CN107437717A - Z-type terminal high speed contact pin mechanism - Google Patents
Z-type terminal high speed contact pin mechanism Download PDFInfo
- Publication number
- CN107437717A CN107437717A CN201610568725.XA CN201610568725A CN107437717A CN 107437717 A CN107437717 A CN 107437717A CN 201610568725 A CN201610568725 A CN 201610568725A CN 107437717 A CN107437717 A CN 107437717A
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- China
- Prior art keywords
- terminal
- cam
- glue core
- swing rod
- cuts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 94
- 239000003292 glue Substances 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims description 15
- 238000005520 cutting process Methods 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 244000309464 bull Species 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000033001 locomotion Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
- H01R43/24—Assembling by moulding on contact members
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a kind of Z-type terminal high speed contact pin mechanism, it includes servo motor, motor fixed mechanism, timing belt, terminal cuts interposer, terminal feed mechanism, cam main shaft mechanism, terminal runner, glue core positioning and driving mechanism, servo motor is fixed with motor fixed mechanism, motor fixed mechanism is located at the side of timing belt, one end of timing belt and servo motor rotating shaft connect, terminal cuts the top that interposer is located at terminal feed mechanism, terminal feed mechanism is located at terminal and cut between interposer and terminal runner, cam main shaft mechanism is located at the lower section of motor fixed mechanism and is connected with the other end of timing belt, terminal runner is located at the lower section of terminal feed mechanism, glue core positioning and driving mechanism is located at the side of terminal runner.The present invention can effectively realize automation mechanized operation, improve production efficiency, ensure product quality.
Description
Technical field
The present invention relates to a kind of contact pin mechanism, more particularly to a kind of Z-type terminal high speed contact pin mechanism.
Background technology
After terminal is pre-loaded into glue core by operator by hand, then it is placed in the tool fixture of auxiliary and is pressed into.Prior art is present
Following shortcoming：First, it is necessary to manual operation；Second, low production efficiency.3rd, product quality depends on the training degree of worker,
So cause unstable.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of Z-type terminal high speed contact pin mechanism, and it can be effectively real
Existing automation mechanized operation, improves production efficiency, ensures product quality.
The present invention is that solve above-mentioned technical problem by following technical proposals：A kind of Z-type terminal high speed contact pin mechanism,
Characterized in that, it include servo motor, motor fixed mechanism, timing belt, terminal cut interposer, terminal feed mechanism,
Cam main shaft mechanism, terminal runner, glue core positioning and driving mechanism, servo motor are fixed with motor fixed mechanism, and motor fixes machine
Structure is located at the side of timing belt, and one end of timing belt and servo motor rotating shaft connect, and terminal cuts interposer and is located at
The top of terminal feed mechanism, terminal feed mechanism are located at terminal and cut between interposer and terminal runner, cam main shaft machine
Structure is located at the lower section of motor fixed mechanism and is connected with the other end of timing belt, and terminal runner is located under terminal feed mechanism
Side, glue core positioning and driving mechanism are located at the side of terminal runner；
The cam main shaft mechanism includes terminal feeding cam, terminal cuts double-track cam, terminal insertion cam, glue core convex
Wheel, inductor, bearing, terminal feeding cam, terminal cut double-track cam, glue core positioning cam, cam, inductor and are sequentially sleeved in
On bearing；
The terminal, which cuts interposer, includes the first swing rod, upper cutting knife, the second swing rod, lower grip block, connecting rod, the first pendulum
Connected between bar and upper cutting knife by connecting rod, the second swing rod is connected with lower grip block, and lower grip block is located under upper cutting knife
Side, the first swing rod, the second swing rod cut the both sides of double-track cam positioned at terminal respectively；
The terminal feed mechanism includes projection, the 3rd swing rod, rotary shaft, terminal material hole pilot pin, spring, side plate, the 3rd pendulum
One end of bar cuts the side of double-track cam with rotation axis connection and positioned at terminal, and side plate is located under the other end of the 3rd swing rod
Side, projection is connected with the other end of the 3rd swing rod and positioned at the outside of side plate 36, terminal material hole pilot pin, spring are all located at side plate
On, side plate is located at the side of bearing；
The glue core positioning and driving mechanism includes contiguous block, lever, fulcrum, commutator, glue core locating piece, and contiguous block is determined with glue core
Position cam connection, one end of lever are connected with contiguous block, and fulcrum is enclosed on lever, the other end connection of commutator and lever, glue
Core locating piece is located at the side of commutator.
Preferably, the servo motor, motor fixed mechanism, terminal cut interposer, terminal feed mechanism, cam master
Axis mechanism, glue core positioning and driving mechanism are all installed on a casing.
Preferably, the terminal runner is bull flow passage system.
Preferably, the surface of terminal material hole pilot pin is provided with positioning hole.
The positive effect of the present invention is：The present invention can effectively realize automation mechanized operation, improve production efficiency,
Ensure product quality.
Brief description of the drawings
Fig. 1 is the structural representation of Z-type terminal high speed contact pin mechanism of the present invention.
Fig. 2 is the structural representation for cutting interposer.
Fig. 3 is the structural representation of feed mechanism.
Fig. 4 is the structural representation of cam main shaft mechanism.
Fig. 5 is the structural representation of glue core positioning and driving mechanism.
Embodiment
Present pre-ferred embodiments are provided below in conjunction with the accompanying drawings, to describe technical scheme in detail.
As shown in figure 1, Z-type terminal high speed contact pin mechanism of the present invention includes servo motor 1, motor fixed mechanism 2, timing belt
3rd, terminal cuts interposer 4, terminal feed mechanism 5, cam main shaft mechanism 6, terminal runner 7, glue core positioning and driving mechanism 8,
Servo motor 1 is fixed with motor fixed mechanism 2, and motor fixed mechanism 2 is located at the side of timing belt 3, and one end of timing belt 3 is with watching
The rotating shaft connection of motor 1 is taken, terminal cuts the top that interposer 4 is located at terminal feed mechanism 5, terminal feed mechanism 5
Cut positioned at terminal between interposer 4 and terminal runner 7, cam main shaft mechanism 6 be located at the lower section of motor fixed mechanism 2 and with
The other end connection of timing belt 3, terminal runner 7 are located at the lower section of terminal feed mechanism 5, and glue core positioning and driving mechanism 8 is positioned at end
The side in subflow road 7.Servo motor 1, motor fixed mechanism 2, terminal cut interposer 4, terminal feed mechanism 5, cam master
Axis mechanism 6, glue core positioning and driving mechanism 8 are all installed on a casing 10, so increase stability.Motor fixed mechanism 2
Side view is triangle, and centre is provided with groove, and servo motor can be installed and fixed to groove.
As shown in figure 4, the cam main shaft mechanism 6 includes terminal feeding cam 41, terminal cuts double-track cam 42, terminal
Insert cam 43, glue core positioning cam 44, inductor 45, bearing 46, terminal feeding cam 41, terminal cut double-track cam 42,
Glue core positioning cam 44, cam 43, inductor 45 are sequentially sleeved on bearing 46.One is additionally provided with the cam main shaft mechanism 6
Roller bearing 47, the other end of timing belt 3 are connected with roller bearing 47.Inductor is before the startup of each mechanism, and whether inductor detection main shaft
Origin.Terminal cuts the power cut with holding action that double-track cam is mainly responsible for terminal.Terminal feeding cam 41, glue core are determined
Position cam 44 is all plane roller translation cam；Terminal cuts double-track cam 42, terminal insertion cam 43 is all space cylinder rolling
Sub- oscillating cam.
As shown in Fig. 2 the terminal cut interposer 4 include the first swing rod 21, upper cutting knife 22, the second swing rod 23,
Lower grip block 24, connecting rod 25, connected between the first swing rod 21 and upper cutting knife 22 by connecting rod 25, the second swing rod 23 and lower folder
Hold block 24 to connect, lower grip block 24 is located at the lower section of upper cutting knife 22, and the first swing rod 21, the second swing rod 23 are cut out positioned at terminal respectively
Cut the both sides of double-track cam 42.When bearing 46 rotates, terminal cuts double-track cam 42 by being cut in the drive of the first swing rod 21
Knife 22 cuts downwards terminal, and terminal, which cuts double-track cam 42 and drives lower grip block 24 to clamp up by the second swing rod 23, to be held
Son.
As shown in figure 3, the terminal feed mechanism 5 includes projection 31, the 3rd swing rod 32, rotary shaft 33, terminal material Kong Ding
Position pin 34, spring 35, side plate 36, one end of the 3rd swing rod 32 is connected with rotary shaft 33 and cuts double-track cam 42 positioned at terminal
Side, side plate 36 are located at below the other end of the 3rd swing rod 32, and projection 31 is connected with the other end of the 3rd swing rod 32 and is located at side
The outside of plate 36, terminal material hole pilot pin 34, spring 35 are all located on side plate 36, and side plate 36 is located at the side of bearing 46.Work as axle
When holding 46 rotation, terminal material hole pilot pin 34 contacts with terminal feeding cam 41, drives terminal material hole pilot pin 34 to move along a straight line
So as to convey terminal.After the completion of terminal feeding, terminal cuts double-track cam 42 and drives the 3rd swing rod 32 to rotate, by connecting therewith
The projection 31 connect, which will move downward, passes to terminal material hole pilot pin 34, is allowed to depart from material strip, then terminal material hole pilot pin
34 retreat, and return to origin, and wait circulates next time.
As shown in figure 5, the glue core positioning and driving mechanism 8 includes contiguous block 51, lever 52, fulcrum 53, commutator 54, glue
Core locating piece 55, contiguous block 51 are connected with glue core positioning cam 44, and one end of lever 52 is connected with contiguous block 51, and fulcrum 53 is enclosed on
On lever 52, commutator 54 is connected with the other end of lever 52, and glue core locating piece 55 is located at the side of commutator 54.Commutator 54
Change so as to which the swing on lever 52 to be converted into the linear motion of glue core locating piece 55, so as to position glue core.
The operation principle of the present invention is as follows：The servo motor provides power source, ensures the steady of mechanism start and stop
Property.The motor fixed mechanism is arranged on the outside of servo motor, so fixed servo motor.The timing belt increase motor
Contribute, so ensure the precision that motion is transmitted.Terminal cut interposer by terminal cut double-track cam, terminal insert cam
Driving,
Terminal cuts the vertical movement of the upper cutting knife of double-track cam control and lower grip block.After the completion for the treatment of that terminal clamping is cut, by
Terminal inserts cam and terminal is inserted into glue in-core parallel to major axes orientation.The terminal feed mechanism is carried by terminal feeding cam
For the feeding displacement of terminal, double-track cam is cut by terminal to make terminal hole separate and insert with terminal material hole pilot pin, so
It ensure that pushing precision.The cam main shaft mechanism ensure that the sequential of each output campaign mechanism by each cam, so pass
Dynamic stability.Glue core detent mechanism provides power by plastic roll core positioning cam, exports the motion of vertical direction, passes through changing for commutator
Become so as to which the swing on lever to be converted into the linear motion of glue core locating piece 55, so as to position glue core.
The transmission power of the timing belt is 200KW, such transmission efficiency.
The terminal runner is bull flow passage system, and such molten condition is kept as more preferably.
The swing cylindrical space cam passes through five multiple formula trajectory calculations, so ensures the steady of high speed per hour motion
Property.
The surface of the terminal material hole pilot pin is provided with positioning hole, and such precision is higher.
In summary, after glue core locating piece first positions glue core, terminal is cut and clamped by upper cutting knife with lower grip block
Cheng Hou, travel forward and insert the terminal into glue in-core, so as to which the present invention fast and accurately inserts Z-type terminal in glue core body.This
Mechanism solved from root terminal needle inserting can only rely on by hand prepackage after, then with auxiliary mould fixture be pressed into technical barrier, pole
Big improves production efficiency, realizes Unmanned operation, dramatically saves on human cost.The present invention realizes that Z-type terminal is inserted
Enter glue core process realize it is unmanned, improve production efficiency, ensure production stability, lifted product quality, save enterprise into
This.
Particular embodiments described above, technical problem, technical scheme and the beneficial effect of the solution to the present invention are carried out
It is further described, should be understood that the specific embodiment that the foregoing is only of the invention, be not limited to
The present invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., it should be included in this
Within the protection domain of invention.
Claims (5)
- A kind of 1. Z-type terminal high speed contact pin mechanism, it is characterised in that it include servo motor, motor fixed mechanism, timing belt, Terminal cuts interposer, terminal feed mechanism, cam main shaft mechanism, terminal runner, glue core positioning and driving mechanism, servo motor Fixed with motor fixed mechanism, motor fixed mechanism is located at the side of timing belt, one end of timing belt and the one of servo motor Rotating shaft connects, and terminal cuts the top that interposer is located at terminal feed mechanism, and terminal feed mechanism is located at terminal and cuts insertion Between mechanism and terminal runner, cam main shaft mechanism is located at the lower section of motor fixed mechanism and is connected with the other end of timing belt, Terminal runner is located at the lower section of terminal feed mechanism, and glue core positioning and driving mechanism is located at the side of terminal runner；The cam main shaft mechanism includes terminal feeding cam, terminal cuts double-track cam, terminal insertion cam, glue core convex Wheel, inductor, bearing, terminal feeding cam, terminal cut double-track cam, glue core positioning cam, cam, inductor and are sequentially sleeved in On bearing；The terminal, which cuts interposer, includes the first swing rod, upper cutting knife, the second swing rod, lower grip block, connecting rod, the first pendulum Connected between bar and upper cutting knife by connecting rod, the second swing rod is connected with lower grip block, and lower grip block is located under upper cutting knife Side, the first swing rod, the second swing rod cut the both sides of double-track cam positioned at terminal respectively；The terminal feed mechanism includes projection, the 3rd swing rod, rotary shaft, terminal material hole pilot pin, spring, side plate, the 3rd pendulum One end of bar cuts the side of double-track cam with rotation axis connection and positioned at terminal, and side plate is located under the other end of the 3rd swing rod Side, projection is connected with the other end of the 3rd swing rod and positioned at the outside of side plate 36, terminal material hole pilot pin, spring are all located at side plate On, side plate is located at the side of bearing；The glue core positioning and driving mechanism includes contiguous block, lever, fulcrum, commutator, glue core locating piece, and contiguous block is determined with glue core Position cam connection, one end of lever are connected with contiguous block, and fulcrum is enclosed on lever, the other end connection of commutator and lever, glue Core locating piece is located at the side of commutator.
- 2. Z-type terminal high speed contact pin mechanism as claimed in claim 1, it is characterised in that the servo motor, motor fix machine Structure, terminal cut interposer, terminal feed mechanism, cam main shaft mechanism, glue core positioning and driving mechanism and are installed on a casing On.
- 3. Z-type terminal high speed contact pin mechanism as claimed in claim 1, it is characterised in that the terminal runner is bull runner System.
- 4. Z-type terminal high speed contact pin mechanism as claimed in claim 1, it is characterised in that the table of the terminal material hole pilot pin Face is provided with positioning hole.
- 5. Z-type terminal high speed contact pin mechanism as claimed in claim 1, it is characterised in that the terminal feeding cam, glue core are determined Position cam is all plane roller translation cam；Terminal cuts double-track cam, terminal insertion cam is all that space cylindrical roller is swung Cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610568725.XA CN107437717A (en) | 2016-07-20 | 2016-07-20 | Z-type terminal high speed contact pin mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610568725.XA CN107437717A (en) | 2016-07-20 | 2016-07-20 | Z-type terminal high speed contact pin mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107437717A true CN107437717A (en) | 2017-12-05 |
Family
ID=60458912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610568725.XA Pending CN107437717A (en) | 2016-07-20 | 2016-07-20 | Z-type terminal high speed contact pin mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107437717A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015511A (en) * | 2018-08-02 | 2018-12-18 | 昆山博思达自动化设备科技有限公司 | Contact pin apparatus in a kind of mould |
| CN109599735A (en) * | 2019-01-15 | 2019-04-09 | 佛山市志必得机械设备有限公司 | A kind of connector cam assembling mechanism |
| CN110197968A (en) * | 2019-06-12 | 2019-09-03 | 安费诺奥罗拉科技(惠州)有限公司 | A kind of connector and its assembling equipment |
| CN110299660A (en) * | 2019-07-11 | 2019-10-01 | 江苏倚信自动化设备有限公司 | A kind of novel electron cam pin mechanism |
| WO2020118899A1 (en) * | 2018-12-11 | 2020-06-18 | 苏州瀚川智能科技股份有限公司 | Terminal pin insertion device |
| CN114156717A (en) * | 2021-11-23 | 2022-03-08 | 苏州新亚电通股份有限公司 | Cam mechanism for reverse insertion terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0156457A1 (en) * | 1984-02-24 | 1985-10-02 | AMP INCORPORATED (a New Jersey corporation) | Component insertion apparatus |
| CN102275074A (en) * | 2011-08-12 | 2011-12-14 | 东莞市锦润电子有限公司 | Automatic assembling machine for flat cable LVDS connector |
| CN102412491A (en) * | 2011-11-30 | 2012-04-11 | 东莞市锦润电子有限公司 | Automatic assembly machine of LVDS (low voltage differential signaling) connector |
| CN103606795A (en) * | 2013-11-04 | 2014-02-26 | 昆山博思达自动化设备科技有限公司 | High-speed needle insertion apparatus |
| CN205882369U (en) * | 2016-07-20 | 2017-01-11 | 天泽精密技术（上海）有限公司 | High -speed pin -inserting mechanism of Z type terminal |
-
2016
- 2016-07-20 CN CN201610568725.XA patent/CN107437717A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0156457A1 (en) * | 1984-02-24 | 1985-10-02 | AMP INCORPORATED (a New Jersey corporation) | Component insertion apparatus |
| CN102275074A (en) * | 2011-08-12 | 2011-12-14 | 东莞市锦润电子有限公司 | Automatic assembling machine for flat cable LVDS connector |
| CN102412491A (en) * | 2011-11-30 | 2012-04-11 | 东莞市锦润电子有限公司 | Automatic assembly machine of LVDS (low voltage differential signaling) connector |
| CN103606795A (en) * | 2013-11-04 | 2014-02-26 | 昆山博思达自动化设备科技有限公司 | High-speed needle insertion apparatus |
| CN205882369U (en) * | 2016-07-20 | 2017-01-11 | 天泽精密技术（上海）有限公司 | High -speed pin -inserting mechanism of Z type terminal |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015511A (en) * | 2018-08-02 | 2018-12-18 | 昆山博思达自动化设备科技有限公司 | Contact pin apparatus in a kind of mould |
| CN109015511B (en) * | 2018-08-02 | 2023-09-29 | 昆山博思达自动化设备科技有限公司 | Mould insert pin device |
| WO2020118899A1 (en) * | 2018-12-11 | 2020-06-18 | 苏州瀚川智能科技股份有限公司 | Terminal pin insertion device |
| CN109599735A (en) * | 2019-01-15 | 2019-04-09 | 佛山市志必得机械设备有限公司 | A kind of connector cam assembling mechanism |
| CN110197968A (en) * | 2019-06-12 | 2019-09-03 | 安费诺奥罗拉科技(惠州)有限公司 | A kind of connector and its assembling equipment |
| CN110197968B (en) * | 2019-06-12 | 2024-03-12 | 安费诺奥罗拉科技(惠州)有限公司 | Connector and assembly equipment thereof |
| CN110299660A (en) * | 2019-07-11 | 2019-10-01 | 江苏倚信自动化设备有限公司 | A kind of novel electron cam pin mechanism |
| CN110299660B (en) * | 2019-07-11 | 2024-03-26 | 江苏倚信自动化设备有限公司 | Electronic cam pin inserting mechanism |
| CN114156717A (en) * | 2021-11-23 | 2022-03-08 | 苏州新亚电通股份有限公司 | Cam mechanism for reverse insertion terminal |
| CN114156717B (en) * | 2021-11-23 | 2023-10-31 | 苏州新亚电通股份有限公司 | Cam mechanism for reverse plug terminal |
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Application publication date: 20171205 |