Electronic balance with protective structure

Abstract

The utility model discloses an electronic balance with a protective structure, which belongs to the technical field of electronic balances and comprises a base, an electronic balance body arranged on the base and a protective cover assembled on the base. A containing cavity is formed in the base, a mounting groove is formed in the base, and a mounting block arranged on the protective cover is inserted into the mounting groove and connected with a buckle assembly arranged in the containing cavity in a buckled mode; the buckle assembly comprises a pull rod, a connecting rod and a clamping block, the pull rod is movably arranged on the base, the portion, arranged in the containing cavity, of the pull rod is sleeved with a spring, and the two ends of the connecting rod are hinged to a plate body arranged on the pull rod and the clamping block respectively; the part, extending out of the containing cavity, of the clamping block is connected with a clamping groove formed in the mounting block in a buckled mode. According to the utility model, the firmness and stability of the position of the mounted protective cover can be improved, and the phenomenon that the protective cover is separated from the base under the condition of direct pulling or collision is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic balances, in particular to an electronic balance with a protective structure. Background Art

[0002] People call the balance that uses electromagnetic force to balance the weight of the object being weighed an electronic balance. Its characteristics are accurate and reliable weighing, fast and clear display, automatic detection system, simple automatic calibration device, overload protection and other devices. Electronic balance is used to weigh the mass of objects. Its characteristics are accurate and reliable weighing, fast and clear display and automatic detection system. Electronic balance is used to weigh the mass of objects. Electronic balance generally uses strain sensors, capacitive sensors, electromagnetic balance sensors, strain sensors, simple structure, low cost, but limited accuracy. Electronic balance is a precision electronic measuring instrument that is highly sensitive to the environment, so it needs careful maintenance.

[0003] Chinese Utility Model Publication Specification CN210071121U discloses a protective cover for an easy-to-clean electronic balance. An electronic balance with a detachable protective cover is designed. The principle is that springs and fixed rods are symmetrically arranged inside the base, and a fixed handle is opened on the inner wall of the protective cover. When the protective cover is installed on the base, the bottom of the protective cover will be squeezed with the fixed rod, causing the fixed rod to retract and squeeze the spring at the same time. When one end of the fixed rod is aligned with the fixed handle, the spring rebounds to insert the fixed rod into the fixed handle. The protective cover is installed on the top of the base. When it needs to be removed, the protective cover can be directly lifted up. At this time, the fixed handle and the fixed rod are both V-shaped, so the fixed rod will be squeezed to retract during the upward movement of the protective cover, thereby removing the protective cover from the base.

[0004] However, the protective cover on the existing electronic balance is not stable enough after installation. If it is directly pulled or bumped, there is a risk that the protective cover will be separated from the base, and the internal electronic balance will be hit, which is not conducive to the protection of the electronic balance. Therefore, in response to the above-mentioned problems, a more stable electronic balance protection device is designed to solve the above-mentioned problems. Utility Model Content

[0005] The main purpose of the utility model is to solve the above-mentioned technical problems to a certain extent, and to provide an electronic balance with a protective structure, which can improve the firmness and stability of the position of the protective cover after installation, avoid the phenomenon of the protective cover being separated from the base when directly pulled or bumped, and better protect the electronic balance.

[0006] The above-mentioned problem to be solved by the utility model is achieved through the following technical solutions:

[0007] An electronic balance with a protective structure is proposed, comprising a base, an electronic balance body arranged on the base, and a protective cover covering the electronic balance body and assembled on the base; a receiving cavity is arranged inside the base and below the electronic balance body, and mounting grooves are arranged on both sides of the electronic balance body, wherein the mounting grooves are communicated with the receiving cavity, and a mounting block arranged at the bottom of the protective cover is inserted into the mounting grooves and is buckled and connected with a snap assembly movably arranged in the receiving cavity; the snap assembly comprises a pull rod, a connecting rod and a clamping block, the pull rod is movably arranged on the base, a spring is sleeved on the part of the pull rod placed in the receiving cavity, two ends of the connecting rod are respectively hinged to a plate body and a clamping block arranged on the pull rod, and a part of the clamping block extending out of the receiving cavity is buckled and connected with a clamping groove arranged on the mounting block.

[0008] In some embodiments, a baffle is provided inside the accommodating cavity, and the clamping block is attached to the baffle and moves along the length direction of the baffle.

[0009] In some embodiments, a positioning block is provided inside the accommodating cavity at a position at the end of the baffle, and the baffle abuts against the positioning block when the block is separated from the slot.

[0010] In some embodiments, a position limiting protrusion is provided at a portion of the clamping block located on one side of the accommodating cavity, and when the clamping block is engaged with the clamping slot, the position limiting protrusion abuts against an inner wall of the accommodating cavity.

[0011] In some embodiments, the end surfaces of the mounting block in contact with the clamping block are respectively provided with guiding inclined surfaces, and balls are provided on the guiding inclined surfaces of the mounting block.

[0012] In some embodiments, a pull button is provided at a portion of the pull rod located outside the base.

[0013] In some embodiments, the moving direction of the pull rod is perpendicular to the moving direction of the block.

[0014] In some embodiments, a handle is provided on the top of the protective cover.

[0015] The above technical solution provided by this application has the following advantages compared with the prior art:

[0016] The utility model provides a snap assembly in the base, wherein the snap block cooperates with the snap groove of the protective cover, so that the installed protective cover can be stably fixed on the base. After installation, it is not easy to fall off, and the assembly is firm, which avoids the phenomenon that the protective cover and the base are separated when directly pulled or bumped, thereby better protecting the electronic balance.

[0017] Furthermore, the clamping block is driven by the pull rod to disengage from the clamping slot, so that the protective cover can be conveniently disassembled from the base, thereby improving the convenience of assembling the protective cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] 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 the structures shown in these drawings without paying creative work.

[0019] Figure 1 The structural diagram of the electronic balance with a protective structure for this utility model;

[0020] Figure 2 This is a structural diagram of the buckle assembly of the utility model inside the base;

[0021] Figure 3 The figure is a structural diagram of an electronic balance with a protective structure for practical use.

[0022] Description of Figure Numbers:

[0023] 1-base; 2-electronic balance body; 3-protective cover; 4-accommodating chamber; 5-mounting slot; 6-mounting block; 7-buckle assembly; 701-pull rod; 702-connecting rod; 703-block; 704-spring; 705-plate; 706-baffle; 8-ball; 9-positioning block; 10-limiting protrusion; 11-handle; 12-slot; 13-pull button. DETAILED DESCRIPTION

[0024] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0025] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0026] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0027] like Figure 1-3 As shown, the utility model proposes an electronic balance with a protective structure, including a base 1, an electronic balance body 2 arranged on the base 1, and a protective cover 3 covering the electronic balance body 2 and assembled on the base 1; a receiving cavity 4 is provided inside the base 1 and below the electronic balance body 2, and mounting grooves 5 are provided on both sides of the base 1 located on the electronic balance body 2, wherein the mounting grooves 5 are communicated with the receiving cavity 4, and a mounting block 6 arranged at the bottom of the protective cover 3 is inserted into the mounting groove 5 and is buckled and connected with a buckle assembly 7 movably arranged in the receiving cavity 4.

[0028] Reference Figure 2 As shown, the buckle assembly 7 includes a pull rod 701, a connecting rod 702 and a clamping block 703. The pull rod 701 is movably arranged on the base 1, and a spring 704 is sleeved on the part of the pull rod 701 placed in the accommodating chamber 4. The two ends of the connecting rod 702 are respectively hinged to the plate body 705 and the clamping block 703 arranged on the pull rod 701. The part of the clamping block 703 extending out of the accommodating chamber 4 is buckled and connected with the clamping groove 12 arranged on the mounting block 6. Furthermore, a baffle plate 706 is arranged inside the accommodating chamber 4, and the clamping block 703 is in contact with the baffle plate 706 and moves along the length direction of the baffle plate 706.

[0029] In this embodiment, a snap assembly 7 is provided in the base 1, wherein the snap block 703 cooperates with the slot 12 of the protective cover 3, so that the installed protective cover 3 can be stably fixed on the base 1. After installation, it is not easy to fall off, and the assembly is firm, avoiding the protective cover 3 from falling off from the base 1 when directly pulled or bumped, thereby better protecting the electronic balance.

[0030] In the natural state, the two ends of the spring 704 respectively press against the plate body 705 and the inner wall of the accommodating chamber 4, thereby pushing the pull rod 701 forward, and the connecting rod 702 transfers the force of the pull rod 701 to the block 703 to push the block 703 to move and place its position in the installation groove 5. When assembling the protective cover 3, the mounting block 6 at the bottom of the protective cover 3 is aligned with the mounting groove 5 of the base 1 and inserted. The bottom of the mounting block 6 squeezes the block 703 into the interior of the accommodating chamber 4, and the block 703 moves on the baffle 706 and retracts into the accommodating chamber 4. At this time, the connecting rod 702 transfers the force of the block 703 to the pull rod 701, so that the pull rod 701 moves backward and squeezes the spring 704, wherein the moving direction of the pull rod 701 is consistent with the direction of the block 703. The moving direction is set vertically. With the insertion of the mounting block 6, the block 703 is slowly inserted into the slot 12 under the action of the spring 704 until the block 703 is completely inserted into the slot 12, completing the assembly of the protective cover 3; when removing the protective cover 3, pull the pull rod 701 outward. In order to facilitate the operation of the pull rod 701, a pull button 13 is provided at the position of the pull rod 701 outside the base 1, so that the pull rod 701 drives the connecting rod 702, and then the connecting rod 702 drives the block 703 to retract into the accommodating chamber 4, so that the block 703 is driven by the pull rod 701 to disengage from the slot 12, so that the protective cover 3 can be easily removed from the base 1, and then the pull rod 701 is released, and the block 703 is reset, thereby improving the convenience of assembling the protective cover 3.

[0031] In this embodiment, the end faces of the mounting block 6 contacting the clamping block 703 are respectively provided with guiding inclined surfaces, and balls 8 are provided on the guiding inclined surfaces of the mounting block 6. This structure improves the smoothness of the mounting block 6 when it is inserted into the mounting groove 5 and squeezes the clamping block 703.

[0032] Furthermore, in order to prevent the block 703 from being separated from the inner wall of the base 1 when it is retracted, a positioning block 9 is provided at the end of the baffle 706 inside the accommodating chamber 4, so that when the block 703 is retracted to the accommodating chamber 4 and disengaged from the slot 12, the baffle 706 and the positioning block 9 are abutted, and a limiting protrusion 10 is provided at the position of the block 703 on one side of the accommodating chamber 4. In the natural state and when the block 703 is engaged with the slot 12, the limiting protrusion 10 abuts against the inner wall of the accommodating chamber 4, so as to prevent the end of the block 703 extending into the installation slot 5 from colliding with the inner wall of the installation slot 5. In order to facilitate the taking of the protective cover 3, a handle 11 is provided on the top thereof.

[0033] The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An electronic balance with a protective structure, comprising a base, an electronic balance body arranged on the base, and a protective cover covering the electronic balance body and assembled on the base; characterized in that: A receiving cavity is provided inside the base and below the electronic balance body, and mounting grooves are provided on both sides of the electronic balance body, wherein the mounting grooves are communicated with the receiving cavity, and the mounting blocks provided at the bottom of the protective cover are inserted into the mounting grooves and are buckled and connected with the snap-fit ​​assembly movably provided in the receiving cavity; The buckle assembly includes a pull rod, a connecting rod and a clamping block. The pull rod is movably arranged on the base, and a spring is sleeved on the portion of the pull rod placed in the accommodating cavity. The two ends of the connecting rod are respectively hinged to the plate body and the clamping block arranged on the pull rod, and the portion of the clamping block extending out of the accommodating cavity is buckled and connected with a clamping groove arranged on the mounting block.

2. The electronic balance with a protective structure according to claim 1, characterized in that: A baffle is provided inside the accommodating cavity, and the clamping block is attached to the baffle and moves along the length direction of the baffle.

3. The electronic balance with a protective structure according to claim 2, characterized in that: A positioning block is provided at the end of the baffle plate in the accommodating cavity, and the baffle plate abuts against the positioning block when the clamping block is separated from the clamping slot.

4. The electronic balance with a protective structure according to claim 2, characterized in that: A position limiting protrusion is provided at a portion of the clamping block located on one side of the accommodating cavity, and when the clamping block is buckled with the clamping slot, the position limiting protrusion abuts against the inner wall of the accommodating cavity.

5. The electronic balance with a protective structure according to claim 1, characterized in that: The end surfaces of the mounting block contacting with the clamping block are respectively provided with guiding inclined surfaces, and balls are provided on the guiding inclined surfaces of the mounting block.

6. The electronic balance with a protective structure according to claim 1, characterized in that: A pull button is provided at the portion of the pull rod outside the base.

7. The electronic balance with a protective structure according to claim 1, characterized in that: The moving direction of the pull rod is perpendicular to the moving direction of the clamping block.

8. The electronic balance with a protective structure according to claim 1, characterized in that: A handle is arranged on the top of the protective cover.

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