CN204769759U - Belt cleaning device of hollow valve cleaning machine - Google Patents
Belt cleaning device of hollow valve cleaning machine Download PDFInfo
- Publication number
- CN204769759U CN204769759U CN201520275065.7U CN201520275065U CN204769759U CN 204769759 U CN204769759 U CN 204769759U CN 201520275065 U CN201520275065 U CN 201520275065U CN 204769759 U CN204769759 U CN 204769759U
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- Prior art keywords
- nozzle needle
- liquid
- needle seat
- valve
- cleaning
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- 238000004140 cleaning Methods 0.000 title claims abstract description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000007788 liquid Substances 0.000 claims description 80
- 238000003825 pressing Methods 0.000 claims description 7
- 241000252254 Catostomidae Species 0.000 claims description 4
- 238000005406 washing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model provides a belt cleaning device of hollow valve cleaning machine which characterized in that: valve centre gripping parts above rinsing parts, fix the valve fixed part on rinsing parts and lie in valve fixed part. The water under high pressure promotes nozzle needle seat along nozzle needle seat slip cap inner chamber rebound through the inlet tube with after dividing the cistern in nozzle needle seat slip cap inner chamber, the blind end department of hollow valve hole is inserted at the top of nozzle needle, realizes the high pressure cleaning to the hole. The water under high pressure stops flow stopping and goes into the back, and spring pulling nozzle needle seat moves down along nozzle needle seat slip cap inner chamber and withdraws from hollow spiracular hole, accomplishes and once washs. It accomplishes the washing to the hole behind the several times to move in circles like this. Degree of automation is high, and the cleaning efficiency is high, and the cleaning performance is good.
Description
Technical field
The utility model relates to valve cleaning machine technical field, particularly a kind of cleaning device for hollow valve elongated bore cleaning machine.
Background technology
Valve is a vitals in engine, and the effect of valve is exactly be responsible for specially to starting interior input air and getting rid of the waste gas after burning.From engine structure, valve has inlet valve and exhaust valve.Classify from the finished product structure of valve, be usually divided into whole valve, bimetallic butt welding valve and hollow sodium filling valve etc.In order to ensure the work quality of hollow valve, the endoporus cleannes for hollow valve have strict requirement, can not have greasy dirt, foreign matter, liquid etc. in endoporus.But for hollow valve, because its endoporus is the darker elongated blind hole of the degree of depth, i.e. one end of endoporus is closed, so cleaning process is very complicated, and cleaning performance is undesirable.Existing Conventional cleaning methods is all generally adopt soaking and washing, cleaning showers, Ultrasonic Cleaning etc., but the blind end of endoporus all can not clean up by these cleaning methods, can not reach the cleannes requirement of endoporus cleaning.The mode of some more traditional clean endoporus is also had to be manual cleaning, the low cleannes requirement that also can not reach endoporus of the cleaning efficiency of this kind of cleaning method at that time.In addition, existing valve cleaning is all the mode adopting artificial loading, artificial location, artificial blanking.Because the size of valve is smaller, during cleaning, each valve will be placed on corresponding station, manually valve is carried out material loading complexity one by one, inefficiency, and cost of labor is higher, is unfavorable for unified management.
Utility model content
For overcoming problems of the prior art, it is high that the utility model provides a kind of cleaning efficiency, and cleaning performance is good and be applicable to the cleaning device of hollow valve cleaning machine of large-scale production.
The technical scheme in the invention for solving the technical problem is: the cleaning device of this kind of hollow valve cleaning machine, is characterized in that: the valve hold assembly comprising cleaning part, be fixed on the valve fixed part on cleaning part and be positioned at above valve fixed part.
Further, described cleaning part comprises water inlet pipe, liquid-separating block, nozzle needle, returns liquid block and return pipe, and described water inlet pipe is fixedly connected with liquid-separating block by admitting pipe joint, and liquid-separating block side has level and divides liquid bath, water inlet pipe is communicated with described point of liquid bath, and water inlet pipe is anti-high pressure rubber pipe; Described time liquid block side has horizontal liquid return trough, return pipe by returning pipe joint with return liquid block and to be fixedly connected with and return pipe is communicated with one end of liquid return trough; Some nozzle needle seat slip caps are fixed with at liquid-separating block upper surface, in nozzle needle seat slip cap, cavity inner sleeve is equipped with nozzle needle spring, the bottom of nozzle needle spring is fixed in nozzle needle seat slip cap by spring fixed screw, fix bottom the top of nozzle needle spring and nozzle needle seat, nozzle needle penetrates nozzle needle seat and extends the top certain distance of nozzle needle seat, nozzle needle seat slip cap top has nozzle needle and stretches out hole, and nozzle needle is capillary tubing; Described nozzle needle seat slip cap cavity bottom is communicated with a point liquid bath, and top is communicated with liquid return trough by nozzle needle.
Further, be cylindric bottom described nozzle needle seat, top is coniform, and nozzle needle seat slip cap inner cavity top is coordinate with nozzle needle seat top shape coniform, has gap in nozzle needle seat and nozzle needle seat slip cap between cavity wall.
Further, nozzle needle seat slip cap and return liquid interblock, be equipped with O RunddichtringO between nozzle needle seat slip cap and liquid-separating block.
Further, described valve fixed part is some sleeves, described sleeve by screw and sleeve pressing plate with return liquid block and to be fixedly connected with and identical with nozzle needle mounting arrangement, sleeve has the fixing hole running through sleeve with hollow valve form fit, this fixing hole can be stretched into from sleeve bottom in nozzle needle top.
Further, described sleeve is in line and is uniformly distributed on time liquid block,
Further, miniature muffler is provided with between described each sleeve.
Further, liquid return trough penetrates into back the opposite side of liquid block from the side of sleeve barrel fixed seat, and is provided with plug in one end that liquid return trough is not connected with return pipe.
Further, liquid back pipe is connected with liquid withdrawal system, and liquid withdrawal system is connected with high-pressure water container, and high-pressure water container is connected with water inlet pipe by pipeline, between liquid withdrawal system and high-pressure water container, be provided with filter, the pipeline that high-pressure water container is communicated with water inlet pipe is provided with on-off valve.
Further, described valve hold assembly comprises some suckers, and the top of sucker is connected with cylinder piston rod, and cylinder is fixed on cleaning machine by cylinder holder, and sucker is identical with sleeve mounting arrangement.
To sum up, the beneficial effect of technique scheme of the present utility model is as follows: water under high pressure is after water inlet pipe and point liquid bath, in nozzle needle seat slip cap inner chamber, promote nozzle needle seat move up along nozzle needle seat slip cap inner chamber, the top of nozzle needle is inserted into the blind end place of hollow valve endoporus, realizes the high-pressure wash to endoporus.After water under high pressure stops inflow, spring pulls nozzle needle seat to move down along nozzle needle seat slip cap inner chamber the endoporus exiting hollow valve, completes and once cleans.Move in circles cleaning like this that to complete after several times endoporus.Automaticity is high, and cleaning efficiency is high, and cleaning performance is good.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the A-A sectional view (spring elongation state) of Fig. 2;
Fig. 4 is the A-A sectional view (spring contraction state) of Fig. 2;
Fig. 5 is the partial enlarged drawing of I part in Fig. 3;
Fig. 6 is the partial enlarged drawing of II part in Fig. 3;
Fig. 7 is the partial enlarged drawing of III part in Fig. 4.
In figure:
1 cleaning part, 2 valve fixed parts, 3 valve hold assemblies, 4 water inlet pipes, 5 liquid-separating blocks, 6 times liquid blocks, 7 return pipes, 9 admitting pipe joints, 10 points of liquid baths, 11 nozzle needle seat slip caps, 12 liquid return troughs, 13 nozzle needle springs, 14 nozzle needle spring fixed screws, 15 seal washers, 16 nozzle needle seats, 17 nozzle needles, 18 plugs, 19 sleeves, 20 returning pipe joints, 21 sleeve pressing plates, 22 miniature mufflers, 23 suckers, 24 cylinders, 25 valves.
Detailed description of the invention
Be described in detail to characteristic sum principle of the present utility model below in conjunction with accompanying drawing 1-Fig. 7, illustrated embodiment, only for explaining the utility model, not limits protection domain of the present utility model with this.
As shown in Figure 1, the cleaning device of this hollow valve cleaning machine, mainly comprises cleaning part 1, valve hold assembly 3 three parts being fixed on the valve fixed part 2 on cleaning part 1 and being positioned at above valve fixed part 2.The nozzle needle 17 that wherein cleaning part 1 comprises liquid-separating block 5 that the water inlet pipe 4, the water under high pressure that are connected with high-pressure water container shunt, top can be inserted into hollow valve endoporus blind end, for by the flushed rear return pipe 7 returning liquid block 6 and be connected with liquid withdrawal system temporarily holding withdrawing fluid.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, described liquid-separating block 5 is a square block, in liquid-separating block 5, have point liquid bath 10, point liquid bath 10 be the cylinder groove of a level.One end of cylinder groove penetrates liquid-separating block 5 and is connected with water inlet pipe 4, and the other end is blind end.Some nozzle needle spring mounting holes are provided with in liquid return trough 12 axis at liquid-separating block 5 plan vertical.In order to material loading is convenient with cleaning automation, described nozzle needle spring mounting hole is in line and is evenly arranged.
Described water inlet pipe 4 one end is connected with the high-pressure water container holding water under high pressure and connects, and the other end is fixedly connected with liquid-separating block 5 by admitting pipe joint 9.Because the cleaning fluid that cleaning process adopts is water under high pressure, so water inlet pipe 4 can adopt high-pressure rubber pipe.One end of high-pressure rubber pipe extend in point liquid bath 10.
As shown in Figure 6, described liquid-separating block 5 end face nozzle needle spring mounting hole position is fixed with some nozzle needle seat slip caps 11 corresponding with nozzle needle spring mounting hole.The bottom of nozzle needle seat slip cap 11 is fixed by screw and liquid-separating block 5 end face, and top is coniform passing back in liquid return trough 12 that liquid block 6 extends to back on liquid block 6.Be the round cavity of hollow in the middle of nozzle needle seat slip cap 11, in inner chamber, be provided with nozzle needle spring 13, the top of inner chamber is coniform.As shown in Figure 5, in inner chamber, nozzle needle seat slip cap 11 and liquid-separating block 5 contact position are fixed with nozzle needle spring fixed screw 14.Between nozzle needle seat slip cap 11 and liquid-separating block 5, be provided with seal washer 15, prevent leak of liquid.In inner chamber, the top of nozzle needle spring is fixedly connected with nozzle needle seat 16.The bottom of nozzle needle seat is cylinder top is cone, and described cylinder and cone are integrated.The diameter of nozzle needle seat barrel portion and the diameter of inner chamber are suitable, and have gap between cavity wall in nozzle needle seat and nozzle needle seat slip cap 11, under the effect of nozzle needle spring, nozzle needle seat freely up and down can slide in inner chamber.The top of nozzle needle seat is the cone shape with inner cavity top form fit, and in the middle of nozzle needle seat, be provided with nozzle needle installing hole, nozzle needle is embedded in this nozzle needle installing hole, in order to improve the service life of nozzle needle, selects nozzle needle to be capillary tubing.The top of nozzle needle seat slip cap 11 has nozzle needle and stretches out hole, and described nozzle needle stretches out hole and nozzle needle installing hole coaxial line.In order to prevent cleaned after water under high pressure stretch out hole along nozzle needle and flow back in point liquid bath 10, the foreign material blocking nozzle needle in water stretches out hole, and affecting cleaning performance, is the bottom exceeding liquid return trough 12 by the top design of nozzle needle seat slip cap 11.
As shown in Figure 3, described time liquid block 6 is also a square block, and time liquid block 6 is provided with the circular liquid return trough 12 identical with point liquid bath 10 arranged direction.One end of liquid return trough 12 penetrates back liquid block 6 and is connected with return pipe 7, and the other end then penetrates back the opposite side of liquid block 6 and is provided with plug 18 at this end.Plug 18 can be taken off after repeatedly cleaned, the foreign material in liquid return trough 12 are developed by injected clear water in liquid return trough 12, clean liquid return trough 12.The bottom returning liquid block 6 has some nozzle needle seat slip cap 11 installing holes corresponding with nozzle needle seat slip cap 11, is provided with sealing ring, prevents the fluid leakage in liquid return trough 12 between nozzle needle seat slip cap 11 installing hole and nozzle needle seat slip cap 11.Nozzle needle seat slip cap 11 outer circumference surface is provided with ladder, and the bottom returning liquid block 6 contacts with this ladder to support and fixes.The top of liquid return trough 12 is also provided with sleeve installing hole, for the installation of sleeve.
Described return pipe 7 is fixedly connected with time liquid block 6 by returning pipe joint 20, and one end of return pipe 7 is connected with liquid withdrawal system, will clean the Water Sproading cycling and reutilization after endoporus.Liquid withdrawal system is also connected with high-pressure water container, and high-pressure water container is connected with water inlet pipe 4 by pipeline, between liquid withdrawal system and high-pressure water container, be provided with filter, recycles being sent in high-pressure water container after the filtering foreign in water.The pipeline that high-pressure water container is communicated with water inlet pipe 4 is provided with on-off valve, controls the break-make of on-off valve as required, realize to the water delivery in water inlet pipe 4 and stop water delivery.
Described valve fixed part 2 is some sleeves 19, and described sleeve is arranged in sleeve installing hole.Sleeve is fixedly connected with time liquid block 6 with sleeve pressing plate 21 by screw, and the use of sleeve pressing plate 21 can reduce the set-up time, after sleeve being inserted sleeve installing hole, covers sleeve pressing plate 21, with screw, sleeve pressing plate 21 is also returned liquid block 6 and fixes.The mounting arrangements of sleeve is identical with nozzle needle mounting arrangement.Sleeve has the fixing hole running through sleeve with hollow valve 25 form fit, during use, one end that hollow valve endoporus opens wide is placed downwards as in this fixing hole.Nozzle needle can extend into the blind end place of hollow valve endoporus by sleeve bottom.
In order to reduce the noise produced in cleaning process, sleeve 22 can be provided with between each sleeve.
Above each sleeve of correspondence, be provided with valve hold assembly 3, comprise some suckers 23, the top of sucker 23 is connected with cylinder piston rod, and cylinder 24 is fixed on cleaning machine by cylinder holder, and sucker 23 is identical with sleeve mounting arrangement.The bottom of sucker 23 is for realizing gripping valve, and during cleaning, when cylinder piston rod stretches out, sucker 23 falls, and the bottom of sucker 23 withstands on hollow valve and realizes being fixed hollow valve; Cleaned exhaust hood piston rod to retract, sucker 23 rises, and realizes loosening hollow valve, is taken off by hollow valve.
The cleaning process of this cleaning device is as follows:
As shown in Fig. 3, Fig. 4, Fig. 6, Fig. 7, be placed on by hollow valve in the hollow valve fixing hole on sleeve, cylinder piston rod stretches out, and sucker 23 falls, and the bottom of sucker 23 withstands on hollow valve end face and realizes being fixed hollow valve.Controller controls on-off valve and opens, and water under high pressure is flow in point liquid bath 10 from high-pressure water container by pipeline and water inlet pipe 4.Water under high pressure flow in nozzle needle seat slip cap 11 inner chamber in point liquid bath 10, due to the pressure effect of water under high pressure, promote nozzle needle seat upwards to move to rapidly nozzle needle seat top along nozzle needle seat slip cap 11 inner chamber and withstand on the top of nozzle needle seat slip cap 11 inner chamber (nozzle needle spring is stretched, as Fig. 3, shown in Fig. 6), now nozzle needle stretches out from the hole of stretching out of nozzle needle seat slip cap 11, the top of nozzle needle is just inserted into the blind end of hollow valve, and water under high pressure is ejected in hollow valve endoporus in nozzle needle.Greasy dirt in hollow valve endoporus, foreign material etc. are rinsed under the effect of water under high pressure.Then controller controls on-off valve cut out, and nozzle needle spring contraction, as shown in Fig. 4, Fig. 7, nozzle needle seat and nozzle needle get back to initial position under the effect of nozzle needle spring.In this process, the greasy dirt in hollow valve endoporus, impurity flow in liquid return trough 12 along hollow valve endoporus, then flow back in liquid withdrawal system through return pipe 7, and after filtering, be transferred back high-pressure water container realize recycling, environment protecting is good.So far the cleaning of an endoporus is completed.
Then repeat above-mentioned said process, achieve doing relatively reciprocating motion of nozzle needle and hollow valve endoporus, realize the repeatedly repeated washing to hollow valve endoporus by water under high pressure, cleaning performance is good, and does not produce pollutant.
Repeatedly after cleaning, cylinder piston rod is retracted, and sucker 23 rises, and the hollow valve absorption after cleaning is risen, is taken off by hollow valve, complete the cleaning of this batch of hollow valve endoporus.With changing the hollow valve needing cleaning, cleaning efficiency improves greatly, is applicable to batch production.
Regularly filter and liquid return trough 12 are cleaned, ensure cleaning performance.
Above-described embodiment is only the description carried out preferred embodiment of the present utility model; not scope of the present invention is limited; under the prerequisite not departing from the utility model design spirit; relevant technical staff in the field, to various distortion of the present utility model and improvement, all should expand in the determined protection domain of the utility model claims.
Claims (9)
1. a cleaning device for hollow valve cleaning machine, is characterized in that: the valve hold assembly comprising cleaning part, be fixed on the valve fixed part on cleaning part and be positioned at above valve fixed part; Described cleaning part comprises water inlet pipe, liquid-separating block, nozzle needle, returns liquid block and return pipe, described water inlet pipe is fixedly connected with liquid-separating block by admitting pipe joint, liquid-separating block side has level and divides liquid bath, and water inlet pipe is communicated with described point of liquid bath, and water inlet pipe is anti-high pressure rubber pipe; Described time liquid block side has horizontal liquid return trough, return pipe by returning pipe joint with return liquid block and to be fixedly connected with and return pipe is communicated with one end of liquid return trough; Some nozzle needle seat slip caps are fixed with at liquid-separating block upper surface, in nozzle needle seat slip cap, cavity inner sleeve is equipped with nozzle needle spring, the bottom of nozzle needle spring is fixed in nozzle needle seat slip cap by spring fixed screw, fix bottom the top of nozzle needle spring and nozzle needle seat, nozzle needle penetrates nozzle needle seat and extends the top certain distance of nozzle needle seat, nozzle needle seat slip cap top has nozzle needle and stretches out hole, and nozzle needle is capillary tubing; Described nozzle needle seat slip cap cavity bottom is communicated with a point liquid bath, and top is communicated with liquid return trough by nozzle needle.
2. the cleaning device of a kind of hollow valve cleaning machine according to claim 1, it is characterized in that: for cylindric bottom described nozzle needle seat, top is coniform, nozzle needle seat slip cap inner cavity top is coordinate with nozzle needle seat top shape coniform, has gap in nozzle needle seat and nozzle needle seat slip cap between cavity wall.
3. the cleaning device of a kind of hollow valve cleaning machine according to claim 2, is characterized in that: nozzle needle seat slip cap and return liquid interblock, be equipped with O RunddichtringO between nozzle needle seat slip cap and liquid-separating block.
4. the cleaning device of a kind of hollow valve cleaning machine according to claim 1, it is characterized in that: described valve fixed part is some sleeves, described sleeve by screw and sleeve pressing plate with return liquid block and to be fixedly connected with and identical with nozzle needle mounting arrangement, sleeve has the fixing hole running through sleeve with hollow valve form fit, this fixing hole can be stretched into from sleeve bottom in nozzle needle top.
5. the cleaning device of a kind of hollow valve cleaning machine according to claim 4, is characterized in that: described sleeve is in line and is uniformly distributed on time liquid block.
6. the cleaning device of a kind of hollow valve cleaning machine according to claim 5, is characterized in that: be provided with miniature muffler between described each sleeve.
7. the cleaning device of a kind of hollow valve cleaning machine according to claim 6, is characterized in that: liquid return trough penetrates into back the opposite side of liquid block from the side of sleeve barrel fixed seat, and is provided with plug in one end that liquid return trough is not connected with return pipe.
8. the cleaning device of a kind of hollow valve cleaning machine according to claim 7, it is characterized in that: liquid back pipe is connected with liquid withdrawal system, liquid withdrawal system is connected with high-pressure water container, high-pressure water container is connected with water inlet pipe by pipeline, between liquid withdrawal system and high-pressure water container, be provided with filter, the pipeline that high-pressure water container is communicated with water inlet pipe is provided with on-off valve.
9. the cleaning device of a kind of hollow valve cleaning machine according to claim 1, it is characterized in that: described valve hold assembly comprises some suckers, the top of sucker is connected with cylinder piston rod, and cylinder is fixed on cleaning machine by cylinder holder, and sucker is identical with sleeve mounting arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275065.7U CN204769759U (en) | 2015-04-30 | 2015-04-30 | Belt cleaning device of hollow valve cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275065.7U CN204769759U (en) | 2015-04-30 | 2015-04-30 | Belt cleaning device of hollow valve cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204769759U true CN204769759U (en) | 2015-11-18 |
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ID=54509887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520275065.7U Expired - Fee Related CN204769759U (en) | 2015-04-30 | 2015-04-30 | Belt cleaning device of hollow valve cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204769759U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774626A (en) * | 2016-08-24 | 2018-03-09 | 镇江维纳特气门有限公司 | A kind of inner chamber method for cleaning of the valve based on gas punching cleaning |
| CN107774627A (en) * | 2016-08-25 | 2018-03-09 | 镇江维纳特气门有限公司 | A kind of surfaces externally and internally furnace drying method for valve production |
| CN107774619A (en) * | 2016-08-24 | 2018-03-09 | 镇江维纳特气门有限公司 | A kind of surfaces externally and internally cleaning method of middle air gate |
-
2015
- 2015-04-30 CN CN201520275065.7U patent/CN204769759U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774626A (en) * | 2016-08-24 | 2018-03-09 | 镇江维纳特气门有限公司 | A kind of inner chamber method for cleaning of the valve based on gas punching cleaning |
| CN107774619A (en) * | 2016-08-24 | 2018-03-09 | 镇江维纳特气门有限公司 | A kind of surfaces externally and internally cleaning method of middle air gate |
| CN107774627A (en) * | 2016-08-25 | 2018-03-09 | 镇江维纳特气门有限公司 | A kind of surfaces externally and internally furnace drying method for valve production |
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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: 20151118 |