CN110761632A - Lock body and processing method thereof - Google Patents
Lock body and processing method thereof Download PDFInfo
- Publication number
- CN110761632A CN110761632A CN201910860485.4A CN201910860485A CN110761632A CN 110761632 A CN110761632 A CN 110761632A CN 201910860485 A CN201910860485 A CN 201910860485A CN 110761632 A CN110761632 A CN 110761632A
- Authority
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- China
- Prior art keywords
- lock
- hole
- lock body
- left half
- right half
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B67/00—Padlocks; Details thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0004—Lock assembling or manufacturing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0004—Lock assembling or manufacturing
- E05B17/0008—Lock parts made by extrusion process
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a lock body and a processing method thereof, and aims to provide a lock body and a processing method thereof, wherein the lock body processing difficulty can be reduced, the processing and the manufacturing of the lock body and a lock body die are convenient, and the lock body processing efficiency is high. The lock comprises a left half lock body and a right half lock body, wherein the left half lock body and the right half lock body are connected into a whole by welding, a lock cylinder left half hole, a lock beam left half hole, a lock tongue left half hole and a plurality of marble left half holes communicated with the lock cylinder left half hole are arranged on one side surface of the left half lock body facing the right half lock body, a lock cylinder right half hole, a lock beam right half hole, a lock tongue right half hole and a plurality of marble right half holes communicated with the lock cylinder right half hole are arranged on one side surface of the right half lock body facing the left half lock body, and the lock cylinder left half hole and the lock cylinder right half hole form a lock cylinder hole core of the lock; the left half hole and the right half hole of the lock beam form a lock beam hole of the lock body; the left half hole of the lock tongue and the right half hole of the lock tongue form a lock tongue hole of the lock body; the left half marble hole and the right half marble hole form a marble hole of the lock body.
Description
Technical Field
The invention relates to a lockset, in particular to a lock body and a processing method thereof.
Background
The lock body is generally formed by the following two methods, wherein one method is that the lock body is integrally cast and formed, and then a lock core hole, a lock beam hole, a lock bolt hole and a spring hole are machined on the lock body by machining on a machine tool; the other processing method is to add a plurality of core-pulling structures on the mold, and each core-pulling structure corresponds to the lock cylinder hole, the lock beam hole, the lock bolt hole and the spring hole one by one, so that although the lock body, the lock cylinder hole, the lock beam hole, the lock bolt hole and the spring hole can be integrally cast and formed, due to the fact that a plurality of core-pulling structures need to be added on the mold, the workload of mold manufacturing is greatly increased, the mold manufacturing cost is improved, and the service life of the mold is influenced.
Disclosure of Invention
The invention aims to provide a lock body and a processing method thereof, wherein the lock body processing difficulty can be reduced, the processing and the manufacturing of the lock body and a lock body die are convenient, and the lock body processing efficiency is high.
The technical scheme of the invention is as follows:
a lock body comprises a left half lock body and a right half lock body, wherein the left half lock body and the right half lock body are connected into a whole through welding, a lock cylinder left half hole, a lock beam left half hole, a lock tongue left half hole and a plurality of marble left half holes communicated with the lock cylinder left half hole are arranged on one side surface of the left half lock body facing the right half lock body, a lock cylinder right half hole, a lock beam right half hole, a lock tongue right half hole and a plurality of marble right half holes communicated with the lock cylinder right half hole are arranged on one side surface of the right half lock body facing the left half lock body, and the lock cylinder left half hole and the lock cylinder right half hole form a lock cylinder hole of the lock body and are used for installing a lock cylinder; the lock beam hole of the lock body is formed by the left lock beam half hole and the right lock beam half hole and is used for installing the lock beam; the left half hole and the right half hole of the lock tongue form a lock tongue hole of the lock body and are used for installing the lock tongue; the left half marble hole and the right half marble hole form a marble hole of the lock body and are used for installing marbles.
In the actual processing of the lock body, the left half lock body and the right half lock body are respectively formed by die casting, the left half lock body, the left half lock core hole, the left half lock beam hole, the left half lock tongue hole and the left half marble holes can be integrally formed by die casting, and the right half lock body, the right half lock core hole, the right half lock beam hole, the right half lock tongue hole and the right half marble holes can be integrally formed by die casting; then, the left half lock body and the right half lock body are connected into a whole by welding; therefore, the lock core hole, the lock beam hole, the lock bolt hole and the spring hole do not need to be machined, the machining difficulty of the lock body can be reduced, the lock body is convenient to machine and manufacture, the machining efficiency of the lock body is improved, and waste of stainless steel materials caused by cutting waste materials generated in the machining process can be avoided; and the forming die of the left half lock body and the right half lock body does not need a core-pulling structure, the die is simple in structure, low in machining amount and low in manufacturing cost, the die is convenient to machine and manufacture, and the service life of the die is long.
Preferably, the lock further comprises a positioning structure for positioning the left half lock body and the right half lock body, the positioning structure comprises a positioning hole and a positioning bulge matched with the positioning hole, the positioning hole is arranged on one of the left half lock body and the right half lock body, the positioning bulge is arranged on the other one of the left half lock body and the right half lock body, and the positioning bulge extends into the positioning hole. So, at the in-process that left half lock body and right half lock body welding are as an organic whole, can fix a position left half lock body and right half lock body through location structure to make the position accuracy of left half lock body and right half lock body.
Preferably, the number of the positioning holes is two, and the positioning protrusions correspond to the positioning holes one to one.
Preferably, the positioning hole is formed by die-casting with the left half lock body or the right half lock body in an integrated mode, and the positioning protrusion is formed by die-casting with the right half lock body or the left half lock body in an integrated mode. Therefore, the method is convenient for actual processing and manufacturing.
Preferably, the left half lock body is formed by die casting, and the right half lock body is formed by die casting.
Preferably, the left half hole of the lock beam consists of a left half deep hole of the lock beam and a left half shallow hole of the lock beam, the right half hole of the lock beam consists of a right half deep hole of the lock beam and a right half shallow hole of the lock beam, the left half deep hole of the lock beam and the right half deep hole of the lock beam form a deep hole of the lock beam of the lock body, and the left half shallow hole of the lock beam and the right half shallow hole of the lock beam form a shallow hole of the lock body.
Preferably, the left half lock body and the right half lock body are symmetrically arranged. So, the mould of half lock body on the left side and half lock body on the right side can be general, the actual processing preparation of being convenient for.
Preferably, the left half lock body and the right half lock body are both made of stainless steel.
A method for processing a lock body sequentially comprises the following steps:
first, the left half lock body, the left half hole of the lock core, the left half hole of the lock beam, the left half hole of the lock tongue and the left half holes of a plurality of marbles are integrally formed by die casting,
the right half lock body is integrally formed with the right half hole of the lock core, the right half hole of the lock beam, the right half hole of the lock tongue and the right half holes of the plurality of balls in a die-casting manner;
and secondly, the left half lock body and the right half lock body are connected into a whole by welding, so that the left half hole and the right half hole of the lock cylinder form a lock cylinder hole of the lock body, the lock cylinder is used for installing the lock cylinder, the left half hole and the right half hole of the lock beam form a lock beam hole of the lock body, the lock beam is used for installing the lock beam, the left half hole and the right half hole of the lock tongue form a lock tongue hole of the lock body, the lock tongue is used for installing the lock tongue, and the left half hole of the marble and the right half hole of the marble form a marble hole of the lock body and are used for installing.
The invention has the beneficial effects that: in the actual processing of the lock body, the left half lock body and the right half lock body are respectively formed by die casting through dies, the left half lock body, the left half lock core hole, the left half lock beam hole, the left half lock tongue hole and the left half marble holes can be integrally formed by die casting, and the right half lock body, the right half lock core hole, the right half lock beam hole, the right half lock tongue hole and the right half marble holes can be integrally formed by die casting; then, the left half lock body and the right half lock body are connected into a whole by welding; therefore, the lock core hole, the lock beam hole, the lock bolt hole and the spring hole do not need to be machined, the machining difficulty of the lock body can be reduced, the lock body is convenient to machine and manufacture, the machining efficiency of the lock body is improved, and waste of stainless steel materials caused by cutting waste materials generated in the machining process can be avoided; and the forming die of the left half lock body and the right half lock body does not need a core-pulling structure, the die is simple in structure, low in machining amount and low in manufacturing cost, the die is convenient to machine and manufacture, and the service life of the die is long.
Drawings
Figure 1 is a top view of a lock body of a first embodiment and a second embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a left half lock body of a lock body according to a first embodiment and a second embodiment of the present invention.
Fig. 3 is a top view of a lock body according to a third embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a left half lock body of a lock body according to a fourth embodiment of the present invention.
Figure 5 is a side view of a lock body according to a fourth embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a left half lock body of a lock body according to a third embodiment of the present invention.
In the figure:
1.1 of the left half lock body;
a right half lock body 1.2;
a left half hole 2.1 of the lock beam, a left half deep hole 2.11 of the lock beam and a left half shallow hole 2.12 of the lock beam;
a lock beam right half hole 2.2, a lock beam right half deep hole 2.21 and a lock beam right half shallow hole 2.22;
3.1 of a left half hole of the lock cylinder;
4.1 of a left half marble hole;
5.1 of a left half hole of the lock tongue;
a positioning bulge 6.1;
the shackle wrap 7.1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme, and are not construed as limiting the scheme of the present invention.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "several" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections, either mechanical or electrical, or communicating with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows: as shown in fig. 1 and fig. 2, a lock body includes a left half lock body 1.1 and a right half lock body 1.2. The left half lock body and the right half lock body are connected into a whole through welding. And a lock cylinder left half hole 3.1, a lock beam left half hole 2.1, a lock tongue left half hole 5.1 and a plurality of marble left half holes 4.1 communicated with the lock cylinder left half hole are arranged on one side surface of the left half lock body facing the right half lock body. And a lock core right half hole, a lock beam right half hole 2.2, a lock tongue right half hole and a plurality of marble right half holes communicated with the lock core right half hole are arranged on one side surface of the right half lock body facing the left half lock body. And the left half hole and the right half hole of the lock cylinder form a lock cylinder hole of the lock body and are used for installing the lock cylinder. The left half hole and the right half hole of the lock beam form a lock beam hole of the lock body and are used for installing the lock beam. The left half hole of the lock tongue and the right half hole of the lock tongue form a lock tongue hole of the lock body for installing the lock tongue. The left half marble hole and the right half marble hole form a marble hole of the lock body for mounting marbles.
In the actual processing of the lock body in the embodiment, the left half lock body and the right half lock body are respectively formed by die casting, the left half lock body, the left half lock core hole, the left half lock beam hole, the left half lock tongue hole and the left half marble holes can be integrally formed by die casting, and the right half lock body, the right half lock core hole, the right half lock beam hole, the right half lock tongue hole and the right half marble holes can be integrally formed by die casting; then, the left half lock body and the right half lock body are connected into a whole by welding; therefore, the lock core hole, the lock beam hole, the lock bolt hole and the spring hole do not need to be machined, the machining difficulty of the lock body can be reduced, the lock body is convenient to machine and manufacture, the machining efficiency of the lock body is improved, and waste of stainless steel materials caused by cutting waste materials generated in the machining process can be avoided; and the forming die of the left half lock body and the right half lock body does not need a core-pulling structure, the die is simple in structure, low in machining amount and low in manufacturing cost, the die is convenient to machine and manufacture, and the service life of the die is long.
The lock body in this embodiment is a lock body of a padlock, and is described as a lock body of a padlock, but of course, the lock body may be other lock bodies.
Further, as shown in fig. 2, the lock body further includes a positioning structure for positioning the left half lock body and the right half lock body. The positioning structure comprises a positioning hole and a positioning bulge 6.1 matched with the positioning hole. The positioning hole is arranged on one of the left half lock body and the right half lock body, and the positioning bulge is arranged on the other of the left half lock body and the right half lock body, for example, the positioning hole is arranged on the side surface of the left half lock body facing the right half lock body, and the positioning bulge is arranged on the side surface of the right half lock body facing the left half lock body; or the positioning hole is arranged on the side surface of the right half lock body facing the left half lock body, and the positioning bulge is arranged on the side surface of the left half lock body facing the right half lock body. The positioning bulge extends into the positioning hole. So, at the in-process that left half lock body and right half lock body welding are as an organic whole, can fix a position left half lock body and right half lock body through location structure to make the position accuracy of left half lock body and right half lock body.
The number of the positioning holes is two, and the positioning protrusions correspond to the positioning holes one to one.
The locating hole is with half lock body on the left side or the integrative die-casting shaping of half lock body on the right side, protruding and half lock body on the right side or the integrative die-casting shaping of half lock body on the left side of location. Therefore, the method is convenient for actual processing and manufacturing.
Furthermore, the left half lock body is formed by die casting, and the right half lock body is formed by die casting.
Furthermore, the left half lock body and the right half lock body are symmetrically arranged. So, the mould of half lock body on the left side and half lock body on the right side can be general, the actual processing preparation of being convenient for. Specifically, a left half hole of the lock core and a right half hole of the lock core are symmetrically arranged, a left half hole of the lock beam and a right half hole of the lock beam are symmetrically arranged, a left half hole of the lock tongue and a right half hole of the lock tongue are symmetrically arranged, and a left half hole of the marble and a right half hole of the marble are symmetrically arranged.
Furthermore, the left half lock body and the right half lock body are made of stainless steel.
In a second embodiment, the specific structure of the lock body of the present embodiment refers to the first embodiment, and the difference therebetween is that:
as shown in fig. 1 and 2, the left half hole 2.1 of the lock beam is composed of a left half deep hole 2.11 of the lock beam and a left half shallow hole 2.12 of the lock beam. The lock beam right half hole 2.2 consists of a lock beam right half deep hole 2.21 and a lock beam right half shallow hole 2.22. The left half deep hole and the right half deep hole of the lock beam form a lock beam deep hole of the lock body. The lock beam shallow hole of the lock body is formed by the lock beam left half shallow hole and the lock beam right half shallow hole. The lock beam hole consists of a lock beam deep hole and a lock beam shallow hole. The lock beam applied to the lock body of the embodiment is in an inverted U shape.
In a third embodiment, the specific structure of the lock body of the present embodiment refers to the first embodiment or the second embodiment, and the difference therebetween is that:
as shown in fig. 3 and 4, the top surfaces of the left and right half lock bodies are provided with lock beam protecting members 7.1 formed by extending upwards for protecting the lock beam. The left half lock body and the lock beam wrapping piece are integrally formed in a die-casting mode, and the right half lock body and the lock beam wrapping piece are integrally formed in a die-casting mode. The lock body of the embodiment is a lock body of a beam-wrapped padlock.
In a fourth embodiment, the specific structure of the lock body of the present embodiment refers to the first embodiment, and the differences thereof are as follows:
as shown in fig. 5 and 6, the shackle holes are in a straight shape. The lock beam applied to the lock body of the embodiment is in a straight shape.
The fifth concrete embodiment: a method for processing a lock body refers to the first embodiment, the second embodiment, the third embodiment or the fourth embodiment. A method for processing a lock body sequentially comprises the following steps:
first, the left half lock body, the left half hole of the lock core, the left half hole of the lock beam, the left half hole of the lock tongue and the left half holes of a plurality of marbles are integrally formed by die casting,
the right half lock body is integrally formed with the right half hole of the lock core, the right half hole of the lock beam, the right half hole of the lock tongue and the right half holes of the plurality of balls in a die-casting manner;
and secondly, the left half lock body and the right half lock body are connected into a whole by welding, so that the left half hole and the right half hole of the lock cylinder form a lock cylinder hole of the lock body, the lock cylinder is used for installing the lock cylinder, the left half hole and the right half hole of the lock beam form a lock beam hole of the lock body, the lock beam is used for installing the lock beam, the left half hole and the right half hole of the lock tongue form a lock tongue hole of the lock body, the lock tongue is used for installing the lock tongue, and the left half hole of the marble and the right half hole of the marble form a marble hole of the lock body and are used for installing.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (9)
1. A lock body is characterized by comprising a left half lock body and a right half lock body, wherein the left half lock body and the right half lock body are connected into a whole by welding, a lock cylinder left half hole, a lock beam left half hole, a lock tongue left half hole and a plurality of marble left half holes communicated with the lock cylinder left half hole are arranged on one side surface of the left half lock body facing to the right half lock body, a lock cylinder right half hole, a lock beam right half hole, a lock tongue right half hole and a plurality of marble right half holes communicated with the lock cylinder right half hole are arranged on one side surface of the right half lock body facing to the left half lock body,
the left half hole and the right half hole of the lock cylinder form a lock cylinder hole of the lock body and are used for installing the lock cylinder;
the lock beam hole of the lock body is formed by the left lock beam half hole and the right lock beam half hole and is used for installing the lock beam;
the left half hole and the right half hole of the lock tongue form a lock tongue hole of the lock body and are used for installing the lock tongue;
the left half marble hole and the right half marble hole form a marble hole of the lock body and are used for installing marbles.
2. The lock of claim 1, further comprising a positioning structure for positioning the left and right lock halves, wherein the positioning structure comprises a positioning hole and a positioning protrusion engaged with the positioning hole, the positioning hole is disposed on one of the left and right lock halves, the positioning protrusion is disposed on the other of the left and right lock halves, and the positioning protrusion extends into the positioning hole.
3. A lock body as claimed in claim 2, wherein there are two said locating holes, and said locating projections correspond one-to-one with said locating holes.
4. A lock as claimed in claim 2 or 3, wherein said positioning hole is integrally die-cast with said left or right lock body halves, and said positioning protrusion is integrally die-cast with said right or left lock body halves.
5. A lock body according to claim 1, 2 or 3, wherein said left half lock body is formed by die casting, and said right half lock body is formed by die casting.
6. A lock body according to claim 1, 2 or 3, characterized in that said left half-hole of the shackle consists of a left half-deep hole of the shackle and a left half-shallow hole of the shackle, said right half-hole of the shackle consists of a right half-deep hole of the shackle and a right half-shallow hole of the shackle, said left half-deep hole of the shackle and said right half-deep hole of the shackle constitute a deep hole of the shackle of the lock body, and said left half-shallow hole of the shackle and said right half-shallow hole of the shackle constitute a shallow hole of the lock body.
7. A lock according to claim 1, 2 or 3, wherein said left and right lock halves are symmetrically arranged.
8. A lock as claimed in claim 1, 2 or 3, wherein the left and right halves are made of stainless steel.
9. A method of manufacturing a lock body according to any of claims 1 to 8, comprising the steps of, in order:
first, the left half lock body, the left half hole of the lock core, the left half hole of the lock beam, the left half hole of the lock tongue and the left half holes of a plurality of marbles are integrally formed by die casting,
the right half lock body is integrally formed with the right half hole of the lock core, the right half hole of the lock beam, the right half hole of the lock tongue and the right half holes of the plurality of balls in a die-casting manner;
and secondly, the left half lock body and the right half lock body are connected into a whole by welding, so that the left half hole and the right half hole of the lock cylinder form a lock cylinder hole of the lock body, the lock cylinder is used for installing the lock cylinder, the left half hole and the right half hole of the lock beam form a lock beam hole of the lock body, the lock beam is used for installing the lock beam, the left half hole and the right half hole of the lock tongue form a lock tongue hole of the lock body, the lock tongue is used for installing the lock tongue, and the left half hole of the marble and the right half hole of the marble form a marble hole of the lock body and are used for.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860485.4A CN110761632A (en) | 2019-09-11 | 2019-09-11 | Lock body and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860485.4A CN110761632A (en) | 2019-09-11 | 2019-09-11 | Lock body and processing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110761632A true CN110761632A (en) | 2020-02-07 |
Family
ID=69329772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910860485.4A Pending CN110761632A (en) | 2019-09-11 | 2019-09-11 | Lock body and processing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110761632A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113441761A (en) * | 2021-06-22 | 2021-09-28 | 天津金键航天设备有限公司 | Preparation method of inner-cooling drill bit, inner-cooling drill bit and heating device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6470717B1 (en) * | 2001-05-03 | 2002-10-29 | Chun-Te Yu | Dials of a combination padlock |
| US20040055342A1 (en) * | 2002-09-23 | 2004-03-25 | Min-Hui Chen | Protective mechanism for padlock |
| CN2685478Y (en) * | 2004-02-17 | 2005-03-16 | 尤俊德 | Padlock structure |
| CN1876284A (en) * | 2005-06-09 | 2006-12-13 | 郑勇进 | Lock body machining process |
| CN201165812Y (en) * | 2008-03-04 | 2008-12-17 | 张再祥 | Containment shell lock |
| CN201241525Y (en) * | 2008-08-08 | 2009-05-20 | 邓伦凯 | Small padlock for alarming |
-
2019
- 2019-09-11 CN CN201910860485.4A patent/CN110761632A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6470717B1 (en) * | 2001-05-03 | 2002-10-29 | Chun-Te Yu | Dials of a combination padlock |
| US20040055342A1 (en) * | 2002-09-23 | 2004-03-25 | Min-Hui Chen | Protective mechanism for padlock |
| CN2685478Y (en) * | 2004-02-17 | 2005-03-16 | 尤俊德 | Padlock structure |
| CN1876284A (en) * | 2005-06-09 | 2006-12-13 | 郑勇进 | Lock body machining process |
| CN201165812Y (en) * | 2008-03-04 | 2008-12-17 | 张再祥 | Containment shell lock |
| CN201241525Y (en) * | 2008-08-08 | 2009-05-20 | 邓伦凯 | Small padlock for alarming |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113441761A (en) * | 2021-06-22 | 2021-09-28 | 天津金键航天设备有限公司 | Preparation method of inner-cooling drill bit, inner-cooling drill bit and heating device |
| CN113441761B (en) * | 2021-06-22 | 2023-04-18 | 哈尔滨瀚成科技有限公司 | Preparation method of inner-cooling drill bit, inner-cooling drill bit and heating device |
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Application publication date: 20200207 |
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| RJ01 | Rejection of invention patent application after publication |