CN212178460U

CN212178460U - Multimedia display equipment hoisting device

Info

Publication number: CN212178460U
Application number: CN202020451589.8U
Authority: CN
Inventors: 李西
Original assignee: Chengdu Jingcheng Enoch Polytron Technologies Inc
Current assignee: Chengdu Jingcheng Enoch Polytron Technologies Inc
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-12-18
Anticipated expiration: 2030-03-31

Abstract

The utility model provides a multimedia display equipment hoisting device, which comprises a projector; the clamping device comprises a connecting plate, a clamp is arranged below the connecting plate and comprises two oppositely arranged clamping grooves, the clamping grooves are connected with a driving mechanism, the driving mechanism comprises a pushing mechanism and a quick release mechanism, the pushing mechanism is used for driving the two clamping grooves to be close to or far away from each other, the quick release mechanism comprises a ratchet wheel and a non-return pawl, the ratchet wheel is connected with the clamping grooves through a transmission mechanism, a first reset mechanism is arranged on the ratchet wheel, the ratchet wheel is meshed with the non-return pawl, the non-return pawl is connected with the connecting plate through a telescopic rod, and the telescopic rod is parallel to the axis of the ratchet wheel. This application passes through drive mechanism and connects draw-in groove and ratchet, carries out the block through first canceling release mechanical system and pushing mechanism control draw-in groove to the projecting apparatus to realize quick will install and dismantle the projecting apparatus.

Description

Multimedia display equipment hoisting device

Technical Field

The utility model relates to a multimedia display equipment field, concretely relates to multimedia display equipment hoist device.

Background

A projector is a common multimedia display device, which can project images or videos onto a screen, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals. Projectors are widely used in homes, offices, schools and entertainment venues.

Hoisting the projector is a conventional way for placing the projector, in the prior art, the projector is usually fixed on the connecting plate in a bolt manner, and then hoisted through the connecting plate, but the projector is difficult to disassemble and assemble when being installed through the bolt, but the problems are needed to be solved in the field.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a multimedia display equipment hoist device that can quick assembly disassembly projecting apparatus.

In order to solve the technical problem, the utility model provides a scheme is: a multimedia display device hoisting device comprises a projector; and

the clamping device comprises a connecting plate, a clamp is arranged below the connecting plate and comprises two oppositely arranged clamping grooves, the clamping grooves are connected with a driving mechanism, the driving mechanism comprises a pushing mechanism and a quick release mechanism, the pushing mechanism is used for driving the two clamping grooves to be close to or far away from each other, the quick release mechanism comprises a ratchet wheel and a non-return pawl, the ratchet wheel is connected with the clamping grooves through a transmission mechanism, a first reset mechanism is arranged on the ratchet wheel, the ratchet wheel is meshed with the non-return pawl, the non-return pawl is connected with the connecting plate through a telescopic rod, and the telescopic rod is parallel to the axis of the ratchet wheel.

Further, the method comprises the following steps: the transmission mechanism comprises a rack, a gear and a linkage shaft, the rack is connected with the clamping groove and extends along the movement direction of the clamping groove, the gear is in rotating fit below the connecting plate and meshed with the rack, and the gear is connected with the ratchet wheel through the linkage shaft.

Further, the method comprises the following steps: the first reset mechanism is a torsion spring.

Further, the method comprises the following steps: the telescopic rod resetting mechanism further comprises a second resetting mechanism, and the second resetting mechanism is used for driving the telescopic rod to reset.

Further, the method comprises the following steps: the second reset mechanism is a spring sleeve sleeved on the telescopic rod, and the spring sleeve is used for driving the telescopic rod to push the non-return pawl to be meshed with the ratchet wheel.

Further, the method comprises the following steps: the pushing mechanism comprises a threaded rod and a sliding rail arranged below the connecting plate, the clamping grooves are respectively in sliding fit with two ends of the sliding rail, a threaded hole is formed in one side, away from each other, of the clamping groove on the connecting plate, the threaded rod is in threaded connection with the threaded hole, and the end portion of the threaded rod is in running fit with the clamping grooves.

The utility model has the advantages that: this application passes through drive mechanism and connects draw-in groove and ratchet, carries out the block through first canceling release mechanical system and pushing mechanism control draw-in groove to the projecting apparatus to realize quick will install and dismantle the projecting apparatus.

Drawings

FIG. 1 is a general schematic of the present application;

FIG. 2 is a schematic view of a transmission mechanism;

the reference numbers are as follows: the projector comprises a projector 1, a connecting plate 2, a clamping groove 3, a ratchet wheel 41, a non-return pawl 42, an expansion link 43, a rack 51, a gear 52, a linkage shaft 53 and a threaded rod 6.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific embodiments so that those skilled in the art may better understand the present invention and practice it.

The following discloses many different embodiments or examples for implementing the subject technology described. In order to simplify the disclosure, a specific example of one or more permutations of the features is described below, but the present disclosure is not limited to the specific example, and the first feature described later in the specification may be connected to the second feature in a direct connection, or may include an embodiment forming an additional feature, and further, may include the use of one or more other intervening features to connect or combine the first feature and the second feature indirectly with each other so that the first feature and the second feature may not be directly connected.

As shown in fig. 1 and 2, a multimedia display device lifting apparatus includes a projector 1 and a clamping device, wherein the clamping device is used for connecting with a suspension rod, the top of the suspension rod is fixed with a ceiling, and the projector 1 is lifted on the ceiling through the clamping device and the suspension rod.

As shown in fig. 1, specifically, the engaging device includes a connecting plate 2, a fixture is disposed below the connecting plate 2, the fixture includes two oppositely disposed slots 3, the slots 3 are connected to an actuating mechanism, the actuating mechanism includes a pushing mechanism and a quick release mechanism, the pushing mechanism is used for driving the two slots 3 to be close to or away from each other, in an embodiment, the pushing mechanism includes a threaded rod 6 and a slide rail fixed below the connecting plate 2, the slots 3 are respectively in sliding fit with two ends of the slide rail, the end of the threaded rod 6 is in running fit with the slots 3 through a bearing, a guide plate is fixed on one side of the connecting plate 2, which is located below the slots 3 and is away from each other, a threaded hole is formed in the guide plate, and the threaded.

As shown in fig. 2, the card slot 3 is connected with a ratchet wheel 41 through a transmission mechanism, a first reset mechanism is installed on the ratchet wheel 41, the ratchet wheel 41 is engaged with a non-return pawl 42, the non-return pawl 42 is connected with the connecting plate 2 through an expansion link 43, and the expansion link 43 is parallel to the axis of the ratchet wheel 41. In one embodiment, the transmission mechanism comprises a rack 51, a gear 52 and a linkage shaft 53, the rack 51 is connected with the card slot 3, the extension direction of the rack 51 is the movement direction of the card slot 3, the gear 52 is rotatably matched below the connecting plate 2 and meshed with the rack 51, and the rotating shaft of the gear 52 is connected with the ratchet wheel 41 through the linkage shaft 53. The first reset mechanism can be, but is not limited to, a torsion spring, and when the first reset mechanism is a torsion spring, it can be installed on the rotating shaft of the gear 52, the linkage shaft 53 or the rotating shaft of the ratchet wheel 41.

In some embodiments, a second return mechanism is further included for urging the telescoping rod 43 to return. Specifically, the second reset mechanism may be a spring sleeve sleeved on the telescopic rod 43, and the spring sleeve is used for driving the telescopic rod 43 to push the non-return pawl 42 to engage with the ratchet 41.

The specific working principle of the application is as follows: when the projector 1 is hoisted, the projector 1 is placed between the two clamping grooves 3, the two clamping grooves 3 are pushed to be close to each other through the pushing mechanism, so that the projector 1 is clamped in the clamping grooves 3, when the card slot 3 is pushed, the rack 51 moves along with the card slot 3, thereby driving the ratchet wheel 41 to rotate, locking the ratchet wheel 41 by the non-return pawl 42, so that the slot 3 can be limited, when the projector 1 needs to be disassembled, the non-return pawl 42 is pushed along the axial direction of the ratchet wheel 41, under the drive of the telescopic rod 43, the non-return pawl 42 is disengaged from the gear 52, the ratchet wheel 41 is reset under the drive of the first reset mechanism, thereby driving the clamping groove 3 to reset, enabling the projector 1 to be quickly separated from the clamping groove 3, after the projector 1 is disassembled, when the telescopic rod 43 is released, the telescopic rod 43 drives the non-return pawl 42 to be meshed with the ratchet wheel 41 again under the reset action of the second reset mechanism.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A multimedia display equipment hoisting device is characterized by comprising a projector; and

2. The lifting device for multimedia display equipment as claimed in claim 1, wherein the transmission mechanism comprises a rack, a gear and a linkage shaft, the rack is connected with the slot and extends along the moving direction of the slot, the gear is rotationally fitted below the connecting plate and meshed with the rack, and the gear is connected with the ratchet wheel through the linkage shaft.

3. The multimedia display device lifting apparatus of claim 1 or 2, wherein the first return mechanism is a torsion spring.

4. The lifting device for multimedia display equipment according to claim 1, further comprising a second resetting mechanism for driving the telescopic rod to reset.

5. The lifting device for multimedia display equipment according to claim 4, wherein the second returning mechanism is a spring sleeve sleeved on the telescopic rod, and the spring sleeve is used for driving the telescopic rod to push the check pawl to engage with the ratchet wheel.

6. The lifting device of claim 1, wherein the pushing mechanism comprises a threaded rod and a slide rail disposed below the connecting plate, the slots are slidably engaged with two ends of the slide rail, a threaded hole is disposed on the connecting plate on a side where the slots are away from each other, the threaded rod is in threaded connection with the threaded hole, and an end of the threaded rod is rotatably engaged with the slots.