CN212185449U - Key ring capable of preventing key ring from loosening - Google Patents
Key ring capable of preventing key ring from loosening Download PDFInfo
- Publication number
- CN212185449U CN212185449U CN202020434786.9U CN202020434786U CN212185449U CN 212185449 U CN212185449 U CN 212185449U CN 202020434786 U CN202020434786 U CN 202020434786U CN 212185449 U CN212185449 U CN 212185449U
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- key ring
- locking
- piece
- groove
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- Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
Abstract
The utility model discloses a key ring for preventing key ring from loosening, which comprises a key ring main body, wherein the key ring main body is connected with the key ring through a locking component, the locking component comprises a locking piece and a locking shell which are matched with each other, a self-locking mechanism is also arranged in the key ring main body, and the self-locking mechanism comprises a limiting piece, an elastic piece and a positioning piece; traditional elastic metal circle structure has been left away to this product, adopts the semi-open becket that has "cap" form characteristic, and the cooperation corresponds buckle structure with it prevents that the snap ring from pulling down at the exogenic force, and the key ring drops, has increased the reliability, designs "indent" formula protruding structure at key ring buckle part, end of a thread when reducing normal use as far as, the risk that the cloth card was gone into has reduced simultaneously because of technological factor causes rocking of buckle to feel, improves the quality of key ring.
Description
Technical Field
The utility model relates to a key ring, in particular to prevent key ring that key ring pine takes off.
Background
The key ring is an article which is carried about in daily life, is convenient to hang on the waist of trousers due to a hook structure with a safety, is a practical small article when a key in a bag is tied.
The buckle part of key ring on the existing market often has very obvious clearance because technological factor between with the key ring main part, feels at the quality that seriously influences the key ring, under the condition that the external force was dragged, the easy pine is detained, causes the key ring landing, loses, brings unnecessary puzzlement and trouble for the life.
Furthermore, the prior key ring is known to be used for 'looping' a key and other objects by using an elastic metal ring, but when the key ring in the mode is used for installing and disassembling small objects such as keys, the elastic metal ring is often required to be firstly opened by using hard objects such as nails and the like in a known mode, then the installation and disassembly can be carried out, the key ring is completed by hands by using tools with some skills, the fingernails are often injured, and especially people who are conscious of protecting fingernail details can be protected. And the process characteristics of the elastic metal ring determine that the cross section of the elastic metal ring is not easy to mount or mount relative to a small object carried by a key with a small key hole, and the relative position of the elastic metal ring is not smooth, so that the use experience is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a key ring that prevents key ring pine and take off is used for overcoming among the prior art under the exogenic action key ring pine and take off easily, the inconvenient defect of personal little article installation such as key, nail clippers.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model discloses a key ring for preventing a key ring from loosening, which comprises a key ring main body, wherein the key ring main body is connected with the key ring through a locking component; the locking assembly comprises a locking piece and a locking shell which are matched with each other; a self-locking mechanism is also arranged in the key ring main body; the self-locking mechanism comprises a limiting part, an elastic part and a positioning part.
Furthermore, the key ring is a semi-open ring structure, and two cap parts are arranged at the open ring.
Furthermore, first grooves are formed in two side faces of the base of the fixing piece, and second grooves are formed in two side faces of the locking shell.
Further, the first step of the locking member is in clearance fit with the two caps of the key ring.
Furthermore, a waist-shaped hole is formed in the lower end face of the key ring main body, and the diameter of one end of the waist-shaped hole is larger than that of the other end of the waist-shaped hole.
Furthermore, the elastic part is placed in a groove formed in the limiting part, hanging lugs are arranged on two sides of the groove, positioning holes are formed in the outer surface of the key ring main body, and the positioning part penetrates through the hanging lugs and the positioning holes in the groove.
Furthermore, the round holes of the hangers and the positioning holes are concentric circles.
Further, the locking piece is divided into: the size of the first step and the size of the third step are all larger than that of the second step.
Further, the size of the second step is smaller than the size of the diameter of the small end of the kidney-shaped hole, and the sizes of the first step and the third step are larger than the size of the diameter of the large end of the kidney-shaped hole.
The utility model discloses the beneficial effect who reaches is: traditional elastic metal circle structure has been left away to this product, adopt semi-open have the becket of "cap" form characteristic, the cooperation buckle structure that corresponds with it, prevent that the snap ring from pulling down at the exogenic force, the key ring drops, the reliability has been increased, at key ring buckle part design "indent" formula protruding structure, end of a thread when reducing normal use as far as, cloth card is gone into and is leaded to the key ring pine to take off the risk of losing, the sense of rocking of buckle has been reduced because of technological factor causes simultaneously, the quality of key ring is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is an exploded view of the first embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the present invention at A in FIG. 1;
fig. 4 is a locking state diagram of the self-locking device of the present invention;
fig. 5 is an open state diagram of the self-locking device of the present invention;
fig. 6 is a side view structural diagram of the first embodiment of the present invention;
fig. 7 is a schematic structural diagram of a second embodiment of the present invention.
In the figure: 1. a key ring body; 101. a cavity; 2. a key ring; 21. a cap portion; 3. a limiting member; 31. hanging a lug; 4. an elastic member; 5. a positioning member; 6. a first locking member; 61. a first step; 62. a second step; 63. a third step; 64. a base; 65. a first groove; 7. a locking housing; 71. a second groove; 8. a limiting hole; 9. a slot; 10. a second locking member; 1001. a recessed portion.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1
As shown in fig. 1-6, a key ring for preventing a key ring from being released comprises a key ring body 1, wherein the key ring body 1 is connected with a key ring 2 through a locking component;
the locking assembly comprises a first locking piece 6 and a locking shell 7 which are matched with each other;
a self-locking mechanism is arranged inside the key ring main body 1;
the self-locking mechanism comprises a limiting piece 3, an elastic piece 4 and a positioning piece 5;
the key ring is characterized in that a waist-shaped hole is formed in the bottom of the key ring main body 1, a cavity for accommodating the self-locking mechanism is formed in the lower part of the key ring main body, and the cavity is communicated with the waist-shaped hole;
the elastic part 4 is placed in the groove formed in the limiting part 3, the hanging lugs 31 are arranged on two sides of the groove, the positioning hole is formed in the outer surface of the key ring main body 1, and the positioning part 5 penetrates through the hanging lugs 31 and the positioning hole in the groove.
The round hole of the hanging lug 31 and the positioning hole are concentric circles; the lower end face of the key ring main body 1 is provided with a waist-shaped hole, and the diameter of one end of the waist-shaped hole is larger than that of the other end; the key ring 2 is a semi-open ring structure, and two cap parts 21 are arranged at the open ring;
the first locking piece 6 comprises a first step 61, a second step 62, a third step 63 and a base 64 which are arranged from top to bottom, and two side surfaces of the base 64 are provided with first grooves 65 for clamping the cap part 21; and the size of the first step 61 and the third step 63 is larger than that of the second step 62; the size of the second step 62 is smaller than the size of the small end diameter of the kidney-shaped hole, while the size of the first step 61 and the third step 63 is larger than the size of the large end diameter of the kidney-shaped hole.
The first step 61 is in clearance fit with the two cap portions 21 of the key ring 2;
the two side surfaces of the locking shell 7 are both provided with second grooves 71 for clamping the cap part 21.
Specifically, when the key ring assembly is used, the first locking piece 6 is placed between two end parts of the semi-open type key ring 2, the two cap parts 21 are clamped into the first grooves 65 on the two side surfaces of the first locking piece 6, the locking shell 7 is covered, the second grooves 71 on the two side surfaces of the locking shell 7 are clamped with the two cap parts 21 of the key ring 2 to form the key ring assembly, the key ring assembly enters the key ring body 1 through the large-end diameter part of the waist-shaped hole on the lower end surface of the key ring body 1, the limiting part 3 in the self-locking mechanism is jacked up, then the key ring assembly slides to the small-diameter part of the waist-shaped hole to be positioned, and due to the action of the elastic part 4 in the self-locking mechanism, the limiting part 3 falls down to cover the large-end diameter part of the waist-; when the key ring component needs to be taken down, external force is applied to jack the limiting part 3, the key ring component only needs to be withdrawn along the diameter of the large end of the waist-shaped hole, then the locking shell 7 in the key ring component is taken up, the first locking piece 6 is pulled downwards, and the key can be taken down after the key ring 2 is exposed.
Example 2
As shown in fig. 7, a key ring capable of preventing a key ring from loosening is characterized by comprising a key ring main body 1, wherein the key ring main body 1 is connected with a key ring 2 through a locking assembly, a slot 9 for accommodating a second locking piece 10 is formed in the lower end face of the key ring main body 1, and the second locking piece 10 is in clearance fit with the slot 9;
the locking assembly comprises a locking piece 6 and a locking shell 7 which are matched with each other; the key ring 2 is a semi-open ring structure, a groove is formed in the position, far away from the end face of the key ring, of the open ring, and second grooves 71 used for clamping the groove are formed in the two side faces of the locking shell 7;
an arc-shaped concave part 1001 is arranged on the upper part of the second locking piece 10 along the circumferential direction;
after second locking piece 10 inserted key ring main part 1, be provided with on the key ring main part 1 with the spacing hole 8 of slot 9 vertically, curved depressed part 1001 overlaps with one section circular arc in spacing hole 8, inserts setting element 5 in spacing hole 8 to the position of second locking piece 10 has been fixed.
Specifically, when the key ring is used, the second locking piece 10 with the key ring 2 is inserted into the slot 9 on the lower end face of the key ring main body 1, and then the positioning piece 5 is assembled into the limiting hole 8 of the key ring main body 1 to position the second locking piece 10; when the key ring is taken down, the positioning piece 5 is pulled out, and then the second locking piece 10 with the key ring 2 is pulled out downwards.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A key ring capable of preventing a key ring from loosening is characterized by comprising a key ring main body, the key ring and a locking assembly, wherein the key ring is of a semi-open ring structure, and clamping pieces clamped with the locking assembly are arranged at two ends of the open ring;
the locking assembly comprises a locking piece, a locking shell and a detachable connecting piece which are matched with each other; two side surfaces of the lower end of the locking piece are respectively provided with a first groove for clamping the clamping piece, and two side surfaces of the locking shell are respectively provided with a second groove for clamping the clamping piece; the lower half parts of the two clamping pieces are clamped into the first groove, and the upper half parts of the two clamping pieces are clamped into the second groove;
the key ring main part is assembled on the key ring main part through dismantling the connecting piece with the locking piece.
2. The key ring of claim 1, wherein the locking member is a cap provided at the open ring, and the diameter of the cap is larger than the diameter of the width of the key ring.
3. The key ring of claim 1, wherein the retaining member is a groove formed in an end surface of the key ring remote from the key ring.
4. The key ring capable of preventing the key ring from loosening as claimed in claim 2 or 3, wherein the detachable connecting member comprises a waist-shaped hole formed in the bottom of the key ring body and a cavity formed in the lower part thereof and used for accommodating the self-locking mechanism, the cavity is communicated with the waist-shaped hole, and the diameter of the waist-shaped hole is larger at one end than at the other end;
the self-locking mechanism comprises a limiting piece, an elastic piece and a positioning piece; the elastic piece is placed in a groove formed in the limiting piece, hanging lugs are arranged on two sides of the groove, a positioning hole is formed in the outer surface of the key ring main body, and the positioning piece penetrates through the hanging lugs and the positioning hole in the groove;
the first locking piece sequentially comprises a first step, a second step, a third step and a base from top to bottom, and the first groove is formed in two side faces of the base; the sizes of the first step and the third step are larger than the size of the second step; the size of the second step is smaller than the diameter of the small end of the kidney-shaped hole, and meanwhile, the sizes of the first step and the third step are larger than the diameter of the large end of the kidney-shaped hole; the first step is in clearance fit with the expanded part of the key ring;
the diameter of the large end of the waist-shaped hole is crossed by the first step and the second step, the first step enters a cavity for accommodating the self-locking mechanism, the limiting part is jacked up by the first step, the second step slides to the position with the smaller diameter of the waist-shaped hole to enable the second step to be positioned, and the elastic part enables the limiting part to fall down to block the large end of the waist-shaped hole.
5. The key ring of claim 4, wherein the key ring body has a slot and a second locking member formed at a lower end surface thereof;
the upper part of the second locking piece is provided with an arc-shaped concave part along the circumferential direction; the outer surface of the key ring main body is provided with a limiting hole and is intersected with the slot at the bottom of the key ring main body.
6. The key ring of claim 5, wherein the size of the second lock locking piece is less than the size of the positioning hole, and the radian of the concave part is coincided with the radian of the limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020434786.9U CN212185449U (en) | 2020-03-30 | 2020-03-30 | Key ring capable of preventing key ring from loosening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020434786.9U CN212185449U (en) | 2020-03-30 | 2020-03-30 | Key ring capable of preventing key ring from loosening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212185449U true CN212185449U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020434786.9U Active CN212185449U (en) | 2020-03-30 | 2020-03-30 | Key ring capable of preventing key ring from loosening |
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| Country | Link |
|---|---|
| CN (1) | CN212185449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111213962A (en) * | 2020-03-30 | 2020-06-02 | 无锡罗利尔科技有限公司 | Key ring capable of preventing key ring from loosening |
-
2020
- 2020-03-30 CN CN202020434786.9U patent/CN212185449U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111213962A (en) * | 2020-03-30 | 2020-06-02 | 无锡罗利尔科技有限公司 | Key ring capable of preventing key ring from loosening |
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