CN201509888U

CN201509888U - Automatic open-and-close type LCD elevator

Info

Publication number: CN201509888U
Application number: CN200920194578XU
Authority: CN
Inventors: 孙统意
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-09-11
Filing date: 2009-09-11
Publication date: 2010-06-23
Anticipated expiration: 2019-09-11

Abstract

The utility model discloses an automatic open-and-close type LCD elevator comprising a box body, wherein, an elevating mechanism is installed inside the box body, an LCD fixing seat is mounted on the elevating mechanism, a rotatable door cover is arranged at the top of the box body, biasing blocks are hinged with two sides of the top part inside the box body, a supporting pole is arranged at the top ends of the biasing blocks and is in movable contact with the bottom surface of the door cover, a connecting rod is hinged with the bottom parts of the biasing blocks, the bottom end of the connecting rod is arranged inside a sliding chute inside the box body, the bottom ends of the connecting rod are connected through a feeler lever, a spring is connected onto the connecting rod, and the other end of the spring is connected with the side wall of the box body. The door cover provided by the utility model can automatically open and close without extra operation and electric connection as the elevator moves, is simple in structure, and is very convenient. Furthermore, the connecting rod adopts an upper-and-lower two-segment type movable connection structure, with a travel switch arranged at the joint to prevent hands from being pinched, thereby making the utility model more practical.

Description

A kind of automatic open-close type LCDs lifter

Technical field

The utility model relates to lifter, particularly a kind of LCDs lifter.

Background technology

Current, the LCDs lifter has obtained extensive use in all kinds of occasions.Its inside is provided with elevating mechanism, and LCDs is affixed to is hidden in the lifter box house on the elevating mechanism, and LCDs can move up and down with elevating mechanism.When needs used LCDs to demonstrate, the control elevating mechanism rose, and LCDs is sent rise to the lifter top, demonstrates; After demonstration finished, the control elevating mechanism descended, and LCDs is taken in the lifter, accomplishes that space outerpace is elegant in appearance, and the protection LCDs is not subjected to unexpected collision or damages, and effectively preventing the influence to LCDs such as dust.But present all kinds of LCDs are when needs are demonstrated, and the door closure that needs manually opened its top to shield stretches out to make things convenient for the moving liquid crystal display of lifter holder in the casing; Finish in demonstration, treat that liquid crystal display is regained after, this door closure of manual-lock needs the manual intervention operation again, causes inconvenience to the user.

The utility model content

In order to solve the above problems, the purpose of this utility model is to provide a kind of LCDs lifter that the top door closure opens and closes of can finishing automatically in use.

The technical scheme that the invention for solving the technical problem adopted is:

A kind of automatic open-close type LCDs lifter, comprise casing, in the described casing elevating mechanism is installed, the LCDs holder is installed on the described elevating mechanism, the top of described casing is provided with rotating door closure, described casing inner top both sides are hinged with inclined to one side motion block, described inclined to one side motion block top is provided with pole and movably contacts with the bottom surface of described door closure, described inclined to one side motion block bottom-hinged has connecting rod, described connecting rod bottom is positioned at the chute of described casing, and described connecting rod bottom links to each other by feeler lever, be connected with spring on the described connecting rod, the described spring other end links to each other with wall box, when described feeler lever is depressed into lower limit by the LCDs holder, described spring is in extended state, and described pole is positioned at lower limit.

As improvement of the technical scheme, described connecting rod can be dynamically connected by last connecting rod and lower link, and is provided with travel switch in the junction.

As further improvement in the technical proposal, described pole is provided with pulley.

The beneficial effects of the utility model are: because the utility model uses by inclined to one side motion block, connecting rod, feeler lever, the connecting rod resetting-mechanism that spring and pole are formed, when not needing to demonstrate, be that LCDs need be taken in lifter when inner, because the LCDs holder can descend, final feeler lever can be depressed into lower limit by the LCDs holder, at this moment, connecting rod also can move down, and is positioned at the lower limit position, and spring then is stretched, and partially motion block since the pulling function of connecting rod deflect, make pole rotate, be positioned at its upper limit position, in this process along camber line, pole will promote the door closure revolution of contact with it, finally be in closed condition, with whole box body sealing, the purpose that door closure is closed when realizing not demonstrating; When needing demonstration on the contrary, because the LCDs holder can rise with the lifter operation, feeler lever can not be subjected to downward power effect, and can reset the spring this moment that is in extended state, makes connecting rod get back to original state, and spur inclined to one side motion block and rotate, make pole turn to the lower limit position, the door closure that no pole is supported can rotate owing to moment loading, in opened condition, make LCDs can reach the casing outside, carry out demonstration work.In sum, the utility model door closure can be realized open and close automatically with the motion of lifter, and is simple in structure, do not need operation bidirectional, need not electronic connection, very convenient.In addition, link design is become the movable syndeton of two sections formula, and a travel switch is set, can play anti-tong effect, make the utility model product more practical in the junction.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples:

Fig. 1 is the utility model structural representation;

Fig. 2 is that the utility model lifter is provided with the travel switch structure schematic diagram.

The specific embodiment

With reference to Fig. 1, a kind of automatic open-close type LCDs lifter of the present utility model, comprise casing 1, in the described casing 1 elevating mechanism 2 is installed, on the described elevating mechanism 2 LCDs holder 21 is installed, the top of described casing 1 is provided with rotating door closure 11, described casing 1 inner top both sides are hinged with inclined to one side motion block 3, described inclined to one side motion block 3 tops are provided with pole 31 and movably contact with the bottom surface of described door closure 11, described inclined to one side motion block 3 bottom-hinged have connecting rod 4, described connecting rod 4 bottoms are positioned at the chute 12 of described casing 1, and described connecting rod 4 bottoms are continuous by feeler lever 5, are connected with spring 6 on the described connecting rod 4, described spring 6 other ends link to each other with casing 1 sidewall, when described feeler lever 5 was depressed into lower limit by LCDs holder 21, described spring 6 was in extended state, and described pole 31 is positioned at lower limit.When not needing to demonstrate, be that LCDs need be taken in lifter when inner, because the LCDs holder can descend, final feeler lever can be depressed into lower limit by the LCDs holder, at this moment, connecting rod also can move down, and is positioned at the lower limit position, and spring then is stretched, and partially motion block since the pulling function of connecting rod deflect, make pole rotate, be positioned at its upper limit position, in this process along camber line, pole will promote the door closure revolution of contact with it, finally be in closed condition, with whole box body sealing, the purpose that door closure is closed when realizing not demonstrating; When needing demonstration on the contrary, because the LCDs holder can rise with the lifter operation, feeler lever can not be subjected to downward power effect, and can reset the spring this moment that is in extended state, makes connecting rod get back to original state, and spur inclined to one side motion block and rotate, make pole turn to the lower limit position, the door closure that loses the pole support can rotate owing to moment loading, in opened condition, make LCDs can reach the casing outside, carry out demonstration work.In sum, the utility model door closure can be realized open and close automatically with the motion of lifter, and is simple in structure, mustn't operation bidirectional, need not electronic connection, and very convenient.

With reference to figure 2, described connecting rod 4 can be dynamically connected by last connecting rod 41 and lower link 42, is provided with travel switch 43 in the junction.When door closure 11 is closing when not putting in place fully in the closed procedure if meet obstructions suddenly, such as staff this moment also the opening part at the casing top hindered the motion of door closure 11, the junction of last connecting rod and lower link has relative displacement and produces, travel switch can be opened this moment, the operation of control lifter, or make its stop motion, or make its inverted running, specifically can set by actual requirement.

As preferred implementation, described pole 31 is provided with pulley 32.This pulley is installed is effectively reduced resistance between

pole

31,31 and the door closure, make that the switching of the utility model door closure 11 is more light steadily, and long-time use can not scratch door closure 11 surfaces.

Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite of the utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.

Claims

1. automatic open-close type LCDs lifter, comprise casing (1), elevating mechanism (2) is installed in the described casing (1), LCDs holder (21) is installed on the described elevating mechanism (2), the top of described casing (1) is provided with rotating door closure (11), it is characterized in that: described casing (1) inner top both sides are hinged with inclined to one side motion block (3), described inclined to one side motion block (3) top is provided with pole (31) and movably contacts with the bottom surface of described door closure (11), described inclined to one side motion block (3) bottom-hinged has connecting rod (4), described connecting rod (4) bottom is positioned at the chute (12) of described casing (1), and described connecting rod (4) bottom links to each other by feeler lever (5), be connected with spring (6) on the described connecting rod (4), described spring (6) other end is connected with casing (1) sidewall, when described feeler lever (5) by LCDs holder (21) when being depressed into lower limit, described spring (6) is in extended state, and described pole (31) is positioned at lower limit.

2. automatic open-close type LCDs lifter according to claim 1 is characterized in that: described connecting rod (4) can be dynamically connected by last connecting rod (41) and lower link (42), is provided with travel switch (43) in the junction.

3. automatic open-close type LCDs lifter according to claim 1 is characterized in that: described pole (31) is provided with pulley (32).