TWI609614B - Mechanism with openable cover - Google Patents

Description

Opening mechanism

The invention relates to a cap opening mechanism, in particular to a cap opening mechanism for products such as electronic, industrial or medical electronics.

The mechanism cover or the case itself depends on the product category, some of which are often or occasionally need to be disassembled. Currently, the electronic, industrial or medical products on the market are not screwed or used when the cover or the case is removed. Hinge to design a removable cover. However, assembling with a locking screw requires an additional number of screws, and it is not convenient for the user to prepare the tool for disassembly, and it takes a lot of time. The use of hinges to design a slidable cover is much more convenient, but also saves a few screw parts, but this hinge design often requires enough space, sometimes the plastic mold needs to add additional slider mechanism, and also remove It takes a little more time to install the hinge as a fulcrum.

The technical problem to be solved by the present invention is to provide a cap opening mechanism that does not require the use of screws and hinges, and can be used to disassemble the cover plate without using tools in a limited space, and the assembly line is also relatively simple to assemble when assembling the hinge.

In order to solve the above problems, the present invention provides a cover mechanism, comprising: a casing having an opening, the casing being respectively provided with a first hook seat and a second hook seat on both sides of the opening; The board has fulcrum hooks and fixed hooks on both sides thereof; And the cover or the cover is provided with a limiting protrusion, and the cover or the casing is provided with a limiting recess. When the cover is assembled in the opening of the casing, the fulcrum hook is assembled in the first a latching seat, and the limiting protrusion is engaged with the limiting recess; when the cover is placed in the opening, the fixing hook is fastened to the second hook, so that the cover can be The removal cover is placed at the opening.

Preferably, the casing is provided with a guiding slot beside the first hooking seat, and a guiding slot is defined in the guiding slot seat, and two guiding guiding planes are formed on the two sides of the guiding slot seat adjacent to the guiding slot. The fulcrum hook is assembled to the first hook seat through the guiding slot and the guiding of the two guiding slopes.

For a better understanding of the features and technical aspects of the present invention, reference should be made to the accompanying drawings.

1‧‧‧Shell

11‧‧‧ openings

12‧‧‧First card hook

121‧‧‧Bumps

13‧‧‧Second card hook

131‧‧‧ hook hole

14‧‧‧Limited convex

15‧‧‧ Guide seat

151‧‧ ‧ guide slot

152‧‧‧ Guided slope

16‧‧‧Second stop

161‧‧‧second tab

17‧‧‧Limited convex

2‧‧‧ Cover

21‧‧‧ fulcrum hook

211‧‧‧ card body

212‧‧‧ first hook

22‧‧‧Fixed hook

221‧‧‧ Elastomers

222‧‧‧Second Hook

23‧‧‧ Limit recess

24‧‧‧First stop

241‧‧‧First tab

25‧‧‧ Limit recess

1 is a perspective exploded view (1) of a first embodiment of the opening mechanism of the present invention.

Figure 2 is an exploded perspective view (2) of the first embodiment of the opening mechanism of the present invention.

Figure 3 is a cross-sectional view showing the exploded state of the first embodiment of the opening mechanism of the present invention.

4 is a cross-sectional view showing the cover of the first embodiment of the opening mechanism of the present invention assembled to the casing.

Fig. 5 is a perspective view (1) showing a state in which the cover of the first embodiment of the opening mechanism of the present invention is closed.

Fig. 6 is a perspective view (2) showing a state in which the cover of the first embodiment of the opening mechanism of the present invention is closed.

Figure 7 is a cross-sectional view showing a state in which the cover of the first embodiment of the opening mechanism of the present invention is closed.

Figure 8 is a perspective exploded view (I) of the second embodiment of the opening mechanism of the present invention.

Figure 9 is a perspective exploded view (2) of the second embodiment of the opening mechanism of the present invention.

Figure 10 is a cross-sectional view showing the exploded state of the second embodiment of the opening mechanism of the present invention.

Figure 11 is a cross-sectional view showing the cover of the second embodiment of the opening mechanism of the present invention assembled to the casing.

Figure 12 is a cross-sectional view showing a state in which the cover of the second embodiment of the opening mechanism of the present invention is closed.

[First Embodiment]

Referring to Figures 1 to 3, the present invention provides a cap opening mechanism that can be applied to electronic, industrial or medical electronics products that require a quick, tool-free access to the cover. The opening mechanism includes a casing 1 and a cover 2, and the number of the cover 2 is not limited. For example, one or two cover plates 2 may be provided, or three or four cover plates 2 may be provided. Although the embodiment discloses that two cover plates 2 are provided, the two cover plates 2 have substantially the same structure, and therefore only one cover plate 2 is described.

The casing 1 may be a casing of an electronic, industrial or medical electronic product, and the configuration thereof is not limited. The casing 1 has an opening 11 , and the shape of the opening 11 is not limited. In the embodiment, the opening 11 A rectangular shape corresponding to the cover plate 2 is formed, so that the cover plate 2 can be placed in the opening 11 for covering the circuit board, electronic components and the like inside the casing 1.

The first hook portion 12 and the second hook portion 13 are respectively disposed on the two sides of the opening 11 of the casing 1. The first hook portion 12 can be used to pivotally support the fulcrum hook 21 on the side of the cover 2 The cover 2 can be opened and closed with respect to the opening 11 of the casing 1. The second hook 13 can be used to secure the cover 2 to the opening 11 of the casing 1 by the fixing hook 22 on the other side of the snap cover 2.

The number of the first hook holder 12 and the second hook holder 13 is not limited, and one, two or more may be provided. The configuration of the first hook holder 12 and the second hook holder 13 is not limited. In the embodiment, the first hook holder 12 has a protrusion 121 protruding from the inner side of the casing 1 and The bump 121 is close to the opening 11. The second hook seat 13 has a hook hole 131 recessed on the outer side of the casing 1 .

The housing 1 is further provided with a limiting protrusion 14 , and the number of the limiting protrusions 14 is not limited, and may be one, two or more. In this embodiment, the limiting protrusions 14 are provided in plurality. The limiting protrusions 14 are located at one side of the opening 11 and adjacent to the first hooking seat 12 . The limiting protrusions 14 extend upward to form a convex shape, and the limiting protrusions 14 can protrude from the top of the casing 1 .

The casing 1 can further be provided with a guide seat 15 next to the first hook seat 12, and a guide seat The number of settings 15 corresponds to the first hook holder 12 and the fulcrum hook 21. A guide groove 151 is defined in the guide seat 15. The fulcrum hook 21 can be assembled to the first hook base 12 by the guiding of the guide groove 151. In the present embodiment, the limiting projection 14 is formed at the upper end of the guide housing 15.

The cover plate 2 is a cover body corresponding to the opening 11 of the casing 1. The two sides of the cover plate 2 are respectively provided with a fulcrum hook 21 and a fixed hook 22, a fulcrum hook 21 and a fixed hook 22 The number is not limited and can be set to one, two or more. The structure of the fulcrum hook 21 and the fixed hook 22 is not limited. In this embodiment, the fulcrum hook 21 has a hook body 211 and a first hook portion 212, and the hook body 211 is connected to the cover 2, A hook portion 212 is connected to the end of the hook body 211 away from the cover 2, that is, the upper end of the hook body 211 can be connected to the cover 2, and the first hook portion 212 can be connected to the lower end of the hook body 211, and the first The hook portion 212 can be perpendicular to the hook body 211.

In this embodiment, the fixing hook 22 has an elastic body 221 and a second hook portion 222. The elastic body 221 can be curved, the elastic body 221 is connected to the cover plate 2, and the second hook portion 222 is connected to the elastic body 221 away from the cover. One end of the board 2. The fixing hook 22 has an elastic body 221, which can provide proper elasticity of the second hook portion 222, so as to smoothly buckle and fix the fixing hook 22 and the second hook seat 13.

The cover plate 2 is further provided with a limiting recess 23, and the number of the limiting recesses 23 is not limited, and may be one, two or more. In the embodiment, the limiting recess 23 is corresponding to the limiting convex portion 14. There are a plurality of recesses 23 on the side of the cover 2 on which the fulcrum hooks 21 are provided, and the recesses 23 on the inside of the cover 2, and the recesses 23 can be a recessed space at the bottom. The limiting protrusion 14 is inserted into the limiting recess 23 from bottom to top. The position of the limiting convex portion 14 and the limiting concave portion 23 of the present invention is not limited, and may be changed according to requirements. For example, the limiting convex portion may also be disposed on the cover plate 2, and the limiting concave portion may also be disposed in the casing 1 In the above, the limit protrusion can also be fitted to the limit recess.

As shown in FIG. 4, when the cover plate 2 is obliquely assembled in the opening 11 of the casing 1, the fulcrum hook 21 is assembled to the first hook seat 12, that is, the first hook portion 212 can be buckled. The protrusion 121 fixed to the first hook holder 12 enables the fulcrum hook 21 to be snap-fastened to the first hook holder 12 . The limiting protrusion 14 can be matched with the limiting recess 23 to prevent the front and rear displacement of the cover 2, so that the fulcrum hook 21 of the cover 2 can be stably assembled to the first hook seat 12, and can be used for Instead of the design of the hinge, the cover 2 can be opened and closed. When the cover 2 is placed in the opening 11 (as shown in FIG. 5 to FIG. 7 ), the fixing hook 22 can be snap-fastened to the second hook seat 13 , that is, the second hook portion 222 can be buckled and fixed. The hook hole 131 of the second hook seat 13 allows the cover 2 to be detachably placed at the opening 11, and one side of the hook body 211 can abut against one side of the bump 121.

In this embodiment, the other side of the cover 2 is further provided with a plurality of first stopping portions 24 (as shown in FIG. 1 and FIG. 2 ), and the casing 1 can be disposed near the other side of the opening 11 . The second blocking portion 16 prevents the first blocking portion 24 and the second blocking portions 16 from being mutually positioned when the cover 2 is subjected to the closing operation. Specifically, the first protrusions 24 may be the first protrusions 241, and the second protrusions 16 may be the second protrusions 161. The first protrusions 241 and the second protrusions 161 are mutually blocked. Positioning to prevent the front cover 2 from being displaced before and after.

[Second embodiment]

Referring to FIG. 8 to FIG. 10 , the second embodiment of the present invention is substantially the same as the first embodiment described above, and the difference is mainly that the limiting convex portion 14 and the limiting concave portion 23 in the first embodiment are used with the limiting convex portion. The portion 17 and the limiting recess 25 are realized, that is, the other side of the cover 2 is provided with a plurality of limiting recesses 25, and the housing 1 is provided with a plurality of limiting protrusions 17 on the other side of the opening 11. As shown in FIG. 11 , the cover plate 2 is obliquely assembled in the opening 11 of the casing 1 , and the fulcrum hook 21 is assembled to the first hook seat 12 , that is, the first hook portion 212 can be buckled and fixed. The protrusion 121 of the hook 12 of the card enables the fulcrum hook 21 to be snap-fastened to the first hook holder 12. In addition, two guiding slopes 152 are formed on the two sides of the guiding slot 15 near the guiding slot 151. The spacing between the two guiding slopes 152 is gradually increased from one end to the other end, that is, the spacing between the two guiding slopes 152 is The direction of the opening 11 is gradually increased, so that the guide groove 151 is formed in a bell mouth shape. The fulcrum hook 21 can be assembled to the first hook seat 12 through the guide groove 151 and the guiding of the two guiding slopes 152.

When the cover 2 is subjected to the cover operation, the limit protrusions 17 and the limit recesses 25 abut against each other to prevent the cover 2 from being displaced, so that the fulcrum hook 21 of the cover 2 can be It is stably assembled to the first hook seat 12, and can be used in place of the hinge design, so that the cover 2 can be opened and closed. In addition, the number of the limiting protrusions 17 and the limiting recesses 25 is not limited. In some embodiments, the limiting protrusions 17 and the limiting recesses 25 are provided in a group, in some embodiments. The limiting protrusions 17 and the limiting recesses 25 are provided in a plurality of groups. When the cover 2 is placed in the opening 11 (as shown in FIG. 12), the fixing hook 22 can be snap-fastened to the second hook seat 13, that is, the second hook portion 222 can be buckled and fixed to the second card. The hook hole 131 of the hook seat 13 allows the cover 2 to be detachably placed at the opening 11.

The casing of the present invention is respectively provided with a first hooking seat and a second hooking seat on two sides of the opening, and the casing or the cover is additionally provided with a limiting convex portion, and the supporting hooks are respectively arranged on both sides of the cover And a fixing hook, and the cover or the casing is further provided with a limiting recess. The cover plate is obliquely assembled in the opening of the casing, so that the fulcrum hook is assembled to the first hook seat, and the limiting protrusion is fitted to the limiting recess to avoid displacement of the cover. When the cover is placed in the opening, the fixing hook is fastened to the second hook seat, so that the cover is detachably placed at the opening.

It can be seen from the above that the present invention does not require other additional assembly parts except the casing and the cover plate, and does not need to use screws and hinges, and can quickly disassemble the cover plate without using tools in a limited space. It is also relatively quick to assemble the hinge, and the user can directly remove the cover by simply pulling the fixing hook away, and the disassembly and assembly of the cover is completed in the simplest and quickest manner.

Furthermore, the casing of the present invention can be provided with a guide slot seat beside the first hook seat, and two guide bevels are formed on the two sides of the guide slot near the guide slot, and the pivot hook can pass through the guide slot and two The guiding guides are assembled to the first hook seat so that the cover can be assembled to the casing quickly and accurately.

In addition, the cover plate of the present invention is fixed to the outside of the casing by using the fulcrum hook and the fixed hook, and the positioning mechanism is formed by the arrangement of the first stopping portion and the second stopping portion. It can prevent the external force from colliding and causing looseness.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent changes of the present invention and the contents of the drawings are all included in the scope of protection of the present invention. Within, combined with Chen Ming.

1‧‧‧Shell

11‧‧‧ openings

12‧‧‧First card hook

121‧‧‧Bumps

13‧‧‧Second card hook

131‧‧‧ hook hole

14‧‧‧Limited convex

2‧‧‧ Cover

21‧‧‧ fulcrum hook

211‧‧‧ card body

212‧‧‧ first hook

22‧‧‧Fixed hook

221‧‧‧ Elastomers

222‧‧‧Second Hook

23‧‧‧ Limit recess

Claims (9)

A cover mechanism includes: a casing having an opening, wherein the casing is respectively provided with a first hook seat and a second hook seat on two sides of the opening; the cover plate is respectively provided with a fulcrum on both sides thereof a hook and a fixing hook; and wherein the casing or the cover is provided with a limiting protrusion, the cover or the casing is provided with a limiting recess, and when the cover is assembled in the opening of the casing, the branch The hook is assembled to the first hook and the limiting protrusion is engaged with the limiting recess. When the cover is placed in the opening, the fixing hook is fastened to the second hook. The cover is detachably disposed at the opening; wherein the casing is provided with a guide seat beside the first hook seat, and a guide groove is disposed in the guide seat, and the guide seat is adjacent to the seat Two guiding slopes are formed on two sides of the guiding slot, and the pivoting hooks are assembled to the first hooking seat through the guiding slot and the guiding of the two guiding inclined surfaces. The opening mechanism of claim 1, wherein the limiting protrusion is located at one side of the opening and adjacent to the first hook seat, and the limiting protrusion is formed at an upper end of the guiding seat, and the limiting position is The projection protrudes from the top of the casing. The opening mechanism of claim 2, wherein the limiting recess is disposed on a side of the cover with the fulcrum hook, the limiting recess is located inside the cover, and the limiting recess is a bottom The recessed space is formed in an open shape, and the limiting convex portion is inserted into the limiting recess from bottom to top. The opening mechanism of claim 1, wherein the other side of the cover is provided with a plurality of first stopping portions, and the casing is provided with a plurality of second stopping portions on the other side of the opening, the plurality of A stop portion and the second stop portions are mutually blocked from positioning. The opening mechanism of claim 4, wherein the first blocking portions are first tabs, and the second blocking portions are second tabs. The opening mechanism of claim 1, wherein the limiting protrusion is disposed on the other side of the casing near the opening, and the limiting recess is disposed on the other side of the cover. The opening mechanism of claim 1, wherein the limiting protrusion is disposed on the other side of the cover, and the limiting recess is disposed on the other side of the casing near the opening. The opening mechanism of claim 1, wherein the first hooking seat has a protrusion protruding from a side of the casing, the protruding block is adjacent to the opening, and the fulcrum hook has a hook The first hook portion is connected to the end of the hook body away from the cover, and the first hook portion is fastened to the first hook portion. a bump, and one side of the hook body abuts against one side of the bump. The opening mechanism of claim 1, wherein the second hooking seat has a hook hole recessed on one side of the casing, the fixing hook having an elastic body and a second hook portion, the elasticity The second hook portion is connected to the end of the elastic body away from the cover plate, and the second hook portion is buckled and fixed to the hook hole.