CN202823701U - Foam gun - Google Patents
Foam gun Download PDFInfo
- Publication number
- CN202823701U CN202823701U CN 201220486369 CN201220486369U CN202823701U CN 202823701 U CN202823701 U CN 202823701U CN 201220486369 CN201220486369 CN 201220486369 CN 201220486369 U CN201220486369 U CN 201220486369U CN 202823701 U CN202823701 U CN 202823701U
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- CN
- China
- Prior art keywords
- gun
- foam
- gun barrel
- spring
- spool
- Prior art date
- 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 - Fee Related
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Abstract
The utility model provides a foam gun and belongs to the technical field of tools. The foam gun solves the problems of unreasonable structural design and poor sealing performance of an existing foam gun. The foam gun comprises a gun body and a gun tube fixedly connected with the gun body. A material spraying mouth is arranged at the front end of the gun tube. A needle valve capable of sliding along the axial direction of the gun tube is arranged in the gun tube. Sealing is formed between the front end of the needle valve and the material spraying mouth. The back end of the needle valve penetrates into the gun body and is fixedly connected with a guiding rod. A trigger hinged with the gun body is abutted against the front end of the guiding rod. A reset part capable of enabling the guiding rod to reset when the trigger drives the guiding rod to go back is also arranged in the gun body. A rubber plug is arranged at the back end of the gun tube. The needle valve is arranged in the rubber plug in a penetrating mode. A sealed cavity is formed inside the gun tube by the rubber plug and the front end of the needle valve. A material inlet connecting base communicated with the cavity is arranged on the gun tube and below the gun tube. The foam gun has the advantages of being reasonable in structural design, good in sealing performance and the like.
Description
Technical field
The utility model belongs to technical field of tools, relates to a kind of foam gun.
Background technology
After door frame, window frame were installed in architectural engineering, itself and between the walls left the slit, also can leave the slit after the installations such as some pipe-line equipments, must carry out filling to it and fill a vacancy.Originally generally all subsidize with materials such as cement, but this often the existence when subsidizing by cement material subsidize insecurely, cement easily drops, and the sealing of subsidizing is poor, people's life is caused have a strong impact on.Therefore, a kind of foam gun that blowing agent is used for door and window caulking joint and sealing arises at the historic moment.Foam gun is the common equipment that blowing agent injects, the gun barrel of existing foam gun is normal straight tube, material mixes in the time of in entering into foam gun, and then pour into a mould by foam gun, therefore can not work continuously and be only limited to the pouring foaming that is used in small mould, if and the material mixing is rear untimely with its cast, might cause foam gun to have a strong impact on.Moreover, after directly mixing, material enters into again foam gun, easily cause foaming bad, and voidage is lower, and foamed time is long, even the phenomenon of second time of foaming in use can occur.
Also have a kind of foam gun the pressure storage tank to be arranged on the place, top of gun barrel, can cause like this using inconvenience, and storage tank also can stop operator's sight line, the accuracy that impact is subsidized.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of reasonable in design, foam gun that result of use is good.
The purpose of this utility model can realize by following technical proposal:
A kind of foam gun, comprise rifle body and the gun barrel that is connected on the rifle body, the front end of described gun barrel is provided with feed nozzle, being provided with in gun barrel can be along gun barrel pin plug in axial sliding, the front end of pin plug and feed nozzle form sealing, the rear end penetrates the rifle body and is fixed with lead, at lead and front end against the trigger that is hinged on the rifle body is arranged, also be provided with the return unit that when trigger drive lead is stepped back, this lead is resetted in the described rifle body, it is characterized in that, the rear end of described gun barrel is provided with rubber plug, above-mentioned pin plug is located in this rubber plug, the front end of described rubber plug and pin plug forms the inside of gun barrel the cavity of sealing, and described gun barrel is provided with the charging joint chair that is communicated with this cavity, and described charging joint chair is positioned at the below of gun barrel.
In use, storage tank or adapter are connected on the charging joint chair, because this charging joint chair is communicated with cavity, the blowing agent that is positioned at storage tank enters into cavity; Pull trigger, move behind the lead, move behind the drive pin plug, feed nozzle is opened, and under high pressure blowing agent is sprayed from feed nozzle; After injection is complete, unclamp trigger, lead resets under the effect of return unit, is with simultaneously trigger action and pin plug to reset, and the front end of pin plug closes feed nozzle.
In above-mentioned foam gun, has the feeding-passage that is communicated with above-mentioned cavity in the described charging joint chair, be provided with check configuration in the described feeding-passage, when above-mentioned cavity sealed under the effect of pin plug, described check configuration was closed above-mentioned feeding-passage.
In above-mentioned foam gun, described check configuration comprises taper surface, spring base, spring and the spool that is positioned at feeding-passage, described spool is positioned at this taper surface place, one end of spring is resisted against on the spring base, its other end is resisted against on the spool, under the effect of this spring, spool and taper surface form sealing.When the front end of pin plug closed feed nozzle, the pressure in the cavity rose gradually, and when equating with the storage tank internal pressure, spring promotes valve core reset, makes seal spool live taper surface.
In above-mentioned foam gun, described spool is spherical.
In above-mentioned foam gun, described spool is made by elastomeric material.
In above-mentioned foam gun, described return unit is spring, and an end of this spring is resisted against on the rearward end of above-mentioned lead, and its other end is resisted against on the rifle body.
Compared with prior art, this foam gun have that part is few, the advantage such as low cost of manufacture, good airproof performance, reasonable in design, part difficult drop-off and long service life.
Description of drawings
Fig. 1 is the structural representation of a kind of preferred embodiment of providing of the utility model.
Among the figure, 1, the rifle body; 2, gun barrel; 3, feed nozzle; 4, pin plug; 5, lead; 6, trigger; 7, return unit; 8, rubber plug; 9, charging joint chair; 10, feeding-passage; 11, taper surface; 12, spring base; 13, spool.
The specific embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, this foam gun, comprise rifle body 1 and the gun barrel 2 that is connected on the rifle body 1, the front end of gun barrel 2 is provided with feed nozzle 3, being provided with in gun barrel 2 can be along gun barrel 2 pin plug 4 in axial sliding, the front end of pin plug 4 and feed nozzle 3 forms sealing, and the rear end penetrates rifle body 1 and is fixed with lead 5, at lead 5 and front end against the trigger 6 that is hinged on the rifle body 1 is arranged.Also be provided with the return unit 7 that when trigger 6 drive leads 5 are stepped back this lead 5 is resetted in the rifle body 1, as described in Figure 1, the return unit 7 in the present embodiment is spring.
As shown in Figure 1, rear end at gun barrel 2 is provided with rubber plug 8, and pin plug 4 is located in this rubber plug 8, and the front end of rubber plug 8 and pin plug 4 forms the inside of gun barrel 2 cavity of sealing, gun barrel 2 is provided with the charging joint chair 9 that is communicated with this cavity, and charging joint chair 9 is positioned at the below of gun barrel 2.Concrete, as shown in Figure 1, have the feeding-passage 10 that is communicated with cavity in the charging joint chair 9, be provided with check configuration in the feeding-passage 10, when cavity sealed under the effect of pin plug 4, check configuration was closed above-mentioned feeding-passage 10.
As shown in Figure 1, this check configuration comprises taper surface 11, spring base 12, spring and the spool 13 that is positioned at feeding-passage 10, spool 13 is positioned at this taper surface 11 places, one end of spring is resisted against on the spring base 12, its other end is resisted against on the spool 13, under the effect of this spring, spool 13 forms sealing with taper surface 11.Spool 13 in the present embodiment is spherical, and adopts elastomeric material to make.
As shown in Figure 1, the return unit 7 in the present embodiment is spring, and an end of this spring is resisted against on the rearward end of lead 5, and its other end is resisted against on the rifle body 1.
In use, storage tank or adapter are connected on the charging joint chair 9, because this charging joint chair 9 is communicated with cavity, the blowing agent that is positioned at storage tank enters into cavity; Pull trigger 6, move behind the lead 5, move after driving pin plug 4, feed nozzle 3 is opened, and retreats Compress Spring at the effect bottom spool 13 of pressure, under high pressure with blowing agent from feed nozzle 3 ejections; After injection is complete, unclamp trigger 6, lead 5 resets under the effect of return unit 7, is with simultaneously trigger action 6 and pin plug 4 to reset, and the front end of pin plug 4 closes feed nozzle 3.When the front end of pin plug 4 closed feed nozzle 3, the pressure in the cavity rose gradually, and when equating with the storage tank internal pressure, spring promotes spool 13 and resets, and makes spool 13 seal up taper surface 11.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used 1, the rifle body; 2, gun barrel; 3, feed nozzle; 4, pin plug; 5, lead; 6, trigger; 7, return unit; 8, rubber plug; 9, charging joint chair; 10, feeding-passage; 11, taper surface; 12, spring base; 13, the term such as spool, but do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (6)
1. foam gun, comprise rifle body (1) and be connected in gun barrel (2) on the rifle body (1), the front end of described gun barrel (2) is provided with feed nozzle (3), being provided with in gun barrel (2) can be along gun barrel (2) pin plug (4) in axial sliding, the front end of pin plug (4) and feed nozzle (3) form sealing, the rear end penetrates rifle body (1) and is fixed with lead (5), at lead (5) and front end against the trigger (6) that is hinged on the rifle body (1) is arranged, also be provided with the return unit (7) that this lead (5) is resetted when trigger (6) drive lead (5) in the described rifle body (1), it is characterized in that, the rear end of described gun barrel (2) is provided with rubber plug (8), above-mentioned pin plug (4) is located in this rubber plug (8), the front end of described rubber plug (8) and pin plug (4) forms the inside of gun barrel (2) cavity of sealing, described gun barrel (2) is provided with the charging joint chair (9) that is communicated with this cavity, and described charging joint chair (9) is positioned at the below of gun barrel (2).
2. a kind of foam gun according to claim 1, it is characterized in that, has the feeding-passage (10) that is communicated with above-mentioned cavity in the described charging joint chair (9), described feeding-passage is provided with check configuration in (10), when above-mentioned cavity sealed under the effect of pin plug (4), described check configuration was closed above-mentioned feeding-passage (10).
3. a kind of foam gun according to claim 2, it is characterized in that, described check configuration comprises taper surface (11), spring base (12), spring and the spool (13) that is positioned at feeding-passage (10), described spool (13) is positioned at this taper surface (11) and locates, one end of spring is resisted against on the spring base (12), its other end is resisted against on the spool (13), under the effect of this spring, described spool (13) forms sealing with taper surface (11).
4. a kind of foam gun according to claim 3 is characterized in that, described spool (13) is spherical.
5. a kind of foam gun according to claim 4 is characterized in that, described spool (13) is made by elastomeric material.
6. according to claim 1 and 2 or 3 or 4 or 5 described a kind of foam guns, it is characterized in that, described return unit (7) is spring, and an end of this spring is resisted against on the rearward end of above-mentioned lead (5), and its other end is resisted against on the rifle body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220486369 CN202823701U (en) | 2012-09-19 | 2012-09-19 | Foam gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220486369 CN202823701U (en) | 2012-09-19 | 2012-09-19 | Foam gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202823701U true CN202823701U (en) | 2013-03-27 |
Family
ID=47935498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220486369 Expired - Fee Related CN202823701U (en) | 2012-09-19 | 2012-09-19 | Foam gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202823701U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480524A (en) * | 2013-09-24 | 2014-01-01 | 宁波李氏实业有限公司 | Convenient spray gun |
| CN112844893A (en) * | 2020-12-31 | 2021-05-28 | 浙江润达包装科技有限公司 | Chargeable liquid spray bottle |
-
2012
- 2012-09-19 CN CN 201220486369 patent/CN202823701U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480524A (en) * | 2013-09-24 | 2014-01-01 | 宁波李氏实业有限公司 | Convenient spray gun |
| CN103480524B (en) * | 2013-09-24 | 2015-12-02 | 宁波李氏实业有限公司 | A kind of convenient spray gun |
| CN112844893A (en) * | 2020-12-31 | 2021-05-28 | 浙江润达包装科技有限公司 | Chargeable liquid spray bottle |
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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: 20130327 Termination date: 20150919 |
|
| EXPY | Termination of patent right or utility model |