Guide nail and guide hole synchronous fastening device suitable for electric connector

Abstract

The invention relates to the technical field of electric connectors, and discloses an electric connector guide nail and guide hole synchronous fastening device which comprises a cover plate, a shell, a gear and a wrench, the cover plate is arranged above the shell, a transverse 8-shaped counter bore structure is formed in the side face, opposite to the shell, of the cover plate, and the transverse 8-shaped counter bore structure is arranged in the transverse 8-shaped counter bore structure. A transverse 8-shaped counter bore structure is formed in the side face, opposite to the cover plate, of the shell, the gear extends into the cover plate and the shell and is located in the transverse 8-shaped counter bore structure, and the wrench extends into the gear. When the guide nail and the guide hole of the electric connector are fastened, a device to be mounted is mounted in the shell, the wrench is aligned with the guide hole and the guide hole, the wrench is rotated, torque is transmitted through the gear, and the purpose of synchronously fastening the guide nail and the guide hole of the electric connector is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of electric connectors, and in particular to a synchronous fastening device suitable for guide pins and guide holes of electric connectors. Background Art

[0002] Electrical connectors are bridges for transmitting information between components or systems and are a key link in information interaction.

[0003] The function of the power adapter box is to provide a path for electrical signal transmission and support the installation platform. The product is large in size and weight, and the installation operation space is narrow. The traditional electrical connector is tightened by rotating the guide pin and the guide pin alternately, and the degree of rotation is generally one or two buckles, which has low production efficiency. In addition, it is very easy to cause the guide pin and the guide hole to lock during operation, causing product rework and affecting the production quality of the product. The present invention designs a device that can meet the requirements of synchronous tightening of the guide pin and the guide hole of the electrical connector. Summary of the invention

[0004] The purpose of the present invention is to solve the problems in the prior art and to propose a synchronous fastening device suitable for guide pins and guide holes of an electrical connector.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A synchronous fastening device for guide pins and guide holes of an electrical connector comprises a cover plate, a shell, a gear and a wrench, wherein the cover plate is arranged above the shell, the cover plate is provided with an "∞" countersunk hole structure on one side relative to the shell, the shell is provided with an "∞" countersunk hole structure on one side relative to the cover plate, the gear extends to the cover plate and the shell respectively and is located inside the "∞" countersunk hole structure, the wrench extends to the inside of the gear and is assembled into the circular countersunk hole of the cover plate using a standard bearing; firstly, the standard bearings are respectively assembled into the circular countersunk holes of the shell, and then one end of the long axis of the gear is assembled into the inner hole of the bearing, and normal engagement between the gear teeth is ensured and the operation is flexible; one end of the cover plate bearing faces one end of the shell bearing, and the two are fastened using standard parts, but do not tighten them first; the wrench is inserted into the shell from the inner hole in the middle of the gear to the bottom, and the wrench is rotated to check whether the rotation is flexible, and then the standard parts are tightened.

[0006] Preferably, the shell is provided with a through hole at the center of the countersunk circle, and the four corners of the cover plate are respectively provided with threaded through holes and chamfered corners.

[0007] Preferably, the shell is configured as a rectangular parallelepiped structure, and a through hole is opened in the shell at the center of the countersunk circle.

[0008] Preferably, a long row of slots is provided on the other side of the shell, and four corners of the shell are respectively provided with semi-threaded bottom holes and chamfered corners.

[0009] Preferably, the cross section of the gear is arranged as a "Z"-shaped structure, and the gear matches the inner wall of the cover plate and the shell located in the "∞" countersunk structure respectively.

[0010] Preferably, the wrench is arranged in an "L" structure, and the wrench is arranged in a hexagonal structure, and the inner wall of the gear is provided with a through hole matching the wrench.

[0011] Compared with the prior art, the present invention provides a synchronous fastening device for guide pins and guide holes of an electrical connector, which has the following beneficial effects: 1. This device is suitable for synchronously tightening the guide pins and guide holes of the electrical connector. When tightening the guide pins and guide holes of the electrical connector, first install the device to be installed into the housing, align the wrench with the guide holes and the guide holes, rotate the wrench, and transmit the torque through the gears to achieve the purpose of synchronously tightening the guide pins and guide holes of the electrical connector.

[0012] 2. This device is suitable for synchronous fastening devices of guide pins and guide holes of electrical connectors. The bearings are respectively assembled into the "∞" structure of the cover plate through clearance fit to ensure flexible operation of the bearings. The height of the bearings cannot exceed the surface of the parts. The bearings are first assembled into the "∞" structure of the housing through clearance fit to ensure flexible operation of the bearings. Then one end of the long shaft of the gear is installed into the inner hole of the bearing. At the same time, the normal engagement and rotation of the gear teeth are ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of an embodiment of the present invention; Figure 2 is a schematic diagram of the cover structure; Figure 3 It is a schematic diagram of the shell structure.

[0014] Figure 4 It is a schematic diagram of the gear structure.

[0015] Figure 5 It is a schematic diagram of the wrench structure.

[0016] In the figure: 1 cover plate, 2 housing, 3 gear, 4 wrench. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0018] Reference Figure 1-5A synchronous fastening device for guide pins and guide holes of an electrical connector includes a cover plate 1, a shell 2, a gear 3 and a wrench 4. The cover plate 1 is arranged above the shell 2. The cover plate 1 has an "∞" countersunk hole structure on one side relative to the shell 2. The shell 2 has an "∞" countersunk hole structure on one side relative to the cover plate 1. The gear 3 extends to the inside of the "∞" countersunk hole structure of the cover plate 1 and the shell 2 respectively, and the wrench 4 extends to the inside of the gear 3.

[0019] Assemble the three bearings into the "∞" structure of the cover plate 1 through clearance fit to ensure that the bearings can run flexibly and the bearing height cannot exceed the surface of the parts; first, assemble the three bearings into the "∞" structure of the housing 2 through clearance fit to ensure that the bearings can run flexibly, and then install one end of the long axis of the three gears 3 into the inner hole of the bearing, and at the same time ensure that the three gears 3 are normally engaged and rotated; use 4 sets of standard parts to tighten and assemble the cover plate 1 and the housing 2, but do not tighten the standard parts first; insert two wrenches 4 from the inner hole of the gear 3 to the bottom of the housing 2, turn the wrench 4, and tighten the standard parts after the gear 3 runs normally.

[0020] When tightening the guide pins and guide holes of the electrical connector, first install the device to be installed into the housing 2, align the wrench 4 with the guide holes and the guide holes, rotate the wrench 4, and transmit the torque through the gear 3 to achieve the purpose of synchronously tightening the guide pins and guide holes of the electrical connector.

[0021] Combination Figure 2-3 The cover plate 1 is a rectangular parallelepiped structure, which is machined with hard aluminum and hard anodized on the surface. The shell 2 is provided with a through hole at the center of the countersunk circle. The shell 2 is set as a rectangular parallelepiped structure, which is machined with hard aluminum and hard anodized on the surface. The shell 2 is provided with a through hole at the center of the countersunk circle, and a long row of slots is provided on the other side of the shell 2, which is used to fasten the positioning and support of the guide pins and guide holes of the electrical connector; the four corners of the cover plate 1 are provided with threaded through holes and chamfered corners, and the four corners of the shell 2 are provided with semi-threaded bottom holes and chamfered corners.

[0022] Combination Figure 4 The cross section of gear 3 is set as a "Z"-shaped structure, and stainless steel is used for machining. In order to ensure mechanical strength, gear 3 is heat treated with HRC38~HRC42, and the surface is hard anodized. The number of teeth, module, pressure angle, etc. of gear 3 are designed, and the length of the support shaft at both ends is specified according to assembly requirements. Gear 3 matches the inner wall of the "∞" countersunk structure of cover plate 1 and housing 2 respectively.

[0023] Combination Figure 5The wrench 4 is set to an "L" structure and is machined with stainless steel. In order to ensure mechanical strength, the wrench 4 is heat treated with HRC38~HRC42 and the surface is hard anodized. The wrench 4 is set to a hexagonal structure, and the inner wall of the gear 3 is provided with a through hole matching the wrench 4.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A synchronous fastening device for guide pins and guide holes of an electrical connector, comprising a cover plate (1), a housing (2), a gear (3) and a wrench (4), characterized in that: The cover plate (1) is arranged above the shell (2); a side of the cover plate (1) relative to the shell (2) is provided with an "∞" countersunk hole structure; a side of the shell (2) relative to the cover plate (1) is provided with an "∞" countersunk hole structure; the gear (3) extends to the inside of the "∞" countersunk hole structure of the cover plate (1) and the shell (2) respectively; and the wrench (4) extends to the inside of the gear (3).

2. A synchronous fastening device for guide pins and guide holes of an electrical connector according to claim 1, characterized in that: The shell (2) is provided with a through hole at the centre of the countersunk circle, and the four corners of the cover plate (1) are respectively provided with threaded through holes and chamfered corners.

3. The synchronous fastening device for guide pins and guide holes of an electrical connector according to claim 1, characterized in that: The shell (2) is configured as a rectangular parallelepiped structure, and the shell (2) is provided with a through hole located at the center of the countersunk circle.

4. The synchronous fastening device for guide pins and guide holes of an electrical connector according to claim 1, characterized in that: The other side of the shell (2) is provided with a long row of slots, and the four corners of the shell (2) are respectively provided with semi-threaded bottom holes and chamfered corners.

5. The synchronous fastening device for guide pins and guide holes of an electrical connector according to claim 1, characterized in that: The cross section of the gear (3) is arranged as a "Z"-shaped structure, and the gear (3) matches the inner wall of the cover plate (1) and the housing (2) located in the "∞" countersunk hole structure respectively.

6. A synchronous fastening device for guide pins and guide holes of an electrical connector according to claim 1, characterized in that: The wrench (4) is configured as an "L" structure, and the wrench (4) is configured as a hexagonal structure, and the inner wall of the gear (3) is provided with a through hole matching the wrench (4).

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