CN217986850U

CN217986850U - Key ring

Info

Publication number: CN217986850U
Application number: CN202221393833.5U
Authority: CN
Inventors: 谢荔
Original assignee: Dongguan Yueke Enterprise Management Service Co ltd
Current assignee: Dongguan Yueke Enterprise Management Service Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-12-09
Anticipated expiration: 2032-06-07

Abstract

The utility model relates to a key ring, which ensures the smoothness of the outer part of the key ring and can be matched according to the shape of a hanging ring by forming an opening structure which is formed by a first arm and a second arm and applies force from inside to outside into the hanging ring of the key ring; and the whole structure is simple and the reliability is strong.

Description

Key ring

Technical Field

The utility model relates to a key ring technical field especially relates to a key ring.

Background

The key ring appearing in the market at present basically adopts a structure of applying force from outside to inside so as to open the opening of the key ring, namely, the opening structure is arranged outside the key ring, the structure is too traditional and lacks innovation, and a certain space is occupied outside the key ring, so that the external shape of the key ring is too abrupt, and the smoothness of the external shape of the key ring is influenced;

as shown in the following prior art, chinese utility model with publication number CN211722069U discloses a key ring, including key ring seat, key buckle ring, connecting rod and rings, the key buckle ring is fixed in key ring seat one end, and rings are fixed in the key ring seat other end, and key ring seat and rings pass through the connecting rod to be connected, and the connecting rod is provided with the fastener, and rings are fixed in on the connecting rod through the fastener. The prior art adopts a structure that force is applied from outside to inside so as to open the opening of the key ring, and the trigger protrudes relative to the retaining ring and occupies a certain space, so that the whole key ring is excessively abrupt in outside and the smoothness is reduced;

the Chinese utility model with publication number CN210642815U discloses a key ring device and a convolution spring device of an integrated opening and closing key ring, the convolution spring device of the integrated opening and closing key ring comprises a screw-in arm, a bending extension arm with elastic rotary force and a screw-out arm which are sequentially connected on a key ring body; whether the screw-in arm is extruded by external force or not is judged; the linkage is connected the arm of buckling of screwing out the arm and is produced deformation, realizes integrative key ring that opens and shuts. The utility model discloses the arm is pressed in to screw in arm connection, and the arm that revolves out connects the key ring device main part. Thereby this prior art adopts from outside-in application of force to open key ring open-ended structure to though adopt with the higher spiral arm structure of buckle planarization, open structure and buckle level and link up, whole planarization is higher, but its structure is too traditional, lacks the innovation.

Disclosure of Invention

The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, a key ring is provided to solve current key ring structure and too traditionally lack the innovation, and can occupy certain space in the outside of key ring, make the external shape of key ring too obtrusive, influence the technical problem of the planarization of the external shape of key ring.

The embodiment of the utility model provides a key ring, it includes: the hanging ring is provided with a single opening and a first end part and a second end part which form the opening, the first end part extends towards the interior of the hanging ring to form a first arm, and the free end of the first arm is provided with a first connecting part; the second arm is positioned in the hanging ring and is provided with a second connecting part and a third connecting part, the second connecting part is hinged with the first connecting part through an elastic hinge part, and the second connecting part takes the first connecting part as a rotating center so as to realize elastic opening and closing between the third connecting part and the second end part; when the third connecting portion and the second end portion are in a contact state, the key ring is in a closed state, and when the third connecting portion and the second end portion are in a non-contact state, the key ring is in an open state.

In some embodiments, the second end and the third connecting portion are positioned by a positioning structure.

In some embodiments, the positioning structure includes a positioning block disposed at the second end portion and a positioning groove disposed at the third connecting portion.

In some of these embodiments, the end face of the second end portion is flush with the end face of the third connecting portion when in contact.

In some embodiments, the first arm has a slot extending along the length of the first arm, and the second arm is positioned in the slot when the key fob is in the open position.

In some of these embodiments, the first arm is integrally formed with the suspension loop or welded thereto.

In some embodiments, the elastic hinge includes a rotating shaft and a torsion spring sleeved on the rotating shaft.

In some of these embodiments, the suspension loops are circular suspension loops or polygonal suspension loops.

In some of these embodiments, the first arm is a curvilinear arm.

In some of these embodiments, the second arm is a curvilinear arm.

Compared with the prior art, the key ring provided by the embodiment of the utility model has the advantages that the opening structure for applying force from inside to outside formed by the first arm and the second arm is formed inside the hanging ring of the key ring, so that the smoothness of the outside of the key ring is ensured, and the key ring can be matched according to the shape of the hanging ring; and the whole structure is simple and the reliability is strong.

The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below to provide a more concise and understandable description of other features, objects, and advantages of the invention.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a structural diagram of a key ring according to an embodiment of the present invention.

Fig. 2 is a structural view (positioning structure) of a key ring according to another embodiment of the present invention.

Fig. 3 is a structural view of a key ring (triangular suspension loop) according to another embodiment of the present invention.

Fig. 4 is a structural view of a key ring (quadrilateral suspension link) according to another embodiment of the present invention.

Fig. 5 is a structural view of a key ring (arc suspension ring) according to another embodiment of the present invention.

In the figure, 1, a suspension loop; 2. a first arm; 3. a second arm; 4. a first end portion; 5. a second end portion; 6. a first connection portion; 7. a second connecting portion; 8. a third connecting portion; 9. a rotating shaft; 10. mounting an arm; 11. a slot position; 12. a through groove; 13. positioning blocks; 14. and (6) positioning a groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described and illustrated with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments provided by the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Moreover, it will be appreciated that in the development of any such actual embodiment, as in any specific implementation, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention can be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as is commonly understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the invention are not to be construed as limiting the number, but may be construed to cover both the singular and the plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description may not be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The utility model relates to a "a plurality of" means more than or equal to two. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The terms "first," "second," "third," and the like in the description of the invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.

As shown in fig. 1, for the key ring of the embodiment of the present invention, its components include: the key ring comprises a hanging ring 1 as a main body, a first arm 2 and a second arm 3 as an opening structure, wherein the first arm 2 is used for assembling the second arm 3 as an extension of the hanging ring 1, and the second arm 3 is used as a movable part of the opening structure to play the state change of opening and closing the key ring. The whole structure is simple and the reliability is strong.

Specifically, as shown in fig. 1, the suspension loop 1 of the present embodiment is a circular suspension loop 1, and has a first end portion 4 and a second end portion 5 forming an opening, the first end portion 4 extends toward the inside of the suspension loop 1 to form a first arm 2, and a free end of the first arm 2 has a first connecting portion 6. In the present embodiment, the first arm 2 is integrally formed with the suspension loop 1. The first arm 2 of the present embodiment is linear in shape. In a further embodiment, the first arm 2 is welded to the suspension loop 1. Although the suspension loop 1 of the present embodiment is a circular suspension loop, the circular suspension loop 1 may include a non-standard circular suspension loop such as a circular suspension loop, for example: snow pear-shaped, cloud-shaped and the like have suspension loops with arc shapes. In further embodiments, shown in fig. 3-5, the suspension loops 1 are polygonal suspension loops comprising triangular suspension loops, quadrangular suspension loops, pentagonal suspension loops, etc. Besides the above-mentioned shapes, various shapes of suspension loops such as a combination of circular arc and straight edge can be applied.

As shown in fig. 1, the second arm 3 of this embodiment is located inside the suspension loop 1, and has a second connecting portion 7 and a third connecting portion 8, the second connecting portion 7 is hinged to the first connecting portion 6 through an elastic hinge, and the second connecting portion 7 uses the first connecting portion 6 as a rotation center, so as to realize elastic opening and closing between the third connecting portion 8 and the second end portion 5; wherein, when third connecting portion 8 and second tip 5 are in the contact state, the key ring is in the closed condition, and when third connecting portion 8 and second tip 5 were in non-contact state, the key ring was in the open mode. Elastic hinged member includes pivot 9 and cup joints the torsional spring in pivot 9, and two arm of force of torsional spring act on first arm 2 and second arm 3 respectively for second arm 3 keeps forming the state of opening with first arm 2 when not receiving the exogenic action, and this embodiment is the V-arrangement form, changes the contained angle between first arm 2 and the second arm 3 and changes the open-ended size through the application of force to second arm 3. The second connecting portion 7 and the third connecting portion 8 may be both end portions of the second arm 3 or may be a middle portion.

In the present embodiment, the first connecting portion 6 is two mounting arms 10, and the mounting arms 10 are provided with outer holes for inserting the rotating shaft 9. The second connecting part 7 has a through inner hole, and the rotating shaft 9 is locked after passing through the outer hole and the inner hole, so that the second arm 3 can rotate on the first arm 2. In order to allow the second arm 3 to have elastic opening and closing properties, the second arm 3 can automatically contact with the second end portion 5 to close the opening when no external force is applied. The slot 11 extends along the arm length on the first arm 2, when the key ring is in an open state, the second arm 3 is placed in the slot 11, and the slot 11 is formed between the two mounting arms 10, so that the slot 11 does not need to be separately arranged.

In the present embodiment, a single-opening through groove 12 is provided from the inner wall to the end face of the second end portion 5, and the through groove 12 can be used for accommodating the third connecting portion 8 of the second arm 3. In other embodiments, as shown in fig. 2, the second end portion 5 and the third connecting portion 8 are positioned by a positioning structure. The positioning structure includes a positioning block 13 disposed on the second end portion 5 and a positioning groove 14 disposed on the third connecting portion 8. The end face of the second end portion 5 is flush with the end face of the third connecting portion 8 when in contact.

In the present embodiment, the first arm 2 is a curved arm, and the second arm 3 is a curved arm. Any one continuous line is called a curve, and includes a straight line, a broken line, a line segment, a circular arc and the like. Therefore, the first arm 2 and the second arm 3 can be designed into a required shape according to the design, and a special shape is formed in the hanging ring 1, so that the overall shape and the aesthetic property of the key ring are improved. For example, the first arm 2 is provided as an arc segment and the second arm 3 is provided as an arc segment, which are combined to form a preferred arc segment, and for example, the first arm 2 is provided as a part of a star shape and the second arm 3 is provided as a part of a star shape, which are combined to form a star shape. The above description is about the case where the first arm 2 and the second arm 3 have symmetrical shapes, and asymmetrical shapes can be provided as needed, and the degree of freedom is high, and the method is applicable to different shape designs.

The key ring of this embodiment is metal key ring, and is durable and pleasing to the eye.

Compared with the prior art, the key ring provided by the embodiment of the utility model has the advantages that the opening structure which is formed by the first arm 2 and the second arm 3 and applies force from inside to outside is formed inside the hanging ring 1 of the key ring, so that the smoothness of the outside of the key ring is ensured, and the key ring can be matched according to the shape of the hanging ring 1; and the whole structure is simple and the reliability is strong.

It should be understood by those skilled in the art that various features of the above-described embodiments can be combined in any combination, and for the sake of brevity, all possible combinations of features in the above-described embodiments are not described in detail, but rather, all combinations of features which are not inconsistent with each other should be construed as being within the scope of the present disclosure.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A key ring, comprising:

a suspension loop (1) having a single opening and having a first end (4) and a second end (5) forming said opening, said first end (4) extending with a first arm (2) towards the inside of said suspension loop (1), a free end of said first arm (2) having a first connection portion (6); and

the second arm (3) is positioned in the hanging ring (1) and is provided with a second connecting part (7) and a third connecting part (8), the second connecting part (7) is hinged with the first connecting part (6) through an elastic hinge, and the second connecting part (7) takes the first connecting part (6) as a rotating center so as to realize elastic opening and closing between the third connecting part (8) and the second end part (5); wherein the content of the first and second substances,

when third connecting portion (8) and second tip (5) are in the contact state, the key ring is in the closed condition, when third connecting portion (8) and second tip (5) are in non-contact state, the key ring is in the open mode.

2. A key buckle according to claim 1, wherein the second end part (5) and the third connecting part (8) are positioned by means of a positioning structure.

3. A key buckle according to claim 2, wherein the positioning structure comprises a positioning block (13) arranged at the second end portion (5) and a positioning slot (14) arranged at the third connecting portion (8).

4. A key buckle according to claim 3, characterised in that the end surface of the second end part (5) is flush with the end surface of the third connecting part (8) when in contact.

5. A key fob according to claim 1, in which the first arm (2) has a slot (11) extending along its length, the second arm (3) being located in the slot (11) when the key fob is in the open position.

6. A key buckle according to claim 1, wherein the first arm (2) is formed integrally or welded to the suspension loop (1).

7. A key buckle according to claim 1, wherein the elastic hinge member comprises a rotary shaft (9) and a torsion spring sleeved on the rotary shaft (9).

8. A key buckle according to claim 1, wherein the suspension loop (1) is a circular suspension loop or a polygonal suspension loop.

9. A key fob according to claim 1, wherein the first arm (2) is a curvilinear arm.

10. A key fob according to claim 9, in which the second arm (3) is a curvilinear arm.