CN109719680B - Power-adjustable transmitting mechanism - Google Patents

Power-adjustable transmitting mechanism Download PDF

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Publication number
CN109719680B
CN109719680B CN201910189063.9A CN201910189063A CN109719680B CN 109719680 B CN109719680 B CN 109719680B CN 201910189063 A CN201910189063 A CN 201910189063A CN 109719680 B CN109719680 B CN 109719680B
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CN
China
Prior art keywords
power adjusting
adjusting sleeve
power
transmitting tube
wall
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CN201910189063.9A
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CN109719680A (en
Inventor
蒋川
张正
蒋雨妤
范华
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NANXI NANSHAN EQUIPMENT MANUFACTURING CO LTD
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NANXI NANSHAN EQUIPMENT MANUFACTURING CO LTD
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Publication of CN109719680A publication Critical patent/CN109719680A/en
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Abstract

The invention discloses a power-adjustable transmitting mechanism, which relates to the field of nail shooting devices and comprises a transmitting tube, a silencing cover and a power adjusting sleeve; the power adjusting sleeve is rotatably sleeved at the rear end of the transmitting tube, and an exhaust groove is formed in the inner wall of the power adjusting sleeve; the front end of the silencing cover is fixed at the front end of the transmitting tube, the rear end of the silencing cover is fixedly sleeved on the power adjusting sleeve, and a slag collecting bin is formed between the outer wall of the transmitting tube and the inner wall of the silencing cover; the emission pipe is also provided with an exhaust hole and a power adjusting hole, the exhaust hole communicates the inside of the emission pipe with the slag collecting bin, and the power adjusting hole corresponds to the exhaust groove. The invention not only can change the gun pressure of the nail shooting bullet and realize the adjustment of the power of the nail shooter, but also ensures the reliability and applicability of the power adjustment.

Description

Power-adjustable transmitting mechanism
Technical Field
The invention relates to the field of nail shooting devices, in particular to a power-adjustable transmitting mechanism.
Background
The power of the existing explosive-driven nail shooter is determined by changing the position of the exhaust hole on the transmitting tube, however, on the product designed and manufactured, no matter whether the transmitting tube is provided with multiple rows of exhaust holes or single row of exhaust holes, the power of the nail shooter is constant. Therefore, the power adjustment of the existing nail shooter is realized by changing the loading capacity of the plastic shell nail shooting bullet, but the mode can not meet the use requirement of power change under different building materials.
The power-adjustable nailing device (such as application publication No. CN108747981A and application publication No. CN 109202812A) in the current market realizes power adjustment by sealing the front exhaust hole or the middle exhaust hole of the transmitting tube. However, because plastic particles are generated in the explosion process of the plastic shell nail shooting bullet, the generated plastic particles can enter the exhaust cabin in the silencing cover through the exhaust hole, so that the plastic particles are accumulated in the exhaust cabin; when plastic particles in the exhaust bin are accumulated to a certain degree, the power adjusting sleeve is blocked or the exhaust hole is closed, so that the power adjusting function is lost.
Disclosure of Invention
The invention aims to provide a power-adjustable launching mechanism which can control the power of a nail shooter according to the field situation so as to solve the problem that the existing method for loading the nail shot with plastic shells or nitrocotton nails is changed, thereby adapting to the technical requirements of different building matrixes; meanwhile, the problem of blocking caused by accumulation of plastic residues in the existing power adjustment mode can be effectively solved.
In order to achieve the aim of the invention, the technical scheme adopted is as follows: the utility model provides an adjustable power's emission mechanism, includes launching tube, amortization cover and power adjusting sleeve; the power adjusting sleeve is rotatably sleeved at the rear end of the transmitting tube, and an exhaust groove is formed in the inner wall of the power adjusting sleeve; the front end of the silencing cover is fixed at the front end of the transmitting tube, the rear end of the silencing cover is fixedly sleeved on the power adjusting sleeve, and a slag collecting bin is formed between the outer wall of the transmitting tube and the inner wall of the silencing cover; the emission pipe is also provided with an exhaust hole and a power adjusting hole, the exhaust hole communicates the inside of the emission pipe with the slag collecting bin, and the power adjusting hole corresponds to the exhaust groove.
Further, a power adjusting cabin communicated with the exhaust groove is further formed in the inner wall of the power adjusting sleeve, and the other end of the power adjusting cabin penetrates through the front end face of the power adjusting sleeve; the slag blocking plate is also sleeved on the transmitting pipe and is propped against the front end of the power adjusting sleeve.
Further, the large diameter of the slag baffle is in clearance fit with the inner wall of the silencing cover.
Further, a locking mechanism is further arranged on the power adjusting sleeve.
Further, the locking mechanism comprises a fixing screw and at least one positioning groove; the positioning grooves are all positioned on the outer wall of the transmitting tube, and are uniformly distributed at intervals along the circumferential direction of the transmitting tube; the fixing screw is arranged on the power adjusting sleeve, and the lower end of the fixing screw is matched with the plurality of positioning grooves.
Further, a first limiting disc is further arranged on the outer wall of the power adjusting sleeve, and the rear end of the silencing cover is matched with the first limiting disc.
Further, the rear end of the transmitting tube is provided with a second limiting disc, and the rear end of the power adjusting sleeve is propped against the second limiting disc.
Furthermore, the front end of the transmitting tube is also fixedly provided with a protective cover, and the front end of the silencing cover is abutted against the protective cover.
Further, the protection cover is in threaded connection with the front end of the transmitting tube.
Furthermore, the front end of the transmitting tube is also provided with a spigot, and the inner wall of the front end of the silencing cover is also provided with a positioning ring matched with the spigot.
Further, the rear end of the silencing cover is in threaded connection with the power adjusting sleeve.
The invention has the advantages that,
the power adjusting sleeve rotates by a certain angle along the outer wall of the transmitting tube, so that the power adjusting hole on the transmitting tube is dislocated with the exhaust groove on the power adjusting sleeve, and the power adjusting hole is in a completely closed or semi-closed state, thereby achieving the purpose of changing the gun-bore pressure of the nail shooter, and realizing the power adjustment of the nail shooter.
By arranging the exhaust hole and the power adjusting hole on the transmitting pipe, the slag collecting bin and the exhaust groove are separated, and the reliability and the applicability of power adjustment are ensured.
The power adjusting hole is formed in the rear end of the transmitting tube, so that the power adjusting hole is completely sealed by the firing pin sleeve positioned in the transmitting tube during detonation, plastic residues are effectively reduced from entering the exhaust groove, and the reliability and applicability of power adjustment are ensured.
Drawings
FIG. 1 is a cross-sectional view 1 of an adjustable power launching mechanism provided by the present invention;
FIG. 2 is a cross-sectional view 2 of an adjustable power launching mechanism provided by the present invention;
FIG. 3 is a cross-sectional view 1 of the launch tube of FIG. 1;
FIG. 4 is a cross-sectional view 2 of the launch tube of FIG. 1;
FIG. 5 is a cross-sectional view of A-A of FIG. 4;
FIG. 6 is a cross-sectional view of the muffler cover of FIG. 1;
FIG. 7 is a cross-sectional view 1 of the power adjustment sleeve of FIG. 1;
FIG. 8 is a cross-sectional view 2 of the power adjustment sleeve of FIG. 1;
fig. 9 is a side view of the power adjustment sleeve of fig. 1.
The reference numerals and corresponding part names in the drawings:
1. the device comprises a transmitting pipe, 2 parts of a silencing cover, 3 parts of a power adjusting sleeve, 4 parts of an exhaust groove, 5 parts of a slag collecting bin, 6 parts of an exhaust hole, 7 parts of a power adjusting hole, 8 parts of a power adjusting bin, 9 parts of a slag baffle, 10 parts of a locking mechanism, 11 parts of a first limiting disc, 12 parts of a second limiting disc, 13 parts of a protecting cover, 14 parts of a spigot, 15 parts of a positioning ring;
101. positioning grooves 102 and fixing screws.
Detailed Description
The invention will now be described in further detail by way of specific examples of embodiments in connection with the accompanying drawings.
Fig. 1 to 9 show a power-adjustable transmitting mechanism provided by the invention, which comprises a transmitting tube 1, a silencing cover 2 and a power adjusting sleeve 3; the power adjusting sleeve 3 is rotatably sleeved at the rear end of the transmitting tube 1, and an exhaust groove 4 is formed in the inner wall of the power adjusting sleeve 3; the front end of the silencing cover 2 is fixed at the front end of the transmitting tube 1, the rear end of the silencing cover 2 is fixedly sleeved on the power adjusting sleeve 3, and a slag collecting bin 5 is formed between the outer wall of the transmitting tube 1 and the inner wall of the silencing cover 2; the emission tube 1 is also provided with an exhaust hole 6 and a power adjusting hole 7, the exhaust hole 6 communicates the inside of the emission tube 1 with the slag collecting bin 5, and the power adjusting hole 7 corresponds to the exhaust groove 4.
The power adjusting sleeve 3 is positioned at the rear end of the transmitting tube 1, and the power adjusting sleeve 3 can rotate on the transmitting tube 1 and cannot move, so that the power adjusting sleeve 3 can correspond to the power adjusting hole 7 through rotation energy. The exhaust groove 4 is a long groove, the groove bottom of the exhaust groove 4 is arc-shaped, the length of the exhaust groove 4 is larger than the diameter of the power adjusting hole 7, and the width of the exhaust groove 4 is not smaller than the diameter of the power adjusting hole 7. When the power adjusting sleeve 3 rotates to the position that the exhaust groove 4 corresponds to the power adjusting hole 7, the inside of the transmitting tube 1 is communicated with the exhaust groove 4, the rifling pressure applied to the nail shooting bullet is minimum at the moment, and the power of the nail shooter is minimum at the moment; when the power adjusting sleeve 3 rotates to the state that the exhaust groove 4 and the power adjusting hole 7 are completely misplaced, the power adjusting hole 7 is completely closed, the rifling pressure of the nail shooting bullet is maximum at the moment, and the power of the nail shooter is maximum at the moment; people can also rotate the power adjusting sleeve 3 directly according to the use environment, so that the opening degree of the power adjusting hole 7 is adjusted, and the nail shooter is adjusted to the adaptive power.
The diameter of the front end of the silencing cover 2 is larger than that of the rear end of the silencing cover 2, so that the front end of the silencing cover 2 is conveniently fixed on the transmitting tube 1, the radial distance between the rear end of the silencing cover 2 and the outer wall of the transmitting tube 1 is larger, and the space of the slag collecting bin 5 is larger; the rear end of the silencing cover 2 is fixedly sleeved on the power adjusting sleeve 3, so that the silencing cover 2 is fixedly installed; the exhaust hole 6 is positioned at the front end of the transmitting tube 1, the power adjusting hole 7 is positioned at the rear end of the transmitting tube 1, the exhaust hole 6 and the power adjusting hole 7 are all inclined holes, namely, the inlet end of the exhaust hole 6 is close to the front end of the transmitting tube 1, and the inlet end of the power adjusting hole 7 is close to the rear end of the transmitting tube 1, so that the distance between the slag collecting bin 5 and the inlet of the exhaust groove 4 is further, and the isolation effect of plastic residues is better.
The inner wall of the power adjusting sleeve 3 is also provided with a power adjusting cabin 8 communicated with the exhaust groove 4, and the other end of the power adjusting cabin 8 penetrates through the front end face of the power adjusting sleeve 3; the launching tube 1 is also sleeved with a slag blocking plate 9, and the slag blocking plate 9 is propped against the front end of the power adjusting sleeve 3. The power adjusting cabin 8 is positioned at the front end of the power adjusting sleeve 3, the power adjusting cabin 8 is a ring groove, an opening of the power adjusting cabin 8 is positioned on the front end face of the power adjusting sleeve 3, and the rear end of the power adjusting cabin 8 is communicated with the exhaust groove 4; the slag baffle 9 is fixed on the transmitting tube 1, the slag baffle 9 is positioned in the silencing cover 2, and the large diameter of the slag baffle 9 is in clearance fit with the inner wall of the silencing cover 2, so that the silencing cover 2 is convenient to install and detach; the diameter of the slag baffle 9 is larger than that of the power adjustment cabin 8, so that the slag baffle 9 can completely seal the power adjustment cabin 8, thereby separating the slag accumulation cabin from the power adjustment cabin 8, effectively preventing plastic residues in the slag collection cabin 5 from entering the power adjustment cabin 8, and ensuring the reliability and applicability of power adjustment.
The power adjusting sleeve 3 is also provided with a locking mechanism 10; the locking mechanism 10 is used for locking the power adjusting sleeve 3, so that the power adjusting sleeve 3 can be locked by the locking mechanism 10 after the power adjusting sleeve 3 is adjusted to a corresponding position, and the power of the nail shooter is ensured by pushing the power adjusting sleeve 3 to rotate by air entering the pressure adjusting hole in the nail shooting process of the nail shooter.
The locking mechanism 10 comprises a set screw 102 and at least one positioning groove 101; the positioning grooves 101 are all positioned on the outer wall of the transmitting tube 1, and the positioning grooves 101 are uniformly distributed at intervals along the circumferential direction of the transmitting tube 1; the fixing screw 102 is mounted on the power adjusting bush 3, and the lower ends of the fixing screws 102 are matched with the plurality of positioning grooves 101. The groove walls of the positioning grooves 101 are spherical, and the distance between two adjacent positioning grooves 101 can be adjusted according to the opening degree of the outlet end of the power adjusting hole 7; the more the size gears are required to be opened to the outlet end of the power adjusting hole 7, the smaller the distance between two adjacent positioning grooves 101 is; the smaller the size shift that needs to be opened to the outlet end of the power adjustment hole 7, the larger the distance between the adjacent two positioning grooves 101.
The fixing screw 102 is a wave ball set screw; the fixing screw 102 is in threaded fit with the power adjusting sleeve 3, the fixing screw 102 is moved along the radial direction of the power adjusting sleeve 3 by screwing the fixing screw 102, so that the lower end of the fixing screw 102 is abutted against the inside of the positioning groove 101, the power adjusting sleeve 3 is locked and fixed on the transmitting tube 1, the power adjusting sleeve 3 is effectively prevented from rotating when the nail shooter works, and the power of the nail shooter in the working process is ensured. The locking mechanism 10 can also be a threaded hole formed in the outer wall of the transmitting tube 1 and a screw arranged on the power adjusting sleeve 3, and when the power adjusting sleeve 3 needs to be fixed, the screw is directly screwed, so that the power adjusting sleeve 3 is locked. When the power of the nail shooter needs to be adjusted, the power adjusting sleeve 3 is rotated by a corresponding angle according to the required power condition, then the fixing screw 102 is screwed, and the lower end of the fixing screw 102 is abutted in the corresponding positioning groove 101, so that the locking and fixing of the power adjusting sleeve 3 are realized.
The outer wall of the power adjusting sleeve 3 is also provided with a first limiting disc 11, and the rear end of the silencing cover 2 is matched with the first limiting disc 11; the first limiting disc 11 and the power adjusting sleeve 3 are integrally arranged, and the diameter of the first limiting disc 11 is equal to the large diameter of the silencing cover 2, so that the outer circular surface of the first limiting disc 11 is level with the outer circular surface of the silencing cover 2; the rear end of the silencing cover 2 and the end face of the first limiting disc 11 have a certain gap, so that the power adjusting sleeve 3 can rotate conveniently.
The rear end of the transmitting tube 1 is provided with a second limiting disc 12, and the rear end of the power adjusting sleeve 3 is propped against the second limiting disc 12. The second limiting disc 12 and the transmitting tube 1 are integrally arranged, and the rear end of the power adjusting sleeve 3 abuts against the second limiting disc 12, so that the second limiting disc 12 limits the rear end of the power adjusting sleeve 3, the power adjusting sleeve 3 is clamped between the slag blocking plate 9 and the second limiting disc 12, and the power adjusting sleeve 3 is effectively prevented from axially moving on the transmitting tube 1.
The front end of the transmitting tube 1 is also fixedly provided with a protective cover 13, and the front end of the silencing cover 2 is abutted against the protective cover 13; the protective cover 13 is positioned at the head of the transmitting tube 1, and the protective cover 13 is used for directly attaching the nail shooter to a station when working, so that the deviation of the nail shooter when working can be effectively prevented, and the nail shooting of the nail shooter is more accurate; the protective cover 13 is abutted against the front end of the silencing cover 2, so that the protective cover 13 can limit the silencing cover 2, and the silencing cover 2 is effectively prevented from generating axial displacement on the transmitting tube 1. The protective cover 13 is in threaded connection with the front end of the transmitting tube 1, so that the protective cover 13 is more convenient to install.
The front end of the transmitting tube 1 is also provided with a spigot 14, and the inner wall of the front end of the silencing cover 2 is also provided with a positioning ring 15 matched with the spigot 14; the front end of the transmitting tube 1 is in a step shaft shape, and a positioning ring 15 on the silencing cover 2 is matched with a spigot 14 on the transmitting tube 1 to limit the silencing cover 2; through the cooperation of tang 14 and safety cover 13, make the front end of amortization cover 2 fixed completely, make the fixed simpler of amortization cover 2, fixed effect is better.
The rear end of the silencing cover 2 is in threaded connection with the power adjusting sleeve 3, a certain gap is reserved between the rear end of the silencing cover 2 and the end face of the first limiting disc 11, so that the power adjusting sleeve 3 can be directly rotated when the nailing machine needs to adjust pressure, the power adjusting sleeve 3 is effectively prevented from being clamped by the silencing cover 2 and the first limiting disc 11 when the power adjusting sleeve 3 needs to be adjusted, and the power adjusting sleeve 3 can be rotated more conveniently.
In the use process, when the power of the nail shooter is required to be adjusted to the maximum, the power adjusting sleeve 3 is rotated, so that the exhaust hole 6 on the power adjusting sleeve 3 is dislocated with the power adjusting hole 7, the power adjusting sleeve 3 seals the power adjusting hole 7, then the fixing screw 102 on the power adjusting sleeve 3 is screwed, the lower end of the fixing screw 102 is abutted against the corresponding positioning groove 101, and the power of the nail shooter is maximum at the moment, thereby realizing the fixation in the power adjusting sleeve 3; when the power of the nail shooter is required to be adjusted to the minimum, the power adjusting sleeve 3 is rotated, the exhaust hole 6 on the power adjusting sleeve 3 is completely corresponding to the power adjusting hole 7, the power adjusting sleeve 3 is used for completely opening the power adjusting hole 7, then the fixing screw 102 on the power adjusting sleeve 3 is screwed, the lower end of the fixing screw 102 is abutted against the corresponding positioning groove 101, and therefore the power of the nail shooter is fixed in the power adjusting sleeve 3, and at the moment, the power of the nail shooter is minimum.
When the nail shooter shoots nails, the plastic shell nail shooting bullet detonates in the launching tube 1, the power adjusting hole 7 at the tail part of the launching tube 1 is closed by the needle striking sleeve positioned in the launching tube 1, and after a certain backseat force is generated by explosion, the power adjusting hole 7 can be opened by pushing the needle striking sleeve backwards for a certain distance. Therefore, plastic residues can be effectively prevented from entering the exhaust groove 4 and the power adjusting cabin 8 through the power adjusting holes 7, and the reliability and the applicability of the power adjusting sleeve 3 are ensured.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. The power-adjustable launching mechanism is characterized by comprising a launching tube, a silencing cover and a power adjusting sleeve; the power adjusting sleeve is rotatably sleeved at the rear end of the transmitting tube, and an exhaust groove is formed in the inner wall of the power adjusting sleeve; the front end of the silencing cover is fixed at the front end of the transmitting tube, the rear end of the silencing cover is fixedly sleeved on the power adjusting sleeve, and a slag collecting bin is formed between the outer wall of the transmitting tube and the inner wall of the silencing cover; the emission pipe is also provided with an exhaust hole and a power adjusting hole, the exhaust hole communicates the inside of the emission pipe with the slag collecting bin, and the power adjusting hole corresponds to the exhaust groove; the inner wall of the power adjusting sleeve is also provided with a power adjusting cabin communicated with the exhaust groove, and the other end of the power adjusting cabin penetrates through the front end face of the power adjusting sleeve; a slag blocking plate is sleeved on the transmitting pipe and is propped against the front end of the power adjusting sleeve; the large diameter of the slag baffle is in clearance fit with the inner wall of the silencing cover; the power adjusting sleeve is also provided with a locking mechanism; the locking mechanism comprises a fixing screw and at least one positioning groove; the positioning grooves are all positioned on the outer wall of the transmitting tube, and are uniformly distributed at intervals along the circumferential direction of the transmitting tube; the fixing screw is arranged on the power adjusting sleeve, and the lower end of the fixing screw is matched with the plurality of positioning grooves; a first limiting disc is further arranged on the outer wall of the power adjusting sleeve, and the rear end of the silencing cover is matched with the first limiting disc; the rear end of the transmitting tube is provided with a second limiting disc, and the rear end of the power adjusting sleeve is propped against the second limiting disc.
2. The adjustable power transmitting mechanism according to claim 1, wherein the front end of the transmitting tube is further fixedly provided with a protective cover, and the front end of the silencing cover abuts against the protective cover.
3. The adjustable power transmitting mechanism according to claim 1, wherein the front end of the transmitting tube is further provided with a spigot, and the inner wall of the front end of the noise reduction cover is further provided with a positioning ring matched with the spigot.
4. The adjustable power transmitting mechanism of claim 1, wherein the rear end of the noise dampening housing is threadably connected to a power adjusting sleeve.
CN201910189063.9A 2019-03-13 2019-03-13 Power-adjustable transmitting mechanism Active CN109719680B (en)

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Application Number Priority Date Filing Date Title
CN201910189063.9A CN109719680B (en) 2019-03-13 2019-03-13 Power-adjustable transmitting mechanism

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Application Number Priority Date Filing Date Title
CN201910189063.9A CN109719680B (en) 2019-03-13 2019-03-13 Power-adjustable transmitting mechanism

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CN109719680A CN109719680A (en) 2019-05-07
CN109719680B true CN109719680B (en) 2024-02-02

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2119993U (en) * 1992-04-18 1992-10-28 四川省南溪县煦源机械厂 Power adjustable nailing launching unit
KR200350646Y1 (en) * 2003-12-24 2004-05-13 용송 하드웨어 앤드 툴 코포레이션 리미티드 Device for discharging nail by the force of an explosive
CN203592464U (en) * 2013-11-19 2014-05-14 四川华庆机械有限责任公司 Power-adjustable nail gun
CN206287100U (en) * 2016-12-14 2017-06-30 四川华庆机械有限责任公司 A kind of force adjusting mechanism for power actuated setting device
CN108747981A (en) * 2018-08-31 2018-11-06 南溪南山设备制造有限公司 A kind of trigger mechanism of explosive driving nailing device
CN109202811A (en) * 2018-10-08 2019-01-15 宜宾市南溪区鑫盛技术开发有限公司 Adjustable power formula axial direction nailing device
CN109202812A (en) * 2018-10-08 2019-01-15 宜宾市南溪区鑫盛技术开发有限公司 Power adjustable shaft is to nailing device
CN209812226U (en) * 2019-03-13 2019-12-20 南溪南山设备制造有限公司 Power-adjustable launching mechanism

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2119993U (en) * 1992-04-18 1992-10-28 四川省南溪县煦源机械厂 Power adjustable nailing launching unit
KR200350646Y1 (en) * 2003-12-24 2004-05-13 용송 하드웨어 앤드 툴 코포레이션 리미티드 Device for discharging nail by the force of an explosive
CN203592464U (en) * 2013-11-19 2014-05-14 四川华庆机械有限责任公司 Power-adjustable nail gun
CN206287100U (en) * 2016-12-14 2017-06-30 四川华庆机械有限责任公司 A kind of force adjusting mechanism for power actuated setting device
CN108747981A (en) * 2018-08-31 2018-11-06 南溪南山设备制造有限公司 A kind of trigger mechanism of explosive driving nailing device
CN109202811A (en) * 2018-10-08 2019-01-15 宜宾市南溪区鑫盛技术开发有限公司 Adjustable power formula axial direction nailing device
CN109202812A (en) * 2018-10-08 2019-01-15 宜宾市南溪区鑫盛技术开发有限公司 Power adjustable shaft is to nailing device
CN209812226U (en) * 2019-03-13 2019-12-20 南溪南山设备制造有限公司 Power-adjustable launching mechanism

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