JP2000106738A - Cover fitting device in mobile agricultural machinery - Google Patents

Abstract

PROBLEM TO BE SOLVED: To resolve a problem in a usual cover fitting device that an elasticity is varied according to a curved degree of a molded board spring and a load with hand fingers is varied and can be operated with an average operating force not always. SOLUTION: This cover fitting device is constructed by molding a fitting member 4 detachably fitted with a fitting receiver 3 provided on a side board 2 of a machine body 1 and a fitting case 6 rotatably supporting the fitting member 4 on a shaft and fitted at a fitting position of a machine body cover 5 with a resin raw material. The fitting case 6 is constructed by providing a hand-operating part 4a operable with hand fingers outside and projecting a fitting lock part 4b lockable to the fitting receiver 3 inside in a state fitted in the machine body cover 5. The fitting member 4 is constructed with a metallic spring 7 inserted between it and the fitting case 6 and expands to hold a locked state wherein the fitting lock part 4b is fitted with the fitting receiver 3, to obtain the objective cover fitting device in a mobile agricultural machinery.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a cover for a mobile agricultural machine.
The attachment device belongs to the technical field of agricultural machinery.

[0002]

2. Description of the Related Art A conventional apparatus of this kind is disclosed in
As disclosed in Japanese Patent Publication No. 93 and disassembled in FIG. 2 attached to the present application, the cover mounting device A is entirely formed by molding a resin material. The cover attaching device A is provided with an engaging member D in which a manual operating portion B operated by a finger and an engaging lock portion C engaging with an engaging receiving portion on the body side are integrated with each other, and the cover member is fixed to the body cover. The mounting case E is composed of three members: a mounting case E to be attached, and a plate spring F integrally formed on the mounting case E side to tension the engaging member D. The joint member D is rotatably supported by a bearing.

[0003]

In the cover mounting apparatus A having the above-mentioned conventional construction, as shown in FIG. 2, the leaf spring F is formed integrally with the mounting case E by a resin material. To press the engaging member D toward the engaging side.
Therefore, the manual operation unit B has a problem that the tension (elasticity) of the leaf spring F changes in accordance with the degree of curvature, and the operation load by the finger changes, so that the manual operation unit B cannot always be operated with an average operation force. .

In the conventional type described above, when the leaf spring F is damaged and parts need to be replaced, the entirety (at least the mounting case E) is required.
Replacement), and there was a problem that maintenance cost increased.

[0005]

The present invention takes the following technical means in order to solve the above-mentioned problems. That is, an engagement member 4 that is engaged with an engagement receiver 3 provided on the side plate 2 of the body 1 by manual operation so as to be freely engaged and disengaged;
The engaging member 4 is rotatably supported by a bearing, and the body cover 5 is supported.
The mounting case 6 to be mounted on the mounting portion is formed by molding a resin material, and the engaging member 4 integrally forms one manual operating portion 4a and the other engaging lock portion 4b. Then, it is provided so as to be pivotally supported on the mounting case 6 so as to be freely rotatable,
The mounting case 6 is provided with a manual operation portion 4a which can be operated by a finger on the outside when mounted on the body cover 5, and an engagement lock portion which can be engaged with the engagement receiving member 3 on the inside. The engagement member 4 has a metal spring 7 interposed between the attachment case 6 and the engagement lock portion 4b engaged with the engagement receiving member 3. This is a cover mounting device for a mobile agricultural machine that is configured to be tensioned so as to be able to maintain a locked state.

[0006]

The present invention has been configured as described above.
The manual operation unit has a feature that the operation load at the time of the opening operation of the engagement member is averaged and lightened, and can be opened and closed very easily.
In addition, the cover mounting device according to the present invention has an effect of reducing costs since, when a breakage accident occurs in the spring portion, repair can be performed by replacing only the spring.

[0007]

Embodiments of the present invention will be specifically described below with reference to the drawings. First, the configuration will be described. First, as shown in FIG. 7, the combine mounts a threshing device 9 on a traveling vehicle body 8 and, in front of the threshing device 1,
0 and a pre-cutting device 12 composed of a grain culm conveying device 11 and the like are provided to perform a cutting and threshing action.

As shown in FIG. 1, the body 1 of the threshing apparatus 9 has a transmission pulley 13 mounted on the side plate 2 and a belt 1.
4 is used to transmit the rotating parts. The body cover 5 is connected to the transmission pulley 1 on the side plate 2 described above.
The cover 3 and the wound belt 14 are covered. First, as shown in FIG. 1, the body cover 5 is provided with an upper engaging receiver 15 and a lower engaging receiver 3 from the side plate 2 to the outside. It is configured to be freely engaged and locked. The body cover 5 is provided with a locking portion 16 for locking the upper engagement receiving member 15 from the upper side inside the upper portion, and a mounting hole 18 for fitting and fixing a cover mounting device 17 at a lower portion. It is composed.

As shown in FIGS. 3 and 4, the cover mounting device 17 comprises a mounting case 6 and an engaging member 4 provided inside the housing in a freely rotatable manner. Are formed by molding from a resin material, and a metal spring 7 is added thereto to assemble them. And
The mounting case 6 has two holes 19 and 19 'on the bottom surface from which an engagement lock portion 4b described later projects, and an attachment portion 20 for mounting a spring 7 described later. The bearing holes 21 and 21 ′ are provided. In addition,
The mounting portion 20 of the spring 7 has a hole shape in the embodiment of FIG. 3 and a convex portion in the embodiment of FIG.

Next, as shown in FIGS. 3 and 4, the engaging member 4 is engaged with the manual operating portion 4a which is operated by inserting a finger into one side, and is engaged with the engaging receiving portion 3 on the other side. And an engaging lock portion 4b which is connected in a locked state is integrally formed, and a projecting shaft 22 is provided on both sides to be inserted into the bearing holes 21 and 21 'of the mounting case 6 for bearing. ing. The mounting portion 20 'of the spring 7 is connected to the mounting case 6
Corresponding to the mounting portion 20 of the spring 7 is provided on the back side of the manual operation portion 4a.

The cover mounting device 17 integrally assembles the mounting case 6 and the engaging member 4 as described above, as shown in FIG. Reference numeral 4 denotes a case in which the engagement lock portion 4b is inserted into the holes 19 and 19 'and protrudes from the rear side, and the manual operation portion 4a is positioned on the near side (open side of the mounting case 6).
Are rotatably fitted into the bearing holes 21 and 21 'of the mounting case 6, and the spring 7 is further mounted on the mounting portion 20 and the mounting portion 20'.
And is provided between them. Therefore, the spring 7 (elastic pressure) acts on the engaging member 4 so as to maintain the state shown by the solid line in FIG. 5, and in this state, a finger is inserted from below the manual operation unit 4a, and FIG.
When the rotary operation is performed in the state indicated by the solid line, the operation is performed while resisting the tension (elasticity) of the spring 7.

The cover mounting apparatus 1 constructed as described above.
As shown in FIG. 1, reference numeral 7 denotes a fitting which is fitted in a mounting hole 18 provided in a lower portion of the body cover 5. When the upper edge of the manual operation portion 4a is brought close to the inner edge on the upper side of the mounting case 6 as in the embodiment shown in FIG. This is effective because dust hardly enters the inside of the space 6. Further, the engaging member 4 is sunk upward (concave) in a shape in which the meat is stolen below a position near the connection portion with the manual operation portion 4a at the base of the engagement lock portion 4b (FIG. 5).
(See the solid line), the part becomes wider, the insertion of fingers from below becomes easy, and the operation becomes easier.

As shown in FIG. 6, the disengagement preventing rod 25 is configured to prevent disengagement when the engagement lock portion 4b is engaged with the engagement receiving member 3 (see the phantom line). And, the fuselage cover 5, like the combine shown in FIG.
It is divided into a plurality of pieces and is freely attached to and detached from the side of the body 1. Next, the operation will be described.

The cover mounting device 17 constructed as described above.
Are fitted in the mounting holes 18 of the body cover 5 to be attached to the side plate 2 of the body 1 to prepare for cover installation. And
The fuselage cover 5 is hooked on the upper engaging portion 15 provided on the side plate 2 of the fuselage 1 of the threshing device 9 and hangs in a state indicated by a virtual line in FIG. Next, the fuselage cover 5
With the upper engaging portion 15 being locked as a fulcrum, the lower side is pivoted toward the side plate 2 to bring the engaging lock portion 4b closer to the engaging receiving portion 3, and the finger is moved downward from the outside to the lower side of the manual operation portion 4b. Is inserted and pulled against the elasticity of the spring 7, the engagement lock portion 4b is operated downward in the state of the solid line in FIG. Then, as shown by the solid line in FIG. 5, the engagement lock portion 4b is rotated by the action of the spring 7 to be in a locked state.

When the body cover 5 is attached to the side plate 2 in this manner, it protects the transmission pulley 13 and the belt 14 to exhibit a protection function of preventing intrusion of dust and the like, and furthermore, safety of work. Can be enhanced. The operation of removing the body cover 5 may be performed in the reverse of the mounting operation. Since the cover mounting device 17 according to the present invention has a different structure from the spring 7, the cover 7 has higher heat resistance than a conventional resin-integrated plate spring, and furthermore, when the spring 7 is worn or damaged,
When performing maintenance, there is an advantage that the cost is reduced as compared with a conventional mounting case and an integrated type. In addition to this, the cover mounting device 17 can be used in a variety of applications by replacing the spring with a different spring having a different elasticity.

FIG. 2 shows a conventional cover mounting apparatus.
As shown in FIG. 5, there is a defect that it is difficult to insert a finger at the time of operation because it is composed of a wide leaf spring F. However, in the case of the present invention, as shown in FIG.
There is a feature that it is wide enough to allow the insertion of fingers underneath a and can be easily operated. Further, the cover mounting device 17 according to the present invention has the distance H as described in the configuration section.
The configuration is as narrow as possible, so that there is a feature that dust is less likely to enter the inside in the working state with the body cover 5 attached.

[Brief description of the drawings]

FIG. 1 is a cut-away rear view showing an embodiment of the present invention and showing an attached state of an airframe cover.

FIG. 2 is an exploded perspective view of a conventional type shown for explanation.

FIG. 3 is an exploded perspective view of the embodiment of the present invention.

FIG. 4 is an exploded perspective view partially modified according to the embodiment of the present invention.

FIG. 5 is a cut-away side view showing the operation of the embodiment of the present invention.

FIG. 6 is a cross-sectional side view showing an embodiment of the present invention and showing a partially deformed operation.

FIG. 7 is a side view of the embodiment of the present invention.

[Explanation of symbols]

1 body 2 side plate 3
Engagement receiver 4 Engagement member 4a Manual operation unit 4b
Engagement lock part 5 Aircraft cover 6 Mounting case 7
spring.

Claims (1)

[Claims] An engaging member for manually engaging and disengaging an engagement receiving member provided on a side plate of a body of the vehicle;
The engaging member 4 is rotatably supported by a bearing, and the body cover 5 is supported.
The mounting case 6 to be mounted on the mounting portion is formed by molding a resin material, and the engaging member 4 integrally forms one manual operating portion 4a and the other engaging lock portion 4b. Then, it is provided so as to be pivotally supported on the mounting case 6 so as to be freely rotatable,
The mounting case 6 is provided with a manual operation portion 4a which can be operated by a finger on the outside when mounted on the body cover 5, and an engagement lock portion which can be engaged with the engagement receiving member 3 on the inside. The engagement member 4 has a structure in which a metal spring 7 is interposed between the attachment case 6 and the engagement lock portion 4b is engaged with the engagement receiver 3. A cover mounting device for a mobile agricultural machine configured to be tensioned so as to maintain a locked state.