Fastener for bedding fastener
By designing the buckle body and the snap-fit seat to match, the problem of holes formed on the duvet cover due to the piercing of the locking pins is solved, realizing the fixed connection between the duvet cover and the duvet core, improving the service life of the duvet cover and simplifying the assembly process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU NAIJING INTELLIGENT TECH CO LTD
- Filing Date
- 2025-06-03
- Publication Date
- 2026-06-09
AI Technical Summary
Existing comforter fasteners create holes in the comforter cover, affecting its lifespan.
Design a buckle body comprising a base plate, a sleeve, and a limiting plate. Through the cooperation of the receiving cavity and the snap-fit seat, the duvet cover and duvet core are fixedly connected, avoiding puncture and forming holes. The buckle and snap-fit seat enable labor-saving assembly.
It effectively prevents holes from forming in the duvet cover, extends the lifespan of the duvet cover, and makes the assembly process easier.
Smart Images

Figure CN224330739U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of quilt fasteners, specifically relating to a buckle for a quilt fastening device. Background Technology
[0002] Existing pin-type quilt fasteners, such as CN 218338128 U, entitled "A Novel Quilt Fastener," include a shell composed of a face shell and a bottom shell, a locking cylinder, and locking pins. The shell has a locking pin through-hole for the locking pin to pass through, and the shell contains a locking cylinder for locking the locking pin. The outer surface of the face shell is covered with a flexible material, and the locking pin through-hole is located on the bottom shell. The face shell has a snap-fit groove, and the bottom shell has a snap-fit protrusion. The face shell and the bottom shell are joined together by the snap-fit groove and snap-fit protrusion to form the shell; or the face shell has a snap-fit protrusion, and the bottom shell has a snap-fit groove. The face shell and the bottom shell are joined together by the snap-fit groove and snap-fit protrusion to form the shell. After the outer surface of the face shell is covered by the flexible material, the excess portion of the flexible material is folded into the cavity of the face shell, and the excess portion passes through the snap-fit groove or snap-fit protrusion on the face shell. The flexible material is fixedly covered by the outer surface of the face shell by the snap-fit between the face shell and the bottom shell. The latching grooves or protrusions on the housing are located on the inner wall surface of the housing. The latching groove is an annular groove, and the latching protrusion is an annular protrusion that matches the annular groove. The flexible material is fabric, plastic film, or leather. An unlocking rod is provided inside the housing, with a button on the upper end and an actuating block on the lower end. The bottom housing has a button through-hole. When the button is pressed, the actuating block on the unlocking rod can push the lock cylinder pin in the lock cylinder to compress the spring in the lock cylinder. The lock cylinder can be unlocked using a strong magnetic unlocker. Existing pin-type comforter fasteners work by piercing the comforter from one side to the other using a locking pin (the comforter consists of a duvet cover and a duvet insert, with the insert inside the cover; the pin pierces through one side of the duvet cover fabric, the duvet insert, and the other side of the duvet cover fabric). The pin then passes through a locking hole in the housing and is locked by a locking mechanism located inside the housing. At this point, the pin head is on one side of the comforter and the housing is on the other side. Because the locking pin creates holes in the duvet cover while securing the comforter (to prevent the duvet insert from shifting during use), the comforter fastener needs to be removed before regular washing. Before use, the quilt cover needs to be installed. If the original holes are not aligned during installation, multiple holes can easily be left on the quilt cover. The formation of holes not only affects the strength of the local area of the quilt cover (where the holes are located), making that part of the quilt cover more prone to damage, but also affects the service life of the quilt cover. In order to avoid the problem of holes being formed on the quilt cover due to the piercing of the locking nail, the applicant invented a quilt fixing device (patented on the same day). One of the buckles used in the quilt fixing device is an important component of the quilt fixing device. When it is used in conjunction with the locking seat in the quilt fixing device, it can realize the fixed connection between the quilt cover and the quilt core, and no piercing holes will be formed on the quilt cover. Utility Model Content
[0003] Design objective: To design a buckle for securing a quilt that not only avoids creating holes in the quilt cover due to pin punctures, but also allows for effortless assembly via the buckle and snap-fit connector.
[0004] Design scheme: To achieve the above design objectives.
[0005] 1. The lower end face of the base plate portion of the buckle body is provided with a sleeve portion, and the inner wall surface of the sleeve portion is provided with at least two limiting plates. A through hole is provided between adjacent limiting plates, and a receiving cavity is formed between the base plate portion, the sleeve portion, and the at least two limiting plates. This is one of the technical features of this utility model. The purpose of this design is as follows: In use, the pin-type fastener is first fixedly connected to the comforter core. The pin-type fastener has a locking seat on its locking body, and the pin of the pin-type fastener has a locking seat on its pin body. Then, the comforter core with the pin-type fastener fixed is placed inside the comforter cover. Next, the buckle head, which covers part of the comforter cover fabric, is inserted into the receiving cavity through the corresponding through hole at the protrusion. After rotating the buckle, the protrusion is aligned with the corresponding limiting plate. At this time, the locking seat and the buckle engage, and the buckle and locking seat clamp the comforter cover, thus fixing one side of the comforter cover fabric to the comforter core. Then, the other buckle head, which covers part of the comforter cover fabric, is inserted into the receiving cavity through the corresponding through hole at the protrusion. After rotating the buckle, the protrusion is aligned with the corresponding limiting plate. With the limiting plate facing each other, the snap-fit seat and the buckle engage, simultaneously clamping the duvet cover. This securely connects the duvet cover fabric to the duvet insert on the other side. The pin-type retainer with a snap-fit seat on the lock body and the pin body, along with two buckles, securely connects the duvet cover to the duvet insert. Because the snaps and snap-fit seats do not create holes in the duvet cover during this connection, the fabric at the fixing point is less prone to damage during use, thus extending the duvet cover's lifespan. Furthermore, the snap-fit connector, which partially covers the duvet cover fabric, allows the protrusion to pass through the corresponding through hole into the receiving cavity. Rotating the buckle aligns the protrusion with the corresponding limiting plate, enabling effortless assembly of the snaps and snap-fit seats.
[0006] 2. The design of having a limiting block at one end of the limiting plate, with the limiting block located within the inner hole of the sleeve body, is the second technical feature of this utility model. The purpose of this design is that, after the protrusion enters the receiving cavity through the corresponding through hole, the buckle needs to be rotated to align the protrusion with the corresponding limiting plate, thus achieving the snap-fit engagement between the snap-fit seat and the snap-fit. The setting of the limiting block, when the protrusion contacts the corresponding limiting block, signifies that the first snap-fit seat and the first snap-fit are properly engaged.
[0007] Technical solution: A buckle for a quilt fixing device includes a buckle body, wherein a sleeve part is provided on the lower end face of the base plate part of the buckle body and at least two limiting plates are provided on the inner wall surface of the sleeve part, and a through hole is provided between adjacent limiting plates, and a receiving cavity is formed between the base plate part, the sleeve part and the at least two limiting plates.
[0008] Compared with the prior art, the buckle for the quilt fixing device can not only avoid the formation of holes in the quilt cover due to the puncture of the locking nail, but also enable labor-saving assembly of the buckle and the snap-fit seat. Attached Figure Description
[0009] Figure 1 This is a schematic diagram of the structure of the clip used for securing a quilt.
[0010] Figure 2 This is a schematic diagram of a quilt fixing device.
[0011] Figure 3 This is a three-dimensional structural diagram of a needle-type fixator.
[0012] Figure 4 This is a schematic diagram of the main structure of the pin fixation device. Detailed Implementation
[0013] Example 1: Refer to Appendix Figures 1-4 A buckle for securing a quilt includes a buckle body 1. The lower end face of the base plate portion 11 in the buckle body 1 is provided with a sleeve portion 12 and at least two limiting plates 13 are provided on the inner wall surface of the sleeve portion 12. A through hole 14 is provided between adjacent limiting plates 13. A receiving cavity 2 is formed between the base plate portion 11, the sleeve portion 12 and the at least two limiting plates 13.
[0014] One end of the limiting plate 13 is provided with a limiting block 15, and the limiting block 15 is located in the inner hole of the sleeve portion 12. The diameter of the inner hole formed by the at least two limiting plates 13 is smaller than the diameter of the inner hole of the sleeve portion 12. The base plate portion 11, the sleeve portion 12 and the at least two limiting plates 13 are integrally injection molded.
[0015] The receiving cavity 2 is used to accommodate the protrusions 42 on the outer circular surface of the snap-fit connector 41, which match the number of through holes 14, and the duvet cover wrapped around the snap-fit connector 41; the through holes 14 are used for the corresponding protrusions 42 to pass through. The snap-fit seat 4 is disposed on the lock body 51 of the pin-type retainer 5, or the snap-fit seat 4 is disposed on the pin body 52 of the pin-type retainer 5; the diameter of the snap-fit connector 41 is smaller than the inner hole diameter formed by at least two limiting plates 43, and the diameter of the outer circle formed by the protrusions 42, which match the number of through holes 14, is larger than the inner hole diameter formed by at least two limiting plates 13, and the diameter of the outer circle formed by the protrusions 42, which match the number of through holes 14, is smaller than the inner hole diameter of the sleeve body 12. The pin-type retainer 5 is used to fix the duvet insert, and when the pin-type retainer 5 is fixedly connected to the duvet insert, the pin cap of the pin body 52 and the lock body 51 are respectively located on both sides of the duvet insert.
[0016] In use, first, secure the pin-type fastener to the comforter insert. The pin-type fastener has a locking seat on its locking body, and the pin body of the fastener also has a locking seat. Then, place the comforter insert with the pin-type fastener attached into the comforter cover. Next, insert the locking connector (partially covered by the comforter cover fabric) through the corresponding through hole into the receiving cavity. Rotate the buckle so that the protrusion aligns with the corresponding limiting plate. At this point, the locking seat and buckle engage, simultaneously clamping the comforter cover. This secures one side of the comforter cover fabric to the comforter insert. Then, insert the other locking connector (partially covered by the comforter cover fabric) through the corresponding through hole into the receiving cavity. Rotate the buckle so that the protrusion aligns with the corresponding limiting plate. At this point, the locking seat and buckle engage, simultaneously clamping the comforter cover. This secures one side of the comforter cover fabric to the comforter insert. On the other side of the cover, the cover fabric is fixedly connected to the comforter insert. A pin-type fastener with a locking seat and two buckles are respectively installed on the lock body and the pin body to securely connect the cover and the comforter insert (generally, four such fasteners are used to prevent the cover and comforter insert from shifting; these four fasteners are installed at the four corners of the comforter). Because the fastener of this application does not create holes in the cover when securing it to prevent shifting, the fabric at the fastening point is less prone to damage during use, thus extending the lifespan of the cover. Furthermore, when the comforter needs washing, simply detach the first and second buckles from the pin-type fasteners; the cover and comforter insert can then be separated, making it convenient to use.
[0017] It should be understood that although the above embodiments provide a relatively detailed textual description of the design concept of this utility model, these textual descriptions are merely simple textual descriptions of the design concept of this utility model, and not limitations on the design concept of this utility model. Any combination, addition, or modification that does not exceed the design concept of this utility model shall fall within the protection scope of this utility model.
Claims
1. A buckle for securing a quilt, comprising a buckle body (1), characterized in that: The lower end face of the base plate part (11) of the buckle body (1) is provided with a sleeve part (12) and at least two limiting plates (13) are provided on the inner wall surface of the sleeve part (12). A through hole (14) is provided between adjacent limiting plates (13). A receiving cavity (2) is formed between the base plate part (11), the sleeve part (12) and the at least two limiting plates (13).
2. The buckle for securing a quilt according to claim 1, characterized in that: One end of the limiting plate (13) is provided with a limiting block (15), and the limiting block (15) is located in the inner hole of the sleeve part (12).
3. The snap fastener for securing a quilt according to claim 1, characterized in that: The inner diameter of the at least two limiting plates (13) is smaller than the inner diameter of the sleeve part (12).
4. The snap fastener for securing a quilt according to claim 1, characterized in that: The substrate portion (11), the sleeve portion (12), and at least two limiting plates (13) are integrally injection molded.
5. The snap fastener for a quilt fixing device according to claim 1, 2, 3, or 4, characterized in that: The receiving cavity (2) is used to receive the protrusions (42) on the outer circular surface of the snap connector (41) that match the number of through holes (14) and the cover on the snap connector (41); the through holes (14) are used to pass through the corresponding protrusions (42).
6. The snap fastener for a quilt fixing device according to claim 5, characterized in that: The snap-fit seat (4) is set on the lock body (51) of the pin retainer (5), or the snap-fit seat (4) is set on the pin body (52) of the pin retainer (5); the diameter of the snap-fit head (41) is smaller than the inner hole diameter formed by at least two limiting plates (43), the outer circle formed by the number of protrusions (42) matching the through hole (14) is larger than the inner hole diameter formed by at least two limiting plates (13), and the outer circle formed by the number of protrusions (42) matching the through hole (14) is smaller than the inner hole diameter of the sleeve part (12).
7. The snap fastener for a quilt fixing device according to claim 6, characterized in that: The needle fastener (5) is used to fix the quilt core. When the needle fastener (5) is fixedly connected to the quilt core, the needle cap and the locking body (51) of the needle body (52) are located on both sides of the quilt core.