CN210319321U

CN210319321U - Hidden projecting apparatus fixing device

Info

Publication number: CN210319321U
Application number: CN201921113142.3U
Authority: CN
Inventors: 陈智夫
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-14
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a hidden projecting apparatus fixing device, including hanging the body, it comprises opening square casing, electric telescopic handle, four-bar combination and traction lever down to hang the body, electric telescopic handle's one end is passed through the bolt and is installed near the top at square casing inside wall, the top of four-bar combination is equipped with the power pole, and is located the bottom and is equipped with the guide bar. The utility model discloses in, be equipped with electric telescopic handle in the location casing, the telescopic link level is placed, and set up the one side at the location casing, be equipped with four-bar linkage in the location casing, four-bar linkage and location casing form parallel hinge four-bar linkage, the one end of four-bar linkage is provided with the bearing part, the bottom of bearing part is provided with the erection joint cover who is connected with the projecting apparatus, electric telescopic handle action drives the rotatory outside that drives projecting apparatus pitch arc route and stretch out square casing of four-bar linkage through the traction lever from this, can conveniently maintain and maintain internal electrical apparatus from this.

Description

Hidden projecting apparatus fixing device

Technical Field

The utility model relates to a projecting apparatus positioning device technical field especially relates to a hidden projecting apparatus fixing device.

Background

A projector is an image projection apparatus having a plate-like shape and is generally installed at an indoor ceiling position by a positioning device.

At present, there are some stealthy positioner in the market, during the leading principle, be shell structure through the mounting panel, the casing is hidden in the furred ceiling, drives the projecting apparatus shrink through the motor drive in the casing and hides in getting into the casing, reaches two hidden efficiency, but still has some not enoughly: the vertical contraction structure is inconvenient for maintaining the inside of the electric appliance inside the shell; the shell does not have the dustproof effect, so that dust enters the projector and is difficult to clean.

Therefore, the utility model provides a hidden projecting apparatus fixing device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve hidden projecting apparatus fixing device, adopt vertical shrink control projecting apparatus to hide and lead to inconvenient maintenance to the internal control electrical apparatus and, positioner does not have the protection and leads to the problem that the interior laying dust of projecting apparatus is difficult to the clearance, and a hidden projecting apparatus fixing device who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a hidden projecting apparatus fixing device, includes and hangs the body, it comprises square casing, electric telescopic handle, four-bar linkage and the traction lever that open side down to hang the body, electric telescopic handle's one end is passed through the bolt and is installed at square casing inside wall and be close to the top, the top of four-bar linkage is equipped with the power rod, and is located the bottom and be equipped with the guide bar, one end and the square casing of power rod and guide bar syntropy are articulated with the relative one side of electric telescopic handle installation lateral wall, and the syntropy other end passes through the bearing part and connects, square casing inside wall is parallel hinge four-bar linkage form with four-bar linkage, electric telescopic handle's the other end is articulated through one side of traction lever and power rod, the fixed installation.

As a further description of the above technical solution:

the method is as follows. The bearing part is provided with a horizontal sleeve with a connecting sleeve connected with the middle part of the bottom surface wall and a connecting sleeve, the number of the guide rods is two, the guide rods are close to two side walls adjacent to the side wall of the hinge point in the square shell, the opposite sides of one ends of the two guide rods close to the bearing part are fixedly connected with a circular shaft, the horizontal sleeve is sleeved on the circular shaft, the outer surface wall of the horizontal sleeve is vertically welded at the middle part of the circular shaft, the auxiliary rod is obliquely distributed and is hinged with one end of the power rod

As a further description of the above technical solution:

the guide bar is when the horizontality and contained angle between the auxiliary rod is the acute angle, the bottom of square casing articulates there is to opening the door, it is equipped with the torsional spring, two to open door and square casing articulated position the perpendicular welding of bottom surface wall of guide bar has dials the board, two dial the board and open the door cooperation and use.

As a further description of the above technical solution:

the bottoms of the two shifting plates are provided with opposite bending edges.

As a further description of the above technical solution:

and the outer surface pipe of the mounting connecting sleeve is screwed with a connecting bolt in a penetrating way.

As a further description of the above technical solution:

the top of the square shell is fixedly connected with a mounting plate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, be equipped with electric telescopic handle in the location casing, the telescopic link level is placed, and set up the one side at the location casing, be equipped with four-bar linkage in the location casing, four-bar linkage and location casing form parallel hinge four-bar linkage, the one end of four-bar linkage is provided with the bearing part, the bottom of bearing part is provided with the erection joint cover who is connected with the projecting apparatus, electric telescopic handle action drives the rotatory outside that drives projecting apparatus pitch arc route and stretch out square casing of four-bar linkage through the traction lever from this, can conveniently maintain and maintain internal electrical apparatus from this.

2. The utility model discloses in, the guide bar quantity that lies in the lower part in the four-bar combination is two, and its bottom vertical welding has two to dial the board, and the bottom of square housing articulates there is the opening door to being equipped with the torsional spring in the articulated point play, opening door under the normality and being in the closure state, having the protection, dirt-proof efficiency, when using, dial the board and stretch out the promotion and open opening the opening door, the projection is followed and is stretched out, utilizes the torsional spring to close when not using.

Drawings

Fig. 1 is a schematic structural view of a hidden projector fixing device according to the present invention;

fig. 2 is a schematic structural diagram of a top view of the four-bar combination and the square housing of the hidden projector fixing device of the present invention;

fig. 3 is the utility model provides a hidden projecting apparatus fixing device open the structural sketch map of left side view to the door.

Illustration of the drawings:

1. a square housing; 2. an electric telescopic rod; 3. four-bar combination; 31. a power rod; 32. a guide bar; 321. a circular shaft; 322. dialing a plate; 33. a bearing part; 331. installing a connecting sleeve; 332. a horizontal casing pipe; 333. an auxiliary lever; 4. a draw bar; 5. opening the door oppositely; 6. a torsion spring; 7. a connecting bolt; 8. and (7) mounting the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a hidden projector fixing device comprises a suspension body, the suspension body is composed of a square shell 1 with a downward opening, an electric telescopic rod 2, a four-bar combination 3 and a draw bar 4, one end of the electric telescopic rod 2 is installed on the inner side wall of the square shell 1 close to the top through a bolt, the top of the four-bar combination 3 is provided with a power rod 31, the bottom of the four-bar combination 3 is provided with a guide rod 32, one end of the power rod 31 and the guide rod 32 in the same direction are hinged with one side of the square shell 1 opposite to the installation side wall of the electric telescopic rod 2, the other end in the same direction is connected with the bearing part 33, the inner side wall of the square shell 1 is in a parallel hinge four-bar mechanism shape with the four-bar combination 3, the other end of the electric telescopic rod 2 is hinged with one side of the power rod 31 through the draw bar 4, the bottom of the bearing part 33 is fixedly, while always being horizontal.

Specifically, as shown in fig. 1 and fig. 2, the bearing portion 33 is provided with two horizontal sleeves 332 having a bottom surface wall and a middle portion connected with the connecting sleeve 331, the number of the guide rods 32 is two and is close to two side walls adjacent to a side wall where a hinge point is located in the square housing 1, a round shaft 321 is fixedly connected to an opposite side of one end of each of the two guide rods 32 close to the bearing portion 33, the horizontal sleeves 332 are sleeved on the round shaft 321, an auxiliary rod 333 which is obliquely distributed and is hinged to one end of the power rod 31 is perpendicularly welded to the middle portion of the outer surface wall of each of the horizontal sleeves 332, and the two guide rods 32 support the auxiliary four-bar.

Specifically, as shown in fig. 1, when the guide rod 32 is in a horizontal state, an included angle between the guide rod 32 and the auxiliary rod 333 is an acute angle, the bottom of the square housing 1 is hinged to the split door 5, a torsion spring 6 is arranged at the hinged position of the split door 5 and the square housing 1, the bottom surface walls of the two guide rods 32 are vertically welded with the shifting plates 322, the two shifting plates 322 are used in cooperation with the split door 5, and the split door 5 is in a closed state when the projector is hidden through the torsion spring 6, so that the protection effect is achieved.

Specifically, as shown in fig. 3, the bottom of the two shifting plates 322 is provided with opposite bending edges, and the opposite bending edges can reduce the friction force on the opposite door 5.

Specifically, as shown in fig. 1, the outer tube of the installation connection sleeve 331 is screwed with the connection bolt 7, so as to be conveniently connected with the projector.

Specifically, as shown in fig. 1, a mounting plate 8 is fixedly connected to the top of the square housing 1, so as to be conveniently connected to a top wall.

The working principle is as follows: when the telescopic arm is used, the electric telescopic rod 2 drives the power rod 31 on the four-rod combination 3 to rotate towards the opening direction of the square shell 1 around the intersection point at the other end through the traction rod 4, the mounting connecting sleeve 331 at the bottom of the horizontal sleeve 332 on the bearing part 33 drives the projector to always keep a horizontal state under the guiding of the guide rod 32, meanwhile, the two shifting plates 322 at the bottom of the guide rod 32 are in contact with the side-by-side door 5, the torsion spring 6 generates torque, the side-by-side door 5 is opened under pressure, and the projector extends out of the square shell 1 and is positioned on one side along with continuous rotation, so that the opening space of the square shell 1 is increased, the maintenance is convenient, and the side-by-side door 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A hidden projector fixing device comprises a suspension body and is characterized in that the suspension body is composed of a square shell (1) with a downward opening, an electric telescopic rod (2), a four-rod combination (3) and a draw bar (4), one end of the electric telescopic rod (2) is installed on the inner side wall of the square shell (1) through a bolt and close to the top, a power rod (31) is arranged at the top of the four-rod combination (3), a guide rod (32) is arranged at the bottom of the power rod, one end of the power rod (31) and the guide rod (32) in the same direction is hinged with one side of the square shell (1) opposite to the installation side wall of the electric telescopic rod (2), the other end of the power rod and the guide rod in the same direction is connected through a bearing part (33), the inner side wall of the square shell (1) and the four-rod combination (3) are in a parallel hinge four-rod mechanism shape, and the other end of the electric telescopic, the bottom of the bearing part (33) is fixedly provided with an installation connecting sleeve (331).

2. A hidden projector fixture as claimed in claim 1, wherein the bearing portion (33) is provided with two horizontal sleeves (332) having bottom surface walls connected to the middle of the mounting connection sleeve (331), the number of the guide rods (32) is two and is close to two side walls adjacent to the side wall where the hinge point is located in the square housing (1), a round shaft (321) is fixedly connected to the opposite side of one end of the two guide rods (32) close to the bearing portion (33), the horizontal sleeves (332) are sleeved on the round shaft (321) and have an auxiliary rod (333) which is obliquely distributed and is hinged to one end of the power rod (31) and is cut off from the middle of the outer surface wall of the horizontal sleeve (332).

3. A hidden projector fixture as claimed in claim 2, wherein the angle between the horizontal guiding rod (32) and the auxiliary rod (333) is an acute angle, the bottom of the square housing (1) is hinged to a side-by-side door (5), the hinged positions of the side-by-side door (5) and the square housing (1) are provided with a torsion spring (6), the bottom surface walls of the two guiding rods (32) are welded with a shifting plate (322), and the two shifting plates (322) are used in cooperation with the side-by-side door (5).

4. A hidden projector fixture as claimed in claim 3, wherein the bottom of the two said plates (322) have opposite bending edges.

5. A hidden projector fixture as claimed in claim 1, wherein the outer tube of the mounting connection sleeve (331) is screwed with a connection bolt (7).

6. A hidden projector fixture as claimed in claim 1, wherein a mounting plate (8) is fixedly connected to the top of the square housing (1).