Necklace buckle

Abstract

The utility model relates to the field of necklace clamping, in particular to a necklace buckle. According to the necklace, the first clamping unit and the second clamping unit are arranged, and the sliding block in the second clamping unit can slide in the sliding groove in the first clamping unit and can be clamped in the clamping groove in the first clamping unit; when the necklace is worn, a user only needs to hold the first clamping unit and the second clamping unit with a hand, enable the sliding block to slide to the position of the clamping groove in the sliding groove and then enable the sliding block to be clamped into the clamping groove, the clamping block can tightly clamp the sliding block, and the necklace can be conveniently worn; when the necklace needs to be taken down, the sliding block is separated from the clamping groove by holding the first clamping unit and the second clamping unit with a hand, and the first clamping unit and the second clamping unit can be quickly separated by sliding the sliding block in the sliding groove, so that the necklace can be quickly taken down; therefore, the problem that an existing necklace buckle is tedious in operation when a necklace is worn or opened can be solved.

Description

Technical Field

[0001] This utility model relates to the field of necklace clips, and more specifically, to a necklace clasp. Background Technology

[0002] Necklaces are a popular accessory among women. However, due to their typically long, narrow shape and small opening at the end, the common connection methods are threaded or hook-and-loop fasteners. This makes it difficult to quickly find the opening and open the necklace when putting it on or taking it off, and the operation is cumbersome and time-consuming, often requiring external force to remove it easily. Therefore, this invention provides a necklace clasp that solves the problem of cumbersome operation when putting on or taking off necklaces. Utility Model Content

[0003] To address the cumbersome operation of existing necklace clasps when putting on or taking off a necklace, this utility model provides a necklace clasp:

[0004] A first engaging unit, comprising a connecting module and a first engaging module; one end of the first engaging module is fixedly connected to one end of the connecting module; the first engaging module includes a locking shaft, a locking block, a sliding groove, and a locking slot; the sliding groove is recessed inward from a portion of the outer surface of the locking shaft along the radial direction of the locking shaft; the sliding groove penetrates the end face of the locking shaft away from the connecting module; the locking slot is recessed inward from a portion of the outer peripheral surface of the locking shaft along the radial direction of the locking shaft; the locking slot communicates with the sliding groove; the locking block is fixedly connected to the locking shaft; the locking block is located at the communication point between the locking slot and the sliding groove;

[0005] The second engaging unit includes a second engaging module, a receiving groove, and a slider; the receiving groove is recessed inward from one end face of the second engaging module along the axial direction of the second engaging module; one end of the slider is fixedly connected to a portion of the inner surface of the second engaging module, and the other end extends into the receiving groove along the radial direction of the receiving groove;

[0006] Wherein, the outer diameter of the retaining shaft is smaller than the diameter of the receiving groove; the depth of the receiving groove is greater than the length of the retaining shaft; the width of the sliding groove is greater than the diameter of the slider; the distance between the retaining block and the circumference of the retaining groove is less than the diameter of the slider; the diameter of the retaining groove is greater than the diameter of the slider; when the retaining shaft is inserted into the receiving groove, the slider can slide in the sliding groove; the slider can engage in the retaining groove.

[0007] In some embodiments, the circumferential distance between the card block and the card slot is H1; the diameter of the slider is H2; wherein, 0.92≤H1 / H2≤0.98.

[0008] In some embodiments, the diameter of the slot is H3, wherein 0.95 ≤ H2 / H3 ≤ 0.98.

[0009] In some embodiments, the card block is made of rubber.

[0010] In some embodiments, the slot is located at the side end of the slide along the axis of the card shaft.

[0011] In some embodiments, the necklace clasp further includes a locking module, which includes a base, a deformable element, and a top rod; the base is detachably and fixedly connected to one end of the deformable element; one end of the top rod is detachably and fixedly connected to the other end of the deformable element; a limiting groove is provided on the locking shaft; the limiting groove is recessed inward from a portion of the inner surface of the locking slot along the axial direction of the locking shaft; the length of the locking module is greater than the depth of the limiting groove; the end of the base away from the deformable element is fixedly connected to the bottom end of the limiting groove.

[0012] In some embodiments, the length of the engaging module is H4; the depth of the limiting groove is H5; wherein, 0.93≤H5 / H4≤0.98.

[0013] In some embodiments, the deformable element is a spring or rubber.

[0014] In some embodiments, the end of the push rod away from the deformable member has a rounded corner in the circumference; the rounded corner protrudes outward.

[0015] In some embodiments, the necklace clasp further includes a telescopic unit, the telescopic unit comprising two telescopic chains; one end of one telescopic chain is movably connected to the end of the connecting module away from the first engaging module; one end of the other telescopic chain is movably connected to the end of the second engaging module away from the receiving groove; the telescopic chain includes two first connecting plates, multiple second connecting plates, and multiple pins; adjacent ends of the multiple second connecting plates are movably connected by the pins to form a chain; one end of one first connecting plate is movably connected to one end of the chain by the pins; one end of the other first connecting plate is movably connected to the other end of the chain by the pins; the middle portions of the second connecting plates on the two telescopic chains are movably connected by the pins; the ends of the first connecting plates on the two telescopic chains away from the second connecting plates are respectively movably connected.

[0016] To address the cumbersome operation of existing necklace clasps when putting on or taking off a necklace, this invention offers the following advantages:

[0017] By setting up a first locking unit and a second locking unit, the slider in the second locking unit can slide in the groove of the first locking unit and engage in the slot of the first locking unit. When it is necessary to wear the necklace, simply hold the first locking unit and the second locking unit and slide the slider in the groove to the position of the slot. Then, let the slider engage in the slot, and the locking block will lock the slider in place, making it convenient to wear the necklace. When it is necessary to remove the necklace, hold the first locking unit and the second locking unit to separate the slider from the slot. By letting the slider slide in the groove, the first locking unit and the second locking unit can be separated quickly, and the necklace can be removed quickly. This solves the problem of cumbersome operation when wearing or opening the necklace with existing necklace clasps. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a necklace clasp;

[0019] Figure 2 for Figure 1 Partial diagram of the explosion;

[0020] Figure 3 This is a schematic diagram of the structure of the first engaging unit in some embodiments;

[0021] Figure 4 for Figure 3 An explosion diagram;

[0022] Figure 5 This is a schematic diagram of the telescopic unit.

[0023] Figure 6 for Figure 2 A magnified view of a portion of point A in the middle;

[0024] Figure 7 for Figure 3 A magnified view of a portion of point B in the middle;

[0025] Figure 8 for Figure 4 A magnified view of a portion of point C.

[0026] In the diagram: 01, First engaging unit; 11, Connecting module; 12, First engaging module; 121, Engaging shaft; 122, Engaging block; 123, Slide groove; 124, Engaging slot; 125, Limiting groove; 13, Clamping module; 131, Base; 132, Deformable component; 133, Top rod; 02, Second engaging unit; 21, Second engaging module; 22, Receiving groove; 23, Slider; 03, Telescopic unit; 31, First connecting plate; 32, Second connecting plate; 33, Pin. Detailed Implementation

[0027] The present disclosure will now be discussed with reference to several exemplary embodiments. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand and thus implement the present disclosure, and are not intended to imply any limitation on the scope of the disclosure.

[0028] As used herein, the term "comprising" and its variations are to be interpreted as open-ended terms meaning "including but not limited to". The term "based on" is to be interpreted as "at least partially based on". The terms "one embodiment" and "an embodiment" are to be interpreted as "at least one embodiment". The term "another embodiment" is to be interpreted as "at least one other embodiment". The terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "vertical", "horizontal", "lateral", "longitudinal", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments and are not intended to limit the indicated devices, elements, or components to having a specific orientation or being constructed and operated in a specific orientation. Furthermore, some of the above terms may be used to indicate other meanings besides orientations or positional relationships; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances. In addition, the terms "installed", "set up", "equipped with", "connected", and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, elements, or components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances. Furthermore, the terms "first," "second," etc., are mainly used to distinguish different devices, elements, or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.

[0029] This embodiment discloses a necklace clasp, such as Figure 1 , Figure 2 , Figure 6 As shown, it may include:

[0030] The first engaging unit 01 includes a connecting module 11 and a first engaging module 12. One end of the first engaging module 12 is fixedly connected to one end of the connecting module 11. The first engaging module 12 includes a locking shaft 121, a locking block 122, a sliding groove 123, and a locking slot 124. The sliding groove 123 is recessed from a portion of the outer surface of the locking shaft 121 along the radial direction of the locking shaft 121. The sliding groove 123 penetrates the end face of the locking shaft 121 away from the connecting module 11. The locking slot 124 is recessed from a portion of the outer peripheral surface of the locking shaft 121 along the radial direction of the locking shaft 121. The locking slot 124 communicates with the sliding groove 123. The locking block 122 is fixedly connected to the locking shaft 121. The locking block 122 is located at the communication point between the locking slot 124 and the sliding groove 123.

[0031] The second engaging unit 02 includes a second engaging module 21, a receiving groove 22, and a slider 23. The receiving groove 22 is recessed inward from one end face of the second engaging module 21 along the axial direction of the second engaging module 21. One end of the slider 23 is fixedly connected to a portion of the inner surface of the second engaging module 21, and the other end extends into the receiving groove 22 along the radial direction of the receiving groove 22.

[0032] Wherein, the outer diameter of the retaining shaft 121 is smaller than the diameter of the receiving groove 22; the depth of the receiving groove 22 is greater than the length of the retaining shaft 121; the width of the sliding groove 123 is greater than the diameter of the slider 23; the distance between the retaining block 122 and the circumference of the retaining groove 124 is less than the diameter of the slider 23; the diameter of the retaining groove 124 is greater than the diameter of the slider 23; when the retaining shaft 121 is inserted into the receiving groove 22, the slider 23 can slide in the sliding groove 123; the slider 23 can engage in the retaining groove 124.

[0033] In this embodiment, by setting a first engaging unit 01 and a second engaging unit 02, the slider 23 in the second engaging unit 02 can slide in the groove 123 in the first engaging unit 01 and engage in the slot 124 in the first engaging unit 01. When it is necessary to wear the necklace, simply hold the first engaging unit 01 and the second engaging unit 02 and slide the slider 23 in the groove 123 to the position of the slot 124. Then, let the slider 23 engage in the slot 124, and the locking block 122 can lock the slider 23, which can make it convenient to wear the necklace. When it is necessary to remove the necklace, by holding the first engaging unit 01 and the second engaging unit 02, the slider 23 is separated from the slot 124. By sliding the slider 23 in the groove 123, the first engaging unit 01 and the second engaging unit 02 can be separated quickly, so that the necklace can be removed quickly. This solves the problem of cumbersome operation when wearing or opening the necklace in the existing necklace buckle.

[0034] In this embodiment, as Figure 2 , Figure 6 As shown, the connecting module 11 and the first engaging module 12 can be integrally formed, and the shape of the slide groove 123 can be similar to a rectangular groove. The slot 124 can communicate with the side of the slide groove 123. In this embodiment, the slider 23 slides in the slide groove 123, and the slider 23 is cylindrical. When the slider 23 slides to a predetermined position, by turning the first engaging unit 01 or the second engaging unit 02, the slider 23 squeezes the slot 122. The slot 122 is compressed and undergoes elastic deformation, and then the slider 23 can enter the interior of the slot 124. The slot 122 can then restrict the slider 23 within the slot 124. In this embodiment, the material of the slot 122 can be selected to have a certain deformation capability. Without affecting the slider 23's entry into the slot 124, the distance between the slot 122 and the periphery of the slot 124 can be appropriately reduced, thereby enabling the slot 122 to stably restrict the slider 23 within the slot 124. In this embodiment, the slot 124 is preferably circular in shape.

[0035] In some embodiments, the circumferential distance between the card block 122 and the card slot 124 is H1; the diameter of the slider 23 is H2; wherein, 0.92≤H1 / H2≤0.98.

[0036] In this embodiment, the slider 23 is nearly cylindrical, and the slot 124 is nearly cylindrical. The circumferential distance between the block 122 and the slot 124 is H1. The diameter of the slider 23 is H2. Wherein, 0.95≤H1 / H2≤0.98, so that H2 is slightly larger than H1, thereby allowing the block 122 to undergo a reasonable deformation when the slider 23 presses against it. This deformation is sufficient to ensure that the block 122 can recover when not pressed by the slider 23, and to ensure that the block 122 can restrict the slider 23 to be located within the slot 124. In this embodiment, 0.95≤H1 / H2≤0.98. However, in some other embodiments, H1 / H2 can be other values. As long as the block 122 can deform when it is squeezed, allowing the slider 23 to enter the slot 124, and the block 122 can restrict the slider 23 within the slot 124 after it recovers, the value of H1 / H2 in this embodiment can be used.

[0037] In some embodiments, the diameter of the slot 124 is H3, wherein 0.95≤H2 / H3≤0.98.

[0038] In this embodiment, the diameter of the slot 124 is slightly larger than the diameter of the slider 23, so that the slider 23 can be stably engaged with the slot 124 while the slider 23 also has a certain degree of mobility, thereby facilitating the disengagement of the slider 23 from the slot 124.

[0039] In some embodiments, the card block 122 is made of rubber.

[0040] In this embodiment, preferably, the locking block 122 is made of rubber, which gives it a certain elastic deformation capability. This allows the locking block 122 to quickly recover its shape after the slider 23 is squeezed and subsequently disengaged from the locking block 122, thus confining the slider 23 within the locking groove 124. In this embodiment, the locking block 122 is made of rubber, preferably a type of rubber known to those skilled in the art that has strong corrosion and oxidation resistance.

[0041] In some embodiments, such as Figure 2 , Figure 3 As shown; the slot 124 is located at the side end of the slide groove 123 along the axis of the slot shaft 121.

[0042] In this embodiment, preferably, by setting the slot 124 on the side end of the slide groove 123, when it is necessary to engage the slider 23 in the slot 124, simply turning the first engaging unit 01 or the second engaging unit 02 will quickly engage the slider 23 in the slot 124. However, in some other embodiments, the slot 124 may also be set at one end of the slide groove 123 near the connecting module 11. The engagement of the slider 23 with the slot 124 can be achieved by pressing the first engaging unit 01 along the axial direction or pressing the second engaging unit 02 along the axial direction. Furthermore, those skilled in the art will know that by applying a pulling force along the axial direction of the first engaging unit 01 or the second engaging unit 02, the slider 23 can be separated from the slide groove 123.

[0043] In some embodiments, such as Figure 3 , Figure 4 , Figure 7 , Figure 8As shown, the necklace clasp also includes a locking module 13, which includes a base 131, a deformable element 132, and a push rod 133. The base 131 is detachably and fixedly connected to one end of the deformable element 132. One end of the push rod 133 is detachably and fixedly connected to the other end of the deformable element 132. A limiting groove 125 is provided on the locking shaft 121. The limiting groove 125 is recessed inward from a portion of the inner surface of the locking groove 124 along the axial direction of the locking shaft 121. The length of the locking module is greater than the depth of the limiting groove 125. The end of the base 131 away from the deformable element 132 is fixedly connected to the bottom end of the limiting groove 125.

[0044] In this embodiment, by providing a clamping module 13, the clamping module 13 can apply a certain elastic force along the axis of the clamping shaft 121. When the slider 23 engages with the slot 124, the deformation element 132 in the clamping module 13 can apply elastic force to the push rod 133, thereby enabling the push rod 133 to press against part of the outer surface of the slider 23 and position the slider 23. By providing the clamping module 13, it is possible to further prevent the slider 23 from falling out of the slot 124 during the wearing of the necklace, making the connection between the slider 23 and the slot 124 more secure.

[0045] In some embodiments, the length of the engaging module is H4; the depth of the limiting groove 125 is H5; wherein, 0.93≤H5 / H4≤0.98.

[0046] In this embodiment, by setting 0.93≤H5 / H4≤0.98, when the deformable element 132 is not compressed, the push rod 133 can slightly extend out of the limiting groove 125. When the slider 23 engages with the slot 124, the slider 23 can apply a certain pressure to the push rod 133, thereby causing the deformable element 132 to undergo elastic deformation. Under the action of the elastic force applied by the deformable element 132, the push rod 133 can hold the slider 23, making the slider 23 engage with the slot 124 relatively stably. In some cases, the distance by which the push rod 133 extends out of the limiting groove 125 can be set according to the elastic deformation capability of the deformable element 132. As long as it facilitates the slider 23 to enter the slot 124 and allows the push rod 133 to apply a certain pressure to the slider 23, ensuring the stability of the engagement between the slider 23 and the slot 124, the distance by which the push rod 133 extends out of the limiting groove 125 is acceptable.

[0047] In some embodiments, the deformable element 132 is a spring or rubber.

[0048] In some embodiments, such as Figure 8 As shown, the end of the top rod 133 away from the deformable member 132 has a rounded corner in the circumference; the rounded corner protrudes outward.

[0049] In this embodiment, by making the end of the push rod 133 away from the deformable member 132 circumferentially rounded, it is possible for the push rod 133 to be compressed along the axial direction of the retaining shaft 121 when the slider 23 presses the push rod 133, thereby reducing the resistance encountered by the slider 23 along the radial direction of the retaining shaft 121, and thus facilitating the slider 23 to enter the retaining groove 124.

[0050] In some embodiments, such as Figure 1 , Figure 2 , Figure 5 As shown, the necklace clasp also includes a telescopic unit 03, which includes two telescopic chains; one end of one telescopic chain is movably connected to the end of the connecting module 11 away from the first engaging module 12; the other end of the telescopic chain is movably connected to the end of the second engaging module 21 away from the receiving groove 22; the telescopic chain includes two first connecting plates 31, multiple second connecting plates 32, and multiple pins 33; adjacent ends of the multiple second connecting plates 32 are movably connected through the pins 33 to form a chain; one end of one first connecting plate 31 is movably connected to one end of the chain through the pins 33; one end of another first connecting plate 31 is movably connected to the other end of the chain through the pins 33; the middle parts of the second connecting plates 32 on the two telescopic chains are movably connected through the pins 33; the ends of the first connecting plates 31 on the two telescopic chains away from the second connecting plates 32 are respectively movably connected.

[0051] In this embodiment, by providing a telescopic unit 03, which can retract along its length, the ends of the two telescopic chains away from the connecting module 11 and the second engaging module 21 can be connected to the necklace's accessories (not shown in the figure). Because the telescopic unit 03 can retract along its length, the entire necklace can expand or contract to a certain extent along its diameter. When the wearer has a large neck, the expansion of the telescopic unit 03 can enlarge the internal area enclosed by the necklace, thus making it easier for the wearer to wear. In this embodiment, the telescopic chains can be movably connected to the connecting module 11 and the second engaging module 21 using a hinge or other conventional connection methods known to those skilled in the art.

[0052] The working principle of this utility model is as follows:

[0053] When wearing the necklace, the necklace is fastened around the wearer's neck. The first locking unit 01 and the second locking unit 02 are held, and the slider 23 is slid in the slide groove 123 to the position of the locking slot 124. Then, the first locking unit 01 or the second locking unit 02 is turned so that the slider 23 is locked into the locking slot 124. The locking block 122 can then lock the slider 23 in place, making it easy to wear the necklace. When removing the necklace, the first locking unit 01 and the second locking unit 02 are held, and the first locking unit 01 or the second locking unit 02 is turned so that the slider 23 is separated from the locking slot 124. The slider 23 enters the slide groove 123, and the first locking unit 01 and the second locking unit 02 can be quickly separated, allowing the necklace to be removed from the wearer's neck.

[0054] Those skilled in the art will understand that the above embodiments are specific examples of implementing this disclosure, and in practical applications, various changes can be made in form and detail without departing from the spirit and scope of this disclosure.

Claims

1. A necklace clasp, characterized in that, The necklace buckle comprises: A first clamping unit comprising a connecting module and a first clamping module; one end of the first clamping module is fixedly connected with one end of the connecting module; the first clamping module comprises a clamping shaft, a clamping block, a sliding groove, and a clamping groove; the sliding groove is recessed from part of the outer surface of the clamping shaft along the radial direction of the clamping shaft; the sliding groove penetrates the end face of the clamping shaft away from the connecting module; the clamping groove is recessed from part of the outer circumferential surface of the clamping shaft along the radial direction of the clamping shaft; the clamping groove is in communication with the sliding groove; the clamping block is fixedly connected with the clamping shaft; the clamping block is located at the communication position of the clamping groove and the sliding groove; A second clamping unit comprising a second clamping module, a receiving groove, and a sliding block; the receiving groove is recessed from one end face of the second clamping module along the axial direction of the second clamping module; one end of the sliding block is fixedly connected with part of the inner surface of the second clamping module, and the other end extends into the receiving groove along the radial direction of the receiving groove; Wherein, the outer diameter of the clamping shaft is smaller than the diameter of the receiving groove; the depth of the receiving groove is greater than the length of the clamping shaft; the width of the sliding groove is greater than the diameter of the sliding block; the distance between the clamping block and the circumferential surface of the clamping groove is smaller than the diameter of the sliding block; the diameter of the clamping groove is greater than the diameter of the sliding block; when the clamping shaft penetrates into the receiving groove, the sliding block can slide in the sliding groove; the sliding block can be clamped in the clamping groove.

2. The necklace clasp of claim 1, wherein The distance between the clamping block and the circumferential surface of the clamping groove is H1; the diameter of the sliding block is H2; wherein, 0.92≤H1 / H2≤0.

98.

3. A necklace clasp according to claim 2, wherein The diameter of the clamping groove is H3, wherein, 0.95≤H2 / H3≤0.

98.

4. The necklace clasp of claim 1, wherein, The material of the clamping block is rubber.

5. The necklace clasp of claim 1, wherein, The clamping groove is located at the side end of the sliding groove along the axial direction of the clamping shaft.

6. The necklace clasp of claim 1, wherein, The necklace buckle further comprises a clamping module, the clamping module comprising a base, a deformation piece, and a top rod; one end of the base is detachably fixedly connected with one end of the deformation piece; one end of the top rod is detachably fixedly connected with the other end of the deformation piece; a limiting groove is arranged on the clamping shaft; the limiting groove is recessed from part of the inner surface of the clamping groove along the axial direction of the clamping shaft; the length of the clamping module is greater than the depth of the limiting groove; one end of the base away from the deformation piece is fixedly connected with the bottom end of the limiting groove.

7. A necklace clasp according to claim 6, wherein The length of the clamping module is H4; the depth of the limiting groove is H5; wherein, 0.93≤H5 / H4≤0.

98.

8. The necklace clasp of claim 6, wherein, The necklace buckle further comprises: the deformation piece is a spring or rubber.

9. The necklace clasp of claim 6, wherein, One end of the top rod away from the deformation piece is circularly rounded in the circumferential direction; the circular angle protrudes outward.

10. The necklace clasp of claim 1, wherein, The necklace buckle further comprises a telescopic unit, the telescopic unit comprises two telescopic chains; one end of one of the telescopic chains is movably connected to one end of the connecting module away from the first clamping module; one end of the other telescopic chain is movably connected to one end of the second clamping module away from the accommodating groove; the telescopic chain comprises two first connecting plates, a plurality of second connecting plates and a plurality of pin shafts; adjacent ends of the plurality of second connecting plates are movably connected by the pin shafts to form a chain; one end of one of the first connecting plates is movably connected to one end of the chain by the pin shaft; one end of the other first connecting plate is movably connected to the other end of the chain by the pin shaft; the middle portions of the second connecting plates on the two telescopic chains are movably connected by the pin shafts; and the ends of the first connecting plates on the two telescopic chains away from the second connecting plates are movably connected respectively.

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