A plug and socket assembly for a multi-socket electrical connector and a method of using the same
By combining a fixed component, a support component, a lifting block, and a cam component, the problem of high insertion resistance in the assembly of multi-pin electrical connectors is solved, achieving efficient and safe plug-socket mating and ensuring assembly accuracy and testing quality.
Patent Information
- Application Number
- CN202511453188.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-13
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2045-10-13
AI Technical Summary
In the prior art, the plug and socket assembly of multi-pin electrical connectors has a large insertion resistance, resulting in low assembly efficiency and difficulty in ensuring accuracy, and easy damage to the pins and sockets.
The device employs a combination of fixed components, support components, lifting blocks, and cam components. Through the cooperation of arc-shaped bands and double-ended studs, the cam mechanism enables precise docking and rapid disassembly of the plug.
It enables safe, quick, and precise connection between multi-hole plugs and sockets, avoiding damage caused by repeated insertion and removal of pins, and improving testing efficiency and accuracy.
Smart Images

Figure CN120914591B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of electronic component assembly, in particular to a plug and socket assembly device of a multi-hole electric connector and a use method thereof. BACKGROUND
[0002] A certain type of avionics product has a columnar shape, and a multi-hole socket electric connector is arranged in the middle of the columnar product. Since the columnar product has a large volume, supports are arranged at both ends. During product testing, a multi-pin plug matched for testing needs to be installed, as shown in FIGS. Figure 8 and 9 The control signal of the testing equipment enters the columnar product through the plug and socket, and the lower part of the testing plug is provided with a positioning pin and dozens of pins. Since a certain insertion resistance is generated when each group of pin holes is connected with the pins, and dozens of pin holes and pins are arranged on one product, the comprehensive resistance generated during connection is very large, which cannot be directly installed by manual force, the assembly efficiency is low, and it is difficult to ensure the installation precision. During a large number of tests, repeated plugging is easy to damage the pins or pin holes. There are assembly tools for electric connectors in the prior art, such as the assembly tool for electric connectors disclosed in CN218770517U, which is mainly used for up-down alignment of the pins and pin holes and cannot reduce the pin resistance, and is not suitable for dense pin assembly. Therefore, there is an urgent need to develop a device that can overcome the large insertion resistance, has high installation efficiency, and is not easy to damage the pins and pin holes. SUMMARY
[0003] The purpose of the present application is to overcome the shortcomings of the prior art and provide a plug and socket assembly device of a multi-hole electric connector and a use method thereof, which is convenient to use, ensures assembly precision, and improves assembly efficiency.
[0004] The technical solution adopted by the present application is as follows:
[0005] A plug and socket assembly device of a multi-hole electric connector, comprising a fixing assembly, a supporting assembly, a lifting block, a guide connecting shaft, and a cam assembly;
[0006] The fixing assembly comprises two arc-shaped buckles and a stud. The lower ends of the two arc-shaped buckles are provided with buckle buckles, and the upper ends are provided with pins. The middle parts of the two buckle buckles are provided with internal thread holes, the threads on the two ends of the stud are arranged in opposite directions, the two buckle buckles are arranged on the two ends of the stud through the internal thread holes, and the rotation of the stud causes the two buckle buckles to move towards or away from each other at the same time;
[0007] The support assembly comprises side plates, connecting plates and a top plate; the lower ends of the two side plates are oppositely provided with arc-shaped support side edges which are in close contact with the outer edges of the columnar products, and the middle parts of the outer sides of the arc-shaped support side edges are provided with connecting parts for connecting with the pins on the arc-shaped hoop; the upper middle parts of the two side plates are concentrically provided with a large cam assembly mounting hole and a small cam assembly mounting hole; the two end surfaces of the two side plates are vertically provided with guide long holes; the connecting plates are arranged at the two ends of the two side plates respectively, and the connecting plates are provided with guide long holes corresponding to the guide long holes on the side plates; the top plate is arranged at the upper ends of the two side plates, and the middle part of the top plate is provided with a limiting groove; the side plates, the connecting plates and the top plate form a frame structure.
[0008] The lower end of the lifting block is connected with the middle part of the electric connector plug through a screw, the lifting block is provided with a runway hole matched with the cam assembly, and the upper end of the lifting block is located in the limiting groove in the middle part of the top plate; the guide connecting shafts are respectively arranged in the connecting holes on the two ends of the electric connector plug, and the two ends of the guide connecting shafts are slidingly arranged in the corresponding guide long holes on the side plates and the connecting plates;
[0009] The cam assembly comprises a rotating shaft, a rotating table, a cam and a crank handle; the rotating table and the cam are arranged on the rotating shaft, the rotating shaft is arranged between the two side plates, the rotating table is rotationally arranged in the large cam assembly mounting hole on the side plate, the cam is located in the runway hole of the lifting block, the end of the rotating shaft is arranged in the small cam assembly mounting hole on the other side plate, and the crank handle is arranged on the front end of the rotating shaft.
[0010] Specifically, the arc-shaped hoop is a steel band, and the inner side of the arc-shaped hoop is provided with a non-slip pad; the non-slip pad is used to prevent displacement of the arc-shaped hoop and prevent the arc-shaped hoop from colliding with the outer edge of the columnar product; the two ends of the stud are both provided with a handle.
[0011] Specifically, the two ends of the two side plates are correspondingly provided with clamping grooves for mounting the connecting plates; the connecting parts on the arc-shaped support side edges of the two side plates are respectively provided as connecting ears and hooks; and the middle part of the side plate is provided with an observation hole.
[0012] More specifically, the pin at the upper end of the arc-shaped hoop connected with the hook is provided with a locking handle, and the locking handle and the hook on the side plate form a snap lock structure.
[0013] More specifically, the connecting plate is in an I-shaped structure, the middle part of the connecting plate is arranged in the clamping groove at the two ends of the two side plates, and the two end plates of the connecting plate are arranged in close contact with the outer sides of the two side plates and are connected by bolt clamping.
[0014] Specifically, the front end of the rotating shaft on the outer side of the rotating table is provided with a limiting stop ring, and the end of the rotating shaft is provided with a limiting shaft shoulder; the limiting stop ring and the limiting shaft shoulder prevent the rotating shaft from coming out; and the crank handle is connected with the rotating shaft through a key.
[0015] Specifically, the guide connecting shaft is a double-end internal thread cylindrical pin, and nuts are arranged in the internal thread holes at two ends, and the outer diameter of the nuts is larger than the outer diameter of the guide long hole, so that the guide connecting shaft is slidably arranged in the guide long hole at two ends.
[0016] A method for using a plug and socket assembly of a multi-hole electrical connector, the specific steps are:
[0017] S1: the electrical connector plug is placed from the lower side of the frame structure of the support assembly, the middle part of the electrical connector plug is connected with the lower end of the lifting block from the observation hole by using a screw, the guide connecting shaft is inserted into and passes through the connecting hole on the end of the electrical connector plug from the corresponding guide long hole at two ends of the side plate and the connecting plate, and the electrical connector plug is installed in the support assembly;
[0018] S2: the locking handle is disconnected with the corresponding hook connecting part, the distance between the two clasp buckles on the double-end stud is adjusted to the maximum, the assembly device is sleeved on the outer edge of the columnar product, and is moved to the corresponding position of the socket on the columnar product, the arc-shaped support side arc surface at the lower end of the two side plates is attached to the outer edge surface of the columnar product, and the large positioning pin and the small positioning pin on the plug can be slightly inserted after the accurate alignment of the corresponding positioning holes on the socket;
[0019] S3: the pin at the upper end of the arc-shaped clasp band with the locking handle is hung on the hook of the side plate and locked, the double-end stud is rotated by rotating the handle, the two clasp buckles on the double-end stud move towards each other, and the arc-shaped clasp band is fastened on the columnar product;
[0020] S4: the handle is rotated, the cam on the rotating shaft is rotated in the raceway hole of the lifting block, the lifting block moves vertically downward along the limiting groove, the lifting block drives the plug downward and generates pressure on the plug, and then drives the plug to rapidly press downward; the guide connecting shaft moves downward along the guide long hole to ensure the accurate butt joint of the plug, and the safe and smooth butt joint of the plug and the multi-hole socket on the columnar product is easily completed, after the plug is inserted in place, a test device is started to test;
[0021] S5: after the test on one columnar product is completed, the test device is disconnected, the handle is reversely rotated, the lifting block moves vertically upward along the limiting groove under the action of the cam, the plug is pulled out upward and completely separated from the socket, the arc-shaped clasp band is disconnected with the hook by rotating the locking handle, the double-end stud is rotated to drive the two clasp buckles to move in opposite directions, the distance between the two arc-shaped clasp bands is adjusted to be larger, and the assembly device is detached from the columnar product, and the next product is tested according to the above steps.
[0022] Due to the adoption of the technical scheme, the present application has the following advantages:
[0023] The assembling device and the using method thereof are safe, convenient, fast, labor-saving, can successfully complete the accurate butt joint of the multi-hole plug and socket, avoid the damage caused by repeated plugging and unplugging of the pin, complete various test work with the test equipment, ensure the test precision, and improve the detection efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 is the overall schematic diagram of the present application.
[0025] Figure 2 is the schematic diagram of the other side of the present application without a side plate.
[0026] Figure 3 is the structural schematic diagram of the side plate of the present application.
[0027] Figure 4 is the structural schematic diagram of the other side plate of the present application.
[0028] Figure 5 is the schematic diagram of the connecting plate of the present application.
[0029] Figure 6 is the schematic diagram of the lifting block of the present application.
[0030] Figure 7 is the schematic diagram of the cam assembly of the present application.
[0031] Figure 8 is the schematic diagram of the socket and the plug insertion surface of the electric connector of the present application.
[0032] Figure 9 is the schematic diagram of the plug of the present application.
[0033] Figure 10 is the schematic diagram of the columnar product of the present application.
[0034] Figure 11 is the schematic diagram of the installation of the assembling device of the present application on the columnar product.
[0035] In the figure: 1-arc-shaped hoop, 2-double-headed stud, 3-handle, 4-hoop buckle, 5-side plate, 6-arc-shaped supporting side edge, 7-connection part, 8-cam assembly mounting hole, 9-guiding long hole, 10-clamping groove, 11-observation hole, 12-connecting plate, 13-top plate, 14-lifting block, 15-racetrack hole, 16-guiding connecting shaft, 17-rotation shaft, 18-rotation table, 19-cam, 20-rotary handle, 21-limiting stop ring, 22-plug, 23-socket, 24-locking handle, 25-limiting shaft shoulder, 26-columnar product. DETAILED DESCRIPTION
[0036] The present invention will be further explained and described below with reference to the accompanying drawings and embodiments. However, this should not be construed as limiting the scope of protection of the present invention. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.
[0037] Combined with appendix Figures 1-11 The multi-hole plug electrical connector assembly device shown includes a fixing component, a support component, a lifting block 14, a guide connecting shaft 16, and a cam component.
[0038] The fixing component includes an arc-shaped band 1 and a double-ended stud 2; the arc-shaped band 1 is a steel band, and an anti-slip pad is provided on the inner side of the arc-shaped band; both arc-shaped bands 1 are provided with band buckles 4 at their lower ends and pins at their upper ends; the two band buckles 4 are provided with internal threaded holes in the middle, and the threads on both ends of the double-ended stud 2 are arranged in opposite directions. The two band buckles 4 are respectively set on both ends of the double-ended stud 2 through the internal threaded holes. The rotation of the double-ended stud 2 causes the two band buckles 4 to move towards each other or in opposite directions at the same time.
[0039] The support assembly includes side plates 5, connecting plates 12, and top plates 13. The lower ends of the two side plates 5 are provided with arc-shaped support sides 6 that fit against the outer edge of the columnar product. The outer middle of the arc-shaped support sides 6 is provided with a connecting part 7 for connecting with the pin on the arc-shaped band 1. The connecting part 7 is respectively configured as a connecting ear and a hook. The pin at the upper end of the arc-shaped band 1 connected with the hook is provided with a locking handle 24. The locking handle 24 and the hook on the side plate 5 form a snap-lock structure. The upper middle of the two side plates 5 is provided with a large and a small cam assembly mounting hole 8. The two end plates of the two side plates 5 are provided with vertical guide holes 9. The two ends of the two side plates 5 are provided with corresponding slots 10 for mounting the connecting plate 12. The middle of the side plate 5 is provided with an observation hole 11.
[0040] The connecting plate 12 has an I-shaped structure. The middle part of the connecting plate 12 is set in the slots 10 at both ends of the two side plates 5. The two end plates of the connecting plate 12 are respectively attached to the outer side of the two side plates 5 and connected by bolts. The connecting plate 12 is provided with guide holes 9 corresponding to the guide holes 9 on the side plates 5. The top plate 13 is set on the upper end of the two side plates 5. The top plate 13 is provided with a limit groove in the middle. The side plates 5, the connecting plate 12 and the top plate 13 form a frame structure.
[0041] The lower end of the lifting block 14 is connected to the middle of the electrical connector plug 22 by screws. The lifting block 14 is provided with a raceway hole 15 that cooperates with the cam assembly. The upper end of the lifting block 14 is located in the limiting groove in the middle of the top plate 13. The guide connecting shaft 16 is respectively inserted into the connecting holes on both ends of the electrical connector plug 22. The guide connecting shaft 16 is a double-headed internal thread cylindrical pin. Nuts are provided on the internal thread holes at both ends. The outer diameter of the nut is larger than the outer diameter of the guide elongated hole 9. The two ends of the guide connecting shaft 16 are slidably set in the corresponding guide elongated holes 9 on the side plate 5 and the connecting plate 12.
[0042] The cam assembly includes a rotating shaft 17, a rotating platform 18, a cam 19, and a crank handle 20. The rotating platform 18 and the cam 19 are both mounted on the rotating shaft 17. A limit ring 21 is provided on the front end of the rotating shaft 17 outside the rotating platform 18. The rotating shaft 17 passes between the two side plates 5. The rotating platform 18 is rotatably mounted in the large cam assembly mounting hole 8 on the side plate 5. The cam 19 is located in the raceway hole 15 of the lifting block 14. A limit shoulder 25 is provided on the end of the rotating shaft 17. The end of the rotating shaft 17 is located in the small cam assembly mounting hole 8 on the other side plate 5. The crank handle 20 is mounted on the front end of the rotating shaft 17 via a key.
[0043] A method for using a plug and socket assembly device for a multi-hole electrical connector, comprising the following steps:
[0044] S1: Insert the electrical connector plug 22 from the underside of the frame structure of the support assembly, and use screws to connect the middle part of the electrical connector plug 22 to the lower end of the lifting block 14 through the observation hole 11. Then, insert the guide connecting shaft 16 into the guide elongated holes 9 at both ends of the side plate 5 and the connecting plate 12 and pass through the connecting hole on the end of the electrical connector plug 22 to install the electrical connector plug 22 in the support assembly.
[0045] S2: Disconnect the locking handle 24 from the corresponding hook connection 7, adjust the distance of the buckle 4 on the double-headed stud 2 to the maximum, put the assembly device on the outer edge of the columnar product 26, and move it to the corresponding position of the socket 23 on the columnar product 26. The arc surface of the arc-shaped support side 6 at the lower end of the two side plates 5 is in contact with the outer edge of the columnar product. After adjusting the large positioning pin and small positioning pin on the plug 22 to be precisely aligned with the corresponding positioning hole on the socket 23, it can be slightly inserted.
[0046] S3: Hang the pin at the upper end of the arc-shaped band 1 with locking handle 24 on the hook of the side plate 5 and lock it. Rotate the handle 3 to drive the double-headed stud 2 to rotate. The two band buckles 4 on the double-headed stud 2 move towards each other and fasten the arc-shaped band 1 to the columnar product 26.
[0047] S4: Turn the crank handle 20, and the cam 19 on the rotating shaft 17 rotates in the raceway hole of the lifting block 14. The lifting block 14 moves vertically downward along the limiting groove. The lifting block 14 drives the plug 22 downward and applies pressure to the plug 22, thereby driving the plug 22 to press down quickly. The guide connecting shaft 16 moves down along the guide elongated hole 9 to ensure that the plug 22 is accurately connected. The plug 22 is easily and safely connected to the multi-hole socket 23 on the columnar product 26. After the plug is connected in place, turn on the test equipment to test.
[0048] S5: after completing the test on one columnar product, disconnect the test equipment, reverse rotate the handle 20, under the action of the cam 19, drive the lifting block 14 to move vertically upward along the limiting groove, pull the plug 22 upward to completely separate from the socket 23, rotate the locking handle 24 to separate the arc-shaped hoop belt 1 from the hook, then rotate the stud 2 to drive the two hoop belt buckles to move in opposite directions, increase the distance between the two arc-shaped hoop belts 1, and then disassemble the assembly device from the columnar product 26, and test the next product according to the above steps.
[0049] The parts of the application not described in detail are prior art.
[0050] The examples selected for use herein in disclosing the application objectives are presently considered to be preferred, but it is to be understood that the application is intended to include all variations and modifications that come within the scope and spirit of the concept and application.
Claims
1. A plug and socket assembly for a multi-socket electrical connector, characterised in that: The fixed assembly, the support assembly, the lifting block, the guide connecting shaft and the cam assembly are included. The fixed assembly includes two arc-shaped buckles and a stud bolt. The lower ends of the two arc-shaped buckles are provided with buckle buckles, and the upper ends are provided with pins. The middle parts of the two buckle buckles are provided with internal thread holes. The thread directions of the two ends of the stud bolt are opposite. The two buckle buckles are arranged on the two ends of the stud bolt through the internal thread holes. The rotation of the stud bolt makes the two buckle buckles move towards or away from each other at the same time. The support assembly includes side plates, a connecting plate and a top plate. The lower ends of the two side plates are oppositely provided with arc-shaped support side edges which are fitted with the outer edges of the columnar products. The middle parts of the outer sides of the arc-shaped support side edges are provided with connecting parts for connecting the pins on the arc-shaped buckles. The upper middle parts of the two side plates are concentrically provided with cam assembly mounting holes of different sizes. The two end plate surfaces of the two side plates are vertically provided with guide long holes. The connecting plate is arranged on the two ends of the two side plates. The connecting plate is provided with guide long holes corresponding to the guide long holes on the side plates. The top plate is arranged on the upper ends of the two side plates. The middle part of the top plate is provided with a limiting groove. The side plates, the connecting plate and the top plate form a frame structure. The lower end of the lifting block is connected to the middle part of the electric connector plug through a screw. The lifting block is provided with a runway hole matched with the cam assembly. The upper end of the lifting block is located in the limiting groove in the middle part of the top plate. The guide connecting shaft is arranged in the connecting holes on the two ends of the electric connector plug. The two ends of the guide connecting shaft are slidably arranged in the corresponding guide long holes on the side plates and the connecting plate. The cam assembly includes a rotating shaft, a rotating table, a cam and a crank. The rotating table and the cam are arranged on the rotating shaft. The rotating shaft is arranged between the two side plates. The rotating table is rotatably arranged in the large cam assembly mounting hole on the side plate. The cam is located in the runway hole of the lifting block. The end of the rotating shaft is arranged in the small cam assembly mounting hole on the other side plate. The crank is arranged on the front end of the rotating shaft.
2. The plug and socket assembly of a multi-socket electrical connector according to claim 1, wherein: The arc-shaped buckle is a steel belt. The inner side of the arc-shaped buckle is provided with a non-slip pad. The two ends of the stud bolt are provided with handles.
3. The plug and socket assembly of a multi-socket electrical connector according to claim 1, wherein: The two end parts of the two side plates are correspondingly provided with clamping grooves for mounting the connecting plate. The connecting parts on the arc-shaped support side edges of the two side plates are respectively provided as connecting ears and hooks. The middle part of the side plate is provided with an observation hole.
4. The plug and socket assembly of a multi-socket electrical connector according to claim 3, wherein: The pin on the upper end of the arc-shaped buckle connected with the hook is provided with a locking handle. The locking handle and the hook on the side plate form a snap lock structure.
5. The plug and socket assembly of a multi-socket electrical connector according to claim 3, wherein: The connecting plate is in an I-shaped structure. The middle part of the connecting plate is arranged in the clamping grooves on the two ends of the two side plates. The two end plates of the connecting plate are arranged in close contact with the outer sides of the two side plates and are connected by bolt clamping.
6. The plug and socket assembly of a multi-socket electrical connector of claim 1, wherein: The front end of the rotating shaft on the outer side of the rotating table is provided with a limiting stop ring. The end of the rotating shaft is provided with a limiting shaft shoulder. The limiting stop ring and the limiting shaft shoulder prevent the rotating shaft from coming out. The crank is connected with the rotating shaft through a key.
7. The plug and socket assembly of a multi-socket electrical connector of claim 1, wherein: The guide connecting shaft is a double-end internal thread cylindrical pin. The internal thread holes on the two ends are provided with nuts. The outer diameter of the nut is larger than the outer diameter of the guide long hole, so that the two ends of the guide connecting shaft are slidably arranged in the guide long hole.
8. A method of using a plug and socket assembly of a multi- bore electrical connector as claimed in any one of claims 1 to 7, characterised in that, The specific steps are as follows: S1: Put the electrical connector plug from the lower side of the frame structure of the support assembly, connect the middle part of the electrical connector plug with the lower end of the lifting block with screws from the observation hole, and then insert the guide connecting shafts from the corresponding guide long holes at both ends of the side plate and the connecting plate into the connecting holes on the end of the electrical connector plug, and install the electrical connector plug in the support assembly; S2: disconnect the locking handle from the corresponding hook connection part, adjust the distance between the two clasp buckles on the stud to the maximum, put the assembly device on the outer edge of the columnar product, and move it to the corresponding position of the socket on the columnar product, the arc-shaped support side arc surface at the lower end of the side plate is attached to the outer edge surface of the columnar product, and the large positioning pin and the small positioning pin on the plug are slightly inserted after precise alignment with the corresponding positioning holes on the socket; S3: hang the pin on the upper end of the arc-shaped clasp band with the locking handle on the hook of the side plate and lock it, rotate the handle to drive the stud to rotate, and move the two clasp buckles on the stud towards each other to tighten the arc-shaped clasp band on the columnar product; S4: rotate the crank handle, the cam on the rotating shaft rotates in the raceway hole of the lifting block, the lifting block moves vertically downward along the limiting groove, the lifting block drives the plug downward and generates pressure on the plug, and then drives the plug to press down quickly; the guide connecting shaft moves downward along the guide long hole to ensure the precise butt joint of the plug, and the safe and smooth butt joint of the plug and the multi-hole socket on the columnar product is easily completed, after the plug is inserted in place, the test equipment is started to test; S5: after completing the test on one columnar product, disconnect the test equipment, reverse rotate the crank handle, under the action of the cam, drive the lifting block to move vertically upward along the limiting groove, pull the plug upward and completely separate from the socket, rotate the locking handle to disconnect the arc-shaped clasp band from the hook, then rotate the stud to drive the two clasp buckles to move in opposite directions, increase the distance between the two arc-shaped clasp bands, and remove the assembly device from the columnar product, and test the next product according to the above steps.
Citation Information
Patent Citations
Butt joint mechanism of missile connector
CN114465050A
Electric connector and assembling method thereof
CN116667048A