Table type combined metering scale
By combining two desktop electronic scales and using the design of vertical slider and T-slider, the problem of limited weighing range of existing desktop electronic scales is solved, achieving a wider weighing range and higher accuracy.
Patent Information
- Application Number
- CN202421782151.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-26
AI Technical Summary
Existing desktop electronic scales are limited in use within the weighing range and cannot effectively measure overweight objects.
By combining two desktop electronic scales, the design of vertical slider and T-slider can achieve synchronous downward movement of the two scales and expand the weighing range.
It has achieved nearly double the weighing range of a single desktop electronic scale, meeting more weighing needs, and improving weighing accuracy by reducing friction.
Smart Images
Figure CN222866040U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of measuring instruments, and in particular relates to a desktop combined measuring scale. Background Art
[0002] Desktop electronic scales are a type of weighing instrument. They are tools that use Hooke's law or the principle of lever balance of force to measure the mass of an object. They are mainly composed of a load-bearing system (such as a scale pan, a scale body), a force transmission conversion system (such as a lever force transmission system, a sensor) and an indication system (such as a dial, an electronic display instrument), etc. The weighing range is usually 30-1000 kg; but for a single scale body, it can only be used within its weighing range. Overweight objects cannot be measured, and its use is limited. Utility Model Content
[0003] In view of the defects in the prior art, the utility model provides a desktop combined measuring scale, which can combine two desktop electronic scales for use, so as to achieve the effect of expanding the weighing range and meet more weighing needs.
[0004] The utility model comprises a desktop combined measuring scale, a base, a vertical slide and two desktop electronic scales; the base comprises a bottom plate, a horizontal partition, a left plate and a right plate, the horizontal partition is arranged just above the bottom plate and the two are parallel to each other, the left plate and the right plate are at an angle of 90 degrees to each other and are connected as a whole, the bottom plate and the horizontal partition are fixed to the inner side surfaces of the left plate and the right plate; the vertical slide comprises an upper pressing plate, a lower pressing plate, a left sliding block and a right sliding block, the lower pressing plate is arranged between the bottom plate and the horizontal partition, the upper pressing plate is arranged just above the horizontal partition, the upper pressing plate and the lower pressing plate are parallel to each other and the distance between the two is consistent with the distance between the horizontal partition and the bottom plate, the left sliding block is vertically connected to the left plate with a single degree of freedom, the right sliding block is vertically connected to the right plate with a single degree of freedom, the upper pressing plate and the lower pressing plate are fixedly connected to the left sliding block and the right sliding block; one of the desktop electronic scales is respectively placed between the lower pressing plate and the bottom plate and between the upper pressing plate and the horizontal partition, when in use, the object to be measured is placed on the top surface of the upper pressing plate, the upper pressing plate The upper and lower pressure plates are connected as a whole by the left slider and the right slider, so the upper and lower pressure plates move down synchronously, and the two desktop electronic scales jointly bear the weight of the object to be measured, so its weighing range is close to twice that of a single desktop electronic scale; the weights of the upper and lower pressure plates, the left and right sliders need to be accurately determined in advance, and the displayed measurement value after measuring the weight of the object using the above-mentioned desktop combination weighing scale needs to be subtracted from the weight values of the upper and lower pressure plates, that is, the weight value of the object to be measured; the friction between the left slider and the left plate and between the right slider and the right plate will cause a certain error in the measurement, and reducing the friction can reduce the error, and it needs to be used within the allowable error range; the bottom plate is integrally formed with the left and right plates, and the horizontal partition is fixed to the left and right plates with a right-angle connection block, and the upper and lower pressure plates are also fixed to the corresponding left and right sliders with a right-angle connection block, and the right-angle connection block is provided with a rib plate to improve the overall structural rigidity.
[0005] Furthermore, the left slider and the right slider are both T-shaped sliders, and the left plate and the right plate are correspondingly provided with T-shaped grooves; they can better realize the single-degree-of-freedom sliding fit between the left slider and the left plate and between the right slider and the right plate.
[0006] Furthermore, two left-side sliders and two right-side sliders are arranged in parallel, respectively, which can better resist the effects of other forces that are inconsistent with the sliding direction and maintain overall durability.
[0007] Furthermore, the inner step surface and the bottom surface of the T-slot are provided with rollers for rolling with the surface of the corresponding left slider or right slider; a plurality of the rollers are evenly arranged along the length of the T-slot; the friction between the left slider and the left plate and between the right slider and the right plate is greatly reduced, the error caused by the friction is reduced, and the weighing accuracy is improved.
[0008] The beneficial effect of the utility model is that the desktop combined measuring scale of the utility model can combine two desktop electronic scales for use, thereby achieving the effect of expanding the weighing range and meeting more weighing requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.
[0010] Figure 1 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION
[0011] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.
[0012] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by technicians in the field to which the utility model belongs.
[0013] like Figure 1As shown: the table combination weighing scale of this embodiment includes a base, a vertical slide and two table electronic scales 3; the base includes a bottom plate 7, a horizontal partition 4, a left side plate 6 and a right side plate 10, the horizontal partition 4 is arranged directly above the bottom plate 7 and the two are parallel to each other, the left side plate 6 and the right side plate 10 are at an angle of 90 degrees to each other and are connected as a whole, the bottom plate 7 and the horizontal partition 4 are fixed to the inner side surfaces of the left side plate 6 and the right side plate 10; the vertical slide includes an upper pressing plate 8, a lower pressing plate 5, a left slider 1 and a right slider 9, the lower pressing plate 5 is arranged between the bottom plate 7 and the horizontal partition 4. Between the horizontal partitions 4, the upper pressing plate 8 is arranged directly above the horizontal partition 4, the upper pressing plate 8 and the lower pressing plate 5 are parallel to each other and the distance between the two is consistent with the distance from the horizontal partition 4 to the bottom plate 7, the left slider 1 is vertically connected to the left plate 6 with a single degree of freedom, and the right slider 9 is vertically connected to the right plate 10 with a single degree of freedom. The upper pressing plate 8 and the lower pressing plate 5 are fixedly connected to the left slider 1 and the right slider 9; one of the desktop electronic scales 3 is placed between the lower pressing plate 5 and the bottom plate 7 and between the upper pressing plate 8 and the horizontal partition 4, and the object to be measured is placed on the upper pressing plate 8 when in use. On the top surface, the upper pressing plate 8 and the lower pressing plate 5 are connected as a whole by the left slider 1 and the right slider 9, so the upper pressing plate 8 and the lower pressing plate 5 move downward synchronously, and the two desktop electronic scales 3 jointly bear the weight of the object to be measured, so its weighing range is close to twice that of a single desktop electronic scale 3; the weights of the upper pressing plate 8, the lower pressing plate 5, the left slider 1 and the right slider 9 need to be accurately determined in advance. After using the above-mentioned desktop combined weighing scale to measure the weight of the object, the displayed measurement value needs to be subtracted from the weight values of the upper pressing plate 8, the lower pressing plate 5, the left slider 1 and the right slider 9, which is the weight of the object to be measured. The weight value of the object; the friction between the left slider 1 and the left plate 6 and between the right slider 9 and the right plate 10 will cause a certain error in the measurement. Reducing the friction can reduce the error and it needs to be used within the allowable error range; the bottom plate 7 is integrally formed with the left plate 6 and the right plate 10, the horizontal partition 4 is fixed to the left plate 6 and the right plate 10 with a right-angle connecting block, the upper pressure plate 8, the lower pressure plate 5 and the corresponding left slider 1 and the right slider 9 are also fixed with a right-angle connecting block, and the right-angle connecting block is provided with ribs to improve the overall structural rigidity.
[0014] In this embodiment, the left slider 1 and the right slider 9 are both T-shaped sliders, and T-shaped grooves are correspondingly provided on the left plate 6 and the right plate 10; they can better realize the single-degree-of-freedom sliding fit between the left slider 1 and the left plate 6 and between the right slider 9 and the right plate 10.
[0015] In this embodiment, two left sliders 1 and two right sliders 9 are arranged in parallel, respectively, so as to better resist the effects of other forces inconsistent with the sliding direction and maintain overall durability.
[0016] In this embodiment, the inner step surface and the bottom surface of the T-shaped groove are provided with rollers 2 for rolling with the surface of the corresponding left slider 1 or the right slider 9; a plurality of rollers 2 are evenly arranged along the length of the T-shaped groove; the friction between the left slider 1 and the left plate 6 and between the right slider 9 and the right plate 10 is greatly reduced, the error caused by the friction is reduced, and the weighing accuracy is improved.
[0017] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.
Claims
1. A desktop combined weighing scale, characterized in that: The base comprises a bottom plate, a horizontal partition, a left plate and a right plate, the horizontal partition being arranged directly above the bottom plate and the two being parallel to each other, the left plate and the right plate being at an angle of 90 degrees to each other and being connected as a whole, the bottom plate and the horizontal partition being fixed to the inner sides of the left plate and the right plate; the vertical slide comprises an upper pressure plate, a lower pressure plate, a left slider and a right slider, the lower pressure plate being arranged between the bottom plate and the horizontal partition, the upper pressure plate being arranged directly above the horizontal partition, the upper pressure plate and the lower pressure plate being parallel to each other and the distance between the two being consistent with the distance between the horizontal partition and the bottom plate, the left slider being vertically slidably connected to the left plate with a single degree of freedom, the right slider being vertically slidably connected to the right plate with a single degree of freedom, the upper pressure plate and the lower pressure plate being fixedly connected to the left slider and the right slider; one desktop electronic scale is respectively placed between the lower pressure plate and the bottom plate and between the upper pressure plate and the horizontal partition.
2. The desktop combined weighing scale according to claim 1, characterized in that: The left slider and the right slider are both T-shaped sliders, and the left plate and the right plate are correspondingly provided with T-shaped grooves.
3. The desktop combined weighing scale according to claim 2, characterized in that: Two left-side sliders and two right-side sliders are arranged side by side.
4. The desktop combined weighing scale according to claim 3, characterized in that: The inner step surface and the bottom surface of the T-shaped slot are both provided with rollers for rolling with the surface of the corresponding left slider or right slider; a plurality of the rollers are evenly arranged along the length direction of the T-shaped slot.