Adjustable truck clamping plate limiting device

Abstract

The utility model relates to the technical field of truck transportation, and discloses an adjustable truck clamping plate limiting device, which is arranged in a truck and positioned between a clamping plate and the inner wall of a carriage of the truck, and comprises a fixed frame, a movable frame, a connecting rod, an adjusting piece and a locking piece, one end of the connecting rod in the length direction is rotationally connected with the fixed frame, and the other end is rotationally connected with the movable frame; the adjusting part is connected with the fixed frame and the movable frame and used for adjusting the distance between the fixed frame and the movable frame, so that the fixed frame makes contact with one of the inner wall of the carriage and the side, right facing the inner wall of the carriage, of the clamping plate, and the movable frame makes contact with the other one of the inner wall of the carriage and the side, right facing the inner wall of the carriage, of the clamping plate. The locking piece is connected with the adjusting piece and used for selectively locking the adjusting piece. According to the adjustable truck clamping plate limiting device, the clamping plates in a truck can be limited, the longitudinal adjacent clamping plates are prevented from being staggered, and the unloading efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to truck transportation technical field especially, relates to adjustable truck card board limiting device. BACKGROUND

[0002] In lithium battery industry, most of the transport products or materials adopt 9.6 meters or 11.8 meters truck length, and the truck width is 2.3-2.35 meters, while the transport material in workshop mostly adopts 1.1 meters standard river card board, and two rows of card boards are arranged in truck transversely and longitudinally, which will cause 100-150mm gap between the outermost card board and truck inner wall; the gap will cause the distance between the longitudinally parallel card boards to change during vehicle driving, and different parallel card boards will also displace; when the vehicle reaches the unloading site, the card slot of the longitudinally parallel card board cannot be aligned, which causes that automatic unloading cannot be realized, or only one card board can be unloaded at a time.

[0003] To solve the above problems, the common scheme at present is to increase standard size wooden strips on both sides of truck, and the wooden strips cannot be adjusted in length and width for different size incoming truck, and cannot be compatible with different truck sizes; therefore, different length and width wooden strips need to be prepared for different trucks, which increases cost and is inconvenient to store. UTILITY MODEL CONTENTS

[0004] The utility model embodiment aims at providing adjustable truck card board limiting device, which can limit the card board in truck, avoid the dislocation of longitudinally adjacent card boards and improve unloading efficiency.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] Provided is adjustable truck card board limiting device, which is arranged in truck and between card board and truck inner wall, and comprises fixing frame, movable frame, connecting rod, adjusting part and locking part, the fixing frame and the movable frame are arranged in parallel, one end of the connecting rod is rotationally connected with the fixing frame along the length direction, and the other end is rotationally connected with the movable frame; the adjusting part is connected with the fixing frame and the movable frame, is used for adjusting the distance between the fixing frame and the movable frame, makes one of the fixing frame and the truck inner wall and the side of the card board opposite to the truck inner wall contact and makes the other of the movable frame and the truck inner wall and the side of the card board opposite to the truck inner wall contact; the locking part is connected with the adjusting part and is used for selectively locking the adjusting part.

[0007] As a further scheme of the adjustable truck card limiting device, the adjusting member comprises a mounting frame, a screw rod, a crank, a first intermediate connecting member, a second intermediate connecting member and a handle assembly, the mounting frame is provided with a mounting hole along the length direction thereof, the screw rod is installed in the mounting hole, a sliding slot is provided on the outer periphery of the mounting frame, the length of the sliding slot extends along the length direction of the mounting frame, the sliding slot is communicated with the mounting hole, one end of the first intermediate connecting member is threadedly connected with the screw rod, and the other end thereof is rotatably connected with the crank through the sliding slot; one end of the crank away from the first intermediate connecting member is rotatably connected with the movable frame, and the other end thereof is rotatably connected with the first intermediate connecting member; one end of the mounting frame along the length direction thereof is connected with the fixed frame through the second intermediate connecting member, the handle assembly is installed on the other end of the mounting frame away from the fixed frame, the handle assembly is drivingly connected with the screw rod for driving the screw rod to rotate; the locking member is connected with the handle assembly.

[0008] As a further scheme of the adjustable truck card limiting device, the handle assembly comprises a handle seat and a handle, the handle seat is provided with a clamping hole opposite to the screw rod, the screw rod is clamped with the clamping hole, the handle is fixedly connected with the handle seat for driving the handle seat to rotate and drive the screw rod to rotate, and the locking member is installed on the handle seat for selectively limiting the rotation of the handle seat.

[0009] As a further scheme of the adjustable truck card limiting device, the handle assembly comprises a handle seat and a handle, the handle seat is provided with a clamping hole opposite to the screw rod, the screw rod is clamped with the clamping hole, the handle is fixedly connected with the handle seat for driving the handle seat to rotate and drive the screw rod to rotate, and the locking member is installed on the handle seat for selectively limiting the rotation of the handle seat.

[0010] As a further scheme of the adjustable truck card limiting device, the locking piece comprises a spring seat, a spring, a locking pin and a locking pin cap, the locking pin comprises a locking pin body and a pin stud, the pin stud is protruded on the outer periphery of the locking pin body, the locking pin cap is provided with a first installation slot and a third through hole penetrating the slot bottom of the first installation slot on one side facing the spring seat, the hole wall of the third through hole is provided with a locking slot, the spring seat is provided with a second installation slot and a fourth through hole penetrating the slot bottom of the second installation slot on one side facing the locking pin cap, the locking pin body is penetrated in the third through hole and the fourth through hole, the locking pin can rotate relative to the locking pin cap and move along the length direction of the locking pin body, the spring is respectively abutted with the pin stud and the slot bottom of the second installation slot; the spring seat is clamped with the non-central position of the handle seat; a plurality of first lock holes matched with the locking pin body are provided on the first cover;

[0011] The locking piece has a locking state and a non-locking state, when the locking piece is in the locking state, one end of the pin stud away from the spring is abutted with the slot bottom of the first installation slot, and the locking pin body is inserted into the corresponding one of the first lock holes; when the locking piece is in the non-locking state, the locking pin body is located in the locking slot, the locking pin body is separated from the first lock hole, and the handle can drive the handle seat to rotate the screw rod.

[0012] As a further scheme of the adjustable truck card limiting device, the first intermediate connecting piece comprises a threaded cylinder, a connecting column and a first pin shaft, the threaded cylinder is screwed with the screw rod, the connecting column is protruded on the outer periphery of the threaded cylinder, the connecting column is provided with a threaded hole communicated with the inner hole of the threaded cylinder, one end of the first pin shaft is screwed with the threaded hole, and the other end is penetrated through the sliding groove and rotationally connected with the crank.

[0013] As a further scheme of the adjustable truck card limiting device, the first intermediate connecting piece further comprises a first connecting sleeve, a first gasket and a first clamping spring, the first connecting sleeve is sleeved on the outer periphery of the first pin shaft, the crank is provided with a first connecting hole matched with the first connecting sleeve, the first connecting sleeve is located in the first connecting hole, the two ends of the first connecting sleeve are flush with the end faces of the crank respectively, the outer periphery of the first pin shaft and one end away from the connecting column are provided with a first clamping groove, the first clamping spring is clamped and matched with the first clamping groove, the first gasket is sleeved on the outer periphery of the first pin shaft and located between the first clamping spring and the crank, and the first clamping spring is abutted with the first gasket.

[0014] As a further scheme of the adjustable truck card limiting device, the second intermediate connecting piece comprises a first connecting part and a second connecting part, the fixing frame is provided with a second connecting hole matched with the first connecting part at one end thereof facing the mounting frame, the second connecting part comprises a cylinder and a cuboid, the cuboid is located at one end of the cylinder, the mounting frame is provided with a third connecting hole at one end thereof facing the fixing frame, the third connecting hole is communicated with the mounting hole, the cylinder is inserted and matched with the mounting hole and locked by a bolt, one end of the first connecting part is inserted into the second connecting hole, and the other end is overlapped with the cuboid and inserted and matched with the third connecting hole and locked by a bolt.

[0015] As a further scheme of the adjustable truck card limiting device, the second intermediate connecting piece comprises a first connecting part and a second connecting part, the second connecting part comprises a cylinder and a cuboid, the cuboid is located at one end of the cylinder, the mounting frame is provided with a third connecting hole at one end thereof facing the fixing frame, the third connecting hole is communicated with the mounting hole, the cylinder is inserted and matched with the mounting hole and locked by a bolt, one end of the first connecting part is inserted into the second connecting hole, and the other end is overlapped with the cuboid and inserted and matched with the third connecting hole and locked by a bolt.

[0016] As a further scheme of the adjustable truck card limiting device, the second intermediate connecting piece comprises a first connecting part and a second connecting part, the second connecting part comprises a cylinder and a cuboid, the cuboid is located at one end of the cylinder, the mounting frame is provided with a third connecting hole at one end thereof facing the fixing frame, the third connecting hole is communicated with the mounting hole, the cylinder is inserted and matched with the mounting hole and locked by a bolt, one end of the first connecting part is inserted into the second connecting hole, and the other end is overlapped with the cuboid and inserted and matched with the third connecting hole and locked by a bolt.

[0017] The number of the connecting rods is multiple, and the multiple connecting rods are arranged at intervals along the length direction of the fixing frame.

[0018] Advantageous effects:

[0019] The adjustable truck card limiting device of the utility model is suitable for limiting the T-shaped card in the truck compartment, the distance between the fixing frame and the movable frame can be adjusted according to the distance between the side of the card along the lateral direction of the truck compartment and the inner wall of the truck compartment, the outer side of the adjustable truck card limiting device along the lateral direction of the truck compartment is respectively contacted with the inner wall of the truck compartment and the outer side of the card, so that the card is limited, the dislocation of the two cards along the longitudinal direction is avoided, the alignment of the card slots under the cards arranged in the longitudinal direction is ensured, the forklift can be inserted under the two cards in the longitudinal direction to unload the goods, and the unloading efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further explained in detail in the basis of the drawings and examples.

[0021] Figure 1 The structure diagram of the adjustable truck card limiting device is shown in the utility model embodiment;

[0022] Figure 2 The structure diagram of the adjustable truck card limiting device is shown in the utility model embodiment; Figure 1A part of the middle part of the local enlarged view;

[0023] Figure 3 Partially exploded view of the adjusting member (remove the crank), locking member and cover assembly of the embodiment of the utility model;

[0024] Figure 4 The exploded view of the locking member of the embodiment of the utility model;

[0025] Figure 5 The structure diagram of the locking pin cap of the embodiment of the utility model;

[0026] Figure 6 The side view schematic diagram of the first intermediate connecting piece and the mounting rack of the embodiment of the utility model after assembling;

[0027] Figure 7 The side view schematic diagram of the mounting rack of the embodiment of the utility model;

[0028] Figure 8 The structure diagram of the first intermediate connecting piece of the embodiment of the utility model;

[0029] Figure 9 The exploded view of the mounting rack, the second intermediate connecting piece and the mounting rack of the embodiment of the utility model;

[0030] Figure 10 The side view schematic diagram of the mounting rack of the embodiment of the utility model;

[0031] Figure 11 The structure diagram of the third intermediate connecting piece of the embodiment of the utility model;

[0032] Figure 12 The structure diagram of the fourth intermediate connecting piece of the embodiment of the utility model.

[0033] In the figure:

[0034] 100, fixed frame; 110, second connecting hole; 120, first connecting slot; 200, movable frame; 300, connecting rod; 400, adjusting piece; 410, mounting frame; 411, mounting hole; 412, sliding groove; 413, third connecting hole; 420, screw rod; 430, crank; 440, first intermediate connecting piece; 441, threaded cylinder; 442, connecting column; 443, first pin shaft; 4431, first clamping groove; 444, first connecting sleeve; 445, first washer; 446, first clamping spring; 450, second intermediate connecting piece; 451, first connecting part; 452, second connecting part; 4521, cylinder; 4522, cuboid; 460, handle assembly; 461, handle seat; 4611, clamping hole; 4612, threaded connecting hole; 4613, clamping groove; 462, handle; 470, limiting part; 500, locking piece; 510, spring seat; 511, second mounting slot; 512, fourth through hole; 520, spring; 530, lock pin; 531, lock pin body; 532, pin bolt; 540, lock pin cap; 541, first mounting slot; 542, third through hole; 543, lock slot; 600, cover assembly; 610, first cover; 611, first limiting slot; 612, first through hole; 613, first lock hole; 620, second cover; 621, second limiting slot; 622, second through hole; 623, second lock hole; 700, third intermediate connecting piece; 710, second pin shaft; 711, second clamping groove; 720, second connecting sleeve; 730, second washer; 740, second clamping spring; 800, fourth intermediate connecting piece; 810, T-shaped nut; 820, third connecting sleeve; 830, third pin shaft; 831, third clamping groove; 840, third washer; 850, third clamping spring. DETAILED DESCRIPTION

[0035] In order to make the technical problems solved by the utility model, the technical scheme adopted and the technical effects reached more clear, the technical scheme of the embodiments of the utility model will be described in further detail below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0036] In the description of the utility model, unless another definite provision and limitation, the term "link", "connection", "fix" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication or two elements of the interaction relationship.For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0037] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can include the first feature and the second feature direct contact, also can include the first feature and the second feature is not direct contact but is through the contact between other features of them.Moreover, the first feature is "on", "above" and "on" the second feature includes the first feature is directly above and obliquely above the second feature, or just indicates that the horizontal height of the first feature is higher than the second feature.The first feature is "under", "below" and "under" the second feature includes the first feature is directly below and obliquely below the second feature, or just indicates that the horizontal height of the first feature is less than the second feature.

[0038] In the description of the embodiment, if the terms "up", "down", "left", "right" and other orientation or position relationship appear, are based on the orientation or position relationship shown in the drawing, only for the convenience of description and simplification of operation, and not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model.In addition, if the terms "first", "second" and the like appear, only for distinguishing in the description, and have no special meaning.

[0039] As Figures 1 to 12 As shown in the utility model discloses an adjustable truck card board limiting device, can be placed in the truck and be located between the card board and the truck's car inner wall, adjustable truck card board limiting device includes fixed frame 100, movable frame 200, connecting rod 300, adjusting part 400 and locking part 500, fixed frame 100 and movable frame 200 are arranged in parallel, connecting rod 300 is rotatably connected with fixed frame 100 at one end along its length direction, and the other end is rotatably connected with movable frame 200;Adjusting part 400 is connected with fixed frame 100 and movable frame 200, for adjusting the distance between fixed frame 100 and movable frame 200, make fixed frame 100 and the car inner wall and the card board opposite the car inner wall one of the two contacts and make movable frame 200 and the car inner wall and the card board opposite the car inner wall one of the two contacts;Locking part 500 is connected with adjusting part 400, for selectively locking adjusting part 400.

[0040] It can be understood that the length of the fixed frame 100 and the movable frame 200 extends along the X direction, the movable frame 200 is located on one side of the fixed frame 100 along the Y direction, the fixed frame 100 and the movable frame 200 are parallel to each other, the connecting rod 300 is located on one side of the fixed frame 100 and the movable frame 200 along the Z direction (the X direction, the Y direction and the Z direction are perpendicular to each other), the connecting rod 300 is rotatably connected with the fixed frame 100 and the movable frame 200 respectively, the adjusting member 400 is connected with the fixed frame 100 and the movable frame 200, and the distance between the fixed frame 100 and the movable frame 200 can be adjusted according to the distance between the side surface of the pallet along the transverse direction of the truck compartment and the inner wall of the truck compartment, so that the adjustable truck pallet limiting device is in contact with the inner wall of the truck compartment and the outer side surface of the pallet along the transverse direction of the truck compartment respectively, the pallet is limited, and the dislocation of the two pallets in the longitudinal direction (X direction) is avoided due to the movement of the pallet in the transverse direction (Y direction) or the oblique direction. After the distance between the fixed frame 100 and the movable frame 200 is adjusted, the adjusting member 400 is locked.

[0041] The adjustable truck pallet limiting device of the embodiment is suitable for limiting the H-shaped pallet (referred to as a pallet) at the inner end of the truck compartment, so as to avoid the movement of the pallet in the transverse direction of the truck compartment or the oblique direction, and ensure that the card slot below the longitudinally arranged pallets can always remain in alignment. When unloading is needed, the forklift can be inserted below the two pallets in the longitudinal direction at one time to unload, thereby improving the unloading efficiency.

[0042] Wherein, whether the fixed frame 100 is in contact with the inner wall of the truck compartment or the outer side of the pallet depends on the placement position of the adjustable truck pallet limiting device in the truck compartment, which will not be described in detail.

[0043] Further, as shown in Figures 1 to 3 、 Figure 6 、 Figure 7 and Figure 9 , the adjusting member 400 includes a mounting frame 410, a screw rod 420, a crank 430, a first intermediate connecting piece 440, a second intermediate connecting piece 450 and a handle assembly 460. The mounting frame 410 is provided with a mounting hole 411 along the length direction thereof, the screw rod 420 is installed in the mounting hole 411, the outer periphery of the mounting frame 410 is provided with a sliding groove 412, the length of the sliding groove 412 extends along the length direction of the mounting frame 410, the sliding groove 412 is in communication with the mounting hole 411, one end of the first intermediate connecting piece 440 is threadedly connected with the screw rod 420, and the other end thereof is rotatably connected with the crank 430 through the sliding groove 412; one end of the crank 430 away from the first intermediate connecting piece 440 is rotatably connected with the movable frame 200, and the other end thereof is rotatably connected with the first intermediate connecting piece 440; as shown in Figure 9The one end of the mounting frame 410 along the length direction is connected with the fixing frame 100 through the second intermediate connecting piece 450, the handle assembly 460 is installed at the end of the mounting frame 410 away from the fixing frame 100, the handle assembly 460 is in transmission connection with the screw rod 420, and the handle assembly 460 is used for driving the screw rod 420 to rotate; the locking piece 500 is connected with the handle assembly 460.

[0044] In the embodiment, the mounting frame 410 is connected with the fixing frame 100 through the second intermediate connecting piece 450, and the screw rod 420 is installed in the mounting hole 411 of the mounting frame 410, the first intermediate connecting piece 440 is in threaded connection with the screw rod 420, one end of the crank 430 along the length direction is in rotation connection with the movable frame 200, the other end is in rotation connection with the first intermediate connecting piece 440, the screw rod 420 can be driven to rotate through the handle assembly 460, the first intermediate connecting piece 440 passes through the sliding groove 412, the rotation of the first intermediate connecting piece 440 can be avoided, so that the first intermediate connecting piece 440 can only move along the length direction of the screw rod 420, i.e. the sliding groove 412, the first intermediate connecting piece 440 drives the crank 430 to move, at the same time, the crank 430 rotates around the first intermediate connecting piece 440, the other end of the crank 430 also rotates relative to the movable frame 200, so that the inclination angle between the crank 430 and the fixing frame 100 changes, thereby realizing the adjustment of the distance between the fixing frame 100 and the movable frame 200, and after the adjustment is completed, the handle assembly 460 is locked through the locking piece 500, so that the handle assembly 460 continues to drive the screw rod 420 to rotate.

[0045] Further, the adjustable truck board limiting device of the embodiment further comprises a cover assembly 600, as shown in Figure 2 and Figure 3 The cover assembly 600 comprises a first cover 610 and a second cover 620, the first cover 610 and the second cover 620 are installed at the end of the mounting frame 410 away from the fixing frame 100, the second cover 620 is located between the first cover 610 and the mounting frame 410, the first cover 610 is provided with a first limiting groove 611 and a first through hole 612 located at the groove bottom of the first limiting groove 611 towards the second cover 620, the second cover 620 is provided with a second limiting groove 621 and a second through hole 622 located at the groove bottom of the second limiting groove 621 towards the first cover 610, a limiting portion 470 is annularly arranged on the outer periphery of the screw rod 420 and adjacent to the handle assembly 460, the screw rod 420 passes through the second through hole 622 and the first through hole 612 and is connected with the handle assembly 460, and the limiting portion 470 is located in the accommodating cavity formed by the first limiting groove 611 and the second limiting groove 621.

[0046] The first limiting groove 611 of the first cover 610 and the second limiting groove 621 of the second cover 620 form accommodating cavities with the limiting portions 470 protruding from the outer periphery of the screw rod 420, the two end faces of the limiting portions 470 along the length direction of the screw rod 420 are in contact with the groove bottoms of the first limiting groove 611 and the second limiting groove 621 respectively, so that the movement of the screw rod 420 along the length direction can be limited. The end portion of the screw rod 420 is in transmission connection with the handle assembly 460 through the cover assembly 600, so that the screw rod 420 can be directly driven to rotate by the handle assembly 460.

[0047] Further, as Figure 3 The handle assembly 460 comprises a handle seat 461 and a handle 462, the handle seat 461 is provided with a clamping hole 4611 opposite to the screw rod 420, the screw rod 420 is clamped with the clamping hole 4611, the handle 462 is fixedly connected with the handle seat 461, and is used for driving the handle seat 461 to rotate the screw rod 420, the locking member 500 is installed on the handle seat 461, and is used for selectively limiting the rotation of the handle seat 461.

[0048] The end portion of the screw rod 420 is clamped in the clamping hole 4611, the handle 462 is fixedly connected with the handle seat 461, so that the handle seat 461 and the screw rod 420 can be driven to rotate around the axis of the screw rod 420 by pushing the handle 462.

[0049] Exemplarily, the clamping hole 4611 is a square structure, the position adjacent to the end portion of the outer periphery of the screw rod 420 corresponds to four inner walls of the clamping hole 4611 respectively, which are planes, so that the screw rod 420 can be stably clamped with the clamping hole 4611, and the assembly and disassembly are facilitated. The non-rotation axis position of the handle seat 461 is provided with a threaded connection hole 4612, the handle 462 is screwed with the threaded connection hole 4612, so as to realize the fixation; the threaded connection hole 4612 is arranged at the position adjacent to the edge of the handle seat 461, and the handle seat 461 and the screw rod 420 can be easily driven to rotate by pushing the handle 462.

[0050] Further, as Figure 4 and Figure 5As shown, the locking member 500 comprises a spring seat 510, a spring 520, a locking pin 530 and a locking pin cap 540. The locking pin 530 comprises a locking pin body 531 and a pin stud 532 protruding from the outer periphery of the locking pin body 531. The locking pin cap 540 is provided with a first mounting slot 541 and a third through hole 542 penetrating the bottom of the first mounting slot 541 on the side facing the spring seat 510. The hole wall of the third through hole 542 is provided with a locking slot 543. The spring seat 510 is provided with a second mounting slot 511 and a fourth through hole 512 penetrating the bottom of the second mounting slot 511 on the side facing the locking pin cap 540. The locking pin body 531 is arranged in the third through hole 542 and the fourth through hole 512. The locking pin 530 can rotate relative to the locking pin cap 540 and move along the length direction of the locking pin body 531. The spring 520 abuts against the pin stud 532 and the bottom of the second mounting slot 511 respectively. The spring seat 510 is connected to the non-central position of the handle seat 461. As shown in Figure 2 and Figure 3 The first cover 610 is provided with a plurality of first locking holes 613 matched with the locking pin body 531. The locking member 500 has a locking state and a non-locking state. When the locking member 500 is in the locking state, the end of the pin stud 532 away from the spring 520 abuts against the bottom of the first mounting slot 541, and the locking pin body 531 is inserted into a corresponding first locking hole 613. When the locking member 500 is in the non-locking state, the locking pin body 531 is located in the locking slot 543, and the locking pin body 531 is separated from the first locking hole 613. The handle 462 can drive the handle seat 461 to rotate the screw rod 420.

[0051] Exemplarily, the handle seat 461 is provided with a clamping slot 4613 adjacent to the outer periphery thereof. The spring seat 510 is connected to the clamping slot 4613.

[0052] The locking pin 530 in the embodiment can rotate around its own axis and can be moved along its own length direction by pressing or pulling back. When the distance between the fixed frame 100 and the movable frame 200 needs to be adjusted, the locking piece 500 is in the non-locking state, at this time the pin 532 can be located in the lock slot 543, the locking pin body 531 is separated from the first cover 610, the spring 520 is in abutment with the pin 532 and the bottom of the second mounting groove 511 respectively, and the pin 532 can be kept in the lock slot 543 at all times without external force; the handle 462 drives the handle seat 461 to drive the screw rod 420 to rotate, and after the distance between the fixed frame 100 and the movable frame 200 is adjusted, the locking pin 530 is pressed down to separate the pin 532 from the lock slot 543, and at the same time the locking pin body 531 is inserted into one of the first lock holes 613 opened on the first cover 610 to limit the rotation of the handle seat 461, and then the locking pin 530 is immediately rotated to make the pin 532 in contact with the bottom of the first mounting groove 541, and the locking piece 500 is in the locking state, at this time the pin 532 is always in abutment with the bottom of the first mounting groove 541 under the action of the spring 520, so that the locking pin 530 is prevented from being accidentally rotated without external force.

[0053] Further, as shown in Figure 3 , the second cover 620 is provided with second lock holes 623 corresponding to the first lock holes 613, and the number of the first lock holes 613 and the second lock holes 623 is four respectively. The first cover 610 and the second cover 620 are rectangular structures, and the four first lock holes 613 are symmetrically distributed adjacent to the four edges of the first cover 610, and the four second lock holes 623 are symmetrically distributed adjacent to the four edges of the second cover 620.

[0054] Exemplarily, the number of the pins 532 is two, and the two pins 532 are symmetrically arranged on the outer periphery of the locking pin body 531, and the two pins 532 are arranged at 180° therebetween to facilitate rotation adjustment. The depth of the lock slot 543 is consistent with the height of the pin 532, and when the pin 532 is located in the lock slot 543, the spring 520 can be in abutment with the bottom of the first mounting groove 541 and the pin 532 at the same time.

[0055] As shown in Figures 7 to 8 , the first intermediate connecting piece 440 includes a threaded cylinder 441, a connecting column 442 and a first pin shaft 443. The threaded cylinder 441 is screwed with the screw rod 420, the connecting column 442 is protruded on the outer periphery of the threaded cylinder 441, the connecting column 442 is provided with a threaded hole communicating with the inner hole of the threaded cylinder 441, one end of the first pin shaft 443 is screwed with the threaded hole, and the other end is rotatably connected with the crank 430 through the sliding slot 412. When the handle 462 pushes the handle seat 461 to drive the screw rod 420 to rotate, the threaded cylinder 441 and the connecting column 442 and the first pin shaft 443 move along the length direction of the screw rod 420, and the crank 430 rotates around the axis of the first pin shaft 443.

[0056] Further, the first intermediate connecting piece 440 further comprises a first connecting sleeve 444, a first washer 445 and a first circlip 446, the first connecting sleeve 444 is sleeved on the outer periphery of the first pin shaft 443, the crank 430 is provided with a first connecting hole matched with the first connecting sleeve 444, the first connecting sleeve 444 is located in the first connecting hole, the two ends of the first connecting sleeve 444 are flush with the end faces of the crank 430, the outer periphery of the first pin shaft 443 and away from the connecting column 442 is provided with a first clamping groove 4431, the first circlip 446 is clamped and matched with the first clamping groove 4431, the first washer 445 is sleeved on the outer periphery of the first pin shaft 443 and located between the first circlip 446 and the crank 430, and the first circlip 446 abuts against the first washer 445.

[0057] The length of the first connecting sleeve 444 is consistent with the depth of the first connecting hole on the crank 430, that is, the two end faces of the first connecting sleeve 444 are flush with the two end faces of the crank 430; the first circlip 446 is clamped with the first clamping groove 4431 on the outer periphery of the first pin shaft 443 and abuts against the first washer 445, so that one side of the crank 430 is in contact with the first washer 445 and the other side is in contact with the connecting column 442, thereby avoiding the movement of the crank 430 along the length direction of the first pin shaft 443 during rotation and affecting the smoothness of rotation.

[0058] Further, as shown in Figure 9 and Figure 10 , the second intermediate connecting piece 450 comprises a first connecting part 451 and a second connecting part 452, the one end of the fixed frame 100 facing the mounting frame 410 is provided with a second connecting hole 110, the second connecting part 452 comprises a cylindrical body 4521 and a cuboid 4522, the cuboid 4522 is located at one end of the cylindrical body 4521, the one end of the mounting frame 410 facing the fixed frame 100 is provided with a third connecting hole 413, the third connecting hole 413 is communicated with the mounting hole 411, the cylindrical body 4521 is inserted and matched with the mounting hole 411 and locked by a bolt, one end of the first connecting part 451 is inserted into the second connecting hole 110, the other end is overlapped with the cuboid 4522 and inserted and matched with the third connecting hole 413 and locked by a bolt.

[0059] The first connecting part 451 is provided with a plurality of threaded holes at intervals along the length direction thereof, the side surface of the fixing frame 100 is provided with a first connecting groove 120 along the length direction thereof, the first connecting groove 120 is communicated with the second connecting hole 110, the first connecting part 451 is partially inserted into the second connecting hole 110, a bolt is screwed into the corresponding threaded hole through the first connecting groove 120, and the bolt is of a T-shaped structure, a segment parallel to the fixing frame 100 is in surface contact with the fixing frame 100, so as to realize the fixed connection of the first connecting part 451 and the fixing frame 100. The second connecting part 452 is used for connecting the first connecting part 451 and the mounting frame 410, a segment of the first connecting part 451 exposed from the fixing frame 100 is overlapped with the cuboid 4522 of the second connecting part 452, after the cylinder 4521 is inserted into the mounting hole 411, the first connecting part 451 and the cuboid 4522 are inserted into the corresponding third connecting hole 413 after being overlapped, correspondingly, the sliding groove 412 of the side surface of the mounting frame 410 extends to both ends of the mounting frame 410 along the length direction, the sliding groove 412 is communicated with the third connecting hole 413, the bolt is screwed into the corresponding threaded hole through the sliding groove 412, the connection of the first connecting part 451, the second connecting part 452 and the mounting frame 410 is realized, so as to realize the connection of the fixing frame 100 and the mounting frame 410.

[0060] In the embodiment, the end of the crank 430 away from the mounting frame 410 and the end of the connecting rod 300 away from the fixing frame 100 are respectively connected with the movable frame 200 through a third intermediate connecting piece 700, and the end of the connecting rod 300 away from the movable frame 200 is connected with the fixing frame 100 through a fourth intermediate connecting piece 800.

[0061] Taking the connection of the crank 430 and the movable frame 200 through the third intermediate connecting piece 700 as an example, as shown in Figure 11 The third intermediate connecting piece 700 includes a second pin shaft 710, a second connecting sleeve 720, a second gasket 730 and a second snap spring 740, the crank 430 is provided with a fourth connecting hole matched with the second connecting sleeve 720, the movable frame 200 is provided with a fifth connecting hole matched with the second connecting sleeve 720, the second connecting sleeve 720 is arranged in the fourth connecting hole and the fifth connecting hole, the second pin shaft 710 is of a T-shaped structure, passes through the inner hole of the second connecting sleeve 720 and extends to the outside of the movable frame 200, the outer periphery of the second pin shaft 710 and the end away from the crank 430 are provided with a second clamping groove 711, the second snap spring 740 is clamped and matched with the second clamping groove 711, the second gasket 730 is sleeved on the outer periphery of the second pin shaft 710 and located between the second snap spring 740 and the movable frame 200, and the second snap spring 740 is in abutment with the second gasket 730.

[0062] Optionally, as shown in Figure 12As shown, the fourth intermediate connecting piece 800 comprises a T-shaped nut 810, a third connecting sleeve 820, a third pin shaft 830, a third washer 840 and a third circlip 850, the second connecting hole 110 and the first connecting slot 120 extend along the length direction of the fixing frame 100 to penetrate the fixing frame 100, the structure of the second connecting hole 110 and the first connecting slot 120 is matched with the T-shaped nut 810, the T-shaped nut 810 is partially located in the second connecting hole 110 and partially located in the first connecting slot 120, the connecting rod 300 is provided with a sixth connecting hole matched with the third connecting sleeve 820, the third connecting sleeve 820 is arranged in the sixth connecting hole, the third pin shaft 830 is threadedly connected with the T-shaped nut 810 through the inner hole of the third connecting sleeve 820, the end of the third pin shaft 830 away from the T-shaped nut 810 extends to the outside of the connecting rod 300, the third pin shaft 830 is arranged outside the outer periphery of the connecting rod 300 and is provided with a third clamping groove 831, the third circlip 850 is clamped and matched with the third clamping groove 831, the third washer 840 is sleeved on the outer rear of the third pin shaft 830 and is located between the third circlip 850 and the connecting rod 300, and the third circlip 850 abuts against the third washer 840.

[0063] Further, the end of the crank 430 away from the mounting frame 410 is rotationally connected with the end adjacent to the length direction of the movable frame 200 through the third intermediate connecting piece 700, and / or the number of the connecting rods 300 is multiple, and the multiple connecting rods 300 are arranged at intervals along the length direction of the fixing frame 100. By connecting the crank 430 with the end adjacent to the length direction of the movable frame 200, when the adjustable truck board limiting device is placed in the truck compartment, the handle assembly 460 on the mounting frame 410 is arranged adjacent to the outlet of the truck compartment to facilitate adjustment.

[0064] When the truck compartment is long, the lengths of the fixing frame 100 and the movable frame 200 are long, at this time, multiple connecting rods 300 are needed, for example, as shown in Figure 1 As shown, four connecting rods 300 are used to connect the fixing frame 100 and the movable frame 200 to improve the adjustment stability and keep the fixing frame 100 and the movable frame 200 parallel at all times. When multiple connecting rods 300 are used, the multiple connecting rods 300 are arranged at intervals along the length direction of the fixing frame 100 and the movable frame 200, when the connecting rod 300 is perpendicular to the fixing frame 100 and the movable frame 200, the distance between the fixing frame 100 and the movable frame 200 is maximum, and when the opposite sides of the fixing frame 100 and the movable frame 200 are attached to each other, the distance between the fixing frame 100 and the movable frame 200 is minimum.

[0065] In this embodiment, the fixing frame 100, the mounting frame 410, the movable frame 200, the crank 430 and the connecting rod 300 are all aluminum profiles, and details are not repeated here.

[0066] It should be noted that the above examples are only used to illustrate the technical solutions of the present application, and not to limit them. Although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacements for some or all of the technical features therein. Such modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be covered in the scope of the claims and the specification of the present application. In particular, as long as there is no structural conflict, each technical feature mentioned in each embodiment can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An adjustable truck pallet limiting device, placed inside a truck and positioned between the pallet and the inner wall of the truck's cargo compartment, characterized in that, The adjustable truck card limiting device comprises a fixed frame, a movable frame, a connecting rod, an adjusting member and a locking member, the fixed frame and the movable frame are arranged in parallel, one end of the connecting rod is rotationally connected with the fixed frame along the length direction of the connecting rod, and the other end is rotationally connected with the movable frame; the adjusting member is connected with the fixed frame and the movable frame, and is used for adjusting the distance between the fixed frame and the movable frame, so that the fixed frame is in contact with one of the truck inner wall and the side of the card plate facing the truck inner wall, and the movable frame is in contact with the other of the truck inner wall and the side of the card plate facing the truck inner wall; the locking member is connected with the adjusting member, and is used for selectively locking the adjusting member.

2. The adjustable truck bed board stop of claim 1, wherein, The adjusting member comprises a mounting frame, a screw rod, a crank, a first intermediate connecting member, a second intermediate connecting member and a handle assembly, the mounting frame is provided with a mounting hole along the length direction of the mounting frame, the screw rod is installed in the mounting hole, a sliding groove is formed in the outer periphery of the mounting frame, the length of the sliding groove extends along the length direction of the mounting frame, the sliding groove is in communication with the mounting hole, one end of the first intermediate connecting member is threadedly connected with the screw rod, and the other end is rotationally connected with the crank through the sliding groove; one end of the crank away from the first intermediate connecting member is rotationally connected with the movable frame, and the other end is rotationally connected with the first intermediate connecting member; one end of the mounting frame along the length direction is connected with the fixed frame through the second intermediate connecting member, the handle assembly is installed at the other end of the mounting frame away from the fixed frame, the handle assembly is in transmission connection with the screw rod, and is used for driving the screw rod to rotate; the locking member is connected with the handle assembly.

3. The adjustable truck bed board stop of claim 2, wherein, Further comprising a cover assembly, the cover assembly comprises a first cover and a second cover, the first cover and the second cover are installed at the other end of the mounting frame away from the fixed frame, the second cover is located between the first cover and the mounting frame, the first cover is provided with a first limiting groove and a first through hole at the groove bottom of the first limiting groove towards the second cover, the second cover is provided with a second limiting groove and a second through hole at the groove bottom of the second limiting groove towards the first cover, a limiting portion is annularly arranged on the outer periphery of the screw rod and adjacent to the handle assembly, the screw rod is connected with the handle assembly through the second through hole and the first through hole, and the limiting portion is located in the accommodating cavity formed by the first limiting groove and the second limiting groove.

4. The adjustable truck bed board stop of claim 3, wherein, The handle assembly comprises a handle seat and a handle, the handle seat is provided with a clamping hole opposite to the screw rod, the screw rod is clamped with the clamping hole, the handle is fixedly connected with the handle seat, and is used for driving the handle seat to rotate the screw rod, and the locking member is installed on the handle seat and is used for selectively limiting the rotation of the handle seat.

5. The adjustable truck bed board stop of claim 4, wherein, The locking piece comprises a spring seat, a spring, a locking pin and a locking pin cap, the locking pin comprises a locking pin body and a pin stud, the pin stud is protruded on the outer periphery of the locking pin body, the locking pin cap is provided with a first installation slot and a third through hole penetrating the slot bottom of the first installation slot on the side facing the spring seat, the hole wall of the third through hole is provided with a locking slot, the spring seat is provided with a second installation slot and a fourth through hole penetrating the slot bottom of the second installation slot on the side facing the locking pin cap, the locking pin body is arranged in the third through hole and the fourth through hole, the locking pin can rotate relative to the locking pin cap and move along the length direction of the locking pin body, the spring is respectively abutted with the pin stud and the slot bottom of the second installation slot; the spring seat is clamped with the non-central position of the handle seat; the first cover is provided with a plurality of first lock holes matched with the locking pin body; The locking piece has a locking state and a non-locking state, when the locking piece is in the locking state, the end of the pin stud away from the spring is abutted with the slot bottom of the first installation slot, and the locking pin body is inserted into a corresponding one of the first lock holes; when the locking piece is in the non-locking state, the locking pin body is located in the locking slot, the locking pin body is separated from the first lock hole, and the handle can drive the handle seat to rotate the screw rod.

6. The adjustable truck bed board stop of claim 2, wherein, The first intermediate connecting piece comprises a threaded cylinder, a connecting column and a first pin shaft, the threaded cylinder is screwed with the screw rod, the connecting column is protruded on the outer periphery of the threaded cylinder, the connecting column is provided with a threaded hole communicated with the inner hole of the threaded cylinder, one end of the first pin shaft is screwed with the threaded hole, and the other end is rotatably connected with the crank through the sliding groove.

7. The adjustable truck bed board stop of claim 6, wherein, The first intermediate connecting piece further comprises a first connecting sleeve, a first gasket and a first clamping spring, the first connecting sleeve is sleeved on the outer periphery of the first pin shaft, the crank is provided with a first connecting hole matched with the first connecting sleeve, the first connecting sleeve is located in the first connecting hole, and the two ends of the first connecting sleeve are flush with the end faces of the crank, the outer periphery of the first pin shaft and the end away from the connecting column are annularly provided with a first clamping groove, the first clamping spring is clamped and matched with the first clamping groove, and the first gasket is sleeved on the outer periphery of the first pin shaft and located between the first clamping spring and the crank, and the first clamping spring is abutted with the first gasket.

8. The adjustable truck bed board stop of claim 2, wherein, The second intermediate connecting piece comprises a first connecting part and a second connecting part, the fixed frame is provided with a second connecting hole matched with the first connecting part on the end facing the mounting frame, the second connecting part comprises a cylindrical body and a cuboid, the cuboid is located at one end of the cylindrical body, the mounting frame is provided with a third connecting hole on the end facing the fixed frame, the third connecting hole is communicated with the mounting hole, the cylindrical body is inserted and matched with the mounting hole and locked by a bolt, one end of the first connecting part is inserted into the second connecting hole, the other end is overlapped with the cuboid and inserted and matched with the third connecting hole and locked by a bolt.

9. The adjustable truck bed board stop of any of claims 2-8, wherein, The end of the crank away from the mounting frame and the end of the connecting rod away from the fixed frame are respectively connected with the movable frame through a third intermediate connecting piece.

10. The adjustable truck bed board stop of claim 9, wherein, The end of the crank away from the mounting frame is connected with the end of the movable frame adjacent to the length direction of the movable frame through the third intermediate connecting piece; and / or, The number of the connecting rods is multiple, and the multiple connecting rods are arranged at intervals along the length direction of the fixed frame.

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