in Figure 1 and Figure 5, pressure measuring tie-in 6 is arranged on one end in pressure tap 13 to be had and can form with pressure measurement conical surface 13a the pressure measurement sphere 61 of linear sealing, the other end is provided with the counterbore 62 for setting pressure table 5, the shape of counterbore 62 and size can arrange according to actual needs, in the present embodiment, on counterbore 62, are provided with internal thread.Counterbore 62 bottoms also offer a blind hole 63, and the bottom of blind hole 63 is positioned at the position near pressure measurement sphere 61.Pressure measuring tie-in 6 is less than the diameter of pressure tap 13 near the external diameter of pressure measurement sphere 61 positions, and on this position, be also provided with the through hole 64 being interconnected with blind hole 63, in order to prevent gas, from the clearance leakage between pressure measuring tie-in 6 and pressure tap 13, go out, in pressure measuring tie-in 6 this section in inserting pressure tap 13, seal ring 65 is also installed, seal ring 65 is arranged on the position between pressure tap 13 oral areas and the through hole 64 of pressure measuring tie-in 6.Valve joint 2 is similar with entering, and is also provided with pressure measurement flange 66 on pressure measuring tie-in 6, and pressure measurement flange 66 is arranged on pressure measuring tie-in 6 and does not insert on a section of valve opening 11.
Pressure measuring tie-in 6 is to be also arranged on the 1c of pressure measurement portion of valve body 1 by gland nut 3, pressing plate 31 on gland nut 3 cooperatively interacts with pressure measurement flange 66, tapped hole 32 on gland nut 3 can be connected with external thread section 15 spirals with valve body 1, and the fastening screw trip bolt 4 of gland nut 3 on the side of tapped hole 32 can be fastened on gland nut 3 on valve body 1.As shown in Figure 2, the 1c of pressure measurement portion of valve body 1 is provided with the pressure measurement restraining groove 17 coordinating with fastening screw trip bolt 4 on the corresponding position coordinating with fastening screw trip bolt 4, equally, pressure measurement restraining groove 17 need to have certain width so that fastening screw trip bolt 4 can move along the width direction of pressure measurement restraining groove 17.
When not needing measuring pressure, only need tighten the gland nut 3 matching with pressure measuring tie-in 6, pressing plate 31 on gland nut 3 drives pressure measuring tie-in 6 to move toward pressure tap 13 directions by the flange 66 on pressure measuring tie-in 6, make pressure measurement sphere 61 and pressure measurement conical surface 13a close contact form linear sealing, afterwards fastening screw trip bolt 4 is locked in pressure measurement restraining groove 17, same, fastening screw trip bolt 4 can not locked yet, only the afterbody of fastening screw trip bolt 4 need be stretched in pressure measurement restraining groove 17, pressure gauge 5 is not subject to gas pressure like this, in initial installation.
While needing measuring pressure, unscrew corresponding fastening screw trip bolt 4, but need guarantee that its afterbody still has one end still in pressure measurement restraining groove 17, under the effect of screw gas in valve, eject suddenly preventing, then unscrewing gland nut 3 makes pressure measurement sphere 61 and enters valve circle conical surface 13a separately, gas in valve can flow into pressure tap 13 along the gap between pressure measurement sphere 61 and pressure measurement conical surface 13a, then by through hole 64, flow into blind hole 63, contact and exert pressure with the pressure gauge 5 being arranged on counterbore 62, pressure gauge 5 shows corresponding force value according to suffered gas pressure.
By reference to the accompanying drawings the utility model has been done to detailed explanation above; but mode of execution of the present utility model is not limited in above-mentioned mode of execution; those skilled in the art can make various distortion to the utility model according to prior art; as by enter external thread section 22 on valve joint 2 change to gas ducting on the fast connecting structure that matches of joint etc., these all belong to protection domain of the present utility model.
Claims (5)
1. be with fool proof switch valve for one kind, comprise valve body, it is characterized in that, also include valve joint and for entering valve joint and be arranged on the gland nut on described valve body described, described valve body has into valve portion, describedly enter in valve portion to be provided with into valve opening, describedly enter valve opening bottom and have into the valve circle conical surface, describedly enter valve joint one end and enter in valve opening described in being arranged on, and this end have can with described enter that the valve circle conical surface forms linear sealing enter valve ball face, describedly enter on valve joint to be also provided with into valve flange, on described gland nut, have with described and enter the pressing plate and the tapped hole being connected with described valve body spiral that valve flange coordinates, described gland nut is also provided with for described gland nut is fastened on to the fastening screw trip bolt on described valve body on the side of described tapped hole.
2. be as claimed in claim 1ly with fool proof switch valve, it is characterized in that, described in enter in valve portion, be provided with coordinate with described fastening screw trip bolt enter valve restraining groove.
3. be as claimed in claim 1 or 2ly with fool proof switch valve, it is characterized in that, also comprise pressure gauge, also have pressure measurement portion on described valve body, in described pressure measurement portion, be provided with pressure tap, described pressure tap is connected with described pressure gauge.
4. be as claimed in claim 3ly with fool proof switch valve, it is characterized in that, also comprise pressure measuring tie-in, described pressure measuring tie-in one end is provided with described pressure gauge, the other end is arranged in described pressure tap, described pressure tap bottom has pressure measurement conical surface, and one end that described pressure measuring tie-in is arranged in described pressure tap has and can form the pressure measurement sphere of linear sealing with described pressure measurement conical surface, is also provided with the pressure measurement flange that can coordinate with the described pressing plate of described gland nut on described pressure measuring tie-in.
5. be as claimed in claim 4ly with fool proof switch valve, it is characterized in that, in described pressure measurement portion, be provided with the pressure measurement restraining groove coordinating with described fastening screw trip bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428868.7U CN204004752U (en) | 2014-07-31 | 2014-07-31 | A kind ofly be with fool proof switch valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428868.7U CN204004752U (en) | 2014-07-31 | 2014-07-31 | A kind ofly be with fool proof switch valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004752U true CN204004752U (en) | 2014-12-10 |
Family
ID=52044755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420428868.7U Expired - Fee Related CN204004752U (en) | 2014-07-31 | 2014-07-31 | A kind ofly be with fool proof switch valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI637121B (en) * | 2017-11-08 | 2018-10-01 | 極點股份有限公司 | Inflatable joint with pressure measuring function |
-
2014
- 2014-07-31 CN CN201420428868.7U patent/CN204004752U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI637121B (en) * | 2017-11-08 | 2018-10-01 | 極點股份有限公司 | Inflatable joint with pressure measuring function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160816 Address after: 362300 Quanzhou City, Fujian Province, the success of science and Technology Industrial Zone, Nanan Patentee after: FUJIAN TIANGUANG FIRE FIGHTING Co.,Ltd. Address before: 362300 Nanan Quanzhou Success Science and Technology Industrial Zone, Fujian Patentee before: TIANGUANG FIRE-FIGHTING INCORPORATED CO. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20210731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |