CN206910631U - The tube structure of hand fire extinguisher - Google Patents
The tube structure of hand fire extinguisher Download PDFInfo
- Publication number
- CN206910631U CN206910631U CN201720663548.3U CN201720663548U CN206910631U CN 206910631 U CN206910631 U CN 206910631U CN 201720663548 U CN201720663548 U CN 201720663548U CN 206910631 U CN206910631 U CN 206910631U
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- CN
- China
- Prior art keywords
- shell ring
- joint portion
- fire extinguisher
- upper cover
- tube structure
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Abstract
The utility model discloses the tube structure of hand fire extinguisher, the cylinder manufacturing process for solving common fire extinguisher is complicated, the problem of high processing costs, its drip irrigation device is, including valve seat, upper cover, shell ring and low head, the valve seat is located at the top among upper cover, and closely it is connected with upper cover, the upper part of the shell ring is inserted into inside upper cover and hermetically combined with upper cover, the low head includes the lower body portion to be played a supportive role below shell ring, it is used for the bottom of closed shell ring lower surface positioned at shell ring bottom surface, between lower body portion and bottom and it is resisted against the lower joint portion of shell ring lower edge, the lower body portion, lower joint portion, bottom forms an overall structure, once compacting forms, reach the purpose for reducing cylinder body of fire extinguisher manufacturing process flow.
Description
Technical field
It the utility model is related to the tube structure of fire extinguisher technical field, more particularly to hand fire extinguisher.
Background technology
The structure of existing hand fire extinguisher bottle includes integrally stretching or rolls into cylinder, installed in cylinder bottom
Low head, the upper cover installed in cylinder top, cylinder synthesize one with foundation ring set again after fastening girth welding with low head
Bottle part.
The Chinese patent literature for now retrieving one entitled the steel cylinder of polycrystalline substance " a kind of improve " discloses one kind and changed
The low head entered, the oblique gear section and diameter that the bottom of the steel cylinder of the improvement polycrystalline substance gradually tapers up with diameter are further received
Contracting is cased with foundation ring in the periphery of the undergauge section, the angle of inclination of the tiltedly gear section is 10~30 degree until the undergauge section of closing.
The bottom outwardly convex of bottle forms sunken bottom, and foundation ring is arranged outside sunken bottom, is reduced in the base diameter of bottle and is initially formed one section of diagonal cleat
Section, diagonal cleat section tilt certain angle, and diagonal cleat section reduces the bottom that diameter forms bottom of bottle further below, and the part is undergauge
Section, periphery and the foundation ring of undergauge section are in close contact.
But there is the problem of manufacturing process complexity, high processing costs in the steel cylinder of this structure.
Utility model content
The purpose of this utility model is to provide the tube structure of hand fire extinguisher, has the advantages of manufacturing process is simple.
Above-mentioned technical purpose of the present utility model technical scheme is that：The cylinder of hand fire extinguisher
Body structure, including valve seat, upper cover, shell ring and low head, the valve seat are located at the top among upper cover, and tight with upper cover
Close connection, the upper part of the shell ring are inserted into inside upper cover and hermetically combined with upper cover, and the low head includes
The lower body portion that plays a supportive role below the shell ring, positioned at shell ring bottom surface it is used for the bottom of closed shell ring lower surface, is located at
Between lower body portion and bottom and it is resisted against the lower joint portion of shell ring lower edge, the lower body portion, lower joint portion, bottom structure
Integral structure, once compacting form.
By using above-mentioned technical proposal, the lower body portion that is played a supportive role in the low head of cylinder and serve closed
Bottom is formed using once compacting, while tube structure low head intensity and seal is ensured, is reduced cylinder and was prepared
The independent sanction material of journey middle cylinder body foundation ring part, the process of welding, have make cylinder body of fire extinguisher preparation technology it is simpler the advantages of.
Of the present utility model further to set, the lower joint portion and shell ring lower end junction is in arc-shaped transitional surface, described
Shell ring lower surface is in the shape being adapted with lower joint portion arc-shaped transitional surface.
By using above-mentioned technical proposal, arc-shaped transitional surface can effectively reduce the stress that low head knee is born, and make cylinder
The intensity of body structure is higher.
Of the present utility model further to set, the lower joint portion has constant external diameter, and the external diameter of lower joint portion is small
In lower body portion and the external diameter of shell ring.
By using above-mentioned technical proposal, lower joint portion abuts in the inner side of shell ring, makes low head overall in inner barrel
Crack is less prone under the pressure of compressed gas, adds the obturation effect of low head.
Of the present utility model further to set, the bottom is in recessed arc surface.
By using above-mentioned technical proposal, the anti-pressure ability of bottom is added in the bottom of arc surface, is being noted into cylinder
When entering compressed gas, cylinder is not easy to lower recess, adds the stability of bottom.
Of the present utility model further to set, the thickness of the bottom is less than the thickness of lower body portion.
By using above-mentioned technical proposal, lower body portion makees thickening processing, ensures the condition of the overall intensity of low head, subtracts
Lack the thickness of bottom, more save material.
Of the present utility model further to set, the upper cover is in circle shoulder structure.
By using above-mentioned technical proposal, the upper cover of circle shoulder structure makes the stability of cylinder body of fire extinguisher structure higher.
Of the present utility model further to set, the upper cover includes the main body of integrally connected and upper joint portion, institute
The upper end-face edge for stating shell ring is resisted against on the inside of joint portion.
By using above-mentioned technical proposal, upper joint portion is enclosed on the lateral wall of shell ring, makes after upper cover and shell ring weld
Seal it is good.
Of the present utility model further to set, there is an angled transition the upper joint portion with main body junction.
By using above-mentioned technical proposal, angled transition further increases the seal between shell ring and upper joint portion.
Of the present utility model further to set, the upper joint portion is provided with positioned at the extension for being enclosed on shell ring lateral wall.
By using above-mentioned technical proposal, extension is fitted in the lateral wall of shell ring, add joint portion and shell ring it
Between junction resistance to compression force intensity, the stability for making tube structure overall is higher.
In summary, the utility model has the advantages that：The lower body portion of cylinder low head and bottom use one
Secondary compacting forms, and while tube structure low head intensity and seal is ensured, reduces cylinder preparation process middle cylinder body bottom
The independent sanction material of collar member, the process of welding.Generally speaking the utility model, manufacturing process is simple and intensity and good leak tightness.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the semi-cutaway of the present embodiment；
Fig. 3 is the enlarged drawing at A in Fig. 2；
Fig. 4 is the enlarged drawing at B in Fig. 2.
Reference：1st, valve seat；2nd, upper cover；21st, main body；22nd, upper joint portion；23rd, extension；3rd, shell ring；4、
Low head；41st, lower body portion；42nd, bottom；43rd, lower joint portion.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Embodiment：The tube structure of hand fire extinguisher, as depicted in figs. 1 and 2, including the shell ring 3 in cylinder, shell ring
3 top is welded with upper cover 2, and upper cover 2 is in circle shoulder structure, and the centre of upper cover 2 supplies the valve seat that extinguishing chemical sprays in shell ring 3
1, the lower section of shell ring 3 is also welded with low head 4.
As shown in figure 3, low head 4 include playing a supportive role positioned at the lower section of shell ring 3 lower body portion 41, under shell ring 3
Bottom surface is used for the bottom 42 of the closed lower surface of shell ring 3, between lower body portion 41 and bottom 42 and is resisted against 3 times end edges of shell ring
The lower joint portion 43 of edge, lower body portion 41, lower joint portion 43, bottom 42 are integrally formed, and are formed using once compacting.Under cylinder
The lower body portion 41 to be played a supportive role in end socket 4 is formed with closed bottom 42 is played using once compacting, is ensureing cylinder
While structure low head semi-finals degree and seal, reduce independent sanction material, the weldering of tube structure preparation process middle cylinder body foundation ring part
The process connect, have make cylinder body of fire extinguisher preparation technology it is simpler the advantages of.
Bottom 42 is in recessed arc surface, and the anti-pressure ability of bottom 42 is added in the bottom 42 of arc surface, to cylinder
In vivo during injection compressed gas, cylinder is not easy to lower recess, adds the stability of bottom 42.
The thickness of bottom 42 is less than the thickness of lower body portion 41.Lower body portion 41 makees thickening processing, ensures that low head 4 is overall
Intensity under conditions of, reduce the thickness of bottom 42, more save material.
Lower joint portion 43 has a constant external diameter, and the external diameter of lower joint portion 43 is less than the outer of lower body portion 41 and shell ring 3
Footpath.Lower joint portion 43 abuts in the inner side of shell ring 3, makes low head 4 is overall to be not easy out under the pressure of inner barrel compressed gas
Existing crack, add the obturation effect of low head 4.
Lower joint portion 43 and the lower end junction of shell ring 3 are in arc-shaped transitional surface, and the lower surface of shell ring 3 is in and the lower circular arc of joint portion 43
Transition face is in the profile being adapted.Arc-shaped transitional surface can effectively reduce the stress that the knee of low head 4 is born, and make tube structure
Intensity is higher.
As shown in figure 4, upper cover 2 includes integrally formed main body 21 and upper joint portion 22, the upper end of the shell ring 3
Edge is resisted against the inner side of joint portion 22, and upper joint portion 22 is enclosed on the lateral wall of shell ring 3, makes upper cover 2 and after shell ring 3 welds
Seal it is more preferable.
There is an angled transition upper joint portion 22 with the junction of main body 21, and angled transition further increases shell ring 3
With the seal between upper joint portion 22.
Upper joint portion 22 is fitted in shell ring 3 integrally formed with positioned at the extension 23 for being enclosed on the lateral wall of shell ring 3, extension 23
Lateral wall, add the resistance to compression force intensity of junction between joint portion 22 and shell ring 3, make the overall stability of cylinder more
It is high.
The course of work and principle：The lower body portion 41 of cylinder low head 4 and bottom 42 are formed using once compacting, are being ensured
While tube structure low head semi-finals degree and seal, reduce independent sanction material, the weldering of cylinder preparation process middle cylinder body foundation ring part
The process connect, makes tube structure manufacturing process simple and intensity and good leak tightness.
Claims (9)
1. the tube structure of hand fire extinguisher, it is characterised in that including valve seat (1), upper cover (2), shell ring (3) and low head
(4), the valve seat (1) is located at the top among upper cover (2), and is closely connected with upper cover (2), the shell ring (3) it is upper
End is inserted partially into upper cover (2) inside and hermetically combined with upper cover (2), and the low head (4) includes being located at shell ring (3)
Lower body portion (41) that lower section plays a supportive role, the bottom for being used for positioned at shell ring (3) bottom surface closed shell ring (3) lower surface
(42), between lower body portion (41) and bottom (42) and the lower joint portion (43) of shell ring (3) lower edge is resisted against, it is described
Lower body portion (41), lower joint portion (43), bottom (42) form an overall structure, and once compacting forms.
2. the tube structure of hand fire extinguisher according to claim 1, it is characterised in that the lower joint portion (43) and
Shell ring (3) lower end junction is in arc-shaped transitional surface, and shell ring (3) lower surface is in mutually to be fitted with lower joint portion (43) arc-shaped transitional surface
The shape matched somebody with somebody.
3. the tube structure of hand fire extinguisher according to claim 1, it is characterised in that lower joint portion (43) tool
There is constant external diameter, and the external diameter of lower joint portion (43) is less than the external diameter of lower body portion (41) and shell ring (3).
4. the tube structure of hand fire extinguisher according to claim 1, it is characterised in that the bottom (42) is in downward
Recessed arc surface.
5. the tube structure of hand fire extinguisher according to claim 1, it is characterised in that the thickness of the bottom (42)
Less than the thickness of lower body portion (41).
6. the tube structure of hand fire extinguisher according to claim 1, it is characterised in that the upper cover (2) is in circle
Shoulder structure.
7. the tube structure of hand fire extinguisher according to claim 1, it is characterised in that the upper cover (2) includes
The main body (21) of integrally connected and upper joint portion (22), the upper end-face edge of the shell ring (3) are resisted against joint portion (22)
Inner side.
8. the tube structure of hand fire extinguisher according to claim 7, it is characterised in that the upper joint portion (22) with
There is an angled transition main body (21) junction.
9. the tube structure of hand fire extinguisher according to claim 7, it is characterised in that the upper joint portion (22) sets
Have positioned at the extension (23) for being enclosed on shell ring (3) lateral wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720663548.3U CN206910631U (en) | 2017-06-07 | 2017-06-07 | The tube structure of hand fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720663548.3U CN206910631U (en) | 2017-06-07 | 2017-06-07 | The tube structure of hand fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206910631U true CN206910631U (en) | 2018-01-23 |
Family
ID=61314705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720663548.3U Active CN206910631U (en) | 2017-06-07 | 2017-06-07 | The tube structure of hand fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206910631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113952662A (en) * | 2021-10-28 | 2022-01-21 | 河南省绿博能源设备有限公司 | Fire extinguisher bottle and processing method thereof |
-
2017
- 2017-06-07 CN CN201720663548.3U patent/CN206910631U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113952662A (en) * | 2021-10-28 | 2022-01-21 | 河南省绿博能源设备有限公司 | Fire extinguisher bottle and processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180911 Address after: 510000 room 1312, Hua Xin Yi Street, Haizhuqu District, Guangzhou, Guangdong, 1312 Patentee after: Guangdong Guoxin Finance Leasing Co., Ltd. Address before: 516100 Huizhou, Boluo, Guangdong Province Yang Yang Qiao Town, South East Road Patentee before: Li Shu Guoxin (Huizhou) Biochemical Technology Co Ltd |