JP3223711B2 - Guide roller - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a shaft fixed to a moving body such as a window glass of an automobile, and a roller body attached to the tip of the shaft, wherein the roller body has a substantially C-shaped cross section. The present invention relates to a guide roller that is slidably fitted on a guide rail and guides the moving body to move on a fixed track by sliding the roller body in the guide rail.

[0002]

2. Description of the Related Art Conventionally, a mechanism shown in FIG. 5 has been generally employed as a mechanism for raising and lowering a window glass of an automobile. That is, the guide roller b is attached to the window glass a, and the guide roller b is slidably fitted into the guide rail d fixed to the door c, and the window glass a is moved up and down manually or electrically, and at this time, the window roller a is integrated. Typically, the guide roller b is slid along the guide rail d to guide the elevating movement of the window glass a so that a stable elevating movement can be obtained.

As a guide roller b used for raising and lowering a window glass a by such a mechanism, a guide roller as shown in FIG. 6 is conventionally known. That is,
The guide roller b has a roller body h composed of a base f and a pressing body g at the tip of a shaft e fixed to the window glass a.
The roller body h is slidably fitted in the guide rail d, and the roller body h slides in the guide rail d, thereby guiding the vertical movement of the window glass a. The roller body h is provided with a shaft e.
The pressing body g is movably connected along the axial direction of the shaft e to the protruding side of the shaft f of the base f fitted and fixed to the tip of the base f, and between the pressing body g and the base f. A rubber cushion body i is provided, and the cushion body i
The base body f and the pressing body g are pressed against the inner surface of the guide rail d with a predetermined pressure by the elastic force of the roller body h so that the roller body h can slide in the guide rail d stably without generating rattling or the like. Has become.

Here, when the guide roller b is used for a window glass elevating mechanism of an automobile, a method of fixing the guide roller b to the window glass a is as shown by a dashed line in FIG. In general, a method of attaching a guide roller b to a window glass a by attaching a fixing j having a screw hole to the fixing member j and screwing a screw portion k provided on the fixed end side of the shaft e into the fixing j is adopted. ing.

In this case, as shown in FIG. 7, the guide roller b is attached by a tool engagement provided at a middle portion in the longitudinal direction of the shaft e by cutting two opposing peripheral surfaces of the shaft e. This is performed by engaging a tool o such as a spanner with the portion n and screwing the shaft e into the fixing j. Further, there is a case where the type of vehicles and window glass of an automobile (e.g., whether the front seat of a window, the window of the rear seat) is necessary to adjust the projection height R ₁ from the window glass a guide roller b by results However, in such a case, as shown in FIG. 7, an adjusting nut m is attached to the threaded portion k of the shaft e, and the screwing depth of the threaded portion k into the fixture j is adjusted by the adjusting nut m. It has been made to regulate the projected height R ₁ by. Furthermore, in this case, is engaged with the tool o the tool engagement portion n of the shaft e, the adjustment nut m engaging a tool p, the projection height R ₁ finely adjusted while rotating them, The guide roller b is fixed by rotating the adjustment nut m with the tool p while locking the rotation of the shaft e with the tool o.

[0006]

However, when the conventional guide roller b is fixed to the window glass a,
As described above, it is necessary to rotate the shaft e by engaging the tool o with the tool engaging portion n provided on the shaft e,
In this case the guide with each other when the roller has been set to a small projection height R ₁ of b must insert a tool o a very narrow gap between the roller body h and the window glass a, workability Thus installation work And it is difficult to automate the mounting process. Further, in the case that requires adjusting work of projection height R ₁ is
As described above, the work must be performed by inserting the two tools o and p into the narrow gap between the roller body h and the window glass a.

Further, the guide roller b increases projecting height R ₁ from height R only ₂ minutes absolutely glazing a tool engagement portion n which is provided on the shaft e, the order projection height R ₁ As the adjustment range becomes narrower, the bending input applied to the shaft e increases, and the size distribution of each part on the vehicle layout is restricted, and the thickness of the roller body h needs to be reduced. In some cases, the dimension distribution for the rigidity cannot be set as desired.

The present invention has been made in view of the above circumstances, and can be fixed to a moving body such as a window glass with good workability, and can also automate the mounting work.
It is another object of the present invention to provide a guide roller that can improve the workability when adjusting the height of the projection from a moving body such as a window glass, and that does not increase the projection height more than necessary.

[0009]

In order to achieve the above object, the present invention comprises a shaft fixed to a moving body, and a roller body attached to the tip of the shaft. A guide roller that is slidably inserted in a V-shaped guide rail, and that guides the moving body to move along a fixed track by sliding the roller body in the guide rail; A guide roller is provided, wherein a tool engaging portion is formed at the tip of the shaft, and a tool insertion hole communicating with the tool engaging portion of the shaft is provided at the center of the upper surface of the roller body.

[0010]

The guide roller of the present invention is suitably used for guiding the vertical movement of the window glass when raising and lowering the window glass of an automobile. Along with fixing the shaft, the roller body is slidably fitted into the guide rail, and the roller body slides in the guide rail, thereby guiding the moving body to move on a fixed track. In such a guide roller, the workability when attaching to a moving body such as a window glass is improved.

That is, when the guide roller of the present invention is mounted on a moving body such as a window glass of an automobile, a screw portion is provided on the fixed end side of the shaft similarly to the conventional guide roller, and the screw portion is provided on the moving body. At this time, according to the guide roller of the present invention, a tool for screwing the threaded portion of the shaft is engaged with the tool engaging portion at the tip of the shaft through the tool insertion hole of the roller body. And
The shaft can be rotated from outside the roller body. Therefore, the workability of the mounting operation can be greatly improved as compared with a conventional guide roller in which a tool has to be inserted into a narrow gap between the roller body and a moving body such as a window glass. Also, the tool can be operated from outside the roller body, and the engagement and disengagement between the tool and the shaft can be performed by moving the tool linearly along the axial direction of the shaft. In addition, it is possible to easily cope with automation of the mounting operation using a robot or the like.

Further, the guide roller of the present invention can adjust the protruding height from a moving body such as a window glass by using an adjust nut similarly to the above-mentioned conventional guide roller. According to this, the protrusion height is adjusted and the guide roller is fixed by using a tool engaged with the tool engaging portion at the tip of the shaft from the outside of the roller body and a second tool such as a wrench engaged with the adjust nut. Can be performed, and these operations can be performed by inserting only the second tool between the roller body and the moving body.
Workability can be greatly improved as compared with a conventional product in which two tools must be inserted between the roller body and the moving body to perform the work.

Further, as described above, the guide roller of the present invention allows the tool to be engaged with the tool engaging portion at the tip of the shaft from outside the roller body through the tool insertion hole. It is not necessary to provide a portion for engaging a tool in the portion, so that the range of adjustment of the protrusion height can be widened, and the distance between the roller body and a moving body such as a window glass can be made relatively close. In addition to contributing to downsizing of the guide mechanism, the rigidity and strength of the shaft and the roller body can be improved.

As described above, according to the guide roller of the present invention, the guide roller can be fixed to a moving body such as a window glass with good workability, and the mounting operation can be automated.
In addition, the workability at the time of adjusting the protrusion height from the moving body such as a window glass can be improved, and the rigidity and strength of the guide mechanism can be improved without the protrusion height becoming unnecessarily high. Can be.

[0015]

Next, an embodiment of the present invention will be described with reference to the drawings. FIGS. 1 to 4 show a guide roller according to an embodiment of the present invention. The guide roller has a shaft 1 fixed to a moving body a such as a window glass of an automobile, and a tip end of the shaft 1. And a roller body 2 attached thereto.

The shaft 1 is, as shown in FIG.
A spherical head portion 3 is provided at one end thereof, and a screw portion 1a is formed on the peripheral surface on the other end side from the head portion 3. The top of the head 3 is partially cut away to form a flat surface, and a hexagonal star-shaped tool engaging recess (tool engaging portion) 4 is formed at the center of the plane.

Next, as shown in FIG. 3, the roller body 2 includes a base 5 connected to the head portion 3 of the shaft 1 and a shaft protruding side of the base 5 (see FIGS. 2 and 3). (Right side).

The above-mentioned substrate 5 constituting the roller body 2
2 has a cylindrical fitting portion 9 having a spherical inner space 8 protruding from the center of the inner surface (the right side surface in FIG. 3) of the circular substrate 7 and the inner peripheral side (FIG. , 3 to the right), the ring-shaped peripheral wall portion 10 is integrally formed along the circumferential direction, and the head portion 3 of the shaft 1 slides in the inner space 8 of the fitting portion 9. The base 5 is fitted to the tip of the shaft 1 so as to be fitted. In this case, the fitting portion 9 and the head portion 3 of the shaft 1 form a so-called ball joint, and the base 5 and the shaft 1 are connected to each other so as to be rotatable and swingable.

The inner surface of the substrate 7 (right side in FIG. 3)
Have three spring holding projections 11, 11, 11 and 3
The two small projections 12, 12, 12 are alternately spaced apart at equal intervals and protrude from each other in a circular arrangement (FIG. 1).
), A metal coil spring 13 is held on each spring holding projection 11, and the small projection 1
2 is a rubber cushion body 1 formed in a substantially ring shape.
4 are held. That is, the spring holding projection 11 is inserted into the hollow portion of the spring 13, the spring 13 is held in a state of being disposed along the axial direction of the roller body 2, and the spring 13 is provided on the cushion body 14. The small projections 12 are attached to the mounting holes formed in the three wide portions.
Are fitted, and the cushion body 14 is fixed to the inner surface of the base 7 of the base 5.

Further, a tool insertion hole 15 communicating with the hollow portion 8 of the fitting portion 9 is provided at a central portion of the substrate 7 of the base 5 constituting the roller body 2. A state is established in which the tool engaging recess 4 provided in the head portion 3 of the shaft 1 communicates with the tool engaging recess 4. Reference numeral 16 in FIG. 1 denotes a hole formed for removing a mold during molding. The hole 16 is formed in the inner surface of the guide rail when the roller body 2 slides on the guide rail. The applied grease is taken into the roller main body 2 and has an effect of smoothly displacing the pressing body 6 described later.

Next, as shown in FIG. 3, the pressing body 6 constituting the roller body 2 is a ring-shaped substrate 1.
7, a thick cylindrical insert 18 formed slightly smaller in diameter than the substrate 17 is integrally protruded from one side of the substrate 17.
The central through hole and the hollow portion of the insert 18 are in communication. Further, the base 5 is inserted into the insertion portion 18.
Three spring insertion recesses 19 (only one is shown) are formed corresponding to the three spring holding projections 11.

As shown in FIG. 3, the pressing member 6 has an insertion portion 18 which is connected to the peripheral wall 10 of the base 5 and a fitting portion 9.
And a loose fitting. The engaging projection 20 having a hook-like cross section formed on the outer peripheral edge of the distal end of the insertion portion 18 and the engaging ridge 21 formed on the inner peripheral edge of the distal end of the peripheral wall 10. By the engagement, the base 5 and the pressing body 6 are connected, and the pressing body 6 is in a state of being movable along the axial direction of the shaft 1. In this case, the tip side of the spring 13 is inserted into the spring insertion recess 19, and the spring 13 urges the pressing body 6 in a direction away from the base 5 (rightward in FIG. 3). Further, at this time, a predetermined gap is formed between the upper end face (the left side face in FIG. 3) of the insertion portion 18 of the pressing body 6 and the cushion body 14.

In the guide roller of the present embodiment, the shaft 1 is fixed to a moving body such as a window glass, and the roller body 2 is slidably fitted to the guide rail. Is to guide the moving body to move on a fixed trajectory by sliding
In this case, according to the guide roller of the present embodiment, the base body 5 and the pressing body 6 of the roller main body 2 inserted into the guide rail are provided.
Is pressed against the inner surface of the guide rail at a predetermined pressure by the urging force of the spring 13, thereby absorbing the dimensional error of the guide rail and sliding inside the guide rail without play, thereby stably guiding the movement of the moving body. be able to. Also, like when the door is suddenly closed when adopted for the window glass of a car,
When a large impact is applied to the guide roller, the pressing body 6 of the roller body 2 and the base 5 are strongly compressed against the urging force of the spring 13 so that the pressing body 6 is fixed to the base 5. A strong impact that cannot be completely absorbed by the spring 13 is well absorbed by the cushion body 14, and it is possible to reliably prevent rattling and creaking.

Here, when the guide roller of this embodiment is mounted on a moving body such as a window glass of an automobile, similarly to the conventional guide roller, a screw hole 1a of the shaft 1 is provided in a screw hole of a fixing tool or the like provided on the moving body. In this case, according to the guide roller of this embodiment, as shown in FIG.
A tool q such as a screwdriver for screwing the threaded portion 1a of the shaft 1 is engaged with the tool engaging recess 4 at the tip of the shaft 1 through the tool insertion hole 15 of the roller body 2, and the shaft 1 is rotated from outside the roller body 2. be able to. Accordingly, the workability of the mounting operation can be greatly improved as compared with a conventional guide roller in which a tool must be inserted into a narrow gap between the roller main body 2 and a moving body a such as a window glass. Further, the tool q can be operated from the outside of the roller main body 2, and the work of engaging and disengaging the tool q with the tool engaging recess 4 can be performed linearly along the axial direction of the shaft 1. Therefore, it is possible to easily cope with automation of the mounting operation using a robot or the like.

Furthermore, the guide rollers of this embodiment can adjust the projection height R ₁ from the mobile a such window glass using the conventional guide roller as well as the adjustment nut m, in this case According to the guide roller of this example, FIG.
As shown in FIG. 5, a tool q engaged with the tool engaging recess 4 at the tip of the shaft 1 and a second tool p such as a spanner engaged with the adjust nut m are used from outside the roller body 2. can make the fixing of adjustment and guide rollers of the projecting height R ₁ Te, it is possible to perform these tasks by inserting only said second tool p between the roller body 2 and the mobile a Workability can be greatly improved as compared with a conventional product in which two tools must be inserted between the roller body and the moving body to perform the work.

As described above, the guide roller of the present embodiment is configured such that the tool q is moved from outside the roller body 2 to the tool insertion hole 1.
5, it is possible to engage with the tool engaging concave portion 4 at the tip of the shaft 1 so that there is no need to provide a portion for engaging a tool in the longitudinal middle portion of the shaft 1 unlike a conventional guide roller. adjustment range of projection height R ₁ also it is possible to widen the distance between the moving body a such roller body 2 and the window glass can be relatively close to, together with contributing to the miniaturization of the guide mechanism, the shaft 1 and the roller body 2 can be improved in rigidity and strength.

That is, the protrusion height R ₁ when the guide roller of the present invention is attached to the moving body a is: the thickness R ₃ of the roller body 2 + the thickness R ₄ of the adjustment nut m + the adjustment allowance R of the shaft 1. is a _5, the conventional guide roller, as shown in Figure 7, this added thickness R ₂ of the tool engagement portion n which is provided in the longitudinal direction intermediate portion of the shaft e, the tool engagement by the thickness R ₂ minutes of engagement portions n height R ₁ increases projected, and in case of the same length of the shaft 1 and e, adjusted towards the guide roller is height R ₁ projection of the embodiment Wider.

As described above, according to the guide roller of this embodiment, the guide roller can be fixed to the moving body a such as a window glass with good workability, and the mounting operation can be automated. workability protrusion height R ₁ regulation time from the mobile a can also be improved, yet without such the height R ₁ is higher protrude more than necessary, move the roller body 2, such as window glass Since the guide mechanism can be attached relatively close to the body a, the rigidity and strength of the guide mechanism can be improved.

The guide roller according to the present invention is not limited to the above-described embodiment. The shape and mounting structure of the base and the pressing body and the shaft constituting the roller main body, the cushioning mechanism by the cushion body and the spring, and the like are not limited. It can be changed as appropriate within the scope of the present invention. For example, in the above-described embodiment, the cushioning mechanism is configured by giving resilience to the pressing body 6 using the cushion body 14 and the spring 13, but using either the cushion body 14 or the spring 13, or The buffer mechanism may be configured by another method. In the above embodiment, the tool engaging portion is a hexagonal star-shaped tool engaging concave portion 4. However, the tool engaging portion may be a negative or positive concave portion or a hexagonal convex portion. It can be set appropriately according to the shape of the tool to be engaged with the tool engaging portion. Furthermore, the guide roller of the present invention is suitably used to guide the elevating movement when elevating and lowering the window glass of an automobile, but any other mechanism that guides a moving body such as a sliding part. It can be used for any purpose.

[0030]

As described above, according to the guide roller of the present invention, the tool engaging portion is provided on the top of the shaft, and the tool insertion hole communicating with the tool engaging portion is provided on the upper surface of the roller body. Since the mounting work is performed by engaging the tool from the outside of the roller body through the tool insertion hole with the tool engaging portion at the tip of the shaft, the work can be fixed to a moving body such as a window glass with good workability. It is also possible to automate the mounting operation, and a moving body a such as a window glass.
Workability protrusion height R ₁ adjusted at from can be improved. In addition, since there is no need to provide a tool engaging portion at the intermediate portion of the shaft, the protrusion height from the moving body does not become unnecessarily high when attached to the moving body, and the roller body is attached to the moving body. Since they can be mounted relatively close to each other, the rigidity and strength of the guide mechanism can be improved.

[Brief description of the drawings]

FIG. 1 is a front view showing a guide roller according to an embodiment of the present invention.

FIG. 2 is a side view showing the guide roller.

FIG. 3 is a sectional view showing the guide roller.

FIG. 4 is an explanatory view, partly in section, illustrating an operation when the guide roller is attached to a moving body such as a window glass.

FIG. 5 is a schematic view showing a window glass elevating mechanism of an automobile in which the guide roller of the present invention is suitably used.

FIG. 6 is a side view showing a conventional guide roller in which a part is cut away and a cross section is formed.

FIG. 7 is an explanatory diagram illustrating an operation when the conventional guide roller is attached to a moving body such as a window glass.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shaft 1a Screw part 2 Roller main body 4 Tool engagement concave part (tool engagement part) 15 Tool insertion hole a Window glass (moving body) d Guide rail

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E05D 15/16

Claims (2)

(57) [Claims] A shaft fixed to a moving body, and a roller body attached to a tip of the shaft;
A guide roller for slidably fitting a roller body into a guide rail having a substantially C-shaped cross section, and guiding the moving body to move along a fixed track by sliding the roller body in the guide rail. A guide roller, wherein a tool engaging portion is formed at a tip of the shaft, and a tool insertion hole communicating with a tool engaging portion of the shaft is provided at a center of an upper surface of the roller body. 2. The guide roller according to claim 1, wherein a threaded portion is formed over substantially the entire length of a portion of the shaft protruding from the roller body.