CN106002860A - Strengthened assembly type hand tool - Google Patents
Strengthened assembly type hand tool Download PDFInfo
- Publication number
- CN106002860A CN106002860A CN201610581094.5A CN201610581094A CN106002860A CN 106002860 A CN106002860 A CN 106002860A CN 201610581094 A CN201610581094 A CN 201610581094A CN 106002860 A CN106002860 A CN 106002860A
- Authority
- CN
- China
- Prior art keywords
- bushing pipe
- tool
- groove
- trousers
- bushing
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/04—Handle constructions telescopic; extensible; sectional
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B1/00—Hand tools
- A01B1/02—Spades; Shovels
Abstract
A strengthened assembly type hand tool comprises a tool head part, tool pants, a tool handle and a handle. The tool handle comprises a first pipe and a second pipe which are connected through a clamping screwing manner. The tool pants are of a cylindrical structure. A tool pants limiting body is inserted in the tool pants, and the limiting face of the tool pants limiting body is of an inward-concave groove structure. The tool pants are provided with two opposite L-shaped tool pants clamping grooves. The tool pants clamping grooves are opened from the pants ends and extend in the tool pants depth direction, and transverse parts of groove end portions are obliquely arranged. According to the hand tool, the tool handle of the hand tool is of an assembly type split structure, connection and fixation are conducted through the clamping screwing manner, the connection relationship is firm and stable, and waggling is not likely to be generated. The strength of the connecting part is large, high-strength work can be finished, assembly is easy, and manufacturing is easy.
Description
Technical field
The present invention relates to a kind of hand-held tool, a kind of reinforced assembled hand-held tool.
Background technology
The attachment structure of existing hand-held tool is varied, and the version of hand tool handle is the most ever-changing, by vast
What the consumer group welcome is capable of a handle bull for assembled split hand-held tool, i.e. hand-held tool and dismounts at any time and exchange, this
Hand-held tool volume is little, it is simple to collects and transports.But, along with consumer uses the requirement of environment and self-strength more to hand-held tool
Coming the highest, current Simple assembled hand-held tool can not meet the demand using environment changeable, and existing assembled is manual
The handle of tool is simple body of rod series connection, and the intensity of its connecting portion does not meets and is actually needed, and causes hand-held tool short for service life
Puzzlement.
Summary of the invention
The present invention be directed to the technological deficiency mentioned in background technology, it is provided that a kind of Stability Analysis of Structures, easy to assembly, intensity is big
Reinforced assembled hand-held tool.
The technical solution adopted in the present invention is: a kind of reinforced assembled hand-held tool, including tool head, instrument trousers,
Handle for tool and handle, described handle for tool includes that the first body and the second body, the first body and the second body lead to respectively
Cross clamping screw-fashion to connect；
Described instrument trousers are tubular construction, are fitted with instrument trousers limit body in instrument trousers, the confined planes of this instrument trousers limit body
For concave shaped trough body structure；Being provided with the instrument trousers draw-in groove of two relative L-shaped on instrument trousers, instrument trousers draw-in groove is by trousers end opening
And extend toward instrument trousers depth direction, the lateral part of groove end is obliquely installed；
Described bushing pipe includes setting up separately at the first bushing pipe within the first body two ends and the second bushing pipe:
The outer end of the first bushing pipe is fitted with the first bushing pipe arrived piece, and inner end is a plurality of cracking and the contraction mouth structure of band tapering, shrinks
The internal lining of port part is equipped with the first bushing pipe tube stay；The end face of the first bushing pipe arrived piece is the convex that the confined planes with limit body matches
Structure；Being provided with the first bushing pipe alignment pin on first bushing pipe, this alignment pin is corresponding with instrument trousers draw-in groove；
The outer end of the second bushing pipe is concordant with the first body port, and bushing pipe outer end body is provided with two relative L-shaped bushing pipe cards
Groove, bushing pipe draw-in groove extends from bushing pipe port openings and toward depth direction, and the lateral part of groove end is obliquely installed；Second bushing pipe
Inner end is a plurality of cracking and the contraction mouth structure of band tapering, and contraction mouth part interior serves as a contrast equipped with the second bushing pipe arrived piece, this second lining
The inner end of pipe arrived piece is the spacing end face of concave shaped, and the other end is convex architecture；
The tail end of the second described body is provided with shakes hands, and is fitted with the 3rd bushing pipe inside the other end；Outside described 3rd bushing pipe
End is the structure that directly closes up, and the external diameter after closing in is less than the size of the second bushing pipe internal diameter；The closing in part interior plug-in mounting of the 3rd bushing pipe
Having the second bushing pipe tube stay, the end face of this second bushing pipe tube stay is the convex architecture that the confined planes with the second bushing pipe arrived piece matches；
The inner end of the 3rd bushing pipe is the contraction mouth structure of a plurality of stitched open band tapering, and contraction mouth part interior is equipped with the 3rd bushing pipe tube stay；The
The outer section of three bushing pipes is provided with the 3rd bushing pipe alignment pin, and the bushing pipe draw-in groove on this alignment pin and the second bushing pipe is corresponding；
Described cuff is sleeved on outside the binding site of instrument trousers and the first body；Described outer gum cover is sleeved on the first body and
Outside the binding site of two bodys.
Instrument trousers limit body and the first bushing pipe arrived piece, the convex mechanism of the second bushing pipe arrived piece and the second bushing pipe tube stay and indent
Confined planes is the concavo-convex structures that offset such as the sphere, the conical surface or the round table surface that are mutually matched.
First bushing pipe one end is inserted in the first body port, in another end inserting tool trousers, and the convex of the first bushing pipe arrived piece
Structure fits with the concave surface of instrument trousers limit body, and the first bushing pipe alignment pin inserts in instrument trousers draw-in groove, rotates the first body real
Existing alignment pin locking；
Second bushing pipe inserts inside the first body another port, and the second tubular body is inserted in one end of the 3rd bushing pipe, is placed in this end
The convex architecture of the second bushing pipe tube stay in portion and the concave surface of the second bushing pipe arrived piece fit, and the alignment pin of the 3rd bushing pipe inserts bushing pipe
In draw-in groove, rotate the second body and realize alignment pin locking.
First bushing pipe tube stay, the concave portion of the second bushing pipe arrived piece and the 3rd bushing pipe tube stay shrink with the first bushing pipe respectively
Mouth, the attachment structure of cooperation of rising for support between the second bushing pipe contraction mouth and the band tapering contraction mouth of the 3rd bushing pipe.
Compared with prior art, this hand-held tool disclosed in this invention, its handle for tool is assembled Split type structure, logical
Cross clamping screw-fashion and connect fixing, not only annexation firm stable, it is not likely to produce and rocks, and the intensity of coupling part is relatively
Greatly, it is possible to complete high-strength working, assemble easily, make simple.
Accompanying drawing explanation
Fig. 1 is the overall structure exploded view of the present invention.
Fig. 2 is tool head and instrument trousers attachment structure schematic diagram in the present invention.
Fig. 3 is the first pipe structure schematic diagram in the present invention.
Fig. 4 is the second pipe structure schematic diagram in the present invention.
Fig. 5 is instrument trousers notch schematic diagram in the present invention.
Fig. 6 is bushing pipe locating slot structural representation in the present invention.
In figure: tool head 1, instrument trousers 2, cuff 3, the first bushing pipe 4, the first body 5, outer gum cover 6, the second body 7,
Hands 8, instrument trousers limit body 9, the first bushing pipe arrived piece 10, the first bushing pipe tube stay 11, the second bushing pipe arrived piece 12, the second bushing pipe 13, the
Three bushing pipes 14, the 3rd bushing pipe tube stay 15, bushing pipe locating slot 16, instrument trousers draw-in groove 17, the second bushing pipe tube stay 18.
Detailed description of the invention
The present invention will be further described with embodiment below in conjunction with the accompanying drawings.
See accompanying drawing 1-6, this hand-held tool disclosed in this invention, including tool head 1, instrument trousers 2, cuff 3, first
Bushing pipe 4, the first body 5, outer gum cover 6, the second body 7, handle 8, instrument trousers limit body 9, the first bushing pipe arrived piece 10, the first bushing pipe
Tube stay 11, the second bushing pipe arrived piece 12, the second bushing pipe 13, the 3rd bushing pipe 14, the 3rd bushing pipe tube stay 15, bushing pipe locating slot 16, instrument
Trousers draw-in groove 17, the second bushing pipe tube stay 18.
Handle for tool includes that the first body and the second body, the first body and the second body are two independent bodys, work
Respectively by bushing pipe assembly and connection between tool trousers and the first body, the first body and the second body, screw for clamping between them
Connected mode.
As preferably, instrument trousers are cylindrical structure, are fitted with instrument trousers limit body in instrument trousers, this instrument trousers limit body one
End is the spherical structure of evagination, and the other end is the spherical structure of indent.Instrument trousers be bottom be conically shaped, the ball of positioning body end
Shape structure is placed in conically shaped, and it plays supporting fixing effect.Instrument trousers two sides are relatively set with the instrument trousers card of L-shaped
Groove, instrument trousers draw-in groove is by trousers end opening, and extends toward instrument trousers depth direction, and the lateral part of groove end is obliquely installed.
Bushing pipe includes being inserted into the first bushing pipe within the first body two ends and the second bushing pipe respectively.
Being fitted with the first bushing pipe arrived piece in the exterior side port of the first bushing pipe, inboard port is a plurality of cracking and the receipts of band tapering
Throat structure, port internal sleeve is equipped with the first bushing pipe tube stay.The end face of the first bushing pipe arrived piece and instrument trousers limit body end
The spherical structure of the evagination that spherical structure matches.Be provided with the first bushing pipe alignment pin in first liner sidewall, this alignment pin with
Instrument trousers draw-in groove is corresponding.Alignment pin is spherical to instrument trousers limit body outer end with locating slot to the distance of convex spherical structure end face
The distance of concave surface is corresponding.
The outer end of the second bushing pipe is concordant with the first body port, the L that on the second bushing pipe outer end body, the company of setting is relative
Shape bushing pipe draw-in groove.Bushing pipe draw-in groove extends from bushing pipe port openings and toward depth direction, and the lateral part of groove end is obliquely installed.The
The inboard port of two bushing pipes is a plurality of cracking and the contraction mouth structure of band tapering, and port internal sleeve is equipped with the second bushing pipe arrived piece；The
Two bushing pipe arrived piece inner ends are the spherical structure of evagination, and the other end is the spherical structure of indent.
The tail end of the second body is provided with handle, is fitted with the 3rd bushing pipe inside the other end.The outer end of the 3rd bushing pipe is straight
Closing-in structure, i.e. its port are cone cylinder structure, and barrel is for facing directly, without cracking.External diameter after closing in is less than the second bushing pipe internal diameter
Size about 1 millimeter.Be fitted with the second bushing pipe tube stay inside the closing in position of the 3rd bushing pipe, this second bushing pipe tube stay with
The convex spherical structure that the indent spherical structure of the second bushing pipe arrived piece end matches.The inner end of the 3rd bushing pipe be a plurality of crack and
With the contraction mouth structure of tapering, port internal sleeve is equipped with the 3rd bushing pipe tube stay.It is fixed that the outer section of the 3rd bushing pipe is provided with the 3rd bushing pipe
Position pin, the bushing pipe draw-in groove on this alignment pin and the second bushing pipe is corresponding.Alignment pin serves as a contrast to the distance of the 3rd bushing pipe end with second
On pipe, bushing pipe draw-in groove is corresponding to the distance of the second bushing pipe arrived piece sphere female parts.
Cuff is sleeved on outside the binding site of instrument trousers and the first body；Described outer gum cover is sleeved on the first body and
Outside the binding site of two bodys.
Preferably, instrument trousers limit body and the first bushing pipe arrived piece, the second bushing pipe arrived piece and the second bushing pipe tube stay
Convex mechanism and indent confined planes are the concavo-convex structures that offset such as the sphere, the conical surface or the round table surface that are mutually matched.
The installation method of the handle for tool of this hand-held tool disclosed in this invention is: the first pipe is inserted in first bushing pipe one end
In body port, in another end inserting tool trousers, the concave portion of the first bushing pipe arrived piece and the inner fovea part split-phase of instrument trousers limit body
Laminating, the first bushing pipe alignment pin inserts in instrument trousers draw-in groove, rotates the first body and realizes alignment pin and slide in draw-in groove, due to card
Groove lateral part is obliquely installed, and realizes alignment pin locking in sliding process；Second bushing pipe inserts in the first body another port
Portion, the second bushing pipe tube stay of the 3rd bushing pipe one end inserts the second tubular body, and fits with the concave surface of the second bushing pipe arrived piece, and the 3rd
The conical pipe of bushing pipe end and the docking of the second bushing pipe end are plug-in, and the 3rd bushing pipe alignment pin inserts in bushing pipe draw-in groove, turns
Dynamic second body, it is achieved alignment pin slides in draw-in groove, owing to draw-in groove lateral part is obliquely installed, it is fixed to realize in sliding process
Position pin locked.Cuff is sleeved on outside the binding site of instrument trousers and the first body；Described outer gum cover be sleeved on the first body with
Outside the binding site of the second body.
First bushing pipe pipe, the concave portion of the second bushing pipe arrived piece and the 3rd bushing pipe tube stay are many with the first bushing pipe end respectively
Article crack and the contraction mouth of band tapering, a plurality of of the second bushing pipe end are cracked and the contraction mouth of band tapering and the 3rd bushing pipe end
The attachment structure of a plurality of interference fit cracked and rise for support between the contraction mouth of band tapering.
Claims (4)
1. a reinforced assembled hand-held tool, including tool head, instrument trousers, handle for tool and handle, it is characterised in that institute
The handle for tool stated includes that the first body and the second body, the first body and the second body are respectively by clamping screw-fashion even
Connect；
Described instrument trousers are tubular construction, are fitted with instrument trousers limit body in instrument trousers, the confined planes of this instrument trousers limit body
For concave shaped trough body structure；Being provided with the instrument trousers draw-in groove of two relative L-shaped on instrument trousers, instrument trousers draw-in groove is by trousers end opening
And extend toward instrument trousers depth direction, the lateral part of groove end is obliquely installed；
Described bushing pipe includes setting up separately at the first bushing pipe within the first body two ends and the second bushing pipe:
The outer end of the first bushing pipe is fitted with the first bushing pipe arrived piece, and inner end is a plurality of cracking and the contraction mouth structure of band tapering, shrinks
The internal lining of port part is equipped with the first bushing pipe tube stay；The end face of the first bushing pipe arrived piece is the convex that the confined planes with limit body matches
Structure；Being provided with the first bushing pipe alignment pin on first bushing pipe, this alignment pin is corresponding with instrument trousers draw-in groove；
The outer end of the second bushing pipe is concordant with the first body port, and bushing pipe outer end body is provided with two relative L-shaped bushing pipe cards
Groove, bushing pipe draw-in groove extends from bushing pipe port openings and toward depth direction, and the lateral part of groove end is obliquely installed；Second bushing pipe
Inner end is a plurality of cracking and the contraction mouth structure of band tapering, and contraction mouth part interior serves as a contrast equipped with the second bushing pipe arrived piece, this second lining
The inner end of pipe arrived piece is the spacing end face of concave shaped, and the other end is convex architecture；
The tail end of the second described body is provided with shakes hands, and is fitted with the 3rd bushing pipe inside the other end；Outside described 3rd bushing pipe
End is the structure that directly closes up, and the external diameter after closing in is less than the size of the second bushing pipe internal diameter；The closing in part interior plug-in mounting of the 3rd bushing pipe
Having the second bushing pipe tube stay, the end face of this second bushing pipe tube stay is the convex architecture that the confined planes with the second bushing pipe arrived piece matches；
The inner end of the 3rd bushing pipe is the contraction mouth structure of a plurality of stitched open band tapering, and contraction mouth part interior is equipped with the 3rd bushing pipe tube stay；The
The outer section of three bushing pipes is provided with the 3rd bushing pipe alignment pin, and the bushing pipe draw-in groove on this alignment pin and the second bushing pipe is corresponding；
Described cuff is sleeved on outside the binding site of instrument trousers and the first body；Described outer gum cover is sleeved on the first body and
Outside the binding site of two bodys.
Reinforced assembled hand-held tool the most according to claim 1, it is characterised in that described instrument trousers limit body and
The convex mechanism of one bushing pipe arrived piece, the second bushing pipe arrived piece and the second bushing pipe tube stay and indent confined planes be mutually matched sphere,
The concavo-convex structure that offsets such as the conical surface or round table surface.
Reinforced assembled hand-held tool the most according to claim 1, it is characterised in that
First bushing pipe one end is inserted in the first body port, in another end inserting tool trousers, and the convex architecture of the first bushing pipe arrived piece
Fitting with the concave surface of instrument trousers limit body, the first bushing pipe alignment pin inserts in instrument trousers draw-in groove, rotates the first body and realizes determining
Position pin locked；
Second bushing pipe inserts inside the first body another port, and the second tubular body is inserted in one end of the 3rd bushing pipe, is placed in this end
The convex architecture of the second bushing pipe tube stay in portion and the concave surface of the second bushing pipe arrived piece fit, and the alignment pin of the 3rd bushing pipe inserts bushing pipe
In draw-in groove, rotate the second body and realize alignment pin locking.
Reinforced assembled hand-held tool the most according to claim 1, it is characterised in that described the first bushing pipe tube stay,
The concave portion of two bushing pipe arrived pieces and the 3rd bushing pipe tube stay serve as a contrast with the first bushing pipe contraction mouth, the second bushing pipe contraction mouth and the 3rd respectively
For supportting the attachment structure coordinated that rises between the band tapering contraction mouth of pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610581094.5A CN106002860B (en) | 2016-07-22 | 2016-07-22 | Reinforced assembly type hand-held tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610581094.5A CN106002860B (en) | 2016-07-22 | 2016-07-22 | Reinforced assembly type hand-held tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106002860A true CN106002860A (en) | 2016-10-12 |
| CN106002860B CN106002860B (en) | 2018-05-11 |
Family
ID=57116322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610581094.5A Active CN106002860B (en) | 2016-07-22 | 2016-07-22 | Reinforced assembly type hand-held tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106002860B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020034416A1 (en) * | 2000-08-01 | 2002-03-21 | Lichtenberg Gary J. | Joint for connecting wood members |
| US20040128796A1 (en) * | 2002-08-07 | 2004-07-08 | Ta Duong L. | Tool extension assembly with quick release lock mechanism |
| CN1671517A (en) * | 2002-06-20 | 2005-09-21 | 约翰逊父子公司 | Twist-lock handle assembly |
| CN2849407Y (en) * | 2005-10-28 | 2006-12-20 | 明达塑胶（厦门）有限公司 | Pipe fitting connecting structure |
| CN201275388Y (en) * | 2008-10-14 | 2009-07-22 | 胡金学 | Rod stick telescoping and positioning apparatus |
| CN101559590A (en) * | 2009-05-18 | 2009-10-21 | 浙江浩淼科技有限公司 | Portable combined hand tool for fire fighting and rescue |
| CN202520724U (en) * | 2012-05-08 | 2012-11-07 | 宁海永博文体用品有限公司 | Expansion locking device |
| CN202811709U (en) * | 2012-10-29 | 2013-03-20 | 邬炎军 | Expanding locking device of telescopic rod |
| CN103692419A (en) * | 2013-12-18 | 2014-04-02 | 唐山市长智农工具设计制造有限公司 | Connecting structure for handle and handle trouser of hand tool |
| CN105345754A (en) * | 2015-11-23 | 2016-02-24 | 唐山市长智农工具设计制造有限公司 | Quick matching type hand tool handle and pant connecting structure and mounting method thereof |
| CN205950675U (en) * | 2016-07-22 | 2017-02-15 | 唐山市长智农工具设计制造有限公司 | Assembled hand tool of strenghthened type |
-
2016
- 2016-07-22 CN CN201610581094.5A patent/CN106002860B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020034416A1 (en) * | 2000-08-01 | 2002-03-21 | Lichtenberg Gary J. | Joint for connecting wood members |
| CN1671517A (en) * | 2002-06-20 | 2005-09-21 | 约翰逊父子公司 | Twist-lock handle assembly |
| US20040128796A1 (en) * | 2002-08-07 | 2004-07-08 | Ta Duong L. | Tool extension assembly with quick release lock mechanism |
| CN2849407Y (en) * | 2005-10-28 | 2006-12-20 | 明达塑胶（厦门）有限公司 | Pipe fitting connecting structure |
| CN201275388Y (en) * | 2008-10-14 | 2009-07-22 | 胡金学 | Rod stick telescoping and positioning apparatus |
| CN101559590A (en) * | 2009-05-18 | 2009-10-21 | 浙江浩淼科技有限公司 | Portable combined hand tool for fire fighting and rescue |
| CN202520724U (en) * | 2012-05-08 | 2012-11-07 | 宁海永博文体用品有限公司 | Expansion locking device |
| CN202811709U (en) * | 2012-10-29 | 2013-03-20 | 邬炎军 | Expanding locking device of telescopic rod |
| CN103692419A (en) * | 2013-12-18 | 2014-04-02 | 唐山市长智农工具设计制造有限公司 | Connecting structure for handle and handle trouser of hand tool |
| CN105345754A (en) * | 2015-11-23 | 2016-02-24 | 唐山市长智农工具设计制造有限公司 | Quick matching type hand tool handle and pant connecting structure and mounting method thereof |
| CN205950675U (en) * | 2016-07-22 | 2017-02-15 | 唐山市长智农工具设计制造有限公司 | Assembled hand tool of strenghthened type |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106002860B (en) | 2018-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103371579B (en) | Quick linked bone up-down runner structure and relevant parachute kit and quick linked bone method | |
| DK1777784T3 (en) | Connector with connection by axial compression of the outer conductor and manufacturing method | |
| WO2007142779A3 (en) | Universal joint with coupling mechanism for detachably engaging tool attachments | |
| CN108262709A (en) | Sleeve capable of accommodating screwdriver head | |
| CN205950675U (en) | Assembled hand tool of strenghthened type | |
| CN106002860A (en) | Strengthened assembly type hand tool | |
| CN201855543U (en) | Golf club | |
| CN201360964Y (en) | Detachable handle | |
| CN204851887U (en) | Telescopic rod structure | |
| CN205714090U (en) | Drilling liner cementing one separate loading is combined tail pipe plug | |
| CN208304833U (en) | The pressure regulation device of quick-speed jigs | |
| PL2037088T3 (en) | Connecting rod | |
| CN206417182U (en) | A kind of wing structure of aircraft | |
| CN105822166B (en) | For connecting toilet seat with toilet lid, the fixed and system that relatively rotates | |
| CN108283372A (en) | A kind of Portable dining table | |
| CN206392791U (en) | The rivet of external antenna disassembles tool | |
| CN207080724U (en) | The tube joint assembly and air conditioner of a kind of Anti-dismantling | |
| TWI539090B (en) | Universal joint | |
| CN207630843U (en) | A kind of craft, which is beaten, carves steel seal device | |
| CN203062735U (en) | Chisel head with internal octagonal hole | |
| CN207847281U (en) | Sealing lock | |
| CN204115575U (en) | Firing control structure-improved | |
| CN206206930U (en) | Rotational structure | |
| CN209115478U (en) | Novel special expansion bolt | |
| CN203202463U (en) | Saddle-shaped connecting pipe flange |
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 |