TWI511640B - Casing with pressing-type cover plate - Google Patents

Description

Housing with push-on cover

The invention relates to a casing for an electronic device, and more particularly to a casing having a push-on cover.

Generally, the casing of an electronic device needs to use a tool such as a screwdriver or a screwdriver every time the cover is fixed or removed, and the difficulty of disassembling the cover is increased once the user does not have these tools on hand, in order to solve the problem. In terms of tools, the structural design of the casing has been developed in the direction of disassembly and assembly of the cover without the aid of tools.

In the toolless design, the more common way is to use the hand screw instead of the original Phillips screw or the word screw, so that the user can remove the hand screw directly by hand, and another way is to use The finger is pressed by the key provided on the cover to release the locking effect of the cover. However, regardless of which of the above methods, after the locking of the cover is released, the user needs to apply the force of pushing, pushing or lifting upward according to the design to remove the cover, so that the user There are still many inconveniences.

The main object of the present invention is to provide a casing having a push-type cover which is convenient for the user to quickly complete the opening operation.

In order to achieve the above object, the casing of the present invention comprises a base, a cover, and a locking unit. The cover plate is detachably disposed on the base and has a button slot and a a locking portion; the locking unit has a button, a sliding member, and an elastic member, the button is disposed in the button slot of the cover; the sliding member is movably disposed on the base and has a first blocking convex a first positioning groove adjacent to the first blocking protrusion, a second blocking protrusion adjacent to the first positioning groove, and a second positioning groove adjacent to the second blocking protrusion The maximum distance between the second positioning slot and the cover is smaller than the maximum distance between the first positioning slot and the cover; the elastic member is disposed on the sliding member for the sliding member The direction of the locked position is pushed.

According to the above structure, when the sliding member is in a locking position, the locking portion of the cover is located in the first positioning groove of the sliding member and is engaged with the first blocking convex portion of the sliding member. Together, the cover plate is fixed to the base, and when the sliding member is driven by the button to be in an unlocked position, the locking portion of the cover plate is disengaged from the first blocking protrusion of the sliding member and is retained therein. The first positioning groove of the sliding member releases the fixing relationship between the cover and the base. When the sliding member is driven by the button to be in an open position, the locking portion of the cover is located at the The second positioning groove of the sliding member is engaged with the second blocking protrusion of the sliding member to make the cover plate open slightly, so that the cover plate can be conveniently removed.

In the embodiment of the present invention, the bottom end of the button has a pushing inclined surface, and one end of the sliding member has an abutting portion, whereby the button pushes the inclined surface by receiving the pressing force when the button is pressed The abutment of the slider.

In the embodiment of the present invention, the first blocking protrusion of the sliding member has a first guiding inclined surface, and the locking portion of the sliding cover pushes the first guiding inclined surface of the first blocking convex portion of the sliding member, The slider is moved from the locked position to the unlocked position.

In an embodiment of the invention, the second blocking protrusion of the sliding member has a second guiding slope, and when the sliding member moves from the unlocking position to the opening position, the locking portion of the cover slides from the sliding portion The first positioning groove of the piece moves along the second guiding slope of the second blocking protrusion of the sliding member into the second positioning groove of the sliding member.

10‧‧‧Chassis

20‧‧‧ Pedestal

22‧‧‧ bottom wall

24‧‧‧Wall

30‧‧‧ Cover

32‧‧‧ button slot

34‧‧‧Locking Department

40‧‧‧Locking unit

50‧‧‧ button seat

52‧‧‧ button

54‧‧‧Pushing the slope

60‧‧‧First elastic parts

62‧‧‧Second elastic parts

70‧‧‧Fixed tablets

72‧‧‧ Guidance Department

74‧‧‧First hook card department

80‧‧‧Sliding parts

81‧‧‧ guiding slot

82‧‧‧Attendance

83‧‧‧First stop projection

832‧‧‧First guiding slope

84‧‧‧First positioning slot

85‧‧‧Second stop projection

852‧‧‧Second inclined slope

86‧‧‧Second positioning slot

87‧‧‧Second hook card department

90‧‧‧ screws

P1‧‧‧Lock position

P2‧‧‧Unlocked position

P3‧‧‧Opening position

Figure 1 is a perspective assembled view of the present invention.

Figure 2 is an exploded perspective view of the present invention.

Figure 3 is a partial plan view of the present invention, mainly showing the state in which the slider is in the locked position.

Fig. 4 is similar to Fig. 3 and mainly shows the state in which the slider is in the unlocked position.

Fig. 5 is similar to Fig. 4 and mainly shows a state in which the locking portion of the cover plate climbs along the second guide inclined surface of the second stopper projection of the slider.

Fig. 6 is similar to Fig. 5 and mainly shows the state in which the slider is in the open position.

Figure 7 is another partial plan view of the present invention, mainly showing the locking portion of the cover plate abutting against the first guiding slope of the first blocking projection of the slider.

Referring to FIGS. 1 and 2, the casing 10 of the present invention includes a base 20, a cover 30, and two locking units 40.

The base 20 has a bottom wall 22 and a peripheral wall 24, and a bottom edge of the peripheral wall 24 is disposed at a periphery of the bottom wall 22.

The cover plate 30 abuts against the top edge of the peripheral wall 24 of the base 20, and the two corners of the cover plate 30 respectively have a button slot 32, and the opposite sides of the cover plate 30 respectively have a locking portion 34. In the present embodiment, the lock portion 34 is a cylinder that protrudes toward the inside of the base 20.

Since the structures of the two sets of locking units 40 are identical, in order to save space, only one of them will be described here. As shown in FIGS. 2 and 3, the locking unit 40 has a button holder 50, a button 52, a first elastic member 60, a fixing piece 70, a sliding member 80, and a second elastic member 62, wherein: the button The seat 50 is fixed in the button slot 32 of the cover 30, the button 52 is mounted in the button seat 50, and the bottom end of the button 52 protrudes from the bottom end of the button base 50 and has two opposite pushing surfaces 54 (such as the second As shown in Fig. 3, the top end of the button 52 is available for the user to press.

The first elastic member 60 is disposed between the button holder 50 and the button 52 (as shown in FIG. 3) for providing a reset force to the button 52.

The two ends of the fixing piece 70 have a guiding portion 72. The guiding portions 72 are fixed to the peripheral wall 24 of the base 20 by a screw 90. The two ends of the sliding member 80 respectively have a guiding groove 81. The groove 81 is pierced by the guiding portion 72 of the fixing piece 70, and the slider 80 has an abutting portion 82 near one end of the button 52, and the receiving portion 82 abuts against the pushing surface 54 of the button 52 (such as the third As shown in the figure, the slider 80 can be moved relative to the fixed piece 70 by pushing the resisting portion 82 of the slider 80 against the inclined surface 54 of the button 52. As shown in FIG. 3, the top edge of the slider 80 has a first blocking protrusion 83, a first positioning groove 84 adjacent to the first blocking protrusion 83, and a first positioning groove 84. a second blocking protrusion 85 and a second positioning groove 86 adjacent to the second blocking protrusion 85. The first blocking protrusion 83 has a first guiding surface 832 and a second blocking protrusion 85. Having a second guiding slope 852, and the second positioning groove 86 and The maximum distance between the cover plates 30 is smaller than the maximum distance between the first positioning grooves 84 and the cover plate 30, that is, there is a height difference between the first and second positioning grooves 84, 86. In addition, the fixing piece 70 has a first hook portion 74, and the sliding member 80 has a second hook portion 87. The two ends of the second elastic member 62 are respectively hooked on the first hook portion 74 of the fixing piece 70 and slide. The second hook portion 87 of the member 80 enables the second elastic member 62 to provide an elastic force to urge the slider 80 toward the button 52.

As shown in FIG. 3, when the push button 52 has not been applied, the slider 80 is located at a locking position P1, and the locking portion 34 of the cover 30 is located in the first positioning groove 84 of the slider 80 and is simultaneously engaged. The first blocking projection 83 of the slider 80 secures the cover 30 and the base 20 to each other.

As shown in FIG. 4, when the cover 30 is to be opened, the button 52 is first pressed, and the button 52 pushes the abutment portion 82 of the slider 80 by pushing against the inclined surface 54 to lock the slider 80 from the lock. The position P1 is moved to an unlocking position P2. When the sliding member 80 is located at the unlocking position P2, the first blocking protrusion 83 of the sliding member 80 is disengaged from the locking portion 34 of the cover plate 30 to release the gap between the sliding member 80 and the cover plate 30. In the latching relationship, the locking portion 34 of the cover 30 is still held in the first positioning slot 84 of the slider 80, and then the button 52 is continuously depressed, so that the button 52 continues to push the slider 80, as shown in FIG. It is shown that during the movement of the slider 80, the locking portion 34 of the cover 30 is forced to slide from the first positioning groove 84 of the sliding member 80 along the second guiding surface 852 of the second blocking projection 85 of the sliding member 80. The direction of the second positioning groove 86 of the member 80 climbs. When the locking portion 34 of the cover 30 climbs into the second positioning groove 86 of the slider 80, the slider 80 is subjected to the elastic force of the second elastic member 62 toward the button 52. The direction of movement moves and the second blocking projection 85 is engaged with the locking portion 34 of the cover plate 30 to position the slider 80 in an open position. P3 (as shown in Fig. 6), the cover 30 at this time will be slightly opened, and the user can easily remove the cover 30 without using any tools. After removing the cover 30 The slider 80 is again returned to the locking position P1 as shown in FIG. 3 by the elastic force of the second elastic member 62.

On the other hand, when the cover 30 is to be assembled, as shown in FIG. 7, the locking portion 34 of the cover 30 is first abutted against the first guide 832 of the first blocking projection 83 of the slider 80, and then The cover plate 30 is pressed down, and the cover plate 30 at this time pushes the first blocking protrusion 83 of the slider 80 by the locking portion 34 to move the slider 80 from the locking position P1 toward the unlocking position P2. During the movement of the cover 30, the locking portion 34 of the cover 30 moves along the first guiding slope 832 of the first blocking projection 83 of the sliding member 80 toward the first positioning groove 84 of the slider 80, once the cover is closed. When the locking portion 34 of the 30 is moved to the first positioning groove 84 of the slider 80, the slider 80 is returned to the locking position P1 as shown in FIG. 3 by the elastic force of the second elastic member 62, and the slider at this time The first stop projection 83 of the 80 is engaged with the locking portion 34 of the cover 30 to complete the assembly and fixation of the cover 30.

It is added here that the number of the locking units 40 can be reduced to one set. At the same time, the number of the button slots 32 and the locking portions 34 provided on the cover plate 30 can be correspondingly reduced to one, and the technical effect of the present invention can also be achieved.

In summary, the casing 10 of the present invention can achieve the unlocking and auxiliary opening of the cover 30 by pressing the button 52 under the pressing of the button 52, the cover 30 and the sliding member 80. The effect is that the user can quickly complete the opening operation and improve the convenience of operation.

20‧‧‧ Pedestal

22‧‧‧ bottom wall

24‧‧‧Wall

30‧‧‧ Cover

32‧‧‧ button slot

34‧‧‧Locking Department

40‧‧‧Locking unit

50‧‧‧ button seat

52‧‧‧ button

54‧‧‧Pushing the slope

62‧‧‧Second elastic parts

70‧‧‧Fixed tablets

72‧‧‧ Guidance Department

74‧‧‧First hook card department

80‧‧‧Sliding parts

81‧‧‧ guiding slot

82‧‧‧Attendance

90‧‧‧ screws

Claims (9)

A casing having a push-type cover, comprising: a base; a cover plate detachably disposed on the base and having at least one button slot and at least one locking portion; and at least one locking unit having a button a sliding member is disposed in the button slot of the cover plate, and the sliding member is movably disposed on the base and can be driven by the button in a locked position and an unlocked position. And moving between a cover position, the sliding member has a first blocking protrusion, a first positioning slot adjacent to the first blocking protrusion, and a second stop adjacent to the first positioning slot a convex portion, and a second positioning groove adjacent to the second blocking convex portion, wherein a maximum distance between the second positioning groove and the cover plate is smaller than a maximum distance between the first positioning groove and the cover plate, The elastic member is disposed on the sliding member for pushing the sliding member in the locking position; wherein when the sliding member is in the locking position, the locking portion of the sliding member is located in the first positioning slot of the sliding member Inside and between the first blocking convex portion of the sliding member Together, when the sliding member is in the unlocked position, the locking portion of the cover is disengaged from the first blocking protrusion of the sliding member and is retained in the first positioning groove of the sliding member when the sliding member is located In the position of the cover, the locking portion of the cover is located in the second positioning groove of the sliding member and is engaged with the second blocking protrusion of the sliding member. The request item 1 has a casing of a push-type cover, wherein the bottom end of the button has a pushing inclined surface, and one end of the sliding member has an abutting portion, and the receiving portion abuts against the pushing inclined surface of the button. The request item 1 has a casing of a push-type cover, wherein the first blocking protrusion of the sliding member has a first guiding inclined surface, and the locking portion of the sliding cover pushes the first blocking convex portion of the sliding member The first guiding slope moves the slider from the locked position to the unlocked position. The request item 1 has a casing of a push-type cover, wherein the second blocking protrusion of the sliding member has a second guiding slope, and when the sliding member moves from the unlocking position to the opening position, the cover The locking portion moves from the first positioning groove of the sliding member along the second guiding inclined surface of the second blocking protrusion of the sliding member into the second positioning groove of the sliding member. The request item 1 has a casing of a push-type cover, wherein the sliding member has a guiding groove, and the locking unit further has a fixing piece, and the fixing piece has a guiding portion toward a side of the sliding member, the guiding piece The lead portion is inserted into the guiding groove of the sliding member and fixed to the base. The request item 5 has a casing of a push-type cover, wherein the fixing piece has a first hook portion, and the sliding member has a second hook portion, and the two ends of the elastic member are respectively hooked on the fixing piece The first hook portion and the second hook portion of the slider. One of the claims 1 to 6 has a casing of a push-on cover, wherein the locking portion is a cylinder projecting toward the inside of the base. One of the claims 1 to 6 has a casing of a push-on cover, wherein the at least one button slot, the at least one locking portion and the at least one locking unit are both in number. The request item 8 has a casing of a push-type cover, wherein the button slots and the locking portions are disposed on opposite sides of the cover.