Pre-assembling assembly with pre-installed fasteners

Abstract

The utility model relates to a preassembly with preinstalled fastener, it includes prepositioning piece and the fastener that is clamped in the prepositioning piece, the prepositioning piece includes main part, buckle, upper layer blade and lower layer blade, the buckle extends obliquely from the outer surface of main part, the lower rail includes abutting plate, and the upper layer blade and the lower layer blade abut against each other. The buckle is clamped on the abutting plate so that the pre-positioning piece can be limited, an upper-layer blade and a lower-layer blade of the pre-positioning piece extend inwards from different heights of the body so as to clamp the head of the fastener, and the upper-layer blade and the lower-layer blade deform under first external force so that the fastener can be disengaged from clamping. According to the preassembling assembly with the pre-installed fastener, the fastener is clamped in the pre-positioning piece to be modularly designed, for example, bolts and a sliding rail are delivered together, a client side does not need to be provided with the fastener independently, and the installation time of the client side is greatly shortened.

Description

Technical Field

[0001] The utility model relates to a vehicle, and more particularly to a pre-installed assembly with pre-installed fasteners. Background Art

[0002] See also Figure 10 The installation process of the slide rail body bolts in the prior art at the client's end includes: pre-installing the slide rail 100 (i.e., inserting the locating pins into the holes in the vehicle body floor) to ensure that the slide rail 100 will not shift during the installation process, and then moving along arrow A to push aside the plastic trim 300 covering the vehicle body hole 200, aligning the vehicle body bolt 400 with the vehicle body hole 200 and inserting it, and finally tightening the vehicle body bolt 400 using tool 500. In this process, the operator needs to push aside the trim 300 with one hand, and take a vehicle body bolt 400 with the other hand to insert it into the vehicle body hole 200, screw in several threads, and then tighten it using tool 500. Due to the small space in the vehicle body, it is not only inconvenient for the client to install the vehicle body bolt 400 in the vehicle body environment, but also takes a long time. In addition, due to the many and non-uniform types of current vehicle body bolts 400, different customers are equipped with different vehicle body bolts, and the slide rail design also requires different vehicle body bolt holes. Furthermore, when the tool 500 is used to tighten the vehicle body bolt 400 , the tool 500 may easily tilt during rotation, causing the tool 500 or the vehicle body bolt 400 to scrape against the adjacent screw rod 600 , resulting in abnormal noise. Utility Model Content

[0003] In order to solve the problem of time-consuming client installation in the above-mentioned prior art, the utility model provides a pre-installed assembly with pre-installed fasteners.

[0004] According to the pre-installed assembly of the utility model with fasteners pre-installed, it includes a pre-positioning member and a fastener clamped in the pre-positioning member, wherein the pre-positioning member includes a main body, a buckle, an upper blade and a lower blade, the buckle extends obliquely from the outer surface of the main body, the lower rail includes an abutment plate, the buckle is clamped on the abutment plate to limit the pre-positioning member, the upper blade and the lower blade of the pre-positioning member extend inward from different heights of the main body respectively to clamp the head of the fastener, and the upper blade and the lower blade are deformed under a first external force to disengage the fastener.

[0005] In a preferred embodiment, the snap fastener includes a spring sheet and an extension sheet, wherein the spring sheet extends obliquely from the outer surface of the main body, the free end surface of the spring sheet is formed as an abutment surface for clamping the abutment plate, and the extension sheet extends from a side of the abutment surface adjacent to the main body.

[0006] In a preferred embodiment, a portion of the wall surface of the main body adjacent to the buckle continues to extend to form an extension portion, which is arranged parallel to the extension piece. The extension portion and the extension piece are deformed under the second external force to release the buckle from being stuck on the abutment plate.

[0007] In a preferred embodiment, the abutting plate has a side end face, and the pre-positioning member further includes a support arm extending from the outer surface of the main body, and the support arm is in contact and cooperation with the side end face so that the pre-positioning member is further limited.

[0008] In a preferred embodiment, the lower rail further includes an opening groove, and the main body of the pre-positioning member is in contact and cooperation with the opening groove so that the pre-positioning member is further limited.

[0009] In a preferred embodiment, the upper layer blades and the lower layer blades respectively include a plurality of discrete deformable blades which are staggeredly distributed.

[0010] In a preferred embodiment, the pre-assembly assembly further includes a lead screw located outside the main body of the pre-positioning member.

[0011] In a preferred embodiment, the pre-positioning member is a plastic part.

[0012] In a preferred embodiment, the pre-assembly assembly further includes a part to be installed, and the pre-positioning member is clamped in the part to be installed.

[0013] In a preferred embodiment, the part to be installed is a lower rail, the fastener is a body bolt, and the head is a bolt head.

[0014] For the pre-assembly assembly pre-installed with fasteners according to the present invention, the fasteners are clamped in the pre-positioning member for modular design. For example, the bolt and the slide rail are shipped together, and the client does not need to separately equip the fasteners, which greatly shortens the installation time of the client. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is an overall cross-sectional view of a pre-assembly assembly pre-installed with fasteners according to a preferred embodiment of the present invention.

[0016] Figure 2 is Figure 1 a schematic structural view of the pre-positioning member of

[0017] Figure 3 shows Figure 2 the clamping of the pre-positioning member of

[0018] Figure 4 is Figure 2 a cross-sectional view of the pre-positioning member of <N

[0019] Figure 5 is Figure 2 a top view of the pre-positioning member of

[0020] Figure 6 Similar to Figure 1 shows the completed state of the pre-assembly assembly pre-installed with fasteners.

[0021] Figure 7 Similar to Figure 5 Shows a pre-positioning member of another embodiment.

[0022] Figure 8 Similar to Figure 5 Shows a pre-positioning member of yet another embodiment.

[0023] Figure 9 Similar to Figure 6 Shows the installation process of a pre-assembled assembly pre-installed with fasteners.

[0024] Figure 10 Shows the installation process of a slide rail body bolt according to the prior art at the client side. Detailed implementation manner

[0025] The following combines with the attached drawings to give the preferred embodiments of the present invention and describes them in detail.

[0026] As Figure 1 Shown, the pre-assembled assembly pre-installed with fasteners according to a preferred embodiment of the present invention is a slide rail assembly, which includes a pre-positioning member 1, a lower rail 2 and a fastener 3. Among them, the pre-positioning member 1 is clamped in the lower rail 2, and the fastener 3 is clamped in the pre-positioning member 1. In this embodiment, the fastener 3 is a body bolt.

[0027] As Figure 2 Shown, the pre-positioning member 1 includes a main body 11 and a buckle 12. Among them, the main body 11 is a cylindrical barrel, and the buckle 12 extends radially outward and upward obliquely from the outer surface of the main body 11. The cylindrical barrel shape of the main body 11 is only an example rather than a limitation, and other circumferentially closed shapes such as square barrels can also be used here. In this embodiment, a part of the wall surface of the main body 11 adjacent to the buckle 12 continues to extend upward to form an extension portion 111. The buckle 12 includes an elastic piece 121 and an extension piece 122. Among them, the elastic piece 121 extends obliquely from the outer surface of the main body 11, and the free end surface of the elastic piece 121 forms an abutting surface 121a. The extension piece 122 extends upward from the side of the abutting surface 121a adjacent to the main body 11. The abutting surface 121a is substantially perpendicular to the extending direction of the elastic piece 121. In this embodiment, the abutting surface 121a and the extending direction of the elastic piece 121 form an included angle of about 80°. The extension piece 122 is substantially parallel to the extension portion 111.

[0028] As Figure 1 Shown, the lower rail 2 includes a horizontally extending abutting plate 21. It should be understood that the abutting plate 21 directly defines the opening of the lower rail 2. The buckle 12 of the pre-positioning member 1 is clamped on the abutting plate 21, so that the pre-positioning member 1 is limited in the z direction, ensuring that the pre-positioning member 1 will not fall out during transportation.

[0029] The installation and clamping process of the buckle 12 of the pre-positioning member 1 on the lower rail 2 will be briefly described below. During the process of snapping the pre-positioning member 1 into the lower rail 2, the elastic piece 121 and the abutting plate 21 start to come into contact. As the pre-positioning member 1 is pressed downwards, the buckle 12 also moves downwards. The elastic piece 121 is squeezed and contracts inwards under the action of the abutting plate 21 until the abutting surface 121a is completely positioned below the abutting plate 21. Then, the buckle 12 rebounds, and the abutting surface 121a catches the abutting plate 21, making the pre-positioning member 1 unable to move up and down.

[0030] Return to Figure 2 , the pre-positioning member 1 further includes two support arms 13, which horizontally extend radially outwards from the outer surface of the main body 11 on both sides of the buckle 12. As Figure 3 shown, the abutting plate 21 has a straight side end face 211. The support arms 13 of the pre-positioning member 1 are in contact and cooperate with the side end face 211. The lower rail 2 further includes an arc-shaped opening groove 22. The main body 11 of the pre-positioning member 1 is in contact and cooperates with the opening groove 22, so that the pre-positioning member 1 is limited in the x direction and the y direction. The shape of the side end face 211 and the opening groove 22 of the lower rail 2 are only examples of the shape of the lower rail opening rather than limitations. The corresponding profiling outer contour of the pre-positioning member 1 is also only an example rather than a limitation. As long as the interface between the pre-positioning member 1 and the lower rail 2 can be mutually clamped and limited.

[0031] As Figure 4 shown, the pre-positioning member 1 further includes an upper layer blade 14 and a lower layer blade 15, which respectively extend radially inwards from different heights of the main body 11 and are used to catch the head 31 of the fastener 3 (see Figure 1 ). In this embodiment, the head 31 is a bolt head. As Figure 5 shown, the upper layer blade 14 and the lower layer blade 15 are staggeredly distributed. The staggeredly distributed upper layer blade 14 and lower layer blade 15 can allow the fastener 3 to fall smoothly under the action of the tightening force. The upper layer blade 14 and the lower layer blade 15 are deformed under the action of the tightening force and cannot support the head 31, so that the fastener 3 is tightened downwards, as Figure 6 shown. When the fastener 3 is tightened to the lower rail 2, hold the extension part 111 and the extension piece 122, and the buckle 12 contracts inwards. The pre-positioning member 1 can be pinched and taken out from the lower rail 2. In this embodiment, the upper layer blade 14 and the lower layer blade 15 each include three blades. The number of the blades here is only an example rather than a limitation. In this embodiment, the blades of the upper layer blade 14 and the lower layer blade 15 are respectively semi-circular. The semi-circular shape of the blades here is only an example rather than a limitation. For example, Figure 7 the long strip waist circle or Figure 8 the triangle can be used for this, as long as it can catch the head 31.

[0032] In the case where the fastener 3 is designed to be within the travel of the screw rod 4, the pre-positioning member 1 can effectively protect the screw rod 4 and prevent the operator from scratching the screw rod 4 when installing the fastener 3. Figure 9 As shown, the main body 11 of the pre-positioning member 1 can effectively isolate the fastener 3 and the screw rod 4, preventing the installation tool from tilting during rotation and causing the installation tool itself or the fastener 3 to hit the screw rod 4.

[0033] The utility model is shipped directly as a slide rail assembly, meaning the pre-positioning member 1 with the fastener 3 is pre-installed in the lower rail 2. Installation at the customer's end involves: peeling back the plastic trim 300 covering the pre-positioning member 1 along arrow A, tightening the fastener 3 until it passes through the pre-positioning member 1 and fits against the lower rail 2 under the tightening force, and finally removing the pre-positioning member 1. This process eliminates the need to insert bolts into vehicle body holes and tighten multiple threads, significantly reducing labor time.

[0034] This utility model ships the entire rail assembly directly, reducing installation costs for the customer. This shifts the process of obtaining and positioning bolts, which typically occurs at the customer's site, upstream. The rail supplier then installs the body bolts 3 in bulk within the pre-positioning element 1, which then snaps into the lower rail 2, leaving the body bolts 3 ready for shipment. This bolt-on rail shipping method eliminates the need to design separate body bolt holes and eliminates the need for the customer to stock bolts, simplifying the customer's parts list.

[0035] The pre-positioning member 1 of this utility model is a plastic part, injection-molded using common plastic molding processes, resulting in low cost. It can be used with a variety of slide rails, as long as the lower rail 2 is designed to accommodate the positioning features of the pre-positioning member 1. This utility model is not only suitable for installing bolts on the slide rail body, but also for other applications that require bolted shipment, pre-installed bolts, or other positioning fasteners.

[0036] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Various modifications are possible to the above embodiments of the present invention. In other words, any simple, equivalent changes and modifications made in accordance with the claims and description of the present invention fall within the scope of protection of the present invention. Anything not fully described in this invention represents conventional technology.

Claims

1. A pre-assembled assembly pre-installed with fasteners, characterized in that, The pre-assembled assembly includes a pre-positioning member and a fastening member clamped in the pre-positioning member. Among them, the pre-positioning member includes a main body, a buckle, an upper blade and a lower blade. The buckle extends obliquely from the outer surface of the main body. The lower rail includes an abutting plate, and the buckle is clamped on the abutting plate so that the pre-positioning member is limited. The upper blade and the lower blade of the pre-positioning member respectively extend inward from different heights of the main body to clamp the head of the fastening member, and the upper blade and the lower blade are deformed under a first external force so that the fastening member is disengaged from the clamping.

2. The pre-assembled assembly according to claim 1, wherein, The buckle includes an elastic piece and an extension piece. Among them, the elastic piece extends obliquely from the outer surface of the main body, and the free end surface of the elastic piece is formed as an abutting surface for clamping the abutting plate. The extension piece extends from the side of the abutting surface adjacent to the main body.

3. The pre-assembled assembly according to claim 2, characterized in that, A partial wall surface of the main body adjacent to the buckle continues to extend to form an extension part. The extension part is arranged parallel to the extension piece, and the extension part and the extension piece are deformed under a second external force to release the clamping of the buckle on the abutting plate.

4. The pre-mounted assembly according to claim 1, characterized in that, The abutting plate has a side end surface. The pre-positioning member further includes a support arm extending from the outer surface of the main body. The support arm is in contact and cooperation with the side end surface so that the pre-positioning member is further limited.

5. The pre-installed assembly according to claim 1, characterized in that, The lower rail further includes an opening groove. The main body of the pre-positioning member is in contact and cooperation with the opening groove so that the pre-positioning member is further limited.

6. The pre-installed assembly according to claim 1, characterized in that, The upper blade and the lower blade respectively include a plurality of discrete deformable blades distributed in a staggered manner.

7. The pre-installed assembly according to claim 1, characterized in that, The pre-assembled assembly further includes a lead screw located outside the main body of the pre-positioning member.

8. The pre-installed assembly according to claim 1, characterized in that, The pre-positioning member is a plastic part.

9. The pre-installed assembly according to claim 1, wherein The pre-assembled assembly further includes a part to be installed, and the pre-positioning member is clamped in the part to be installed.

10. The pre-installed assembly according to claim 9, characterized in that, The part to be installed is a lower rail, the fastening member is a body bolt, and the head is a bolt head.

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