CN113969928B - Fastener blank and pre-assembly structure and assembly structure thereof - Google Patents
Fastener blank and pre-assembly structure and assembly structure thereof Download PDFInfo
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- CN113969928B CN113969928B CN202111119892.3A CN202111119892A CN113969928B CN 113969928 B CN113969928 B CN 113969928B CN 202111119892 A CN202111119892 A CN 202111119892A CN 113969928 B CN113969928 B CN 113969928B
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- elastic
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- fixed disc
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- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 3
- 238000004512 die casting Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 239000002184 metal Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000001161 mammalian embryo Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/06—Releasable fastening devices with snap-action
- F16B21/08—Releasable fastening devices with snap-action in which the stud, pin, or spigot has a resilient part
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
A fastener blank, a pre-assembly structure and an assembly structure thereof, wherein the fastener blank comprises a clamping piece and an inserting piece. The clamping piece comprises a fixed disc and a fastening part. The fixed plate is provided with an opening. The insert includes a sealing disc, a plunger, and a hanger. One end of the inserted link is provided with an elastic finger and the elastic finger is connected with the opening, so that the fastener blank is integrally formed, two dies are not required to be respectively subjected to die casting, and the cost is reduced. The flanges are arranged between the two elastic parts of the fastener pre-assembly structure in a protruding mode, the elastic parts are prevented from sliding out in the inserting process of the insert, the sliding direction of the insert is limited, and the guide function is achieved, so that the assembly is facilitated. The steps of the fastener assembly structure enable the outer side wall of the elastic part to be concave and convex, and the elastic part is arranged in a hollow mode, so that the elastic part can be better clamped with the hole wall, holes with different sizes are adapted, and applicability is improved.
Description
Technical Field
The invention relates to the technical field of fixing parts, in particular to a fastener blank, a pre-assembly structure and an assembly structure thereof.
Background
In some industries, such as the automotive industry, it is desirable to tightly connect the carrier and the attachment member by a fastener, such as the connection between the automotive door panel and the sheet metal part. The fastener in the prior art is mainly split and provided with two parts, when in use, one part is inserted into a hole of a carrier, and the other part is inserted into a part positioned in the carrier after penetrating through an attachment element, so that the part positioned in the carrier is propped open and clamped with a hole wall, thereby connecting the carrier and the attachment element. However, this results in the need for two molds to separately cast the two parts during the production of the fastener, which is costly and inconvenient to store. In addition, the outer side wall of the fastener in the prior art is generally flat, so that the fastening effect with the hole wall is poor, and a large force is required for disassembly.
The fastener in the prior art is such as a stop rivet and an antenna disclosed in patent number CN202010475583.9, and the stop rivet is inserted into a pin hole, the pin interacts with a stop part on the inner wall of the pin hole to force a tensioning part to be outwards and elastically folded, the tensioning part outwards expands to form a clamping effect on a plate, and the interaction force of the tensioning part and the plate and the elastic restoring force of the tensioning part enable the stop part and the locking part to be kept in a clamping state, so that the pin is limited to be separated from a pin sleeve and the plate is fixed. However, the outer side wall of the tensioning part is flat, the clamping effect is formed by only depending on the tensioning part to be outwards tensioned, the plate is difficult to fix, and the fastening effect is poor. The clip is also advantageously made of metal, which can be made of sheet metal by bending and cutting, while the pin is advantageously made of plastic and is made for example by injection or by additive manufacturing, which results in the need for two moulds to be manufactured separately, which is costly to produce.
Disclosure of Invention
In view of the above, the present invention provides a fastener blank, a pre-assembly structure and an assembly structure thereof, so as to solve the above-mentioned technical problems.
The utility model provides a fastener embryo material includes a joint spare, and one sets up the inserts on the joint spare, the joint spare includes a fixed disk, and one sets up the fastening portion on the fixed disk, the fastening portion include two with the elastic component that the fixed disk is connected, two elastic component one end with the fixed disk is connected, the other end interconnect, every elastic component includes that one sets up the inboard flange of elastic component, two the direction of stretching out of flange orientation the center pin of joint spare and the direction of extension are on a parallel with the center pin of joint spare, an trompil has been seted up at the center of fixed disk, the trompil with the fastening portion intercommunication, the inserts includes a sealing disk, two settings are in the inserted bar on the sealing disk, and two respectively set up in the couple of inserted bar both sides, two inserted bar one end with the sealing disk is connected, the other end is equipped with elasticity and the elasticity inner wall with the couple is in the direction of extension is parallel with the center pin of joint spare, the trompil is seted up at the center pin of fixed disk, two sets up one side of the same time, two sets up the elastic component is kept away from to the elastic component, and two the fixed material is kept away from each other to the fixed with one end of finger.
Further, the hooks are arranged at intervals with one ends of the elastic fingers, which are connected with the openings.
Further, the aperture is shaped to match the insert.
The utility model provides a fastener preassembly structure includes a joint spare, and a setting is in the plug-in components on the joint spare, the joint spare includes a fixed disk, and a setting is in the fastening portion on the fixed disk, an trompil has been seted up at the center of fixed disk, the trompil with the fastening portion intercommunication, the fastening portion include two with the elastic component that the fixed disk is connected, two elastic component one end with the fixed disk is connected, the other end interconnect, each elastic component includes a setting and is in the inboard flange of elastic component, and a setting is in the inboard couple groove of elastic component, two the direction of stretching out of flange orientation the center pin of joint spare and the extension direction are on a parallel with the center pin of joint spare, the couple groove is located the elastic component is close to one end of fixed disk, the plug-in components includes a sealing disk, two sets up the inserted bar on the sealing disk to and two sets up respectively in two the couple of inserted bar both sides, two inserted bars are connected with each other, the other is equipped with one end is kept away from to the other in the fixed disk, and is equipped with one end is kept away from to the fixed mutually one end of finger, and the fixed in the fixed disk is equipped with one end.
Further, the elastic parts are arched, the opening directions of the two elastic parts are opposite, and the two elastic parts are mutually spaced.
The fastener assembling structure comprises a clamping piece and an inserting piece arranged on the clamping piece, wherein the clamping piece comprises a fixed disc and a fastening part arranged on the fixed disc, an opening is formed in the center of the fixed disc and communicated with the fastening part, the fastening part comprises two elastic parts connected with the fixed disc, one ends of the two elastic parts are connected with the fixed disc, the other ends of the two elastic parts are connected with each other, each elastic part comprises a flange arranged on the inner side of the elastic part, the extending directions of the two flanges face the central shaft of the clamping piece and are parallel to the central shaft of the clamping piece, each elastic part comprises a plurality of steps arranged on the outer side of the elastic part, the steps are arranged along the outer side wall of the elastic part, the step and the elastic part are arranged in a hollow way, the two elastic parts further comprise a clamping part extending from the elastic parts, the clamping part is positioned at one end of the flange far away from the fixed disc, the insert comprises a sealing disc, two inserted bars arranged on the sealing disc, and two hooks respectively arranged at two sides of the inserted bars, the two inserted bars of the insert are arranged in a staggered way, one end of each inserted bar is connected with the sealing disc, the other end of each inserted bar is provided with an elastic finger, one inserted bar is provided with one elastic finger, the other inserted bar is provided with two elastic fingers which are arranged at intervals, one ends of the two flanges far away from the fixed disc are mutually flush, one ends of the two flanges near the fixed disc are respectively extended to the fixed disc and are arranged at intervals with the fixed disc, the hook is arranged on the elastic finger and is of a fastener assembly structure when being clamped with the clamping part.
Further, the extending direction of the clamping portion is far away from the fixed disc and parallel to the central axis of the fastening portion.
Further, the step is located at one end of the elastic portion, which is close to the fixed disc.
Compared with the prior art, the elastic finger is connected with the inner wall of the opening through the connection of the fastener blank, so that the clamping piece and the inserting piece are integrally formed, two dies are not needed to be respectively subjected to die casting, the cost is reduced, the transportation is easier, and the storage is also convenient. Meanwhile, the connecting area is greatly reduced, the clamping piece and the inserting piece can be separated easily, no tool is needed, and the operation is convenient. The hook is at a certain distance from the joint of the elastic finger and the opening. When the joint of the clamping piece and the insert piece is broken, the hook is not damaged, and the clamping is prevented from being influenced by the damage of the hook. The flanges are arranged between the two elastic parts in a protruding mode, the elastic parts can be prevented from sliding out in the inserting process of the insert, the sliding direction of the insert is limited, and the insert slides along the extending direction of the flanges to play a guiding role so as to facilitate assembly. One of the pins is provided with only one of the resilient fingers to facilitate removal of the insert when removal of the fastener preassembly is desired. The steps enable the outer side wall of the elastic part to be concave-convex and uneven, and the elastic part is arranged in a hollow mode, so that the elastic part can be better clamped with the hole wall, and the fastening strength is improved. And when the elastic part is deformed by contact with the hole wall, the step can be slightly deformed, so that the fastening part can adapt to holes with different sizes, and the applicability is improved.
Drawings
Fig. 1 is a schematic structural view of a fastener blank according to the present invention.
FIG. 2 is a schematic view of another angle of one of the fastener blanks of FIG. 1.
Fig. 3 is a schematic structural view of a fastener preassembly structure according to the present invention.
FIG. 4 is a schematic view of another angle of the fastener preassembly of FIG. 3.
FIG. 5 is a schematic view of a fastener assembly structure according to the present invention
Detailed Description
Specific embodiments of the present invention are described in further detail below. It should be understood that the description herein of the embodiments of the invention is not intended to limit the scope of the invention.
Fig. 1 to 2 are schematic structural views of a fastener blank according to the present invention. The fastener stock includes a clip 10 and an insert 20 disposed on the clip 10. The fastener stock may be made of plastic and has a degree of elasticity.
The clamping member 10 includes a fixing plate 11, and a fastening portion 12 provided on the fixing plate 11. An opening 111 is formed in the center of the fixing plate 11, the opening 111 is communicated with the fastening portion 12, the shape of the opening 11 is matched with that of the insert 20, and the insert 20 is inserted into the fastening portion 12 through the opening 111. The fastening portion 12 will be described below in conjunction with the fastener preassembly and the fastener assembly.
The insert 20 comprises a sealing disc 21, two insert rods 22 arranged on the sealing disc 21, and two hooks 23 respectively arranged on two sides of the insert rods 22. The inserted link 22 one end with sealing disc 21 is connected, and the other end is equipped with elasticity finger 24 and elasticity finger 24 with the inner wall connection of trompil 111 makes joint 10 with insert 20 integrated into one piece, promptly the fastener stock is whole die casting, thereby does not need two moulds to carry out die casting respectively, reduces the cost and more easily transports, also is convenient for deposit. When in use, the joint of the clamping piece 10 and the insert piece 20 is manually broken, so that the clamping piece 10 and the insert piece 20 can be separated. Meanwhile, compared with the connection of the whole inserted rod 22 and the fixed disc 11, the connection area of the insert 20 and the clamping piece 10 is greatly reduced, the clamping piece 10 and the insert 20 can be easily separated, no tool is needed, and the operation is convenient. The hooks 23 are arranged on the elastic fingers 24 and are spaced from one end connected with the elastic fingers 24 and the openings 111, so that the hooks 23 are spaced from the connection points of the elastic fingers 24 and the openings 111. When the joint of the clamping piece 10 and the insert piece 20 is broken, the hook 23 is not damaged, so that the structural strength of the hook 23 is ensured, and the hook 23 is prevented from being damaged to influence the clamping.
Fig. 3 to 4 are schematic structural views of a fastener preassembly structure according to the present invention. The fastener preassembly is formed by partially inserting the insert 20 into the clip 10 after the clip 10 and the insert 20 are separated. The fastener preassembly therefore also comprises a fastening element 10 and an insert 20 arranged on the fastening element 10, which are identical and are not described in detail here. It is conceivable that the insert 20 should be inserted into the clamping member 10 after passing through the sheet metal member so that the sheet metal member is located between the fixing plate 11 and the sealing plate 21.
The fastening portion 12 includes two elastic portions 121 connected to the fixing plate 11. The elastic parts 121 are arched, and the opening directions of the two elastic parts 121 are opposite, and the two elastic parts 121 are spaced from each other, so that the two sides of the fastening part 12 are protruded. When the fastening portion 12 is inserted into the hole of the member, the two elastic portions 121 are pressed against the hole wall, thereby being deformed and approaching each other, and the fastening portion 12 can be inserted into the hole. The two elastic parts 121 are connected at one end to the fixing plate 11 and at the other end to each other, so that the fastening part 12 is tapered in a free state and has a tip that can be easily inserted into a hole of a member to be connected.
Each of the elastic parts 121 includes a flange 1211 provided inside the elastic part 121, and a hooking groove 1212 provided inside the elastic part 121. The protruding directions of the two flanges 1211 are toward the central axis of the clip 10 and the extending directions are parallel to the central axis of the clip 10, so that the flanges 1211 are protruded between the two elastic parts 121. At the same time, the two flanges 1211 should be staggered with respect to each other, i.e. the planes of the two flanges 1211 do not coincide. When the insert 20 is fully inserted into the fastening portion 12, the insert 20 may slide against the side wall of the flange 1211, preventing the insert 20 from sliding out of the elastic portion 121 and restricting the sliding direction thereof during the insertion, so that the insert 20 slides in the extending direction of the flange 1211 to play a guiding role for easy assembly. One of the flanges 1211 has a length greater than that of the other flange 1211, and two of the flanges 1211 are flush with one end of the flange 1211 which is remote from the fixed disk 11, and one end of the flange 1211 which is remote from the fixed disk 11 extends to the fixed disk 11 and is spaced apart from the fixed disk 11, respectively, which will be described in detail below for easy detachment. The hook groove 1212 is located at one end of the elastic part 121 near the fixing plate 11, and the hook groove 1212 is used for fixing the hook 23.
The two pins 22 of the insert 20 are staggered such that the junction of the two pins 22 engages the side wall of the flange 1211. One end of the inserted link 22 is connected with the sealing disc 21, and the other end is provided with an elastic finger 24, wherein one of the inserted links 22 is provided with one elastic finger 24, and the other inserted link 22 is provided with two elastic fingers 24 which are arranged at intervals. The insert 20 is inserted into the fastening portion 12 through the opening 111 such that the hooks 23 are positioned in the hook grooves 1212. When the fastener preassembly is required to be removed, since one of the insert rods 22 is provided with only one of the elastic fingers 24, the insert 20 can be first tilted to separate the hooks 23 on the one of the elastic fingers 24 from the hook grooves 1212. While one of the flanges 1211 is spaced from the fixed disk 11 near one end of the fixed disk 11, also provides sufficient space to accommodate the spring fingers 24 that are released first, and then the insert 20 is pulled out, thereby facilitating removal of the insert 20.
Fig. 5 is a schematic structural view of a fastener assembly structure according to the present invention. The fastener assembly structure is formed by the complete insertion of the clip 10 into the insert 20, so that the fastener assembly structure also includes a clip 10, and an insert 20 disposed on the clip 10, and the same constituent structure is not described herein.
Each of the elastic parts 121 further includes a plurality of steps 1213 provided outside the elastic part 121. The steps 1213 are disposed along the outer sidewall of the elastic portion 121 and located at one end of the elastic portion 121 near the fixing plate 11, so that the outer sidewall of the elastic portion 121 is rugged, and the elastic portion 121 can be better clamped with the hole wall, thereby improving fastening strength. The step 1213 is hollow between the elastic portion 121 and the hole wall, so that when the elastic portion 121 is deformed by contact with the hole wall, the step 1213 can be slightly deformed, and the fastening portion 12 can adapt to holes with different sizes, thereby improving applicability. The two elastic parts 121 further include a locking part 1214 extending from the elastic part 121, the locking part 1214 extends away from the fixing plate 11 and parallel to the central axis of the fastening part 12, and the locking part 1214 is located at an end of the flange 1211 away from the fixing plate 11. The clamping portion 1214 is used for the hook 23. When in use, the insert 20 is inserted into the hole, the two elastic parts 121 are deformed by contacting with the hole wall, and then the clamping piece 10 is completely inserted into the insert 20, the two deformed elastic parts 121 are spread out due to the insertion of the insert 20, so that the two elastic parts 121 are propped against the hole wall, and are clamped in the hole. The flange 1211 prevents the insert 20 from sliding out of the elastic portion 121 and limits the sliding direction thereof during the insertion process, thus providing a guiding function, and the step 1213 can be better engaged with the hole wall, thereby improving the fastening strength. The hooks 23 are engaged with the engaging portions 1214, so that the engaging member 10 is fixed in the insert 20, and the sheet metal member between the fixing plate 11 and the sealing plate 21 is fixed.
Compared with the prior art, the elastic fingers 24 are connected with the inner wall of the opening 111, so that the clamping piece 10 and the inserting piece 20 are integrally formed, two dies are not needed to be respectively die-cast, the cost is reduced, the transportation is easier, and the storage is convenient. Meanwhile, the connecting area is greatly reduced, the clamping piece 10 and the inserting piece 20 can be separated easily, no tool is needed, and the operation is convenient. The hooks 23 are spaced from the connection of the elastic finger 24 and the opening 111. When the joint of the clamping piece 10 and the insert piece 20 is broken, the hook 23 is not damaged, and the hook 23 is prevented from being damaged to influence the clamping. The flanges 1211 are provided between the two elastic parts 121 in a protruding manner, so that the insert 20 is prevented from sliding out of the elastic parts 121 and limiting the sliding direction thereof during the insertion process, and the insert 20 is guided to slide along the extending direction of the flanges 1211, thereby facilitating the assembly. One of the levers 22 is provided with only one of the resilient fingers 24 to facilitate removal of the insert 20 when removal of the fastener preassembly is desired. The plurality of steps 1213 make the outer side wall of the elastic portion 121 uneven, and are hollow between the elastic portion 121, so that the elastic portion 121 can be better clamped with the hole wall, and fastening strength is improved. And when the elastic part 121 is deformed in contact with the hole wall, the step 1213 can be slightly deformed, so that the fastening part 12 can adapt to holes with different sizes, and the applicability is improved.
The above is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions or improvements within the spirit of the present invention are intended to be covered by the claims of the present invention.
Claims (8)
1. A fastener blank, characterized in that: the fastener stock includes a joint spare, and one sets up the setting is in the plug-in components on the joint spare, the joint spare includes a fixed disk, and one sets up the fastening portion on the fixed disk, the fastening portion include two with the elastic component that the fixed disk is connected, two elastic component one end with the fixed disk is connected, the other end interconnect, every elastic component includes that one sets up the inboard flange of elastic component, two the direction of stretching out of flange orientation the center pin of joint spare and the direction of extension are on a parallel with the center pin of joint spare, a trompil has been seted up at the center of fixed disk, the trompil with the fastening portion intercommunication, the plug-in components includes a sealing disk, two settings are in the inserted bar on the sealing disk, and two respectively set up in the couple of inserted bar both sides, inserted bar one end with the sealing disk is connected, the other end is equipped with elasticity and the inner wall is in the direction of stretching out of flange orientation is on the center pin and extension direction are on the sealing disk, two sets up one side of the elastic component is close to one end is kept away from to the elastic component, two sets up the elastic component one end is kept away from each other to the fixed with the fixed material.
2. The fastener stock of claim 1, wherein: the hooks are arranged at intervals with one ends of the elastic fingers, which are connected with the openings.
3. The fastener stock of claim 1, wherein: the aperture is shaped to match the insert.
4. A fastener preassembly structure, characterized in that: the fastener pre-assembling structure comprises a clamping piece and an inserting piece arranged on the clamping piece, the clamping piece comprises a fixed disc and a fastening part arranged on the fixed disc, an opening is formed in the center of the fixed disc and communicated with the fastening part, the fastening part comprises two elastic parts connected with the fixed disc, one ends of the two elastic parts are connected with the fixed disc, the other ends of the two elastic parts are connected with each other, each elastic part comprises a flange arranged on the inner side of the elastic part, a hook groove arranged on the inner side of the elastic part, the extending directions of the two flanges face the central shaft of the clamping piece, the extending directions of the two flanges are parallel to the central shaft of the clamping piece, the hook groove is positioned at one end of the elastic part close to the fixed disc, the insert comprises a sealing disc, two insert rods arranged on the sealing disc, and two hooks respectively arranged on two sides of the insert rods, wherein the two insert rods of the insert are arranged in a staggered mode, one end of each insert rod is connected with the sealing disc, the other end of each insert rod is provided with an elastic finger, one insert rod is provided with one elastic finger, the other insert rod is provided with two elastic fingers which are arranged at intervals, two flanges are far away from one end of the fixing disc and are flush with each other, the two flanges are close to one end of the fixing disc and are respectively extended to the fixing disc and are arranged at intervals of the fixing disc, and the hooks are arranged on the elastic fingers and are arranged in the hook grooves and are of a fastener preassembling structure.
5. The fastener preassembly of claim 4, wherein: the elastic parts are arched, the opening directions of the two elastic parts are opposite, and the two elastic parts are arranged at intervals.
6. A fastener assembly structure, characterized in that: the fastener assembly structure comprises a clamping piece and an inserting piece arranged on the clamping piece, wherein the clamping piece comprises a fixed disc and a fastening part arranged on the fixed disc, an opening is formed in the center of the fixed disc and communicated with the fastening part, the fastening part comprises two elastic parts connected with the fixed disc, one ends of the two elastic parts are connected with the fixed disc, the other ends of the two elastic parts are connected with each other, each elastic part comprises a flange arranged on the inner side of the elastic part, the extending directions of the two flanges face the central shaft of the clamping piece and are parallel to the central shaft of the clamping piece, each elastic part comprises a plurality of steps arranged on the outer side of the elastic part, the steps are arranged along the outer side wall of the elastic part, the step and the elastic part are arranged in a hollow way, the two elastic parts further comprise a clamping part extending from the elastic parts, the clamping part is positioned at one end of the flange far away from the fixed disc, the insert comprises a sealing disc, two inserted bars arranged on the sealing disc, and two hooks respectively arranged at two sides of the inserted bars, the two inserted bars of the insert are arranged in a staggered way, one end of each inserted bar is connected with the sealing disc, the other end of each inserted bar is provided with an elastic finger, one inserted bar is provided with one elastic finger, the other inserted bar is provided with two elastic fingers which are arranged at intervals, one ends of the two flanges far away from the fixed disc are mutually flush, one ends of the two flanges near the fixed disc are respectively extended to the fixed disc and are arranged at intervals with the fixed disc, the hook is arranged on the elastic finger and is of a fastener assembly structure when being clamped with the clamping part.
7. The fastener assembly structure of claim 6, wherein: the extending direction of the clamping part is far away from the fixed disc and parallel to the central shaft of the fastening part.
8. The fastener assembly structure of claim 6, wherein: the step is positioned at one end of the elastic part, which is close to the fixed disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111119892.3A CN113969928B (en) | 2021-09-24 | 2021-09-24 | Fastener blank and pre-assembly structure and assembly structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111119892.3A CN113969928B (en) | 2021-09-24 | 2021-09-24 | Fastener blank and pre-assembly structure and assembly structure thereof |
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| Publication Number | Publication Date |
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| CN113969928A CN113969928A (en) | 2022-01-25 |
| CN113969928B true CN113969928B (en) | 2024-05-03 |
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| CN202111119892.3A Active CN113969928B (en) | 2021-09-24 | 2021-09-24 | Fastener blank and pre-assembly structure and assembly structure thereof |
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| CN114992211B (en) * | 2022-04-22 | 2024-05-17 | 浙江汉工智能工业有限公司 | Preassembly structure and locking structure of fastening device |
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2021
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|---|---|
| CN113969928A (en) | 2022-01-25 |
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