CN205826081U - A kind of physics weighing structure - Google Patents

Abstract

The utility model discloses a physical weighing structure, which comprises a weighing balance bar, a reference level, a pair of scale bars, a pair of weighing cup rings, a pair of weighing cup bodies, a supporting base, a balance bar clamping seat, and a clamping seat connecting block , a pair of balance rotating protrusions and a pair of embedded sliding grooves; the reference level, scale bar, and weighing cup collar are set on the weighing balance bar, and the weighing cup is inserted into the weighing cup collar, and the embedded sliding The groove is set on the weighing balance bar, the balance rotating protrusion is set on the balance bar clamp seat, and the balance rotating protrusion is embedded in the embedded sliding groove, so that the weighing balance bar can be turned over and rotated with a pair of balance rotating protrusions as the axis. It moves horizontally along a pair of embedded sliding grooves; the clamp seat of the balance bar is fixedly arranged on the connecting block of the clamp seat, and the connecting block of the clamp seat is fixedly arranged on the support base. The utility model can be used for weighing objects, is convenient for use in physical experiments, has high measurement accuracy and is convenient to operate.

Description

A Physical Weighing Structure

technical field

The utility model relates to a physical experiment product, in particular to a physical weighing structure.

Background technique

Physics is a general subject, and physics knowledge is involved in every aspect of life. In teaching experiments on knowledge points such as physics and mechanics, it is necessary to weigh various objects. The weighing tools used include spring scales, balances, etc. The spring scales in the prior art weigh through the expansion and contraction of springs. Measurements are imprecise, while balances are highly accurate but expensive.

Utility model content

The purpose of this utility model is to provide a physical weighing structure, which is simple in structure, convenient to use, low in cost and easy to popularize and use.

In order to achieve the above object, the technical solution of the utility model is:

A physical weighing structure, including a weighing balance bar, a reference level, a pair of scale bars, a pair of weighing cup collars, a pair of weighing cups, a supporting base, a balance bar clamp seat, a clamp seat connecting block, and a pair of balance rotating Protrusion and a pair of embedded sliding grooves; the reference level is embedded on the upper end surface of the weighing balance bar, and the reference level is strip-shaped along the length direction of the weighing balance bar set, and the center of the reference level coincides with the center of the weighing balance bar; the pair of scale bars are respectively printed on the upper end face of the weighing balance bar, located on the weighing at the edges of both sides of the balance bar; the pair of weighing cup collars are fixedly arranged at both ends of the weighing balance bar, and the pair of weighing cup collars are circular structures, and the The diameter of the upper opening of a pair of weighing cups is larger than the inner diameter of the pair of weighing cup collars, and the pair of weighing cups are respectively inserted into the pair of weighing cup collars; the balance bar clamp The seat is a "U"-shaped structure with an upper end opening, and the opening width of the balance bar clamp seat is larger than the width of the weighing balance bar, and reference lines are respectively set on both sides of the top of the balance bar clamp seat; The pair of embedded sliding grooves are arranged symmetrically on both side end faces of the weighing balance bar respectively, and the pair of embedded sliding grooves are elongated along the length direction of the weighing balance bar. Setting, the pair of balance rotation protrusions are respectively arranged on the balance bar holder, located inside the opening end of the balance rod holder, and the pair of balance rotation protrusions are respectively embedded in the In the pair of embedded sliding grooves, the weighing balance bar is turned over and moved horizontally along the pair of embedded sliding grooves on the axis of the pair of balance rotating protrusions; the balance The rod clamp seat is fixedly arranged on the clamp seat connection block, and the clamp seat connection block is fixedly arranged on the support base.

The above-mentioned physical weighing structure, wherein, the inner wall of the pair of weighing cup collars is provided with anti-skid stickers, and the pair of weighing cups are respectively passed through the anti-skid stickers and the pair of weighing cup collars. contact connection.

The above-mentioned physical weighing structure, wherein, the bottom of the support base is provided with a plurality of height-adjusting bolts, which are located at the edge of the support base.

In the above-mentioned physical weighing structure, wherein, the bottoms of the plurality of height-adjusting bolts are respectively provided with anti-slip pads, and the plurality of height-adjusting bolts are in contact with the desktop through the anti-slip pads.

In the above-mentioned physical weighing structure, one or more weight grooves are provided on the supporting base, which are located on both sides of the connecting block of the clamp seat.

The utility model can be used for weighing objects, is convenient for use in physical experiments, has high measurement accuracy and is convenient to operate.

Description of drawings

Fig. 1 is the front view of a kind of physical weighing structure of the present utility model.

Fig. 2 is a cross-sectional view of a balance bar clamp seat of a physical weighing structure of the present invention.

Fig. 3 is a bottom view of a supporting base of a physical weighing structure of the present invention.

detailed description

Further illustrate the embodiment of the present utility model below in conjunction with accompanying drawing.

Please refer to accompanying drawings 1 and 2, a physical weighing structure, including a weighing balance bar 1, a reference level 2, a pair of scale bars 3, a pair of weighing cup collars 4, a pair of weighing cups 5, Supporting base 6, balance bar clamp seat 7, clamp seat connection block 8, a pair of balance rotation protrusions 9 and a pair of embedded sliding grooves 10; the reference level 2 is embedded in the weighing balance bar 1 On the upper end face, the reference level 2 is strip-shaped and arranged along the length direction of the weighing balance bar 1, and the center of the reference level 2 coincides with the center of the weighing balance bar 1; The pair of scale bars 3 are printed on the upper end surface of the weighing balance bar 1 respectively, and are located at the two side edges of the weighing balance bar 1; the pair of weighing cup collars 4 are fixed Set at both ends of the weighing balance pole 1, the pair of weighing cup collars 4 is a ring structure, and the opening diameter of the upper end of the pair of weighing cups 5 is larger than that of the pair of symmetrical The inner diameter of the heavy cup collar 4, the pair of weighing cups 5 are correspondingly inserted into the pair of weighing cup collars 4; the balance bar clamp seat 7 is a "U"-shaped structure with an upper end opening, And the opening width of the balance bar clamp seat 7 is larger than the width of the weighing balance bar 1, and the two sides of the top of the balance bar clamp seat 7 are respectively provided with reference lines; The grooves 10 are arranged symmetrically on both side end surfaces of the weighing balance bar 1 respectively, and the pair of embedded sliding grooves 10 are arranged in a long strip along the length direction of the weighing balance bar 1 , and the A pair of balance rotating protrusions 9 are respectively arranged on the balance bar holder 7, located inside the opening end of the balance rod holder 7, and the pair of balance rotation protrusions 9 are respectively embedded in the In the pair of embedded sliding grooves 10, the weighing balance bar 1 is overturned on the axis of the pair of balance rotating protrusions 9 and moved horizontally along the pair of embedded sliding grooves 10; The balance bar clamp 7 is fixed on the clamp connecting block 8 , and the clamp connecting block 8 is fixed on the supporting base 6 .

The inner walls of the pair of weighing cup collars 4 are provided with anti-slip stickers 11, and the pair of weighing cups 5 are connected to the pair of weighing cup collars 4 through the anti-skid stickers 11 respectively, which can be Play the role of anti-slip, prevent a pair of weighing cups 5 from tipping over when the weighing balance bar 1 shakes and affect weighing.

Please refer to the accompanying drawing 3, the bottom of the support base 6 is provided with a plurality of height-adjusting bolts 12, which are located at the edge of the support base 6 and can be used to adjust the height of the four corners of the support base 6. The weighing balance pole 1 is adjusted to a horizontal position.

The bottoms of the plurality of height-adjusting bolts 12 are respectively provided with anti-slip mats 13, and the plurality of height-adjusting bolts 12 are connected to the desktop through the anti-slip mats 13, which can play an anti-skid role and maintain overall stability. , improve measurement accuracy.

The support base 6 is provided with one or more weight grooves 14, which are located on both sides of the clamp connecting block 8, and can be used to accommodate weighing weights.

During use, the center of a pair of scale bars 3 of the weighing balance bar 1 is aligned with the reference line on the balance bar holder 7, the reference level 2 shows that the weighing balance bar 1 is level, and the object is put into a weighing cup 5 , another weighing cup body 5 puts weights to restore the weighing balance bar 1 to the level, and then the weight of the object can be known; The rotating protrusion 9 and the pair of embedded sliding grooves 10 slide horizontally until the weighing balance bar 1 returns to the level, and the weight of the object can be calculated.

In the description of the present utility model, it should be understood that the terms "center", "upper end", "both sides", "length", "width", "edge", "upper", "both ends", "inner diameter ", "end", "inside", "top", "inside", "horizontal", "bottom" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description The present invention and simplified description do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention.

In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise clearly specified and limited, the terms "embedded", "set", "connected", "fixed", "inserted" and other terms should be understood in a broad sense, for example, it can be a fixed connection, It can also be detachable connection, or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components relationship, unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise specified and limited, a first feature "on" a second feature may be in direct contact with the first feature, or indirect contact with the first feature through an intermediary.

In summary, the utility model can be used for weighing objects, which is convenient for physical experiments, has high measurement accuracy, and is easy to operate.

The above is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structural transformation made by the contents of the specification of the utility model, or direct or indirect use of the technical fields attached to other related products , are all included in the scope of patent protection of the utility model in the same way.

Claims (5)

1. A physical weighing structure, characterized in that it includes a weighing balance bar, a reference level, a pair of scale bars, a pair of weighing cup collars, a pair of weighing cups, a support base, a balance bar clamp seat, and a clamp seat connection block, a pair of balance rotating protrusions and a pair of embedded sliding grooves; the reference level is embedded on the upper end surface of the weighing balance bar, and the reference level is strip-shaped along the scale The length direction of the weighing balance bar is set, and the center of the reference level coincides with the center of the weighing balance bar; the pair of scale bars are respectively printed on the upper end face of the weighing balance bar, Located at the edges of both sides of the weighing balance bar; the pair of weighing cup collars are fixedly arranged on both ends of the weighing balancing bar, and the pair of weighing cup collars are circular Ring structure, the upper opening diameter of the pair of weighing cups is larger than the inner diameter of the pair of weighing cup collars, and the pair of weighing cups are respectively inserted into the pair of weighing cup collars; The balance bar clamp seat is a "U"-shaped structure with an upper end opening, and the opening width of the balance bar clamp seat is larger than the width of the weighing balance bar, and the top sides of the balance bar clamp seat are Datum lines are respectively provided; the pair of embedded sliding grooves are respectively symmetrically arranged on the two side end surfaces of the weighing balance bar, and the pair of embedded sliding grooves are elongated along the weighing balance bar. The length direction of the balance bar is set, and the pair of balance rotation protrusions are respectively arranged on the balance bar clamp seat, and are located inside the opening end of the balance bar clamp seat. The pair of balance rotation protrusions respectively correspondingly embedded in the pair of embedded sliding grooves, so that the weighing balance bar turns over with the pair of balance rotating protrusions as the axis and moves horizontally along the pair of embedded sliding grooves. Move; the clamp seat of the balance bar is fixedly arranged on the connecting block of the clamp seat, and the connecting block of the clamp seat is fixedly arranged on the support base. 2. The physical weighing structure according to claim 1, characterized in that: the inner wall of the pair of weighing cup collars is provided with anti-skid stickers, and the pair of weighing cups pass through the anti-skid stickers and the pair of weighing cups respectively. The pair of rings of the weighing cup are connected in contact. 3. The physical weighing structure according to claim 1, characterized in that: the bottom of the support base is provided with a plurality of height-adjusting bolts, which are located at the edge of the support base. 4. The physical weighing structure according to claim 3, characterized in that: the bottoms of the plurality of height-adjusting bolts are respectively provided with anti-slip mats, and the plurality of height-adjusting bolts pass through the anti-slip mats and the desktop contact connection. 5. The physical weighing structure according to claim 1, characterized in that: the support base is provided with one or more weight grooves, which are located on both sides of the clamp block connection block.