CN-224211096-U - Folding pre-trailer

CN224211096UCN 224211096 UCN224211096 UCN 224211096UCN-224211096-U

Abstract

The folding pre-trailer comprises a movable chassis, an installation chassis, swinging frames, pre-hanging frames and hinging seats, wherein the bottom of the installation chassis can be arranged on the movable chassis, the hinging seats are respectively arranged at the tops of the left end and the right end of the installation chassis, the hinging position of the hinging seat at one end of the installation chassis is lower than the hinging position of the hinging seat at the other end of the installation chassis, inserting grooves are respectively formed in the bottoms of the left end and the right end of the pre-hanging frames, one ends of the two swinging frames can be arranged on the hinging seats in a swinging mode, and the other ends of the two swinging frames can be detachably arranged in the inserting grooves. According to the utility model, the folding pre-trailer is provided, and the problems that the pre-trailer in the prior art needs to be parked in a large area in an empty area when not in use, occupies a large space area, causes less workable space of a workshop and affects production operation of staff are solved.

Inventors

YAN JIMING
LIANG MINGYANG
LIANG ZHIQING

Assignees

佛山市网冠金属制品有限公司

Dates

Publication Date: 20260508
Application Date: 20250730

Claims (8)

1. The folding pre-trailer is characterized by comprising a movable underframe, a mounting underframe, a swinging frame, a pre-hanging frame and a hinging seat; the bottom of the installation underframe can be arranged on the movable underframe, the hinging seats are respectively arranged at the tops of the left end and the right end of the installation underframe, and the hinging position of the hinging seat at one end of the installation underframe is lower than the hinging position of the hinging seat at the other end of the installation underframe; The bottoms of the left end and the right end of the pre-hanging frame are respectively provided with an inserting groove, one end of the swinging frame can swing and be installed on the hinging seat, and the other end of the swinging frame can be detachably installed on the inserting grooves.
2. The folding pre-trailer of claim 1, wherein the mounting chassis comprises a mounting block, a first connecting bar, a placement bar, and a height block; the left end and the right end of the first connecting strip are respectively connected with the two mounting blocks, the front end and the rear end of the top of each mounting block are respectively provided with the hinge seat, the bottom of each mounting block is connected with the placing strip through the height block, the bottom of each placing strip is provided with a placing groove, and the placing strip is placed in the movable underframe through the placing groove.
3. The folding pre-trailer as set forth in claim 2, wherein a first groove is formed in the top of the mounting block, the first groove is located between the two hinge bases, and a reinforcing bar is disposed in the middle of the first groove, the reinforcing bar being opposite to the first connecting bar.
4. The folding pre-trailer as set forth in claim 2, wherein the left and right sides of the placement bar are provided with convex strips.
5. The folding pre-trailer of claim 2, wherein the movable chassis comprises a hollowed-out frame body, a mounting plate and a movable wheel; the four end corners of the bottom of the hollowed-out frame body are respectively provided with the mounting plate, and the bottom surface of the mounting plate is provided with the movable wheel; the middle part of the hollowed-out frame body is provided with a plurality of first hollowed-out areas, the first hollowed-out areas are arranged in the left-right direction, and the first hollowed-out areas are uniformly arranged at intervals in the front-back direction; The left and right ends of the hollowed-out frame body are respectively provided with a second hollowed-out area, the two second hollowed-out areas are respectively positioned at the left and right sides of the plurality of first hollowed-out areas, and the two second hollowed-out areas are arranged along the front and rear directions.
6. The folding pre-trailer of claim 5, wherein the movable chassis further comprises a second connecting block, the second connecting blocks are respectively arranged at the left end and the right end of the hollow frame body, the second connecting blocks are arranged in the left-right direction, and the second connecting blocks are positioned in the middle of the lower portion of the second hollow.
7. The folding pre-trailer of claim 5, wherein the pre-hanger comprises a frame body, a pre-hanger bar, a third connecting bar, and a spacer ring; The four end corners of the bottom of the frame body are respectively provided with an inserting groove, the top surface of the frame body is provided with a plurality of third connecting strips, the third connecting strips are uniformly arranged at intervals along the front-back direction of the frame body, the bottom surface of each third connecting strip is provided with a plurality of spacing rings, and the spacing rings are uniformly arranged at intervals along the length direction of the third connecting strips; The frame body is installed a plurality of the peg in advance, a plurality of the peg in advance is followed the fore-and-aft direction interval of frame body is even to be set up in advance, the peg in advance is located under the third connecting strip, the peg in advance passes the inside of spacer ring.
8. The folding pre-trailer of claim 7, wherein the inner bottom surface of the spacer ring is provided with a second groove, and the bottom of the pre-hanging rod abuts against the second groove.

Description

Folding pre-trailer Technical Field The utility model relates to the technical field of pre-trailers, in particular to a folding pre-trailer. Background The sheet metal piece of air conditioner is bulky heavy-weight, if adopt the form of stacking to place, makes the sheet metal piece receive the striking or the pressure of external force easily, can lead to the shell to warp, the mar even broken, consequently, place the sheet metal piece with hanging the form and circulate at the pre-trailer, not only can reduce the sheet metal piece and contact with other objects, reduce the risk of damage to be convenient for deposit and take out. However, when the pre-trailer in the prior art is not used, the pre-trailer needs to be parked in a large area in an empty area, and occupies a large amount of space area, so that the workable space of a workshop is small, and the production operation of staff is influenced. Disclosure of utility model The utility model aims to provide a folding pre-trailer, which solves the problems that when the pre-trailer is not used, the pre-trailer needs to be parked in a large area in an empty area, occupies a large space area, causes less operable space of a workshop and affects production operation of staff. To achieve the purpose, the utility model adopts the following technical scheme: A folding pre-trailer comprises a movable underframe, a mounting underframe, a swinging frame, a pre-hanging frame and a hinging seat; the bottom of the installation underframe can be arranged on the movable underframe, the hinging seats are respectively arranged at the tops of the left end and the right end of the installation underframe, and the hinging position of the hinging seat at one end of the installation underframe is lower than the hinging position of the hinging seat at the other end of the installation underframe; The bottoms of the left end and the right end of the pre-hanging frame are respectively provided with an inserting groove, one end of the swinging frame can swing and be installed on the hinging seat, and the other end of the swinging frame can be detachably installed on the inserting grooves. Further, the mounting chassis comprises a mounting block, a first connecting bar, a placement bar and a height block; the left end and the right end of the first connecting strip are respectively connected with the two mounting blocks, the front end and the rear end of the top of each mounting block are respectively provided with the hinge seat, the bottom of each mounting block is connected with the placing strip through the height block, the bottom of each placing strip is provided with a placing groove, and the placing strip is placed in the movable underframe through the placing groove. Specifically, the top of installation piece is equipped with first recess, first recess is located two between the articulated seat, just the middle part of first recess is equipped with the reinforcement strip, the reinforcement strip just right first connecting strip. Preferably, the left side and the right side of the placement strip are provided with raised strips. In some embodiments, the mobile chassis comprises a hollowed-out chassis body, a mounting plate and a mobile wheel; the four end corners of the bottom of the hollowed-out frame body are respectively provided with the mounting plate, and the bottom surface of the mounting plate is provided with the movable wheel; the middle part of the hollowed-out frame body is provided with a plurality of first hollowed-out areas, the first hollowed-out areas are arranged in the left-right direction, and the first hollowed-out areas are uniformly arranged at intervals in the front-back direction; The left and right ends of the hollowed-out frame body are respectively provided with a second hollowed-out area, the two second hollowed-out areas are respectively positioned at the left and right sides of the plurality of first hollowed-out areas, and the two second hollowed-out areas are arranged along the front and rear directions. Further, remove the chassis still includes the second connecting block, the both ends are installed respectively about the fretwork support body the second connecting block, the second connecting block sets up along controlling the direction, the second connecting block is located the middle part of second fretwork below. Specifically, the pre-hanging rack comprises a rack body, a pre-hanging rod, a third connecting strip and a spacing ring; The four end corners of the bottom of the frame body are respectively provided with an inserting groove, the top surface of the frame body is provided with a plurality of third connecting strips, the third connecting strips are uniformly arranged at intervals along the front-back direction of the frame body, the bottom surface of each third connecting strip is provided with a plurality of spacing rings, and the spacing rings are uniformly arranged at intervals along the length direction of the t