CN203209263U - Dispensing head with resorption function - Google Patents
Dispensing head with resorption function Download PDFInfo
- Publication number
- CN203209263U CN203209263U CN 201320092523 CN201320092523U CN203209263U CN 203209263 U CN203209263 U CN 203209263U CN 201320092523 CN201320092523 CN 201320092523 CN 201320092523 U CN201320092523 U CN 201320092523U CN 203209263 U CN203209263 U CN 203209263U
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- sealing ring
- liquid outlet
- inlet
- glue
- plug
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Abstract
The utility model relates to a nozzle for spraying glue. The dispensing head with a resorption function comprises a dispensing head main body which is provided with a liquid inlet, a liquid outlet, a slideway communicating the liquid inlet and the liquid outlet, a drain plug arranged in the slideway and a driving mechanism which drives the drain plug to slide in the slideway. The drain plug is internally provided with a runner for communicating the liquid inlet and the liquid outlet. The slideway is internally provided with a first seal ring which hermetically connects the drain plug and the dispensing head main body and a second seal ring matched with the drain plug to block the inlet of the runner and the liquid inlet. The first seal ring is located between the liquid inlet and the liquid outlet, while the second seal ring is located on one side of the liquid inlet far away from the liquid outlet. The utility model provides the dispensing head with the resorption function, wherein bad seal is not easy to generate and the dispensing head is labor-saving to drive. The problem that existing dispensing head with the resorption function cannot give consideration to both good sealing property and labor conservation to drive, and poor sealing is caused due to moving of the drain plug for many times is solved.
Description
Technical field
The utility model relates to the shower nozzle that sprays glue, relates in particular to a kind of Glue dripping head with resorption function.
Background technology
The initial glue head that is used for spraying glue is after quitting work, and the glue that remains in the liquid outlet can ooze under the gravity effect, causes the surperficial dirty of be stuck object and equipment.
A kind of glue head that sprays glue is disclosed in the patent document that be 2010202774327 in China Patent No., Granted publication day is on January 26th, 2011.Glue head in this patent document is and can produces the glue head that drips glue.
Close the problem that the residual glue in back can ooze from liquid outlet for overcoming the glue head, designed the Glue dripping head with resorption function.Be 2012202600092 in China Patent No., Granted publication day be January 23 in 2013 day, be called in the patent document of " Glue dripping head with resorption function " and disclose a kind of glue head that can not drip glue.Glue dripping head in this patent document comprises the glue head main body, the glue head main body is provided with the fluid course of inlet, liquid outlet, connection inlet and liquid outlet and is used for the plug of liquid for plugging circulation road and drives the driving cylinder that plug seals fluid course from liquid outlet place end, and fluid course is provided with isometrical section that can be sealed connected together with described plug.When stopping glue spraying, driving cylinder enters in isometrical section plug fluid course is cut off, and glue can not flow to liquid outlet, forms negative pressure in the process that plug moves in liquid outlet, thereby avoiding producing drips a glue phenomenon.Though the glue head in this patent document has solved the problem of a glue but had the following disadvantages: plug is to realize with the tolerance fit between isometrical section by plug with the sealing between the glue head body, if if cooperated tension during mobile plug effort cooperated pine then can produce glue phenomenon with Louing, plug is with causing poor sealing for the rigidity contact being easy to generate to wear and tear between the glue head body.
The utility model content
The utility model provides a kind of and has been not easy to produce the poor sealing phenomenon and drives the Glue dripping head that the labour-saving has the resorption function, has solved existing Glue dripping head with resorption function and can not take into account good sealing property and drive the problem that laborsaving and plug is easy to generate the poor sealing phenomenon after repeatedly mobile.
Above technical problem solves by following technical proposal: a kind of Glue dripping head with resorption function, comprise the Glue dripping head main body, the Glue dripping head main body is provided with inlet, liquid outlet, the slideway that is communicated with inlet and liquid outlet, be arranged at the plug in the slideway and drive the driving mechanism that plug slides in slideway, be provided with in the described plug for the runner that is communicated with liquid outlet and inlet, be provided with first sealing ring that described plug is sealed connected together with described glue head main body in the described slideway, and second sealing ring that cooperates described plug that the import of runner is cut off with described inlet, described first sealing ring is between inlet and liquid outlet, and described second sealing ring is positioned at inlet away from a side of liquid outlet.When driving mechanism drives import that plug moves to runner between first sealing ring and second sealing ring time, the import of runner and inlet are communicated with, and the glue that enters from inlet flows to liquid outlet after the import of runner enters runner, flow out from liquid outlet; When the import that plug moves to runner was positioned at second sealing ring away from a side of first sealing ring, the import of runner and inlet were separated by second sealing ring, and the glue that enters from inlet can not enter runner, realize glue stop to flow out.Because plug, can either guarantee good sealing, laborsaving in the time of can making the driving plug again with sealing by first sealing ring between the glue head body, the wearing and tearing when plug moves are little; Runner is set in plug to go out for solation, be not easy to produce the withered caking of glue and phenomenon that plug is exerted an influence with sealing place of Glue dripping head body.
As preferably, described plug is provided with big footpath section, conical surface section and path section from the end near liquid outlet successively to the end near inlet, the import of runner is positioned on the described path section, described second sealing ring matches with described conical surface section, and first sealing ring links together described big footpath section and described Glue dripping head body seal.Can guarantee to enter runner swimmingly, can adjust the sealing effectiveness of second sealing ring with the power of pushing against of Glue dripping head body by adjusting conical surface section again from the glue that inlet flows into, guarantee that the second sealing ring place is not easy to produce the poor sealing phenomenon.First sealing ring since be subjected to the squeezing action of glue less, be not easy to produce the poor sealing phenomenon.
As preferably, be provided with the bearing step in the described slideway, described second sealing ring is fixed on the described bearing step.The bearing step to second sealing ring play a supporting role, second sealing ring can not bend and influences sealing effectiveness when being squeezed.
As preferably, described Glue dripping head main body comprises that body, detachable shutoff are at first end cap of body one end and detachable shutoff second end cap at the body other end, described liquid outlet is arranged at described first end cap, described inlet is arranged at described body, described first sealing ring cooperates described body to be fixed in the described slideway by described first end cap, and described second sealing ring is arranged on the inner face of described second end cap.Assembling and convenient when fixing first sealing ring and second sealing ring.Be convenient to the Glue dripping head main body disassembled the Glue dripping head body interior is cleaned.
As preferably, described first end cap is threaded togather with described body, and described second end cap is threaded togather with described body.Disassembly and assembly are convenient.
As preferably, the piston rod that described driving mechanism comprises the cylinder body that is fixed together with the glue head main body, links together with piston with the supporting piston of cylinder body and an end, the other end of described piston rod links together with described plug, and described cylinder body is provided with through hole and piston reset spring.When from introducing fluid (as Compressed Gas or liquid) in the through hole in the cylinder body time, the fluid driven plunger moves and makes the piston reset spring energy storage, piston drives plug by piston rod and moves, and makes second sealing ring that plug and Glue dripping head body are sealed connected together or throws off sealing to the two; Stop when introducing fluid in the through hole, piston reset spring makes piston do counter motion.
As preferably, when described piston was positioned at initial bit, second sealing ring was sealed connected together described plug and glue head main body.Piston reset spring can make the utility model remain on closed condition, and the utility model is in semi-open state when preventing insufficient pressure, causes gluing bad.
The utlity model has following advantage: in the time of can guaranteeing to drive plug and in slideway, move easily laborsaving, can guarantee good sealing effectiveness again; Can not produce the poor sealing phenomenon that causes because of wearing and tearing in the plug moving process.
Description of drawings
Structural representation when Fig. 1 is in opening for the utility model embodiment one.
Structural representation when Fig. 2 is in closed condition for the utility model embodiment one.
Structural representation when Fig. 3 is in opening for the utility model embodiment two.
Among the figure: Glue dripping head main body 1, body 11, first end cap 12, second end cap 13, liquid outlet 14, inlet 15, slideway 16, driving mechanism 2, cylinder body 21, piston 22, through hole 23, piston rod 24, piston reset spring 25, connecting rod 26, electromagnet 27, sucker 28, cut-out spring 29, first sealing ring 3, plug 5, big footpath section 51, conical surface section 52, path section 53, drive rod 531, runner 54, the import 542 of runner, the outlet 541 of runner, second sealing ring 6, the 3rd sealing ring 7, the 4th sealing ring 8, the 5th sealing ring 9.
The specific embodiment
Be further described below in conjunction with accompanying drawing and the utility model of embodiment.
Embodiment one, and referring to Fig. 1, a kind of Glue dripping head with resorption function comprises Glue dripping head main body 1 and driving mechanism 2.
Glue dripping head main body 1 comprises body 11, first end cap 12 and second end cap 13.The side of body 11 is provided with inlet 15.First end cap 12 is threaded and is located in the right-hand member of body 11.First end cap 12 is provided with liquid outlet 14.The interior empty slideway 16 that constitutes connection inlet 15 and liquid outlet 14 of body 11.Slideway 16 extends in first end cap 12.The junction of first end cap 12 and body 11 is provided with first sealing ring 3.First sealing ring 3 is between inlet 15 and liquid outlet 14.Second end cap 13 is threaded and is located in the left end of body 11.Be sealed connected together by the 5th sealing ring 9 between second end cap 13 and the body 11.The end of second end cap 13 forms the bearing step in slideway 16.Be connected with second sealing ring 6 on the bearing step.Second sealing ring 6 is positioned at the left side of inlet 15.Slideway 16 is provided with plug 5.Plug 5 is provided with big footpath section 51, conical surface section 52 and path section 53 from right to left successively.Be provided with runner 54 in the plug 5.The outlet 541 of runner be positioned on the right side of plug 5 and with liquid outlet 14 over against connection.The import 542 of runner is positioned on the side of path section 53.First sealing ring 3 is sealed connected together big footpath section 51 and glue head main body 1.
Driving mechanism 2 is positioned at the left side of Glue dripping head main body 1.Driving mechanism 2 comprises cylinder body 21 and is arranged in the cylinder body 21 with the supporting piston 22 of cylinder body.Cylinder body 21 is fixed together with second end cap 13 by connecting rod 26.Cylinder body 21 is provided with through hole 23.Through hole 23 is positioned at the left side of piston 22.Piston 22 is connected on the left end of piston rod 24.The right-hand member of piston rod 24 passes second end cap, 13 backs and links together with path section 53.Piston rod 23 passes second sealing ring 6.Piston rod 23 is sealed connected together by the 3rd sealing ring 7 with between second end cap 6.Piston 22 is sealed connected together with cylinder body 21 by the 4th sealing ring 8.Be provided with piston reset spring 25 in the cylinder body 21.The left end of piston reset spring 25 is connected on the right side of piston 22.The right-hand member of piston reset spring 25 is connected on the left end of second end cap 13.
During use, source of the gas is linked together with through hole 23 by two-position three way magnetic valve.When source of the gas during with cylinder body 21 internal communication, compressed gas-driven piston 23 moves to right and piston reset spring 25 pressurized energy storage, and piston 23 drives plugs 5 by piston rod 24 and is shifted to the right to the import 542 of runner between first sealing ring 3 and second sealing ring 6.Glue flows through the import 542, runner 54 of runner successively, flows out from liquid outlet 14 at last after inlet 15 enters.
Referring to Fig. 2, after source of the gas disconnects with through hole 23, under the effect of piston reset spring 25, piston 22 moves left to conical surface section 52 by piston rod 24 driving plugs 5 and is connected to together with 6 sealings of second sealing ring, and this moment, import 542 and the inlet 15 of runner were separated by second sealing ring 6.Glue can not be reserved through runner 54.In liquid outlet 14, form negative pressure in the process that plug 5 moves to left, play the effect that prevents that glue from oozing.
Embodiment two, and referring to Fig. 3, with the difference of embodiment one be: driving mechanism 2 comprises electromagnet 27, sucker 28 and cut-out spring 29.Path section 53 is fixed together with electromagnet 27 by drive rod 531.Drive rod 531 passes second sealing ring 6, second end cap 13 and sucker 28 successively.Sucker 28 is between Glue dripping head main body 1 and electromagnet 27.Sucker 28 is fixed together with point second end cap 13 by connecting rod 26.On the left end of cut-out spring 29 right-hand member butt suckers 28, left end is connected on the right-hand member of electromagnet 27.
During use, if give electromagnet 27 energisings, then sucker 28 and electromagnet 27 are pulled together, second sealing ring 6 is in released state with conical surface section 52, glue can be reserved through runner 54, otherwise then second sealing ring 6 is connected to together with 52 sealings of conical surface section, and glue can not be reserved in runner 54.
Claims (7)
1. Glue dripping head with resorption function, comprise the Glue dripping head main body, the Glue dripping head main body is provided with inlet, liquid outlet, the slideway that is communicated with inlet and liquid outlet, be arranged at the plug in the slideway and drive the driving mechanism that plug slides in slideway, it is characterized in that, be provided with in the described plug for the runner that is communicated with liquid outlet and inlet, be provided with first sealing ring that described plug is sealed connected together with described glue head main body in the described slideway, and second sealing ring that cooperates described plug that the import of runner is cut off with described inlet, described first sealing ring is between inlet and liquid outlet, and described second sealing ring is positioned at inlet away from a side of liquid outlet.
2. the Glue dripping head with resorption function according to claim 1, it is characterized in that, described plug is provided with big footpath section, conical surface section and path section from the end near liquid outlet successively to the end near inlet, the import of runner is positioned on the described path section, described second sealing ring matches with described conical surface section, and first sealing ring links together described big footpath section and described Glue dripping head body seal.
3. the Glue dripping head with resorption function according to claim 2 is characterized in that, is provided with the bearing step in the described slideway, and described second sealing ring is fixed on the described bearing step.
4. according to claim 1 or 2 or 3 described Glue dripping heads with resorption function, it is characterized in that, described Glue dripping head main body comprises that body, detachable shutoff are at first end cap of body one end and detachable shutoff second end cap at the body other end, described liquid outlet is arranged at described first end cap, described inlet is arranged at described body, described first sealing ring cooperates described body to be fixed in the described slideway by described first end cap, and described second sealing ring is arranged on the inner face of described second end cap.
5. the Glue dripping head with resorption function according to claim 4 is characterized in that, described first end cap is threaded togather with described body, and described second end cap is threaded togather with described body.
6. according to claim 1 or 2 or 3 described Glue dripping heads with resorption function, it is characterized in that, the piston rod that described driving mechanism comprises the cylinder body that is fixed together with the glue head main body, links together with piston with the supporting piston of cylinder body and an end, the other end of described piston rod links together with described plug, and described cylinder body is provided with through hole and piston reset spring.
7. the Glue dripping head with resorption function according to claim 6 is characterized in that, when described piston was positioned at initial bit, second sealing ring was sealed connected together described plug and glue head main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320092523 CN203209263U (en) | 2013-03-01 | 2013-03-01 | Dispensing head with resorption function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320092523 CN203209263U (en) | 2013-03-01 | 2013-03-01 | Dispensing head with resorption function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203209263U true CN203209263U (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320092523 Expired - Fee Related CN203209263U (en) | 2013-03-01 | 2013-03-01 | Dispensing head with resorption function |
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| Country | Link |
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| CN (1) | CN203209263U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828483A (en) * | 2021-10-22 | 2021-12-24 | 陈王强 | Dispensing valve for dispensing machine |
| CN115007407A (en) * | 2022-07-01 | 2022-09-06 | 江西弘耀达通讯有限公司 | Quantitative anti-dripping dispenser for assembling chips |
-
2013
- 2013-03-01 CN CN 201320092523 patent/CN203209263U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828483A (en) * | 2021-10-22 | 2021-12-24 | 陈王强 | Dispensing valve for dispensing machine |
| CN115007407A (en) * | 2022-07-01 | 2022-09-06 | 江西弘耀达通讯有限公司 | Quantitative anti-dripping dispenser for assembling chips |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20160301 |