Metering weighing device with protection structure

By designing a buffer protection mechanism in the metering weighing machine, using a bidirectional drive motor and other mechanical components to raise the bearing plate before the object contacts, forming a gap to absorb vibration, the problem of easy damage of the existing metering weighing machine is solved, and effective protection of the symmetric load sensor is achieved.

CN222784190UActive Publication Date: 2025-04-22CHONGQING WEIGHING TECH CO LTD
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Patent Information

Application Number
CN202421693535.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-17
Publication Date
2025-04-22
Estimated Expiration
2034-07-17

AI Technical Summary

Technical Problem

Most of the existing metrological weighing devices do not have buffer protection functions, which leads to vibration when the object comes into contact with the weighing plate, which easily damages the weighing sensor.

Method used

A metering weigher with a buffer protection mechanism is designed, which includes a bidirectional drive motor, a gear reducer, a drive shaft, a coupling, a rotary shaft, a cam and a support plate. By the cooperation of these components, the bearing plate can be raised before the object is placed to form a gap to absorb vibration.

Benefits of technology

It effectively avoids vibration transmission when objects are in contact, protects the weighing sensor, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of metering and weighing equipment, in particular to a metering and weighing device with a protection structure, which comprises a base, a weighing sensor, a bearing plate, a support, a display and a buffer protection mechanism, and is characterized in that the buffer protection mechanism comprises two mounting bases, two supporting plates and a bidirectional driving motor; before an object is weighed by using a metering and weighing device, a bidirectional driving motor is started, and two driving shafts are driven to rotate synchronously after the output rotating speed is reduced by using a gear reducer, so that a rotating shaft is driven to rotate through a coupler, a cam rotates at the inner bottom of a mounting base, and a bulge of the cam applies force to a supporting plate; the supporting plate ascends in the mounting base, so that the bearing plate is driven to ascend, a gap exists between the bearing plate and the weighing sensor, vibration generated when an object is placed on the bearing plate cannot be transmitted to the weighing sensor, and the weighing sensor is prevented from being damaged.
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Description

Technical Field

[0001] The utility model relates to the technical field of measuring and weighing equipment, in particular to a measuring and weighing device with a protective structure. Background Art

[0002] A weighing scale usually refers to a weight measuring device used for large objects in industry or trade. It refers to the use of modern electronic technologies such as program control, group control, teleprinting records, and screen display.

[0003] When using a weighing scale to weigh an object, the object is usually lifted and then gently placed on the weighing plate of the weighing scale. However, most existing weighing scales do not have a buffer protection function. When the object contacts the weighing plate of the weighing scale, vibration will occur, which can easily damage the weighing sensor of the weighing scale. Utility Model Content

[0004] The utility model aims to provide a weighing scale with a protective structure, aiming to solve the technical problem that most existing weighing scales do not have a buffer protection function, and when an object contacts the weighing plate of the weighing scale, vibration will be generated, which can easily cause damage to the weighing sensor of the weighing scale.

[0005] To achieve the above-mentioned purpose, the utility model provides a measuring weighing device with a protective structure, comprising a base, a weighing sensor, a bearing plate, a bracket, a display and a buffer protection mechanism, wherein the upper surface of the base is provided with the weighing sensor, the upper surface of the weighing sensor is provided with the bearing plate, one side of the base is provided with the bracket, the display is mounted on the bracket, the display is communicatively connected with the weighing sensor, and universal wheels are provided at the four bottom corners of the bracket;

[0006] The buffer protection mechanism includes two mounting bases, two support plates and a bidirectional driving motor, the mounting bases are provided at both ends of the base, the support plates are slidingly provided inside the upper end of the mounting base, each of the support plates is connected to the bottom of the bearing plate at one end away from the corresponding mounting base, a cam is provided at the inner bottom of each mounting base for rotationally connecting with a rotating shaft, the protrusion of each cam is fitted with the bottom of the support plate, the bidirectional driving motor is also provided at the center of the bottom of the base, gear reducers are provided at both ends of the bidirectional driving motor, a driving shaft is provided at the output end of each gear reducer, a coupling is provided at one end of each driving shaft away from the bidirectional driving motor, and each coupling is respectively connected to one of the rotating shafts.

[0007] Wherein, fixed wing plates are arranged on both sides of each mounting base, and the fixed wing plates are detachably connected to the ends of the base.

[0008] Wherein, a connecting plate is provided on a side of each supporting plate away from the corresponding mounting base, and the connecting plate is connected to the bottom of the carrying plate.

[0009] Wherein, a protective frame is arranged around the upper surface of the carrying plate, and a pushing handle is arranged on a side of the base away from the bracket.

[0010] Among them, the weighing scale with a protective structure also includes two auxiliary support members, and each of the driving shafts is provided with the auxiliary support member at one end away from the bidirectional driving motor, one end of the auxiliary support member is connected to the bottom of the base, and the other end of the auxiliary support member is arranged on the outside of the corresponding driving shaft.

[0011] Wherein, each of the auxiliary support members includes a fixed block, a support block and a support ring, wherein the fixed block is fixedly arranged at one end of the support block, and the support ring is arranged at the other end of the support block, and the support ring is arranged outside the drive shaft, and the fixed block is connected to the bottom of the base.

[0012] The utility model provides a measuring weighing device with a protective structure. Before the measuring weighing device is used to weigh an object, the bidirectional driving motor is started, and after the output speed is slowed down by the gear reducer, the two driving shafts are driven to rotate synchronously, thereby driving the rotating shaft to rotate through the coupling, so that the cam rotates on the inner bottom of the mounting base, so that the protrusion of the cam applies force to the support plate, so that the support plate rises inside the mounting base, thereby driving the bearing plate to rise, so that there is a gap between the bearing plate and the weighing sensor, so that when the object is placed on the bearing plate, the vibration generated will not be transmitted to the weighing sensor, thereby avoiding damage to the weighing sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of a measuring weighing device with a protective structure according to the first embodiment of the utility model.

[0015] Figure 2 The utility model provides Figure 1 A magnified view of the local structure at A.

[0016] Figure 3 It is a partial structural schematic diagram of a measuring weighing device with a protective structure according to the first embodiment of the utility model.

[0017] Figure 4 It is a partial structural schematic diagram of a measuring weighing device with a protective structure according to the second embodiment of the utility model.

[0018] 101-base, 102-weighing sensor, 103-carrying plate, 104-bracket, 105-display, 106-mounting base, 107-support plate, 108-bidirectional drive motor, 109-universal wheel, 110-rotating shaft, 111-cam, 112-gear reducer, 113-drive shaft, 114-coupling, 115-fixed wing plate, 116-connecting plate, 117-protective frame, 118-push handle, 201-fixed block, 202-support block, 203-support ring. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0020] First embodiment:

[0021] See also Figures 1 to 3 ,in Figure 1 is a structural schematic diagram of a weighing scale with a protective structure according to a first embodiment, Figure 2 yes Figure 1 A magnified view of the local structure at A. Figure 3 It is a partial structural diagram of the measuring weighing device with a protective structure according to the first embodiment.

[0022] The utility model provides a measuring weighing machine with a protective structure: including a base 101, a weighing sensor 102, a bearing plate 103, a bracket 104, a display 105 and a buffer protection mechanism, wherein the buffer protection mechanism includes two mounting bases 106, two support plates 107 and a bidirectional drive motor 108. The above-mentioned solution solves the problem that most existing measuring weighing machines do not have a buffer protection function, and when an object contacts the weighing plate of the measuring weighing machine, vibration will occur, thereby easily causing damage to the weighing sensor 102 of the measuring weighing machine. It can be understood that the above-mentioned solution can be used in the structure of the measuring weighing machine.

[0023] According to this specific embodiment, the weighing sensor 102 is provided on the upper surface of the base 101, the carrying plate 103 is provided on the upper surface of the weighing sensor 102, the bracket 104 is provided on one side of the base 101, the display 105 is mounted on the bracket 104, the display 105 is communicatively connected with the weighing sensor 102, and universal wheels 109 are provided at the four bottom corners of the bracket 104. The object to be weighed is placed on the carrying plate 103, the newly added weight on the carrying plate 103 is weighed by the weighing sensor 102, and the weighing data is displayed through the display 105 to complete the weighing measurement of the object.

[0024] The mounting base 106 is disposed at both ends of the base 101, and the support plate 107 is slidably disposed inside the upper end of the mounting base 106. One end of each support plate 107 away from the corresponding mounting base 106 is connected to the bottom of the carrier plate 103. The inner bottom of each mounting base 106 is rotatably connected to a cam 111 through a rotating shaft 110. The protrusion of each cam 111 fits with the bottom of the support plate 107. The center of the bottom of the base 101 is also provided with the double The two-way drive motor 108 is provided with a gear reducer 112 at both ends of the two-way drive motor 108, and a drive shaft 113 is provided at the output end of each gear reducer 112. A coupling 114 is provided at one end of each drive shaft 113 away from the two-way drive motor 108, and each coupling 114 is connected to one of the rotating shafts 110. Before the object is weighed by the measuring scale, the two-way drive motor 108 is started, and the output speed is slowed down by the gear reducer 112, and the two drive shafts are driven. The cam 111 rotates synchronously with the support plate 107, thereby driving the rotating shaft 110 to rotate through the coupling 114, so that the cam 111 rotates at the inner bottom of the mounting base 106, so that the protrusion of the cam 111 applies force to the support plate 107, so that the support plate 107 rises inside the mounting base 106, thereby driving the bearing plate 103 to rise, so that there is a gap between the bearing plate 103 and the weighing sensor 102, so that when an object is placed on the bearing plate 103, the vibration generated will not be transmitted to the weighing sensor. The load cell 102 is located at the support plate 107 to avoid damage to the load cell 102. When weighing, the bidirectional drive motor 108 is started, and the cam 111 is driven to rotate through the cooperation of the drive shaft 113 and the rotating shaft 110, so that the protrusion of the cam 111 is away from the bottom of the support plate 107, so that the support plate 107 descends in the mounting base 106, so that the load cell 103 contacts the load cell 102, thereby using the load cell 102 to weigh the object on the load cell 103.

[0025] Secondly, each of the mounting bases 106 is provided with fixed wing panels 115 on both sides. The fixed wing panels 115 are detachably connected to the ends of the base 101, and the fixed wing panels 115 are fixed to the ends of the base 101 by screws, thereby completing the installation of the mounting base 106.

[0026] At the same time, each support plate 107 is provided with a connecting plate 116 on one side away from the corresponding mounting base 106 , and the connecting plate 116 is connected to the bottom of the supporting plate 103 . Through the setting of the connecting plate 116 , the support plate 107 is installed at the bottom of the supporting plate 103 .

[0027] In addition, a protective frame 117 is provided around the upper surface of the supporting plate 103, and a pushing handle 118 is provided on the side of the base 101 away from the bracket 104. The provision of the protective frame 117 can prevent the living creature from falling off the supporting plate 103 when weighing the living creature, and the provision of the pushing handle 118 can facilitate the transportation of the measuring scale with the cooperation of the universal wheel 109.

[0028] When using a weighing scale with a protective structure of the present embodiment, before using the weighing scale to weigh an object, start the bidirectional drive motor 108, use the gear reducer 112 to slow down the output speed, and then drive the two drive shafts 113 to rotate synchronously, thereby driving the rotating shaft 110 to rotate through the coupling 114, so that the cam 111 rotates at the inner bottom of the mounting base 106, so that the protrusion of the cam 111 applies force to the support plate 107, so that the support plate 107 rises inside the mounting base 106, thereby driving the support plate 103 to rise, so that there is a gap between the support plate 103 and the weighing sensor 102, so that the object is placed on When the load-bearing plate 103 is on the load-bearing plate 103, the vibration generated will not be transmitted to the weighing sensor 102, so as to avoid damage to the weighing sensor 102. When weighing, the bidirectional drive motor 108 is started, and the cam 111 is driven to rotate through the cooperation of the drive shaft 113 and the rotating shaft 110, so that the protrusion of the cam 111 is away from the bottom of the support plate 107, so that the support plate 107 descends in the mounting base 106, so that the load-bearing plate 103 contacts the weighing sensor 102, so as to use the weighing sensor 102 to weigh the object on the load-bearing plate 103, and the weighing data is displayed through the display 105 to complete the weighing measurement of the object.

[0029] Second embodiment:

[0030] Based on the first embodiment, please refer to Figure 4 , Figure 4 It is a partial structural schematic diagram of a weighing scale with a protective structure according to the second embodiment.

[0031] The utility model provides a weighing device with a protective structure, which also includes two auxiliary support members, each of which includes a fixing block 201 , a support block 202 and a support ring 203 .

[0032] According to this specific embodiment, the auxiliary support member is provided at one end of each driving shaft 113 away from the bidirectional driving motor 108, one end of the auxiliary support member is connected to the bottom of the base 101, and the other end of the auxiliary support member is arranged on the outside of the corresponding driving shaft 113. The auxiliary support member is used to auxiliary support the driving shaft 113, so that the structure of the driving shaft 113 is more stable when it rotates.

[0033] Among them, the fixing block 201 is fixedly provided at one end of the support block 202, and the support ring 203 is provided at the other end of the support block 202. After the support ring 203 is set outside the driving shaft 113, the fixing block 201 is fixed to the bottom of the base 101 to complete the installation of the auxiliary support member.

[0034] When using a weighing scale with a protective structure according to the present embodiment, after the support ring 203 is set on the outside of the drive shaft 113, the fixed block 201 is fixed to the bottom of the base 101 to complete the installation of the auxiliary support member. The drive shaft 113 is auxiliary supported by the auxiliary support member, so that the structure of the drive shaft 113 is more stable when it rotates.

[0035] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A weighing device with a protective structure, comprising a base, a weighing sensor, a bearing plate, a bracket and a display, wherein the upper surface of the base is provided with the weighing sensor, the upper surface of the weighing sensor is provided with the bearing plate, one side of the base is provided with the bracket, the bracket is mounted with the display, the display is communicatively connected with the weighing sensor, and universal wheels are provided at the four bottom corners of the bracket, characterized in that: Also includes a buffer protection mechanism; The buffer protection mechanism includes two mounting bases, two support plates and a bidirectional driving motor, the mounting bases are provided at both ends of the base, the support plates are slidingly provided inside the upper end of the mounting base, each of the support plates is connected to the bottom of the bearing plate at one end away from the corresponding mounting base, a cam is provided at the inner bottom of each mounting base for rotationally connecting with a rotating shaft, the protrusion of each cam is fitted with the bottom of the support plate, the bidirectional driving motor is also provided at the center of the bottom of the base, gear reducers are provided at both ends of the bidirectional driving motor, a driving shaft is provided at the output end of each gear reducer, a coupling is provided at one end of each driving shaft away from the bidirectional driving motor, and each coupling is respectively connected to one of the rotating shafts.

2. The weighing device with a protective structure as claimed in claim 1, characterized in that: Both sides of each mounting base are provided with fixed wing plates, and the fixed wing plates are detachably connected to the ends of the base.

3. The weighing device with a protective structure as claimed in claim 1, characterized in that: A connecting plate is provided on one side of each supporting plate away from the corresponding mounting base, and the connecting plate is connected to the bottom of the carrying plate.

4. The weighing device with a protective structure as claimed in claim 1, characterized in that: A protective frame is arranged around the upper surface of the carrying plate, and a pushing handle is arranged on a side of the base away from the bracket.

5. The weighing device with a protective structure as claimed in claim 1, characterized in that: The weighing scale with a protective structure also includes two auxiliary support members, and each of the driving shafts is provided with the auxiliary support member at one end away from the bidirectional driving motor, one end of the auxiliary support member is connected to the bottom of the base, and the other end of the auxiliary support member is provided on the outside of the corresponding driving shaft.

6. The weighing device with a protective structure as claimed in claim 5, characterized in that: Each of the auxiliary support members includes a fixed block, a support block and a support ring. The fixed block is fixedly arranged at one end of the support block, and the support ring is arranged at the other end of the support block. The support ring is arranged outside the drive shaft, and the fixed block is connected to the bottom of the base.