Electronic weighing instrument capable of increasing weighing area

Abstract

The utility model provides an electronic weighing instrument capable of increasing the weighing area, and the electronic weighing instrument comprises a weighing housing, a weighing sensor, a mechanical dowel bar, a display instrument, a first accommodation groove, an extension mechanism, a second accommodation groove, a contraction mechanism, a cavity, a transmission mechanism, and a limiting rod. A user can conveniently stretch the extension mechanism and the contraction mechanism, so that the purpose of increasing the weighing area of the device is achieved, and the purpose of accurately weighing an object exceeding the width range of the weighing shell of the electronic scale is achieved; a user folds a contracted telescopic plate into a storage groove I and pushes a contraction mechanism into a storage groove II, so that the space occupied by the device is reduced; and through the arrangement of a transmission mechanism, a first limiting column and a limiting rod, the situation that the device is automatically unfolded due to external factors such as carrying or vibration in the non-use state and is damaged by touching other objects by mistake is prevented, and the safety of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of electronic weighing instrument technology, and in particular to an electronic weighing instrument that can increase the weighing area. Background Technology

[0002] Electronic weighing instruments include electronic truck scales, electronic rail scales, quantitative packaging scales, steel scales, etc. They are generally composed of several parts such as the scale body, weighing sensors, weighing display instruments, mechanical force transmission and limit mechanisms, etc. They are a type of equipment widely used in factories, mines, ports, warehouses, docks and other industries for weighing and measuring various materials.

[0003] Patent CN215952741U discloses a reinforced electronic weighing instrument, including a base and a reinforcement device. The base is used for supporting and fixing the instrument. When the reinforced electronic weighing instrument is placed on a flat surface, the support seat will slide the lifting rod inside the fixed seat due to the influence of gravity, which allows the support seat to contact the flat surface. The support seats are set on both sides of the outer surface of the base, which can reinforce and assist the support of the instrument. At the same time, this can prevent the weighed goods from being too heavy or the goods placed on the weighing plate from tilting and tipping over.

[0004] The aforementioned patent can be placed on uneven ground during implementation, increasing the practicality of the solution. In addition, it has the advantage of automatically adjusting the height of the support base according to the height of the support feet. However, during implementation, the aforementioned patent is difficult to accurately weigh objects that exceed the width range of the electronic weighing shell. When the object being weighed is large, it is easy for it to exceed the range of the weighing shell and come into contact with the ground or other objects, ultimately affecting the weighing result. Utility Model Content

[0005] To address the problems existing in the prior art, this utility model provides an electronic weighing instrument that can increase the weighing area, including a weighing housing, a weighing sensor disposed below the weighing housing, a mechanical force transmission rod vertically mounted on the weighing housing, a display instrument mounted on the top of the mechanical force transmission rod, and storage slots one and two on both sides of the weighing housing for storage, with storage slot two located above storage slot one.

[0006] The storage slot 1 is equipped with two extension mechanisms. The extension mechanism includes a telescopic plate. One end of the telescopic plate is hinged to the inner wall of the storage slot 1. An automatic telescopic rod is fixedly connected to the end of the telescopic plate away from the weighing shell. A limit hole is opened at the top of the telescopic plate. An insertion hole is opened on the inward side of the telescopic plate. A telescopic spring 2 is fixedly connected to the inner wall of the storage slot 1.

[0007] The storage slot 2 is equipped with a retraction mechanism, which includes telescopic fences arranged in an equidistant array. An X-shaped folding frame is hinged between every two telescopic fences. Storage slots 3 are opened at both ends of the bottom of each telescopic fence. A rotating column is rotatably connected inside each storage slot 3. A limiting plate is fixedly connected to each rotating column. A limiting post 2 is fixedly connected to the outer surface of the outer side of each limiting plate. The limiting post 2 is adapted to the insertion hole opened on the inner side of the telescopic plate.

[0008] The weighing housing has an internal cavity located above the receiving slot. A transmission mechanism is installed inside the cavity, comprising a transmission plate 1 and a transmission plate 2, hinged together by a pin. The end of transmission plate 2 away from transmission plate 1 is hinged to the inner wall of the cavity. Limiting posts 1 are fixedly connected to the bottom surfaces of both transmission plates 1 and 2, each extending downwards into the receiving slot and slidingly connected to the weighing housing. The limiting posts 1 are adapted to limiting holes. Telescopic springs 1 are fixedly connected to the upper surfaces of both transmission plates 1 and 2, each telescopic spring 1 away from the limiting post 1 being fixedly connected to the inner wall of the cavity. A lever hinge post is hinged to the middle of transmission plate 1, with the end of the lever hinge post away from transmission plate 1 fixedly connected to the inner wall of the cavity. A baffle plate is located above transmission plate 1 outside the weighing housing, and the baffle plate is fixedly connected to the weighing housing.

[0009] Optionally, two limiting rods and two locking pins are provided on both sides of the weighing housing. One end of the limiting rod is rotatably connected to the bottom side of the weighing housing, and the other end of the limiting rod has a locking interface. The locking interface of the limiting rod is covered with a magnetic layer. The locking pin is fixedly connected to the upper side of the weighing housing, and the locking pin is adapted to the locking interface.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] 1. By setting up extension and retraction mechanisms, users can easily extend the extension and retraction mechanisms to increase the weighing area of ​​the device, thus achieving the purpose of accurately weighing objects that exceed the width range of the electronic scale weighing shell.

[0012] 2. The user folds the retractable plate into the storage slot one and pushes the retraction mechanism into the storage slot two to reduce the space occupied by the device.

[0013] 3. The transmission mechanism, limit post 1, and limit rod are designed to prevent the device from unfolding on its own due to external factors such as moving or vibration when it is not in use, thus preventing it from accidentally hitting other objects and being damaged, thereby increasing the safety of the device. Attached Figure Description

[0014] The following description, with reference to the accompanying drawings, illustrates an embodiment of an electronic weighing instrument with an increased weighing area according to the present invention. The accompanying drawings are as follows:

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0016] Figure 2 This is a three-dimensional structural cross-sectional view of the transmission mechanism of this utility model;

[0017] Figure 3 This is a three-dimensional structural diagram of the extension mechanism of this utility model;

[0018] Figure 4 This is a three-dimensional structural diagram of the retraction mechanism of this utility model;

[0019] Figure 5 This is a partially enlarged view of the retraction mechanism of this utility model.

[0020] Figure Descriptions: 1. Weighing housing; 2. Weighing sensor; 3. Mechanical force transmission rod; 4. Display instrument; 5. Storage slot one; 6. Extension mechanism; 601. Telescopic plate; 602. Automatic telescopic rod; 603. Limiting hole; 604. Telescopic spring two; 7. Storage slot two; 8. Retraction mechanism; 801. Telescopic fence; 802. Storage slot three; 803. Rotating column; 804. Limiting plate; 805. Limiting post two; 9. Cavity; 10. Transmission mechanism; 1001. Transmission plate one; 1002. Transmission plate two; 1003. Limiting post one; 1004. Telescopic spring one; 1005. Lever hinge column; 1006. Baffle plate; 11. Limiting rod; 12. Locking post. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] It should be noted that if there are directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of this utility model, they are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicator will also change accordingly.

[0023] Furthermore, if the descriptions in this utility model involve terms such as "first" or "second," they are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0024] The specific implementation of this utility model will be described in detail below with reference to specific embodiments:

[0025] See Figure 1-4 The present invention provides an electronic weighing instrument that can increase the weighing area, including a weighing housing 1, a weighing sensor 2 disposed below the weighing housing 1, a mechanical force transmission rod 3 vertically mounted on the weighing housing 1, a display instrument 4 mounted on the top of the mechanical force transmission rod 3, and two storage slots 5 and 7 on both sides of the weighing housing 1 for storage, with the storage slot 7 located above the storage slot 5.

[0026] The storage slot 5 has two extension mechanisms 6 inside. The extension mechanism 6 includes a telescopic plate 601. One end of the telescopic plate 601 is hinged to the inner wall of the storage slot 5. The end of the telescopic plate 601 away from the weighing housing 1 is vertically and fixedly connected to an automatic telescopic rod 602. A limit hole 603 is opened at the top of the telescopic plate 601. An insertion hole is opened on the inner side of the telescopic plate 601. A telescopic spring 604 is fixedly connected to the inner wall of the storage slot 5.

[0027] The storage slot 2 7 is equipped with a retraction mechanism 8. The retraction mechanism 8 includes telescopic fence bars 801 arranged at equal intervals. An X-shaped folding frame is hinged between every two telescopic fence bars 801. Storage slots 3 802 are opened at both ends of the bottom of each telescopic fence bar 801. A rotating column 803 is rotatably connected inside each storage slot 3 802. A limiting plate 804 is fixedly connected to each rotating column 803. A limiting post 2 805 is fixedly connected to the outer surface of the outer side of each limiting plate 804. The limiting post 2 805 is adapted to the insertion hole opened on the inner side of the telescopic plate 601.

[0028] The weighing housing 1 has an internal cavity 9 located above the receiving slot 5. A transmission mechanism 10 is installed inside the cavity 9. The transmission mechanism 10 includes a transmission plate 1001 and a transmission plate 1002, which are hinged together by a pin. The end of the transmission plate 1002 away from the transmission plate 1001 is hinged to the inner wall of the cavity 9. Limiting posts 1003 are fixedly connected to the bottom surfaces of both the transmission plates 1001 and 1002. Each limiting post 1003 extends downwards into the receiving slot 5 and is slidably connected to the weighing housing 1. The first column 1003 is adapted to the limiting hole 603. The upper surfaces of the first transmission plate 1001 and the second transmission plate 1002 are fixedly connected with the first extension spring 1004. The end of each extension spring 1004 away from the limiting column 1003 is fixedly connected to the inner wall of the cavity 9. The middle part of the first transmission plate 1001 is hinged with the lever hinge column 1005. The end of the lever hinge column 1005 away from the first transmission plate 1001 is fixedly connected to the inner wall of the cavity 9. The first transmission plate 1001 is provided with a baffle plate 1006 above the outside of the weighing housing 1. The baffle plate 1006 is fixedly connected to the weighing housing 1.

[0029] Two limiting rods 11 and two locking pins 12 are provided on both sides of the weighing housing 1. One end of the limiting rod 11 is rotatably connected to the bottom side of the weighing housing 1, and the other end of the limiting rod 11 is provided with a locking interface. The locking interface of the limiting rod 11 is covered with a magnetic layer. The locking pins 12 are fixedly connected to the upper side of the weighing housing 1, and the locking pins 12 are adapted to the locking interface.

[0030] The working principle of this utility model is as follows:

[0031] When the user needs to accurately weigh an object that exceeds the weighing shell of the electronic scale, first, the limiting rod 11 is rotated to cancel its limiting effect. Then, the transmission plate 1001 is pressed to the position outside the weighing shell 1. At this time, supported by the lever hinge column 1005, the other end of the transmission plate 1001 can be raised, and one end of the transmission plate 2 1002 hinged to it also rises. Finally, the limiting column 1003 rises and disengages from the limiting hole 603, canceling the limitation on the telescopic plate 601. At this time, the telescopic plate 601 can automatically pop out from the inside of the storage slot 5 due to the elastic force of the telescopic spring 2 604, making it convenient for the user to extend the telescopic plate 601 and increase the weighing capacity. The weighing area of ​​the weighing shell 1 is such that when the user stops pressing the transmission plate 1001, the telescopic spring 1004 will give the transmission plate 1001 an elastic force to make the limiting post 1003 return to its original position, extending the telescopic fence 801. The limiting plate 804 will fall out of the storage slot 802 due to its own weight. When the telescopic fence 801 is extended to a certain position, the limiting post 805 can be inserted into the socket on the outer surface of the telescopic plate 601, and the telescopic fence 801 will be fixed. At this time, the telescopic fence 801 can support the weighed object, thereby achieving the purpose of accurately weighing objects that exceed the width range of the electronic scale weighing shell.

[0032] After weighing, the user folds the retractable telescopic plate 601 into the storage slot 5. By squeezing the limiting post 1003, the limiting post 1003 is locked into the limiting hole 603, thus limiting the extension mechanism 6. The retractable mechanism 8 is pushed into the storage slot 7. The extension mechanism 6 and the retractable mechanism 8 are retracted into the storage slots 5 and 7, reducing the space occupied by the device and facilitating storage. At this time, the limiting rod 11 is rotated to lock the locking interface of the limiting rod 11 into the locking post 12, thereby limiting the extension mechanism 6 and the retractable mechanism 8. This prevents the extension mechanism 6 and the retractable mechanism 8 from unfolding on their own due to moving or collision when not in use, and from accidentally hitting other objects and being damaged.

[0033] The present invention has thus far described the technical solution of the present invention with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the present invention.

Claims

1. An electronic weighing instrument with an increased weighing area, comprising a weighing housing, characterized in that, A weighing sensor is installed below the weighing housing. A mechanical force transmission rod is installed vertically upward on the weighing housing. A display instrument is installed at the top of the mechanical force transmission rod. Storage slot 1 and storage slot 2 are opened on both sides of the weighing housing to achieve a storage effect. Storage slot 2 is located above storage slot 1. The storage slot 1 is equipped with two extension mechanisms. The extension mechanism includes a telescopic plate. One end of the telescopic plate is hinged to the inner wall of the storage slot 1. An automatic telescopic rod is fixedly connected to the end of the telescopic plate away from the weighing shell. A limit hole is opened at the top of the telescopic plate. An insertion hole is opened on the inward side of the telescopic plate. A telescopic spring 2 is fixedly connected to the inner wall of the storage slot 1. The storage slot 2 is equipped with a retraction mechanism, which includes telescopic fences arranged in an equidistant array. An X-shaped folding frame is hinged between every two telescopic fences. Storage slots 3 are opened at both ends of the bottom of each telescopic fence. A rotating column is rotatably connected inside each storage slot 3. A limiting plate is fixedly connected to each rotating column. A limiting post 2 is fixedly connected to the outer surface of the outer side of each limiting plate. The limiting post 2 is adapted to the insertion hole opened on the inner side of the telescopic plate. The weighing housing has an internal cavity located above the receiving slot. A transmission mechanism is installed inside the cavity, comprising a transmission plate 1 and a transmission plate 2, hinged together by a pin. The end of transmission plate 2 away from transmission plate 1 is hinged to the inner wall of the cavity. Limiting posts 1 are fixedly connected to the bottom surfaces of both transmission plates 1 and 2, each extending downwards into the receiving slot and slidingly connected to the weighing housing. The limiting posts 1 are adapted to limiting holes. Telescopic springs 1 are fixedly connected to the upper surfaces of both transmission plates 1 and 2, each telescopic spring 1 away from the limiting post 1 being fixedly connected to the inner wall of the cavity. A lever hinge post is hinged to the middle of transmission plate 1, with the end of the lever hinge post away from transmission plate 1 fixedly connected to the inner wall of the cavity. A baffle plate is located above transmission plate 1 outside the weighing housing, and the baffle plate is fixedly connected to the weighing housing.

2. The electronic weighing instrument with an increased weighing area according to claim 1, characterized in that, Two limiting rods and two locking pins are provided on both sides of the weighing housing. One end of the limiting rod is rotatably connected to the bottom side of the weighing housing, and the other end of the limiting rod has a locking interface. The locking interface of the limiting rod is covered with a magnetic layer. The locking pin is fixedly connected to the upper side of the weighing housing, and the locking pin is adapted to the locking interface.

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