CN221211531U - High shear pin mounting tool that takes out of aircraft big base angle - Google Patents
High shear pin mounting tool that takes out of aircraft big base angle Download PDFInfo
- Publication number
- CN221211531U CN221211531U CN202323176922.1U CN202323176922U CN221211531U CN 221211531 U CN221211531 U CN 221211531U CN 202323176922 U CN202323176922 U CN 202323176922U CN 221211531 U CN221211531 U CN 221211531U
- Authority
- CN
- China
- Prior art keywords
- shell
- torque
- spring
- impact hammer
- nail
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000000605 extraction Methods 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 15
- 230000037431 insertion Effects 0.000 claims description 14
- 210000000078 claw Anatomy 0.000 claims description 4
- 230000009471 action Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing 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
- 238000009527 percussion Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Landscapes
- Portable Nailing Machines And Staplers (AREA)
Abstract
The application discloses an aircraft high-base-angle high-shear-resistance nail-pulling installation tool, which comprises: the device comprises a machine body, a shell, a torque device, a nail drawing adapter assembly and a gun head. The machine body comprises a machine shell, an impact hammer and a pneumatic motor, wherein the impact hammer and the pneumatic motor are both arranged on the machine shell, and the impact hammer is in transmission connection with the pneumatic motor. One end of the shell is fixedly connected with the machine body. The torque device is arranged in the shell, one end of the torque device is in transmission fit with the impact hammer, and the other end of the torque device is provided with a caulking groove part. The staple adapter assembly includes an slug portion that is embedded in the slug portion. The gun head is detachably connected to the other end of the shell, and the gun head covers the nail drawing adapter assembly. The gun head and the nail drawing adapter component in the high-base-angle high-shear nail drawing installation tool of the aircraft can be conveniently disassembled and replaced so as to be suitable for nail drawing of different structures and sizes, so that the universality is strong, and the cost is reduced.
Description
Technical Field
The utility model relates to the technical field of installation tools, in particular to an aircraft high-base-angle high-shear-resistance nail drawing installation tool.
Background
The high shear drawing nail with large base angle has the advantages of strong shearing resistance, large clamping force and the like, has important functions in aircraft manufacturing and maintenance, is widely applied to riveting of novel aircraft composite structural members, and adopts MBF series drawing nails produced by MONOGRAM company before.
It is often necessary to use a specialized mounting tool to mount the staple, and the staple gun provided in the related art has a staple adaptor assembly that is adapted to mate with the staple to rotate the screw of the staple under the action of the mounting tool. However, the same standard nail extractor has different structures and diameters, a nail extractor needs to be respectively arranged for the nail extractor of each structure and diameter, and the existing nail extractor has the problems of poor universality and high cost.
In view of this, the present utility model has been made.
Disclosure of Invention
The utility model provides an aircraft high-base-angle high-shear-resistance nail-drawing installation tool.
The utility model adopts the following technical scheme:
An aircraft high base angle high shear pin extraction installation tool, comprising:
The machine body comprises a machine shell, an impact hammer and a pneumatic motor, wherein the impact hammer and the pneumatic motor are arranged on the machine shell and are in transmission connection;
one end of the shell is fixedly connected to the machine body;
The torque device is arranged in the shell, one end of the torque device is in transmission fit with the impact hammer, and the other end of the torque device is provided with a caulking groove part;
The nail drawing adapter assembly comprises an embedded block part which is embedded in the embedded groove part;
The gun head is detachably connected to the other end of the shell, and the gun head covers the nail drawing adapter assembly.
Optionally, the torque device comprises a spring shell, a torque head, a torque spring and a pin shaft;
One end of the spring shell is in transmission fit with the impact hammer;
the spring shell is provided with a cavity and a spiral groove communicated with the cavity;
The torque head is slidably connected to the cavity, the pin shaft is connected to the torque head, and the pin shaft extends to the spiral groove;
the torque spring is arranged in the cavity, and one end of the torque spring is propped against the torque head;
The torque head is provided with the caulking groove part.
Optionally, two first protrusions are disposed at one end of the torque head away from the impact hammer;
The two first convex parts are provided with flat walls, the flat walls of the two first convex parts are parallel, and the caulking groove part is formed between the two flat walls;
the inserted block part is a straight plate body and is inserted between two straight walls.
Optionally, a first jack is arranged on the bottom wall of the caulking groove part;
a first inserting shaft is arranged on the embedded block part;
The first inserting shaft can be inserted into the first inserting hole.
Optionally, two second protrusions are arranged at one end of the impact hammer, which is away from the pneumatic motor, and the two second protrusions are arranged at intervals;
A convex plate is arranged at one end of the spring shell, which is close to the pneumatic motor;
the convex plate is embedded between the two second convex parts.
Optionally, a second jack is arranged at one end of the impact hammer, which is away from the pneumatic motor;
the convex plate is provided with a second inserting shaft;
The second inserting shaft is inserted into the second inserting hole.
Optionally, the screw extraction adapter assembly includes a rear plug and an adapter housing;
The adapter shell is provided with a cavity, a first port and a second port, wherein the first port and the second port are communicated with the adapter shell, the first port is used for inserting a drawing pin, the rear plug is fixedly connected to the adapter shell, and the second port is closed by the rear plug;
the rear plug is provided with the embedded block part.
Optionally, a cavity is formed between the rear plug and the adapter housing;
The screw extraction adapter assembly comprises a spring and a top core, and the spring and the top core are arranged in the cavity;
One end of the spring abuts against the rear plug, and the other end of the spring abuts against the top core.
Optionally, the rifle head deviates from the one end of casing is provided with and takes out nail cooperation portion, take out nail cooperation portion for polygonal groove or claw structure.
Optionally, a reversing control part is arranged on the machine body;
The reversing control part is used for controlling the rotation direction of the pneumatic motor.
By adopting the technical scheme, the utility model has the following beneficial effects:
The gun head and the nail drawing adapter component in the high-base-angle high-shear nail drawing installation tool of the aircraft can be conveniently disassembled and replaced so as to be suitable for nail drawing of different structures and sizes, so that the universality is strong, and the cost is reduced.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
FIG. 1 is a cross-sectional view of an aircraft high base angle high shear pin extraction installation tool provided by an embodiment of the application;
FIG. 2 is an exploded view of an aircraft high base angle high shear pin extraction installation tool provided by an embodiment of the application;
FIG. 3 is an exploded view of a staple adapter assembly of an aircraft high base angle high shear staple installation tool provided by an embodiment of the present application;
FIG. 4 is an exploded view of a torque device of an aircraft high base angle high shear pin extraction installation tool provided by an embodiment of the application;
Fig. 5 is a schematic structural view of a four-claw gun head of an aircraft high-base-angle high-shear-resistance nail-pulling installation tool according to an embodiment of the application.
In the figure, 1, a machine body; 11. a housing; 12. a percussion hammer; 121. a second convex portion; 122. a second jack; 13. a pneumatic motor; 14. a switch button; 15. a reversing knob; 16. an intake engine interface; 2. a housing; 3. a torque device; 31. a spring housing; 311. a convex plate; 312. a second insertion shaft; 32. a torque head; 321. a caulking groove portion; 322. a first jack; 33. a torque spring; 35. a pin shaft; 4. a staple extracting adapter assembly; 41. a rear plug; 411. an insert part; 412. a first insertion shaft; 42. an adapter housing; 43. a spring; 44. a top core; 5. gun head.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 4, an embodiment of the present application provides an aircraft high-base-angle high-shear-resistance nail-extraction installation tool, including: a machine body 1, a shell 2, a torque device 3, a nail drawing adapter assembly 4 and a gun head 5. The machine body 1 comprises a machine shell 11, an impact hammer 12 and a pneumatic motor 13, wherein the impact hammer 12 and the pneumatic motor 13 are both arranged on the machine shell 11, and the impact hammer 12 is in transmission connection with the pneumatic motor 13. One end of the shell 2 is fixedly connected to the machine body 1. The torque device 3 is arranged in the shell 2, one end of the torque device 3 is in transmission fit with the impact hammer 12, and the other end of the torque device 3 is provided with a caulking groove portion 321. The staple adapter assembly 4 comprises an slug portion 411, said slug portion 411 being embedded in said slug portion 321. The gun head 5 is detachably connected to the other end of the shell 2, and the gun head 5 covers the nail drawing adapter assembly 4.
One end of the impact hammer 12 can be connected with the output end of the pneumatic motor 13 in a threaded manner, the end of the impact hammer 12 and the pneumatic motor 13 can be fixed through threaded combination with an elastic pin, and the impact hammer 12 cannot loosen in both the forward and reverse directions of the pneumatic motor 13. The pneumatic motor 13 rotates to drive the impact hammer 12, the impact hammer 12 rotates to drive the torque device 3 to rotate, the torque device 3 rotates to drive the nail drawing adapter assembly 4 to rotate, the nail drawing end is limited to the nail drawing adapter assembly 4, the nail drawing adapter assembly 4 rotates to drive the screw rod of the nail drawing to rotate, and the installation of the nail drawing is realized.
The gun head 5 and the nail drawing adapter component 4 in the aircraft high-base-angle high-shear nail drawing installation tool provided by the embodiment of the application can be conveniently disassembled and replaced, and the nail drawing adapter component 4 with different model sizes can be replaced so as to be suitable for nail drawing with different structures and sizes, so that the tool universality is strong, and the cost is reduced.
In some possible embodiments, the torque device 3 includes a spring shell 31, a torque head 32, a torque spring 33 and a pin shaft 35, one end of the spring shell 31 is in driving engagement with the impact hammer 12, the spring shell 31 has a cavity and a spiral groove communicating with the cavity, the torque head 32 is slidably connected to the cavity, the pin shaft 35 is connected to the torque head 32, the pin shaft 35 extends to the spiral groove, the torque spring 33 is disposed in the cavity, and one end of the torque spring 33 abuts against the torque head 32, and the caulking groove 321 is disposed on the torque head 32.
The torque spring 33 is abutted against the torque head 32, and the torque head 32 is connected with the spring shell 31 by using the pin shaft 35, so that torque can be generated, and the reaction force generated when the drawing nail is screwed can be eliminated. The impact hammer 12 rotates to drive the spring shell 31 to rotate, and the spring shell 31 rotates to drive the torque head 32 to rotate through the spiral groove driving pin shaft 35, so that torsion can be applied to the screw drawing adapter assembly 4. The caulking groove portion 321 can be a straight-line type, the caulking block portion 411 is a straight-line type block matched with the caulking groove portion, the caulking block portion 411 can be conveniently embedded into the caulking groove portion 321 to realize transmission matching of the caulking groove portion and the caulking groove portion, the matching structure of the torque head 32 of the torque device 3 and the nail drawing adapter assembly 4 is simple, the caulking groove portion belongs to key groove quick-insertion matching, the nail drawing adapter assembly 4 can be quickly replaced when nails of different standards or nails of the same standard and different diameters are mounted, time is saved, and quick assembly of the nail drawing adapter assembly 4 is facilitated.
In some possible embodiments, the torque head 32 is provided with two first protrusions at an end facing away from the impact hammer 12, the two first protrusions each have a flat wall, the flat walls of the two first protrusions are parallel, the caulking groove 321 is formed between the two flat walls, and the caulking piece 411 is a flat plate body so as to be inserted between the two flat walls. The first convex part of the insert part 411 and the end part of the torque head 32 is in surface-to-surface fit, so that the stability of the matched structure is good, and the power transmission is stable.
In some possible embodiments, referring to fig. 2, a first insertion hole 322 is formed on the bottom wall of the caulking portion 321, and a first insertion shaft 412 is formed on the caulking portion 411, where the first insertion shaft 412 can be inserted into the first insertion hole 322. The first insertion shaft 412 is inserted into the first insertion hole 322 to define the relative positions of the torque head 32 and the screw extracting adapter assembly 4, so that the stability of the matched structure of the torque head and the screw extracting adapter assembly is higher.
In some possible embodiments, two second protrusions 121 are provided at an end of the impact hammer 12 facing away from the air motor 13, and the two second protrusions 121 are provided at a distance. The spring housing 31 is provided with a protruding plate 311 at one end near the air motor 13. The convex plate 311 is embedded between the two second convex parts 121. When the air motor 13 rotates at a high speed, the protruding plate 311 may be touched, and an impact force may be applied to the protruding plate 311, so that the protruding plate 311 and the spring housing 31 rotate synchronously while also withstanding the charging reaction force.
In some possible embodiments, referring to fig. 2, a second insertion hole 122 is provided at an end of the impact hammer 12 facing away from the air motor 13, and a second insertion shaft 312 is provided on the protruding plate 311, and the second insertion shaft 312 is inserted into the second insertion hole 122, so that the relative positions of the impact hammer 12 and the spring case 31 are defined, and stability and reliability of power transmission are improved.
In some possible embodiments, referring to fig. 3, the screw extracting adaptor assembly 4 includes a rear plug 41 and an adaptor housing 42, the adaptor housing 42 has a cavity and a first port and a second port which are communicated with the adaptor housing 42, the first port is used for inserting a screw extracting, the rear plug 41 is fixedly connected to the adaptor housing 42, the rear plug 41 closes the second port, and the insert part 411 is disposed on the rear plug 41. The first port of the adapter housing 42 is a flat port, and the screw end of the drawing pin is flat and can be inserted into the first port. During rotation of the adapter housing 42, the screw of the staple can be driven to rotate. The first port of the adapter housing 42 of the staple adapter assembly 4 is different in size and shape from one gauge or configuration to another. The application can be equipped with a plurality of screw extracting adapter assemblies 4 with different specifications and structures by the same installation tool so as to meet different requirements.
A cavity is formed between the rear plug 41 and the adapter housing 42, the screw-extracting adapter assembly 4 comprises a spring 43 and a top core 44, the spring 43 and the top core 44 are both arranged in the cavity, one end of the spring abuts against the rear plug 41, and the other end of the spring abuts against the top core 44.
The screw rod of the screw thread drawing nail is put into the adapter shell 42 and then contacts with the top core 44, the length of the screw rod of the screw thread drawing nail penetrating into the adapter shell 42 is continuously increased in the working process, the spring 43 is continuously compressed, after the preset torque is reached, the screw rod of the screw thread drawing nail is twisted off and falls off from the main body, and the screw rod penetrating into the adapter is ejected under the action of the spring 43, so that the next new screw thread drawing nail can be conveniently operated.
In some possible embodiments, the end of the gun head 5 facing away from the housing 2 is provided with a nail-drawing mating part, and the end of the gun head 5 is provided with an insertion port for inserting a nail, and the nail-drawing mating part is a polygonal groove or a convex claw structure.
The polygonal groove may be a hexagonal groove and the pawl structure may be a four-pawl structure, for example, see the four-pawl gun head shown in fig. 5. In the application, the gun head can adopt various national standards and American standard gun heads such as four claws, six corners and the like, the specific type of the gun head is not limited, and the gun head with any structure is suitable for the installation tool provided by the application.
During operation, the screw-extracting matching part can clamp nuts on the screw-extracting, the gun head 5 can be in threaded connection with the shell 2, the gun head 5 can be disassembled and assembled by using a 16mm open spanner, a special tool is not needed, and the working efficiency is high.
In some possible embodiments, a reversing control for controlling the direction of rotation of the air motor may be provided on the machine body 1. For example, an air path control assembly can be arranged in the machine body and used for connecting with the air motor and driving the air motor to rotate, the reversing control part can be a reversing knob 15 and is arranged on the air path control assembly and used for controlling the air flow direction to control the rotation direction of the air motor. Referring to fig. 1, an air inlet interface 16 is arranged on the machine body 1, which is connected with a compressed air source, a switch button 14 on the machine body 1 is pressed down, the air motor 13 rotates under the action of compressed air, the air motor 13 can be controlled to rotate clockwise and anticlockwise through a reversing knob 15, a first type screw is installed in a clockwise rotation mode, and a second type screw is installed in an anticlockwise rotation mode. It should be noted that the prior art of the air path control assembly, the air motor and the reversing knob 15 is more disclosed, and the structure thereof is not repeated.
The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present utility model without departing from the scope of the utility model.
Claims (10)
1. An aircraft high base angle high shear pin extraction mounting tool, comprising:
The machine body comprises a machine shell, an impact hammer and a pneumatic motor, wherein the impact hammer and the pneumatic motor are arranged on the machine shell and are in transmission connection;
one end of the shell is fixedly connected to the machine body;
The torque device is arranged in the shell, one end of the torque device is in transmission fit with the impact hammer, and the other end of the torque device is provided with a caulking groove part;
The nail drawing adapter assembly comprises an embedded block part which is embedded in the embedded groove part;
The gun head is detachably connected to the other end of the shell, and the gun head covers the nail drawing adapter assembly.
2. The aircraft high base angle high shear pin extraction installation tool of claim 1, wherein the torque device comprises a spring housing, a torque head, a torque spring, and a pin;
One end of the spring shell is in transmission fit with the impact hammer;
the spring shell is provided with a cavity and a spiral groove communicated with the cavity;
The torque head is slidably connected to the cavity, the pin shaft is connected to the torque head, and the pin shaft extends to the spiral groove;
the torque spring is arranged in the cavity, and one end of the torque spring is propped against the torque head;
The torque head is provided with the caulking groove part.
3. The aircraft high base angle high shear pin extraction mounting tool according to claim 2, wherein one end of the torque head facing away from the impact hammer is provided with two first protrusions;
The two first convex parts are provided with flat walls, the flat walls of the two first convex parts are parallel, and the caulking groove part is formed between the two flat walls;
the inserted block part is a straight plate body and is inserted between two straight walls.
4. The aircraft high base angle high shear pin extraction mounting tool according to claim 3, wherein a first insertion hole is formed in the bottom wall of the caulking groove portion;
a first inserting shaft is arranged on the embedded block part;
The first inserting shaft can be inserted into the first inserting hole.
5. The aircraft high-base-angle high-shear-resistance nail pulling installation tool according to claim 4, wherein two second convex parts are arranged at one end of the impact hammer, which is away from the pneumatic motor, and the two second convex parts are arranged at intervals;
A convex plate is arranged at one end of the spring shell, which is close to the pneumatic motor;
the convex plate is embedded between the two second convex parts.
6. The aircraft high base angle high shear pin extraction mounting tool of claim 5, wherein a second jack is provided at an end of the impact hammer facing away from the air motor;
the convex plate is provided with a second inserting shaft;
The second inserting shaft is inserted into the second inserting hole.
7. The aircraft high base angle high shear pin extraction installation tool of claim 6, wherein the pin extraction adapter assembly comprises a rear bulkhead and an adapter housing;
The adapter shell is provided with a cavity, a first port and a second port, wherein the first port and the second port are communicated with the adapter shell, the first port is used for inserting a drawing pin, the rear plug is fixedly connected to the adapter shell, and the second port is closed by the rear plug;
the rear plug is provided with the embedded block part.
8. The aircraft high base angle high shear pin extraction installation tool of claim 7, wherein a cavity is formed between the rear bulkhead and the adapter housing;
The screw extraction adapter assembly comprises a spring and a top core, and the spring and the top core are arranged in the cavity;
One end of the spring abuts against the rear plug, and the other end of the spring abuts against the top core.
9. The aircraft high-base-angle high-shear-resistance nail drawing installation tool according to claim 1, wherein a nail drawing matching part is arranged at one end of the gun head, which is away from the shell, and the nail drawing matching part is of a polygonal groove or claw structure.
10. The aircraft high-base-angle high-shear-resistance nail drawing installation tool according to claim 1, wherein a reversing control part is arranged on the machine body;
The reversing control part is used for controlling the rotation direction of the pneumatic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323176922.1U CN221211531U (en) | 2023-11-24 | 2023-11-24 | High shear pin mounting tool that takes out of aircraft big base angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323176922.1U CN221211531U (en) | 2023-11-24 | 2023-11-24 | High shear pin mounting tool that takes out of aircraft big base angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221211531U true CN221211531U (en) | 2024-06-25 |
Family
ID=91577081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323176922.1U Active CN221211531U (en) | 2023-11-24 | 2023-11-24 | High shear pin mounting tool that takes out of aircraft big base angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221211531U (en) |
-
2023
- 2023-11-24 CN CN202323176922.1U patent/CN221211531U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1454714B1 (en) | Rotary tool | |
| CN221211531U (en) | High shear pin mounting tool that takes out of aircraft big base angle | |
| CN211193928U (en) | Robot snatchs manual quick change coupler | |
| CN111300342A (en) | Electric nailing gun | |
| CN216180109U (en) | A kind of spanner | |
| CN213999262U (en) | Automatic open spanner | |
| CN112091867B (en) | Screw screwing device capable of automatically taking and placing screws | |
| CN116419823A (en) | Hand-held power tool and manufacturing method for hand-held power tool | |
| CN220972267U (en) | Nail gun convenient for disassembling and assembling nail box | |
| CN112388549A (en) | Automatic open spanner | |
| CN217703203U (en) | Push button type pneumatic torque screwdriver | |
| CN217462949U (en) | Transmission driving sleeve and portable transmission driving device | |
| CN219768102U (en) | Sleeve barrel | |
| CN213259205U (en) | Convenient to use's remote spanner | |
| CN218462047U (en) | Electric impact wrench | |
| CN219925888U (en) | Manual-automatic integrated screwdriver | |
| CN112959251B (en) | Electric screwdriver | |
| CN213971007U (en) | Nail nipping gun | |
| CN221338343U (en) | Portable electric wrench | |
| CN219426668U (en) | Lithium-ion accurate screwdriver convenient to assemble | |
| CN213225963U (en) | Novel pneumatic screwdriver | |
| CN217703202U (en) | Double-switch starting pneumatic torsion screwdriver | |
| CN221186308U (en) | Assembling tool for street lamp centralized controller production | |
| CN2320373Y (en) | Open jaw type wrench | |
| CN219426716U (en) | Hammering system of electric hammer and electric hammer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |