Lever type metering device

Abstract

The utility model relates to the technical field of metering appliances, and discloses a lever type metering device, which comprises a placing box, a vertical rod and a cross rod, a lifting rod is inserted into the top end of the vertical rod, a sliding block is clamped on the inner wall of the cross rod, the lower surface of the sliding block is connected with a vertical column through a bolt, the outer surface of the vertical column is sleeved with a weight, and the vertical column is connected with the lifting rod through a bolt. And the bottom end of the vertical column is in threaded connection with a limiting block, one end of the transverse rod is connected with a rotating block in a clamped mode, and the lower surface of the rotating block is connected with a hook through a bolt. According to the lever type metering device, through the arrangement of the placing box, the reset spring, the fixing plate, the cross rod and the weight, an object is prevented from moving in the weighing process, the weight is prevented from falling off, the object is weighed, the object is limited in the weighing process, the object is prevented from shaking, and the weighing accuracy is improved. The weight can be conveniently added according to the weight of an object, and the stability of weighing operation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring tools, and specifically relates to a lever type measuring device. Background Art

[0002] Measurement refers to the activity of realizing unit unification and accurate and reliable measurement values. During the measurement process, it is considered that the measuring tools and instruments used are standard, and they are used to calibrate and verify the measuring tools and instrument equipment to be inspected, so as to measure and ensure the reliability of the measurement results obtained when using the measuring tools and instruments to be inspected for measurement. When weighing an item, it is not convenient to limit the item during weighing, and the item will shake, making it inconvenient to add weights according to the weight of the item, and the stability of the weighing operation is relatively insufficient.

[0003] Chinese Patent Publication No. CN207066566U discloses a measuring device for a lever type packaging scale, which has a measuring hopper and a lever. A weight is hung at the end of the lever, and an adjusting lever for passing a rider is installed on the lower end surface of the lever. The other end of the lever is welded with a lever support with a "U" - shaped cross - section. The measuring hopper is installed at the opening of the lever support through a movable hinge. A tipping hopper is installed at the bottom of the measuring hopper, and a tipping hopper support is installed on the tipping hopper, with advantages such as higher design reliability and stability, more convenient operation and maintenance, stable measurement, high efficiency, convenient maintenance, and high cost performance.

[0004] However, when this utility model is actually used, the following problems exist:

[0005] When weighing an item, it is not convenient to limit the item during weighing, and the item will shake, making it inconvenient to add weights according to the weight of the item, and the stability of the weighing operation is relatively insufficient. Summary of the Utility Model

[0006] (1) Technical Problems to be Solved

[0007] In order to overcome the above - mentioned defects of the prior art, the utility model provides a lever type measuring device, which solves the problems in the prior art:

[0008] When weighing an item, it is not convenient to limit the item during weighing, and the item will shake, making it inconvenient to add weights according to the weight of the item, and the stability of the weighing operation is relatively insufficient.

[0009] (2) Technical Solutions

[0010] To achieve the above objectives, the utility model is implemented through the following technical solutions: a lever-type metering device, including a placement box, a vertical pole and a horizontal pole, a lifting rod is inserted into the top of the vertical pole, a sliding block is clamped on the inner wall of the horizontal pole, the lower surface of the sliding block is connected to a vertical column by bolts, a weight is sleeved on the outer surface of the vertical column, the bottom end of the vertical column is threadedly connected to a limiting block, a rotating block is clamped at one end of the horizontal pole, a hook is connected to the lower surface of the rotating block by bolts, a reset spring is fixedly connected to the inner side wall of the placement box, the end of the reset spring away from the placement box is connected to a fixing plate by bolts, and a pull rope is fixedly connected to one side of the upper surface of the placement box.

[0011] Optionally, the top end of the pull rope is clamped on the outer surface of the hook, and the fixing plate is symmetrically arranged with the vertical center line of the placement box as the symmetry axis.

[0012] Optionally, a bottom plate for support is fixedly connected to the bottom end of the vertical pole, and an anti-slip pad is fixedly connected to the lower surface of the bottom plate.

[0013] Optionally, a clamping bolt for limiting position is provided at the top of the side surface of the vertical pole, and the clamping bolt passes through one end of the vertical pole and is threadedly disposed on the inner wall of the lifting rod.

[0014] Optionally, the top end of the lifting rod is clamped on the inner wall of the cross bar, and the outer surface of the cross bar is provided with scale lines.

[0015] Optionally, one side of the upper surface of the crossbar is connected to a connecting column via bolts, and one end of the connecting column is clamped with a lighting lamp for lighting.

[0016] (III) Beneficial effects

[0017] The utility model provides a lever type metering device, which has the following beneficial effects:

[0018] The lever-type weighing device is provided with a placing box, a reset spring, a fixing plate, a cross bar and a weight. The article is placed inside the placing box, and the fixing plate is pressed to one side. Under the action of the reset spring, the fixing plate will be pressed against the surface of the article to prevent the article from moving when being weighed. The weight is installed according to the weight of the article, and the limit block is threadedly connected to the bottom end of the vertical column to prevent the weight from falling. The top end of the lifting rod is clamped on the lower surface of the cross bar, and the lifting rod can be lifted and lowered on the inner wall of the vertical column. The top end of the vertical column is installed on one side of the slider, and the slider can slide on the inner wall of the cross bar. The sliding slider keeps the cross bar horizontal, and the weight of the article is weighed, which is beneficial to limit the article when weighing it, prevent the article from shaking, and facilitate the addition of the weight according to the weight of the article, thereby improving the stability of the weighing operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the placement box of the utility model;

[0022] Figure 4 This is a schematic diagram of the vertical column structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the crossbar structure of the utility model.

[0024] In the figure: 1. placement box; 2. vertical pole; 3. horizontal pole; 4. lifting rod; 5. sliding block; 6. vertical column; 7. weight; 8. limit block; 9. rotating block; 10. hook; 11. reset spring; 12. fixing plate; 13. pull rope; 14. bottom plate; 15. anti-slip mat; 16. connecting column; 17. lighting lamp. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1:

[0027] To facilitate lighting in low-light areas and improve weighing convenience, see Figure 1 and Figure 2 The utility model provides a technical solution: a lever-type measuring device, including a placing box 1, a vertical pole 2 and a cross bar 3. The top of the vertical pole 2 is plugged with a lifting rod 4, and the top of the lifting rod 4 is clamped on the inner wall of the cross bar 3 to form a lever-type measuring form. The outer surface of the cross bar 3 is provided with scale lines, and the scale lines can be convenient for users to measure. One side of the upper surface of the cross bar 3 is connected with a connecting column 16 by bolts, and one end of the connecting column 16 is clamped with a lighting lamp 17 for lighting. A battery is clamped inside the lighting lamp 17 to power the lighting lamp 17. After turning on the lighting lamp 17, it can be illuminated when the light is insufficient. The top of the lifting rod 4 is clamped on the lower surface of the cross bar 3. The lifting rod 4 can be lifted and lowered on the inner wall of the vertical pole 2 according to the habits of the users. The top of the vertical column 6 is installed on one side of the slide block 5, and the slide block 5 can slide on the inner wall of the cross bar 3. The sliding slide block 5 keeps the cross bar 3 horizontal to weigh the weight of the object, thereby achieving the purpose of facilitating lighting in areas with insufficient light and improving the convenience of weighing.

[0028] Embodiment 2:

[0029] In order to facilitate the addition of weights 7 according to the different weights of items, please refer to Figure 5 The inner wall of the cross bar 3 is clamped with a slider 5, the lower surface of the slider 5 is connected to a vertical column 6 by bolts, the outer surface of the vertical column 6 is sleeved with a weight 7, the bottom end of the vertical column 6 is threadedly connected to a limit block 8, the weight 7 is installed according to the weight of the object, and the limit block 8 is threadedly connected to the bottom end of the vertical column 6 to prevent the weight 7 from falling, thereby achieving the purpose of facilitating the addition of the weight 7 according to the different weights of the objects.

[0030] Embodiment three:

[0031] In order to facilitate the removal and disassembly of the storage box 1, please refer to Figure 1 and Figure 3 A swivel block 9 is clamped at one end of the cross bar 3, and a hook 10 is connected to the lower surface of the swivel block 9 by bolts. A pull rope 13 is fixedly connected to one side of the upper surface of the storage box 1, and the top of the pull rope 13 is clamped on the outer surface of the hook 10. The swivel block 9 can rotate on the inner wall of the cross bar 3, and the pull rope 13 has a good traction effect, which is convenient for disassembly and installation, thereby achieving the purpose of facilitating the removal and disassembly of the storage box 1.

[0032] Embodiment 4:

[0033] In order to facilitate the adjustment of the height of the crossbar 3 according to the different usage habits of users, it is convenient to limit and fix the items;

[0034] See also Figure 3 and Figure 5 The inner wall of the placement box 1 is fixedly connected with a return spring 11, and the end of the return spring 11 away from the placement box 1 is connected with a fixed plate 12 by a bolt. The fixed plate 12 is symmetrically arranged with the vertical center line of the placement box 1 as the symmetry axis. The bottom end of the vertical pole 2 is fixedly connected with a bottom plate 14 for support, and the lower surface of the bottom plate 14 is fixedly connected with an anti-slip pad 15. The top of the side of the vertical pole 2 is provided with a clamping bolt for limiting. The clamping bolt passes through one end of the vertical pole 2 and is threadedly arranged on the inner wall of the lifting rod 4;

[0035] The lifting rod 4 can be raised and lowered on the inner wall of the vertical rod 2 according to the user's habits. After the lifting and lowering adjustment, it can be fixed and limited by the clamping bolts. Put the items inside the placement box 1, press the fixing plate 12 to one side, and the fixing plate 12 will be pressed against the surface of the items under the action of the return spring 11 to limit the position of the items. Therefore, it is convenient to adjust the use height of the cross bar 3 according to the different usage habits of the users, so as to facilitate the purpose of limiting and fixing the items.

[0036] In the utility model, the working steps of the device are as follows:

[0037] First, place the item inside the placement box 1 and press the fixed plate 12 to one side. The fixed plate 12 will press against the surface of the item under the action of the reset spring 11 to limit the position of the item. Secondly, install the weight 7 according to the weight of the item. Then, thread the limit block 8 at the bottom end of the vertical column 6 to prevent the weight 7 from falling. The top end of the lifting rod 4 is clamped on the lower surface of the cross bar 3. The lifting rod 4 can be lifted and lowered on the inner wall of the vertical pole 2 according to the user's habit. Finally, the top end of the vertical column 6 is installed on one side of the slider 5. The slider 5 can slide on the inner wall of the cross bar 3. Sliding the slider 5 keeps the cross bar 3 horizontal to weigh the weight of the item.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lever-type metering device, comprising a placement box (1), a vertical rod (2) and a horizontal rod (3), characterized in that: A lifting rod (4) is inserted into the top of the vertical rod (2), a sliding block (5) is clamped on the inner wall of the cross bar (3), the lower surface of the sliding block (5) is connected to a vertical column (6) by bolts, the outer surface of the vertical column (6) is sleeved with a weight (7), the bottom end of the vertical column (6) is threadedly connected to a limiting block (8), one end of the cross bar (3) is clamped with a rotating block (9), the lower surface of the rotating block (9) is connected to a hook (10) by bolts, the inner wall of the placement box (1) is fixedly connected to a reset spring (11), the end of the reset spring (11) away from the placement box (1) is connected to a fixing plate (12) by bolts, and one side of the upper surface of the placement box (1) is fixedly connected to a pull rope (13).

2. A lever-type metering device according to claim 1, characterized in that: The top end of the pull rope (13) is clamped on the outer surface of the hook (10), and the fixing plate (12) is symmetrically arranged with the vertical center line of the placement box (1) as the symmetry axis.

3. A lever-type metering device according to claim 1, characterized in that: The bottom end of the vertical pole (2) is fixedly connected to a bottom plate (14) for support, and the lower surface of the bottom plate (14) is fixedly connected to an anti-slip pad (15).

4. A lever-type metering device according to claim 1, characterized in that: A clamping bolt for limiting position is provided at the top of the side of the vertical pole (2); one end of the clamping bolt passes through the vertical pole (2) and is threadedly disposed on the inner wall of the lifting rod (4).

5. A lever-type metering device according to claim 1, characterized in that: The top end of the lifting rod (4) is clamped on the inner wall of the cross bar (3), and the outer surface of the cross bar (3) is provided with scale lines.

6. A lever-type metering device according to claim 1, characterized in that: One side of the upper surface of the crossbar (3) is connected to a connecting column (16) via bolts, and one end of the connecting column (16) is clamped with a lighting lamp (17) for lighting.

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