Trundle mounting structure for plate trailer and plate trailer
By designing the caster installation structure for board and car, and using the design of insertion grooves and connecting columns, the caster installation is achieved quickly, solving the problems of cumbersome assembly of existing board and easy caster fall off, and improving production efficiency and use stability.
Patent Information
- Application Number
- CN202422127642.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-08-30
AI Technical Summary
When producing and assembling existing board trucks, they need to manually tighten the casters with screws, resulting in cumbersome assembly steps, low production efficiency, and easy to cause the casters to fall off due to missing screws.
A caster installation structure for board and car is designed, including the installation area of the vehicle body. The installation area is equipped with a insertion groove and a connecting column. The mounting plate is inserted into the insertion groove through the socket, and the screws are connected to the installation hole through the connecting column, thereby realizing the rapid installation of the caster.
It realizes rapid installation of casters, shortens production time, improves production efficiency, and prevents casters from falling off completely when screws are missing, ensuring the stability of use.
Smart Images

Figure CN222921313U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flatbed carts, and particularly relates to a caster wheel mounting structure for a flatbed cart and a flatbed cart. Background Art
[0002] A flatbed cart is a commonly used transportation tool. When the existing flatbed carts on the market are produced and assembled, it is necessary for workers to fasten the caster wheels to the vehicle body through screws. At least four screws are used, making the assembly steps cumbersome and the production efficiency low. At the same time, if a screw is missing, the caster wheel will fall off, affecting the use. Summary of the Utility Model
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, a first aspect embodiment of the utility model provides a caster wheel mounting structure for a flatbed cart, including a vehicle body. An installation area is provided on the bottom surface of the vehicle body, including a caster wheel, an insertion slot, and a connecting column. The caster wheel is installed in the installation area. The caster wheel includes a mounting plate, and mounting holes are provided on the mounting plate. The insertion slot is horizontally arranged in the installation area. The insertion slot includes an insertion opening. The mounting plate is horizontally inserted into the insertion slot from the insertion opening. The connecting column is vertically arranged in the installation area and is located on the opposite side of the insertion opening. The connecting column and the mounting hole are connected by screws.
[0004] The utility model has at least the following beneficial effects:
[0005] During production and assembly, only one side of the mounting plate needs to be horizontally inserted into the insertion slot from the insertion opening, a screw is inserted into the mounting hole on the other side of the mounting plate, and the screw is connected to the connecting column, so as to realize the rapid installation of the caster wheel, shorten the production time, and improve the production efficiency. At the same time, since part of the mounting plate is inserted into the insertion slot, the caster wheel will not fall off completely after the screw fixation is missing, and it will not affect the use.
[0006] According to some embodiments of the utility model, a positioning column is further included. The positioning column is arranged in the installation area, and the insertion opening faces the positioning column and the connecting column. A positioning convex block is provided at the top of the positioning column, and the positioning convex block is snapped into the mounting hole.
[0007] According to some embodiments of the utility model, the insertion slot further includes a bottom plate and a convex rib. The bottom plate is located below the convex rib. The convex rib is vertically arranged, and the mounting plate is inserted between the bottom plate and the bottom of the convex rib.
[0008] According to some embodiments of the utility model, at least two convex ribs are used.
[0009] According to some embodiments of the present utility model, the insertion slot further includes two side plates, and grooves are formed on both of the two side plates, and both sides of the mounting plate are movably clamped into the grooves.
[0010] A second aspect embodiment of the present utility model provides a flatbed cart, including a caster mounting structure, and the caster mounting structure for the flatbed cart adopts the above-mentioned caster mounting structure for the flatbed cart.
[0011] According to some embodiments of the present utility model, the vehicle body includes a first vehicle board and a second vehicle board. The first vehicle board includes a first board body part; the second vehicle board includes a second board part and an overlapping part, and the height difference between the board surface of the second board part and the board surface of the overlapping part is equal to the thickness of the first board body part.
[0012] According to some embodiments of the present utility model, the vehicle body further includes a guide rod. A sliding groove is provided on the first vehicle board, and the guide rod is slidably installed in the sliding groove. A fixed insertion slot is provided on the second vehicle board, and one end of the guide rod is inserted and fixed in the fixed insertion slot.
[0013] According to some embodiments of the present utility model, a pull rod is further included. The pull rod is rotatably installed on the vehicle body, and a storage groove is provided on the vehicle body, and the pull rod is installed in the storage groove.
[0014] Some of the additional aspects and advantages of the present utility model will be given in the following description, some will become obvious from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:
[0016] Figure 1 is an exploded schematic view of the first aspect embodiment of the present utility model;
[0017] Figure 2 is Figure 1 an enlarged schematic view of A in
[0018] Figure 3 is a cross-sectional schematic view of the first aspect embodiment of the present utility model;
[0019] Figure 4 is a top view schematic view of the second aspect embodiment of the present utility model;
[0020] Figure 5 is a bottom view schematic view of the second aspect embodiment of the present utility model;
[0021] Figure 6 is a schematic view of the vehicle body in the unfolded state of the second aspect embodiment of the present utility model; Detailed implementation manners
[0022] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model, and should not be construed as a limitation to the present utility model.
[0023] In the description of the present utility model, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.
[0024] In the description of the present utility model, the meaning of "a plurality of" is more than two, and understandings such as greater than, less than, exceeding, etc. do not include the present number. If there is a description of first and second, it is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.
[0025] In the description of the present utility model, unless otherwise clearly defined, words such as "set", "installed", "connected", etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.
[0026] Referring to Figure 1 、 2 , a caster mounting structure for a flatbed cart, comprising a vehicle body 100, an installation area 101 is arranged on the bottom surface of the vehicle body 100, including a caster 200, an insertion slot 300, and a connecting column 400; the caster 200 is installed in the installation area 101, the caster 200 includes a mounting plate 210, and mounting holes 211 are arranged on the mounting plate 210; the insertion slot 300 is horizontally arranged in the installation area 101, the insertion slot 300 includes an insertion opening 310, and the mounting plate 210 is horizontally inserted into the insertion slot 300 from the insertion opening 310; the connecting column 400 is vertically arranged in the installation area 101, and the connecting column 400 is located on the opposite side of the insertion opening 310, and the connecting column 400 and the mounting holes 211 are connected by screws.
[0027] When performing production assembly, only one side of the mounting plate 210 needs to be horizontally inserted into the insertion slot 300 from the socket 310. Screws are inserted into the mounting holes 211 on the other side of the mounting plate 210, and the screws are connected to the connecting posts 400, thereby realizing the rapid installation of the casters 200, shortening the production time, and improving the production efficiency. At the same time, since a part of the mounting plate 210 is inserted into the insertion slot 300 from the socket 310, the caster 200 will not fall off completely after the screws are missing, which has no impact on the use.
[0028] Referring to Figure 2 , to further improve the accuracy of installation, a positioning post 500 is also provided in the installation area 101. The positioning post 500 is arranged side by side with the connecting post 400, and the socket 310 faces the positioning post 500 and the connecting post 400. A positioning protrusion 510 is provided at the top of the positioning post 500, and the positioning protrusion 510 is snapped into the mounting hole 211.
[0029] Referring to Figure 3 As shown, the insertion slot 300 further includes a bottom plate 320 and a rib 330. The bottom plate 320 is located below the rib 330, and the rib 330 is vertically arranged. The mounting plate 210 is inserted between the bottom plate 320 and the bottom of the rib 330, so that the bottom plate 320 and the rib 330 clamp the mounting plate 210. In this embodiment, at least two ribs 330 are used.
[0030] The insertion slot 300 further includes two side plates 340. Grooves 341 are provided on both side plates 340. Both sides of the mounting plate 210 are movably snapped into the grooves 341 to improve the stability of the mounting plate 210 inserted into the insertion slot 300 and prevent it from coming out of the insertion slot 300.
[0031] The second aspect embodiment of the present utility model proposes a flatbed cart, including a caster mounting structure, and the caster mounting structure adopts the above-mentioned caster mounting structure for a flatbed cart.
[0032] Referring to Figure 4 , the vehicle body 100 includes a first vehicle plate 110 and a second vehicle plate 120. The first vehicle plate 110 includes a first plate body portion 111, and the thickness of the first plate body portion 111 is a. The second vehicle plate 120 includes a second plate portion 121 and an overlapping portion 122. The height difference between the plate surface of the second plate portion 121 and the plate surface of the overlapping portion 122 is equal to a, so that the first plate body portion 111 and the second plate portion 121 are on the same horizontal plane, keeping the vehicle body 100 in a unified plane. The first plate body portion 111 is stacked on the overlapping portion 122. According to the needs of use, the first vehicle plate 110 is pulled out, and the overlapping portion 122 supports the first plate body portion 111. At the same time, the length of the vehicle body 100 is increased to meet the needs of use.
[0033] Referring to Figure 5As shown, to further improve the strength of the vehicle body 100 and the smoothness of the pulling out of the first car plate 110, a sliding groove 112 is provided on the first car plate 110, a guide rod 130 is slidably loaded into the sliding groove 112, a fixed slot 123 is provided on the second car plate 120, and one end of the guide rod 130 is inserted and fixed in the fixed slot 123.
[0034] Referring to Figure 4 、 6 As shown, to facilitate pulling the cart, a pull rod 600 is further included. The pull rod 600 is rotatably mounted on the vehicle body 100, and the vehicle body 100 is provided with a storage groove 140, and the pull rod 600 is loaded into the storage groove 140.
[0035] In the description of this specification, the description with reference to terms such as "some embodiments" or "it is conceivable that" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.
[0036] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those of ordinary skill in the art.
Claims
1. A caster mounting structure for a cart, comprising a cart body (100), wherein a mounting area (101) is provided on the bottom surface of the cart body (100), characterized in that: include: A caster (200), the caster (200) being installed in the installation area (101), the caster (200) comprising a mounting plate (210), and a mounting hole (211) being provided on the mounting plate (210); An insertion slot (300), the insertion slot (300) being horizontally arranged in the installation area (101), the insertion slot (300) comprising a socket (310), and the installation plate (210) being horizontally inserted into the insertion slot (300) through the socket (310); A connecting column (400), the connecting column (400) being vertically arranged in the installation area (101), and the connecting column (400) being located on the opposite side of the socket (310), and the connecting column (400) being connected to the installation hole (211) by means of screws.
2. A caster mounting structure for a cart according to claim 1, characterized in that: It also includes a positioning column (500), the positioning column (500) is arranged in the installation area (101), and the socket (310) faces the positioning column (500) and the connecting column (400), and a positioning protrusion (510) is arranged on the top of the positioning column (500), and the positioning protrusion (510) is inserted into the installation hole (211).
3. A caster mounting structure for a pallet truck according to claim 1, characterized in that: The insertion slot (300) further comprises a bottom plate (320) and a convex rib (330), wherein the bottom plate (320) is located below the convex rib (330), the convex rib (330) is arranged vertically, and the installation plate (210) is inserted between the bottom of the bottom plate (320) and the bottom of the convex rib (330).
4. A caster mounting structure for a pallet truck according to claim 3, characterized in that: At least two convex ribs (330) are used.
5. The caster mounting structure for a pallet truck according to claim 1, characterized in that: The insertion slot (300) further comprises two side plates (340), each of which is provided with a groove (341), and the two sides of the installation plate (210) are movably inserted into the groove (341).
6. A flatbed truck, characterized in that: It comprises a caster mounting structure, and the caster mounting structure adopts a caster mounting structure for a cart as claimed in any one of claims 1 to 5.
7. A pallet truck according to claim 6, characterized in that: The vehicle body (100) comprises a first vehicle plate (110) and a second vehicle plate (120); the first vehicle plate (110) comprises a first plate body portion (111); the second vehicle plate (120) comprises a second plate portion (121) and an overlapping portion (122); the first plate body portion (111) is stacked on the overlapping portion (122); and the height difference between the plate surface of the second plate portion (121) and the plate surface of the overlapping portion (122) is equal to the thickness of the first plate body portion (111).
8. A pallet truck according to claim 7, characterized in that: The vehicle body (100) further comprises a guide rod (130); a slide groove (112) is provided on the first vehicle plate (110); the guide rod (130) is slidably inserted into the slide groove (112); a fixed slot (123) is provided on the second vehicle plate (120); one end of the guide rod (130) is inserted and fixed in the fixed slot (123).
9. A pallet truck according to claim 7, characterized in that: It also includes a pull rod (600), the pull rod (600) being rotatably mounted on the vehicle body (100), the vehicle body (100) being provided with a storage groove (140), and the pull rod (600) being mounted in the storage groove (140).