JPH1156508A - Easel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely hold a drawing board, etc., by simple work by providing a supporting frame capable of fixing a drawing board to a base stand and fixed-side and movable-side frames to be supported to be moved and fixed to its both end parts. SOLUTION: An easel 1 comprises a leg body 3 and a drawing board supporter 5 and an elevating and lowering shaft 11 is supported by the substrate of the body 3 in the state of being vertically slidable. A inclining mount 23 is pivoted at its upper part 10 the state of being capable of turning and fixing and the supporting frame 31 of the supporter 5 is fixed to the body 3 through a fixing mount 29. A fixing side frame 35 is movably insert-fixed to one end part of the frame 31 and a fixing pin 37 is selectively engaged into plural holes 35a to fix to the frame 31. An L-shaped lower restraining frame 39 is turnably supported by a shaft at the end of the frame 35. A movable-side frame is movably insert-fitted to the other end part of the frame 31 and an upper restraining frame 51 is rotatably supported with the shaft at its end part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to holding a drawing board or an oil painting canvas (hereinafter referred to as a "drawing board" or the like) to which a drawing paper is attached in either a vertically long state or a horizontally long state, or being restricted in size. The present invention relates to an easel capable of firmly holding various types of drawing boards and the like.

[0002]

A conventional easel has a pair of left and right front legs which are rotatably supported on the front side of an upper plate, and a rear surface which is rotatably supported on the rear surface of the upper plate. It consists of a leg and a tripod structure that is attached to the front leg at an appropriate height and has a support base that supports the lower part of the drawing board, etc., and the lower part of the drawing board etc. is placed on the support base along the front leg. It is configured to support the drawing board etc. and adjust the degree of inclination of the drawing board etc. by adjusting the degree of opening of the front and back legs, but in this type of easel, the drawing board etc. In order to mount the support vertically or horizontally, or to attach a picture board of a different size, it is necessary to adjust the height of the mounting position of the support base with respect to the front legs, and this operation has a problem that it takes time and effort.

In order to tilt a supported drawing board or the like at a desired angle, it is necessary to adjust the degree of opening and closing of a front leg and a rear leg. It could not be tilted to the desired angle. For this reason, for example, when drawing a watercolor, it is necessary to prevent the watercolor paint drawn on the drawing paper attached to the drawing board etc. It is necessary to quickly change the inclination angle of this type, but this kind of work cannot be performed quickly with the above-mentioned conventional easel.

[0004] In order to solve the above-mentioned conventional disadvantages,
Three legs are supported at the lower part of the mounting base so as to be openable and closable at substantially equal angles, and a mount is rotatably supported by the tilting operation shaft with respect to the mounting base. There is known an easel in which a supporting member for supporting an upper part and a lower part is movably attached by a screw.However, in order to attach a drawing board or the like to this kind of easel, first loosen a screw, and then, with respect to a long frame, After placing a drawing board etc. on a long frame with the supporting members of the drawing board movable, each supporting member must be moved to the upper and lower parts of the drawing board etc. and screwed in a state where they are in contact with each other In addition, there is a problem that installation work is troublesome. In addition, in order to adjust the mounting angle of the drawing board or the like, it is necessary to loosen the tilting operation shaft, rotate the mount to a desired angle, and then fix it by screwing, and the angle adjustment work is troublesome. .

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned conventional drawbacks. The object of the present invention is to provide a simple operation that allows a picture board or the like to be securely formed without being restricted by the size and the arrangement state. It is to provide an easel that can be held.

Another object of the present invention is to provide a simple operation,
An object of the present invention is to provide an easel that can change the angle of a picture board or the like in a short time.

[0007]

[Means for Solving the Problems] Therefore, claim 1
A support frame in which an intermediate portion of the drawing plate support can be fixed to the mounting base, and one end of the support frame is movable in the longitudinal direction of the support frame, and is supported so as to be fixed at an appropriate position; The fixed side frame in which the intermediate portion of the hanging frame is rotatably supported by the portion, and the other end of the supporting frame is movably supported in the longitudinal direction of the supporting frame. It comprises a movable frame whose intermediate portion is rotatably supported, and an elastic member for urging the movable frame toward the support frame.

The movable frame is moved against the elastic force of the elastic member while the lower end of the drawing board or the like is supported by the hanging frame of the fixed frame, and the hanging frame is hooked on the upper part of the drawing board or the like. Stop and hold. For this reason, it is possible to firmly hold drawing boards of various sizes and to prevent displacement of the drawing boards and the like during use.

A sixth aspect of the present invention has a construction in which the image plate support of the first aspect is attached to a leg by providing an image plate tilting member. For this reason, it is possible to tilt the drawing board or the like to a desired angle in a short time by operating the drawing board tilting member.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an overall perspective view schematically showing an easel.

FIG. 2 is an overall perspective view of the leg.

FIG. 3 is an exploded perspective view of the picture plate support.

FIG. 4 is a schematic partial sectional view taken along the line IV-IV in FIG.

FIG. 5 is a schematic partial sectional view taken along the line VV in FIG.

FIG. 6 is a partial perspective view showing a modified example of the mounting structure of the fixed frame and the retaining frame.

The easel 1 includes a leg 3 and a picture plate support 5. The leg 3 has three bases 9 rotatably supported at three divided positions on a base 7, respectively. An elevating shaft 11 having an outer peripheral surface formed with a rack gear 11a in the axial direction is supported at the center of the base 7 so as to be slidable in the vertical direction. A pinion gear (not shown) of the handle 13 which is supported so as to be engaged with the handle 13, and the lifting shaft 11 is moved up and down by rotating the handle 13.

A cylindrical body 15 for accommodating the elevating shaft 11 is attached to the lower surface of the base 7, and the sliding ring 1 is attached to the cylindrical body 15.
7 is slidably supported in the axial direction. The sliding ring 17 has one end rotatably supported at the lower part of each leg 9 at the other end thereof and the other end of the arm 19 rotatably supported, respectively.
Each arm 19 is configured to make the opening and closing angle of each leg 9 equal. Each of the legs 9 may have a single-stage structure or a multi-stage structure in which a movable leg (not shown) is built in the lower part of the leg 9 so as to be extendable.

A holder 21 is mounted on an upper portion of the elevating shaft 11, and a tilt mount 23 constituting a part of a tilt operating member is rotatable and fixable on a shaft 21a provided on a side surface of the holder 21. It is pivoted. In other words, the tilt mount 23 is inserted into the shaft 21a, and is formed so as to be able to expand and contract in diameter by a tilt operation shaft 25 which constitutes a part of a tilt operation member attached with the slit 23a interposed therebetween. The tilt mount 23 is made rotatable with respect to the shaft 21a by expanding the diameter of the tilt mount 23 by the rotation of the tilt operation shaft 25, while the tilt mount is tilted with respect to the shaft 21a by reducing the diameter of the tilt mount 23. 23 is fixed.

A fixed mount 29 of the picture plate support 5 described later is mounted on the tilt mount 23. Tilt mount 2
As a mounting structure of the fixed mount 29 with respect to 3, a structure in which a fixing screw (not shown) temporarily fixed to the tilt mount 23 is screwed to the fixed mount 29 or a fixed mount 29 partially locked to the tilt mount 23 is used. On the other hand, any structure may be employed in which the cam 24 attached to the tilt mount 23 is engaged and detachably fixed.

The support frame 31 of the drawing board support 5 is a rectangular tube having a required length, and a fixed block 33 is screwed in a middle portion in the longitudinal direction. The fixing block 33 has a through hole 31 formed at a longitudinally intermediate portion of the support frame 31.
A nut portion 33 a communicating with the support frame 31 is provided. The support frame 31 is fixed to the leg 3 via the fixed mount 29 by screwing the mounting screw 28 of the fixed mount 29.

A fixed frame 35 is inserted into one end (lower portion) of the support frame 31 so as to be movable in the longitudinal direction of the support frame 31. The fixed frame 35 is prevented from falling out of the support frame 31 and appears and disappears. The fixing pin 37 that is supported so as to be selectively engaged with a plurality of holes 35a provided in the longitudinal direction is configured to be fixable to the support frame 31.

That is, the large-diameter portion 3 slightly smaller than the hole 35a is formed at the end of the fixing pin 37 fitted into the support frame 31.
7a is provided, and the fixing pin 37 is prevented from coming off from the support frame 31 by the large diameter portion 37a and the head 37b.
A recess 31b having a depth substantially matching the axial width of the large diameter portion 37a is provided on the inner surface of the support frame 31 through which the fixing pin 37 is inserted. When lifted, fixed frame 35
The fixed-side frame 35 is movable with respect to the support frame 31 by positioning the large-diameter portion 37a that has escaped from the hole 35a in the recess 31b.

At the end of the fixed side frame 35, an intermediate portion of the L-shaped lower hanging frame 39 whose cross section orthogonal to the longitudinal direction is L-shaped is a shaft 41.
To be rotatably supported. The lower hanging frame 39 may have a structure that can be fixedly rotated with respect to the end portion of the fixed side frame 35 or a structure that is detachably and rotatable.

As a structure for detachably and rotatably supporting the lower hanging frame 39 with respect to the end of the fixed frame 35, the shaft 41 can be slid in the axial direction at the end of the fixed frame 35. Then, the mounting block 42 which is supported so as to be able to be retained is inserted and a compression spring 45 is built in the mounting block 42, and the shaft 41 is urged by the elastic force so as to always be located in the mounting block 42. .

That is, the shaft 41 is prevented from falling off by its head portion 41a and the large diameter portion 41b located in the mounting block 42, and a compression spring 45 is mounted between the inner surface of the fixed frame 35 and the large diameter portion 41b. The shaft 41 is urged by the elastic force so that it is always located in the mounting block 42. A large-diameter hole 39a large enough to fit the head 41a of the shaft 41 and a small-diameter hole 39b large enough to fit the shaft 41c of the shaft 41 are continuously formed in the middle of the lower hanging frame 39. The head 41a is inserted into the large-diameter hole 39a while the shaft 41 is pushed up from the through-hole 42a formed in the mounting block 42 on the large-diameter portion 41b side against the elastic force of the compression spring 45. Later, the lower hanging frame 39 is moved to the small-diameter hole 3.
By engaging the shaft portion 41c within 9b, the lower hanging frame 39 is detachably and rotatably supported with respect to the fixed frame 35.

Incidentally, as shown in FIG.
A support pin 30 having a shaft portion 30a having a length substantially matching the thickness of the fixed side frame 35 and a large diameter portion 30b at an end is attached to an intermediate portion of the fixed side frame 35, and a large diameter portion is attached to an end of the fixed side frame 35. A large-diameter hole 35c having a size enough to insert the portion 30b and a small-diameter hole 35d having a size substantially matching the shaft portion 30a are provided, and the large-diameter portion 30b of the support pin 30 is inserted into the large-diameter hole 35c. The lower hanging frame 39 is moved to
By engaging a with the small-diameter hole 35d, the lower hanging frame 39 may be detachably attached to the fixed frame 35 and may be rotatably supported.

A movable frame 47 is movably inserted in the other end of the support frame 31 in the longitudinal direction, and a mounting block 46 is inserted in an end of the movable frame 47. And the fixed block 33 in the support frame 31
An elastic member 49 is mounted between the movable block 47 and the mounting block 46 by the elastic force of the elastic member 49.
Is always urged to be located in the fixed side frame 35. The elastic member 49 may be a tension spring, rubber, or the like.

At the end of the movable frame 47, an intermediate portion of an upper hanging frame 51 similar to the lower hanging frame 39 is provided with a shaft 53.
To be rotatable. The hanging frame 5
Reference numeral 1 denotes a structure similar to that of the lower hanging frame 39, which may be detachable from an end of the movable frame 47.

It is to be noted that a urethane foam sheet,
An elastic sheet (not shown) having a high coefficient of friction, such as a rubber sheet, may be attached to prevent displacement of the picture plate 43 or the like by frictional force. When the lower and upper hanging frames 39 and 51 are detachably attached to the fixed frame 35 and the movable frame 47, respectively, the size (thickness) of the drawing board 43 or the like to be held is set. A plurality of types of lower and upper hanging frames 39 and 51 having different heights of the standing walls are prepared in advance, and the lower and upper hanging frames 39 and 51 can be exchanged according to the drawing board 43 to be attached. do it.

Next, the easel 1 configured as described above is used.
The usage of will be described.

FIG. 7 is a partial longitudinal sectional view showing a state where the fixed frame is movable with respect to the support frame.

FIG. 8 is a perspective view showing an attached state of a picture board and the like.

FIG. 9 is a side view showing a holding state of another drawing board or the like.

FIG. 10 is a side view of the drawing board and the like in a substantially horizontal state and a substantially vertical state.

First, with the fixing pin 37 being pushed upward, the fixed side frame 35 is
After moving in the longitudinal direction to select the corresponding hole 35a so that the distance from the fixing block 33 to the lower hanging frame 39 is about half the height of the drawing board 43 to be mounted, the corresponding pin 35a is selected. Is pressed down so as to engage with the selected hole 35a to fix them.

Next, in the above-mentioned state, the movable frame 4
7 is moved upward against the elastic force of the elastic member 49 to lock the upper hook frame 51 on the upper portion of the drawing board 43 or the like. At this time, the movable frame 47 is
Are urged by the elastic force of the elastic member 49, so that the lower part of the drawing board 43 supported by the lower hanging frame 39 is moved to the upper hanging frame 51 urged by the elastic force of the elastic member 49.
Can be pressed against each other, and the drawing board 43 or the like can be firmly held. Further, even if the contact positions of the lower and upper hanging frames 39 and 51 with respect to the drawing board 43 are slightly shifted between the upper part and the lower part, as shown in FIG. And the hanging frame 39
The image board 43 and the like can be held by being held in an inclined state by rotating the respective 51.

Next, in order to prevent the watercolor paint from dripping when drawing using, for example, the watercolor paint, or to draw the watercolor paint in an active manner, the tilt operation shaft 25 is rotated. 10 to rotate the tilt mount 23, and FIG.
In this case, the camera is set to a substantially horizontal state shown by a solid line, or is tilted to a substantially vertical state shown by a dashed line in FIG. In the former case, the drawing board 43 or the like is set in a substantially horizontal state to prevent dripping of the watercolor paint. On the other hand, in the latter case, the drawing board or the like 43 is set in a substantially vertical state and the watercolor paint is actively dripped.

As described above, according to the present embodiment, it is possible to firmly fix various types of drawing boards 43 having different sizes and to prevent the drawing boards 43 from being displaced during use. or,
Even during use, the inclination of the drawing board 43 or the like can be changed in a short time by the rotation operation of the tilt operation shaft 25, preventing the watercolor paint from dripping, and conversely, the watercolor paint is actively dripped. Can be drawn.

[0040]

As described above, according to the present invention, it is possible to reliably hold a picture plate or the like by a simple operation without being restricted by the size and arrangement state of the picture plate and the like. Also, the present invention is a simple operation,
The angle of the drawing board or the like can be changed in a short time.

[Brief description of the drawings]

FIG. 1 is an overall perspective view schematically showing an easel.

FIG. 2 is an overall perspective view of a leg.

FIG. 3 is an exploded perspective view of a drawing plate support.

FIG. 4 is a schematic partial sectional view taken along the line IV-IV in FIG. 1;

FIG. 5 is a schematic partial sectional view taken along line VV in FIG. 1;

FIG. 6 is a perspective view showing a modified example of the mounting structure of the fixed frame and the hanging frame.

FIG. 7 is a partial longitudinal sectional view showing a state where the fixed frame is movable with respect to the support frame.

FIG. 8 is a perspective view showing an attached state of a drawing board and the like.

FIG. 9 is a side view showing another holding state of a drawing board and the like.

FIG. 10 is a side view of a drawing board and the like in a substantially horizontal state and a substantially vertical state.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Easel, 3 legs, 5 drawing board support, 21 holder, 23 Tilt mount forming a part of tilt operating member, 25 Tilt operating shaft forming a part of tilt operating member,
31 support frame, 35 fixed frame, 39 hanging frame, 47 movable frame, 49 elastic member, 5
1 Hanging frame

Claims (7)

[Claims] 1. An easel in which a drawing board support for supporting a drawing board or the like is provided on a leg provided with a height-adjustable holder,
The drawing plate support is a support frame in which an intermediate portion can be fixed to the holder, and is movable in the longitudinal direction of the support frame with respect to one end of the support frame, and is supported so as to be fixed at an appropriate position, and is supported at a tip end portion. A fixed-side frame in which an intermediate portion of the hanging frame is rotatably supported; and an intermediate portion of the hanging frame, which is supported movably in the longitudinal direction of the supporting frame with respect to the other end of the supporting frame. An easel comprising: a movable side frame rotatably supported; and an elastic member for urging the movable side frame toward the support frame. 2. A supporting member according to claim 1, wherein the shaft member inserted in one end of the supporting frame in a retaining state is selectively inserted into a large number of holes provided in the fixed side frame. An easel that allows the fixed side frame to be moved and fixed relative to the frame. 3. The easel according to claim 1, wherein an intermediate portion of each of the retaining frames is detachably provided to the fixed frame and the movable frame. 4. A shaft according to claim 3, wherein each of the shaft members inserted in one end and the other end of the support frame in a retaining state is attached by an elastic member so as to be always located on the support frame side. A large-diameter hole substantially coinciding with the head of the shaft member and a small-diameter hole substantially coincident with the shaft portion are continuously provided in the middle of the retaining frame, and each retaining frame is provided for each end of the support frame. An easel which is detachably mounted rotatably by engaging the shaft portion with the small diameter hole after inserting the head of the shaft member into the large diameter hole. 5. A supporting member according to claim 3, wherein a shaft member having a length substantially equal to the thickness of the support frame and a shaft member having a large-diameter portion are attached to an intermediate portion of each hook frame, and each end of the support frame. A large-diameter hole substantially coinciding with the large-diameter portion of the shaft member and a small-diameter hole approximately coincident with the shaft portion are continuously provided, and each retaining frame is attached to each end of the support frame by the head of the shaft member. An easel that is rotatably mounted so that the shaft portion engages with the small-diameter hole after the portion is inserted into the large-diameter hole. 6. The easel according to claim 1, wherein the drawing plate support is attached to the leg via a drawing plate tilting member. 7. The tilting member according to claim 6, wherein the image plate tilting member is rotatably supported by a shaft portion of the holder, and a tilting mount capable of fixing an intermediate portion of the support frame, and a tilting mount fixed to the shaft supporting portion. An easel comprising a rotating operation member for performing a rotating operation.