Trolley traction support frame

Abstract

The utility model belongs to the technical field of trolleys, and particularly relates to a trolley traction supporting frame which comprises a base, a fixed seat fixedly mounted at the top of the base, a supporting frame arranged on the fixed seat, a movable frame arranged in the supporting frame, a bolt hole formed in one side of the movable frame, a locking bolt arranged on one side of the supporting frame and a handle fixedly mounted at the top of the movable frame. A traction block is fixedly installed at one end of the base. The supporting frame, the movable frame, the bolt holes and the locking bolts are used in cooperation, the locking bolts are rotated to be separated from the bolt holes, the lifting height of the handle can be conveniently adjusted, and the trolley can be better pushed and pulled conveniently; in the using process, the folding device can be folded, storage is convenient, a traction block is arranged at one end of the base, a user can conveniently connect a traction rope, and multidirectional traction and pulling are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of handcart technology, specifically a handcart traction support frame. Background Technology

[0002] A handcart is a transport vehicle that is pushed and pulled by human power. It is the ancestor of all vehicles. Although the material handling technology of handcarts has been continuously developed, handcarts are still used as an indispensable transport tool. Handcarts are widely used in production and daily life because they are inexpensive, easy to maintain, convenient to operate, and lightweight. They can work in places where motor vehicles are inconvenient to use and are very convenient for transporting lighter items over short distances.

[0003] The existing technology has the following shortcomings: The existing technology, disclosed in CN202320039429.6, discloses a handcart traction support frame, including a base. A caster wheel is fixedly installed at the lower bottom of the base. A fixed box is fixedly installed at the lower bottom of the base. A limiting device is provided inside the fixed box. The limiting device includes: a limiting block, which is slidably connected inside the fixed box. A limiting rod is fixedly connected to the right end of the limiting block, and the limiting rod passes through the fixed box and is slidably connected to it; a limiting spring, which is disposed inside the fixed box and sleeved on the limiting rod. The left end of the limiting spring is fixedly connected to the limiting block, and the right end of the limiting spring is fixedly connected to the right wall inside the fixed box; a hinge rod, whose left end is hinged to the limiting rod, and whose end away from the limiting rod is hinged to a pull rod; and a connecting rod, whose upper end is fixedly connected to the limiting rod, and whose right end is fixedly connected to a brake block.

[0004] The aforementioned handcart lacks a good limiting mechanism, making it easy for items to slide to the sides when transporting them. In addition, its overall structure is relatively simple, making it inconvenient to adjust and use, thus limiting its usability. Utility Model Content

[0005] In view of the shortcomings of the prior art, this utility model provides a handcart traction support frame to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a handcart traction support frame, including a base, a fixed seat fixedly installed on the top of the base, a support frame provided on the fixed seat, a movable frame provided inside the support frame, a bolt hole provided on one side of the movable frame, a locking bolt provided on one side of the support frame, a handle fixedly installed on the top of the movable frame, and a traction block fixedly installed at one end of the base.

[0007] As a preferred technical scheme of the utility model, the base comprises a receiving groove, a sliding block, an extension plate and a fixing hole, the base is internally provided with the receiving groove, the receiving groove is internally provided with the sliding block, one side of the sliding block is provided with the extension plate, the sliding block is provided with the fixing hole, the sliding block and the receiving groove are limitingly and movably inserted, the sliding block is provided with the fixing hole on the top and one side, and the extension plate is rotationally connected with the sliding block through a rotating shaft.

[0008] As a preferred technical scheme of the utility model, the extension plate comprises a movable groove, a compression spring, a movable block, a connecting block and a fixed bolt, the extension plate is internally provided with the movable groove, the movable groove is internally provided with the compression spring, one end of the compression spring is provided with the movable block, one side of the movable block is fixedly provided with the connecting block, the connecting block is provided with the fixed bolt at the bottom, and the movable block is slidably connected with the movable groove.

[0009] As a preferred technical scheme of the utility model, the fixed bolt is matched with the fixing hole in the outer diameter size and the inner diameter size, and the fixed bolt is movably inserted with the fixing hole.

[0010] As a preferred technical scheme of the utility model, the support frame is rotationally connected with the fixed seat through a rotating shaft, the movable frame is matched with the support frame in the outer diameter size and the inner diameter size, and the movable frame is movably sleeved with the support frame.

[0011] As a preferred technical scheme of the utility model, the bolt hole is matched with the locking bolt in the inner diameter size and the outer diameter size, and the locking bolt is threadedly and rotationally connected with the bolt hole.

[0012] As a preferred technical scheme of the utility model, the traction block is provided with two, and the traction blocks are uniformly and symmetrically distributed at one end of the base.

[0013] Compared with the prior art, the utility model provides a handcart traction support frame, which has the following advantages

[0014] Beneficial effects:

[0015] 1、the handcart traction support frame, through setting support frame, movable frame, bolt hole and locking bolt cooperation uses, through rotating locking bolt makes it with bolt hole separation, then convenient for handle height adjustment, conveniently better push and pull handcart, through setting support frame rotationally connected with fixed seat through rotating shaft, in use process can be folded, convenient storage, through setting traction block in one end of base, convenient for user to connect traction rope, convenient for multidirectional traction pull.

[0016] 2. The handcart traction support frame, through the cooperation of the storage groove, the sliding block and the extension plate, the base area is conveniently extended, more objects can be placed, the extension plate is rotatably connected with the sliding block, a plurality of fixing holes are arranged on the sliding block, the inside and the outside of the extension plate are provided with a movable groove, a compression spring, a movable block, a connecting block and a fixed bolt for cooperation, the extension plate is conveniently folded, the two sides of the base are conveniently surrounded, the transport objects are prevented from easily sliding off, and the structural practicability and functionality are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an extension plate folding structure schematic view of the utility model;

[0018] Figure 2 It is an extension plate storage structure schematic view of the utility model;

[0019] Figure 3 It is an extension plate extension structure schematic view of the utility model;

[0020] Figure 4 It is an extension plate cross section structure schematic view of the utility model.

[0021] In the drawing: 1, base; 101, storage groove; 102, sliding block; 103, extension plate; 1031, movable groove; 1032, compression spring; 1033, movable block; 1034, connecting block; 1035, fixed bolt; 104, fixed hole; 2, fixed seat; 3, support frame; 4, movable frame; 5, bolt hole; 6, locking bolt; 7, handle; 8, traction block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4 In the embodiment, the handcart traction support frame comprises a base 1, the top of the base 1 is fixedly provided with a fixed seat 2, the fixed seat 2 is provided with a support frame 3, the support frame 3 is internally provided with a movable frame 4, one side of the movable frame 4 is provided with a bolt hole 5, one side of the support frame 3 is provided with a locking bolt 6, the top of the movable frame 4 is fixedly provided with a handle 7, and one end of the base 1 is fixedly provided with a traction block 8.

[0024] Refer to Figure 1 , Figure 3 and Figure 4, the base 1 includes receiving groove 101, slider 102, extension plate 103 and fixed hole 104, the base 1 inside is provided with receiving groove 101, receiving groove 101 inside is provided with slider 102, one side of slider 102 is provided with extension plate 103, slider 102 is provided with fixed hole 104, slider 102 and receiving groove 101 are limit active plug-in, the top and one side of slider 102 are provided with fixed hole 104, extension plate 103 is rotatably connected with slider 102 through rotating shaft;Extension plate 103 includes movable slot 1031, compression spring 1032, movable block 1033, connecting block 1034 and fixed bolt 1035, extension plate 103 inside is provided with movable slot 1031, movable slot 1031 inside is provided with compression spring 1032, one end of compression spring 1032 is provided with movable block 1033, movable block 1033 one side is fixedly installed connecting block 1034, connecting block 1034 bottom is provided with fixed bolt 1035, movable block 1033 and movable slot 1031 are slidably connected;The outer diameter size of fixed bolt 1035 is matched with the inner diameter size of fixed hole 104, and fixed bolt 1035 is movably inserted into fixed hole 104;

[0025] Specifically: the extension plate 103 is conveniently adjusted, the area of the base 1 is extended, and the two sides of the base 1 are conveniently surrounded, so that the articles are conveniently transported.

[0026] Referring to Figure 1 , the support frame 3 is rotatably connected with the fixed seat 2 through a rotating shaft, the outer diameter size of the movable frame 4 is matched with the inner diameter size of the support frame 3, and the movable frame 4 is movably sleeved with the support frame 3;The inner diameter size of the bolt hole 5 is matched with the outer diameter size of the locking bolt 6, and the locking bolt 6 is threadedly connected with the bolt hole 5;

[0027] Specifically: conveniently adjust, and the user can better push and pull the trolley.

[0028] Referring to Figure 1 , the traction block 8 is provided with two, and the traction blocks 8 are uniformly and symmetrically distributed at one end of the base 1.

[0029] Specifically: the traction rope is conveniently connected, and the trolley is conveniently pulled in multiple directions.

[0030] The working principle and use process of the utility model: the operator separates the locking bolt 6 from the bolt hole 5 by rotating the locking bolt 6 in the use process, thereby the lifting height adjustment of the movable frame 4 and the handle 7 can be carried out, the user can better pull the trolley, the traction block 8 is connected with the traction rope, the traction block 8 can be pulled in multiple directions, the extension plate 103 is pulled to one side, the area of the extension base 1 is conveniently expanded, more articles can be placed, the connecting block 1034 is pulled to one side, the fixed bolt 1035 is separated from the fixed hole 104, then the extension plate 103 is rotated, the extension plate 103 can surround the extension base 1, the articles are prevented from easily sliding, and the work use is facilitated.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A handcart traction support frame, comprising a base (1), characterized in that: A fixed seat (2) is fixedly installed on the top of the base (1). A support frame (3) is provided on the fixed seat (2). A movable frame (4) is provided inside the support frame (3). A bolt hole (5) is provided on one side of the movable frame (4). A locking bolt (6) is provided on one side of the support frame (3). A handle (7) is fixedly installed on the top of the movable frame (4). A traction block (8) is fixedly installed on one end of the base (1).

2. The handcart traction support frame according to claim 1, characterized in that: The base (1) includes a storage slot (101), a slider (102), an extension plate (103), and a fixing hole (104). The storage slot (101) is provided inside the base (1), and the slider (102) is provided inside the storage slot (101). An extension plate (103) is provided on one side of the slider (102), and a fixing hole (104) is provided on the slider (102). The slider (102) and the storage slot (101) are connected by a limited movable insertion. The top and one side of the slider (102) are provided with fixing holes (104). The extension plate (103) is rotatably connected to the slider (102) through a rotating shaft.

3. A handcart traction support frame according to claim 2, characterized in that: The extension plate (103) includes a movable groove (1031), a compression spring (1032), a movable block (1033), a connecting block (1034), and a fixing pin (1035). The extension plate (103) has a movable groove (1031) inside, and a compression spring (1032) is installed inside the movable groove (1031). A movable block (1033) is installed at one end of the compression spring (1032). A connecting block (1034) is fixedly installed on one side of the movable block (1033). A fixing pin (1035) is installed at the bottom of the connecting block (1034). The movable block (1033) is slidably connected to the movable groove (1031).

4. A handcart traction support frame according to claim 3, characterized in that: The outer diameter of the fixing pin (1035) is adapted to the inner diameter of the fixing hole (104), and the fixing pin (1035) is movably inserted into the fixing hole (104).

5. A handcart traction support frame according to claim 1, characterized in that: The support frame (3) is rotatably connected to the fixed seat (2) via a rotating shaft. The outer diameter of the movable frame (4) is adapted to the inner diameter of the support frame (3). The movable frame (4) and the support frame (3) are movably connected.

6. A handcart traction support frame according to claim 1, characterized in that: The inner diameter of the bolt hole (5) is matched with the outer diameter of the locking bolt (6), and the locking bolt (6) is threadedly connected to the bolt hole (5).

7. A handcart traction support frame according to claim 1, characterized in that: Two traction blocks (8) are provided, and the traction blocks (8) are evenly and symmetrically distributed at one end of the base (1).

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