Assembly tool for interference fit type rectangular electric connector

By designing a combined tooling of rotary handles, pressing blocks, oblique wedges, base plates, positioning plates and inserts, the problem of lack of positioning and clamping of rectangular connectors during loading and adjusting the height is solved, and reliable clamping and high pass rate of the product are achieved.

CN223194212UActive Publication Date: 2025-08-05ZUNYI JINGXING AEROSPACE ELECTRICAL APPLIANCE
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421690713.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-17
Publication Date
2025-08-05
Estimated Expiration
2034-07-17

AI Technical Summary

Technical Problem

In the prior art, rectangular connectors lack positioning clamping during loading and adjusting heights, resulting in product tilting and affecting the pass rate.

Method used

The assembly tool consists of rotating handles, pressing blocks, oblique wedges, bottom plates, positioning plates, inserts and screws. Through the inclined clamping structure and self-locking design, it ensures that the product does not deviate during loading and adjusting the height.

Benefits of technology

It realizes reliable clamping of the product during loading and adjusting the height, avoids deflection, and improves the product's pass rate.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223194212U_ABST
    Figure CN223194212U_ABST
Patent Text Reader

Abstract

The utility model relates to an assembly tool for an interference fit type rectangular electric connector. The assembly tool comprises a rotary handle, a pressing block, an inclined wedge, a bottom plate, a positioning plate, an insert and a screw, the bottom plate is provided with a counterbore, and the counterbore is used for positioning the pressing block and the positioning block; the pressing block is of a rectangular hexahedron structure, a sinking groove is formed in the pressing block, an arc chamfer is arranged on the bottom face of the sinking groove, and a threaded through hole is formed in the bottom face of the sinking groove. The inclined wedge is arranged in the sinking groove and penetrates through the threaded through hole through the rotary handle to be fixed. The inclined wedge is provided with an inclined surface and two sinking grooves, one sinking groove is provided with an arc-shaped bottom surface, the other sinking groove is provided with a flat bottom surface, and the edge of one side of the inclined wedge is provided with a fillet; the positioning plate is of a T-shaped structure, a key groove is formed in the positioning plate, an insert is fixed in the key groove, and a plurality of insertion holes which are vertically through and matched with connector contact pieces are formed in the positioning plate; the insert is of an octahedral structure and is provided with four flat end faces. The rotating handle is of a four-section type stepped shaft structure.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to an interference fit rectangular electric connector assembly tool, belonging to the technical field of electric connector assembly. Background Art

[0002] Rectangular connectors are widely used in miniature devices due to their compact structure, reliable docking, high-density arrangement, and excellent solderability. For applications requiring high operating conditions, an interference fit between the base and the contacts is often used. However, existing technologies do not position and clamp the contacts during installation and height adjustment, resulting in tilting of the product during installation and height adjustment, leading to abnormal product height and low pass rates. Utility Model Content

[0003] The utility model aims to solve the technical problem that it can better position and clamp the product during the process of loading and height adjustment and can better ensure the height of the product.

[0004] The utility model adopts the following technical solutions:

[0005] An interference fit rectangular electrical connector assembly tool, comprising a rotary handle, a pressure block, a bevel, a base plate, a positioning plate, an insert and a screw; the base plate has a countersunk hole, which is used to position the pressure block and the positioning block; the pressure block is a rectangular hexahedron structure, with a sink groove on the pressure block, the bottom surface of the sink groove has a circular arc chamfer, and the bottom surface of the sink groove has a threaded through hole; the bevel is arranged in the sink groove and is fixed by the rotary handle passing through the threaded through hole; the bevel has an inclined surface, and the bevel has two sink grooves , one of the sinks has an arc-shaped bottom surface, the other has a flat bottom surface, and one side edge of the oblique wedge has a rounded corner; the positioning plate is a "T"-shaped structure, with a keyway on the positioning plate, an insert is fixed in the keyway, and a plurality of vertically penetrating holes matching the connector contacts are provided in the positioning plate; the insert is an octahedral structure, and the insert has four flat end surfaces; the rotary handle is a four-section stepped shaft structure, the first stepped shaft has a mesh pattern, and the second stepped shaft has a threaded feature.

[0006] Furthermore, the height between the upper end surface of the insert and the step surface of the positioning plate is used to control the height of the contact piece, and the upper end surface of the insert serves as the height positioning surface of the jack.

[0007] Furthermore, the pressing block has two threaded holes that match the countersunk holes of the base plate and is fixed to the base plate by screws.

[0008] Furthermore, the inclined wedge is assembled in the pressing block, with the inclined surface facing outward after assembly, the rotary handle is connected to the pressing block through a thread, and the fourth stepped shaft structure of the rotary handle is stuck in the first recessed groove of the inclined wedge to form a self-locking structure.

[0009] Furthermore, the handle, pressure block, wedge and bottom plate are made of 45# steel, and the surface is plated for rust prevention; the positioning plate is made of brass H62; the insert is made of forged steel DC53, and is quenched.

[0010] The beneficial effects of adopting the above technical solution are:

[0011] The utility model uses the upper end surface of the insert as the reference surface to ensure the height of the socket. The clamping of the product adopts an inclined clamping structure to ensure that the product does not deflect during the installation and height adjustment process and the clamping is reliable; the clamping part adopts a self-locking structure to ensure the safety of the clamp during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the assembly tooling structure of the interference fit rectangular electrical connector of the present invention.

[0013] Figure 2 for Figure 1 Top view.

[0014] Figure 3 This is a schematic diagram of the exploded structure of the assembly tooling for the interference fit rectangular electrical connector of the present invention.

[0015] Figure 4 The figure is a schematic diagram of the positioning plate structure of the interference fit rectangular electrical connector assembly tool of the present invention.

[0016] Figure 5 for Figure 4 Top view.

[0017] Figure 6 The figure is a schematic diagram of the pressing block structure of the interference fit rectangular electrical connector assembly tool of the present invention.

[0018] Figure 7 for Figure 6 Left view.

[0019] Figure 8 The figure is a schematic diagram of the oblique wedge structure of the assembly tool for the interference fit rectangular electrical connector of the present invention.

[0020] Figure 9 for Figure 8 Left view.

[0021] Figure 10 for Figure 8 Top view.

[0022] In the figure: 1-rotating handle, 2-pressing block, 3-oblique wedge, 4-base plate, 5-positioning plate, 6-insert, 7-screw, 21-pressing block groove, 22-arc chamfer of pressing plate groove, 23-threaded hole at the bottom of pressing plate groove, 31-oblique wedge inclined surface, 41-base plate countersunk hole, 51-positioning plate groove. DETAILED DESCRIPTION

[0023] The technical solution of the present invention is further described below, but the scope of protection claimed is not limited to the described solution.

[0024] like Figure 1-10 As shown, the utility model provides an interference fit rectangular electrical connector assembly tool, including a rotary handle 1, a pressure block 2, a bevel 3, a base plate 4, a positioning plate 5, an insert 6 and a screw 7; the base plate has a countersunk hole 41, and the countersunk hole 41 is used to position the pressure block 2 and the positioning block 5; the pressure block 2 is a rectangular hexahedron structure, and the pressure block 2 has a sinking groove 21, the bottom surface of the sinking groove 21 has a circular chamfer 22, and the bottom surface of the sinking groove 21 has a threaded through hole 23; the bevel 3 is arranged in the sinking groove 21 and is fixed by the rotary handle 1 passing through the threaded through hole 23; the bevel 3 has an inclined surface 3 1. The oblique wedge 3 has two recessed grooves, one of which has an arc-shaped bottom surface 32 and the other has a flat bottom surface 33. One side edge of the oblique wedge has a rounded corner 34. The positioning plate 5 is a "T"-shaped structure. The positioning plate 5 has a keyway 51, and an insert 6 is fixed in the keyway 51. The positioning plate 5 is provided with a plurality of vertically penetrating holes 52 that match the connector contacts. The insert 6 is an octahedral structure, and the insert 6 has four flat end surfaces. The handle is a four-section stepped shaft structure, the first stepped shaft has a mesh pattern, and the second stepped shaft has a threaded feature.

[0025] The height between the upper end surface of the insert 6 and the step surface of the positioning plate is used to control the height of the contact piece, and the upper end surface of the insert serves as the height positioning surface of the jack.

[0026] The pressing block 2 has two threaded holes that match the bottom plate countersunk holes 41 and is fixed to the bottom plate 4 by screws.

[0027] The inclined wedge 3 is assembled in the pressing block 2, and the inclined surface 31 faces outward after assembly. The handle 1 is connected to the pressing block 2 through a thread, and the fourth step shaft structure of the handle 1 is stuck in the first groove of the inclined wedge 3 to form a self-locking structure.

[0028] The handle 1, the pressure block 2, the wedge 3 and the bottom plate 4 are made of 45# steel, and the surface is plated for rust prevention; the positioning plate 5 is made of brass H62; the insert 6 is made of forged steel DC53 and is quenched.

[0029] The above description is merely a preferred embodiment of the present invention and is 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 within the scope of the claims of the present invention shall be within the scope of protection of the present invention.

Claims

1. An interference fit rectangular electrical connector assembly tool, characterized by: It comprises a rotary handle (1), a pressure block (2), a bevel (3), a base plate (4), a positioning plate (5), an insert (6) and a screw (7); the base plate has a countersunk hole (41), and the countersunk hole (41) is used to position the pressure block (2) and the positioning block (5); the pressure block (2) is a rectangular hexahedron structure, and the pressure block (2) has a sinking groove (21), the bottom surface of the sinking groove (21) has a circular arc chamfer (22), and the bottom surface of the sinking groove (21) has a threaded through hole (23); the bevel (3) is arranged in the sinking groove (21) and is fixed by the rotary handle (1) passing through the threaded through hole (23); the bevel (3) has an inclined surface (31), and the bottom surface of the bevel (31) is provided with a circular arc chamfer (22). The inclined wedge (3) has two recessed grooves, one of which has an arc-shaped bottom surface (32) and the other has a flat bottom surface (33), and one side edge of the inclined wedge has a rounded corner (34); the positioning plate (5) is a "T"-shaped structure, and has a keyway (51) on the positioning plate (5), and an insert (6) is fixed in the keyway (51), and a plurality of vertically penetrating jacks (52) that match the connector contact pieces are provided in the positioning plate (5); the insert (6) is an octahedral structure, and the insert (6) specifically has four flat end surfaces; the rotary handle is a four-section stepped shaft structure, the first stepped shaft has a mesh pattern, and the second stepped shaft has a thread feature.

2. The interference fit rectangular electrical connector assembly tool according to claim 1, characterized in that: The height of the upper end surface of the insert (6) from the step surface of the positioning plate is used to control the height of the contact piece, and the upper end surface of the insert is the height positioning surface of the socket.

3. The interference fit rectangular electrical connector assembly tool according to claim 1, characterized in that: The pressing block (2) has two threaded holes that match the bottom plate countersunk holes (41) and is fixed to the bottom plate (4) by screws.

4. The interference fit rectangular electrical connector assembly tool according to claim 1, characterized in that: The inclined wedge (3) is assembled in the pressing block (2), and after assembly, the inclined surface (31) faces outward. The rotary handle (1) is connected to the pressing block (2) through a thread, and the fourth step shaft structure of the rotary handle (1) is stuck in the first sink groove of the inclined wedge (3) to form a self-locking structure.

5. The interference fit rectangular electrical connector assembly tool according to claim 1, characterized in that: The handle (1), the pressing block (2), the wedge (3), and the bottom plate (4) are made of 45# steel, and the surface is plated for rust prevention; the positioning plate (5) is made of brass H62; the insert (6) is made of forged steel DC53, and is quenched.