CN208230906U - A kind of depth drill guide sleeve component and drilling machine - Google Patents

A kind of depth drill guide sleeve component and drilling machine Download PDF

Info

Publication number
CN208230906U
CN208230906U CN201820739333.XU CN201820739333U CN208230906U CN 208230906 U CN208230906 U CN 208230906U CN 201820739333 U CN201820739333 U CN 201820739333U CN 208230906 U CN208230906 U CN 208230906U
Authority
CN
China
Prior art keywords
guide sleeve
flange
cylinder
sleeve component
mounting hole
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.)
Active
Application number
CN201820739333.XU
Other languages
Chinese (zh)
Inventor
林柱贵
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.)
Shenzhen Jinyongheng Technology Co., Ltd.
Original Assignee
Trade Co Ltd Of Gold Hang Seng Of Shenzhen
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 Trade Co Ltd Of Gold Hang Seng Of Shenzhen filed Critical Trade Co Ltd Of Gold Hang Seng Of Shenzhen
Priority to CN201820739333.XU priority Critical patent/CN208230906U/en
Application granted granted Critical
Publication of CN208230906U publication Critical patent/CN208230906U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Drilling And Boring (AREA)

Abstract

The utility model discloses a kind of depth drill guide sleeve component and drilling machines, the guide sleeve component includes guide sleeve seat and guide sleeve, and guide sleeve seat includes the first cylinder, first flange, with the first mounting hole for axially penetrating through setting, the first cylinder offers connecting hole and is connected to the first mounting hole;Guide sleeve includes the second cylinder, second flange, with the second mounting hole for axially penetrating through setting, second cylinder is arranged in the first mounting hole, the outer wall circular of second cylinder is provided with engaging groove, the diameter of second flange is 2~5mm bigger than the diameter of the second cylinder, contact step surface of the second flange away from one protrusion of an end face of first flange setting;It further include that fastener wears and is fixed on connecting hole, one end of the fastener is abutted with engaging groove, and guide sleeve is fastened on guide sleeve seat.The guide sleeve component and work piece interface product that the utility model solves existing vertical type depth drill process equipment greatly, easily generate interference to work pieces process hole periphery, while being not suitable for the problem of processing non-single plane workpiece.

Description

A kind of depth drill guide sleeve component and drilling machine
Technical field
The utility model relates to depth drill equipment technical field more particularly to a kind of depth drill guide sleeve components and drilling machine.
Background technique
In deep hole machining industry, tradition be to use horizontal depth drill process equipment as main processing machine because The depth in processing hole can arrive 600mm or more, but be no more than the hole of 200mm for some hole depths of processing, and aperture is less Workpiece when, using horizontal depth drill process equipment go processing be it is less suitable, so occurring vertical type depth drill in the market Process equipment is no more than the hole of 200mm, and the workpiece that aperture is less specifically for some hole depths of processing.
The guide sleeve component and workpiece to be processed contact surface of existing vertical type depth drill process equipment are big, are easy to processing hole Peripheral extent interferes, and is easily pressing against iron filings and is causing oil leak, and excessive iron filings and oil leak cause brill nozzle card disconnected, meanwhile, it is existing Guide sleeve component is not suitable for processing the workpiece for some non-single planes or sinking plane.
Therefore, there are also to be developed for the prior art.
Utility model content
Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is that proposing a kind of depth drill guide sleeve group Part, it is intended to which guide sleeve component and the work piece interface product for solving existing vertical type depth drill process equipment are big, easily to work pieces process hole Periphery generate interference, while be not suitable for processing there is the problem of workpiece of non-single plane.
To achieve the above object, the utility model takes following technical scheme:
A kind of depth drill guide sleeve component, wherein include: guide sleeve seat, including the first cylinder, first cylinder one end is set First flange, the first cylinder and first flange, which axially penetrate through, is provided with the first mounting hole, and the first cylinder offers connecting hole and The connection of one mounting hole;The second flange of second cylinder one end, the second cylinder and the second method is arranged in guide sleeve, including the second cylinder Orchid, which axially penetrates through, is provided with the second mounting hole, the second cylinder be arranged in the first mounting hole and with the first mounting hole tight fit, the The outer wall circular of two cylinders is provided with engaging groove, and an end face of second flange is contacted with first flange, the second flange it is straight Diameter is 2~5mm bigger than the diameter of second cylinder, contact platform of the second flange away from one protrusion of an end face of first flange setting The boundary of terrace, the contact step surface is less than the boundary of second flange;Fastener wears and is fixed on connecting hole, the engaging One end of part is abutted with engaging groove, and guide sleeve is fastened on guide sleeve seat.
Wherein, one end annular that the first flange closes on second flange is provided with dashpot;The depth drill guide sleeve group Part further includes snubber elastomeric part, and the snubber elastomeric part is installed on the dashpot and part is exposed to dashpot and second flange End face contact.
Wherein, the snubber elastomeric part is " O " shape sealing ring.
Wherein, the fastener be bulb resilient plunger, the connecting hole be engaging screw hole, the bulb resilient plunger with Engage the connection of screw hole spiral.
Wherein, the first installation bore dia is 0.01~0.02mm bigger than the second column diameter.
Wherein, the height that the contact step surface is raised in second flange end face is 1~5mm.
Wherein, the hole wall of the second mounting hole of the guide sleeve is provided with the conical surface in one end away from second flange;And/or Second cylinder of the guide sleeve is provided with chamfering away from one end of second flange.
Wherein, the first flange also axially offers multiple rounded uniformly distributed countersunk screw holes, the multiple countersunk head spiral shell The diameter of a circle that hole surrounds is greater than the diameter of second flange.
Wherein, the connecting hole is equipped with multiple radial equipartitions in the first cylinder, the multiple connecting hole and multiple countersunk head spiral shells Projected position of the hole in first flange is staggered.
The utility model also proposes a kind of drilling machine, including a support frame, wherein further includes above-mentioned depth drill guide sleeve group Part, support frame as described above open up a guide sleeve component mounting hole, and guide sleeve component mounting hole is provided with method close to one end of workpiece to be processed Blue installation step, the first cylinder of the guide sleeve seat be arranged in the guide sleeve component mounting hole and with guide sleeve component mounting hole close-fitting It closes, the first flange of the guide sleeve seat and the flange installation step cooperate.
The depth drill guide sleeve component of the utility model is installed on by setting guide sleeve seat and guide sleeve, the second cylinder of guide sleeve In first mounting hole of guide sleeve seat, the second cylinder front end of guide sleeve is provided with second flange, and the diameter of second flange is than the second column Big 2~the 5mm of the diameter of body, meanwhile, the contact step surface of a protrusion is arranged away from an end face of first flange for second flange, this Sample, in the drilling process of workpiece, second flange face becomes the contact surface of guide sleeve component and workpiece, due to second flange face Diameter it is only 2~5mm bigger than the diameter of the second cylinder, greatly reduce the contact area of guide sleeve component and workpiece, reduce and lead Interference of the set component to processing hole periphery not will lead to iron filings accumulation in process and oil leak caused to be asked with what brill nozzle card broke Topic, improves the stability and reliability of process equipment, meanwhile, the contact step surface for protruding from guide sleeve second flange face adapts to With non-single plane if any the hole machined of sinking flat work pieces, the ability of drilling processing is improved.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the schematic diagram of the section structure of the first embodiment of the utility model depth drill guide sleeve component;
Fig. 2 is the bottom surface structure schematic diagram of guide sleeve seat in Fig. 1;
Fig. 3 is the schematic diagram of the section structure of A-A in Fig. 2;
Fig. 4 is the schematic diagram of the section structure of B-B in Fig. 3;
Fig. 5 is the schematic diagram of the section structure of guide sleeve in Fig. 1;
Fig. 6 is the schematic diagram of the section structure that the utility model depth drill guide sleeve component is installed on drilling machine support frame.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include at least one of the features.
Embodiment one please refers to Fig. 1 to Fig. 5, and the utility model proposes a kind of depth drill guide sleeve components 100, comprising: guide sleeve Seat 10, the guide sleeve seat 10 include the first cylinder 11, are arranged in the first flange 12 of 11 one end of the first cylinder, the first cylinder 11 and the One flange 12, which axially penetrates through, is provided with the first mounting hole 13, and the first cylinder 11 offers connecting hole 14 and the first mounting hole 13 connects It is logical.
Guide sleeve component 100 further includes guide sleeve 20, which includes the second cylinder 21, and 21 one end of the second cylinder is arranged in Second flange 22, the second cylinder 22 and second flange 22, which axially penetrate through, is provided with the second mounting hole 23, and the second cylinder 21 is arranged in In first mounting hole 13 and with 13 tight fit of the first mounting hole, the outer wall circular of the second cylinder 21, which is provided with, engages groove 24, second One end face of flange 22 is contacted with first flange 12, and the diameter of the second flange 22 is bigger by 2 than the diameter of second cylinder 21 ~5mm, contact step surface 221 of the second flange 22 away from one protrusion of an end face of first flange 21 setting, the contact step The boundary in face 221 is less than the boundary of second flange 22.Second cylinder 21 and the first mounting hole 13 use tight fit mode, convenient for leading Set 20 is installed on guide sleeve seat 10, it is preferable that and 13 diameter of the first mounting hole is 0.01~0.02mm bigger than 21 diameter of the second cylinder, On the one hand it is convenient for the installation of guide sleeve 20, is on the other hand convenient for the tight fit of guide sleeve 20 and guide sleeve seat 10.
Guide sleeve component 100 further includes fastener 30, wears and is fixed on connecting hole 14, one end of the fastener 30 with engage Groove 24 abuts, and guide sleeve 20 is fastened on guide sleeve seat 10.Guide sleeve 20 is fastened on guide sleeve seat 10 by fastener 30, is prevented Guide sleeve 20 deviates from guide sleeve seat 10 in process.
The guide sleeve 20 of the present embodiment since second flange 22 is arranged in 21 front end of the second cylinder, i.e. protrude by second flange 22 In the second cylinder 21, in this way in workpiece process, the end face of second flange 22 becomes work piece interface, due to second flange 22 diameter is 2~5mm bigger than the diameter of the second cylinder 21, i.e., the diameter of the diameter of second flange 22 and the second cylinder 21 is close, For the guide sleeve component of existing vertical type depth drill process equipment, greatly reduced with the contact area of workpieces processing, Reduce the interference on 100 pairs of guide sleeve component processing hole peripheries in this way, it is therefore prevented that guide sleeve 20 is in process due to pressing against iron filings It is led to oil leak, and because oil leak and iron filings accumulation due to cause to bore the disconnected phenomenon of nozzle card.
Simultaneously as guide sleeve 20 is provided with contact step surface 221 in the end face of second flange 22 protrusion, step surface is contacted 221 boundary is less than the boundary of second flange 22, i.e., when contacting step surface 221 is rounded face, contacts the diameter of step surface 221 Diameter than second flange 22 is small, such as has the workpiece of sinking plane for the workpiece of some non-single planes in this way, protrusion Contact step surface 221 can also be close to sinking plane machining face, greatly improve the depth drill with the present embodiment guide sleeve component Drilling processing ability of the process equipment to different type workpiece.Preferably, the contact step surface 221 of the present embodiment is raised in second The height of 22 end face of flange is 1~5mm, adapts to the hole machined with different depth sinking flat work pieces in this way.
In conjunction with shown in Fig. 1 and Fig. 3, one end annular that the first flange 12 of the present embodiment closes on second flange 22 is provided with slow Jet-bedding 121;The depth drill guide sleeve component 100 further includes snubber elastomeric part 40, and the snubber elastomeric part 40 is installed on described slow 121 part of jet-bedding is exposed to dashpot 121 and contacts with the end face of second flange 22.
Since guide sleeve 20 is generally made of high hardness material, such as use wolfram steel material, this high hardness material production Guide sleeve 20 be easy to broken strong in the case where shock, such as generate shock with guide sleeve seat 10 during installation, or in use It generates and hits etc. with guide sleeve seat 10, and the snubber elastomeric part 40 of the present embodiment is mounted on the dashpot 121 and the of first flange 12 Between two flanges 22, the part that snubber elastomeric part 40 protrudes from dashpot 121 is contacted with second flange 22, so that second flange 22 There is snubber elastomeric part 40 to carry out buffer stop between first flange 12, the direct of guide sleeve 20 and guide sleeve seat 10 can be effectively prevented Hit and cause the damage of guide sleeve 20.
Preferably, the snubber elastomeric part 40 is " O " shape sealing ring." O " shape sealing ring is easily installed, while having sealing With the function of elastic buffer.
The fastener 30 of the present embodiment is bulb resilient plunger, and the connecting hole 14 is engaging screw hole, the bulb elasticity Plunger is connect with engaging screw hole spiral.Bulb resilient plunger is due to spring bulb, so that between guide sleeve 20 and guide sleeve seat 10 Being connected together, it is locking to have the function of, ensure that the fastness engaged between guide sleeve 20 and guide sleeve seat 10.
As shown in figure 5, the hole wall of the second mounting hole 23 of the guide sleeve 20 is provided in one end away from second flange 22 The conical surface 231;Setting the wearing convenient for brill nozzle of the conical surface 231.
Second cylinder 21 of the guide sleeve 20 is provided with chamfering 211 away from one end of second flange 22.Second cylinder 21 is set The chamfering 211 set is conducive to guide sleeve 20 being packed into guide sleeve seat 10.
Please continue to refer to Fig. 2 to Fig. 4, the first flange 12 is also axial to offer multiple rounded uniformly distributed countersunk screw holes 122, the diameter of a circle that the multiple countersunk screw holes 122 surround is greater than the diameter of second flange 22.Countersunk screw holes 122 can will be led Block set 10 is fixed on depth drill process equipment, meanwhile, the diameter of a circle that multiple countersunk screw holes 122 surround is greater than second flange 22 Diameter can prevent the interference for preventing countersunk screw holes 122 to second flange 22 during installation.
The connecting hole 14 of the present embodiment is equipped with multiple radial equipartitions in the first cylinder 11, the multiple connecting hole 14 with it is multiple Projected position of the countersunk screw holes 122 in first flange 12 is staggered.Being arranged in a staggered manner prevents between connecting hole 14 and countersunk screw holes 122 Interference.
The utility model also provides a kind of drilling machine, further includes above-mentioned depth drill as shown in fig. 6, including a support frame 200 Guide sleeve component 100, support frame as described above 200 open up a guide sleeve component mounting hole 201, and guide sleeve component mounting hole 201 is close to be processed One end of workpiece is provided with flange installation step 202, and the first cylinder 11 of the guide sleeve seat 10 is arranged in the guide sleeve component peace Fill hole 201 and with 201 tight fit of guide sleeve component mounting hole, the first flange 12 of the guide sleeve seat 10 and the flange installation step 202 cooperations.Due to the structure using the present embodiment depth drill guide sleeve component 100, so that the drilling machine of the utility model is in processing It is small with work piece interface product, reduce processing interference, while adapting to the drilling processing of non-single plane workpiece.
The depth drill guide sleeve component 100 and drilling machine that the utility model embodiment proposes pass through setting guide sleeve seat 10 and guide sleeve 20, the second cylinder 21 of guide sleeve 20 is installed in the first mounting hole 13 of guide sleeve seat 10, and 21 front end of the second cylinder of guide sleeve 20 is set It is equipped with second flange 22, the diameter of second flange 22 is 2~5mm bigger than the diameter of the second cylinder 21, meanwhile, second flange 22 deviates from The contact step surface 221 of one protrusion of end face setting of first flange 12, in this way, in the drilling process of workpiece, second 22 face of flange becomes the contact surface of guide sleeve component 100 and workpiece, since the diameter in 22 face of second flange only compares the second cylinder 21 Big 2~the 5mm of diameter, greatly reduces the contact area of guide sleeve component 100 Yu workpiece, reduces 100 pairs of processing holes of guide sleeve component The interference on periphery not will lead to iron filings accumulation in process and cause oil leak and bore the disconnected problem of nozzle card, improves drilling machine The stability and reliability of process equipment, meanwhile, the contact step surface 221 for protruding from 20 second flange face 22 of guide sleeve adapts to have There is non-single plane if any the hole machined of sinking flat work pieces, improves the drilling processing ability of drilling machine process equipment.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of depth drill guide sleeve component characterized by comprising
Guide sleeve seat, including the first cylinder, are arranged in the first flange of first cylinder one end, and the first cylinder and first flange are axially passed through It wears and is equipped with the first mounting hole, the first cylinder offers connecting hole and is connected to the first mounting hole;
Guide sleeve, including the second cylinder, are arranged in the second flange of second cylinder one end, and the second cylinder and second flange axially penetrate through Be provided with the second mounting hole, the second cylinder be arranged in the first mounting hole and with the first mounting hole tight fit, the second cylinder outer wall Annular is provided with engaging groove, and an end face of second flange is contacted with first flange, and the diameter of the second flange is than described Big 2~the 5mm of the diameter of two cylinders, second flange are described away from the raised contact step surface of an end face of first flange setting one The boundary for contacting step surface is less than the boundary of second flange;
Fastener wears and is fixed on connecting hole, and one end of the fastener is abutted with engaging groove, and guide sleeve is fastened on and is led Block set.
2. depth drill guide sleeve component according to claim 1, which is characterized in that the first flange closes on second flange One end annular is provided with dashpot;
The depth drill guide sleeve component further includes snubber elastomeric part, and the snubber elastomeric part is installed on the dashpot and part is revealed It is contacted for dashpot with the end face of second flange.
3. depth drill guide sleeve component according to claim 2, which is characterized in that the snubber elastomeric part is the sealing of " O " shape Circle.
4. depth drill guide sleeve component according to claim 1, which is characterized in that the fastener is bulb resilient plunger, The connecting hole is engaging screw hole, and the bulb resilient plunger is connect with engaging screw hole spiral.
5. depth drill guide sleeve component according to claim 1, which is characterized in that the first installation bore dia is than the second column Big 0.01~the 0.02mm of body diameter.
6. depth drill guide sleeve component according to claim 1, which is characterized in that the contact step surface is raised in the second method The height of blue end face is 1~5mm.
7. depth drill guide sleeve component according to claim 1, which is characterized in that the hole wall of the second mounting hole of the guide sleeve One end away from second flange is provided with the conical surface;And/or
Second cylinder of the guide sleeve is provided with chamfering away from one end of second flange.
8. depth drill guide sleeve component according to claim 1, which is characterized in that the first flange also axially offers more A rounded uniformly distributed countersunk screw holes, the diameter of a circle that the multiple countersunk screw holes surround are greater than the diameter of second flange.
9. depth drill guide sleeve component according to claim 8, which is characterized in that the connecting hole is equipped with multiple radial equipartitions In the first cylinder, the multiple connecting hole is staggered with projected position of multiple countersunk screw holes in first flange.
10. a kind of drilling machine, including a support frame, which is characterized in that further include such as the described in any item depth drills of claim 1-9 Guide sleeve component, support frame as described above open up a guide sleeve component mounting hole, and guide sleeve component mounting hole is set close to one end of workpiece to be processed It is equipped with flange installation step, the first cylinder of the guide sleeve seat is arranged in the guide sleeve component mounting hole and installs with guide sleeve component Hole tight fit, the first flange of the guide sleeve seat and the flange installation step cooperate.
CN201820739333.XU 2018-05-17 2018-05-17 A kind of depth drill guide sleeve component and drilling machine Active CN208230906U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820739333.XU CN208230906U (en) 2018-05-17 2018-05-17 A kind of depth drill guide sleeve component and drilling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820739333.XU CN208230906U (en) 2018-05-17 2018-05-17 A kind of depth drill guide sleeve component and drilling machine

Publications (1)

Publication Number Publication Date
CN208230906U true CN208230906U (en) 2018-12-14

Family

ID=64579682

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820739333.XU Active CN208230906U (en) 2018-05-17 2018-05-17 A kind of depth drill guide sleeve component and drilling machine

Country Status (1)

Country Link
CN (1) CN208230906U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110405256A (en) * 2019-07-12 2019-11-05 江苏长龄液压股份有限公司 A kind of center-rotary joint cross drilling attachment and technique based on deep hole positioning

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110405256A (en) * 2019-07-12 2019-11-05 江苏长龄液压股份有限公司 A kind of center-rotary joint cross drilling attachment and technique based on deep hole positioning
CN110405256B (en) * 2019-07-12 2024-04-16 江苏长龄液压股份有限公司 Center rotary joint transverse drilling fixture and process based on deep hole positioning

Similar Documents

Publication Publication Date Title
CN208230906U (en) A kind of depth drill guide sleeve component and drilling machine
CN110125791B (en) Floating connector
CN201693385U (en) Reaming fixture with automatic centering and floating functions
CN204366360U (en) Instrument changed by sealing ring for deepwater environment
CN108555353A (en) A kind of the bearing inner race Vehicle Processing mold and processing method of lubrication system
CN204953975U (en) A V type location frock that is arranged in motor frame lug or end cover lug to decide
CN204770446U (en) It impresses automation of bush damage inner wall and leads positive protection mechanism to prevent rivet
CN208976912U (en) A kind of depth drill guide sleeve of quick-clamping, guide sleeve component and drilling machine
CN208289450U (en) Thin-walled spherical work pieces process grease supporting and positioning device
CN205008608U (en) Prevent elastic claw of centre gripping deformation
CN209511352U (en) A kind of improved flange face bolt
CN208004843U (en) A kind of car bridge driving gear brill cross hole tool
CN108097795B (en) Cross axle punching and shaping device
CN106493412A (en) A kind of depth drill auto-guider
CN203476915U (en) Hydraulic oil cylinder with combined throttling buffer device
CN205309319U (en) Activity live centre
CN205869891U (en) Pipe pressure equipment machine catheter positioning locking mechanism
CN210208335U (en) Mechanical die with automatic oiling station of guide pillar
CN208203161U (en) Foldable type wireless centering device with drilling
CN102886704A (en) Elastic taper shank structure and machine tool
CN208816567U (en) A kind of piston hole of motorcycle brake clamp
CN206966723U (en) A kind of numeric control drilling machine tool bores the guide sleeve structure of rifle
CN108397148B (en) Multi-degree-of-freedom adjustable flexible hoisting bolting structure
CN204851158U (en) Blanking plug and fishing tool
CN201997731U (en) Tool bit connecting structure of precision machine tool cutter

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 518000 Area B, 1st Floor, Building No. 7, Guntai Road, Gongming Street, Guangming District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen Jinyongheng Technology Co., Ltd.

Address before: 518000 Gongming Office, Guangming New District, Shenzhen City, Guangdong Province 621, 6th floor, No. 7 Honghua North Road

Patentee before: Trade Co., Ltd of gold Hang Seng of Shenzhen

CP03 Change of name, title or address