JP5406591B2 - Working vehicle fender cover mounting structure - Google Patents

Description

  The present invention relates to an attachment structure for a fender cover attached to a fender of a work vehicle.

  Conventionally, a tractor in which a fender cover is attached from the seat side to a rear wheel fender arranged on the side of the seat is known (see, for example, Patent Document 1). In such a work vehicle such as a tractor, when attaching a fender cover to a fender, attach a plurality of double-sided tapes to the surface of the fender, and then attach the fender cover to the fender by pressing it against a predetermined position on the fender. It was.

JP 2008-143433 A

  However, when the conventional fender cover mounting structure is applied to a work vehicle, when the fender cover is pressed, the fender cover may be displaced from a predetermined position of the fender. And when correcting this shift | offset | difference, the double-sided tape sometimes peeled off from the surface of the fender. For this reason, the fender cover is carefully positioned, and if it is mistaken, a troublesome correction must be made, resulting in a problem of poor assembly. In addition, the work of applying double-sided tape to a plurality of locations on the surface of the fender is also troublesome, and there is a problem that the assemblability is similarly poor.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a fender cover mounting structure for a work vehicle that can be easily assembled when the fender cover is mounted on the fender.

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

In claim 1, the fender or the seal member attached to the fender is provided with at least one projecting member projecting from the surface facing the fender cover, and the through-hole through which the projecting member can be inserted is provided. A fender cover is formed, the protruding member is inserted into the through hole, and the fender cover is attached to the fender or the seal member. The seal member includes a U-shaped seal plate and an opening portion of the seal plate. A seal plate cover for covering the seal plate, and providing the protruding member on the opening side of the seal plate, and fixing the seal plate cover with a fastening member to the protruding member with a fender cover attached thereto, The fender cover is pressed .

According to a second aspect of the present invention, in the fender cover mounting structure for a work vehicle according to the first aspect, a part of the fender cover is formed by a lever guide and at least one member of a mat member that covers an upper surface of the step or the body cover. Press.

  As effects of the present invention, the following effects can be obtained.

  According to the first aspect of the present invention, it is possible to easily determine the position of the fender cover with respect to the fender or the seal member by inserting the protrusion through the through hole, and to easily attach the fender cover to the fender or the seal member. . Therefore, it is possible to improve the assemblability when the fender cover is attached to the fender or the seal member.

Further , the fender cover can be attached to the seal member while being pressed by the seal plate cover. Therefore, the fender cover can be securely attached to the seal member while suppressing an increase in the number of parts, and the assembly property at that time can be maintained well.

According to the second aspect of the present invention, the fender cover can be attached to the fender or the seal member while being pressed by the members disposed around the fender cover. Therefore, the fender cover can be securely attached to the fender or the seal member while suppressing an increase in the number of parts, and the assemblability at that time can be maintained well.

The whole side view of a work vehicle. The cabin interior perspective view of the work vehicle which concerns on another structure form . Sectional drawing which shows the attachment structure of a fender cover. (A) The front view of a fender cover. (B) The side view of a fender cover. 1 is a perspective view inside a cabin of a work vehicle according to an embodiment of the present invention. The perspective view of the fender before a fender cover attachment. The perspective view of the fender after a fender cover attachment. Sectional drawing which shows the attachment structure of a fender cover. (A) The figure which shows the press of a fender cover side part. (B) The figure which shows the press of the rear upper part of a fender cover. (C) The figure which shows the press of a fender cover front part.

First, an overall configuration of the tractor 1 to which a fender cover mounting structure for a work vehicle according to another configuration mode is applied will be described. Although the work vehicle is a tractor in this configuration , the work vehicle is not particularly limited as long as the work vehicle is applicable to the present invention.

  As shown in FIG. 1, in the tractor 1, the body frame 2 is arranged with the longitudinal direction as the front-rear direction, and is supported by the pair of left and right front wheels 5 and 5 via the front axle at the front portion thereof, and the rear portion thereof. And supported by a pair of left and right rear wheels 6 and 6 via a rear axle. An engine 3 is provided at the front of the body frame 2 and is covered with a bonnet 8. A transmission 4 is provided at the rear of the body frame 2.

  Then, after the power of the engine 3 is changed by the transmission 4, it can be transmitted to the pair of left and right front wheels 5 and 5 via the front axle, and can be transmitted to the pair of left and right rear wheels 6 and 6 via the rear axle. It is said. When the power of the engine 3 is transmitted, the pair of left and right front wheels 5 and 5 and the pair of left and right rear wheels 6 and 6 are rotationally driven, and the tractor 1 travels.

  Further, after the power of the engine 3 is shifted by the transmission 4, it can be transmitted to a working machine such as a tillage device (not shown) attached to the body frame 2. When the power of the engine 3 is transmitted, the work machine is driven.

  A driving operation unit including a steering handle 71, a transmission operation tool, a seat 72, and the like is provided in the front and rear halfway part and the rear part of the body frame 2, and is covered with the cabin 7. The steering handle 71 is configured such that the tractor 1 can be steered by changing the steering angle of the pair of left and right front wheels 6 and 6 according to the amount of rotation operation. The speed change tool is configured to change the speed ratio of the speed change device 4 according to the amount of operation and adjust the travel speed.

  The cabin 7 includes a roof unit 9 disposed above the steering handle 71 and the seat 72, a side frame unit 10 erected around the steering handle 71 and the seat 72, and the like. The side frame unit 10 includes left and right fenders 20 and 20 for the rear wheels 6 and 6, left and right front pillars 11 and 11, left and right side pillars 12 and 12, left and right rear pillars 13 and 13, and left and right doors. 14, 14, left and right side glasses 15, 15, a windshield, and a rear glass 16.

  Each fender 20 is formed in a substantially fan shape in a side view, and is provided on the rear side of the body frame 2 so as to cover the rear wheel 6 from the front upper side. The fenders 20 prevent entry of dirt, mud, and the like that are splashed up when the rear wheel 6 rotates into the seat 72 (cabin 7).

  The front pillar 11 is erected in the up-down direction from the front-rear middle part of the body frame 2. The side pillar 12 is erected up and down from the middle part of the fender 20 and the rear pillar 13 is erected in the vertical direction from the rear part of the fender 20.

  The door 14 is disposed between the front pillar 11 and the side pillar 12, and the side glass 15 is disposed between the side pillar 12 and the rear pillar 13. The windshield is disposed between the left and right front pillars 11 and 11, and the rear glass 16 is disposed on the left and right rear pillars 13 and 13.

  In the cabin 7, a seat 72 is disposed on the inner side of the left and right fenders 20, 20 behind the left and right doors 14, 14. The fender covers 25 and 25 are attached to the fenders 20 and 20 located on the left and right sides of the seat 72 from the seat 72 side.

Next, the attachment structure of the fender covers 25 and 25 according to another configuration will be described. In addition, since the attachment structure of the fender covers 25 and 25 is similarly applied to the left and right rear wheel 6 fenders 20 and 20, the attachment structure of the fender cover 25 is hereinafter referred to as the left fender 20 (in the rear view of the tractor 1). Only the description when applied to the left fender) will be described.

As shown in FIG. 2, the surface of toward the front from the upper portion of the fender 20, the more of the projecting members 23, 23, ... of the five in this configuration mode is projected at predetermined intervals in a row in the longitudinal direction . Each protruding member 23 is configured by a substantially L-shaped member, one side of the protruding member 23 is fixed to the surface of the fender 20 by welding or the like as a fixing portion 23c, and the other side is a right end of the fixing portion 23c as a protruding portion 23a. It protrudes substantially forward and upward (in the radial direction of the rear wheel 6) from the portion. The number of protruding members 23 is not limited.

  As shown in FIGS. 2 and 4, the fender cover 25 is made of a resin material. The fender cover 25 is formed according to the surface shape of the fender 20 on the seat 72 side, and is attached to the fender 20 from the seat 72 side in the cabin 7.

  In the left end portion 25f of the fender cover 25, the same number of slit-like through holes 25a, 25a,... As the protruding members 23 are formed so as to penetrate in the vertical direction, and are arranged at predetermined intervals in a line from the upper side to the front side. The The interval between the adjacent through holes 25a, 25a,... Is set to be the same as the interval between the adjacent protruding members 23, 23,.

  The single through hole 25a is extended by a predetermined width along the curved direction of the surface of the fender 20 so that the single protrusion 23a can be inserted. The shape of the through hole 25a is not limited to the slit shape, and may be any shape that allows the protruding portion 23a to be inserted.

  In the fender cover 25, through holes 25b and 25b are formed in the vicinity of both ends in the extending direction of one through hole 25a so as to penetrate in the vertical direction and to be continuous with the through hole 25a. This prevents tearing of the slit-shaped through hole 25a that may occur depending on the material of the fender cover 25. Furthermore, the visibility of the slit-like through hole 25a is enhanced, and the workability when the fender cover 25 is attached is improved.

  In such a configuration, when the fender cover 25 is attached to the fender 20, the fender cover 25 is moved to above the fender 20 with the protruding portion 23a of the protruding member 23 protruding from the fender 20, and the left end portion 25f. Is inserted into the seal plate 22, and the projecting portion 23 a is inserted through the slit-like through hole 25 a of the fender cover 25 (see FIG. 3). Thus, the fender cover 25 is attached to the fender 20.

Next, the attachment structure of the fender cover 25 according to the embodiment of the present invention will be described. However, the structure of the same members as those of the other example of the configuration are denoted by the same reference numerals, explanation will be made focusing on a different portion other configurations forms.

  As shown in FIGS. 5 and 6, a door sealing member 21 is integrally fixed to the surface from the upper part to the front part of the fender 20 by welding or the like while extending along the surface shape of the fender 20. . The door seal member 21 is for sealing between the door 14 and the fender 20, and includes a seal plate 22 and a seal plate cover 24.

  As shown in FIGS. 6 and 8, the seal plate 22 has a lower plate 22a, a side plate 22b, and an upper plate 22c, and has a U-shaped cross-sectional view that opens the band plate material toward the seat 72, that is, toward the right side. It is composed by bending. The seal plate 22 is formed in an arc shape that curves along the surface of the fender 20 in a side view of the door seal member 21. The seal plate 22 extends from the rear pillar 13 to the second mat member 34 described later along the curved direction of the surface of the fender 20.

  The lower plate 22 a of the seal plate 22 is fixed to the surface of the fender 20. The left and right width of the lower plate 22 a is set shorter than the left and right width of the fender 20. On the surface at the right end of the lower plate 22a, that is, the surface facing the fender cover 25 on the opening side of the seal plate 22, a plurality of five projecting members 23, 23. Are projected at predetermined intervals in a line in the longitudinal direction. The protruding width of each protruding member 23 is set to be shorter than the width between the lower plate 22a and the upper plate 22c.

  Each protruding member 23 is formed of a substantially L-shaped member, and is arranged so that the right end portion thereof is aligned with the right end portion of the lower plate 22a. One side of the projecting member 23 is fixed to the surface of the lower plate 22a of the seal plate 22 by welding or the like as a fixing portion 23c, and the other side is substantially forward and upward (from the right end of the fixing portion 23c as the protruding portion 23a (the rear wheel 6). (Radial direction). In addition, a through hole 23b is formed at the center of the protrusion 23a so as to penetrate in the left-right direction.

  The side plate 22b of the seal plate 22 protrudes from the left end portion of the lower plate 22a substantially forward and upward (in the radial direction of the rear wheel 6). The door 14 can come into contact with the side plate 22b via a rubber weather strip 14a adhered to the outer peripheral edge of the door 14 (see FIG. 1).

  The upper plate 22c of the seal plate 22 protrudes rightward from the upper end portion of the side plate 22b, and is disposed opposite to and parallel to the lower plate 22a. The left and right width of the upper plate 22c is set to be the same as the left and right width of the lower plate 22a.

  The seal plate cover 24 is made of, for example, ethylene-propylene-diene rubber (EPDM), has a strip shape, and is formed in a shape that can cover the opening of the seal plate 22. The seal plate cover 24 is disposed on the right side of the upper plate 22c and the lower plate 22a so as to be substantially parallel to the side plate 22b, and is detachably attached to the seal plate 22 from the seat 72 side, that is, from the right side.

  A fitting portion 24 a is formed on the upper portion of the seal plate cover 24. This fitting part 24a is comprised so that the right end part of the said upper board 22c can be fitted so that the right end part of the upper board 22c of the seal plate 22 may be pinched | interposed up and down.

  A pressing portion 24 c is formed at the lower portion of the seal plate cover 24. The pressing portion 24c is bent to the right with respect to the middle portion of the seal plate cover 24, and when the seal plate cover 24 is attached to the seal plate 22, the fender cover 25 can be pressed toward the fender 20 side. Configured as follows.

  Further, in the seal plate cover 24, a plurality of, in the present embodiment, five through holes 24b, 24b,... Are formed so as to penetrate in the left-right direction. Be placed. The interval between the adjacent through holes 24b, 24b,... Is set to be the same as the interval between the adjacent through holes 23b, 23b,.

  Here, when the seal plate cover 24 is attached to the seal plate 22, a space 21 a is formed between the seal plate cover 24 and the seal plate 22. That is, the door seal member 21 is hollow. Therefore, an air conditioner hose, harness or the like can be stored in the door seal member 21.

  In such a configuration, when the fender cover 25 is attached to the fender 20, as shown in FIG. 6, the protruding portion 23 a of the protruding member 23 protrudes from the lower plate 22 a of the seal plate 22 fixed to the fender 20. In this state, as shown in FIG. 7, the fender cover 25 is moved to above the fender 20, the left end portion 25f is inserted into the seal plate 22, and the slit-like through hole 25a of the fender cover 25 has a protruding portion 23a. Insert. In this way, the fender cover 25 is attached to the fender 20.

  8, the fitting portion 24a of the seal plate cover 24 is fitted to the right end portion of the upper plate 22c of the seal plate 22, and is provided in the through hole 24b of the seal plate cover 24 and the seal plate 22. After the positions of the through holes 23b formed in the projecting member 23 are aligned, a fastening member 26 such as a rivet is screwed into the through holes 24b and 23b from the seat 72 side so as to project from the seal plate cover 24. The member 23 is fastened and fixed. Thus, the seal plate cover 24 is attached to the seal plate 22 to cover the opening of the seal plate 22.

  At this time, the fender cover 25 is directed toward the fender 20 side by the pressing portion 24c of the seal plate cover 24 in the vicinity of the left end 25f, that is, the through hole 25a through which the protruding portion 23a is inserted (see FIG. 8). Will be pressed (in the direction of the arrow). Thereby, the fender cover 25 is pressed against the fender 20, and the fender cover 25 is prevented from being lifted.

  Next, a configuration using members arranged around the seat 72 when the fender cover 25 is attached to the fender 20 will be described.

  As shown in FIGS. 2 and 5, a step 36 for placing a foot is disposed below the steering handle 71 and the seat 72. A machine body cover (dust cover) 35 fixed to the machine body frame 2 is disposed below the seat 72, thereby preventing entry of dirt, mud, and the like from below the seat 72.

  The first mat member 32 made of an elastic material such as rubber is placed on the upper surface of the body cover 35 so as to cover the upper surface of the body cover 35. On the upper surface of the first mat member 32, an auxiliary transmission lever guide 30 made of a sheet metal material is placed. The auxiliary transmission lever guide 30 is fixed to the body cover 35 together with the first mat member 32 by bolts and nuts or the like. The auxiliary transmission lever guide 30 and the first mat member 32 are disposed on the seat 72 side of the fender cover 25, that is, on the right side of the right side portion 25c.

  As shown in FIG. 9A, the left end portion of the auxiliary transmission lever guide 30 is formed in a crank shape in a front view, and the left side rising from the body cover 35 is a pressing portion 30a. The pressing portion 30a is in pressure contact with the side portion 25c of the fender cover 25.

  The left end portion of the first mat member 32 is formed so as to be curved in a U shape with the opening portion downward in a front view so as to be in contact with the lower surface of the pressing portion 30a of the auxiliary transmission lever guide 30, and extends in the vertical direction. The left side is the pressing portion 32a. The pressing portion 32a is in pressure contact with the side portion 25c of the fender cover 25.

  Thus, the side portion 25c of the fender cover 25 is directed from the seat 72 side toward the fender 20 side by the pressing portion 30a of the auxiliary transmission lever guide 30 and the pressing portion 32a of the first mat member 32 (arrow in FIG. 9A). Pressed). Accordingly, when the fender cover 25 is attached to the fender 20, the fender cover 25 is pressed against the fender 20, and the fender cover 25 is floated to the right side of the fender 20, or the fender cover 25 is displaced to the right side. Is prevented.

  Here, as described above, since the left end portion of the first mat member 32 is curved and the pressing portion 32a is formed in the vertical direction, the area in contact with the side portion 25c of the fender cover 25 is compared with the case where it is not curved. And get bigger. Thus, an increase in force for pressing the fender cover 25 against the fender 20 is achieved.

  Moreover, since the left end part of the 1st mat member 32 which consists of elastic materials is curved, the force pressed by the restoring force increases. Thus, an increase in force for pressing the fender cover 25 against the fender 20 is achieved.

  Since the left end portion of the first mat member 32 is curved in a U shape, a space 32b is formed at the center. Thereby, it is possible to store a harness or the like in the space 32b.

  Further, as shown in FIG. 2, the PTO lever guide 31 provided on the front surface of the body cover 35 is pressed against the side portion 25c of the fender cover 25 at the left end thereof in the same manner as the auxiliary transmission lever guide 30. It is set as the structure which has. Thereby, when the fender cover 25 is attached to the fender 20, the fender cover 25 is prevented from floating to the right side and the fender cover 25 from being shifted to the right side.

  However, in this embodiment, the auxiliary transmission lever guide 30 and the PTO lever guide 31 are arranged on the left side of the seat 72, but the position lever guide, other lever guides, switch cover, dial cover, etc. It is also possible to use a configuration in which the side portion 25c of the fender cover 25 is pressed from the seat 72 side in the same manner as described above. Further, the auxiliary transmission lever guide 30 and the PTO lever guide 31 may be arranged on the right side.

  As shown in FIGS. 2 and 9B, the concave rear pillar 13 that opens toward the inside of the cabin 7 is erected upward from the rear upper part of the fender 20. A rear pillar cover 33 is fitted into the opening of the rear pillar 13 from the inside of the cabin 7. The rear pillar cover 33 is disposed on the rear upper portion 25d of the fender cover 25. A pressing portion 33 a is formed at the lower end portion of the rear pillar cover 33, and the pressing portion 33 a is in pressure contact with the rear upper portion 25 d of the fender cover 25.

  Thus, the rear upper portion 25d of the fender cover 25 is pressed toward the fender 20 side (in the direction of the arrow in FIG. 9B) by the pressing portion 33a of the rear pillar cover 33. As a result, when the fender cover 25 is attached to the fender 20, the fender cover 25 is pressed against the fender 20, and the fender cover 25 is prevented from floating above the fender 20.

  As shown in FIGS. 2 and 9C, the second mat member 34 made of an elastic material such as rubber is placed on the upper surface of the step 36 so as to cover the upper surface of the step 36. The second mat member 34 is disposed in front of the front portion 25e of the fender cover 25. A pressing portion 34 a is formed at the left rear end of the second mat member 34, and the pressing portion 34 a is in pressure contact with the front portion 25 e of the fender cover 25.

  Thus, the front portion 25e of the fender cover 25 is pressed toward the fender 20 side (in the direction of the arrow in FIG. 9C) by the pressing portion 34a of the second mat member 34. Thereby, when the fender cover 25 is attached to the fender 20, the fender cover 25 is pressed against the fender 20, and the fender cover 25 is prevented from floating in front of the fender 20.

  In this way, the side portion 25c, the rear upper portion 25d, and the front portion 25e of the fender cover 25 are members arranged around the seat, that is, a lever guide for the operation lever (the auxiliary transmission lever guide 30 and the PTO lever guide 31). The mat member (first mat member 32 and second mat member 34), frame cover (rear pillar cover 33), and the like, while pressing a part of the fender cover 25 toward the fender 20 side, the fender cover 25 is attached to the fender 20. It is designed to be attached.

  As described above, in the fender cover mounting structure, the fender 20 or the seal member 21 attached to the fender 20 is provided with at least one protruding member 23 that protrudes from the surface facing the fender cover 25, and the protruding member 23. A through hole 25a through which the fender cover 25 can be inserted is formed in the fender cover 25, the protruding member 23 is inserted through the through hole 25a, and the fender cover 25 is attached to the fender 20 or the seal member 21. Therefore, the position of the fender cover 25 with respect to the fender 20 or the seal member 21 is easily determined by inserting the protrusion 23a through the through hole 25a, and the fender cover 25 is easily attached to the fender 20 or the seal member 21. It becomes possible. Therefore, it is possible to improve the assemblability when the fender cover 25 is attached to the fender 20 or the seal member 21.

  The seal member 21 includes a U-shaped seal plate 22 and a seal plate cover 24 that covers the opening of the seal plate 22, and the protruding member 23 is provided on the opening side of the seal plate 22. Since the fender cover 25 is pressed by fixing the seal plate cover 24 with the fastening member 26 with the fender cover 25 attached to the projecting member 23, the fender cover 25 is attached to the seal plate cover. It can be attached to the seal member 21 while being pressed by 24. Therefore, the fender cover 25 can be securely attached to the seal member 21 while suppressing an increase in the number of parts, and the assemblability at that time can be maintained well.

  Further, a part of the fender cover 25 is pressed by at least one of the lever guides 30 and 31 and the mat members 32 and 34 covering the upper surfaces of the step 36 and the body cover 35. It becomes possible to attach to the fender 20 or the seal member 21 while pressing 25 by a member disposed around the seat. Therefore, the fender cover 25 can be securely attached to the fender 20 or the seal member 21 while suppressing an increase in the number of parts, and the assemblability at that time can be maintained well.

DESCRIPTION OF SYMBOLS 1 Tractor 7 Cabin 72 Seat 20 Fender 21 Seal member 22 Seal plate 22b Seal part 23 Projection member 23a Projection part 24 Seal plate cover 24c Press part 25 Fender cover 25a Through-hole 26 Fastening member 30 Sub transmission lever guide 31 PTO lever guide 32 1st One mat member 34 Second mat member 35 Airframe cover 36 Step

Claims (2)

A fender or a seal member attached to the fender is provided with at least one projecting member projecting from a surface facing the fender cover, and a through-hole through which the projecting member can be inserted is formed in the fender cover. The projecting member is inserted through the through hole, and the fender cover is attached to the fender or the seal member,
The seal member includes a U-shaped seal plate and a seal plate cover that covers an opening portion of the seal plate, the protrusion member is provided on the opening portion side of the seal plate, and the fender cover is provided on the protrusion member. A fender cover mounting structure for a work vehicle , wherein the fender cover is pressed by fixing the seal plate cover with a fastening member in a state in which the fender cover is attached. The fender cover mounting structure for a work vehicle according to claim 1, wherein a part of the fender cover is pressed by a lever guide and at least one member of a mat member that covers an upper surface of a step or a body cover. Fender cover mounting structure for working vehicles.

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