CN208880629U - A kind of trigger mechanism of explosive driving nailing device - Google Patents
A kind of trigger mechanism of explosive driving nailing device Download PDFInfo
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- CN208880629U CN208880629U CN201821424287.0U CN201821424287U CN208880629U CN 208880629 U CN208880629 U CN 208880629U CN 201821424287 U CN201821424287 U CN 201821424287U CN 208880629 U CN208880629 U CN 208880629U
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- adjusting set
- power adjusting
- transmitting tube
- nailing device
- power
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Abstract
The utility model discloses a kind of trigger mechanisms of explosive driving nailing device, are related to nailing device field, including transmitting tube, power adjusting set, silencer cover；The power adjusting set is set on transmitting tube, and power adjusting set is removable along transmitting tube；The silencer cover front end is set on transmitting tube, and the rear end of silencer cover is set in power adjusting set；Gas vent corresponding with adjusting set is also provided on the transmitting tube.The utility model can not only the power to nailing device quickly adjusted, and structure is simple, and easy to adjust, use is safe.
Description
Technical field
The utility model relates to nailing device fields, in particular to a kind of trigger mechanism of explosive driving nailing device.
Background technique
The requirement of national construction standards, building energy-saving standard is both needed to installation insulating layer in BUILDINGS IN COLD AREAS beyond the region of objective existence wall.And
The fixation of insulating layer mainly uses mechanical anchor (swell fixture) fixing means, remaining fixing means also bonds, pastes plus machinery
Anchoring, spraying and casting etc., insulating layer is fixed on wall base body, however mechanical anchor necessarily has drilling power supply, and wiring is not
Just and work efficiency is low, and there is also construction procedure trouble or fixed insecure disadvantages for remaining fixing means.
Existing exploitation devises the fixed dedicated nailing gun of building insulating layer, and with traditional pre-buried fixation, burrow casting, bolt
Connection, the methods of welding are compared, it, which has, has many advantages: the included energy, to get rid of the burden of electric wire and air hose, just
On site and high altitude operation；Quick, short time limit is operated, labor intensity of workers can be mitigated significantly；Reliable effect and safety, or even also
It can solve some construction difficult problems for being difficult to solve in the past；Saving fund reduces construction cost.And nailing gun is also known as nailing device, by
It is all similar to pistol in shape and principle, therefore frequently referred to nailing gun.It is using transmitting blank cartridge generate powder gas as
Nailing is squeezed into the tool of building body by power.
The power of existing nailing gun is all utilized in the exhaust hole site on its transmitting tube to determine, however manufactures and designs
Product no matter opened up on transmitting tube make multiple rows of or single gas vent, nailing device power is all invariable, only passes through
Change the explosive payload of plastic housing nail shooting pill to adjust the power for penetrating nailing gun, but such mode is not able to satisfy under varying environment requirement
The requirement of its power variation.
Utility model content
The purpose of this utility model is to provide a kind of trigger mechanisms of explosive driving nailing device, can be to the prestige of nailing device
Power size field control, to solve existing to adapt to different rings by changing the explosive payload of plastic housing nail shooting pill or nitrocotton nail shooting pill
The technical requirements in border.
To realize the utility model aim, the technical solution of use are as follows: a kind of trigger mechanism of explosive driving nailing device,
Including transmitting tube, power adjusting set, silencer cover；The power adjusting set is set on transmitting tube, and power adjusting set is along transmitting
Pipe is removable；The silencer cover front end is set on transmitting tube, and the rear end of silencer cover is set in power adjusting set；The transmitting
Gas vent corresponding with adjusting set is also provided on pipe.
Further, the inner wall of the power adjusting set is provided with the first adjusting internal screw thread, and emits and also open in pipe outer wall
External screw thread is adjusted equipped with adjusting the first of screw-internal thread fit with first.
Further, the rear end of the silencer cover offers the second adjusting internal screw thread, and the outer wall of power adjusting set is also opened
External screw thread is adjusted equipped with adjusting the second of screw-internal thread fit with second.
Further, the front end of the silencer cover is provided with internal screw thread, and the outer surface of transmitting tube offers and internal screw thread
The external screw thread of cooperation.
Further, the outer wall of the rear end of the silencer cover and power adjusting set is in clearance fit.
Further, the rear end of the power adjusting set is additionally provided with the first position-arresting disk.
Further, the outer surface of first position-arresting disk is additionally provided with anti-skidding reticulate pattern.
Further, the second position-arresting disk is additionally provided on the transmitting tube, and the second position-arresting disk is located at power adjusting set
Rear.
Further, the gas vent is multiple rows of, and multiple rows of gas vent is arranged along the axis direction uniform intervals of transmitting tube, and
Every row's gas vent includes multiple gas vents along the arrangement of transmitting tube circumference uniform intervals.
Further, the inner wall of the power adjusting set offers multiple discouraged annular grooves, multiple discouraged annular grooves respectively with it is more
It discharges stomata to correspond, and each offers the first air vent on discouraged annular groove.
Further, multiple second air vents corresponding with multiple gas vents are also provided in the power adjusting set.
The utility model has the beneficial effects that
By adjusting power adjusting set, power adjusting set is made to generate certain displacement along transmitting tube；When power adjusting set will arrange
Stomata is completely enclosed, prevents the nail shooting pill explosion gas in transmitting tube from revealing, so that the gun pressure of nail shooting pill be made to become larger, improves
The power of nailing device；When power adjusting set fully opens gas vent, makes to be connected to inside transmitting tube with silencer cover inner wall, make to send out
The nail shooting pill explosion gas penetrated in pipe can enter in silencer cover, so that the gun pressure of nail shooting pill be made to become smaller, finally make nailing device
Power reduces.
The utility model can not only the power to nailing device quickly adjusted, and structure is simple, easy to adjust, uses peace
Entirely.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the trigger mechanism of the explosive driving nailing device provided in embodiment 1；
Fig. 2 is the cross-sectional view of middle transmitting tube in Fig. 1；
Fig. 3 is the structure chart of power adjusting set in Fig. 1；
Fig. 4 is the cross-sectional view of power adjusting set in Fig. 1；
Fig. 5 is the cross-sectional view of silencer cover in Fig. 1；
Fig. 6 is the cross-sectional view of the trigger mechanism of the explosive driving nailing device provided in embodiment 2；
Fig. 7 is the structure chart of power adjusting set in Fig. 6；
Fig. 8 is the cross-sectional view of power adjusting set in Fig. 6；
Fig. 9 is the cross-sectional view of the trigger mechanism of the explosive driving nailing device provided in embodiment 3；
Figure 10 is the structure chart of power adjusting set in Fig. 9；
Figure 11 is the cross-sectional view of power adjusting set in Fig. 9；
Figure 12 is the cross-sectional view of the trigger mechanism of the explosive driving nailing device provided in embodiment 4；
Figure 13 is the structure chart of power adjusting set in Figure 12；
Figure 14 is the cross-sectional view of power adjusting set in Figure 12.
Label and corresponding parts title in attached drawing:
1, transmitting tube, 2, power adjusting set, 3, silencer cover, 4, gas vent, 5, first adjusts internal screw thread, and the 6, first adjusting is outer
Screw thread, the 7, second adjusting internal screw thread, the 8, second adjusting external screw thread, 9, internal screw thread, 10, external screw thread, the 11, first position-arresting disk, 12,
Second position-arresting disk, 13, discouraged annular groove, the 14, first air vent, the 15, second air vent.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile it is practical new at this
In the description of type, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside" is side based on the figure
Position or positional relationship or the utility model product using when the orientation or positional relationship usually put, be merely for convenience of
Describe the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Embodiment 1
The trigger mechanism of the explosive driving nailing device of one kind provided by the utility model shown by Fig. 1 to Fig. 5, including hair
Penetrate pipe 1, power adjusting set 2, silencer cover 3；The power adjusting set 2 is set on transmitting tube 1, and power adjusting set 2 is along transmitting
Pipe 1 is removable；3 front end of silencer cover is set on transmitting tube 1, and the rear end of silencer cover 3 is set in power adjusting set 2；Institute
It states and is also provided with gas vent 4 corresponding with adjusting set on transmitting tube 1.
The power adjusting set 2 can be moved forward and backward along 1 outer wall of transmitting tube, and the inner wall of power adjusting set 2 and transmitting tube 1
Outer wall in sealing cooperation, air cannot the gap between the inner wall of power adjusting set 2 and the outer wall of transmitting tube 1 circulate.It is described
Silencer cover 3 makes the middle part of silencer cover 3 in cavity structure in broad in the middle small in ends.The front end of the power adjusting set 2 is located at noise reduction
In cover 3, and gas vent 4 is located at the front of power adjusting set 2, and gas vent 4 is covered by silencer cover 3, specifically, gas vent
4 close to the front end of power adjusting set 2.The opening and closing of gas vent 4 can be realized by mobile power adjusting set 2.When power tune
When the front end of section 2 transmitting tubes 1 of set is mobile, gas vent 4 is closed in the front end of power adjusting set 2, is closed gas vent 4, improves
The gun pressure of nail shooting pill, so that the power of nailing device improves；When power adjusting set 2 is mobile to the rear end of transmitting tube 1, power is adjusted
Set 2 is opened gas vent 4, and 1 inside of transmitting tube is connected to the cavity structure of silencer cover 3, realization to 1 internal pressure relief of transmitting tube, from
And reduce the power of nailing device.
The front end of the transmitting tube 1 is the transmitting terminal of transmitting tube 1, and the rear end of transmitting tube 1 is one end far from transmitting terminal；Institute
The front end for stating silencer cover 3 is silencer cover 3 close to one end of 1 front end of transmitting tube, and the rear end of silencer cover 3 is silencer cover 3 close to transmitting
One end of 1 rear end of pipe；The front end of the power adjusting set 2 is power adjusting set 2 close to one end of 1 front end of transmitting tube, power tune
The rear end of section set 2 is the one end of power adjusting set 2 close to 1 rear end of transmitting tube.
The inner wall of the power adjusting set 2 is provided with the first adjusting internal screw thread 5, and be also provided on 1 outer wall of transmitting tube with
First, which adjusts internal screw thread 5 cooperates first, adjusts external screw thread 6.Specifically, the power adjusting set 2 is stepped sleeve shape, power
The bigger diameter end of adjusting set 2 is the rear end of power adjusting set 2, and the miner diameter end of power adjusting set 2 is the front end of power adjusting set 2.Institute
The rear end for stating silencer cover 3 is set in the bigger diameter end of power adjusting set 2, and the length of 2 bigger diameter end of power adjusting set is adjusted greater than power
2 distances that move along transmitting tube 1 of set, make power adjusting set 2 during back-and-forth motion, the rear end of silencer cover 3 always with power
The bigger diameter end of adjusting set 2 cooperates.The first adjusting internal screw thread 5 is specifically provided on the inner wall of 2 bigger diameter end of power adjusting set, is led to
It crosses the first adjusting external screw thread 6 and first and adjusts the cooperation of internal screw thread 5, turn power adjusting set 2, make power adjusting set 2 along transmitting
Pipe 1 is mobile, to realize the opening and closing of gas vent 4, not only makes the easy to adjust of power adjusting set 2, meanwhile, prevent power
Adjusting set 2 automatically generates displacement when not by artificially adjusting.
The front end of the silencer cover 3 is provided with internal screw thread 9, and the outer surface of transmitting tube 1 offers and the cooperation of internal screw thread 9
External screw thread 10.Specifically, the front end of the silencer cover 3 is set in the front end of transmitting tube 1, the rear end of silencer cover 3 is set in power
The rear end of adjusting set 2, and the front end of power adjusting set 2 is located at the middle part of silencer cover 3.Connect the front end of silencer cover 3 by screw thread
It connects mode to connect with the front end of transmitting tube 1, not only realizes the fixation of silencer cover 3, and keep the installation and removal of silencer cover 3 more square
Just.
The rear end of the silencer cover 3 and the outer wall of power adjusting set 2 are in clearance fit.Move power adjusting set 2 in front and back
During dynamic, the surface of 2 rear end of power adjusting set cooperates with the inner wall of 3 rear end of silencer cover always, facilitates the shifting of power adjusting set 2
It is dynamic.The rear end of the power adjusting set 2 is additionally provided with the first position-arresting disk 11, after the major diameter of the first position-arresting disk 11 is greater than silencer cover 3
The internal diameter at end, and the first position-arresting disk 11 is structure as a whole with power adjusting set 2, makes the first position-arresting disk 11 and power adjusting set 2
Connect it is stronger, make power adjusting set 2 move forward when, the rear end of silencer cover 3 can limit power adjusting set 2,
Prevent nailing device during nailing, since the recoil of nailing device makes power adjusting set 2 generate displacement forward.First limit
The outer surface of position disk 11 is additionally provided with anti-skidding reticulate pattern, and people is enable to adjust power by rotating the first position-arresting disk 11 in rotation
2 rotation of set, prevents people when holding the first position-arresting disk 11, the first position-arresting disk 11 skids.
The second position-arresting disk 12 is additionally provided on the transmitting tube 1, and after the second position-arresting disk 12 is located at power adjusting set 2
Side.The major diameter of second position-arresting disk 12 makes the surface of the first position-arresting disk 11 be higher than second less than the major diameter of the first position-arresting disk 11
The surface of position-arresting disk 12 facilitates people when needing to rotate power adjusting set 2, and people can hold the first position-arresting disk 11, facilitates people
Rotate power adjusting set 2；Meanwhile by the way that the second position-arresting disk 12 is arranged, make power adjusting set 2 when moving backward, the second limit
Position disk 12 can stop the first position-arresting disk 11, realize limit when power adjusting set 2 moves backward, prevent nailing device from penetrating
During nail, since the recoil of nailing device makes power adjusting set 2 generate displacement backward.
The gas vent 4 be it is multiple rows of, multiple rows of gas vent 4 along transmitting tube 1 axis direction uniform intervals arrange, and every row arrange
Stomata 4 includes multiple gas vents 4 along the arrangement of 1 circumference uniform intervals of transmitting tube.Gas vent in gas vent 4 described in every row
4 quantity can be equal or unequal, makes the inside of transmitting tube 1 and the channel that is connected between the cavity structure in silencer cover 3
More, by mobile power adjustment seat, it is changed the closed quantity of gas vent 4, to make the nailing generated in transmitting tube 1
It plays explosion gas and enters the difference of the speed in silencer cover 3, the degree that power is decreased or increased is different.
When needing to reduce the power of nailing device, by rotating forward the first position-arresting disk 11, make power adjusting set 2 with the first limit
Disk 11 rotate forward, by first adjust internal screw thread 5 with first adjusting external screw thread 6 cooperation, make power adjusting set 2 along transmitting tube 1 to
Preceding movement, power adjusting set 2 close gas vent 4, prevent the nail shooting pill explosion gas of the interior generation in transmitting tube 1 from into
Enter into silencer cover 3, prevent the nail shooting pill explosion gas in transmitting tube 1 from revealing, so that the gun pressure of nail shooting pill be made to become larger, improves
The power of nailing device；When needing to reduce the power of nailing device, by overturn the first position-arresting disk 11, make power adjusting set 2 with
The reversion of first position-arresting disk 11, so that power adjusting set 2 be made to move backward along transmitting tube 1, power adjusting set 2 opens gas vent 4,
Make to be connected in 1 inside of transmitting tube and silencer cover 3, can enter the nail shooting pill explosion gas in transmitting tube 1 in silencer cover 3, from
And the gun pressure of nail shooting pill is made to become smaller, finally reduce the power of nailing device.
When needing the power to nailing device to be adjusted, the first position-arresting disk 11 can be rotated, make the opening pair of power adjusting set 2
The gas vent 4 for answering quantity makes to change in transmitting tube 1 with the number of channels being connected in silencer cover 3, makes penetrating in transmitting tube 1
The efficiency that langrage explosion gas enters in silencer cover 3 changes, to keep the power of nailing device different.
Embodiment 2
As shown in Figure 6 to 8, the present embodiment difference from example 1 is that:
The inner wall of the power adjusting set 2 offers multiple discouraged annular grooves 13, and multiple discouraged annular grooves 13 are put with multiple rows of respectively
Stomata corresponds, and each offers the first air vent 14 on discouraged annular groove 13.Each discouraged annular groove 13 and every group of exhaust
Hole 4 is corresponding, by the rotation of power adjusting set 2, keeps the air vent positioned at same row jointly corresponding with a discouraged annular groove 13, should
Whole gas vents 4 in group gas vent 4 are jointly corresponding with discouraged annular groove 13, then the air vent by being connected to discouraged annular groove 13
It is connected to in silencer cover 3, makes the nail shooting pill in transmitting tube 1 in generation explosion time, nail shooting pill explosion gas can be located at by multiple
The gas vent 4 of same row is entered jointly in discouraged annular groove 13, and the nail shooting pill explosion gas entered in discouraged annular groove 13 leads to again
It crosses air vent to be drained into silencer cover 3, so that the power that realization to pressure release is carried out in transmitting tube 1, is nailing device reduces.
When needing the power to transmitter to be adjusted, can be rotated power adjusting set 2, make multiple discouraged slots respectively with it is more
It arranges gas vent 4 to correspond to, to make to change in transmitting tube 1 with the number of channels being connected in silencer cover 3, make in transmitting tube 1
The efficiency that nail shooting pill explosion gas enters in silencer cover 3 changes, to keep the power of nailing device different.
Embodiment 3
As shown in Figures 9 to 11, the present embodiment difference from example 1 is that:
Multiple second air vents 15 corresponding with multiple gas vents 4 are also provided in the power adjusting set 2.When power tune
When section 2 rotation of set, when power adjusting set 2 turns to certain angle, one of them second air vent 15 that power is adjusted is right
Answer a gas vent 4 in ground, make in transmitting tube 1 with constitute a communicating passage in silencer cover 3, with power adjusting set 2 after
Continuous rotation, the second air vent 15 quantity corresponding with gas vent 4 that power is adjusted increase, and keep transmitting tube 1 interior and structure in silencer cover 3
At communicating passage increase, so that the efficiency for entering the nail shooting pill explosion gas in transmitting tube 1 in silencer cover 3 becomes
Change, to keep the power of nailing device different.
Embodiment 4
As shown in Figure 12 to Figure 14, the present embodiment and embodiment 1,2,3 the difference is that:
The rear end of the silencer cover 3 offers the second adjusting internal screw thread 7, and the outer wall of power adjusting set 2 be also provided with
Second, which adjusts internal screw thread 7 cooperates second, adjusts external screw thread 8.Internal screw thread 7 and Article 2 street external screw thread are adjusted by using second
10 cooperation enables power adjusting set 2 to move forward or back when rotating along transmitting tube 1, adjusts internal screw thread 5 instead of first at this time
The cooperation for adjusting external screw thread 6 with first, the i.e. inner wall of power adjusting set 2 can be set the first adjusting internal screw thread 7, can not also set
Set the first adjusting internal screw thread 7；The first adjusting external screw thread 6 can be set on 1 outer wall of transmitting tube, can also be not provided with outside the first adjusting
Screw thread 6 makes the rotation of power adjusting set 2 equally be able to achieve power adjusting set 2 and moves forward or back along transmitting tube 1, realizes exhaust
The opening and closing in hole 4 achieve the effect that power is adjusted.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of trigger mechanism of explosive driving nailing device, which is characterized in that including transmitting tube, power adjusting set, silencer cover；
The power adjusting set is set on transmitting tube, and power adjusting set is removable along transmitting tube；The silencer cover front end is set in
On transmitting tube, the rear end of silencer cover is set in power adjusting set；Row corresponding with adjusting set is also provided on the transmitting tube
Stomata.
2. the trigger mechanism of explosive driving nailing device according to claim 1, which is characterized in that the power adjusting set
Inner wall be provided with the first adjusting internal screw thread, and emit to be also provided in pipe outer wall and adjust the first of screw-internal thread fit with first and adjust
Save external screw thread.
3. the trigger mechanism of explosive driving nailing device according to claim 1, which is characterized in that after the silencer cover
End offers the second adjusting internal screw thread, and the outer wall of power adjusting set is also provided with the second tune for adjusting screw-internal thread fit with second
Save external screw thread.
4. the trigger mechanism of explosive driving nailing device according to claim 2 or 3, which is characterized in that the silencer cover
Front end be provided with internal screw thread, and the outer surface of transmitting tube offers the external screw thread with screw-internal thread fit.
5. the trigger mechanism of explosive driving nailing device according to claim 2, which is characterized in that after the silencer cover
The outer wall of end and power adjusting set is in clearance fit.
6. the trigger mechanism of explosive driving nailing device according to claim 2 or 3, which is characterized in that the power tune
The rear end of section set is additionally provided with the first position-arresting disk.
7. the trigger mechanism of explosive driving nailing device according to claim 6, which is characterized in that on the transmitting tube also
It is provided with the second position-arresting disk, and the second position-arresting disk is located at the rear of power adjusting set.
8. the trigger mechanism of explosive driving nailing device according to claim 2 or 3, which is characterized in that the gas vent
To be multiple rows of, multiple rows of gas vent is arranged along the axis direction uniform intervals of transmitting tube, and every row's gas vent includes multiple along transmitting tube
The gas vent of circumference uniform intervals arrangement.
9. the trigger mechanism of explosive driving nailing device according to claim 8, which is characterized in that the power adjusting set
Inner wall offer multiple discouraged annular grooves, multiple discouraged annular grooves are corresponded with multiple rows of air vent respectively, and the annular groove that each loses heart
On offer the first air vent.
10. the trigger mechanism of explosive driving nailing device according to claim 8, which is characterized in that in power adjusting set
It is also provided with multiple second air vents corresponding with multiple gas vents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821424287.0U CN208880629U (en) | 2018-08-31 | 2018-08-31 | A kind of trigger mechanism of explosive driving nailing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821424287.0U CN208880629U (en) | 2018-08-31 | 2018-08-31 | A kind of trigger mechanism of explosive driving nailing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208880629U true CN208880629U (en) | 2019-05-21 |
Family
ID=66510750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821424287.0U Active CN208880629U (en) | 2018-08-31 | 2018-08-31 | A kind of trigger mechanism of explosive driving nailing device |
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| Country | Link |
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| CN (1) | CN208880629U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-08-31 CN CN201821424287.0U patent/CN208880629U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108747981B (en) * | 2018-08-31 | 2024-02-27 | 南溪南山设备制造有限公司 | Emission mechanism of explosive type driving nail shooter |
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