CN203556483U - Self-sealing filling gun - Google Patents
Self-sealing filling gun Download PDFInfo
- Publication number
- CN203556483U CN203556483U CN201320661975.XU CN201320661975U CN203556483U CN 203556483 U CN203556483 U CN 203556483U CN 201320661975 U CN201320661975 U CN 201320661975U CN 203556483 U CN203556483 U CN 203556483U
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- CN
- China
- Prior art keywords
- sealing
- main body
- self
- external member
- styled
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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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 122
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000004512 die casting Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229940116269 uric acid Drugs 0.000 description 1
Images
Abstract
The utility model discloses a self-sealing filling gun whose gun body can be manufactured with a die-casting technique. The self-sealing filling gun comprises a gun body, a gun barrel, a self-sealing device, an ejector rod and a sealing component, wherein both the ejector rod and the sealing component are mounted on the gun body; the gun barrel is connected with the gun body; the gun body comprises a main body and an insert bush which are separately formed and fixedly connected in a tight matching manner; the top end of the insert bush is in seal fit with the main body through a first seal ring; and a bulged edge is formed in the main body, so that the bottom end of the insert bush is abutted against the main body, and the bottom of the insert bush is in seal fit with the main body through a second seal ring.
Description
Technical field
The utility model belongs to the technical field of the filling gun of the corrosive liquids of annotating, and specifically relates to a kind of self-styled filling gun.
Background technology
At present, the self-styled filling gun on market comprises rifle body, main valve assembly, self-packer, gun barrel and handle assembly etc.The self-styled filling gun of this structure can automatically be jumped rifle and be stopped refueling when being filled with liquid by filling container.Yet the rifle body inner flow passage complex structure of the self-styled filling gun of this structure, is unsuitable for manufacturing by extrusion process with plastic material.
Summary of the invention
The purpose of this utility model is to provide a kind of self-styled filling gun, and its rifle body can adopt extrusion process manufacture.
The purpose of this utility model is achieved in that a kind of self-styled filling gun, comprise rifle body, gun barrel, self-packer, push rod and black box, push rod and black box are installed on rifle body, gun barrel is connected with rifle body, described rifle body comprises main body and edge cover, described main body and the split of described edge cover form and described edge cover forms a fixed connection in friction tight mode with described main body, the top of edge cover is formed and is sealed and matched by the first sealing ring and main body, in main body, be provided with that convex edge offsets for the bottom of edge cover and the bottom of inlaying cover is sealed and matched by the second sealing ring and main body formation.
On the basis of such scheme and as the preferred version of such scheme: be provided with the groove of installing for described the first sealing ring on the top of described edge cover.
On the basis of such scheme and as the preferred version of such scheme: described black box comprises oil sealing, external member in sealing, the lower external member of sealing, the 3rd sealing ring and the 4th sealing ring, in sealing, under external member and sealing, in external member, be equipped with the through hole passing for push rod, in described sealing, external member and the lower external member of sealing plug and under interior stage portion and the sealing of external member, between the inner ring portion of external member, have the spacing for the 3rd sealing ring installation in sealings, in sealing, under the outer stage portion of external member and sealing, between the outer ring portion of external member, there is the spacing of installing for the 4th sealing ring, by the 3rd sealing ring, realizing sealing assembly coordinates with the movable sealing of push rod, by the 4th sealing ring, realize being sealed and matched of sealing assembly and main body, between the upper end that oil sealing is against the upper external member of sealing and main body and oil sealing coordinate with push rod formation movable sealing, oil sealing and main body form and are sealed and matched.
On the basis of such scheme and as the preferred version of such scheme: be provided with the recessed groove that fuel feeding closure is closed on the upper end of assembly in described sealing.
On the basis of such scheme and as the preferred version of such scheme: described inner ring portion stretches in the upper external member of sealing.
On the basis of such scheme and as the preferred version of such scheme: described black box is fixed by a pin in main body.
On the basis of such scheme and as the preferred version of such scheme: the external screw thread being provided with at the inlet place of described main body.
On the basis of such scheme and as the preferred version of such scheme: described gun barrel is fixedly connected with main body by locking nut.
On the basis of such scheme and as the preferred version of such scheme: described main body and edge cover are made by plastic material.
On the basis of such scheme and as the preferred version of such scheme: also comprise the snap joint being connected in main body, this snap joint comprises locking nut, the 5th sealing ring and tube connector, in the inlet of the end insertion main body of tube connector and by the 5th sealing ring and main body formation, be sealed and matched, locking nut be buckled on tube connector and locking nut rotatable with respect to tube connector, locking nut is connected on external screw thread.
The utility model compared to existing technology outstanding and useful technique effect is:
1, self-styled filling gun of the present utility model by adopt Split type structure main body and and edge cover, make the structure of the rifle intracoelomic cavity comparatively rule that becomes, can adopt plastic die casting process manufacture, further reduced manufacture adult.
2, self-styled filling gun of the present utility model has adopted the black box of new structure, makes this self-styled filling gun sealing effectiveness better.
3, self-styled filling gun of the present utility model adopts locking nut structure to connect gun barrel and main body, and its two connection is more firm and easy.
4, self-styled filling gun of the present utility model is also provided with at the inlet place of main body external screw thread and quick coupling structure, so that be connected to feed pipe in main body.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is structure of mosaic schematic diagram of the present utility model.
Fig. 3 is external member and the assembly structure schematic diagram that seals lower external member in sealing of the present utility model.
Fig. 4 is external member and the assembly structure cutaway view that seals lower external member in sealing of the present utility model.
Fig. 5 is the perspective view of the upper external member of sealing.
Fig. 6 is the perspective view of the lower external member of sealing.
The specific embodiment
Below in conjunction with accompanying drawing, with specific embodiment, the utility model is further described, referring to Fig. 1-Fig. 6;
The self-styled filling gun that the present embodiment provides, in chemical field, can there is corrosive liquid with this self-styled filling gun uric acid etc. of annotating, it comprises rifle body 1, gun barrel 2, self-packer 3, push rod 4 and black box 5, push rod 4 and black box 5 are installed on rifle body, and gun barrel 2 is connected with rifle body 1.In order to make lance body structure of the prior art can adopt plastic die casting process manufacture, the rifle body of this practicality example adopts following structure: rifle body 1 comprises main body 6 and edge cover 7.Described main body 6 and described edge overlap 7 splits formation and described edge cover 7 forms a fixed connection in friction tight mode with described main body 6, the top 71 of edge cover 7 is formed and is sealed and matched with main body 6 by the first sealing ring 8, is provided with that convex edge 9 offsets for the bottom 72 of edge cover 7 and the bottom 72 of inlaying cover 7 is formed and is sealed and matched with main body 6 by the second sealing ring 10 in main body 6.Internal structure and the prior art of edge cover are as good as, and repeat no more here.By adopting the main body of Split type structure and overlapping with edge, make the structure of rifle intracoelomic cavity become comparatively regular, can adopt plastic die casting process manufacture, further reduced manufacture adult.
In the present embodiment, on the top 71 of described edge cover 7, be provided with the groove 11 of installing for described the first sealing ring 8.
In the present embodiment, described black box 5 comprises external member 13 in oil sealing 12, sealing, sealing lower external member 14, the 3rd sealing ring and the 4th sealing ring.In sealing, be provided with the through hole 15a passing for push rod 4 in external member 13, same, under sealing, in external member 14, be also provided with the through hole 156 passing for push rod 4, these two through holes are after coaxial after assembling.In described sealing, external member 13 plugs with the lower external member 14 of sealing.In the present embodiment, in sealing, external member 13 is inserted the lower interior formation tight fit of external member 14 of sealing.In sealing, under 13 interior stage portion 16 and sealing, between the inner ring portion 17 of external member 14, there is the spacing 18 for the 3rd sealing ring installation in external member, in sealing, under the outer stage portion 19 of external member 13 and sealing, between the outer ring portion 20 of external member 14, there is the spacing 21 of installing for the 4th sealing ring, by the 3rd sealing ring, realize sealing assembly and coordinate with the movable sealing of push rod, by the 4th sealing ring, realize being sealed and matched of sealing assembly and main body.Between the upper end that oil sealing 12 is against the upper external member 13 of sealing and main body 6 and oil sealing 12 form with push rod 4 that movable sealings coordinate, oil sealing 12 forms and is sealed and matched with main body 6, the inner circle of oil sealing form with push rod seal, cylindrical and the main body formation of oil sealing seals.Adopt this structure, can form Multi-layer sealing structure, sealing property is better, can effectively avoid leaking.Preferably, described inner ring portion 17 stretches in the upper external member 13 of sealing.That is to say, fluted 22 structures between inner circular part 17 in the lower external member of sealing and cylindrical portion 20, this groove 22 is used for receiving the bottom of the upper external member 13 of sealing, the upper external member of sealing and the two connected structures of the lower external member of sealing have been formed, further strengthened the grafting intensity between these two parts, form the inside that the 3rd sealing ring is assemblied in to the upper external member of sealing simultaneously, made the 3rd sealing ring position more firm, strengthened its sealing property.
In the present embodiment, in described sealing, on the upper end of assembly 13, be provided with the recessed groove 23 fastening for oil sealing 12.
In the present embodiment, described black box 5 is fixed in main body 6 by pin 24.
In the present embodiment, the external screw thread 26 being provided with at inlet 25 places of described main body 6.This external screw thread 26, for being connected with the joint screw thread on feed pipe, is connected in main body feed pipe.Further, this self-styled filling gun can also be provided with quick coupling structure, this snap joint comprises locking nut 28, the 5th sealing ring 29 and tube connector 30, in the inlet 25 of the end insertion main body 6 of tube connector 30 and by the 5th sealing ring 29 and main body 6 formation, be sealed and matched, locking nut 28 is buckled on tube connector, locking nut 28 is rotatable with respect to tube connector 30, and locking nut is connected on external screw thread, and this snap joint is connected in main body.As shown in fig. 1, on tube connector 30, there is projection for locking nut 28 overlap joints, when screwing locking nut, can make locking nut 28 that tube connector 30 is pressed in main body 6.After this snap joint is assembled on this self-styled filling gun, tube connector 30 can be rotatable with respect to main body 6.
In the present embodiment, described gun barrel 2 is fixedly connected with main body 6 by locking nut 27.Specifically, in main body, be provided with the helicitic texture matching with locking nut, make locking nut form and be threaded with main body, and gun barrel be pressed in main body by this locking nut.
Above-described embodiment is only preferred embodiment of the present utility model, not limits according to this protection domain of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, within all should being covered by protection domain of the present utility model.
Claims (10)
1. a self-styled filling gun, comprise rifle body, gun barrel, self-packer, push rod and black box, push rod and black box are installed on rifle body, gun barrel is connected with rifle body, it is characterized in that: described rifle body comprises main body and edge cover, described main body and the split of described edge cover form and described edge cover forms a fixed connection in friction tight mode with described main body, the top of edge cover is formed and is sealed and matched with main body by the first sealing ring, is provided with that convex edge offsets for the bottom of edge cover and the bottom of inlaying cover is sealed and matched by the second sealing ring and main body formation in main body.
2. self-styled filling gun according to claim 1, is characterized in that: on the top of described edge cover, be provided with the groove of installing for described the first sealing ring.
3. self-styled filling gun according to claim 1, it is characterized in that: described black box comprises oil sealing, external member in sealing, the lower external member of sealing, the 3rd sealing ring and the 4th sealing ring, in sealing, under external member and sealing, in external member, be equipped with the through hole passing for push rod, in described sealing, external member and the lower external member of sealing plug and under interior stage portion and the sealing of external member, between the inner ring portion of external member, have the spacing for the 3rd sealing ring installation in sealings, in sealing, under the outer stage portion of external member and sealing, between the outer ring portion of external member, there is the spacing of installing for the 4th sealing ring, by the 3rd sealing ring, realizing sealing assembly coordinates with the movable sealing of push rod, by the 4th sealing ring, realize being sealed and matched of sealing assembly and main body, between the upper end that oil sealing is against the upper external member of sealing and main body and oil sealing coordinate with push rod formation movable sealing, oil sealing and main body form and are sealed and matched.
4. self-styled filling gun according to claim 3, is characterized in that: in described sealing, on the upper end of assembly, be provided with the recessed groove that fuel feeding closure is closed.
5. self-styled filling gun according to claim 3, is characterized in that: described inner ring portion stretches in the upper external member of sealing.
6. self-styled filling gun according to claim 3, is characterized in that: described black box is fixed by a pin in main body.
7. self-styled filling gun according to claim 1, is characterized in that: the external screw thread being provided with at the inlet place of described main body.
8. self-styled filling gun according to claim 1, is characterized in that: described gun barrel is fixedly connected with main body by locking nut.
9. self-styled filling gun according to claim 1, is characterized in that: described main body and edge cover are made by plastic material.
10. self-styled filling gun according to claim 7, it is characterized in that: also comprise the snap joint being connected in main body, this snap joint comprises locking nut, the 5th sealing ring and tube connector, in the inlet of the end insertion main body of tube connector and by the 5th sealing ring and main body formation, be sealed and matched, locking nut be buckled on tube connector and locking nut rotatable with respect to tube connector, locking nut is connected on external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320661975.XU CN203556483U (en) | 2013-10-24 | 2013-10-24 | Self-sealing filling gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320661975.XU CN203556483U (en) | 2013-10-24 | 2013-10-24 | Self-sealing filling gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203556483U true CN203556483U (en) | 2014-04-23 |
Family
ID=50506236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320661975.XU Expired - Lifetime CN203556483U (en) | 2013-10-24 | 2013-10-24 | Self-sealing filling gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203556483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111933886A (en) * | 2020-08-11 | 2020-11-13 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Filling gun capable of automatically identifying liquid level |
-
2013
- 2013-10-24 CN CN201320661975.XU patent/CN203556483U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111933886A (en) * | 2020-08-11 | 2020-11-13 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Filling gun capable of automatically identifying liquid level |
| CN111933886B (en) * | 2020-08-11 | 2021-10-29 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Filling gun capable of automatically identifying liquid level |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |
|
| CX01 | Expiry of patent term |