JPH0747703Y2 - Connection part in hanging plate type scale - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] This invention is used in a state where a scale main body is hung from a ceiling or a beam through a suspension portion, and a dish on which an item to be weighed is placed. The present invention relates to a hanging portion, a balance main body, and a connecting portion between the balance main body and the tray portion in a hanging tray type balance having a structure in which a balance is suspended.

[Conventional technology]

As a hanging plate type scale, for example, one shown in FIG. 8 is well known. This has the advantage that the liquid is unlikely to adversely affect the balance main body when weighing an article that emits liquid, and is often used in retail stores such as meat and pickles. In the figure, 1 is a beam, 2 is a suspension part, 3 is a scale main body, and 4 is a dish part. The hanging portion 2 is an iron pipe fixed to the beam 1, and a support shaft 5 protruding from the center of the upper portion of the balance main body 3 is inserted into the lower end portion of the iron pipe and fixed by a screw 2a. The dish portion 4 has a suspension arm 6, and a bolt insertion hole is provided at the center of the upper portion of the arm 6. The load application bolt 7 protruding downward from the lower center of the main body 3 is inserted into the insertion hole. A dish 8 is suspended by screwing a nut 8 onto the bolt 7. In such a suspended tray type balance, the balance main body 3 needs to be horizontal.

In addition to this, there is also one in which the connecting portion between the suspension portion 2 and the balance main body 3 and between the balance main body 3 and the tray portion 4 are formed by an annular member and an annular hook that are engaged with each other.

[Problems to be solved by the device]

The conventional structure shown in FIG. 8 has a structure in which it is fixed by tightening the screw 2a and the nut 8 of the connecting portion, and such a structure tends to be relatively easily removable. But not necessarily. It is necessary to change the orientation of the scale main body 3 and the orientation of the tray portion 4 when the layout of the store is changed or when the worker changes from a right-handed person to a left-handed person, but this is done so often. However, since the screw 2a and the nut 8 are often tightened sufficiently strongly, it is difficult to loosen them easily.
Therefore, there is a problem that it is difficult to easily change the orientations of the balance main body 3 and the plate portion.

Further, in the case where the connecting portion is formed by the non-screw type ring member and the annular hook as described above, it is easy to change the direction by 180 degrees, but there is a problem that the direction cannot be changed by 90 degrees. . Moreover, since this structure is not fixed, it shakes, so it takes a long time to stabilize the balance during weighing, and there is also a problem that you have to work carefully so that it does not shake as much as possible when placing items on the pan. is there.

An object of the present invention is to provide a connecting portion in a hanging plate type balance which does not shake and is easy to change the direction of the main body and the plate portion and which can be changed at least every 90 degrees.

[Means for Solving the Problems]

A first invention is a hanging plate type balance comprising a balance main body, a suspending part for suspending the balance main body in a state of being used, and a dish part hanging from the balance main body, between the main body and the suspending part, and A connecting portion including a first metal fitting and a second metal fitting, which are engaged with each other and are removable from each other, is provided between the main body and the dish, and the first metal fitting is connected from one connected portion to the other connected portion. A projecting portion projecting in the opposite direction, two through holes penetrating the projecting portion in the horizontal direction so as to be orthogonal to each other in the central portion of the projecting portion, and the inner width of the through hole at each end of each through hole. The second metal fitting is composed of a groove having an equal width and extending so as to extend parallel to each other toward the protruding end of the protrusion.
An extended portion extending from one of the connected portions apart from the protruding end side of the convex portion through one of the grooves, and an extended portion that extends horizontally after the extended portion through one of the through holes. The horizontal portion reaching the end on the side, and the horizontal portion, which is bent so as to be parallel to the extension portion, is formed at a height that allows the horizontal portion to project into the premises following the through hole through which the horizontal portion passes and to be inserted into the through hole. It is characterized in that it comprises a return section.

A second invention is a hanging plate type balance comprising a balance main body, a suspending part for suspending the balance main body in a state of being used, and a dish part hanging from the balance main body, between the main body and the suspending part, and A connecting portion composed of a first member and a second member, which are engaged with each other and are removable, is provided between the main body and the dish portion, and the first member is connected from one connected portion to the other connected portion. A short shaft portion projecting toward the shaft member, a detent portion having a regular polygonal cross section larger than the shaft portion cross-section provided coaxially subsequent to the shaft portion, and a coaxial portion provided following the detent portion. A flange-shaped retaining portion that is enlarged in a direction perpendicular to the axis of the rotation-preventing portion, and the second member has a supporting portion that projects from the other connected portion to both sides of the flange-shaped portion, and supporting portions on both sides thereof. It is provided integrally over the A support plate having a support surface engaged with the flange part and having a hole of a regular polygonal cross section fitted therein, and the outside of the shaft part provided so as to reach the hole from the edge part of the support plate. From a groove having a width corresponding to the diameter and a passage portion which is formed on one side of the supporting portion and is continuous with the groove and through which the shaft portion of the first member passes through the groove portion in a positional relationship. It is characterized by

[Operation] In the first invention, in the engaged state, the first fitting and the second fitting support a part of the inner surface of the through hole and a part of the horizontal portion to support the weight against the tensile force. , The extension portion located in the premises of one end of one through hole and the return portion located in the groove at the other end of the same through hole perform relative rotation around the axis in the vertical direction on the side surface of the groove in which they are located. The extension portion and the return portion are restrained from relative swinging about the axis parallel to the through hole in which the horizontal portion is located on the side surfaces of the groove in which the extension portion and the return portion are located, respectively, and Relative swings about the axis perpendicular to the axis are constrained by the seat portions of the grooves in which the return portions are respectively located. Therefore, the suspended state of such a hanging plate type balance is determined by the engaging state of the first metal fitting and the second metal fitting in each of the two connecting portions, depending on the rotational position of the balance main body about the vertical axis and the vertical axis of the tray. The rotational position around it is determined. And the connected state of the connected part in the connecting part differs by 90 degrees. 4
You can select individual rotation positions. The operation of changing the rotational position may be performed by displacing the first and second metal fittings in a direction in which the connected portion further approaches and pulling out the return portion and the horizontal portion from the through hole and inserting another position.

In the second invention, the first member and the second member, in their engaged state, support the supporting surface of the support plate and the retaining portion at the surfaces to support gravity acting as a tensile force, and have a regular polygonal cross section. The hole and the detent portion are fitted to each other to restrain the rotation about the vertical axis, and the engaging relationship between them causes the abutting portions of the horizontal surface and the vertical surface to restrain the swinging of the connecting portion. There is almost no swing. As for the connection state of the connected parts in the connecting part, the number of rotational positions equal to the number of angles of the regular polygon can be selected in relation to the hole and the rotation preventing part. The operation of changing the rotational position is performed by displacing the first and second members in a direction in which the connected portion is further approached to disengage the hole and the retaining portion, and then returning to the desired rotational position. The hole and the retaining portion may be engaged by displacing in the opposite direction.

〔Example〕

A first embodiment corresponding to the first invention will be described with reference to FIGS. 1 to 4. In the figure, 11 is a scale main body, 12 is a hanging portion, 13 is a dish portion, 14 and 14 are first metal fittings, and 15 and 15 are second metal fittings.

As shown in FIGS. 1 and 2, the scale main body 11 has similar display parts 17 and 17a on both front and back surfaces, and one first metal fitting 14 is provided at the center of the upper surface so as to project upward. Another first metal fitting 14 is provided at the center of the lower surface so as to project downward. The upper first metal fitting 14 is adapted to suspend the balance main body 11, and the lower first metal fitting 14 is provided on a dish support portion for applying a weighing load.

The hanging part 12 is rod-shaped and has an upper end fixed to a ceiling or a beam as in the conventional case, and one second metal fitting 15 is provided at the lower end.

The dish portion 13 has a single curved arm 18, and the curved arm 18 has a lower portion which horizontally supports the dish 13a and an upper portion which is formed as another second metal fitting 15.

The two first metal fittings 14 have the same shape, and the upper first metal fitting 14 will be described with reference to FIGS. 3 and 4. The first metal fitting 14 is a projection 19 having a hemispherical upper end protruding upward from the upper surface of the balance main body 11 which is one connected portion.
And a through hole 20 and a groove 21. Two through holes 20 are provided so as to horizontally cross the central portion of the convex portion 19 and be orthogonal to each other. In this embodiment, the cross-sectional shape of the through hole 20 is a vertically elongated rectangle (vertical dimension H × width dimension W). The groove 21 has a width W equal to the width of the through hole 20 from both ends of each through hole 20.
And extends upward and is open to the end of the convex portion 19.

The two second fittings 15 have the same shape, and the upper first fitting 14
The second metal fitting 15 that engages with will be described with reference to FIGS. 3 and 4. The second metal fitting 15 is fixedly provided on the lower side of the suspending section 12 which is a connected section to the upper side of the balance main body 11, and extends downward, the extending section 22, the horizontal section 23, and the returning section 24. Consists of. In the engaged state shown in the drawing, the extension portion 22 passes through one groove 21 of the first metal fitting 14 to reach one end of the through hole 20, and the horizontal portion 23 passes through the through hole 20 to reach the other end and to the other end. A return portion 24 is formed so as to extend a little upward through the continuous groove 21. The second metal fitting 14 has a substantially L-shaped frontal shape as shown in FIG. 3 (a), and has a through hole in the front-rear direction as shown in FIG. 4 (a).
It is formed to have a constant thickness dimension w1 smaller than the width W of 20. Further, the height dimension h1 of the return portion 24 is formed to be slightly smaller than the height dimension H of the through hole 20. Therefore, from the engagement state of the first metal fitting 14 and the second metal fitting 15 of FIG. 3 (a) or FIG. 4 (a), the suspending portion 12 and the balance main body 11 are displaced so as to approach each other. Then, the return part 24 can pass through the through hole 20 in the horizontal direction. Then, when the horizontal portion 23 and the return portion 24 of the second metal fitting 15 are pulled out from the through hole 20, the engagement between the first metal fitting 14 and the second metal fitting 15 is released.

As described above, the connecting portion including the first metal fitting 14 and the second metal fitting 15 is connected to the balance main body 11 and the hanging portion 12, and the balance main body 11 and the tray portion 13 are connected.
And the hanging dish type balance provided between them can be attached and detached between the first metal fitting 14 and the second metal fitting 15, and the engagement state thereof can be determined by inserting the return portion 24 and the horizontal portion 23 into the through hole 20. It is possible to change to four different engagement states to be changed, and therefore, it is possible to change the orientation of the main body 11 with respect to the hanging portion 12 in four ways and the orientation of the tray portion 13 with respect to the main body 11 in four ways. You can

A second embodiment corresponding to the second invention will be described with reference to FIGS. 5 to 7. In the figure, the difference from the first embodiment is the configuration of the first member 44 and the second member 45 that form the two connecting portions, and the other components are the same, and therefore the same reference numerals are used and the description thereof is omitted.

The two first members 44 have the same shape, and the upper first member 44 will be described. The first member 44 is provided so as to project upward from the upper surface of the balance main body 11 which is one connected portion, and has a short shaft portion 46 from the scale main body 11 side.
Subsequent to this, a detent portion 47 having a regular polygonal cross section which is coaxially provided and whose cross section is larger than the shaft portion 46, and in this embodiment is a square-shaped detent portion 47, and subsequently a flange shape which is larger than the detent portion 45. The retaining portions 48 are sequentially formed.

The two second members 45 have the same shape, and the upper first member 44
The second member 45 that engages with will be described. This second member
45 is fixedly provided on the lower side of the hanging portion 12 that is a connected portion to the upper side of the balance main body 11, and has a supporting portion 49 protruding downward from both front and rear sides of the lower side of the hanging portion 12, and both of them. From a support plate 51 that is integrally provided over the support part 49 and has a square hole 50 formed in the center part that fits into the rotation stopping part 47 of the first member 44, and from the edge of the support plate 51. A groove 52 having a width corresponding to the outer diameter of the shaft portion 46 of the first member 44 provided so as to reach the hole 50.
And a passage portion 53 continuous with the groove 52 and formed in one of the supporting portions 48, the passage portion 53 being shown in FIG. 7 (a).
As can be seen in FIG. 1, the shaft portion 46 of the first member 44 and the rotation stopping portion 4
7. A notch-shaped portion having a shape corresponding to the front shape of the retaining portion 48 and having a size such that the first member 44 can pass through in the horizontal direction at a height position where the shaft portion 46 passes through the groove 52.

The first member 44 and the second member 45 can be detached from each other as shown in FIG. 5 and in the disengaged state from each other and the engaged state as shown in the upper side in FIG. 7 (b). The engagement state can be changed to four fitting rotation positions of the detent portion 47 and the square hole 50. In order to change the disengaged state to the engaged state, the shaft member 46 is moved horizontally rearward in the height position where the first member 44 passes through the passing portion 53, that is, in the state of FIG. 7 (a). After being positioned at the center of the hole 50, when the first member 44 side is lowered to fit the detent portion 47 into the hole 50, the engagement state as shown in FIG. 7B is obtained.

In this way, the connecting portion composed of the first member 44 and the second member 45 is connected to the balance main body 11 and the hanging portion 12, and the balance main body 11 and the tray portion 13 are connected.
The hanging dish type balance provided between the respective members can be attached and detached between the first member 44 and the second member 45, and the engagement state thereof can be changed to a hole.
It is possible to change the fitting state of the rotation preventing portion 47 with respect to the 50 to four different engaging states, so that it is possible to change the orientation of the main body 11 with respect to the hanging portion 12 in four ways, and at the same time, with the tray portion with respect to the main body 11. 13 directions can be changed in 4 ways. Also,
The engagement state of the first member 44 and the second member 45 is determined by the retaining portion 48.
Since the surface is in contact with the surface of the support plate 51 to support the weight, and the side 50 is restrained by the fitting of the hole 50 and the rotation preventing portion, the swing hardly occurs.

In the first embodiment, the shape of the convex portion 19 of the first metal fitting 14 is flat as shown in FIGS. 3 and 4 and the upper portion is hemispherical, but it is not always necessary to have such a shape. The shape may be cylindrical or prismatic, and the upper portion may be rectangular. further,
The cross-sectional shapes of the through hole 20, the horizontal portion 23, and the return portion 24 do not have to be rectangular, and may be circular or the like.

Further, in the second embodiment, the detent portion 47 of the first member 44 and the hole 50 of the second member have a square cross section, but they have a regular octagonal cross section, and eight different engagement states can be obtained. You may do it.

[Effect of device]

According to the first invention, the engagement between the first metal fitting and the second metal fitting is
By changing the return part and the horizontal part with respect to the through hole, it is possible to change it in four ways around the vertical axis at 90 degree intervals, so it is possible to change the layout of the store and the right-handed and left-handed workers. It's extremely easy when people change
Depending on the situation, it is possible to easily change the orientations of the balance main body and the dish portion without performing an operation to loosen the screw, and it is possible to obtain an effect that almost no rocking occurs.

According to the second invention, the engagement between the first member and the second member is
By changing the fitting of the regular polygonal detent part to the corresponding regular polygonal hole, there are 4 or 8 patterns around the vertical axis, that is, at 90 degree intervals or 45 degree intervals. Since it can be changed, the orientation of the balance main body and the tray can be changed and the swing can be performed without loosening the screws according to the change of the store layout or the replacement of workers with different dominant arms as in the first invention. The effect that hardly occurs is obtained. In that case, the second device is superior in that it can be configured so that the direction is changed little by little.

[Brief description of drawings]

FIG. 1 is a front view of a main part of the first embodiment of the present invention, FIG. 2 is a right side view of the main part of the same embodiment, and FIG. 3 is a first fitting and a second part.
(A) is a front view showing the engagement state of the metal fittings, (b) is (a)
S ₁ -S ₁ sectional view of FIG. 4, FIG. 4 shows different engagement states of the same first metal fitting and second metal fitting, (a) is a side view, (b) is (a) S ₂ -S ₂ Sectional view, FIG. 5 is a front view of the second embodiment in a state where the first member and the second member are disengaged from each other, and FIG. 6 is a bottom perspective view of the second member at the lower end of the hanging portion of the same embodiment, FIG. 7 is a view for explaining an engaging / disengaging process of the first member and the second member of the same embodiment, (a) is a front view immediately before engagement, (b) is a vertical sectional front view showing an engagement state, FIG. 8 is a front view showing a suspended state of a conventional hanging dish type balance. 11 …… Scale unit, 12 …… Hanging part, 13 …… Plate part, 14 ……
1st metal fitting, 15 …… 2nd metal fitting, 18 …… Curved arm, 19 ……
Convex part, 20 …… through hole, 21 …… groove, 22 …… extended part, 23 ……
Horizontal part, 24 ...... Return part, 44 ...... First member, 45 ...... Second member, 46 ...... Shaft part, 47 ...... Rotation stop part, 48 ...... Retaining part, 49 ...... Support part, 50 …… Hole (regular polygonal hole), 51 ……
Support plate, 52 ... Groove, 53 ... Passage part.

Claims (2)

[Scope of utility model registration request] 1. A hanging tray type balance comprising a balance main body, a suspending section for suspending the balance main body in a state of being used, and a tray section hanging from the balance main body, between the main body and the suspending section and the main body. And a connecting part made of a first metal fitting and a second metal fitting, which are engaged with each other and are removable from each other, are provided respectively, and the first metal fitting is directed from one connected portion to the other connected portion. Protrusions and two through holes penetrating in the horizontal direction through the protrusions so as to be orthogonal to each other in the center of the inside of the protrusion, and the inner width of the through hole at each end of each through hole A groove formed so as to extend parallel to each other toward the protruding end of the protrusion, and the second metal fitting is connected to the other end of the groove from the other connected portion separated from the protruding end of the protrusion. And an extension that has been extended through one of the A horizontal portion that has passed through one of them and reached the end on the opposite side, and following this horizontal portion, bent so as to be parallel to the extension portion and protruding into the groove that follows the through hole through which the horizontal portion has passed, A connecting part in a hanging dish type balance, comprising: a return part formed at a height capable of being inserted into a through hole. 2. A hanging plate type balance comprising a balance main body, a suspending part for suspending the balance main body in a state of being used, and a tray part hanging from the balance main body, between the main body and the suspending part and the main body. And a coupling part composed of a first member and a second member, which are engaged with each other and are removable from each other, are respectively provided between the dish part and the dish part, and the first member extends from one coupled part to the other coupled part. A short shank that protrudes, a detent part that has a regular polygonal cross section that is larger than the cross section of the shank that is coaxially provided following this shank, and a swivel part that is coaxially provided after this detent part. A flange-shaped retaining portion that is enlarged in the direction perpendicular to the axis of the stopper portion, and a second member is provided on the support portion protruding from both sides of the flange-shaped portion from the other connected portion and the support portions on both sides thereof. It is integrally provided across and has the above-mentioned rotation stopper in the center A support plate having a support surface engaged with the flange and having a hole of a regular polygonal cross section fitted therein, and the outer diameter of the shaft portion provided so as to reach the hole from the edge of the support plate. A groove having a width corresponding to, and a passage portion which is formed on one side of the supporting portion and is continuous with the groove and through which the shaft portion of the first member passes through the first member in a positional relationship passing through the groove portion. A connecting part in a hanging plate type balance characterized by the above.