CN212642394U

CN212642394U - Durable mechanical padlock with lock tooth protection structure

Info

Publication number: CN212642394U
Application number: CN201922331459.0U
Authority: CN
Inventors: 郑建伟
Original assignee: Pujiang Sina Lock Co ltd
Current assignee: Pujiang Sina Lock Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2021-03-02
Anticipated expiration: 2029-12-23

Abstract

The invention discloses a durable mechanical padlock with a locking tooth protection structure, which comprises a locking hook and a lock body, wherein the longer end of the locking hook is rotatably inserted into the lock body, a vertically arranged lock core is arranged in the lock body, a transversely arranged lock catch is arranged at the top end of the lock core, a locking tooth locking groove is arranged on one side of the lock catch, which is far away from the insertion end of the locking hook, a locking tooth main body is arranged at the other end of the locking hook, a locking tooth groove is arranged on one side of the locking tooth main body, which is close to the side of the locking hook, which extends into the lock body, a first arc surface and a second arc surface are arranged on the upper side and the lower side of the opening end of the locking tooth groove, a third arc surface, a fourth arc surface and a fifth arc surface are sequentially arranged at the matching part of the lock catch and the locking tooth groove from top to bottom, the locking tooth is provided with. Greatly improving the service life of the device.

Description

Durable mechanical padlock with lock tooth protection structure

Technical Field

The invention relates to the technical field of electroplating padlocks, in particular to an electroplating padlock with a moisture-proof function.

Background

Padlocks are the oldest and bulky families in the world of locks, and other locks are said to be derived from padlocks and other doors. The lock body of the padlock is provided with a metal stem which can be buckled and connected in a ring shape or a straight shape, namely a 'lock beam', so that the padlock is directly buckled with the lock body through the lock beam to form a closed lock.

The mechanical padlock teeth in the prior art have poor wear resistance and short service life.

Disclosure of Invention

The present invention is directed to a durable mechanical padlock with a tooth protection structure to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a take durable type machinery padlock of lock tooth protective structure, includes latch hook and lock body, the rotatory grafting of the longer one end of latch hook is in the lock body, the inside lock core that is equipped with vertical setting of lock body, the top of lock core is equipped with the hasp of horizontal setting, one side that the latch hook inserted the end is kept away from to the hasp is equipped with lock tooth locking groove, the other end of latch hook is equipped with lock tooth main part, one side that lock tooth main part is close to the latch hook and stretches into in the lock body is equipped with lock tooth groove, both sides are equipped with first arc surface and second arc surface about the open end of lock tooth groove, hasp and lock tooth groove cooperation department from top to bottom are equipped with third arc surface, fourth arc surface and fifth arc surface in proper order, lock tooth is equipped with a plurality of layers, by outer and interior second wear-resistant paint layer, second wearing layer and the stainless steel layer.

Furthermore, the contact position of the lock catch and the lock tooth groove is provided with a plurality of layers, and a first wear-resistant paint layer, a first wear-resistant layer and a first stainless steel layer are sequentially arranged from outside to inside.

Further, the latch hook is integrally formed by pressing.

Furthermore, the contact part of the lock catch and the lock tooth groove is integrally pressed and formed.

Further, the tooth locking groove and the lock catch are matched with each other for use.

Furthermore, the lock body is integrally formed by pressing.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a with the closed angle of lock tooth and hasp contact department among the prior art change first arc surface, second arc surface, third arc surface, fourth arc surface and fifth arc surface into, less the damage of lock tooth and hasp in the interact greatly, set lock tooth and hasp to the three-layer moreover, greatly increased its wearability, improved its life, it is very practical.

Drawings

FIG. 1 is a schematic front view of a durable mechanical padlock with a tooth protection structure according to the present invention;

FIG. 2 is an enlarged view of a durable mechanical padlock with a tooth protection structure according to the present invention at A;

FIG. 3 is a cross-sectional view of a shackle of a durable mechanical padlock with a tooth guard structure according to the present invention;

fig. 4 is a cross-sectional view of the teeth of a durable mechanical padlock with a tooth protection structure according to the invention.

The reference numerals are explained below:

1. a lock body; 2. a latch hook; 3. a lock cylinder; 4. locking; 5. a locking tooth main body; 6. a first arc surface; 7. a fourth arc surface; 8. a tooth locking groove; 9. a fifth arc surface; 10. a second arc surface; 11. a locking tooth locking groove; 12. a third arc surface; 13. a first wear resistant paint layer; 14. a first wear resistant layer; 15. a first stainless steel layer; 16. a second abrasion resistant paint layer; 17. a second wear layer; 18. a second stainless steel layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution:

a durable mechanical padlock with a locking tooth protection structure comprises a shackle 2 and a lock body 1, wherein the longer end of the shackle 2 is rotatably inserted in the lock body 1, a vertically arranged lock core 3 is arranged in the lock body 1, a transversely arranged lock catch 4 is arranged at the top end of the lock core 3, one side of the lock catch 4 far away from the insertion end of the lock hook 2 is provided with a lock tooth locking groove 11, the other end of the lock hook 2 is provided with a lock tooth main body 5, a locking tooth groove 8 is arranged at one side of the locking tooth main body 5, which is close to the locking hook 2 and extends into the lock body 1, a first arc surface 6 and a second arc surface 10 are arranged at the upper side and the lower side of the opening end of the locking tooth groove 8, a third arc surface 12, a fourth arc surface 7 and a fifth arc surface 9 are sequentially arranged at the matching part of the lock catch 4 and the lock tooth groove 8 from top to bottom, the lock tooth is provided with a plurality of layers, and a second wear-resistant paint layer 16, a second wear-resistant layer 17 and a second stainless steel layer 18 are sequentially arranged from outside to inside.

Furthermore, the contact part of the lock catch 4 and the tooth locking groove 8 is provided with a plurality of layers, which are sequentially a first wear-resistant paint layer 13, a first wear-resistant layer 14 and a first stainless steel layer 15 from outside to inside.

Further, the locking hook 2 is integrally formed by pressing.

Furthermore, the contact part of the lock catch 4 and the lock tooth groove 8 is integrally formed by pressing.

Further, the locking tooth groove 8 and the locking buckle 4 are matched with each other.

Further, the lock body 1 is integrally formed by pressing.

The working principle is as follows: during the use, when lock tooth main part 5 inserts in the hasp 4, through the first arc surface 6 of lock tooth main part 5, the third arc surface 12 on second arc surface 10 and the hasp 4, fourth arc surface 7, the cooperation between the fifth arc surface 9, the right angle limit that has significantly reduced and the wearing and tearing on right angle limit, and through at the first wear-resisting paint layer 13 of hasp, set up second wear-resisting paint layer 16 on first wearing layer 14 and first stainless steel layer 15 and the lock tooth, second wear-resisting paint layer 17 and second stainless steel layer 18 have improved its life greatly.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a take durable type machinery padlock of locking tooth protective structure, includes latch hook (2) and lock body (1), its characterized in that: the lock is characterized in that the longer end of the lock hook (2) is rotatably inserted into the lock body (1), a vertically arranged lock core (3) is arranged inside the lock body (1), a transversely arranged lock catch (4) is arranged at the top end of the lock core (3), a lock tooth locking groove (11) is arranged on one side, away from the insertion end of the lock hook (2), of the lock catch (4), a lock tooth main body (5) is arranged at the other end of the lock hook (2), a lock tooth groove (8) is arranged on one side, close to the lock hook (2), of the lock tooth main body (5) extending into the lock body (1), a first arc surface (6) and a second arc surface (10) are arranged on the upper side and the lower side of the opening end of the lock tooth groove (8), a third arc surface (12), a fourth arc surface (7) and a fifth arc surface (9) are sequentially arranged at the matching position of the lock catch (4) and the lock tooth groove (8) from top to bottom, the lock tooth is provided with a, A second wear resistant layer (17) and a second stainless steel layer (18).

2. The durable mechanical padlock with the tooth protection structure is characterized in that the contact part of the shackle (4) and the tooth groove (8) is provided with a plurality of layers, and the layers are a first wear-resistant paint layer (13), a first wear-resistant layer (14) and a first stainless steel layer (15) from outside to inside.

3. A durable mechanical padlock of claim 1, wherein: the lock hook (2) is integrally pressed and formed.

4. A durable mechanical padlock of claim 1, wherein: the contact part of the lock catch (4) and the lock tooth groove (8) is integrally pressed and formed.

5. A durable mechanical padlock of claim 1, wherein: the tooth locking groove (8) and the lock catch (4) are matched with each other for use.

6. A durable mechanical padlock of claim 1, wherein: the lock body (1) is integrally pressed and formed.