JP2021148722A - Setting guideline and instrument equipped with the same - Google Patents

Abstract

To provide a setting guideline which can be manufactured simply and inexpensively, and to provide an instrument equipped with the same.SOLUTION: A setting guideline 10 includes: an indication part 11 projecting in one direction; and a resilient part 12 protruding in a direction intersecting with a protruding direction of the indication part 11. The resilient part 12 is a leaf spring opened in a V-shape and is constituted so as to be elastically deformable in a closing direction. Thus, when the resilient part 12 of the setting guideline 10 is inserted into the circumferential groove of the instrument, the resilient part 12 is elastically deformed and retained in the circumferential groove even when the groove width of the circumferential groove varies.SELECTED DRAWING: Figure 1

Description

The present invention relates to a setting guideline for indicating a predetermined scale on the instrument and an instrument provided with the setting guideline. In particular, the present invention relates to a setting guideline suitable for use in a pressure gauge and an instrument provided with the setting pointer.

The setting pointer is called a setting needle, a safety needle, a safety mark, an indicator, etc., and indicates a setting value, a lower limit value, or an upper limit value of the scale separately from the pointer of the rotating instrument. Various methods have been devised for attaching this setting pointer to the instrument. Of these, the one in which an annular peripheral groove is formed in the transparent cover that covers the dial of the instrument, and the setting pointer is inserted into or pulled out from the peripheral groove to be detachably attached to the transparent cover is patented. It is disclosed in Document 1 and Patent Document 2.

Patent Document 1 describes an L-shaped indicator (setting guideline) in a plan view in which a pointer portion and a repulsive portion are connected at a right angle, which is an integrally formed product of a synthetic resin. The elastic part of this indicator extends in the tangential direction of the annular engaging groove (circumferential groove) in the transparent cover and comes into contact with the outer peripheral wall surface in the engaging groove with an appropriate strength so that the indicator can be moved and at a desired position. (See FIG. 3 of Patent Gazette 1).

Patent Document 2 describes a setting guideline having a substantially L-shape in a side view, which is an integrally formed product of a synthetic resin and in which an indicator body and a drooping body are connected at a right angle. The hanging body of this setting pointer is curved in an arc shape along the circumferential direction of the peripheral groove of the transparent plate (transparent cover), and is configured so that it can be inserted and removed from the peripheral groove. Further, a modified example in which a plurality of ribs are formed on the hanging body in order to prevent the setting guideline from being disengaged, or the hanging body is formed wider in the circumferential direction than the indicator is also described (Patent Gazette 2). (See FIGS. 1 and 2).

Utility Model Registration No. 3120394 Registered Utility Model No. 3018872

Since the setting guideline described in Patent Document 1 and Patent Document 2 are both integrally formed products of synthetic resin, the engaging portion and the hanging body of the setting guideline can be held in the peripheral groove of the transparent cover and along the peripheral groove. There is a problem that it is difficult to form a movable size. If the thickness of the engaging part or hanging body of the setting guideline is larger than the groove width of the peripheral groove, the engaging part or hanging body of the setting guideline cannot be inserted into the peripheral groove. This is because the joint and the hanging body are easily pulled out from the peripheral groove. Therefore, the yield of the setting guideline may be lowered, and the manufacturing cost of the setting guideline may be high.

Therefore, the present invention solves the above-mentioned problems, and an object of the present invention is to provide a setting guideline capable of easily and inexpensively manufacturing a setting guideline that can be held in a peripheral groove and an instrument provided with the setting guideline. be.

In order to solve the above problems, the setting guideline of the present invention has an indicator portion that protrudes in one direction and an elastic portion that protrudes in a direction intersecting the protruding direction of the indicator portion, and the elastic portion. Is a leaf spring that opens in a V shape, and is characterized in that it is elastically deformable in the closing direction.

According to the present invention, the setting guideline has an indicating portion protruding in one direction and an elastic portion protruding in a direction intersecting the protruding direction of the indicating portion, and the elastic portion has a V shape. It is a leaf spring that is open to the outside, and is configured to be elastically deformable in the closing direction. Since it elastically deforms so as to resist closing, the elastic portion can be held in the peripheral groove even if the groove width of the peripheral groove varies.

In the present invention, it is preferable that at least the elastic portion of the setting guideline is formed by bending a metal member. According to the present invention, since the elastic portion is formed by bending a metal member at least, the setting guideline is simpler than the case where the setting guideline is an integrally formed product of synthetic resin. Moreover, it can be manufactured at low cost and can be finely adjusted after molding. In this case, the setting guideline may be formed by bending only the elastic portion of the metal member in a V shape, or by bending the metal member as a whole.

In the present invention, the setting guideline is preferably an integrally molded product of synthetic resin. According to the present invention, the setting guideline is an integrally molded product of synthetic resin. In this case, the setting guideline may be an integrally molded product of synthetic resin as a whole, or a part of the indicator portion, the elastic portion, or the like may be an integrally molded product of synthetic resin.

The instrument of the present invention has the setting guideline according to any one of claims 1 to 3 and a transparent cover having a translucent property including an annular circumferential groove, and the bullet of the setting guideline. The setting guideline is configured to be attached to the transparent cover by inserting the starting portion into the peripheral groove of the transparent cover, and the elastic portion of the setting guideline is connected in a V shape. It is composed of a plate-shaped portion, and the outer plate-shaped portion of the two plate-shaped portions is formed so that the length of the elastic portion in the protruding direction is smaller than the depth of the peripheral groove in the transparent cover. It is characterized by being done.

According to the present invention, the setting guideline according to any one of claims 1 to 3 and a transparent cover having a translucent property including an annular peripheral groove are provided, and the bullet of the setting guideline is provided. The setting guideline is configured to be attached to the transparent cover by inserting the starting portion into the peripheral groove of the transparent cover, and the elastic portion of the setting guideline is connected in a V shape. It is composed of a plate-shaped portion, and the outer plate-shaped portion of the two plate-shaped portions is formed so that the length of the elastic portion in the protruding direction is smaller than the depth of the peripheral groove in the transparent cover. Therefore, when the elastic portion of the setting guideline is inserted into the peripheral groove of the transparent cover, the end portion of the outer plate-shaped portion of the elastic portion is arranged in the peripheral groove. Since the inner wall of the peripheral groove is pressed by the spring force of the elastic portion, the end portion of the outer plate-shaped portion is caught on the inner wall of the peripheral groove, and the elastic portion of the setting guideline is referred to. It can be made difficult to come off from the peripheral groove of the transparent cover.

The instrument of the present invention is provided between an indicator protruding in one direction, a repulsive portion projecting in a direction intersecting the projecting direction of the indicator, and the indicator and the repulsive portion. It has a setting guideline having a concave groove portion, and a transparent cover having a translucent property including an annular ridge and a circumferential groove arranged concentrically adjacent to each other on the inner side and the outer side in the radial direction. When the elastic portion of the pointer is inserted into the peripheral groove of the transparent cover, the protrusion of the transparent cover is inserted into the concave groove portion of the setting guideline, and the concave groove portion of the setting guideline is inserted into the concave groove portion of the transparent cover. It is characterized in that it is configured so that the convex strip can be sandwiched.

According to the present invention, an indicator portion projecting in one direction, a repulsion portion projecting in a direction intersecting the projecting direction of the instruction portion, and a repulsion portion provided between the instruction portion and the repulsion portion. It has a setting guideline having a concave groove portion, and a transparent cover having a translucent property including an annular ridge and a circumferential groove arranged concentrically adjacent to each other on the inner side and the outer side in the radial direction. When the elastic portion of the pointer is inserted into the peripheral groove of the transparent cover, the protrusion of the transparent cover is inserted into the concave groove portion of the setting guideline, and the concave groove portion of the setting guideline is inserted into the concave groove portion of the transparent cover. When the elastic portion of the indicating portion is inserted into the peripheral groove of the transparent cover, the convex stripe of the transparent cover becomes the concave groove portion of the setting guideline because the convex stripe can be sandwiched. Therefore, the setting guideline can be more firmly connected to the transparent cover as compared with the case where the elastic portion of the setting guideline is only inserted into the peripheral groove of the transparent cover.

In the present invention, it is preferable that the elastic portion of the setting guideline is a leaf spring that opens in a V shape and is elastically deformable in the closing direction. According to the present invention, the elastic portion of the setting guideline is a leaf spring that opens in a V shape and is configured to be elastically deformable in the closing direction, so that the elastic portion of the setting guideline is the said. When inserted into the peripheral groove of the transparent cover, the elastic portion is elastically deformed by the inner wall of the peripheral groove so as to be closed against the urging force of the spring, so that even if the groove width of the peripheral groove varies. The elastic portion can be held in the peripheral groove.

In the present invention, the setting guideline is preferably formed by bending a metal member. According to the present invention, since the setting guideline is formed by bending a metal member, the setting guideline can be manufactured easily and inexpensively as compared with the case where the setting guideline is an integrally molded product of synthetic resin. , Can be fine-tuned after molding. In this case, the setting guideline may be formed by bending a metal member as a whole, or a part of the indicator portion, the elastic portion, the concave groove portion, the elastic portion, the concave groove portion, and the like may be made of metal. It may be formed by bending a member.

In the present invention, the setting guideline is preferably an integrally molded product of synthetic resin. According to the present invention, the setting guideline is an integrally molded product of synthetic resin. In this case, the setting guideline may be an integrally molded product of synthetic resin as a whole, or may be a part of the indicator portion, the elastic portion, the concave groove portion, or the like, which is an integrally molded product of synthetic resin. good.

As described above, according to the present invention, the elastic portion of the setting guideline is a leaf spring opened in a V shape, and even if the groove width of the circumferential groove of the transparent cover varies, the elastic portion is rotated around the elastic portion. It can have an excellent effect that the setting pointer can be held on the transparent cover just by inserting it into the groove.

It is a perspective view which shows the state which looked at the setting guideline which concerns on 1st Embodiment from the front. It is a perspective view which shows the state which the setting pointer was seen from the rear. It is a side view of a setting guideline. It is a perspective view of the instrument which concerns on 1st Embodiment. It is a front view of an instrument. It is an exploded perspective view of an instrument. It is an enlarged view of the part surrounded by the alternate long and short dash line i in FIG. It is an enlarged view of the part surrounded by the alternate long and short dash line ii in FIG. It is a partial cross-sectional perspective view of an instrument. It is an enlarged view of the part surrounded by the alternate long and short dash line iii in FIG. It is a partially cross-sectional enlarged view (a) showing the connection state of the setting guideline and the transparent cover, and (b) a partially cross-sectional enlarged view showing the connecting state of the setting guideline and the transparent cover of the comparative example. It is a top view of the instrument which concerns on other embodiment. It is a top view of the instrument which concerns on another embodiment. It is a perspective view which shows the state which looked at the setting guideline which concerns on 2nd Embodiment from the front. It is a perspective view which shows the state which the setting pointer was seen from the rear. It is a perspective view of the instrument which concerns on 2nd Embodiment. It is a front view of an instrument. It is an enlarged view of the part surrounded by the alternate long and short dash line iv in FIG. It is an enlarged view of the part surrounded by the alternate long and short dash line v in FIG. It is a top view of the instrument which concerns on other embodiment. It is a top view of the instrument which concerns on another embodiment.

[First Embodiment]
(Setting guideline)
Hereinafter, the setting guideline of the embodiment according to the present invention will be described in detail. FIG. 1 is a perspective view showing a state in which the setting guideline of the first embodiment is viewed from the front. FIG. 2 is a perspective view showing a state in which the setting pointer is viewed from the rear. FIG. 3 is a side view of the setting guideline. As shown in FIGS. 1 to 3, the setting pointer 10 has a pointer portion 11, a repulsion portion 12, and a concave groove portion 13.

In the drawings, the direction indicated by the arrow U is on the upper side (in FIGS. 1 to 4, 6 to 7 and 9 to 11, 14 to 16 and 18 on the upper side of the paper, FIG. 5 8 and 12 to 13 and 17 and 19 to 21 show the surface side of the paper surface, and the direction indicated by the arrow D is the lower side (FIGS. 1 to 4 and 6 to 7). 9 to 11, 14 to 16 and 18 show the lower side of the paper, and 5 and 8 and 12 to 13 and 17 and 19 to 21 show the back side of the paper. ), The direction indicated by the arrow F is the tip side (front side), and the direction indicated by the arrow B is the base end side (rear side). The direction indicated by the arrow U and the arrow D is the vertical direction, the direction indicated by the arrow F and the arrow B is the front-back direction, and the direction indicated by the arrow L and the arrow R is the width direction. These directions indicate relative positional relationships, not absolute positional relationships with respect to the direction of gravity.

The pointer portion 11 has a first plate-shaped portion 1. The first plate-shaped portion 1 has a triangular shape or a plate shape having a shape close to that of a triangle when viewed from the vertical direction indicated by arrows U and D. Specifically, the first pointer portion 1 has a predetermined thickness in the vertical direction, the tip 1a on the tip side indicated by the arrow F is the apex side of the triangle, and the base end 1b on the base end side indicated by the arrow B. Is the base side of the triangle, and the width length in the width direction indicated by the arrows L and R of the first plate-shaped portion 1 is based on the tip 1a of the first plate-shaped portion 1 in the front-rear direction indicated by the arrows F and B. It is gradually widened up to the end 1b. As a result, the tip 1a of the first plate-shaped portion 1 indicates the indicated direction. Further, the first plate-shaped portion 1 (pointer portion 11) may be colored with a desired color such as green or red on the upper upper surface or the entire surface indicated by the arrow U in order to improve visibility and distinguishability. However, a desired color such as green or red may be colored on the entire setting guideline 10. Of course, the shape of the first plate-shaped portion 1 is an example, and it is sufficient if the indicated direction can be expressed, and the design of the first plate-shaped portion 1 can be freely changed to another shape.

Next, the elastic portion 12 is a leaf spring opened in a V shape. The elastic portion 12 has a predetermined width in the width direction indicated by the arrow L and the arrow R, is formed in a V shape when viewed from the width direction, and is configured to be elastically deformable in the closing direction. As a result, when the elastic portion 12 is inserted into the groove, the elastic portion 12 is elastically deformed and held in the groove.

More specifically, the elastic portion 12 has a fourth plate-shaped portion 4 and a fifth plate-shaped portion 5. The fourth plate-shaped portion 4 and the fifth plate-shaped portion 5 are plate-shaped having a predetermined width in the width direction. The fourth plate-shaped portion 4 extends in the vertical direction, the lower end of the fifth plate-shaped portion 5 is connected to the lower end 4d thereof, and the fifth plate-shaped portion 5 is on the base end side (rear) indicated by the arrow B. It is inclined to the side). That is, the fourth plate-shaped portion 4 and the fifth plate-shaped portion 5 are connected in a V shape when viewed from the width direction. The fifth plate-shaped portion 5 is elastically deformable so as to approach the fourth plate-shaped portion 4. In other words, the fifth plate-shaped portion 5 is configured to be rotatable around an axis P extending in the width direction along the lower end 4d of the fourth plate-shaped portion 4 against the urging force of the spring. The fourth plate-shaped portion and the fifth plate-shaped portion 5 correspond to the above-mentioned two plate-shaped portions, and the fifth plate-shaped portion 5 corresponds to the above-mentioned outer plate-shaped portion.

The concave groove portion 13 is a concave portion whose lower side is open, and this concave portion is configured so that a ridge protruding in the vertical direction can be inserted. More specifically, the concave groove portion 13 has a second plate-shaped portion 2, a third plate-shaped portion 3, and a fourth plate-shaped portion 4. The second plate-shaped portion 2, the third plate-shaped portion 3, and the fourth plate-shaped portion 4 are plate-shaped having a predetermined width in the width direction. Of these, the second plate-shaped portion 2 and the fourth plate-shaped portion 4 extend in the vertical direction, and are arranged at predetermined intervals in the front-rear direction in the front-rear direction. The third plate-shaped portion 3 extends in the front-rear direction and is connected to the upper ends of the second plate-shaped portion 2 and the fourth plate-shaped portion 4, respectively, to form the second plate-shaped portion 2 and the fourth plate. It is hung between the shape portion 4 and the shape portion 4. As a result, the second plate-shaped portion 2, the third plate-shaped portion 3, and the fourth plate-shaped portion 4 are connected in a U shape when viewed from the width direction.

The pointer portion 11 and the elastic portion 12 are orthogonal or intersect in an L shape when viewed from the width direction. The first plate-shaped portion 1 is arranged on the front side (tip side) of the third plate-shaped portion 3, and the fourth plate-shaped portion 4 and the fifth plate-shaped portion 5 are the third plate-shaped portion 3. It extends downward from. Therefore, when the elastic portion 12 is inserted into the peripheral groove of the transparent cover or the like, the indicating portion 11 indicates the direction along the surface of the transparent cover.

In the setting pointer 10, the pointer portion 11, the concave groove portion 13, and the elastic portion 12 are sequentially connected so as to be continuous with each other. The pointer portion 11 and the elastic portion 12 are not directly connected, and a concave groove portion 13 is interposed between the pointer portion 11 and the elastic portion 12. As a result, the movement of the pointer portion 11 is not directly transmitted to the elastic portion 12.

The pointer portion 11 and the concave groove portion 13 are connected to each other. More specifically, the base end 1b of the first plate-shaped portion 1 and the lower end of the second plate-shaped portion 2 are connected. Therefore, the pointer portion 11 is arranged in the projecting direction of the elastic portion 12 from the concave groove portion 13. In other words, the first plate-shaped portion 1 of the pointer portion 11 is arranged below the third plate-shaped portion 3 of the concave groove portion 13 by the length of the second plate-shaped portion 2 in the vertical direction. As a result, since the pointer portion 11 is arranged at a position lower than the upper end position of the concave groove portion 13, the pointer portion 11 can be made difficult to be hooked, and the setting guideline 10 can be made difficult to come off from the transparent cover or the like.

On the contrary, the concave groove portion 13 projects from the position of the pointer portion 11 to the opposite side with respect to the projecting direction of the elastic portion 12. Specifically, the concave groove portion 13 projects upward. The upper end portion of the concave groove portion 13, that is, the third plate-shaped portion 3 is arranged above the position of the first plate-shaped portion 1 of the pointer portion 11 by the length in the vertical direction of the second plate-shaped portion 2. ing. As a result, the third plate-shaped portion 3 which is the protruding portion of the concave groove portion 13 can be easily pinched, and the setting guideline 10 can be easily inserted and removed from the peripheral groove by pinching the third plate-shaped portion 3. It has become like.

Further, the concave groove portion 13 and the elastic portion 12 are connected so as to partially overlap each other. That is, the fourth plate-shaped portion 4 of the elastic portion 12 and the fourth plate-shaped portion 4 of the concave groove portion 13 are the same, and the fourth plate-shaped member 4 is the concave groove portion 13 and the elastic portion 12. Also serves as a part of. Specifically, the fifth plate-shaped portion 5 of the elastic portion 12 is connected to the lower end of the fourth plate-shaped portion 4 of the concave groove portion 13. In other words, the third plate-shaped portion 3 of the concave groove portion 13 is connected to the upper end of the fourth plate-shaped portion 4 of the elastic portion 12.

The pointer portion 11, the concave groove portion 13, and the elastic portion 12 are connected to each other. That is, the first plate-shaped portion 1, the second plate-shaped portion 2, the third plate-shaped portion 3, the fourth plate-shaped portion 4, and the fifth plate-shaped portion 5 are sequentially connected. In the present embodiment, the pointer portion 11, the concave groove portion 13, and the elastic portion 12 are integrally formed. Specifically, the setting guideline 10 is formed by bending a single plate-shaped member made of metal or the like and having a predetermined thickness. That is, the first plate-shaped portion 1, the second plate-shaped portion 2, the third plate-shaped portion 3, and the fourth plate-shaped portion so that the crease obtained by bending the plate-shaped member becomes the boundary of each plate-shaped portion. A portion 4 and a fifth plate-shaped portion 5 are formed. As a result, the size and the like of each plate-shaped portion can be easily finely adjusted by bending the plate-shaped member.

The setting guideline 10 configured as described above is used by inserting and removing the elastic portion 12 into and from the annular peripheral groove such as a transparent cover that covers the dial of the instrument.

In the present embodiment, the elastic portion 12 of the setting guideline 10 is a leaf spring that opens in a V shape, and is configured to be elastically deformable in the closing direction, so that the elastic portion 12 is inserted into the peripheral groove. Since the elastic portion 12 is held in the peripheral groove in a compressed state, the setting guideline 10 can be easily attached even if the groove width of the peripheral groove varies.

Further, the pointer portion 11 of the setting guideline 10, the concave groove portion 13 and the elastic portion 12 are sequentially connected so as to be connected to each other, and the concave groove portion 13 is provided between the pointer portion 11 and the elastic portion 12. Since the shaking of the pointer portion 11 is not directly transmitted to the elastic portion 12, the setting pointer 10 can be made difficult to come off from the peripheral groove.

Since the setting guideline 10 is formed by bending a plate-shaped metal member, the size of each plate-shaped portion can be finely adjusted depending on the degree of bending. It can be manufactured easily and inexpensively. The setting guideline 10 may be an integrally molded product of synthetic resin.
(Instrument)

Next, the instrument according to the first embodiment will be described in detail. FIG. 4 is a perspective view of the instrument of the first embodiment according to the present invention. FIG. 5 is a plan view of the instrument. FIG. 6 is an exploded perspective view of the instrument. As shown in FIGS. 4 to 6, the instrument 100 includes an instrument main body 40 in which a measuring instrument such as a pressure gauge is built, a transparent cover 50 covering the front surface of the instrument main body 40, and a setting guideline 10 attached to the transparent cover 50. Has 10. The setting guidelines 10 and 10 are the same as the setting guidelines 10 described above, and the description thereof will be omitted. The vertical direction of the instrument 100 is set to be the same as the direction extending along the axis O of the instrument 100.

FIG. 9 is a partial cross-sectional perspective view of the instrument. As shown in FIG. 9, the instrument body 40 is housed inside a cylindrical case 41, a disk-shaped dial 42 arranged inside the case 41, and the case 41 and the dial 42. It has a measuring mechanism 44. For example, the measuring mechanism 44 is a mechanism of a pressure gauge, and has a Bourdon tube, a rotating shaft, and an internal unit that transmits the displacement of the Bourdon tube to the rotating shaft. The rotating shaft penetrates the dial 42 and projects upward as indicated by the arrow U, and a pointer 43 is attached to the upper end thereof. The pointer 43 is arranged on the upper side of the dial 42, and is configured to be rotated by the measuring mechanism 44 to indicate the scale 42a provided on the plate surface of the dial 42.

Returning to FIG. 6, the transparent cover 50 is a circular member made of synthetic resin, and has a flat portion 51 and a width-thick portion 52. The flat portion 51 has a disk shape and is provided on the inner side in the radial direction about the center point C of the transparent cover 50. Further, the flat portion 51 has translucency, and is configured so that the opposite side of the flat portion 51 can be visually recognized through the plate surfaces (upper surface and lower surface) of the flat portion 51. The plate surface of the flat portion 51 is formed smoothly.

The width-thick portion 52 of the transparent cover 50 is provided on the outer side in the radial direction of the flat portion 51, and surrounds the flat portion 51 in a circumferential shape. The width-thick portion 52 is formed so that the thickness in the vertical direction is thicker than the thickness in the vertical direction of the flat portion 51, and the upper portion 52a protruding upward from the plate surface of the flat portion 51 and the lower portion 52b protruding downward. Has.

FIG. 10 is an enlarged view of the portion surrounded by the alternate long and short dash line iii in FIG. As shown in FIGS. 6 and 10, in the upper portion 52a of the wide portion 52, the ridges 53, the peripheral groove 54, and the outer peripheral portion 55 are sequentially arranged concentrically from the inside to the outside in the radial direction of the transparent cover 50. It is provided. Of these, the ridge 53 and the outer peripheral portion 55 project upward in an annular shape. The outer peripheral portion 55 constitutes the outer circumference of the transparent cover 50, and a vertical groove 55a for preventing slippage is formed on the outer peripheral portion of the outer peripheral portion 55. The vertical grooves 55a are curved in an arc shape, and a plurality of the vertical grooves 55a are formed at intervals from each other so as to orbit around the axis O passing through the center point C of the transparent cover 50. The peripheral groove 54 is an annular concave groove, which is recessed downward and is provided between the ridge 53 and the outer peripheral portion 55. In other words, the ridges 53 and the peripheral grooves 54 are annular and are arranged adjacent to the inside and outside of the transparent cover 50 in the radial direction. The ridges 53 and the peripheral grooves 54 correspond to the above-mentioned ridges and peripheral grooves, respectively.

As shown in FIGS. 4 and 9, the transparent cover 50 is detachably attached to the upper part of the instrument body 40 to close the opening of the case 41 of the instrument body 40. As shown in FIG. 10, more specifically, in the width-thick portion 52 of the transparent cover 50, the outer diameter of the upper portion 52a is larger than the inner diameter of the case 41, and the outer diameter of the lower portion 52b of the width-thick portion 52 is large. It is formed to be slightly smaller than the inner diameter of the case 41. Therefore, the upper portion 52a of the width-thick portion 52 projects radially outward from the lower portion 52b, and a step S is formed between the upper portion 52a and the lower portion 52b on the outer circumference of the width-thick portion 52. There is. When the transparent cover 50 is attached to the upper part of the case 41, the lower portion 52b of the width thickness portion 52 is fitted inside the case 41, the step S abuts on the open end (upper end) of the case 41, and the width thickness portion 52. The upper portion 52a of the 52 is placed on the open end of the case 41. As a result, the transparent cover 50 is arranged on the dial 42 of the instrument body 40, and the scale 42a of the dial 42 can be visually recognized through the flat portion 51 of the transparent cover 50. The lower portion 52b of the transparent cover 50 and the open end of the case 41 may be screwed together.

FIG. 7 is an enlarged view of the portion surrounded by the alternate long and short dash line i in FIG. FIG. 8 is an enlarged view of the portion surrounded by the alternate long and short dash line ii in FIG. In FIG. 8, the region of the peripheral groove 54 is hatched for easy understanding. As shown in FIGS. 7, 8 and 10, when the elastic portion 12 of the setting guideline 10 is inserted into the peripheral groove 54 of the transparent cover 50 from above, the ridge 53 of the transparent cover 50 is inserted into the peripheral groove 54 of the transparent cover 50 from below. The setting pointer 10 is detachably attached to the transparent cover 50 by being inserted into the concave groove portion 13.

At this time, the protruding direction of the elastic portion 12 in the setting pointer 10 and the protruding direction of the pointer portion 11 are orthogonal or intersecting with each other. Therefore, the pointer portion 11 of the setting guideline 10 projects inward in the radial direction of the transparent cover 50 and projects onto the plate surface of the flat portion 51 of the transparent cover 50. A dial 42 is arranged below the flat portion 51. That is, the pointer portion 11 of the setting pointer 10, the flat portion 51 of the transparent cover 50, and the scale 42a of the dial 42 are arranged in the vertical direction. Therefore, the pointer portion 11 of the setting pointer 10 indicates the scale 42a of the dial 42 via the flat portion 51 of the transparent cover 50.

In this state, the fourth plate-shaped portion 4 of the elastic portion 12 extends in the vertical direction along the inner wall 54A on the radial inner side of the peripheral groove 54, and the fifth plate-shaped portion 5 of the elastic portion 12 is The inner wall 54B on the outer side in the radial direction of the peripheral groove 54 elastically deforms inward in the radial direction against the urging force of the spring. As a result, the elastic portion 12 is held in the peripheral groove 54 in the radial direction of the transparent cover 50.

As shown in FIGS. 7 and 8, when the state in which the elastic portion 12 is inserted into the peripheral groove 54 is viewed from above, the peripheral groove 54 is curved in an annular shape, and the elastic portion 12 has a rectangular shape (quadrangle). It has become. Therefore, the intermediate portion X in the width direction of the fourth plate-shaped portion 4 comes into contact with the inner wall 54A of the peripheral groove 54, and the upper end portions Y and Z of the fifth plate-shaped portion 5 are the inner wall 54B of the peripheral groove 54. Contact with. That is, the elastic portion 12 is supported at three points in the peripheral groove 54.

Similarly, when the state in which the ridge 53 is inserted into the recess of the concave groove portion 13 is viewed from above, the ridge 53 is curved in an annular shape, and the concave groove portion 13 has a rectangular shape (quadrangle). Therefore, both ends V and W in the width direction of the second plate-shaped portion 2 come into contact with the wall surface 53A on the inner side in the radial direction of the ridge 53, and the intermediate portion X in the width direction of the fourth plate-shaped portion 4 is peripheral. It comes into contact with the inner wall 54A of the groove 54. That is, the concave groove portion 13 is supported at three points with respect to the ridge 53 so as to sandwich the ridge 53.

Here, the intermediate portion X, which is one of the support points between the elastic portion 12 and the peripheral groove 54, and the intermediate portion X, which is one of the support points between the concave groove portion 13 and the ridge 53, are the same location. .. Therefore, the setting guideline 10 is supported at five points with respect to the transparent cover 50 as a whole. These five points are both end portions V and W of the second plate-shaped portion 2, the intermediate portion X of the fourth plate-shaped portion 4, and both end portions V and W of the fifth plate-shaped portion 5. As a result, the setting guideline 10 is held in the radial direction and the circumferential direction with respect to the transparent cover 50, and is configured to be slidable in the circumferential direction along the circumferential groove 54 and to be stopped at a desired position.

Returning to FIG. 10, the fifth plate-shaped portion 5 of the elastic portion 12 is formed so that the height of the elastic portion 12 in the protruding direction is smaller than the depth of the peripheral groove 54 of the transparent cover 50. In other words, the vertical length h of the fifth plate-shaped portion 5 in the elastic portion 12 is set to be smaller than the depth H of the peripheral groove 54 (h <H). Therefore, when the elastic portion 12 is inserted into the peripheral groove 54, the upper end of the fifth plate-shaped portion 5 is arranged on the wall surface of the inner wall 54B of the peripheral groove 54, and the wall surface of the inner wall 54B is pressed by the urging force of the spring. .. In this state, when the elastic portion 12 is moved upward, the upper end of the fifth plate-shaped portion 5 is caught on the inner wall 54B, and the elastic portion 12 is hard to come off from the peripheral groove 54.

FIG. 11A is an enlarged partial cross-sectional view showing the connection state of the setting guideline and the transparent cover of the present embodiment. FIG. 11B is a partially enlarged cross-sectional view showing a connection state between the setting guideline of the comparative example and the transparent cover. As shown in FIGS. 11A and 11B, the radial inner wall surface 53A of the ridge 53 in the transparent cover 50 is inclined so as to increase the diameter from the lower side to the upper side. The setting guideline 10'of the comparative example has a pointer portion 11'and a bulleting portion 12' that are connected at a right angle, and unlike the setting guideline 10, the concave groove portion 13 is not provided. The pointer portion 11'and the elastic portion 12'of the setting guideline 10'in the comparative example are the same as the pointer portion 11 and the elastic portion 12 of the setting guideline 10, respectively, and the description thereof will be omitted. In this connected state, in the radial direction of the transparent cover 50, the length from the tip of the setting guideline 10, 10'to the contact with the radial inner wall surface 53A of the ridge 53 is determined by the setting guideline 10 of the present embodiment. The length L1 from the tip of the pointer portion 11 to both ends V and W of the second plate-shaped portion 2, and in the setting guideline 10'of the comparative example, from the tip of the setting guideline 10'to the upper end R of the ridge 53. Length L2. Therefore, the length L1 of the setting guideline 10 is shorter than the length L2 of the setting guideline 10'in the comparative example by the length dL from both ends V and W to the upper end R in the radial direction of the transparent cover 50 (L1). <L2). Therefore, when a force F is applied to the tips of the setting pointers 10 and 10'of the present embodiment and the comparative example, the moment N1 of the setting guideline 10 of the present embodiment is smaller than the moment N2 of the setting guideline 10'of the comparative example. (N1 <N2, N1 = L1 · F, N2 = L2 · F). Therefore, the setting guideline 10 of the present embodiment is more difficult to deviate from the setting guideline 10'of the comparative example.

Returning to FIGS. 7 and 10, in a state where the ridge 53 of the transparent cover 50 is inserted into the recess of the recess 13 of the setting guideline 10 from below, the recess 13 is above the annular ridge 53. The ridge 53 is formed concentrically with the peripheral groove 54. Therefore, when the concave groove portion 13 is moved in the circumferential direction along the ridge 53, the setting pointer 10 moves in the circumferential direction along the peripheral groove 54. As a result, the setting pointer 10 can be easily moved in the circumferential direction along the circumferential groove 54.

Further, returning to FIGS. 4 and 5, two setting pointers 10 and 10 are attached to the peripheral groove 54 of the transparent cover 50. These setting pointers 10 and 10 are arranged around the axis O of the instrument 100 at predetermined intervals, and indicate the minimum value and the maximum value of the scale 42a, respectively.

In the instrument 100 configured as described above, the elastic portion 12 of the setting pointer 10 is inserted into the peripheral groove 54 of the transparent cover 50 from above, and the ridge 53 of the transparent cover 50 is inside the concave groove portion 13 of the setting pointer 10. The setting guideline 10 is attached to the transparent cover 50 and used by being inserted from the lower side.

In the first embodiment, the setting pointer 10 is connected so that the pointer portion 11, the concave groove portion 13 whose lower side is open, and the spring plate-shaped elastic portion 12 are connected to each other, and the transparent cover 50 is radially inside. An annular ridge 53 and a peripheral groove 54 are concentrically arranged adjacent to each other on the outer side and the outer side. The convex portion 53 of the transparent cover 50 is inserted into the concave groove portion 13 of the setting guideline 12 while being inserted into the groove 54, so that the elastic portion 12 of the setting guideline 10 is held in the peripheral groove 54 by the spring force. Since the concave groove portion 13 of the setting guideline 10 is positioned in the radial direction of the transparent cover 50 by the ridge 53, the setting is made as compared with the case where the concave groove portion 13 of the setting guideline 10 and the convex groove 53 of the transparent cover 50 do not exist. The pointer 10 can be held firmly on the transparent cover 50 in the radial direction.

Further, the concave groove portion 13 and the elastic portion 14 of the setting guideline 10 have a rectangular shape, the ridges 53 and the peripheral groove 54 of the transparent cover 50 have an annular shape, and the setting guideline 10 is attached to the transparent cover 50. Since the setting guideline 10 is supported at five points with respect to the transparent cover 50, the setting guideline 10 is held in the circumferential direction with respect to the transparent cover 50, and the setting guideline 10 is slid in the circumferential direction along the circumferential groove 54. It can be stopped at a desired position as well as possible.

In the first embodiment, the setting guideline 10 is provided with a concave groove portion 13 between the pointer portion 11 and the elastic portion 12, and the annular ridge 53 of the transparent cover 50 is inserted into the concave groove portion 13. Since the concave groove portion 13 covers the convex groove 53, the setting pointer 10 can be easily moved in the circumferential direction along the circumferential groove 54 by moving the concave groove portion 13 in the circumferential direction along the convex groove 53. In addition, the vertical swing of the pointer portion 11 is transmitted to the elastic portion 12 via the concave groove portion 13 and is not directly transmitted to the elastic portion 12, so that the setting pointer 10 is hard to come off from the transparent cover 50. be able to.

[Second Embodiment]
(Setting guideline)
Next, the setting guideline of the second embodiment will be described in detail. FIG. 14 is a perspective view showing a state in which the setting guideline of the second embodiment is viewed from the front. FIG. 15 is a perspective view showing a state in which the setting guideline of the second embodiment is viewed from the rear. The same parts as the setting guideline 10 of the first embodiment are the same as the setting guideline 10, and the description thereof will be omitted. As shown in FIGS. 14 and 15, the elastic portion 12 of the setting guideline 10 in the first embodiment is a V-shaped spring plate in a side view in which the upper side indicated by the arrow U is open and the lower side indicated by the arrow D is closed. However, the elastic portion 22 of the setting guideline 20 in the second embodiment has a plate shape extending in the vertical direction indicated by arrows U and D. The pointer unit 21 of the second embodiment is the same as the pointer unit 11 of the first embodiment, and in order to improve visibility and distinctiveness, a desired color such as green or red is indicated by an arrow U on the upper upper surface or the upper surface. It may be colored as a whole, or a desired color such as green or red may be colored as a whole of the setting guideline 20.

Similar to the setting guideline 10 of the first embodiment, the setting guideline 20 of the second embodiment is provided with a concave groove portion 23 between the pointer portion 21 and the elastic portion 22. The concave groove portion 23 is a concave portion in which the lower side indicated by the arrow D is open, and is recessed in the upper side indicated by the arrow U. The inner wall on the base end side indicated by the arrow B of the concave groove portion 23 also serves as the wall surface on the tip end side indicated by the arrow F of the elastic portion 22. That is, the concave groove portion 23 and the elastic portion 22 are arranged adjacent to each other in the front-rear direction indicated by the arrow F and the arrow B, and the elastic portion 22 is a part of the concave groove portion 23, that is, the portion on the base end side indicated by the arrow B. Consists of. The setting guideline 20 is an integrally molded product of synthetic resin.
(Instrument)

FIG. 16 is a perspective view of the instrument of the second embodiment according to the present invention. FIG. 17 is a plan view of the instrument. FIG. 18 is an enlarged view of a portion surrounded by the alternate long and short dash line iv in FIG. FIG. 19 is an enlarged view of the portion surrounded by the alternate long and short dash line v in FIG. In FIG. 19, the region of the peripheral groove 54 is hatched for easy understanding. The same parts as the instrument 100 of the first embodiment are the same as the instrument 100, and the description thereof will be omitted. As shown in FIGS. 16 to 19, the instrument 100 of the first embodiment includes the setting guideline 10, while the instrument 400 of the second embodiment includes the setting pointer 20. The setting guideline 20 is the same as the setting guideline 20 described above, and the description thereof will be omitted. The instrument body 40 and the transparent cover 50 of the instrument 400 in the second embodiment are the same as the instrument body 40 and the transparent cover 50 of the instrument 100 in the first embodiment, respectively.

The elastic portion 12 and the concave groove portion 13 of the setting guideline 10 in the first embodiment are rectangular when viewed from the vertical direction indicated by the arrows U and D, but the elastic portion of the setting guideline 20 in the second embodiment. The concave groove portion 23 and the concave groove portion 23 are curved in an arc shape when viewed from the vertical direction. In other words, returning to FIGS. 14 and 15, the elastic portion 22 and the concave groove portion 23 of the setting pointer 20 are curved in an arc shape in the width direction indicated by the arrows L and R. As shown in FIG. 18, the elastic portion 22 of the setting guideline 20 is configured to be inserted into the peripheral groove 54 of the transparent cover 50, and the ridge 53 of the transparent cover 50 is inserted into the concave groove portion 23 of the setting guideline 20. The concave groove portion 23 of the setting guideline 20 is configured to be capable of sandwiching the ridge 53 of the transparent cover 50.

As shown in FIGS. 18 and 19, the curvatures of the elastic portion 22 and the concave groove portion 23 of the setting guideline 20 and the curvatures of the peripheral groove 54 and the ridge 53 in the transparent cover 50 are different from each other. More specifically, the curvature of the concave groove portion 23 of the setting guideline 20 is set to be larger than the curvature of the ridge 53 of the transparent cover 50. In other words, the radius of curvature of the concave groove portion 23 of the setting guideline 20 is set smaller than the radius of curvature of the ridge 53 of the transparent cover 50. In a state where the convex groove 53 of the transparent cover 50 is inserted into the concave groove portion 23 of the setting guideline 20, both ends Y1 and Z1 of the inner wall 23B on the side of the elastic portion 22 of the concave groove portion 23 are the radial outer wall surfaces of the convex groove 53. In addition to abutting on 53B (the radial inner wall surface of the peripheral groove 54), the intermediate portion X1 of the inner wall 23A on the side of the indicator portion 21 of the concave groove portion 23 abuts on the radial inner wall surface 53A of the ridge 53. Therefore, the setting guideline 20 is supported at three points with respect to the ridge 53 so that the concave groove portion 23 sandwiches the ridge 53. As a result, the setting guideline 20 is held with respect to the transparent cover 50 in the radial direction of the transparent cover 50, and is configured to be slidable in the circumferential direction along the protrusions 53 and to be stopped at a desired position.

In the instrument 400 configured as described above, when the protrusion 53 of the transparent cover 50 is inserted into the concave groove portion 23 of the setting guideline 20 from below, the elastic portion 22 of the setting guideline 20 becomes the peripheral groove of the transparent cover 50. It is inserted into the 54 from above, and the setting guideline 20 is attached to the transparent cover 50 for use.

In the second embodiment, the concave groove portion 23 of the setting guideline 20 is configured so that the convex groove 53 of the transparent cover 50 can be sandwiched, and the convex groove 53 of the transparent cover 50 is inserted in the concave groove portion 23 of the setting guideline 20. When inserted, the elastic portion 22 of the setting guideline 20 is inserted into the peripheral groove 54 of the transparent cover 50, so that the setting guideline 20 is held in the radial direction of the transparent cover 50 with respect to the transparent cover 50 and is convex. It can be slid in the circumferential direction along the strip 53 or the circumferential groove 54, and can be stopped at a desired position.

The instrument 100 of the first embodiment and the instrument 400 of the second embodiment are not limited to the above-described illustrations, and various modifications can be made without departing from the gist of the present invention. Of course. For example, the elastic portion 22 of the setting guideline 20 in the instrument 400 of the second embodiment has a plate shape having a curved cross-sectional shape curved in an arc shape and extends in the vertical direction, but the setting guideline in the instrument 100 of the first embodiment. Similar to the elastic portion 12 of 10, the leaf spring may have a V-shaped side view with the upper side open and the lower side closed.

The instrument 100 of the first embodiment is provided with two setting pointers 10 and 10, but the quantity of the setting pointers 10 is not particularly limited, and as shown in FIG. 12, the set values of the scale 42a are shown. The instrument 200 may be provided with one setting guideline 10, or as shown in FIG. 13, three setting pointers 10, 10, 10 so as to indicate the minimum value and the maximum value of the scale 42a and the setting value between them, respectively. It may be the instrument 300 provided with. Of course, an instrument provided with four or more setting pointers 10 may be used.

Similarly, the instrument 400 of the second embodiment is provided with two setting pointers 20 and 20, but the quantity of the setting pointers 20 is not particularly limited, and as shown in FIG. 20, the scale 42a is set. The instrument 500 may be provided with one setting guideline 20 so as to indicate a value, or as shown in FIG. 21, three setting pointers 20 are shown so as to indicate the minimum value and the maximum value of the scale 42a and the setting value between them. The instrument 600 provided with, 20, 20 may be used. Of course, an instrument provided with four or more setting pointers 20 may be used.

100,200,300,400,500,600 ... Instrument, 10,10', 20 ... Setting pointer, 11,11', 21 ... Pointer part, 12,12', 22 ... Repulsion part, 13,23 ... Concave Groove, 1 ... 1st plate-shaped portion, 1a ... Tip, 1b ... Base end, 2 ... Second plate-shaped portion, 3 ... Third plate-shaped portion, 4 ... Fourth plate-shaped portion, 4d ... Lower end 5, 5 ... 5th plate-shaped part, 23A, 23B ... Inner wall, 40 ... Instrument body, 41 ... Case, 42 ... Dial, 42a ... Scale, 43 ... Pointer, 44 ... Measuring mechanism, 50 ... Transparent cover, 51 ... Flat part, 52 ... Wide part, 52a ... Upper part, 52b ... Lower part, 53 ... Convex, 53A, 53B ... Wall surface, 54 ... Circumferential groove, 54A, 54B ... Inner wall, 55 ... Outer part, 55a ... Vertical Groove, B, D, F, L, R, U ... Arrow, C ... Center point, F ... Force, h, L1, L2, dL ... Length, H ... Depth, N1, N2 ... Moment, O, P ... Axis, R ... upper end, S ... step, X, X1 ... middle part, V, W, Y, Y1, Z, Z1 ... both ends.

Claims (8)

An indicator that protrudes in one direction,
It has a repulsive portion that protrudes in a direction intersecting the protruding direction of the indicating portion, and has.
The setting guideline is characterized in that the elastic portion is a leaf spring that opens in a V shape and is configured to be elastically deformable in the closing direction. The setting guideline according to claim 1, wherein at least the elastic portion is formed by bending a metal member. The setting guideline according to claim 1, wherein the setting guideline is an integrally molded product of a synthetic resin. The setting guideline according to any one of claims 1 to 3 and the setting guideline.
With a translucent transparent cover, including an annular circumferential groove,
The setting guideline is configured to be attached to the transparent cover by inserting the elastic portion of the setting guideline into the peripheral groove of the transparent cover.
The elastic portion of the setting guideline is composed of two plate-shaped portions connected in a V shape, and the outer plate-shaped portion of the two plate-shaped portions is the length of the elastic portion in the protruding direction. An instrument characterized in that the length is formed so as to be smaller than the depth of the peripheral groove in the transparent cover. It has an instruction portion that protrudes in one direction, an elastic portion that protrudes in a direction intersecting the projecting direction of the instruction portion, and a concave groove portion provided between the indication portion and the elastic portion. Setting guidelines and
It has a translucent transparent cover including annular ridges and circumferential grooves arranged concentrically adjacent to the inside and outside in the radial direction.
When the elastic portion of the setting guideline is inserted into the peripheral groove of the transparent cover, the ridge of the transparent cover is inserted into the concave groove portion of the setting guideline, and the concave groove portion of the setting guideline is transparent. An instrument characterized in that the convex strip of the cover can be sandwiched. The instrument according to claim 5, wherein the elastic portion of the setting pointer is a leaf spring that opens in a V shape and is configured to be elastically deformable in the closing direction. The instrument according to claim 5 or 6, wherein the setting guideline is formed by bending a metal member. The instrument according to claim 5 or 6, wherein the setting guideline is an integrally molded product of synthetic resin.

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