CN106852551A

CN106852551A - A kind of key chain

Info

Publication number: CN106852551A
Application number: CN201510899322.9A
Authority: CN
Inventors: 魏文艺; 张涛奋
Original assignee: Chongqing Guan Chi Science And Technology Ltd
Current assignee: Chongqing Guan Chi Science And Technology Ltd
Priority date: 2015-12-09
Filing date: 2015-12-09
Publication date: 2017-06-16

Abstract

The present invention relates to a kind of key chain, belong to mankind's daily living article.Including hook base, key buckle ring and clasp seat, it is characterized in：One end of the hook base be extended with arc lock hook, tommy bar groove is formed with the middle of lower section, bottom is extended lock hook shaft, it is pivotally connected in tommy bar groove to have a plate stem, one end of tommy bar has driving end, the driving end is leant out outside hook base from tommy bar groove, the other end of tommy bar has latch hook pin, the latch hook pin is resisted against on the free end of arc lock hook and closed-loop is formed between arc lock hook, and a torsion spring chamber is further opened with described tommy bar, and a torsion spring is equipped with torsion spring chamber；Described clasp seat is fixed on the lock hook shaft of hook base bottom, and at least two clasp holes are offered in the lower section of clasp seat；Described key buckle ring at least includes big key buckle ring, small key buckle ring, and big key buckle ring, small key buckle ring are separately mounted in corresponding clasp hole.Advantage：Fastening effect is good, and the scope of application is wider；Facilitate and take.

Description

A kind of key chain

Technical field

The invention belongs to mankind's daily living article technical field, and in particular to a kind of key chain.

Background technology

Traditional key chain will be buckled not on belt, it is necessary to depend on belt, thus the scope for using is narrow.And traditional key chain is all a key chain extension bunch of keys, in real life, study, inhabitation, office space will use key, if all hanging over unavoidably many on a key chain and being difficult to ransack, seem burdensome again if point several key chains of extension.The present invention is based on this and designs generation.

The content of the invention

There is problem for above-mentioned, the invention aims to provide a kind of easy to use, space availability ratio high, simple structure, key chain applied widely.

The purpose of the present invention is such to what is reached, a kind of key chain, including hook base 1, key buckle ring 3 and hook base 1 and key buckle ring 3 are connected clasp seat 2, be characterized in：One end of described hook base 1 is extended with an arc lock hook 11, tommy bar groove 16 is formed with the middle of the lower section of lock hook seat 1, the bottom of lock hook seat 1 is extended lock hook shaft 15, it is pivotally connected in tommy bar groove 16 to have a plate stem 12, one end of tommy bar 12 has driving end 121, the driving end 121 leans out outside hook base 1 from tommy bar groove 16, the other end of tommy bar 12 has latch hook pin 122, the latch hook pin 122 is resisted against on the free end of arc lock hook 11 and forms closed-loop between arc lock hook 11, a torsion spring chamber 124 is further opened with described tommy bar 12, one is equipped with torsion spring chamber 124 for making the torsion spring 14 of the self-return of tommy bar 12；Described clasp seat 2 is fixed on the lock hook shaft 15 of the bottom of hook base 1, and at least two clasp holes 21 are offered in the lower section of clasp seat 2；Described key buckle ring 3 at least includes big key buckle ring 31, small key buckle ring 32, and big key buckle ring 31, small key buckle ring 32 are separately mounted in corresponding clasp hole 21.

In a specific embodiment of the invention, the middle part of described tommy bar 12 offers one first axis hole 123, the second axis hole 18 is offered on described hook base 1, be pivotally connected in tommy bar 12 on hook base 1 after through the second axis hole 18, the axis hole 123 of torsion spring 14 and first by a bearing pin 13.

In another specific embodiment of the invention, described torsion spring 14 has a pair of torsion spring pin 141, wherein a torsion spring pin 141 is resisted against in the torsion spring pin caulking groove 17 of hook base 1, another torsion spring pin 141 is resisted against on the hook pin 122 of tommy bar 12.

In another specific embodiment of the invention, offered for the latch hook axis hole 23 for the inserting of lock hook shaft 15 in the middle of the top axial of the clasp seat 2, the upper end radial direction side of the clasp seat 2 offers the annular groove 22 for being communicated with latch hook axis hole 23, snap ring 24 is inserted with annular groove 22, annular groove 151 is offered on lock hook shaft 15, clasp seat 2 is fixed on the lock hook shaft 15 of hook base 1 by the cooperation of snap ring 24 and annular groove 151.

In another specific embodiment of the invention, the diameter with diameter greater than described small key buckle ring 32 of described big key buckle ring 31.

The present invention is due to using after said structure, having the advantage that：The key chain of cingulum mode is employed, is buckled by the thrust of torsion spring, then the folding of key chain is controlled by pushing force, not only fastening effect is good, and cause that the wearable scope of key chain is wider；Meanwhile, after having hung clasp of different sizes on clasp seat, it is easy to people that many keys are classified, facilitate and take.

Brief description of the drawings

Fig. 1 is the structural representation of a specific embodiment of the invention.

In figure：1. hook base, 11. camber latch hooks, 12. tommy bars, 121. driving ends, 122. latch hook pin, 123. first axis holes, 124. torsion spring chambers, 13. bearing pins, 14. torsion springs, 141. torsion spring pin, 15. lock hook shafts, 151. annular grooves, 16. tommy bar grooves, 17. torsion spring pin caulking grooves, 18. second axis holes；2. clasp seat, 21. clasp holes, 22. annular grooves, 23. latch hook axis holes, 24. snap rings；3. key buckle ring, 31 big key buckle rings, 32 small key buckle rings.

Specific embodiment

In order that the auditor of Patent Office especially the public can be more clearly understood from technical spirit of the invention and beneficial effect, applicant will elaborate with reference to accompanying drawing by way of example below, but to the description of embodiment it is not the limitation to the present invention program, it is any according to done by present inventive concept being only that formal rather than substantial equivalent transformation is regarded as technical scheme category.

Refer to Fig. 1, a kind of key chain, including hook base 1, key buckle ring 3 and the clasp seat 2 for connecting hook base 1 and key buckle ring 3.One end of described hook base 1 be extended with an arc lock hook 11, tommy bar groove 16 is formed with the middle of the lower section of lock hook seat 1, extended there is lock hook shaft 15 bottom of lock hook seat 1, the shape of arc lock hook 11 is unrestricted, it can be semicircle, or square, or rectangle etc..It is pivotally connected in tommy bar groove 16 to have a plate stem 12, one end of described tommy bar 12 has driving end 121, the driving end 121 leans out outside hook base 1 from tommy bar groove 16, the other end of tommy bar 12 has latch hook pin 122, the latch hook pin 122 is resisted against on the free end of arc lock hook 11 and forms closed-loop between arc lock hook 11, a torsion spring chamber 124 is further opened with described tommy bar 12, one is equipped with torsion spring chamber 124 for making the torsion spring 14 of the self-return of tommy bar 12, described torsion spring 14 has a pair of torsion spring pin 141, wherein one torsion spring pin 141 is resisted against in the torsion spring pin caulking groove 17 of hook base 1, another torsion spring pin 141 is resisted against on the hook pin 122 of tommy bar 12.The middle part of described tommy bar 12 offers one first axis hole 123, and the second axis hole 18 is offered on described hook base 1, and be pivotally connected in tommy bar 12 on hook base 1 after through the second axis hole 18, the axis hole 123 of torsion spring 14 and first by a bearing pin 13.Described clasp seat 2 is fixed on the lock hook shaft 15 of the bottom of hook base 1, specifically：Offered in the middle of the top axial of clasp seat 2 for the latch hook axis hole 23 for the inserting of lock hook shaft 15, the upper end radial direction side of the clasp seat 2 offers the annular groove 22 for being communicated with latch hook axis hole 23, snap ring 24 is inserted with annular groove 22, annular groove 151 is offered on lock hook shaft 15, clasp seat 2 is fixed on the lock hook shaft 15 of hook base 1 by the cooperation of snap ring 24 and annular groove 151.At least two clasp holes 21 are offered in the lower section of clasp seat 2, two are illustrated in figure, but quantity is unrestricted, or two or more.Described key buckle ring 3 at least includes big key buckle ring 31, small key buckle ring 32, the diameter with diameter greater than described small key buckle ring 32 of described big key buckle ring 31, and big key buckle ring 31, small key buckle ring 32 are separately mounted in corresponding clasp hole 21.Herein it should be noted that：The shape of key buckle ring 3 can also be changed, such as polygon and other irregular shapes.

Please continue to refer to Fig. 1, the narration present invention is such to what is used：When the driving end 121 of tommy bar 12 is pulled, torsion spring 14 shrinks under force, so as to promote stop hook pin 122 counterclockwise to be overturn around bearing pin 13, makes to form opening between tommy bar 12 and arc lock hook 11；And when the driving end 121 of tommy bar 12 is decontroled, the clockwise direction of tommy bar 12 is rotated around bearing pin 13 in the presence of the restoring force of torsion spring 14, makes to re-form close ring between arc lock hook 11 and tommy bar 12, it is very convenient to operate.

Claims

1. a kind of key chain,Including hook base (1),Key buckle ring (3),And clasp seat (2) for connecting hook base (1) and key buckle ring (3),It is characterized in that one end of described hook base (1) is extended with an arc lock hook (11),Tommy bar groove (16) is formed with the middle of the lower section of lock hook seat (1),The bottom of lock hook seat (1) is extended lock hook shaft (15),It is pivotally connected in tommy bar groove (16) to have a plate stem (12),One end of tommy bar (12) has driving end (121),The driving end (121) leans out hook base (1) outward from tommy bar groove (16),The other end of tommy bar (12) has latch hook pin (122),The latch hook pin (122) is resisted against on the free end of arc lock hook (11) and forms closed-loop between arc lock hook (11),A torsion spring chamber (124) is further opened with described tommy bar (12),One is equipped with torsion spring chamber (124) for making the torsion spring (14) of tommy bar (12) self-return；Described clasp seat (2) is fixed on the lock hook shaft (15) of hook base (1) bottom, and at least two clasp holes (21) are offered below clasp seat (2)；Described key buckle ring (3) at least includes big key buckle ring (31), small key buckle ring (32), and big key buckle ring (31), small key buckle ring (32) are separately mounted in corresponding clasp hole (21).

2. a kind of key chain according to claim 1, it is characterized in that offering one first axis hole (123) in the middle part of described tommy bar (12), the second axis hole (18) is offered on described hook base (1), be pivotally connected in tommy bar (12) on hook base (1) after through the second axis hole (18), torsion spring (14) and the first axis hole (123) by a bearing pin (13).

3. a kind of key chain according to claim 1, it is characterized in that described torsion spring (14) is with a pair of torsion spring pin (141), wherein one torsion spring pin (141) is resisted against in torsion spring pin caulking groove (17) of hook base (1), and another torsion spring pin (141) is resisted against on the hook pin (122) of tommy bar (12).

4. a kind of key chain according to claim 1, it is characterized in that being offered in the middle of the top axial of clasp seat (2) for the latch hook axis hole (23) for lock hook shaft (15) inserting, the upper end radial direction side of clasp seat (2) offers the annular groove (22) for being communicated with latch hook axis hole (23), snap ring (24) is inserted with annular groove (22), annular groove (151) is offered on lock hook shaft (15), clasp seat (2) is fixed on the lock hook shaft of hook base (1) (15) by the cooperation of snap ring (24) and annular groove (151).