JP4501943B2 - Chain mooring structure - Google Patents

Description

  The present invention relates to a chain mooring structure for mounting a gate chain, for example, at a cargo bed gate of a truck.

  In general, the opening degree of the rear gate is regulated by using a gate chain connected to a side gate in a truck bed gate. Conventionally, as shown in FIG. 13, a bracket 72 is attached to the side gate 71, and one end portion of the gate chain 75 is attached to the bracket 72. A hook-shaped bracket 74 is attached to the rear gate 73, and the other end portion of the gate chain 75 is hooked on the bracket 74 so as to be detachably connected.

Japanese Utility Model Publication No. 58-190268

  As shown in FIG. 14, the bracket 72 travels from the side gate 71 to the loading platform side, and the bracket 74 travels from the rear gate 73 to the loading platform side as shown in FIG. For this reason, the loading space is limited by that amount in the layout, and there is a situation that it cannot be used to the maximum extent. Further, when the gate chain 75 is detached from the bracket 74, the gate chain 75 itself freely moves in the loading platform, which may cause troubles on the load or generation of abnormal noise. The present invention has been made in view of such a situation, and provides a mooring structure for a chain that can effectively use a cargo bed space and that does not cause abnormal noise or the like when the gate chain is not in use. With the goal.

The chain mooring structure according to the present invention is made to solve such a problem, and includes a first gate and a second gate, and the first gate and the second gate are provided via a hinge. In the mooring structure of the chain that is pivotally attached to the vehicle body and connects the first gate and the second gate with a longitudinal member to regulate the opening of the second gate, the first gate A vehicle outward protrusion is provided on the gate, and the vehicle outward protrusion of the first gate is formed along the longitudinal direction of the first gate to form a space inside the vehicle body, and the second gate A vehicle outward protrusion is formed along the longitudinal direction of the second gate to form a space inside the vehicle body, and the first gate and Empty of the vehicle outward projection of the second gate A bracket connectable to the longitudinal member at the end in the longitudinal direction, the longitudinal member has one end and the other end, and the other end of the longitudinal member includes a plate-like chain bracket, The chain bracket has a stepped portion between a distal end side and a proximal end side, includes a deformation hole for the distal end side and the stepped portion, and the first gate for attaching the other end of the longitudinal member. Alternatively, the bracket of the second gate is provided with a pin projecting toward the inside of the vehicle body, and one end of the longitudinal member is rotated with either the bracket of the first gate or the second gate. When the other end of the longitudinal member is detachably attached to the other bracket and the opening degree of the second gate is regulated, the tip end side of the chain bracket is the other bracket. It is located in the space outside of the vehicle protruding part provided, a part of the deformed hole formed in the distal end side and engaged with the above pin, placing the proximal end side of the chain bracket interior direction structure It is characterized by becoming.

  The term “longitudinal member” as used herein refers to a member for keeping the posture of the second gate constant, such as a chain or a wire. The longitudinal member and each bracket may be configured so as to be removable on either side, or may be configured such that one side is fixed and the other side is removable. In order to be configured to be removable, for example, a pin can be provided on the bracket side, and a hole that engages with the pin can be provided at the end of the longitudinal member.

  Further, the pin has a shape with an enlarged head portion, the head and the other bracket to which the pin is attached are arranged apart from each other, and the thickness of the chain bracket is It is slightly smaller than the distance between the head and the other bracket, and a part of the deformation hole formed on the tip side of the chain bracket is smaller than the head of the pin. In addition, the pin may be formed larger than the base of the pin, and the other part of the deformation hole may be formed larger than the head.

  Further, the first gate is a side gate, the second gate is a rear gate, and the longitudinal member is configured to be attached to the bracket of the rear gate and to be detachable from the side gate. In a state where the opening degree is restricted, the base end side of the chain bracket may be disposed on the inner side in the vehicle width direction of the rear pillar to which the side gate is attached.

  The term “attached” as used herein refers to attaching to a held state, for example, fastening to a bracket with a stepped bolt or the like, and includes cases where the attached portion is in a rotatable state.

  It is preferable to provide means for fixing the longitudinal member in the vehicle outward projection on the one side where the longitudinal member is stored.

  The chain mooring structure according to the present invention includes a first gate and a second gate, and includes a first gate and a second gate, and the first gate and the second gate are connected via a hinge. In a chain mooring structure that is pivotally attached to a vehicle body and connects the first gate and the second gate with a longitudinal member to restrict the opening of the second gate, the first gate The vehicle outward protrusion of the first gate is formed along the longitudinal direction of the first gate to form a space inside the vehicle body, and the second gate A vehicle outward protrusion is provided, and the vehicle outward protrusion of the second gate is formed along the longitudinal direction of the second gate to form a space inside the vehicle body, and the first gate and the In the space of the vehicle outward projection of the second gate, Since the brackets connectable to the longitudinal members are respectively provided at the ends in the longitudinal direction, the brackets are provided in a space (for example, a truck bed) defined by the first gate and the second gate. Even if a structure that restricts the opening degree is adopted without being positioned, the space can be utilized to the maximum, and, for example, luggage can be loaded to every corner.

The longitudinal member has one end and the other end, the other end of the longitudinal member includes a plate-like chain bracket, the chain bracket has a stepped portion between a distal end side and a proximal end side, A pin projecting toward the inside of the vehicle body is erected on the bracket of the first gate or the second gate, which is provided with a deformation hole for the tip side and the stepped portion, and to which the other end of the longitudinal member is attached. One end of the longitudinal member is pivotably attached to either the first gate or the second gate, and the other end of the longitudinal member is detachably attached to the other bracket. When the opening degree of the second gate is restricted, the deformation of the chain bracket is formed at the front end side of the chain bracket, the front end side of the chain bracket being disposed in the space of the vehicle outward projection. One in the hole And engaged with the above pin, when a structure in which to place the base end side of the chain bracket in the vehicle direction, the longitudinal member when the or releasing the open regulator or the opening degree regulation of the second gate Therefore, such workability can be further improved while maintaining the above effects.

  Next, an embodiment of a chain mooring structure according to the present invention will be described with reference to the drawings. As shown in FIG. 1, the chain mooring structure according to an embodiment of the present invention is applied to a loading platform gate 62 of a truck 61. As shown in FIG. 2, the chain 1 (gate chain) connects the side gate 2 (first gate) and the rear gate 3 (second gate), so that the rear tilted rear gate 3 maintains a fixed posture. It is for performing the opening degree regulation so that it can be done. The side gate 2 and the rear gate 3 each have a hinge 63 and are pivotally attached to the vehicle body via the hinge 63. The side gate 2 and the rear gate 3 can be fixed to the vehicle body in a standing state, and can be rotated outwardly from the state.

  First, the structure of the side gate 2 will be described with reference to FIGS. 2 to 3 and FIGS. As shown in FIG. 2, the side gate 2 is formed with a projecting portion 21 projecting in the vehicle width direction (left direction in the figure) along the longitudinal direction A (vehicle front-rear direction). As shown in FIG. 3, a space 22 extending in the longitudinal direction A is formed inside the vehicle by the protrusion 21.

  The rear pillar 4 is provided at the rear end portion 23 of the protruding portion 21 using the space 22. The rear pillar 4 has a plate-like bracket 41 as shown in FIGS. The bracket 41 is welded and joined at the main body portion 42 and the other end portion 41b of the plate-like bending member so that one end portion 41a of the bracket 41 stands sideways. A pin 43 whose head 43a has a T shape is erected on one end 41a of the bracket 41. The pin 43 is fixed to the bracket 41 at a base portion 43b located on the opposite side of the head portion 43a, and the head portion 43a is separated from the bracket 41 by a predetermined distance. A stopper 44 for a lock handle (not shown) protrudes from the upper portion of the rear pillar 4, and the rear gate 3 can be fixed to the side gate 2 by the stopper 44.

  When the rear pillar 4 is attached to the side gate 2, one end portion 41a of the bracket 41 extends to the front side of the vehicle, and the head portion 43a of the pin 43 is located on the in-vehicle direction side (right side in FIG. 2). .

  Next, the structure of the rear gate 3 will be described with reference to FIGS. As shown in FIG. 2, the rear gate 3 is also formed with a protruding portion 31 protruding in the longitudinal direction B (vehicle width direction) that protrudes in the vehicle rear direction (downward direction in the figure). 2, the protrusion 31 forms a space 32 extending in the longitudinal direction B on the vehicle interior side.

  Brackets 34 are fixed to both end portions 33 of the projecting portion 31 using the space 32. As shown in FIG. 2 or 4, the bracket 34 is attached so as to stand upright on the rear gate 3 at a position near the end far from the hinge in the direction intersecting the longitudinal direction B. As shown in FIG. 4, the bracket 34 is provided with a female screw portion 35. Further, a shelf 36 is provided on the hinge 63 side of the rear gate 3. The shelf 36 has a surface 37 facing the direction of the bracket 34, and a pin 38 is attached so as to protrude from the surface 37. The pin 38 has the same shape as the above-described pin 43 and is similarly attached.

  Thus, in the side gate 2, the rear pillar 4 is installed in the space 22 (see FIG. 3), and in the rear gate 3, the bracket 34 is installed in the space 32 (see FIG. 4). The protrusion to the loading platform side can be eliminated, and the loading platform space can be utilized to the maximum extent.

  Next, the gate chain 1 will be described with reference to FIGS. As shown in FIGS. 8 to 10, the gate chain 1 is plate-shaped, and is provided with a chain bracket 11 at one end portion, and the other end portion 12 remains in a chain shape. The chain bracket 11 is formed in a stepped shape, and a deformation hole 14 is provided over the stepped portion 13. The deformation hole 14 is formed such that the tip end side 14a is small and the chain side 14b is large, and both communicate with each other. The distal end side 14 a of the deformation hole 14 is smaller than the head portions 43 a of the pins 38 and 43 and larger than the root portions 43 b of the pins 38 and 43. The chain side 14 b of the deformation hole 14 is larger than the heads 43 a of the pins 38 and 43. The plate thickness of the chain bracket 11 is slightly smaller than the distance between the heads 43 a of the pins 38 and 43 and the bracket 41. The gate chain 1 is partially provided with a transparent cover 15 made of polyvinyl chloride, and this cover 15 is fixed by a tack pin 16.

  Next, assembly of each component described above will be described with reference to FIG. As shown in the figure, the other end portion 12 (see FIG. 8 or 9) of the gate chain 1 is attached to the bracket 34 of the rear gate 3. That is, the stepped bolt 51 is passed through the chain of the other end portion 12 and is screwed into the female screw portion 35 to be attached. In this state, the other end portion 12 is rotatable. In this way, the gate chain 1 is attached to the rear gate 3.

  As described above, the shape and dimension of the deformation hole 14 (see FIGS. 8 to 10) and the outer shape of the pins 38 and 43 (see FIGS. 5 to 7) are formed in association with each other. Since the head portion 43a has a T shape, the chain bracket 11 is locked to the rear pillar 4 by engaging both of them as shown in FIG. Thus, as shown in FIG. 2, the rear gate 3 is connected to the side gate 2 via the gate chain 1. The chain bracket 11 can rotate around the pin 43 in a connected state. This connected state can be easily released by removing the chain bracket 11 from the pin 43.

  The chain bracket 11 can also be engaged with a pin 38 (see FIG. 4) provided on the shelf 36 of the rear gate 3. By this engagement, as shown in FIG. 11, for example, when the gate chain 1 is not used, it can be stored. At this time, the gate chain 1 can be fixed to the rear gate 3 as shown in FIG. 12 so that the chain does not dance due to engine vibration, inertia force during acceleration / deceleration, centrifugal force during curve, or the like. For this reason, generation | occurrence | production of the noise by the contact | abutting with the gate chain 1 and the rear gate 3 grade | etc., Can be prevented.

  In the present embodiment, a chain as the gate chain 1 is used, but a wire can be used instead. Further, although the gate bracket 1 is provided with the chain bracket 11, depending on the shape of each chain, the chain bracket 11 may be used without using the chain bracket 11. In this embodiment, the pin 38 is provided on the shelf 36 for storage, but a bracket with a hook (not shown) may also be provided.

  In this embodiment, the shelf 36 and the pin 38 for storing the gate chain 1 are provided on the rear gate 3 side. However, as another embodiment, the shelf 36 and the pin 38 are provided on the side gate 2 side. (Not shown). In this embodiment, the other end portion 12 of the gate chain 1 remains in a chain shape and is fixed to the rear gate 3 with screws. However, as another embodiment, a chain bracket 11 is provided on the other end portion. At the same time, the pin chain 43 can be provided on the bracket 34 of the rear gate 3 so that the gate chain 1 can be disconnected from the rear gate 3 (not shown).

  In addition, although one side (refer FIG. 1) of the loading platform gate 62 of the truck 61 was demonstrated, the same chain mooring structure is employ | adopted also on the other side.

It is a perspective view of the track | truck which employ | adopted the chain mooring structure which concerns on one Embodiment of this invention. FIG. 2 is an enlarged perspective view of a portion II in FIG. 1, as seen from the rear of the vehicle, in a state in which the opening degree of the rear gate is regulated using a gate chain in the truck of FIG. 1. It is sectional drawing by line III-III of FIG. It is sectional drawing by line IV-IV of FIG. It is a front view of the rear pillar of FIG. FIG. 3 is a right side view of the rear pillar in FIG. 2. It is a fragmentary sectional view by line VII-VII of FIG. It is a front view of the gate chain of FIG. FIG. 3 is a right side view of the gate chain of FIG. 2. It is an arrow view by X of FIG. FIG. 3 is a perspective view corresponding to FIG. 2 in which the portion II of FIG. 1 is enlarged and the state in which the gate chain removed from the side gate is stored and the rear gate is erected and fixed is viewed from the vehicle rear side in the truck of FIG. is there. It is sectional drawing by line XII-XII of FIG. FIG. 6 is an enlarged perspective view of a truck adopting a conventional chain mooring structure as viewed from the rear of the vehicle in a state where the opening degree of the rear gate is regulated using the gate chain. It is sectional drawing by line XIV-XIV of FIG. It is sectional drawing by line XV-XV of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Gate chain 11 Chain bracket 12 Other end part 13 Stepped part 14 Deformation hole 14a Front end side 14b Chain side 15 Cover 16 Tuck pin 2 Side gate 21, 31 Protrusion part 22, 32 Space 23 Rear end part 3 Rear gate 33 Both end part 34, 41 Bracket 35 Female thread portion 36 Shelf portion 37 Surface 38, 43 Pin 4 Rear pillar 41a One end portion 41b Other end portion 42 Main body portion 43a Head portion 43b Root portion 44 Stopper portion 51 Stepped bolt 61 Track 62 Loading platform gate 63 Hinge A Longitudinal direction (Vehicle longitudinal direction)
B Longitudinal direction (vehicle width direction)

Claims (3)

A first gate and a second gate, wherein the first gate and the second gate are rotatably attached to the vehicle body via a hinge, and the first gate and the second gate are connected to each other. In the mooring structure of the chain that is connected by a longitudinal member and regulates the opening degree of the second gate,
A vehicle outward protrusion is provided on the first gate, and the vehicle outward protrusion of the first gate is formed along the longitudinal direction of the first gate to form a space inside the vehicle body, A vehicle outward protrusion is provided on the second gate, and the vehicle outward protrusion of the second gate is formed along the longitudinal direction of the second gate to form a space inside the vehicle body. Brackets that can be connected to the longitudinal member are provided in the space of the vehicle outward projecting portion of the first gate and the second gate and at the longitudinal ends, and the longitudinal member has one end and the other end. And the other end of the longitudinal member includes a plate-like chain bracket, and the chain bracket has a stepped portion between a distal end side and a proximal end side, and is applied to the distal end side and the stepped portion. comprising a deformable well, said first attaching the other end of the longitudinal member The over bets or the second gate of the bracket are erected pins projecting toward the inside of the vehicle body,
One end of the longitudinal member is pivotally attached to either one of the first gate or the second gate, and the other end of the longitudinal member is detachably attached to the other bracket. When the opening degree of the second gate is restricted, the tip end side of the chain bracket is disposed in the space of the vehicle outward projecting portion provided with the other bracket, and one of the deformation holes formed in the tip end side is provided. A chain mooring structure characterized in that the base end side of the chain bracket is disposed on the vehicle interior side side by engaging the pin and the pin.
  The pin has a shape with an enlarged head, and the head and the other bracket to which the pin is attached are spaced apart from each other. And the other bracket is slightly smaller than the distance between them, and a part of the deformation hole formed on the tip side of the chain bracket is smaller than the head of the pin and 2. The chain mooring structure according to claim 1, wherein the pin is formed to be larger than a base portion of the pin, and the other portion of the deformation hole is formed to be larger than the head.   The first gate is a side gate, the second gate is a rear gate, and the longitudinal member is configured to be attached to and detachable from the bracket of the rear gate, and to open the rear gate. 2. The chain mooring structure according to claim 1, wherein, in a restricted state, the base end side of the chain bracket is disposed on the inner side in the vehicle width direction of the rear pillar to which the side gate is attached.