CN104949170A - Fire cover of gas stove, gas stove, manufacturing method of fire cover and gas stove, and burner of gas stove - Google Patents

Fire cover of gas stove, gas stove, manufacturing method of fire cover and gas stove, and burner of gas stove Download PDF

Info

Publication number
CN104949170A
CN104949170A CN201410115151.1A CN201410115151A CN104949170A CN 104949170 A CN104949170 A CN 104949170A CN 201410115151 A CN201410115151 A CN 201410115151A CN 104949170 A CN104949170 A CN 104949170A
Authority
CN
China
Prior art keywords
fire cover
gas
groove
cooker
fire
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.)
Granted
Application number
CN201410115151.1A
Other languages
Chinese (zh)
Other versions
CN104949170B (en
Inventor
Z·卡法利
李兴洲
吴君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Electrical Appliances Jiangsu Co Ltd
Original Assignee
BSH Electrical Appliances Jiangsu Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BSH Electrical Appliances Jiangsu Co Ltd filed Critical BSH Electrical Appliances Jiangsu Co Ltd
Priority to CN201410115151.1A priority Critical patent/CN104949170B/en
Publication of CN104949170A publication Critical patent/CN104949170A/en
Application granted granted Critical
Publication of CN104949170B publication Critical patent/CN104949170B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/08Hot-water central heating systems in combination with systems for domestic hot-water supply
    • F24D3/087Tap water heat exchangers specially adapted therefore
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D2203/00Gaseous fuel burners
    • F23D2203/10Flame diffusing means
    • F23D2203/101Flame diffusing means characterised by surface shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Gas Burners (AREA)
  • Cookers (AREA)

Abstract

The invention discloses a fire cover and a burner of a gas stove, the gas stove, and a manufacturing method of the fire cover of the gas stove and the gas stove. The fire cover of the gas stove comprises an inner side wall and an outer side wall which are opposite, the fire cover comprises a plurality of grooves which are moulded by virtue of a mould, and the grooves do not penetrate through the outer side wall; a flame stabilizing slot is formed in the outer side wall, and the flame stabilizing slot is respectively communicated with a plurality of grooves, so that a plurality of flame stabilizing holes are formed. The fire cover of the gas stove is easy to manufacture and is stable and reliable in quality.

Description

A kind of fire cover of gas-cooker, gas-cooker and manufacture method, burner for gas stove
[technical field]
The present invention relates to kitchen household electrical appliance, the fire cover referring in particular to a kind of gas-cooker, the burner with this fire cover, there is the gas-cooker of this burner, and a kind of fire cover of gas-cooker and the manufacture method of gas-cooker.
[background technology]
Existing fire cover for gas kitchen range is provided with main fire hole, and combustion gas and air flow out through main fire hole after mixing chamber mixes, and are formed flame by lighting.In order to allow the flame combustion of main fire hole stablize, generally one ring recess being set at main fire hole close beneath, and forming several holes and come connectivity slot and mixing chamber, the structure as disclosed in Chinese invention patent application CN101509672A.But in prior art, the hole of connectivity slot and mixing chamber is all after fire cover is shaping, boring bar tool is utilized to come outbreak out one by one, expend time on the one hand, the position on the other hand for boring in fire cover is narrow and small, and operation easier is high, and boring procedure forms some burrs, due to the existence of groove, these burrs not easily relief grinding, quality is unstable.
[summary of the invention]
Main purpose of the present invention is, improve for above-mentioned weak point, and a kind of fire cover of the convenient gas-cooker manufactured is provided, there is the burner of this fire cover and there is the gas-cooker of this burner, and provide a kind of fire cover of gas-cooker and the manufacture method of gas-cooker.
The present invention is achieved through the following technical solutions one of above-mentioned purpose: a kind of fire cover of gas-cooker, comprises relative madial wall and lateral wall, and described fire cover comprises several by formed in mould groove, and described groove does not penetrate described lateral wall; Described lateral wall is provided with steady flame groove, and described steady flame groove is connected with several grooves described respectively and forms several stable flame holes.The present invention utilizes mould to complete the manufacture of several grooves simultaneously, defines several stable flame holes when the steady flame groove of follow-up manufacture.Several stable flame holes are formed by the mode of holing one by one or other machines is processed compared to prior art, stable flame hole of the present invention manufactures more convenient, the time cost manufacturing fire cover can greatly reduce, and even be conducive to the production efficiency improving the whole gas-cooker of fire cover, secondly, fire cover of the present invention is stable and controllable for quality, not easily produces burr.
Optionally, described fire cover comprises several main fire holes running through described madial wall and described lateral wall, and described steady flame groove is arranged at above or below described main fire hole.
Optionally, several grooves described utilize mould forging to form.Like this, utilize mould forging molding, time processing just defines several grooves.
Optionally, described fire cover is rounded or annular, and described steady flame groove is the end to end groove of a circle formed along the circumferencial direction of described fire cover.In specific implementation, can enclose along the circumferencial direction milling one of fire cover the groove closed.
Optionally, each described groove is arranged between two adjacent described main fire holes.The making space making full use of fire cover allows main fire hole and stable flame hole be uniformly distributed, to make burned flame evenly." each described groove is arranged between two adjacent described main fire holes " is not in absolute sense, get rid of the position near fire tank.Because the setting of fire tank, the groove near fire tank is caused just in time not to be between two adjacent described main fire holes.
In order to well the processing of groove be combined with the self structure of fire cover, and without the need to revising existing mould too much, the fire cover of described gas-cooker also comprises and is extended outwardly by the edge of described madial wall and form the first wall, and described groove forms with on described first wall be connected the first opening and the second opening in described madial wall respectively.
Further, consider installation and the location of fire cover, described first wall is vertical with described madial wall.Thus, the first wall can support described fire cover and be positioned in burner base.
Optionally, the sectional area being parallel to the periphery of described fire cover of described groove reduces gradually along the depth direction of described groove.This structure is beneficial to after groove formed, and facilitates the disengaging of fire cover body and mould.
Optionally, described fire cover is interior ring fire cover or external ring fire cover.
The present invention also provides a kind of burner of gas-cooker, and it comprises fire cover as above.
Optionally, described burner comprises burner base; Described fire cover is arranged in described burner base; Form mixing chamber between described burner base and described fire cover, described steady flame groove is connected with described mixing chamber by several stable flame holes described.Steady flame groove can be flow to through stable flame hole after combustion gas in mixing chamber mixes with air.
The present invention provides again a kind of gas-cooker, and it comprises burner as above.
Based on a total inventive concept, the present invention proposes a kind of manufacture method of fire cover of gas-cooker, it comprises the following steps: the fire cover body that a. provides to have relative madial wall and a lateral wall, and described fire cover body forms by mould molding the groove that several do not penetrate described lateral wall; B. on described lateral wall, form steady flame groove, described steady flame groove is connected with several grooves described respectively and forms several stable flame holes.In prior art, fire cover forms stable flame hole, general form stable flame hole one by one by boring or other machines processing mode, process trouble, consuming time, and stable flame hole difficult quality guarantee, the burr that boring produces, is difficult to eliminate.Compared to prior art, manufacture method of the present invention reduces the trouble of machine pore-creating, and saved manufacturing time, and the method is also more easy to operate, produced fire cover is stable and controllable for quality.
Optionally, described step a is further comprising the steps: a1. utilizes cast shaping process to provide a fire cover body; A2. mould forging molding on described fire cover body is utilized to go out several grooves.
Optionally, after described step a and before described step b or afterwards, also comprise step c on described fire cover body, form several main fire holes running through described madial wall and described lateral wall.
The present invention separately proposes a kind of manufacture method of gas-cooker, and it comprises the manufacture method of the fire cover of gas-cooker as above.Manufacture method of the present invention is conducive to the production efficiency improving gas-cooker.
[accompanying drawing explanation]
Fig. 1 is the stereogram of the fire cover of the gas-cooker of one embodiment of the invention;
Fig. 2 is the enlarged drawing of a-quadrant in Fig. 1;
Fig. 3 is the sectional view of the fire cover of the gas-cooker of one embodiment of the invention;
Fig. 4 is the front view of the fire cover of the gas-cooker of one embodiment of the invention;
Fig. 5 is the sectional view of Fig. 4 along B-B line;
Fig. 6 is the enlarged drawing in B region in Fig. 5;
Fig. 7 is the stereogram of the fire cover of one embodiment of the invention;
Fig. 8 is the enlarged drawing in C region in Fig. 7;
Fig. 9 is the sectional view of the burner of the gas-cooker of one embodiment of the invention;
Figure 10 is the enlarged drawing in D region in Fig. 9.
Reference numeral:
1-burner; 10-fire cover; 11-madial wall; 12-lateral wall; 13-first wall; 20-burner base; 30-mixing chamber; 100-groove; The steady flame groove of 110-; 120-stable flame hole; The main fire hole of 130-; 100a-first opening; 100b-second opening.
[detailed description of the invention]
For making there is further understanding to object of the present invention, structure, feature and function thereof, embodiment is hereby coordinated to be described in detail as follows.
As shown in Figures 1 to 8, the present invention is described for a kind of external ring fire cover of gas-cooker, and certainly, the present invention is applicable to interior ring fire cover completely.The shape of fire cover can be designed to circle or annular, although show with a kind of fire cover of annular in cited embodiment.The fire cover 10 of gas-cooker comprises relative madial wall 11 and lateral wall 12.Lateral wall 12 is that fire cover 10 is exposed to an outer sidewall, and it is inner and relative with lateral wall 12 that madial wall 11 is positioned at fire cover 10.Fire cover 10 comprises several main fire holes 130 running through madial wall 11 and lateral wall 12, and gas-air sprays through main fire hole 130, is lighted rear formation flame.Please emphasis with reference to Fig. 3, Fig. 6 and Fig. 8, fire cover 10 comprises several by formed in mould groove 100, and groove 100 does not penetrate lateral wall 12.Lateral wall 12 is provided with steady flame groove 110, and to prevent the flame shake of main fire hole 130 or to extinguish, steady flame groove 110 is connected with several grooves 100 respectively and forms several stable flame holes 120.When fire cover 10 is placed as during its work, namely as shown in Figure 1, steady flame groove 110 is formed at the below of main fire hole 130.Steady flame groove 110 is the end to end grooves of a circle formed along the circumferencial direction of fire cover 10.
Please refer to Fig. 7 and Fig. 8, Fig. 7 is the stereogram of the fire cover of one embodiment of the invention, and Fig. 8 is the enlarged drawing in C region in Fig. 7.Specific in one embodiment of the invention, first adopt cast shaping process to obtain a fire cover body, recycling mould forging molding on fire cover body goes out several grooves 100.And steady flame groove 110 is after producing groove, adopt milling or drilling etc. the mode of machining fire cover body is processed to form further.Stable flame hole 120 quality that this mode is formed is more stable, not easily forms burr.As shown in Fig. 3, Fig. 5 and Fig. 7, each groove 100 is arranged between two adjacent main fire holes 130, and main fire hole 130 can be evenly distributed with stable flame hole 120, reaches the object of homogeneous heating.
Please refer to Fig. 7 and Fig. 8, Fig. 7 is the stereogram of the fire cover of one embodiment of the invention, and Fig. 8 is the enlarged drawing in C region in Fig. 7.The fire cover 10 of gas-cooker also comprises and is extended outwardly by the edge of madial wall 11 and form the first wall 13, groove 100 in madial wall 11 with the first wall 13 is formed respectively the first opening 100a and the second opening 100b that is connected.Conveniently manufacture shaping, the shape of the first opening 100a and the second opening 100b be rectangle, trapezoidal or other be easy to formed in mould shape.As shown in Figure 6, further, conveniently after groove is formed, fire cover body and mould separating, the sectional area being parallel to the periphery of fire cover 10 of groove 100 reduces gradually along the depth direction of groove 100.Direction Y in Fig. 6 illustrates the depth direction of groove 100, and it is perpendicular to fire cover 10 periphery.So, can find out in Fig. 6 that the shape of the first opening 100a is trapezoidal.In addition, as shown in Figure 8, the first wall 13 is vertical with madial wall 11.But the angle that in fact, the first wall 13 and madial wall are is all feasible in 90 ° ~ 150 ° (comprising two endpoint values) scopes.
As shown in Figures 9 and 10, the invention provides a kind of burner of gas-cooker, Fig. 9 is the sectional view of the burner of the gas-cooker of one embodiment of the invention, and Figure 10 is the enlarged drawing in D region in Fig. 9.Burner 1 comprises fire cover 10 as above and burner base 20.Fire cover 10 is arranged in burner base 20, forms mixing chamber 30 between burner base 20 and fire cover 10, and combustion gas mixes in mixing chamber 30 with air, and steady flame groove 110 is connected with mixing chamber 30 by several stable flame holes 120.
At this, the invention provides a kind of gas-cooker, it comprises burner 1 as above.
In addition, the present invention also provides a kind of manufacture method of fire cover 10 of gas-cooker, and it comprises the following steps:
A. provide one to have relative madial wall 11 and the fire cover body of lateral wall 12, fire cover body forms several grooves 100 not penetrating lateral wall 12 by mould molding;
B. on lateral wall 12, form steady flame groove 110, steady flame groove 110 is connected with several grooves 100 respectively and forms several stable flame holes 120.
Specifically, step a is further comprising the steps: a1. utilizes cast shaping process to provide a fire cover body; A2. mould forging molding on described fire cover body is utilized to go out several grooves 100.
In step b, steady flame groove 110 can be formed by the mode of milling on the lateral wall 12 of fire cover body.The degree of depth of steady flame groove 110 will make steady flame groove 110 to be connected with each groove 100 respectively and to form several stable flame holes 120.The present invention creatively utilizes die molding method first to form several grooves, then utilizes the step forming steady flame groove, forms several stable flame holes; avoid the trouble of machine broach; stable and controllable for quality, be easier to large-scale manufacture, improve the efficiency of production fire cover.
Further, after step a, and step b before or afterwards, also comprise step c on fire cover body, form several main fire holes 130 running through madial wall 11 and lateral wall 12.In step c, such as, be form several main fire holes 130 by the mode of boring.Main fire hole 130 can above steady flame groove 110 or below formed.
Finally, the invention provides a kind of manufacture method of gas-cooker, it comprises the manufacture method of the fire cover of gas-cooker as above.
The present invention is described by above-mentioned related embodiment, but above-described embodiment is only enforcement example of the present invention.Must it is noted that the embodiment disclosed limit the scope of the invention.On the contrary, change done without departing from the spirit and scope of the present invention and retouching, all belong to scope of patent protection of the present invention.

Claims (16)

1. the fire cover (10) of a gas-cooker, comprises relative madial wall (11) and lateral wall (12), it is characterized in that,
Described fire cover (10) comprises several by formed in mould groove (100), and described groove (100) does not penetrate described lateral wall (12);
Described lateral wall (12) is provided with steady flame groove (110), and described steady flame groove (110) is connected with described several grooves (100) and forms several stable flame holes (120) respectively.
2. the fire cover (10) of gas-cooker as claimed in claim 1, it is characterized in that, described fire cover (10) comprises several main fire holes (100) running through described madial wall (11) and described lateral wall (12), and described steady flame groove (110) is arranged at above or below described main fire hole (100).
3. the fire cover (10) of gas-cooker as claimed in claim 1, is characterized in that, described several grooves (100) utilize mould to forge and form.
4. the fire cover (10) of gas-cooker as claimed in claim 1, it is characterized in that, described fire cover (10) is rounded or annular, described steady flame groove (110) be formed along the circumferencial direction of described fire cover (10) one enclose end to end groove.
5. the fire cover (10) of gas-cooker as claimed in claim 2, it is characterized in that, each described groove (100) is arranged between two adjacent described main fire holes (100).
6. the fire cover (10) of gas-cooker as claimed in claim 1, it is characterized in that, also comprise and extended outwardly by the edge of described madial wall (11) and form the first wall (13), described groove (100) in described madial wall (11) with described first wall (13) is formed respectively be connected the first opening (100a) and the second opening (100b).
7. the fire cover (10) of gas-cooker as claimed in claim 6, it is characterized in that, described first wall (13) is vertical with described madial wall (11).
8. the fire cover (10) of gas-cooker as claimed in claim 1, is characterized in that, the sectional area being parallel to the periphery of described fire cover (10) of described groove (100) diminishes gradually along the depth direction of described groove (100).
9. the fire cover (10) of the gas-cooker according to any one of claim 1-8, is characterized in that, described fire cover (10) is interior ring fire cover or external ring fire cover.
10. the burner (1) of a gas-cooker, is characterized in that, comprises fire cover as claimed in any one of claims 1-9 wherein (10).
The burner (1) of 11. gas-cookers as claimed in claim 10, is characterized in that,
Comprise burner base (20);
Described fire cover (10) is arranged in described burner base (20);
Form mixing chamber (30) between described burner base (20) and described fire cover (10), described steady flame groove (110) is connected with described mixing chamber (30) by described several stable flame holes (120).
12. 1 kinds of gas-cookers, is characterized in that, comprise the burner (1) as described in claim 10 or 11.
The manufacture method of the fire cover (10) of 13. 1 kinds of gas-cookers, is characterized in that, comprise the following steps:
A. provide one to have relative madial wall (11) and the fire cover body of lateral wall (12), described fire cover body forms several grooves not penetrating described lateral wall (12) (100) by mould molding;
B. the steady flame groove (110) of the upper formation of described lateral wall (12), described steady flame groove (110) is connected with described several grooves (100) and forms several stable flame holes (120) respectively.
The manufacture method of 14. fire covers (10) as claimed in claim 13, it is characterized in that, described step a is further comprising the steps:
A1. cast shaping process is utilized to provide a fire cover body;
A2. mould forging molding on described fire cover body is utilized to go out several grooves (100).
The manufacture method of 15. fire covers (10) as claimed in claim 13, is characterized in that, after described step a and before described step b or afterwards, also comprises step:
C. on described fire cover body, form the main fire hole (100) that several run through described madial wall (11) and described lateral wall (12).
The manufacture method of 16. 1 kinds of gas-cookers, is characterized in that, comprises the manufacture method of the fire cover (10) of the gas-cooker according to any one of claim 13-15.
CN201410115151.1A 2014-03-26 2014-03-26 A kind of fire cover of gas-cooker, gas-cooker and its manufacturing method, burner for gas stove Active CN104949170B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410115151.1A CN104949170B (en) 2014-03-26 2014-03-26 A kind of fire cover of gas-cooker, gas-cooker and its manufacturing method, burner for gas stove

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410115151.1A CN104949170B (en) 2014-03-26 2014-03-26 A kind of fire cover of gas-cooker, gas-cooker and its manufacturing method, burner for gas stove

Publications (2)

Publication Number Publication Date
CN104949170A true CN104949170A (en) 2015-09-30
CN104949170B CN104949170B (en) 2018-06-08

Family

ID=54164048

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410115151.1A Active CN104949170B (en) 2014-03-26 2014-03-26 A kind of fire cover of gas-cooker, gas-cooker and its manufacturing method, burner for gas stove

Country Status (1)

Country Link
CN (1) CN104949170B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5085202A (en) * 1989-12-12 1992-02-04 Robertshaw Controls Company Burner construction and method of making the same
JP2000074321A (en) * 1998-08-25 2000-03-14 Harman Co Ltd Burner for gas cooking appliance
KR100682664B1 (en) * 2005-12-08 2007-02-15 엘지전자 주식회사 Double burner structure for transfering fire from small burner to lage burner or lage burner to small burner
CN201155762Y (en) * 2008-01-29 2008-11-26 樱花卫厨(中国)有限公司 Furnace end fire cover
CN201513893U (en) * 2009-09-24 2010-06-23 翁裕华 Ring-shaped fire cover for gas stove burner
JP4641278B2 (en) * 2006-05-02 2011-03-02 リンナイ株式会社 Gas burner
US20110086318A1 (en) * 2009-10-09 2011-04-14 American Wyott Corporation Method and apparatus for maintaining stable flame conditions in a gas burner
CN103162292A (en) * 2013-02-26 2013-06-19 宁波方太厨具有限公司 Burner outer flame cover
CN103388843A (en) * 2013-07-18 2013-11-13 宁波方太厨具有限公司 Novel high-efficiency energy-saving environmentally-friendly combustor

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5085202A (en) * 1989-12-12 1992-02-04 Robertshaw Controls Company Burner construction and method of making the same
JP2000074321A (en) * 1998-08-25 2000-03-14 Harman Co Ltd Burner for gas cooking appliance
KR100682664B1 (en) * 2005-12-08 2007-02-15 엘지전자 주식회사 Double burner structure for transfering fire from small burner to lage burner or lage burner to small burner
JP4641278B2 (en) * 2006-05-02 2011-03-02 リンナイ株式会社 Gas burner
CN201155762Y (en) * 2008-01-29 2008-11-26 樱花卫厨(中国)有限公司 Furnace end fire cover
CN201513893U (en) * 2009-09-24 2010-06-23 翁裕华 Ring-shaped fire cover for gas stove burner
US20110086318A1 (en) * 2009-10-09 2011-04-14 American Wyott Corporation Method and apparatus for maintaining stable flame conditions in a gas burner
CN103162292A (en) * 2013-02-26 2013-06-19 宁波方太厨具有限公司 Burner outer flame cover
CN103388843A (en) * 2013-07-18 2013-11-13 宁波方太厨具有限公司 Novel high-efficiency energy-saving environmentally-friendly combustor

Also Published As

Publication number Publication date
CN104949170B (en) 2018-06-08

Similar Documents

Publication Publication Date Title
MX2017006428A (en) Method of manufacturing a component of a rotary machine and component manufactured using said method.
CN201832905U (en) Mould system for automobile covering piece
CN104949170A (en) Fire cover of gas stove, gas stove, manufacturing method of fire cover and gas stove, and burner of gas stove
CN104589007A (en) Machining technology of tire mold
CN202339864U (en) Key assembling structure for electronic equipment
CN204592406U (en) The composite structure of a kind of shower faucet and spool
CN202195521U (en) Energy-saving bracket of fuel gas kitchen range
CN204182916U (en) Powder metallurgical gear shaping mould
CN202804212U (en) Finish machining molding cutter
CN102601581A (en) Gearbox of agricultural tillage and scarification equipment and method for manufacturing gearbox
CN205478948U (en) Modular bearing room end cover
CN105583392A (en) Core sliding block for die casting of oil pump housing
CN205579485U (en) Equipment lamp
JP2009109036A (en) Concentric burner and manufacturing method of the same
CN211900843U (en) Magnetic conduction cup
CN105013935A (en) Punching die structure used for punching metal plate piece lightening holes
CN202762833U (en) Suppressing tooling of wind-guiding blade
CN204345710U (en) The casing that a kind of plug-in unit is easily installed
CN205021866U (en) Shell of charger mould
CN203356667U (en) Machining tool for oil cylinder flange mounting screw holes
CN210373436U (en) High-power medium groove fire cover
CN203944889U (en) A kind of for processing the interior cold step drill of valve parts closed hole
CN103555898A (en) Pressure-quenching mold for high-grade cone
CN205048445U (en) Furnace end distributor of height temperature hybrid chamber
CN204741531U (en) Loudspeaker body with location

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant