Adjustable tail plate

Abstract

The utility model discloses an adjustable tail board which comprises a support, a tail board body and a tail board body. The supporting assembly is used for supporting goods; the swing assembly comprises a connecting rod frame and an adjusting rod which are distributed up and down, the two ends of the connecting rod frame are hinged to the support and the supporting assembly respectively, the two ends of the adjusting rod are hinged to the support and the supporting assembly respectively, and the connecting rod frame, the adjusting rod, the support and the supporting assembly form a parallelogram connecting rod structure; the adjusting rod comprises a sleeve body, a first screw rod and a second screw rod, the interior of the sleeve body is in threaded connection with the first screw rod and the second screw rod, the first screw rod and the second screw rod are arranged at the two ends of the sleeve body respectively, and threads of the first screw rod and threads of the second screw rod are oppositely arranged; and the power assembly is connected with the swing assembly and used for driving the connecting rod frame to swing up and down. According to the utility model, the fixed screw rod is used for replacing a turning plate oil cylinder, and the innovative design is used for replacing a telescopic turning plate oil cylinder, so that the maintenance cost and the oil consumption can be reduced, and the product is lighter and longer in service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tail board, especially adjustable tail board. BACKGROUND

[0002] In the field of logistics loading and unloading equipment, the tail board is the core mechanism for transferring goods between the truck and the ground, and its stability during long-term use directly affects the loading and unloading efficiency and operation safety. The existing tail board device generally adopts a combination of a connecting rod structure and hydraulic drive to drive the tail board to realize the lifting function of the base. However, there is a hinge point between the connecting rod structure and the tail board, and in long-term high-load operation, the frequent lifting and heavy-load operation of the tail board cause wear and tear at the hinge point, uneven stress on the tail board, and tilting of the entire tail board. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides an adjustable tail board which can compensate for the wear gap of the hinge point after long-term use, restore the structural symmetry, and keep the tail board in a horizontal state when supporting the goods.

[0004] According to the adjustable tail board of the utility model embodiment, the tail board comprises a support, a support assembly for supporting goods, and a swing assembly comprising a connecting rod frame and an adjusting rod. The connecting rod frame and the adjusting rod are arranged in an up-down distribution, and the two ends of the connecting rod frame are respectively hinged to the support and the support assembly. The two ends of the adjusting rod are respectively hinged to the support and the support assembly. The connecting rod frame, the adjusting rod, the support, and the support assembly form a parallelogram connecting rod structure. The adjusting rod comprises a sleeve, a first screw rod, and a second screw rod. The inside of the sleeve is threadedly connected to the first screw rod and the second screw rod. The two ends of the sleeve are respectively arranged with the first screw rod and the second screw rod. The thread directions of the first screw rod and the second screw rod are oppositely arranged. A power assembly is connected to the swing assembly, and the power assembly is used to drive the connecting rod frame to swing up and down.

[0005] According to the adjustable tail board of the utility model embodiment, the tail board has at least the following beneficial effects:

[0006] 1. The utility model discloses a connecting rod frame and an adjusting rod, one end of the connecting rod frame and the adjusting rod is hinged to the support, and the other end of the connecting rod frame and the adjusting rod is hinged to the support assembly. Furthermore, the connecting rod frame, the adjusting rod, the support, and the support assembly form a parallelogram connecting rod structure. The connecting rod frame and the adjusting rod can swing up and down simultaneously. Therefore, the power assembly can drive the support assembly to move up and down, so that the support assembly can lift the goods, the tail board can realize the loading and unloading function, the parallelogram connecting rod structure can keep the support assembly in a horizontal state at all times, the stability of lifting is improved, the structural strength of the swing assembly is also improved, and the risk of fracture and deformation of the swing assembly is reduced.

[0007] 2. The utility model discloses a set up sleeve body, first screw rod and second screw rod, tail board long heavy lifting operation, the hinge point of parallelogram linkage structure is easy to produce wear gap, through with the first screw rod and the second screw rod opposite setting, rotate sleeve body, make the first screw rod and the second screw rod relative movement close or far away, thereby, can change the length of adjusting rod itself, compensate the wear gap of hinge point after long -term use, restore symmetry, ensure that connecting rod frame, adjusting rod, support and support assembly form parallelogram linkage structure, make tail board support goods when being in horizontal state, avoid the inclination of tail board support goods.

[0008] According to the utility model embodiment a tail board of can adjust, sleeve body's both ends have first nut and second nut, first nut is with first screw rod screw, second nut is with second screw rod screw.

[0009] According to the utility model embodiment a tail board of can adjust, support assembly includes the first support plate and second support plate of hinge setting, first support plate and second support plate can be relatively unfolded and form support surface.

[0010] According to the utility model embodiment a tail board of can adjust, first support plate is provided with the protruding portion, and when folding first support plate and second support plate, the protruding portion is used for abutting with second support plate.

[0011] According to the utility model embodiment a tail board of can adjust, the bottom of first support plate is provided with first support, and first support includes the first vertical plate, second vertical plate and third vertical plate of side by side setting, first vertical plate and second vertical plate are provided with first shaft pin between, first screw rod is provided with hinge ring, and hinge ring is sleeved in first shaft pin, second vertical plate and third vertical plate are provided with second shaft pin between, and the end of connecting rod frame is rotatably arranged in second shaft pin.

[0012] According to the utility model embodiment a tail board of can adjust, first shaft pin is sleeved with bearing, and bearing is used for abutting with ground.

[0013] According to the utility model embodiment a tail board of can adjust, swing assembly is provided with two, and power assembly includes two hydraulic rods, and two hydraulic rods are connected with two swing assemblies respectively.

[0014] According to the utility model embodiment a tail board of can adjust, the piston rod of hydraulic rod is hinged with connecting rod frame, and the cylinder body of hydraulic rod is hinged with support.

[0015] According to the adjustable tail plate of the utility model embodiments, the connecting rod frame between the two swing assemblies is connected with a reinforcing rod.

[0016] According to the adjustable tail plate of the utility model embodiments, the connecting rod frame between the two swing assemblies is connected with a reinforcing rod.

[0017] The additional aspects and advantages of the utility model will be partly given in the following description, partly will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the utility model embodiments or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description only some embodiments of the utility model, for the ordinary skilled in the art, without paying the creative labor, can also obtain other drawings according to these drawings.

[0019] Figure 1 It is the three-dimensional structure schematic view of the adjustable tail plate of the utility model embodiments;

[0020] Figure 2 It is the front view of the adjustable tail plate of the utility model embodiments;

[0021] Figure 3 It is Figure 2 It is the sectional view of the adjustable tail plate;

[0022] Figure 4 It is Figure 3 It is the local view of the adjustable tail plate;

[0023] Figure 5 It is Figure 1 It is the three-dimensional structure schematic view of the adjustable tail plate;

[0024] Figure 6 It is Figure 2 It is the support assembly folding state view of the adjustable tail plate.

[0025] Reference signs: 100 - support, 110 - swing assembly, 120 - connecting rod support, 130 - adjusting rod, 140 - sleeve body, 150 - first screw rod, 160 - second screw rod, 170 - first nut, 180 - second nut, 190 - first support plate, 200 - second support plate, 210 - protruding part, 220 - first vertical plate, 230 - second vertical plate, 240 - third vertical plate, 250 - first shaft pin, 260 - second shaft pin, 270 - bearing, 280 - hydraulic rod, 290 - reinforcing rod, 300 - gear, 310 - rack, 320 - hinged ring. DETAILED DESCRIPTION

[0026] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for the purpose of explaining the present application, and cannot be understood as a limitation of the present application.

[0027] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0028] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If the first and the second are described, this is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the order of indicated technical features.

[0029] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting, connecting and connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] A kind of adjustable tailboard according to the embodiments of the present application is described below in conjunction with the drawings.

[0031] Reference Figure 1The utility model aims at providing an embodiment of adjustable tail plate.

[0032] The utility model discloses an embodiment of adjustable tail plate, refer to Figure 1 And Figure 2 , including support 100, support subassembly and swing subassembly 110, support subassembly is used for supporting goods, swing subassembly 110 includes connecting rod frame 120 and adjusting rod 130, and connecting rod frame 120 and adjusting rod 130 are distributed up and down, and the both ends of connecting rod frame 120 are respectively hinged with support 100 and support subassembly, and the both ends of adjusting rod 130 are respectively hinged with support 100 and support subassembly, refer to Figure 2 Dotted line position, connecting rod frame 120, adjusting rod 130, support 100 and support subassembly form parallelogram linkage structure.

[0033] The utility model discloses an embodiment of adjustable tail plate, including power component, power component is connected with swing subassembly 110, and power component is used to drive connecting rod frame 120 swing up and down.

[0034] It can be understood that, the embodiment is through setting connecting rod frame 120 and adjusting rod 130, and one end of connecting rod frame 120 and adjusting rod 130 is hinged with support 100, and the other end of connecting rod frame 120 and adjusting rod 130 is hinged with support subassembly, and, connecting rod frame 120, adjusting rod 130, support 100 and support subassembly form parallelogram linkage structure, and connecting rod frame 120 and adjusting rod 130 can swing up and down simultaneously, thereby, utilize power component to be able to drive support subassembly to move up and down, make support subassembly can lift goods, make tail plate realize loading and unloading function, and parallelogram linkage structure makes support subassembly always keep horizontal posture, improve the stability of lifting, also improve the structural strength of swing subassembly 110, reduce the risk that swing subassembly 110 appears fracture, deformation.

[0035] Specifically, refer to Figure 4 Adjusting rod 130 includes sleeve body 140, first screw rod 150 and second screw rod 160, and the inside of sleeve body 140 is threadedly connected with first screw rod 150 and second screw rod 160, and the both ends of sleeve body 140 are arranged with first screw rod 150 and second screw rod 160 respectively, and the thread direction of first screw rod 150 and second screw rod 160 is reversely arranged.

[0036] It can be understood that, through the setting of the sleeve body 140, the first screw rod 150 and the second screw rod 160, the tail plate is subjected to long-term heavy load lifting operation, and wear gaps are prone to be generated at the hinge points of the parallelogram linkage structure, the thread screw directions of the first screw rod 150 and the second screw rod 160 are oppositely arranged, the sleeve body 140 is rotated, the first screw rod 150 and the second screw rod 160 are relatively moved to be close to or away from each other, thereby the length of the adjusting rod 130 can be changed, the wear gaps of the hinge points after long-term use are compensated, the structural symmetry is restored, the parallelogram linkage structure is formed by the linkage frame 120, the adjusting rod 130, the support 100 and the support assembly, and the tail plate is kept in a horizontal state when supporting the goods, so that the inclination of the tail plate when supporting the goods is avoided.

[0037] In some embodiments of the utility model, still include translation subassembly, translation subassembly includes meshing gear 300 and rack 310, power part that drives gear 300 rotation, support 100 is connected with gear 300.

[0038] It can be understood that, through the gear 300, the rack 310 and the power part, the power part drives the gear 300 to rotate, the gear 300 and the rack 310 are in meshing transmission, so that the gear 300 drives the support 100 to move horizontally, thereby the tail plate can be moved out from the bottom of the vehicle, and the tail plate is convenient for loading and unloading goods.

[0039] In some embodiments of the utility model, two swing assemblies 110 are arranged, and the power assembly includes two hydraulic rods 280, and the two hydraulic rods 280 are connected with the two swing assemblies 110 respectively.

[0040] It can be understood that the two hydraulic rods 280 synchronously drive the two swing assemblies 110 on the two sides, so that the stress balance during the lifting of the support assembly is ensured, and the overturning risk caused by unilateral hydraulic failure is eliminated.

[0041] In some specific embodiments of the utility model, the piston rod of the hydraulic rod 280 is hinged with the linkage frame 120, and the cylinder body of the hydraulic rod 280 is hinged with the support 100.

[0042] It can be understood that the hydraulic rod 280 drives the linkage frame 120 to swing up and down, so that the linkage frame 120 and the adjusting rod 130 swing up and down at the same time, and the stability of the tail plate during lifting is ensured.

[0043] In some specific embodiments of the utility model, the linkage frame 120 between the two swing assemblies 110 is connected with a reinforcing rod 290.

[0044] It can be understood that, through the setting of the reinforcing rod 290, the reinforcing rod 290 increases the lateral rigidity between the two linkage frames 120, suppresses the lateral distortion under high load, and maintains the integrity of the parallelogram structure.

[0045] In some embodiments of the utility model, refer to Figure 3 , the both ends of sleeve body 140 have first nut 170 and second nut 180, first nut 170 is screwed with first screw 150, and second nut 180 is screwed with second screw 160.

[0046] It can be understood that the first nut 170 and the second nut 180 are arranged in the embodiment, the first nut 170 and the second nut 180 can be purchased in the market, and the first nut 170 and the second nut 180 can be welded at the two ends of the sleeve body 140 respectively, so that the internal thread of the sleeve body 140 does not need to be processed, and the processing difficulty of the sleeve body 140 is reduced.

[0047] In addition, the first nut 170 and the second nut 180 can be rotated by using a wrench tool, the sleeve body 140 is convenient to rotate, and therefore, the length of the adjusting rod 130 is convenient to adjust.

[0048] In some embodiments of the utility model, refer to Figure 5 The support assembly comprises first support plate 190 and second support plate 200 that are hingedly arranged, and the first support plate 190 and the second support plate 200 can be relatively unfolded to form a support surface.

[0049] It can be understood that the first support plate 190 and the second support plate 200 are arranged in the embodiment, the first support plate 190 and the second support plate 200 can be folded and unfolded, the folding support plate expands the tailboard bearing area during loading and unloading, different size goods requirements are adapted, and the loading and unloading efficiency is improved; the tailboard can be folded and stored in a non-working state, and the occupied space is reduced.

[0050] In some embodiments of the utility model, refer to Figure 4 The first support plate 190 is provided with a protruding portion 210, and the protruding portion 210 is used for abutting against the second support plate 200 when the first support plate 190 and the second support plate 200 are folded.

[0051] It can be understood that the protruding portion 210 is arranged in the embodiment, the protruding portion 210 forms a limiting structure, the two support plates are prevented from being excessively pressed to cause damage to the hinge point during folding, and the structural durability is improved.

[0052] In some embodiments of the utility model, the bottom of the first support plate 190 is provided with a first support base, the first support base comprises first vertical plate 220, second vertical plate 230 and third vertical plate 240 arranged side by side, a first shaft pin 250 is arranged between the first vertical plate 220 and the second vertical plate 230, the first screw 150 is provided with a hinge ring 320, the hinge ring 320 is sleeved on the first shaft pin 250, a second shaft pin 260 is arranged between the second vertical plate 230 and the third vertical plate 240, and the end portion of the connecting rod frame 120 is rotationally arranged on the second shaft pin 260.

[0053] It can be understood that, through the first vertical plate 220, the second vertical plate 230 and the third vertical plate 240, the first shaft pin 250 is arranged between the first vertical plate 220 and the second vertical plate 230, and the second shaft pin 260 is arranged between the second vertical plate 230 and the third vertical plate 240, so that the three vertical plate structure forms a double-shaft pin support, disperses the hinge point load, and reduces the single-point wear rate.

[0054] In some embodiments of the utility model, the first shaft pin 250 is sleeved with a bearing 270, and the bearing 270 is used for abutting against the ground.

[0055] It can be understood that, through the bearing 270, when the tail plate is unloaded, the bottom of the tail plate will contact the ground, and the bearing 270 is used for contacting the ground, and the sliding friction between the bearing 270 and the ground avoids scratches or sticking when the ground is contacted, and the moving smoothness is improved.

[0056] In the description of the present application, the description of the terms "one embodiment, some embodiments, illustrative embodiments, examples, specific examples or some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present application, the illustrative description 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 any one or more embodiments or examples in a suitable manner.

[0057] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above embodiments, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. An adjustable tailgate, characterized in that, The utility model relates to a support device for supporting goods, comprising: a support frame (100); a support assembly for supporting goods; a swing assembly (110) comprising a link frame (120) and an adjusting rod (130), the link frame (120) and the adjusting rod (130) are arranged in a vertical manner, two ends of the link frame (120) are hingedly connected to the support frame (100) and the support assembly respectively, two ends of the adjusting rod (130) are hingedly connected to the support frame (100) and the support assembly respectively, the link frame (120), the adjusting rod (130), the support frame (100) and the support assembly form a parallelogram linkage structure; the adjusting rod (130) comprises a sleeve (140), a first screw rod (150) and a second screw rod (160), the inside of the sleeve (140) is threadedly connected to the first screw rod (150) and the second screw rod (160), two ends of the sleeve (140) are arranged with the first screw rod (150) and the second screw rod (160) respectively, the thread directions of the first screw rod (150) and the second screw rod (160) are arranged in opposite directions; a power assembly connected to the swing assembly (110), the power assembly is used for driving the link frame (120) to swing vertically.

2. An adjustable tailgate according to claim 1, wherein, two ends of the sleeve (140) are provided with a first nut (170) and a second nut (180), the first nut (170) is screwed with the first screw rod (150), and the second nut (180) is screwed with the second screw rod (160).

3. An adjustable tailgate according to claim 1, wherein, the support assembly comprises a first support plate (190) and a second support plate (200) arranged in a hinged manner, the first support plate (190) and the second support plate (200) can be relatively unfolded to form a support surface.

4. An adjustable tailgate according to claim 3, wherein, the first support plate (190) is provided with a protruding portion (210), when the first support plate (190) and the second support plate (200) are folded, the protruding portion (210) is used for abutting against the second support plate (200).

5. An adjustable tailgate according to claim 3, wherein, a first support base is arranged at the bottom of the first support plate (190), the first support base comprises a first vertical plate (220), a second vertical plate (230) and a third vertical plate (240) arranged side by side, a first shaft pin (250) is arranged between the first vertical plate (220) and the second vertical plate (230), the first screw rod (150) is provided with a hinge ring (320), the hinge ring (320) is sleeved on the first shaft pin (250), a second shaft pin (260) is arranged between the second vertical plate (230) and the third vertical plate (240), and an end of the link frame (120) is rotatably arranged on the second shaft pin (260).

6. An adjustable tailgate according to claim 5, wherein, a bearing (270) is sleeved on the first shaft pin (250), and the bearing (270) is used for abutting against the ground.

7. An adjustable tailgate according to claim 1, wherein, the swing assembly (110) is provided with two, and the power assembly comprises two hydraulic rods (280), and the two hydraulic rods (280) are connected to the two swing assemblies (110) respectively.

8. An adjustable tailgate according to claim 7, wherein, The piston rod of the hydraulic rod (280) is hinged with the connecting rod frame (120), and the cylinder body of the hydraulic rod (280) is hinged with the support (100).

9. An adjustable tailgate according to claim 7, wherein, The connecting rod frame (120) between the two swing assemblies (110) is connected with a reinforcing rod (290).

10. An adjustable tailgate according to claim 1, wherein, The translation assembly further comprises a gear (300) and a rack (310) engaged and arranged, and a power member for driving the gear (300) to rotate, wherein the support (100) is connected with the gear (300).

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