CN220526174U

CN220526174U - Projection curtain frame

Info

Publication number: CN220526174U
Application number: CN202321772708.XU
Authority: CN
Inventors: 朱海峰
Original assignee: Changzhou Huiying Digital Technology Co ltd
Current assignee: Changzhou Huiying Digital Technology Co ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-02-23
Anticipated expiration: 2033-07-07

Abstract

The utility model discloses a projection curtain frame which comprises a telescopic support rod, an upper support piece, a lower support piece and a connecting component, wherein the upper support piece is sleeved on the telescopic support rod and is in sliding connection with the telescopic support rod, the lower support piece is arranged at the bottom of the telescopic support rod, three support legs are arranged at the bottom of the telescopic support rod and are uniformly distributed in a ring shape, the top ends of the three support legs are hinged with the upper support piece, connecting rods in rotary connection are arranged on two sides of the middle part of the support legs, one end of each connecting rod, far away from the support leg, is in rotary connection with the lower support piece, a lifting handle is arranged on one side of the upper support piece, the connecting component is arranged at the top of the telescopic support rod, and the connecting component is used for being movably connected with the projection curtain. The projection curtain frame is convenient to store and carry.

Description

Projection curtain frame

Technical Field

The utility model relates to a projection curtain frame, and belongs to the technical field of projection equipment.

Background

The projection curtain is used in the fields of movies, offices, large conferences and the like, and is used in combination with a projector, and a tool for displaying images and video files is generally provided with a corresponding bracket for fixing the projection curtain.

The traditional projection curtain frame is a fixed frame, the occupied area is large, the projection curtain frame cannot be converted into a smaller state to be stored when not in use, and the projection curtain frame does not have a handle structure, so that the phenomenon of clamping is easy to occur when supporting legs are unfolded or folded, the user is injured, the defects that the supporting legs are folded and unfolded inconveniently exist, and the projection curtain frame is inconvenient to transport and carry are overcome.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a projection curtain frame which is convenient to store and carry.

The utility model provides a technical scheme for solving the technical problems, which is as follows: the utility model provides a projection curtain frame, includes telescopic prop, goes up supporting part, lower supporting part and coupling assembling, go up the supporting part cover and establish telescopic prop is last and with telescopic prop sliding connection, lower supporting part is established telescopic prop's bottom, telescopic prop's bottom is equipped with three supporting legs, and three supporting legs are annular evenly distributed, and the top of three supporting legs all articulates with last supporting part, the middle part both sides of supporting legs all are equipped with the connecting rod that rotates to be connected, the connecting rod is kept away from the one end and the lower supporting part rotation of supporting legs are connected, it is equipped with the handle to go up supporting part one side, coupling assembling establishes at telescopic prop's top, coupling assembling is used for with projection curtain swing joint.

The bottom of three supporting legs all is equipped with slipmat, slipmat and supporting leg fixed connection.

The lower end of the handle is provided with a sliding ring, the sliding ring is fixedly connected with the handle, the sliding ring is in sliding connection with the telescopic supporting rod, and the sliding ring is positioned below the upper supporting piece.

The upper ends of the three supporting feet are rotationally connected with the upper supporting piece through an adjusting assembly, and the adjusting assembly comprises an adjusting screw, an adjusting knob on one side of the adjusting screw and a nut on the other side of the adjusting screw.

The top of telescopic strut is equipped with spacing subassembly, spacing subassembly includes the bottom plate, the top surface of bottom plate laminating telescopic strut, and the top symmetry of bottom plate is equipped with two limiting plates, two all be equipped with spacing hole in the limiting plate, be equipped with stop bolt in the spacing hole, stop bolt's link is equipped with fixation nut.

The connecting assembly is arranged on the front face of the limiting assembly, and the connecting assembly is fixedly connected with the limiting assembly through a limiting bolt and a fixing nut.

The connecting assembly comprises a connecting seat and four connecting rods, wherein installation clamping grooves are formed in two sides of the connecting seat, four installation clamping grooves are formed in the four installation clamping grooves, one end of each connecting rod is connected with the connecting seat in a clamping mode through the four installation clamping grooves, and the other end of each connecting rod is provided with a connecting piece and is movably connected with the projection curtain through the connecting assembly.

The utility model has the positive effects that:

according to the projection curtain frame, the lifting handles are arranged on the upper supporting piece, when the supporting legs are required to be unfolded, the supporting legs can be unfolded only by pushing the lifting handles downwards, when the supporting legs are required to be folded, the supporting legs can be folded only by pushing the lifting handles upwards, the unfolding and folding operation of the supporting legs are convenient, and the phenomenon of clamping the supporting legs in the unfolding or folding process of the supporting legs can be effectively avoided, so that the damage to a user can be avoided.

According to the projection curtain frame, the anti-slip pads are arranged at the bottom ends of the three supporting legs and fixedly connected with the supporting legs, so that the supporting legs can play a role in slip prevention when supported on the ground, and the stability of the projection curtain frame in use is improved.

According to the projection curtain frame, the limiting component and the connecting component are arranged at the top of the telescopic supporting rod, and the connecting component is detachable through the arrangement of the limiting bolt and the fixing nut, so that the connecting component can be limited and fixed when the connecting component is installed on the limiting component, and the projection curtain frame is convenient to transport and carry.

Drawings

The projection curtain frame of the present utility model is further described below with reference to the accompanying drawings.

Fig. 1 is a schematic perspective view of a first view angle of a projection curtain frame after being unfolded according to the present embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic perspective view of a second view angle of the projection curtain frame after being unfolded according to the present embodiment;

FIG. 4 is a schematic perspective view showing the projection curtain frame of the present embodiment after folding and with the connection assembly removed;

fig. 5 is a schematic structural diagram of a limiting assembly and a connecting assembly of the projection curtain frame of the present embodiment.

The above reference numerals are as follows:

a telescopic strut 1; a limiting component 2; a bottom plate 201; a limiting plate 202; a limiting hole 203; a limit bolt 204; a fixing nut 205; a connection assembly 3; a connection base 301; mounting a card slot 302; a connecting rod 303; a connecting member 304; an upper support 4; a lower support 5; a support leg 6; a non-slip pad 601; a connecting rod 7; a handle 8; a slip ring 9; the assembly 10 is adjusted.

Detailed Description

Examples

See fig. 1 to 5, the projection curtain frame of this embodiment, including telescopic strut 1, go up supporting piece 4, lower supporting piece 5 and coupling assembling 3, go up supporting piece 4 cover and establish on telescopic strut 1 and with telescopic strut 1 sliding connection, lower supporting piece 5 is established in telescopic strut 1's bottom, telescopic strut 1's bottom is equipped with three supporting legs 6, and three supporting legs 6 are annular evenly distributed, the top of three supporting legs 6 all articulates with last supporting piece 4, the middle part both sides of supporting legs 6 all are equipped with the connecting rod 7 of swivelling joint, the one end that supporting legs 6 was kept away from to connecting rod 7 is swivelling joint with lower supporting piece 5, go up supporting piece 4 one side and be equipped with handle 8, coupling assembling 3 establishes at telescopic strut 1's top, coupling assembling 3 is used for with projection curtain swing joint.

In order to improve the functionality of the device, the bottom ends of the three supporting legs 6 are all provided with anti-slip pads 601, and the anti-slip pads 601 are fixedly connected with the supporting legs 6.

In order to improve the practicability of the device, the lower end of the lifting handle 8 is provided with a sliding ring 9, the sliding ring 9 is fixedly connected with the lifting handle 8, the sliding ring 9 is in sliding connection with the telescopic support rod 1, and the sliding ring 9 is positioned below the upper support piece 4.

The upper ends of the three supporting legs 6 are rotatably connected with the upper supporting piece 4 through an adjusting assembly 10, and the adjusting assembly 10 comprises an adjusting screw, an adjusting knob on one side of the adjusting screw and a nut on the other side of the adjusting screw.

Through setting up handle 8 on last support piece 4, when needs expand supporting legs 6, only need push down handle 8 can make supporting legs 6 expand, when needs draw in supporting legs 6, only need upwards push handle 8 can make supporting legs 6 draw in, the expansion of supporting legs 6 has been realized and convenient operation is drawn in, and because handle 8 sets up 4 on last support piece, the phenomenon of tong appears in supporting legs 6 can effectively be avoided in the in-process that supporting legs 6 expand or draw in, thereby can avoid causing the injury to the user, in addition, because handle 8 sets up on last support piece 4, in the back can directly carry the projection curtain frame through handle 8 after upwards pushing handle 8 makes supporting legs 6 draw in, thereby can be convenient for the transportation and the carrying of projection curtain frame.

The top of telescopic strut 1 is equipped with spacing subassembly 2, and spacing subassembly 2 includes bottom plate 201, and the top surface of telescopic strut 1 is laminated to the bottom surface of bottom plate 201, and the top symmetry of bottom plate 201 is equipped with two limiting plates 202, all is equipped with spacing hole 203 in two limiting plates 202, is equipped with spacing bolt 204 in the spacing hole 203, and the link of spacing bolt 204 is equipped with fixation nut 205.

The connecting component 3 is arranged on the front surface of the limiting component 2, and the connecting component 3 is fixedly connected with the limiting component 2 through a limiting bolt 204 and a fixing nut 205.

The connecting assembly 3 comprises a connecting seat 301 and four connecting rods 303, wherein mounting clamping grooves 302 are formed in two sides of the connecting seat 301, four mounting clamping grooves 302 are formed in the four connecting rods, one end of each connecting rod 303 is clamped with the connecting seat 301 through the corresponding mounting clamping groove 302, a connecting piece 304 is arranged at the other end of each connecting rod 303, and the connecting rods are movably connected with the projection curtain through the connecting assembly 3.

The bottoms of the three supporting legs 6 are respectively provided with the anti-slip pad 601, and the anti-slip pads 601 are fixedly connected with the supporting legs 6, so that the supporting legs 6 can play a role in anti-slip when supported on the ground, and the stability of the anti-slip support is improved when the anti-slip support is used;

through being equipped with spacing subassembly 2 and coupling assembling 3 at telescopic branch 1 top, through the setting of spacing bolt 204 and fixation nut 205 for coupling assembling 3 is detachable, can be spacing and fixed coupling assembling 3 when spacing subassembly 2 installs coupling assembling 3, the transportation and the carrying of projection curtain frame of being convenient for.

It should be understood that the above-described embodiments are merely examples for clearly illustrating the embodiments of the present utility model, and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While remaining within the scope of the utility model, obvious variations or modifications are incorporated by reference herein.

Claims

1. The utility model provides a projection curtain frame, its characterized in that, include telescopic prop (1), go up supporting part (4), lower supporting part (5) and coupling assembling (3), go up supporting part (4) cover and establish on telescopic prop (1) and with telescopic prop (1) sliding connection, lower supporting part (5) are established the bottom of telescopic prop (1), the bottom of telescopic prop (1) is equipped with three supporting legs (6), and three supporting legs (6) are annular evenly distributed, and the top of three supporting legs (6) all articulates with last supporting part (4), the middle part both sides of supporting legs (6) all are equipped with connecting rod (7) that rotate to be connected, one end and lower supporting part (5) that supporting legs (6) were kept away from to connecting rod (7) rotate to be connected, go up supporting part (4) one side and be equipped with handle (8), coupling assembling (3) are established at the top of telescopic prop (1), coupling assembling (3) are used for with projection curtain swing joint.

2. The projection curtain frame according to claim 1, characterized in that the bottom ends of the three supporting feet (6) are provided with anti-slip pads (601), and the anti-slip pads (601) are fixedly connected with the supporting feet (6).

3. The projection curtain frame according to claim 1, characterized in that the lower end of the handle (8) is provided with a sliding ring (9), the sliding ring (9) is fixedly connected with the handle (8), the sliding ring (9) is slidably connected with the telescopic strut (1), and the sliding ring (9) is located below the upper supporting piece (4).

4. The projection curtain frame according to claim 2, characterized in that the upper ends of the three support feet (6) are rotatably connected with the upper support (4) by means of an adjusting assembly (10), said adjusting assembly (10) comprising an adjusting screw, an adjusting knob on one side of the adjusting screw and a nut on the other side of the adjusting screw.

5. The projection curtain frame according to claim 1, wherein a limiting component (2) is arranged at the top of the telescopic support rod (1), the limiting component (2) comprises a bottom plate (201), the bottom surface of the bottom plate (201) is attached to the top surface of the telescopic support rod (1), two limiting plates (202) are symmetrically arranged at the top of the bottom plate (201), limiting holes (203) are formed in the two limiting plates (202), limiting bolts (204) are arranged in the limiting holes (203), and fixing nuts (205) are arranged at the connecting ends of the limiting bolts (204).

6. The projection curtain frame according to claim 5, wherein the connecting component (3) is disposed on the front surface of the limiting component (2), and the connecting component (3) is fixedly connected with the limiting component (2) through a limiting bolt (204) and a fixing nut (205).

7. The projection curtain frame according to claim 6, wherein the connecting component (3) comprises a connecting seat (301) and four connecting rods (303), mounting clamping grooves (302) are formed in two sides of the connecting seat (301), four mounting clamping grooves (302) are formed in one end of each connecting rod (303) in a clamping mode through the four mounting clamping grooves (302) and the connecting seat (301), and connecting pieces (304) are arranged at the other ends of the connecting rods (303) and are movably connected with the projection curtain through the connecting component (3).