Semitrailer protective guardrail
By designing layered protective railings on the semi-trailer cargo box, multiple independent spaces are created, facilitating precise loading and unloading of goods. This solves the problem of low loading and unloading efficiency in existing technologies and improves the convenience and safety of loading and unloading.
Patent Information
- Application Number
- CN202423266275.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing semi-trailer cargo box has a simple structure, which leads to low efficiency in loading and unloading, especially for large batches of goods with a variety of types. Loading and unloading workers have to spend a lot of time searching and moving each item one by one.
Design a layered protective fence, including a frame, vertical bars dividing into multiple vertical frame areas, independently openable side doors and guardrails, combined with a locking mechanism to form multiple independent spaces, facilitating precise loading and unloading of goods.
The layered design and independent door structure improve the convenience and efficiency of loading and unloading, enabling the quick handling of small, loose items and large, heavy objects while ensuring safety.
Smart Images
Figure CN223574535U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of semitrailer guardrails, in particular to a semitrailer protection guardrail. BACKGROUND
[0002] In the field of modern logistics transportation, as one of the main freight transport tools, the semitrailer undertakes a large number of long-distance transportation tasks of various goods, and with the diversification of market demand, the types of goods are increasingly diverse, and the convenience of loading and unloading goods is increasingly demanding.
[0003] The current semitrailer box structure is relatively simple, and the protective guardrail is usually only used as a simple fence to protect the goods from falling during transportation. Most of the side edges of the box are designed in a whole body, and only one or two large doors are provided at the tail end for loading and unloading goods. This design exposes many inconveniences in actual use.
[0004] When transporting goods such as e-commerce small items and express packages, which are large in quantity and diverse in type, the loading and unloading workers have to spend a lot of time shuttling in the narrow and deep box, searching and carrying one by one, which is extremely inefficient. CONTENT OF THE NEW UTILITY MODEL
[0005] In order to overcome the above-mentioned shortcomings, the utility model provides a semitrailer protection guardrail.
[0006] The technical scheme adopted by the utility model is as follows:
[0007] A semitrailer protection guardrail, comprising a frame, a front end of the frame is fixedly connected with a front end plate, a bottom of the frame is fixedly connected with a bottom end plate, left and right inner walls of a rear end of the frame are rotatably connected with a left door and a right door respectively, an outer wall left end middle part of the right door is fixedly connected with a lock seat, a left and right through lock hole is formed in the inside of the lock seat, an outer wall right end middle part of the left door is fixedly connected with a lock door mechanism matched with the lock hole, three vertical rods are fixedly connected between the upper and lower inner walls of the left side and the upper and lower inner walls of the right side of the frame, the three vertical rods are evenly distributed in front and back, the three vertical rods on the same side divide the same side of the frame into four vertical frame areas, a side door is rotatably connected to the bottom inner side wall of each of the four vertical frame areas, three guardrails are arranged on the side door from bottom to top, the bottom front and back ends of the guardrails are rotatably connected to the inner side walls of the vertical frame areas, lock mechanisms are installed on the outer wall top of the side door and the guardrails, four insertion holes matched with the four lock mechanisms are formed in the front and back sides of the inner walls of the four vertical frame areas, nineteen convex seats are fixedly connected to the left and right inner side walls of the top of the frame, the convex seats are equidistantly distributed in front and back, a tarpaulin support rod is fixedly connected between the left convex seat and the corresponding convex seat on the right side, and the tarpaulin support rod is in a curved shape protruding upward.
[0008] The door locking mechanism comprises two fixed seats one, which are fixedly connected to the middle part of the right end of the outer wall of the left door, are distributed left and right, have a gap between them, and the lock rod one penetrates through the two fixed seats one from left to right in sequence, the right end of the lock rod one is inserted into the lock hole, the lock rod one is in sliding fit with the two fixed seats one and the lock hole, and the outer wall of the lock rod one is fixedly connected with the limiting lock plate one, which is located between the two fixed seats one.
[0009] The locking mechanism comprises two fixed seats two, which are fixedly connected to the outer walls of the side door and the guardrail respectively, are distributed front and back, have a gap between them, and the lock rod two penetrates through the two fixed seats two front and back, one end of the lock rod two is inserted into the insertion hole, the lock rod two is in sliding fit with the two fixed seats two and the insertion hole, the outer wall of the lock rod two is fixedly connected with the limiting lock plate two, which is located between the two fixed seats two, the outer wall of the limiting lock plate two is provided with a locking hole, the outer wall of the top of the side door and the guardrail is fixedly connected with a tab on both sides, the tab is located below the gap between the two fixed seats two, and the limiting lock plate two is sleeved outside the tab through the locking hole.
[0010] The utility model discloses beneficial effects:
[0011] The utility model discloses through unique layering and door opening design, when loading and unloading, the side layering forms a plurality of independent space, and each layer door can be opened conveniently according to the goods layout, and the corresponding layer door can be opened conveniently according to the goods layout, and the corresponding layer door can be opened conveniently according to the goods layout.
[0012] The semi-trailer guardrail frame is stable, the cargo box side is layered by the vertical rod, the bottom side door of each layer and the upper guardrail can be independently opened, the lock door and locking mechanism are cooperated to guarantee safety, the tarpaulin support rod is practical, and the loading and unloading convenience is greatly improved, and the goods loading and unloading are more efficient and orderly. ACCURATE DRAWING
[0013] Figure 1 It is the structure schematic diagram of the utility model;
[0014] Figure 2 It is the side door and guardrail opening state schematic diagram of the utility model;
[0015] Figure 3 It is Figure 1 The rear side view structure schematic diagram;
[0016] Figure 4 It is Figure 1 The left view of the utility model;
[0017] Figure 5 It is Figure 1 The top view of the utility model;
[0018] Figure 6 It is Figure 1 The rear view of the utility model;
[0019] Figure 7 is Figure 1 an enlarged view of A in FIG.
[0020] Figure 8 is Figure 3 an enlarged view of B in FIG.
[0021] In all the drawings, the reference numbers are specifically as follows: 1, frame; 2, front end plate; 3, bottom end plate; 4, left door; 5, right door; 6, lock seat; 7, lock hole; 8, lock door mechanism; 9, vertical rod; 10, vertical frame area; 11, side door; 12, guardrail; 13, locking mechanism; 14, jack; 15, convex seat; 16, tarpaulin support rod; 17, fixed seat one; 18, lock rod one; 19, first limiting lock plate; 20, fixed seat two; 21, lock rod two; 22, second limiting lock plate; 23, locking hole; 24, tab. DETAILED DESCRIPTION
[0022] As Figures 1-8 shown: a semi-trailer guardrail, comprising a frame 1, the front end of the frame 1 is fixedly connected with a front end plate 2, the bottom of the frame 1 is fixedly connected with a bottom end plate 3, the rear end of the frame 1 is rotatably connected with a left door 4 and a right door 5 on the inner wall of the left side and the right side respectively, the outer wall left end middle of the right door 5 is fixedly connected with a lock seat 6, the inside of the lock seat 6 is provided with a left and right through lock hole 7, the outer wall right end middle of the left door 4 is fixedly connected with a lock door mechanism 8 matched with the lock hole 7, the left side inside upper and lower walls of the frame 1 and the right side inside upper and lower walls are all fixedly connected with three vertical rods 9, the three vertical rods 9 are evenly distributed in front and back, the three vertical rods 9 on the same side separate the same side inside of the frame 1 into four vertical frame areas 10, the bottom inside wall of the four vertical frame areas 10 is rotatably connected with a side door 11, the side door 11 has three guardrails 12 from bottom to top in order above, the bottom front and back ends of the guardrails 12 are rotatably connected with the inside wall of the vertical frame area 10, the outer wall top two ends of the side door 11 and the guardrails 12 are all installed with a locking mechanism 13, the inside wall front and back sides of the four vertical frame areas 10 are all provided with four jack holes 14 matched with the four locking mechanisms 13 respectively, the top left and right inside walls of the frame 1 are all fixedly connected with nineteen convex seats 15, the convex seats 15 are equidistantly distributed in front and back, the convex seat 15 on the left side is fixedly connected with the corresponding convex seat 15 on the right side, and the convex seat 15 on the left side is fixedly connected with the corresponding convex seat 15 on the right side. The tarpaulin support rod 16 is in the shape of a curved upward protrusion.
[0023] The door locking mechanism 8 comprises two fixed seats 17 fixedly connected to the middle part of the right end of the outer wall of the left door 4, and the two fixed seats 17 are distributed left and right, and the two fixed seats 17 have a gap therebetween, and a locking rod 18 penetrates the two fixed seats 17 from left to right in sequence, and the right end of the locking rod 18 is inserted into the locking hole 7, and the locking rod 18 is in sliding fit with the two fixed seats 17 and the locking hole 7, and the outer wall of the locking rod 18 is fixedly connected with a limiting lock plate 19, and the limiting lock plate 19 is located between the two fixed seats 17.
[0024] The locking mechanism 13 comprises two fixed seats 20 fixedly connected to the outer walls of the side door 11 and the guardrail 12, and the two fixed seats 20 are distributed front and back, and the two fixed seats 20 have a gap therebetween, and a locking rod 21 penetrates the two fixed seats 20 front and back, and one end of the locking rod 21 is inserted into the insertion hole 14, and the locking rod 21 is in sliding fit with the two fixed seats 20 and the insertion hole 14, and the outer wall of the locking rod 21 is fixedly connected with a limiting lock plate 22, and the limiting lock plate 22 is located between the two fixed seats 20, and the outer wall of the limiting lock plate 22 is provided with a locking hole 23, and the outer wall of the top of the side door 11 and the guardrail 12 is fixedly connected with a lug 24, and the lug 24 is located below the gap between the two fixed seats 20, and the limiting lock plate 22 is sleeved outside the lug 24 through the locking hole 23.
[0025] Firstly, the loading and unloading worker places the goods regularly around the truck box according to the characteristics of the goods and the delivery sequence.
[0026] The loading and unloading worker pulls the locking rod 18 to release the locking with the lock seat 6, and opens the left door 4 and the right door 5, and the loading and unloading worker can also rotate the locking rod 21 to make the locking hole 23 of the second limiting lock plate 22 disengage from the lug 24, and then pull the locking rod 21 to release the locking with the insertion hole 14, and open the side door 11 and the guardrail 12.
[0027] The loading and unloading worker can load the goods into the truck box from each layering opening or the rear end, and when the loading and unloading worker completes the assembly, the loading and unloading worker can select to operate the locking rod 21 of each layer bottom side door 11 and the upper three guardrails 12 with the insertion hole 14 in sequence according to the loading and unloading progress, and finally operate the left door 4 and the right door 5 to be closed, and operate the locking rod 18 to be locked with the lock seat 6 again, that is, the assembly operation is completed.
[0028] The utility model only protects the mechanical part, and the function realized by the software control part related thereto is not in the protection range of the utility model.
Claims
1. A semi-trailer guard rail, characterized in that, The utility model relates to a frame (1), the front end of frame (1) is fixedly connected with front seal plate (2), the bottom of frame (1) is fixedly connected with bottom seal plate (3), the rear end left and right side inner wall of frame (1) is rotatably connected with left door (4) and right door (5) respectively, the outer wall left end middle part of right door (5) is fixedly connected with lock seat (6), the inside of lock seat (6) is opened and has left and right through lock hole (7), the outer wall right end middle part of left door (4) is fixedly connected with lock door mechanism (8) with lock hole (7) adaptation, the inside upper and lower wall between left side of frame (1) and right side inside upper and lower wall are all fixedly connected with three vertical rods (9), three vertical rods (9) are evenly distributed in front and back, and the vertical rod (9) of same side separates the same side inside of frame (1) into four vertical frame areas (10), and the bottom inboard wall of four vertical frame areas (10) is rotatably connected with side door (11), and side door (11) has three guardrails (12) from below to above successively above, and the bottom front and back end of guardrail (12) is rotatably connected with the inboard wall of vertical frame area (10), and the outer wall top of side door (11) and guardrail (12) both ends are installed locking mechanism (13), and the inboard wall of four vertical frame areas (10) is opened and has four respectively with four locking mechanism (13) adaptation jack hole (14) in front and back side, the top left and right inboard wall of frame (1) is fixedly connected with nineteen convex base (15), and convex base (15) is equidistant distribution in front and back, and the convex base (15) of left side is fixedly connected with the corresponding convex base (15) of right side between the convex base (15) of right side, and the convex base (15) of left side presents the curved shape of going up convex.
2. A semi-trailer guardrail according to claim 1, characterised in that Lock door mechanism (8) includes fixed seat one (17), two fixed seat one (17) fixedly connected in the outer wall right end middle part of left door (4), two fixed seat one (17) are distributed left and right, and there is gap between two fixed seat one (17), lock rod one (18) is sequentially penetrated two fixed seat one (17) from left to right, and the right end of lock rod one (18) is inserted in lock hole (7), and lock rod one (18) is slidably connected with two fixed seat one (17) and lock hole (7), and the outer wall of lock rod one (18) is fixedly connected with limit lock plate one (19), and limit lock plate one (19) is located between two fixed seat one (17).
3. A semi-trailer guardrail according to claim 1, characterized in that The locking mechanism (13) comprises two fixed seats two (20), the outer wall of the side door (11) and the guardrail (12) is fixedly connected with the fixed seat two (20) respectively, the two fixed seats two (20) are distributed front and back, the two fixed seats two (20) have a gap between, the lock rod two (21) penetrates the two fixed seats two (20) front and back, one end of the lock rod two (21) is inserted into the insertion hole (14), the lock rod two (21) is in sliding fit with the two fixed seats two (20) and the insertion hole (14), the outer wall of the lock rod two (21) is fixedly connected with the limiting lock plate two (22), the limiting lock plate two (22) is located between the two fixed seats two (20), the outer wall of the limiting lock plate two (22) is provided with a locking hole (23), the outer wall top of the side door (11) and the guardrail (12) is fixedly connected with the tab (24) on both sides, the tab (24) is located below the gap of the two fixed seats two (20), the limiting lock plate two (22) is sleeved outside the tab (24) through the locking hole (23).