CN205075020U - Electromagnetic power actuated setting device - Google Patents
Electromagnetic power actuated setting device Download PDFInfo
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- CN205075020U CN205075020U CN201520851879.0U CN201520851879U CN205075020U CN 205075020 U CN205075020 U CN 205075020U CN 201520851879 U CN201520851879 U CN 201520851879U CN 205075020 U CN205075020 U CN 205075020U
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Abstract
The utility model discloses an electromagnetic power actuated setting device, including the rifle body, transmission pipe, supply nail box, electromagnetism with higher speed the subassembly and with the electromagnetism control circuit unit that links to each other of subassembly with higher speed, electromagnetism subassembly with higher speed includes that the multiunit winds and locates on the transmission pipe and along the coil of transmission pipe axial interval arrangement, be equipped with the photoelectricity door that is used for the response nail body between the arbitrary adjacent two sets of coils, each photoelectricity door link to each other with the control circuit unit and make the outage of previous coil behind the response nail body in make back coil circular telegram. The utility model has the advantages of fast, simple structure is reliable, efficient, noise low, portable.
Description
Technical field
The utility model relates to electric tool technical field, is specifically related to a kind of electromagnetic nail gun.
Background technology
In the processes such as construction, indoor decoration and furniture making, often need to adopt ail gun to be squeezed in material by nail.Ail gun mainly contains ammunition driving, pneumatic type and electromagnetic type three types.Traditional ammunition driving ail gun noise is large, and will use special ammunition, also needs ejection after transmitting, very inconvenient; And the propellant used is gunpowder, there is potential safety hazard.Although the ail gun of pneumatic type is without the need to special ammunition, will connect when using with gas cylinder, when giving inflating gas cylinder, air compressor machine produces a thundering noise and vibrates, and volume is large in addition, is not suitable for mobile operating.There is complex structure, shortcoming that manufacturing cost is high in existing electromagnetic type ail gun, and the nailing speed of existing electromagnetic type ail gun is low and range is not high mostly, and its applicability is not strong.
Utility model content
The technical problems to be solved in the utility model overcomes the deficiency that prior art exists, and provides that a kind of speed is fast, far firing range, simple and reliable for structure, efficiency is high, noise is low, portable electromagnetic nail gun.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of electromagnetic nail gun, the control circuit unit comprising rifle body, launch tube, confession staple cartridge, electromagnetism acceleration component and be connected with electromagnetism acceleration component, described electromagnetism acceleration component comprises many groups and is set around the coil arranged on launch tube and along launch tube axially spaced-apart, be provided with the photoelectricity door for responding to rivet nut between arbitrary neighborhood two groups of coils, each photoelectricity door is connected with control circuit unit and a coil electricity after making while make last coil blackout after responding to rivet nut.
Above-mentioned electromagnetic nail gun, preferably, described launch tube is arranged with three groups of coils, and three groups of coils are divided into one-level solenoid L1, two-stage electromagnetic coil L2 and three grade solenoid L3 successively along the injection direction of launch tube.
Above-mentioned electromagnetic nail gun, preferably, described control circuit unit comprises Large Copacity supply module, one-level accelerating circuit, secondary accelerating circuit and three grades of accelerating circuits;
Described Large Copacity supply module comprises 12V dc source V1, DC booster, the 4th diode D4 and second switch S2, the positive pole of dc source V1 is connected with the electrode input end mouth of DC booster by second switch S2, the negative pole of dc source V1 is connected with the negative input mouth of DC booster, and the positive pole of the 4th diode D4 is connected with the cathode output end mouth of DC booster;
Described one-level accelerating circuit comprises the 3rd resistance R3, first capacity capacitor C1, first relay K 1, first diode D1, 5th diode D5 and the first switch S 1 as electromagnetic nail gun emission switch, the negative pole of the first diode D1 is connected with the negative pole of the 5th diode D5, the positive pole of the 5th diode D5 and the positive pole of first capacity capacitor C1 are also attached to the negative pole of the 4th diode D4, it is in parallel with the first diode D1 after one-level solenoid L1 connects with the 3rd resistance R3, it is the port 3 of normal open relation and port 4 that positive pole and the negative pole of first capacity capacitor C1 of the first diode D1 are connected in the first relay K 1 respectively, the port 5 that first relay K 1 is normally closed relation with port 4 is connected the cathode output end mouth of DC booster, the power input port 1 of the first relay K 1 is connected with the both positive and negative polarity of a 5V dc source V2 respectively with port 2, first switch S 1 is located between the port one of the first relay K 1 and the positive pole of 5V dc source V2,
Described secondary accelerating circuit comprises the 4th resistance R4, second largest capacity capacitor C2, second relay K 2, second diode D2 and the 6th diode D6, the negative pole of the second diode D2 is connected with the negative pole of the 6th diode D6, the positive pole of the 6th diode D6 and the positive pole of second largest capacity capacitor C2 are also attached to the negative pole of the 4th diode D4, it is in parallel with the second diode D2 after two-stage electromagnetic coil L2 connects with the 4th resistance R4, it is the port 3 of normal open relation and port 4 that positive pole and the negative pole of second largest capacity capacitor C2 of the second diode D2 are connected in the second relay K 2 respectively, the port 5 that second relay K 2 is normally closed relation with port 4 is connected the cathode output end mouth of DC booster, the power input port 1 of the second relay K 2 is connected with the positive pole of 5V dc source V2 by the first photoelectricity door U1, the power input port 2 of the second relay K 2 is connected with the negative pole of 5V dc source V2,
Described three grades of accelerating circuits comprise the 5th resistance R5, the third-largest capacity capacitor C3, 3rd relay K 3, 3rd diode D3 and the 7th diode D7, the negative pole of the 3rd diode D3 is connected with the negative pole of the 7th diode D7, the positive pole of the 7th diode D7 and the positive pole of the third-largest capacity capacitor C3 are also attached to the negative pole of the 4th diode D4, it is in parallel with the 3rd diode D3 after three grades of solenoid L3 connect with the 5th resistance R5, it is the port 3 of normal open relation and port 4 that positive pole and the negative pole of the third-largest capacity capacitor C3 of the 3rd diode D3 are connected in the 3rd relay K 3 respectively, the port 5 that 3rd relay K 3 is normally closed relation with port 4 is connected the cathode output end mouth of DC booster, the power input port 1 of the 3rd relay K 3 is connected with the positive pole of 5V dc source V2 by the second photoelectricity door U2, the power input port 2 of the 3rd relay K 3 is connected with the negative pole of 5V dc source V2.
Above-mentioned electromagnetic nail gun, preferably, the loop that described first photoelectricity door U1 is connected with the second relay K 2 is provided with the first variable resistor R1, and the loop that described second photoelectricity door U2 is connected with the 3rd relay K 3 is provided with the second adjustable resistance R2.
Above-mentioned electromagnetic nail gun, preferably, the turn ratio of described one-level solenoid L1, two-stage electromagnetic coil L2 and three grade solenoid L3 is 1:1.4:1.7.
Compared with prior art, the utility model has the advantage of: the utility model electromagnetic nail gun adopts multistage electromagnetism to accelerate continuously iron nail, long to the time of iron nail acceleration, greatly can improve speed and the range of launching objects, and simple and reliable for structure, efficiency is high, noise is low, be easy to carry, and can launch any object having magnetic conductivity, also without the need to considering the factors such as weather, also not worrying spring deteriorates, is a kind of emitter reliably.
Accompanying drawing explanation
Fig. 1 is the structural representation sketch of the utility model electromagnetic nail gun.
Fig. 2 is the circuit diagram of control circuit unit in the utility model electromagnetic nail gun.
Marginal data:
1, rifle body; 2, launch tube; 3, electromagnetism acceleration component; 31, coil; 4, control circuit unit; 41, Large Copacity supply module; 42, one-level accelerating circuit; 43, secondary accelerating circuit; 44, three grades of accelerating circuits; 5, photoelectricity door; 6, for staple cartridge.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, electromagnetic nail gun of the present utility model, comprise rifle body 1, launch tube 2, for staple cartridge 6, electromagnetism acceleration component 3 and the control circuit unit 4 be connected with electromagnetism acceleration component 3, electromagnetism acceleration component 3 comprises many groups and is set around the coil 31 arranged on launch tube 2 and along launch tube 2 axially spaced-apart, the photoelectricity door 5 for responding to rivet nut is provided with between arbitrary neighborhood two groups of coils 31, each photoelectricity door 5 is connected with control circuit unit 4, photoelectricity door 5 is after induction rivet nut, after making while making the power-off of last coil 31, a coil 31 is energized, can accelerate iron nail successively like this, long to the time of iron nail acceleration, speed and the range of launching objects can be improved.
In the present embodiment, launch tube 2 is arranged with three groups of coils, 31, three groups of coils 31 and is divided into one-level solenoid L1, two-stage electromagnetic coil L2 and three grade solenoid L3 successively along the injection direction of launch tube 2.
As shown in Figure 2, control circuit unit 4 comprises Large Copacity supply module 41, one-level accelerating circuit 42, secondary accelerating circuit 43 and three grades of accelerating circuits 44;
Large Copacity supply module 41 comprises 12V dc source V1, DC booster, the 4th diode D4 and second switch S2, the positive pole of dc source V1 is connected with the electrode input end mouth in+ of DC booster by second switch S2, the negative pole of dc source V1 is connected with the negative input mouth in-of DC booster, the positive pole of the 4th diode D4 is connected with the cathode output end mouth out+ of DC booster, its role is to prevent electromagnetism accelerating circuit reversing the current from flowing into DC booster and causing damage to DC booster; The 12V direct current that Large Copacity 12V dc source V1 provides can be boosted to any DC voltage within the scope of 200 ~ 450V by DC booster, thus meets the work requirements of electromagnetism accelerating circuit;
One-level accelerating circuit 42 comprises the 3rd resistance R3, first capacity capacitor C1, first relay K 1, first diode D1, 5th diode D5 and the first switch S 1 as electromagnetic nail gun emission switch, the negative pole of the first diode D1 is connected with the negative pole of the 5th diode D5, the positive pole of the 5th diode D5 and the positive pole of first capacity capacitor C1 are also attached to the negative pole of the 4th diode D4, it is in parallel with the first diode D1 after one-level solenoid L1 connects with the 3rd resistance R3, the positive pole of the first diode D1 connects the port 3 in the first relay K 1, the negative pole of first capacity capacitor C1 connects the port 4 in the first relay K 1, port 3 in first relay K 1 and port 4 are normal open relation, the port 5 that first relay K 1 is normally closed relation with port 4 is connected the cathode output end mouth out-of DC booster, the power input port 1 of the first relay K 1 is connected with the both positive and negative polarity of a 5V dc source V2 respectively with port 2, first switch S 1 is located between the port one of the first relay K 1 and the positive pole of 5V dc source V2, above-mentioned first diode D1 and the 5th diode D5 can stop one-level solenoid L1 to first capacity capacitor C1 reverse charging, thus protects first capacity capacitor C1, R3, as load, plays the effect of protection one-level solenoid L1,
Secondary accelerating circuit 43 comprises the 4th resistance R4, second largest capacity capacitor C2, second relay K 2, second diode D2 and the 6th diode D6, the negative pole of the second diode D2 is connected with the negative pole of the 6th diode D6, the positive pole of the 6th diode D6 and the positive pole of second largest capacity capacitor C2 are also attached to the negative pole of the 4th diode D4, it is in parallel with the second diode D2 after two-stage electromagnetic coil L2 connects with the 4th resistance R4, the positive pole of the second diode D2 connects the port 3 in the second relay K 2, the negative pole of second largest capacity capacitor C2 connects the port 4 in the second relay K 2, port 3 in second relay K 2 and port 4 are normal open relation, the port 5 that second relay K 2 is normally closed relation with port 4 is connected the cathode output end mouth out-of DC booster, the power input port 1 of the second relay K 2 is connected with the positive pole of 5V dc source V2 by the first photoelectricity door U1, the power input port 2 of the second relay K 2 is connected with the negative pole of 5V dc source V2,
Three grades of accelerating circuits 44 comprise the 5th resistance R5, the third-largest capacity capacitor C3, 3rd relay K 3, 3rd diode D3 and the 7th diode D7, the negative pole of the 3rd diode D3 is connected with the negative pole of the 7th diode D7, the positive pole of the 7th diode D7 and the positive pole of the third-largest capacity capacitor C3 are also attached to the negative pole of the 4th diode D4, it is in parallel with the 3rd diode D3 after three grades of solenoid L3 connect with the 5th resistance R5, the positive pole of the 3rd diode D3 connects the port 3 in the 3rd relay K 3, the negative pole of the third-largest capacity capacitor C3 connects the port 4 in the 3rd relay K 3, port 3 in 3rd relay K 3 and port 4 are normal open relation, the port 5 that 3rd relay K 3 is normally closed relation with port 4 is connected the cathode output end mouth out-of DC booster, the power input port 1 of the 3rd relay K 3 is connected with the positive pole of 5V dc source V2 by the second photoelectricity door U2, the power input port 2 of the 3rd relay K 3 is connected with the negative pole of 5V dc source V2.
In the present embodiment, the loop that the first photoelectricity door U1 is connected with the second relay K 2 is provided with the first variable resistor R1, and the loop that the second photoelectricity door U2 is connected with the second relay K 3 is provided with the second adjustable resistance R2.Can the sensitivity of corresponding adjustment first photoelectricity door U1 and the second photoelectricity door U2 by changing the first variable resistor R1 and the second adjustable resistance R2.
In the present embodiment, the turn ratio of one-level solenoid L1, two-stage electromagnetic coil L2 and three grade solenoid L3 is 1:1.4:1.7, can reach the acceleration effect to iron nail the best according to this ratio.In the present embodiment, rifle body 1, launch tube 2 and confession staple cartridge 6 all can adopt prior art, such as, can adopt for staple cartridge 6 and rotate the mode such as ammunition feed, cartridge clip ammunition feed.
Above-mentioned control circuit unit 4 directly uses photoelectricity door to drive the power on/off of each coil 31 of Control, realizes, to the continuous acceleration of iron nail, not using single-chip microcomputer, simplifying the structure, reduce cost of manufacture, makes, safeguards that simply, reaction is very fast.
The course of work of the utility model electromagnetic nail gun is: as shown in Figure 2, second switch S2 is the battery main switch of whole electromagnetism accelerating circuit, closed second switch S2, different with the degree of depth according to the material that iron nail will hammer into, regulate DC booster, the output voltage of Large Copacity supply module 41 is enable to be any DC voltages between 200V ~ 450V, Large Copacity supply module 41 is first capacity capacitor C1 simultaneously, second largest capacity capacitor C2, the third-largest capacity capacitor C3 charges until be full of, now, first capacity capacitor C1, second largest capacity capacitor C2, the third-largest capacity capacitor C3 both end voltage should with Large Copacity supply module 41 output voltage (i.e. DC booster out+, voltage between out-two-port) identical.
During transmitting, automatically launch tube 2 rear portion is headed into by for staple cartridge inner spring for iron nail in staple cartridge, press the first switch S 1, first relay K 1 control end 1, 2 ports are connected, the port 4 and the port 5 that control the first relay K 1 disconnect, cut off the charging circuit of first capacity capacitor C1, simultaneously the port 3 of the first relay K 1 and port 4 close, first capacity capacitor C1 discharges rapidly to one-level solenoid L1, one-level solenoid L1 is made to produce magnetic field, iron nail is attracted to enter launch tube 2 and accelerate, when iron nail is by the first photoelectricity door U1, first photoelectricity door U1 port 3, 4 connect, thus make the second relay K 2 control end 1, 2 ports are connected, and then control the port 4 of the second relay K 2 and port 5 disconnects, cut off second largest capacity capacitor C2 charging circuit, simultaneously the port 3 of the second relay K 2 and port 4 close, second largest capacity capacitor C2 discharges rapidly to two-stage electromagnetic coil L2, two-stage electromagnetic coil L2 is made to produce magnetic field, iron nail continues to accelerate under two-stage electromagnetic coil L2 attracts, when after iron nail safety first photoelectricity door U1, first photoelectricity door U1 port 3, 4 disconnect, thus make the second relay K 2 control end 1, 2 port power-off, the port 4 of the second relay K 2 and port 5 close automatically when control end power-off, thus connect second largest capacity capacitor C2 charging circuit, Large Copacity supply module 41 is charged for second largest capacity capacitor C2, simultaneously the port 3 of the second relay K 2 and port 4 disconnect, cut off the connection of two-stage electromagnetic coil L2 and second largest capacity capacitor C2, two-stage electromagnetic coil L2 magnetic field disappears when the port 3 of second largest capacity capacitor C2 discharge off or the second relay K 2 and port 4 disconnect, now, iron nail continues arrival second photoelectricity door U2 place of advancing in launch tube 2, thus enter three grades of accelerating circuits, three grades of accelerating circuit courses of work are identical with the secondary accelerating circuit course of work.
After having launched an iron nail, disconnect the first switch S 1, now the first relay K 1 control end 1,2 port power-off, the port 4 of the first relay K 1 and port 5 close automatically when control end power-off, thus connect first capacity capacitor C1 charging circuit, Large Copacity supply module 41 charges rapidly for first capacity capacitor C1, simultaneously the port 3 of the first relay K 1 and port 4 disconnect, cutting off the connection of one-level solenoid L1 and first capacity capacitor C1, preparing for launching next iron nail.
Above-mentioned control circuit unit 4 adopts large value capacitor to be coil power supply, capacitor charging/discharging speed is fast, instantaneous high pressure electricity can be provided for coil, compared to adopting Large Copacity supply module to be directly coil power supply, do not worry that capacitor damages, Large Copacity supply module can be avoided while providing instantaneous high pressure electricity to cause very large infringement to battery itself.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment.For those skilled in the art, do not departing from the improvement that obtains under the utility model technical conceive prerequisite and conversion also should be considered as protection domain of the present utility model.
Claims (5)
1. an electromagnetic nail gun, comprise rifle body (1), launch tube (2), for staple cartridge (6), electromagnetism acceleration component (3) and the control circuit unit (4) be connected with electromagnetism acceleration component (3), it is characterized in that: described electromagnetism acceleration component (3) comprises the many groups of coils (31) being set around launch tube (2) and above and along launch tube (2) axially spaced-apart arranging, the photoelectricity door (5) for responding to rivet nut is provided with between arbitrary neighborhood two groups of coils (31), each photoelectricity door (5) is connected with control circuit unit (4) and a coil (31) is energized after making while make last coil (31) power-off after responding to rivet nut.
2. electromagnetic nail gun according to claim 1, it is characterized in that: described launch tube (2) is arranged with three groups of coils (31), three groups of coils (31) are divided into one-level solenoid L1, two-stage electromagnetic coil L2 and three grade solenoid L3 successively along the injection direction of launch tube (2).
3. electromagnetic nail gun according to claim 2, is characterized in that: described control circuit unit (4) comprises Large Copacity supply module (41), one-level accelerating circuit (42), secondary accelerating circuit (43) and three grades of accelerating circuits (44);
Described Large Copacity supply module (41) comprises 12V dc source V1, DC booster, the 4th diode D4 and second switch S2, the positive pole of dc source V1 is connected with the electrode input end mouth of DC booster by second switch S2, the negative pole of dc source V1 is connected with the negative input mouth of DC booster, and the positive pole of the 4th diode D4 is connected with the cathode output end mouth of DC booster;
Described one-level accelerating circuit (42) comprises the 3rd resistance R3, first capacity capacitor C1, first relay K 1, first diode D1, 5th diode D5 and the first switch S 1 as electromagnetic nail gun emission switch, the negative pole of the first diode D1 is connected with the negative pole of the 5th diode D5, the positive pole of the 5th diode D5 and the positive pole of first capacity capacitor C1 are also attached to the negative pole of the 4th diode D4, it is in parallel with the first diode D1 after one-level solenoid L1 connects with the 3rd resistance R3, it is the port 3 of normal open relation and port 4 that positive pole and the negative pole of first capacity capacitor C1 of the first diode D1 are connected in the first relay K 1 respectively, the port 5 that first relay K 1 is normally closed relation with port 4 is connected the cathode output end mouth of DC booster, the power input port 1 of the first relay K 1 is connected with the both positive and negative polarity of a 5V dc source V2 respectively with port 2, first switch S 1 is located between the port one of the first relay K 1 and the positive pole of 5V dc source V2,
Described secondary accelerating circuit (43) comprises the 4th resistance R4, second largest capacity capacitor C2, second relay K 2, second diode D2 and the 6th diode D6, the negative pole of the second diode D2 is connected with the negative pole of the 6th diode D6, the positive pole of the 6th diode D6 and the positive pole of second largest capacity capacitor C2 are also attached to the negative pole of the 4th diode D4, it is in parallel with the second diode D2 after two-stage electromagnetic coil L2 connects with the 4th resistance R4, it is the port 3 of normal open relation and port 4 that positive pole and the negative pole of second largest capacity capacitor C2 of the second diode D2 are connected in the second relay K 2 respectively, the port 5 that second relay K 2 is normally closed relation with port 4 is connected the cathode output end mouth of DC booster, the power input port 1 of the second relay K 2 is connected with the positive pole of 5V dc source V2 by the first photoelectricity door U1, the power input port 2 of the second relay K 2 is connected with the negative pole of 5V dc source V2,
Described three grades of accelerating circuits (44) comprise the 5th resistance R5, the third-largest capacity capacitor C3, 3rd relay K 3, 3rd diode D3 and the 7th diode D7, the negative pole of the 3rd diode D3 is connected with the negative pole of the 7th diode D7, the positive pole of the 7th diode D7 and the positive pole of the third-largest capacity capacitor C3 are also attached to the negative pole of the 4th diode D4, it is in parallel with the 3rd diode D3 after three grades of solenoid L3 connect with the 5th resistance R5, it is the port 3 of normal open relation and port 4 that positive pole and the negative pole of the third-largest capacity capacitor C3 of the 3rd diode D3 are connected in the 3rd relay K 3 respectively, the port 5 that 3rd relay K 3 is normally closed relation with port 4 is connected the cathode output end mouth of DC booster, the power input port 1 of the 3rd relay K 3 is connected with the positive pole of 5V dc source V2 by the second photoelectricity door U2, the power input port 2 of the 3rd relay K 3 is connected with the negative pole of 5V dc source V2.
4. electromagnetic nail gun according to claim 3, it is characterized in that: the loop that described first photoelectricity door U1 is connected with the second relay K 2 is provided with the first variable resistor R1, the loop that described second photoelectricity door U2 is connected with the 3rd relay K 3 is provided with the second adjustable resistance R2.
5. the electromagnetic nail gun according to any one of claim 2 to 4, is characterized in that: the turn ratio of described one-level solenoid L1, two-stage electromagnetic coil L2 and three grade solenoid L3 is 1:1.4:1.7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520851879.0U CN205075020U (en) | 2015-10-30 | 2015-10-30 | Electromagnetic power actuated setting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520851879.0U CN205075020U (en) | 2015-10-30 | 2015-10-30 | Electromagnetic power actuated setting device |
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| Publication Number | Publication Date |
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| CN205075020U true CN205075020U (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520851879.0U Expired - Fee Related CN205075020U (en) | 2015-10-30 | 2015-10-30 | Electromagnetic power actuated setting device |
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| CN (1) | CN205075020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123681A (en) * | 2016-06-24 | 2016-11-16 | 广西大学 | Study of EM rail-gun launcher beaten by rifle |
| CN106426434A (en) * | 2016-12-26 | 2017-02-22 | 青岛世纪乾源展示用品有限公司 | Full-automatic woodworking straight nail gun |
-
2015
- 2015-10-30 CN CN201520851879.0U patent/CN205075020U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123681A (en) * | 2016-06-24 | 2016-11-16 | 广西大学 | Study of EM rail-gun launcher beaten by rifle |
| CN106123681B (en) * | 2016-06-24 | 2018-06-26 | 广西大学 | Rifle beats study of EM rail-gun launcher |
| CN106426434A (en) * | 2016-12-26 | 2017-02-22 | 青岛世纪乾源展示用品有限公司 | Full-automatic woodworking straight nail gun |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20201030 |
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| CF01 | Termination of patent right due to non-payment of annual fee |