CN216077741U

CN216077741U - Plastic hand board of fan frame

Info

Publication number: CN216077741U
Application number: CN202122634727.3U
Authority: CN
Inventors: 林方毅; 林敬沼; 陈海彬
Original assignee: Fujian Guannuo Model Co ltd
Current assignee: Fujian Guannuo Model Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-03-18
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a plastic hand board with a fan frame, which comprises a base, a fixed cylinder and a lifting rod, wherein a supporting mechanism is arranged at the bottom end of the base; the supporting mechanism comprises a sliding groove, a sliding block, a connecting plate, a bottom plate, a rotating rod and a bidirectional screw rod. The fan rack can randomly adjust the height of the fan rack upwards by pulling the lifting rod upwards, and in the process that the lifting rod moves upwards, the tooth blocks are subjected to the abutting force of the teeth on the toothed plate and the jacking force exerted on the tooth blocks by the springs, so that the tooth blocks can be repeatedly contracted into the grooves or separated from the grooves and clamped with the toothed plate, and the lifting rod after height adjustment can be supported and fixed in real time.

Description

Plastic hand board of fan frame

Technical Field

The utility model relates to the technical field of plastic hand plates, in particular to a plastic hand plate for a fan frame.

Background

Fan bracket hand board is a commonly supporting device who is used for fixed fan, in the use, the high most all can't be adjusted at will of fan bracket hand board, can't carry out high random adjustment to the fan like this, and the shape of the base of most fan bracket hand board is fixed unchangeable, after the high regulation of fan bracket hand board, support fixity to fan bracket hand board can reduce, for this reason we propose a fan bracket plastic hand board and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a plastic hand board for a fan case, which solves the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a plastic hand board with a fan frame comprises a base, a fixed cylinder and a lifting rod, wherein a supporting mechanism is arranged at the bottom end of the base, the fixed cylinder is fixed on the base, the bottom end of the lifting rod is movably inserted into the fixed cylinder, the fan frame is fixedly arranged at the top end of one side of the lifting rod, and a limiting mechanism is arranged at the top end of one side of the fixed cylinder;

the supporting mechanism comprises a sliding groove, sliding blocks, connecting plates, bottom plates, a rotating rod and two-way screws, the sliding groove is formed in the bottom end of the base, one end of the rotating rod penetrates through the base in a rotating mode, one end of the two-way screw is inserted into one inner side of the sliding groove in a rotating mode, the other end of the two-way screw is fixedly connected with the other end of the rotating rod, the number of the sliding blocks, the number of the connecting plates and the number of the bottom plates are two, the two sliding blocks are connected inside the sliding groove in a sliding mode, the two sliding blocks are respectively sleeved on the outer surfaces of the two ends of the two-way screw in a threaded mode, the two connecting plates are respectively fixed at the bottom ends of the two sliding blocks, the two bottom plates are respectively fixed at the bottom ends of the two connecting plates, and the width of the two connecting plates and the width of the two bottom plates are the same as the width of the base;

stop gear includes pinion rack, tooth piece and connecting rod, the spacing groove has been seted up on the opposite side of lifter, the fixed inside of inlaying in the spacing groove of pinion rack, set up flutedly on one of them inboard of solid fixed cylinder, the tooth piece is located the inside of recess and the tooth piece is connected with the pinion rack block, the equal activity in both ends of one side of connecting rod runs through solid fixed cylinder and respectively with the top and the bottom fixed connection of tooth piece one side.

Preferably, one end of the rotating rod is fixedly provided with a rotating block.

Preferably, the bottom ends of the two bottom plates are fixedly provided with rubber pads.

Preferably, bearings are fixedly embedded in the rotary connection position of the rotary rod and the base and the rotary connection position of the bidirectional screw rod and the base.

Preferably, a spring is fixedly arranged in the middle of one side of the tooth block, and one end of the spring is fixedly connected with the middle of one inner side of the groove.

Preferably, the middle part of one side of the connecting rod and the middle part of the inner side of the connecting rod are both fixedly provided with concave sponge blocks, and the concave sponge blocks are matched with each other to form the holding sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. the lifting rod is arranged, the height of the fan frame can be adjusted upwards at will by pulling the lifting rod upwards, and in the process that the lifting rod moves upwards, the tooth block is subjected to the abutting force of teeth on the toothed plate and the jacking force exerted on the tooth block by the spring, so that the tooth block can be retracted into the groove in a reciprocating manner or disengaged from the groove and clamped with the toothed plate, and the lifting rod after height adjustment can be supported and fixed in real time;

2. through the turning block that is equipped with, it is rotatory to drive the rotary rod through rotatory turning block, and the rotary rod drives two-way lead screw rotatory simultaneously, and two-way lead screw drives two sliders at rotatory in-process and keeps away from each other, and two sliders drive two connecting plates and keep away from each other simultaneously, and two connecting plates drive two bottom plates and keep away from each other, and two bottom plates after adjusting through the interval mutually support the fixity to the device, can strengthen.

Drawings

FIG. 1 is a schematic structural diagram of a plastic hand board of a fan case according to the present invention;

FIG. 2 is a schematic cross-sectional view of a plastic hand board for a fan case according to the present invention;

FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;

fig. 4 is a schematic structural diagram of the bidirectional screw rod of the present invention.

In the figure: 1. a base; 2. a fixed cylinder; 3. a lifting rod; 4. a fan frame; 501. a chute; 502. a slider; 503. a connecting plate; 504. a base plate; 505. rotating the rod; 506. a bidirectional lead screw; 507. rotating the block; 508. a rubber pad; 601. a toothed plate; 602. a tooth block; 603. a connecting rod; 604. a spring; 605. concave sponge block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a plastic hand board with a fan frame comprises a base 1, a fixed cylinder 2 and a lifting rod 3, wherein a supporting mechanism is arranged at the bottom end of the base 1, the fixed cylinder 2 is fixed on the base 1, the bottom end of the lifting rod 3 is movably inserted into the fixed cylinder 2, the top end of one side of the lifting rod 3 is fixedly provided with the fan frame 4, and the top end of one side of the fixed cylinder 2 is provided with a limiting mechanism;

the supporting mechanism comprises a sliding groove 501, sliding blocks 502, connecting plates 503, bottom plates 504, a rotating rod 505 and a bidirectional screw 506, the sliding groove 501 is formed in the bottom end of the base 1, one end of the rotating rod 505 rotatably penetrates through the base 1, one end of the bidirectional screw 506 is rotatably inserted into one inner side of the sliding groove 501, the other end of the bidirectional screw 506 is fixedly connected with the other end of the rotating rod 505, two sliding blocks 502, two connecting plates 503 and two bottom plates 504 are respectively arranged, the two sliding blocks 502 are slidably connected inside the sliding groove 501, the two sliding blocks 502 are respectively sleeved on the outer surfaces of two ends of the bidirectional screw 506 in a threaded manner, the two connecting plates 503 are respectively fixed at the bottom ends of the two sliding blocks 502, the two bottom plates 504 are respectively fixed at the bottom ends of the two connecting plates 503, and the width of the two connecting plates 503 and the width of the two bottom plates 504 are the same as the width of the base 1;

stop gear includes pinion rack 601, tooth piece 602 and connecting rod 603, has seted up the spacing groove on the opposite side of lifter 3, and pinion rack 601 is fixed to be inlayed and is established in the inside of spacing groove, sets up flutedly on one of them inboard of solid fixed cylinder 2, and tooth piece 602 is located the inside of recess and tooth piece 602 is connected with pinion rack 601 block, and the both ends of one side of connecting rod 603 all move about and run through solid fixed cylinder 2 and respectively with the top and the bottom fixed connection of tooth piece 602 one side.

As an embodiment of the present invention, a rotating block 507 is fixedly provided at one end of the rotating rod 505, and the rotating rod 505 is conveniently rotated by the rotating block 507.

In one embodiment of the present invention, rubber pads 508 are fixed to the bottom ends of the two bottom plates 504, and the rubber pads 508 are fixed to the bottom ends of the two bottom plates 504, so that the friction between the two bottom plates 504 and the ground can be increased.

As an embodiment of the present invention, bearings are fixedly embedded in the rotational connection between the rotating rod 505 and the base 1 and the rotational connection between the bidirectional screw 506 and the base 1, and bearings are fixedly embedded in the rotational connection between the rotating rod 505 and the base 1 and the rotational connection between the bidirectional screw 506 and the base 1, so that the rotational friction between the rotating rod 505 and the base 1 and the rotational friction between the bidirectional screw 506 and the base 1 can be reduced.

As an embodiment of the present invention, a spring 604 is fixedly disposed in a middle portion of one side of the tooth block 602, one end of the spring 604 is fixedly connected to a middle portion of one inner side of the groove, and the tooth block 602 and the tooth plate 601 are continuously engaged and connected by applying a pushing force to the tooth block 602 through the spring 604.

As an embodiment of the present invention, concave sponge blocks 605 are fixedly disposed in the middle of one side and the middle of the inner side of the connecting rod 603, the two concave sponge blocks 605 are disposed in a matching manner to form a grip, and the grip formed by the two concave sponge blocks 605 in a matching manner can improve the comfort of holding the connecting rod 603.

The working principle is as follows: firstly, the rotating rod 505 is driven to rotate by the rotating block 507, the two-way lead screw 506 is driven to rotate by the rotating rod 505, the two-way lead screw 506 drives the two sliding blocks 502 to be away from each other in the rotating process, the two sliding blocks 502 drives the two connecting plates 503 to be away from each other, the two connecting plates 503 drive the two bottom plates 504 to be away from each other, the two connecting plates 503 after the distance adjustment and the two bottom plates 504 after the distance adjustment are matched with each other, the supporting and fixing performance of the device can be enhanced, then the device can be used, when the height of the fan frame 4 needs to be adjusted upwards, the height of the fan frame 4 can be adjusted at will by pulling the lifting rod 3 upwards, the height of the fan frame 4 can be adjusted upwards at will by pulling the lifting rod 3 upwards, and in the process that the lifting rod 3 moves upwards, the tooth block 602 is subjected to the interference force of the teeth on the tooth plate 601 and a jacking force applied to the tooth block 602 by the spring 604, make the inside that tooth piece 602 can reciprocate shrink the recess or deviate from the inside of recess, and with pinion rack 601 block, like this alright support fixedly in real time to lifter 3 after the altitude mixture control, when the needs are adjusted fan rack 4 highly downwards, drive tooth piece 602 through pulling connecting rod 603 and remove and shrink to the inside of recess, later alright adjust lifter 3 highly downwards, after the regulation, loosen connecting rod 603, at this moment, exert a top force for tooth piece 602 through the spring 604 that is equipped with, make tooth piece 602 deviate from in the recess and be connected and then fix lifter 3 with pinion rack 601 block.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fan frame plastic hand plate comprises a base (1), a fixed cylinder (2) and a lifting rod (3), and is characterized in that a supporting mechanism is arranged at the bottom end of the base (1), the fixed cylinder (2) is fixed on the base (1), the bottom end of the lifting rod (3) is movably inserted into the fixed cylinder (2), a fan frame (4) is fixedly arranged at the top end of one side of the lifting rod (3), and a limiting mechanism is arranged at the top end of one side of the fixed cylinder (2);

the supporting mechanism comprises a sliding groove (501), sliding blocks (502), connecting plates (503), bottom plates (504), a rotating rod (505) and a bidirectional screw rod (506), the sliding groove (501) is formed in the bottom end of the base (1), one end of the rotating rod (505) rotatably penetrates through the base (1), one end of the bidirectional screw rod (506) is rotatably inserted into one inner side of the sliding groove (501), the other end of the bidirectional screw rod (506) is fixedly connected with the other end of the rotating rod (505), the two sliding blocks (502), the two connecting plates (503) and the two bottom plates (504) are respectively provided, the two sliding blocks (502) are respectively and slidably connected into the sliding groove (501), the two sliding blocks (502) are respectively sleeved on the outer surfaces of the two ends of the bidirectional screw rod (506) in a threaded manner, the two connecting plates (503) are respectively fixed at the bottom ends of the two sliding blocks (502), and the two bottom plates (504) are respectively fixed at the bottom ends of the two connecting plates (503), the width of the two connecting plates (503) and the width of the two bottom plates (504) are the same as the width of the base (1);

stop gear includes pinion rack (601), tooth piece (602) and connecting rod (603), the spacing groove has been seted up on the opposite side of lifter (3), pinion rack (601) is fixed to be inlayed and is established in the inside of spacing groove, set up flutedly on one of them inboard of solid fixed cylinder (2), tooth piece (602) are located the inside of recess and tooth piece (602) are connected with pinion rack (601) block, the equal activity in both ends of one side of connecting rod (603) runs through solid fixed cylinder (2) and respectively with the top and the bottom fixed connection of tooth piece (602) one side.

2. The plastic hand board for fan cases as claimed in claim 1, wherein: one end of the rotating rod (505) is fixedly provided with a rotating block (507).

3. The plastic hand board for fan cases as claimed in claim 1, wherein: rubber pads (508) are fixedly arranged at the bottom ends of the two bottom plates (504).

4. The plastic hand board for fan cases as claimed in claim 1, wherein: and bearings are fixedly embedded at the rotary connection part of the rotary rod (505) and the base (1) and the rotary connection part of the bidirectional screw rod (506) and the base (1).

5. The plastic hand board for fan cases as claimed in claim 1, wherein: the middle part of one side of the tooth block (602) is fixedly provided with a spring (604), and one end of the spring (604) is fixedly connected with the middle part of one inner side of the groove.

6. The plastic hand board for fan cases as claimed in claim 1, wherein: concave sponge blocks (605) are fixedly arranged in the middle of one side of the connecting rod (603) and the middle of the inner side of the connecting rod, and the two concave sponge blocks (605) are matched to form a holding sleeve.