TW201629358A - Screwless fastening mechanism - Google Patents

Abstract

A screwless fastening mechanism includes a stationary body, a movable body and a fastener. The stationary body includes a trough and a bridge straddling two opposite walls of the trough. The movable body, which is capable of being assembled to the stationary body, is provided with a hook protruding to a bottom of the trough, and the hook is provided with a protrusion extending to the bridge. The fastener is mounted in the trough and it is allowed to move above and interfere with the protrusion. The fastener is provided on a top thereof with a recess or a bump. As a result, a user can proceed an assembling and a dissembling process of the stationary body and the movable body by means of employing a simple tool to move the fastener. In the abovesaid process, it does not need any screw, thus benefiting the ease of use and the thinner design of the stationary body.

Description

Screwless snap structure

The invention relates to a connection structure between device parts, in particular to a screwless snap structure between product parts.

With the trend toward thin design of electronic products, more and more electronic products have been designed to be thinner and thinner. However, the conventional processing method has its limit. When the thickness of the outer casing is less than 5 mm (mm), the problem of insufficient connection strength is caused by the use of the screw locking method to connect the outer casing and other parts, resulting in limitation of the thickness of the outer casing, and the use of screws Locking also affects the overall appearance of the product.

In order to solve the above problems, some products adopt a screwless connection design, such as using a hook, ultrasonic or dispensing to connect the outer casing and other parts of the product. However, if the hook structure is adopted, the outer casing and other parts are designed to reserve space and angle, so that the two can be assembled into one body, which will increase the difficulty in design and assembly, and may also cause the product to be detected in subsequent tests. The problem that the product is difficult to disassemble during maintenance. However, if a one-time connection method such as ultrasonic or dispensing is used, the product cannot be removed after assembly. Therefore, a more practical and new screwless connection design needs to be invented.

In view of this, the main object of the present invention is to provide a screwless product part. A wire snap-on structure that is suitable for thin parts and easy to assemble and disassemble.

In order to achieve the above object, the present invention provides a screwless snap structure including a fixing member, a movable member that can be assembled to the fixing member, and a snap member that is disposed on the fixing member and that can be between the buckle position and the release position. slide. Wherein, the fixing member is provided with a groove and a bridge portion spans and connects the two sides of the groove; the movable member has at least one hook protruding to the bottom of the groove when assembled to the fixing member, and the hook is facing the bridge The portion extends with a hook portion; the latching member is mainly a sheet body accommodated inside the groove, and a surface facing away from the bottom of the groove is provided with a concave hole or a stud.

Therefore, the present invention can determine the interference hook or the distance from the hook portion by sliding the buckle between the buckle position and the release position, and the user only needs to use a simple tool to apply the concave hole or the convex portion of the buckle member. The column can be easily assembled or disassembled by pulling the latching member to slide the latching member to the latching position or the releasing position, so that the use is very convenient, and the fixing member can be designed to be thinner without using screws. .

For example, the recessed holes in the top surface of the latching member may be through holes or blind holes, and the structural changes of the recessed holes allow the user to simply use a tool (such as a hex wrench) to pull the latching member.

Preferably, the front side of the latching member has a latching portion, and the thickness of the latching portion is substantially equal to the distance from the bottom end of the bridging portion to the upper edge of the hook portion, so that when the latching member is in the latching position When the buckle member is in close contact with the bridge portion and the hook portion, the movable member is more difficult to separate from the fixing member.

Preferably, when the upper edge of the hook portion is higher than the bottom of the groove, two leg portions may be disposed on two sides of the buckle member, or two oblique blocks may be disposed on two sides of the bottom portion of the groove. When the latching member slides toward the latching position, the front side of the latching member can be kept upward, so that the latching member can smoothly Interference with the hook to fix the movable part and the fixed part.

Preferably, the bottom of the hook is provided with a pair of bit grooves for fitting the alignment frame strip of the fixing member, so that the fixing member can be accurately positioned.

1‧‧‧Snap structure

10‧‧‧shell

11‧‧‧ openings

12‧‧‧ accommodating space

14‧‧‧Activities

141‧‧‧ hook

142‧‧‧Hook

144‧‧‧ alignment trench

15‧‧‧Fixed parts

151‧‧‧ Groove

152‧‧‧ wall

153‧‧‧ bottom

154‧‧‧High section

155‧‧‧low section

156‧‧‧ inside

157‧‧‧ alignment box

16‧‧‧Bridge

17‧‧‧ oblique block

18‧‧‧Bumps

19‧‧‧Flexible positioning block

20‧‧‧Card fasteners

21‧‧‧ tablets

22‧‧‧Recessed holes and studs

23‧‧‧Snaps

24‧‧‧foot

25‧‧‧V-shaped tail

251‧‧‧ cutting-edge

26‧‧‧Positioning holes

D‧‧‧Distance

T‧‧‧ thickness

W‧‧‧ Tools

Fig. 1 is a partial perspective view of a movable member according to a first embodiment of the present invention.

Fig. 2 is a partial perspective view of the fixing member of the first embodiment of the present invention.

Fig. 3 is a perspective view showing the fastener of the first embodiment of the present invention.

Figure 4 is a schematic view showing the combination of the buckle structure of the first embodiment of the present invention for explaining the situation in which the buckle member is in the release position.

FIG. 5 is another schematic diagram of the combination of the buckle structure according to the first embodiment of the present invention, which is used to illustrate the situation in which the buckle member is located at the buckle position.

Figure 6 is a perspective view of a clip of a second embodiment of the present invention.

Figure 7 is a schematic view showing the combination of the buckle structure of the second embodiment of the present invention.

Figure 8 is a perspective view of a buckle member according to a third embodiment of the present invention.

Figure 9 is a top plan view showing the buckle structure of the third embodiment of the present invention.

In order to better understand the features of the present invention, the present invention provides three embodiments and is described below in conjunction with the drawings. In the following embodiments, the housing 10 is exemplified, and for convenience of explanation, the movable member 14 of the housing 10 is positioned above the fixing member 15 as a reference. In the following embodiments, the same or similar elements are denoted by the same element numbers for convenience of identification, and the number of the same or similar elements is merely exemplified in the present invention, and is not to be construed as limiting. Adjustments are made to different product specifications.

In the first embodiment, the main components of the snap structure 1 include a housing 10 and two latching members 20. The structure of the components and the relationship between them are as follows.

Please refer to Figure 4 first. The housing 10 has a hollow structure and includes a movable member 14 and a fixing member 15. An accommodating space 12 is formed between the movable member 14 and the fixing member 15 to accommodate other components of the housing 10, and the front end of the housing 10 is provided with an opening 11 communicating with the accommodating space 12 and the outside of the housing 10. Referring to FIG. 1 again, the top surface of the fixing member 15 is provided with two grooves 151 spaced apart from each other, and a aligning frame strip 157 is adjacent to the groove 151. A connecting portion 16 is connected to the top end of each groove 151. The bridge portion 16 is a wall surface 152 that is flat and spans the connecting groove 151.

It is noted that the number of the grooves 151 can be reduced to one or increased to two or more, and the position of the groove 151 can also be set to the opposite inner side surfaces 156 of the fixing member 15, so It should be limited to this embodiment. In addition, for convenience of description, the embodiment only illustrates the relationship between one of the grooves 151 and other components, and the other group can be analogized.

The bottom portion 153 of the groove 151 is respectively provided with a diagonal block 17 on both sides of the bridge portion 16, and the bottom portion 153 is provided with a bump 18 at an end relatively away from the bridge portion 16. In this embodiment, the bumps 18 are elongated. It should be noted that the arrangement of the diagonal block 17 and the bump 18 is only a function of the auxiliary snap member 20, and the oblique block 17 and the bump 18 are not essential components.

Please refer to Figures 2 and 4. A hook 141 is protruded from the bottom of the movable member 14. The bottom surface of the hook 141 is provided with a pair of groove 144 for fitting the alignment frame 157 of the fixing member 15, so that the movable member 14 can be folded and positioned. . In addition, the bottom of the hook 141 is provided with two hook portions 142 extending toward the bridge portion 16, so that when the movable member 14 is overlapped with the fixing member 15, the hook portion 142 abuts against the bottom portion 153 of the recess 151, and the hook portion 142 is Adjacent to the front end of the bridge portion 16 (as shown in Fig. 4).

Referring to FIGS. 3 to 5, the fastening member 20 includes a sheet body 21 and is fixed to the fixing member. In the groove 151 of the piece 15. The surface of the sheet 21 facing away from the bottom 153 of the recess 151, that is, the top surface of the sheet 21 in this embodiment is provided with a recess 22, which is a through hole in the embodiment, so that the user can use the tool W. For example, a hex wrench pulls the sheet 21 by the through hole, so that the snap member 20 can slide between the release position (as shown in FIG. 4) and the snap position (as shown in FIG. 5) in tandem. The front side of the sheet body 21 has a latching portion 23. When the latching member 20 is in the latching position, the latching member 20 is located between the bridge portion 16 and the hook portion 142 to interfere with the hook portion 142, so that the movable member 14 cannot be separated upward. The fixing member 15; when the locking member 20 is in the releasing position, the locking portion 23 is separated from the upper edge of the hook portion 142 without interfering with the hook portion 142, so that the movable member 14 can be disengaged from the fixing member 15. In addition, when the movable member 14 is overlapped with the fixing member 15, the distance between the bottom end of the bridge portion 16 and the upper edge of the hook portion 142 is D, and the thickness T of the buckle portion 23 is selected in this embodiment. When the fastener member 20 is slid to the latching position, the latching portion 23 can interfere with the hook portion 142 and the sheet body 21 can simultaneously contact the bridge portion 16 and the hook portion 142, so that the latching member 20 can be closer. The ground buckle hook portion 142.

In addition, in FIG. 3, the embodiment selectively extends downwardly in the direction of the bottom 153 of the recess 151 on the left and right sides of the sheet body 21 to form a leg portion 24 for assisting the erecting of the sheet body. 21, the latching portion 23 is held upward during the sliding in the recess 151, so that the latching member 20 can be more smoothly slid to the latching position and interfere with the hook portion 142.

Further, the present embodiment is also selectively provided on the rear side of the sheet body 21 with a V-shaped tail portion 25 having an opening upward which is slightly elastic and has a tip end 251 which protrudes toward the bottom portion 153 of the recess 151. When the snap member 20 is in the release position, the tip end 251 of the V-shaped tail portion 25 is located on the rear side of the bump 18 (ie, relatively far from the bridge portion 16); when the snap member 20 is in the snap position, the V-shaped tail portion The tip end 251 of the 25 is located on the front side of the bump 18 (i.e., relatively close to the bridge portion 16), so that the latching member 20 can achieve the positioning effect with the help of the bump 18 and the V-shaped tail portion 25, and assist the user to confirm the card. The positioning of the fastener 20 is No completed. In addition, when the latching member 20 is in the latching position, if the movable member 14 is to be disengaged from the fixing member 15, the hook portion 142 is limited to the latching member 20 and the bridging portion 16, thereby preventing the movable member 14 from being detached from the fixing member 15, detailed In other words, the hook portion 142 applies an upward force to the latching member 20, but the bridging portion 16 stops the movable member 14 hook portion 142 from moving upward, and the V-shaped tail portion 25 of the latching member 20 is also correspondingly applied. The bottom 153 of the recess 151 has a downward force.

Please refer to FIGS. 4 to 5 for use. When the user wants to assemble and fix the housing 10, the user can first insert the locking member 20 into the recess 151, and after folding the movable member 14 and the fixing member 15, The tool W is further inserted into the interior of the casing 10 via the opening 11 and the latching member 20 is pulled outwardly to slide the latching member 20 from the original release position to the latching position. In the process, the foot portion 24 can be further penetrated. The assistance of the inclined block 17 keeps the buckle portion 23 upward, so as to slide to the upper edge of the hook portion 142 and interfere with the hook portion 142, thereby fixing the movable member 14 and the fixing member 15. When the housing 10 needs to be disassembled, the user only needs to use the tool W to pull the latching member 20 inwardly to slide from the latching position to the releasing position without interfering with the hook portion 142, so that the user can easily The movable member 14 is removed.

The snap structure 1 of the present invention does not use a conventional screw-locking manner to fix the housing 10, so that the thickness of the fixing member 15 can be designed to be thinner without considering the problem of providing a screw hole in the fixing member 15. In addition, the fixing member 15 does not have a screw hole in appearance, and the function of waterproofing the housing 10 can be enhanced.

Based on the same design concept, the present invention further provides a second embodiment, please refer to FIGS. 6 to 7. Compared with the foregoing first embodiment, the structural difference of the embodiment is as follows: the latching member 20 also includes a piece of body 21 as shown in FIG. 6, wherein the top surface of the sheet body 21 is provided with a protrusion, for example, The circular studs 22 allow the user to pull the latching member 20 using a tool such as a wrench (not shown). In addition, please refer to Figure 7, the bottom 153 of the groove 151 A stepped structure having a high section 154 and a low section 155 is presented. The bottom surface of the snap member 20 is flat against the high section 154, and the hook portion 142 is located in the lower section 155, and the upper edge of the hook portion 142 is the upper section 154. The tops have substantially the same height. Therefore, the user can similarly pull the latching member 20 horizontally by using the tool to slide the latching member 20 from the releasing position to the latching position, thereby interfering with the hook portion 142 and fixing the movable member 14 and the fixing member 15.

In order to make the fastening member 20 have a good positioning effect during the sliding process, the present invention further provides a third embodiment, please refer to FIGS. 8 to 9. The left and right sides of the latching member 20 are respectively recessed to form a positioning hole 26, and the left and right sides of the wall surface 152 of the recess 151 are also respectively provided with an elastic positioning block 19. In the process of sliding the snap member 20 from the release position to the snap position, the snap member 20 can moderately compress the elastic positioning block 19, and when the snap member 20 is in the snap position, the elastic positioning block 19 abuts. The hole 26 is positioned to position the latching member 20.

Similarly, the positioning hole 26 can also be selectively opened on the bottom surface of the latching member 20, and correspondingly, the elastic positioning block 19 is disposed on the bottom portion 153 of the recess 151, so that the effect of positioning the latching member 20 can also be achieved.

Finally, it must be noted that the constituent elements disclosed in the foregoing embodiments of the present invention are merely illustrative and are not intended to limit the scope of the present invention, and other structural changes that are easily conceivable, or alternatives to other equivalent elements. Changes should also be covered by the scope of the patent application for this case.

1‧‧‧Snap structure

10‧‧‧shell

11‧‧‧ openings

12‧‧‧ accommodating space

14‧‧‧Activities

141‧‧‧ hook

142‧‧‧Hook

144‧‧‧ alignment trench

15‧‧‧Fixed parts

151‧‧‧ Groove

153‧‧‧ bottom

16‧‧‧Bridge

17‧‧‧ oblique block

18‧‧‧Bumps

21‧‧‧ tablets

22‧‧‧ recessed hole

23‧‧‧Snaps

24‧‧‧foot

25‧‧‧V-shaped tail

251‧‧‧ cutting-edge

D‧‧‧Distance

T‧‧‧ thickness

W‧‧‧ Tools

Claims (10)

A screwless buckle structure comprises: a fixing member (15), a groove (151) and a bridge portion (16) spanning and connecting the two sides of the groove (151); a movable member (14), The fixing member can be assembled with the at least one hook (141) protruding to the bottom of the groove (151), and the hook (141) has a hook portion (142) extending toward the bridge portion (16); The latching member (20) includes a body (21) received in the recess (151), and the sheet body (21) is provided with a recessed hole (22) or a surface facing away from the bottom of the recess (151). a stud (22), the latching member (20) is slidable between a latching position and a release position, and when the latching member (20) is in the latching position, the latching member (20) is located The bridge portion (16) and the hook portion (142) interfere with the hook portion (142), and when the snap member (20) is in the release position, the snap member (20) leaves the hook portion ( 142). The screwless buckle structure according to claim 1, wherein the sheet body (21) further has a buckle portion (23), and when the movable member (14) is overlapped with the fixing member (15), the card The thickness of the buckle portion (23) is substantially equal to the distance from the bottom end of the bridge portion (16) to the upper edge of the hook portion (142). The screwless fastening structure according to claim 1 or 2, wherein the fastening component (20) further comprises two leg portions (24) respectively facing the groove from opposite sides of the sheet body (21). The bottom (153) is extended to form. The screwless buckle structure according to claim 3, wherein the latching member (20) further comprises a V-shaped tail portion (25) coupled to the rear side of the latching member (20), and the V-shaped tail portion (25) There is a tip (251) that protrudes toward the bottom of the groove (151). The screwless buckle structure according to claim 4, wherein the fixing member (15) further comprises at least one convex The block (18) is disposed at a bottom of the recess (151) and away from the bridge portion (16). When the latching member (20) is located at the latching position, the tip end (251) is located at the at least one bump The front side of (18); when the snap member (20) is in the release position, the tip end (251) is located on the rear side of the at least one bump (18). The screwless buckle structure according to claim 3, wherein the bottom portion (153) of the groove is stepped and has a high section (154) and a low section (155), and the hook portion (142) is located at the lower portion. Segment (155), and the upper edge of the hook (142) is substantially the same height as the tall segment (154). The screwless snap-on structure according to any one of claims 1, 2, 4 or 5, wherein the recessed hole (22) is a through hole. The screwless buckle structure according to claim 1, wherein the fixing member (15) further comprises two elastic positioning blocks (19) respectively disposed on opposite wall surfaces of the groove (151), the fastening member (20) Two positioning holes (26) are respectively disposed on the two sides to correspond to the two elastic positioning blocks (19). The screwless buckle structure according to claim 1, wherein the fixing member (15) further comprises two oblique blocks (17), wherein the two oblique blocks (17) are respectively disposed at the bottom of the groove (151). side. The screwless buckle structure according to claim 1, wherein a bottom of the at least one hook (141) is provided with a pair of bit grooves (144), and the fixing member (15) is provided with a pair of bit frame strips (157). Used to fit the alignment trench (144).