Lining framework of passive measuring tape

Abstract

The utility model discloses a passive measuring tape lining framework which comprises a bottom plate, a right side upper rib plate, a right side guide strip, a right side lower rib plate, a left side upper rib plate, a left side guide strip, a left side lower rib plate, a circuit board, an isolation column and a circuit board device. The left side lower rib plate and the right side lower rib plate are arranged on the two sides below the bottom plate, the left side upper rib plate and the right side upper rib plate are arranged on the two sides above the bottom plate, and the left side and the right side have limiting functions. The left guide strip and the right guide strip are arranged at the two ends of the bottom plate respectively, and the left side and the right side have guide functions. The circuit board is installed on the bottom plate and located between the left side upper rib plate and the right side upper rib plate, and components are welded to the circuit board. According to the passive measuring tape lining framework, the upper left rib plate, the lower right rib plate and the lower left rib plate are additionally arranged, the lining strength is enhanced, in the production process, after a circuit board is fixed by the lining framework, the lining plate framework is not bent in the manual taking and carrying process, and electronic components and copper-clad plates on the circuit board are not damaged. The product percent of pass is improved and the hidden cost is reduced.

Description

Technical Field

[0001] The utility model relates to a passive measuring ruler lining, in particular to a passive measuring ruler lining skeleton. Background Art

[0002] The inner lining board of the current passive measuring ruler is a flat plate. During the production process, after the circuit board is fixed on the inner lining board, it bends significantly during manual handling. The forced bending of the circuit board causes cracking at the solder pins of electronic components on the circuit board and warping of the copper clad laminate. This results in increased product rejection rates and increased costs. Utility Model Content

[0003] The utility model provides a passive measuring ruler lining frame, which enables the circuit board to be fixed in the lining frame during the production process, thereby ensuring that the lining frame and the circuit board fixed thereon are safe and reliable and will not be damaged, thereby avoiding the increase of costs.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A passive ruler lining frame includes a base plate, a right upper rib plate, a right guide strip, a right lower rib plate, a left upper rib plate, a left guide strip, a left lower rib plate, a circuit board, an isolation column, and a circuit board component; the left lower rib plate and the right lower rib plate are arranged on both sides below the base plate, and the left upper rib plate and the right upper rib plate are arranged on both sides above the base plate, with the left and right sides each having a limiting function; the left guide strip and the right guide strip are respectively arranged at both ends of the base plate, with the left and right ends each having a guiding function; the circuit board is mounted on the base plate, located between the left upper rib plate and the right upper rib plate, and components are welded on the circuit board.

[0006] As a preferred embodiment of the above solution, it further includes a sheath, which is sleeved on the outer side of the base plate.

[0007] As a preferred embodiment of the above solution, the circuit board is connected to the base plate through isolation columns.

[0008] As a preferred embodiment of the above solution, a mounting hole is opened on the bottom plate, and the isolation column is installed through the mounting hole.

[0009] As a preferred embodiment of the above solution, the distance between the left lower rib plate and the right lower rib plate is greater than the distance between the left upper rib plate and the right upper rib plate.

[0010] As a preferred embodiment of the above solution, the right upper rib plate, the right lower rib plate, the left upper rib plate and the left lower rib plate are all reinforced rib plates.

[0011] Due to the above structure, the beneficial effects of the utility model are:

[0012] The passive measuring ruler lining frame of this application features upper and lower left and right ribs to enhance the lining strength. After the lining frame secures the circuit board during production, it prevents bending during manual handling, preventing damage to the electronic components and copper-clad laminate on the circuit board. This improves product qualification rates and reduces hidden costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments.

[0014] Figure 1 It is a cross-sectional schematic diagram of the utility model;

[0015] Figure 2 Schematic diagram of the inner lining frame of the utility model being placed in the sheath;

[0016] Figure 3 This is a schematic diagram of stacking layers during the production process of the present invention. DETAILED DESCRIPTION

[0017] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] like Figures 1 to 3 As shown, this embodiment provides a passive measuring ruler lining frame, including a base plate 1, a right upper rib plate 2, a guide bar 3, a right lower rib plate 4, a left upper rib plate 5, a guide bar 6, a left lower rib plate 7, a circuit board 8, an isolation column 9, components 10, a mounting hole 11, and a sheath 12.

[0019] in:

[0020] The left lower rib plate 7 and the right lower rib plate 4 are arranged on both sides below the bottom plate 1, and the left upper rib plate 5 and the right upper rib plate 2 are arranged on both sides above the bottom plate 1, and each of the left and right sides has a limiting function.

[0021] The left guide bar 6 and the right guide bar 3 are respectively arranged at both ends of the bottom plate 1, and the left and right ends respectively have a guiding function.

[0022] The base plate 1 is provided with a mounting hole 11 , and the isolation column 9 is mounted through the mounting hole 11 .

[0023] The circuit board 8 is connected to the bottom plate 1 through the isolation column 9 and is located between the left upper rib plate 5 and the right upper rib plate 2. Components 10 are welded on the circuit board 8.

[0024] The sheath 12 is sleeved on the outside of the base plate 1 to protect the circuit board 8 and the components 10 thereon.

[0025] In this embodiment, the distance between the left lower rib plate 7 and the right lower rib plate 4 is greater than the distance between the left upper rib plate 5 and the right upper rib plate 2, which facilitates stacking and locking without slipping during production.

[0026] In this embodiment, the right upper rib 2, the right lower rib 4, the left upper rib 5, and the left lower rib 7 are all reinforcing ribs, which are resistant to bending. During production and transportation, the entire (1915mm) lining frame will not bend, ensuring that the welding joints of the components 10 welded on the fixed circuit board 8 will not be torn.

[0027] The working principle of the above structure is:

[0028] During assembly, the lining frame is placed flat on the workbench, each isolation column 9 is buckled onto the mounting hole 11, and the mounting holes on the circuit board 8 are connected to the isolation column 9 and fixed. Five circuit boards 8 are fixed to each lining frame. After each lining frame and circuit board are assembled, the lining frame is supported by upper and lower ribs to prevent deformation during transportation, and the stacked placement facilitates storage and management of production materials.

[0029] Without the passive measuring scale liner frame of this embodiment, the circuit board is directly fastened to the flat liner via spacers. During transportation, the assembled flat liner and circuit board will bend severely, and the circuit board will bend and deform along with it. This bending and deformation of the circuit board can cause cracks at the solder joints of components on it, resulting in test failures and rework that seriously impacts workflow changes. The finished flat liner requires spacers to hold the circuit boards, and is also prone to slipping.

[0030] With the passive measuring ruler lining frame of this embodiment, after each lining frame is assembled with the circuit board, the lining frame can be transported with the upper and lower ribs to support it without deformation, and the stacking facilitates storage and management of production materials, thereby improving work efficiency and reducing production costs.

[0031] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A passive measuring ruler lining frame, characterized by: It comprises a bottom plate (1), a right upper rib plate (2), a right guide bar (3), a right lower rib plate (4), a left upper rib plate (5), a left guide bar (6), a left lower rib plate (7), a circuit board (8), an isolation column (9), and components (10); The left lower rib plate (7) and the right lower rib plate (4) are arranged on both sides below the bottom plate (1); the left upper rib plate (5) and the right upper rib plate (2) are arranged on both sides above the bottom plate (1); and the left and right sides each have a limiting function; The left guide strip (6) and the right guide strip (3) are respectively provided at both ends of the bottom plate (1), and the left and right ends respectively have a guiding function; The circuit board (8) is mounted on the bottom plate (1) and is located between the left upper rib plate (5) and the right upper rib plate (2). Components (10) are welded on the circuit board (8).

2. The passive measuring ruler lining frame according to claim 1, characterized in that: It also includes a protective sheath (12) which is sleeved on the outside of the bottom plate (1).

3. The passive measuring ruler lining frame according to claim 1, characterized in that: The circuit board (8) is connected to the base plate (1) via an isolation column (9).

4. The passive measuring ruler lining frame according to claim 1, characterized in that: The base plate (1) is provided with a mounting hole (11), and the isolation column (9) is mounted through the mounting hole (11).

5. The passive measuring ruler lining frame according to claim 1, characterized in that: The distance between the left lower rib plate (7) and the right lower rib plate (4) is greater than the distance between the left upper rib plate (5) and the right upper rib plate (2).

6. The passive measuring ruler lining frame according to claim 1, characterized in that: The right upper rib plate (2), the right lower rib plate (4), the left upper rib plate (5), and the left lower rib plate (7) are all reinforced rib plates.

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