CN220241386U - Floating centering firing pin sleeve for fixator - Google Patents
Floating centering firing pin sleeve for fixator Download PDFInfo
- Publication number
- CN220241386U CN220241386U CN202321742888.7U CN202321742888U CN220241386U CN 220241386 U CN220241386 U CN 220241386U CN 202321742888 U CN202321742888 U CN 202321742888U CN 220241386 U CN220241386 U CN 220241386U
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- Prior art keywords
- sleeve
- needle
- needle tube
- tube
- shaft
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- 238000007667 floating Methods 0.000 title claims abstract description 13
- 238000010304 firing Methods 0.000 title claims description 26
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 238000010009 beating Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- Portable Nailing Machines And Staplers (AREA)
Abstract
The floating centering needle-beating sleeve for the fixer comprises a needle tube, a sleeve, a needle shaft, a safety pin and a beating needle, wherein the bottom end of the needle tube is movably connected to the top end of the sleeve, the needle shaft is movably arranged in the sleeve, the safety pin is arranged on the needle shaft, the beating needle is fixedly arranged at the top end of the needle shaft, and the upper end of the beating needle is arranged in the needle tube; the needle tube comprises a needle tube and a connecting piece, and the lower end of the needle tube is fixedly connected with the upper end of the connecting piece; the lower end of the connecting piece is provided with external threads; the inner top end of the sleeve is provided with an internal thread, and the needle tube barrel and the sleeve are connected with an external thread through the internal thread; the top of the outer side of the sleeve is provided with a pressing groove. After the technical scheme is adopted, the utility model has the beneficial effects that: the needle tube and the sleeve are connected by screw threads, and the screw thread connection is tightened, so that the needle tube and the sleeve are not easy to loosen, and meanwhile, the production cost is reduced.
Description
Technical Field
The utility model relates to the technical field of nail shooting devices, in particular to a floating centering needle sleeve for a fixer.
Background
Nail guns, also known as nailers, are often referred to as nailers because they are similar in shape and principle to handguns. The fastening tool uses empty bomb, fuel gas or compressed air as power to drive the nail into the building. The nail gun is used for the nail-shooting fastening technology, is an advanced modern fastening technology, has a plurality of advantages compared with the traditional methods of pre-buried fixation, hole punching pouring, bolt connection, welding and the like, has the advantages of quick operation and short construction period, can greatly lighten the labor intensity of workers, has reliable and safe effect and reduces the construction cost.
The existing nail gun is characterized in that a firing pin is arranged in a firing pin sleeve, and a firing spring is used for pushing a firing pin shaft to enable the firing pin to axially strike, so that firing is completed. The traditional striking needle sleeve comprises a needle tube and a sleeve, wherein the needle tube and the sleeve are manufactured through welding, but the needle tube and the sleeve are easy to loosen along with the increase of the using times and the impact force, so that the using effect is affected. Meanwhile, when the welded needle sleeve is used, the needle tube barrel may not be concentric with the gun bore, so that hard friction is generated between the needle tube barrel and the needle tube when the needle is pushed out, and the needle sleeve is easy to damage. At present, the firing pin sleeve is integrally manufactured, but the cost is higher, and the process is complex.
Disclosure of Invention
The utility model aims at overcoming the defects and shortcomings of the prior art, and provides a floating centering needle-beating sleeve for a fixer, which adopts a threaded connection mode and tightens up a threaded connection part, so that the connection between a needle tube and the sleeve is fastened and is not easy to loosen; simultaneously, a threaded connection mode is adopted, so that the needle tube can slightly shake, the needle tube and the gun bore can be concentric when the nail is shot, the striking pin can be smoothly pushed out, friction is reduced, and the service life of the striking pin sleeve is prolonged.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the floating centering needle sleeve for the fixator comprises a needle tube 1, a sleeve 2, a needle shaft 3, a safety pin 4 and a needle 5, wherein the bottom end of the needle tube 1 is movably connected to the top end of the sleeve 2, the needle shaft 3 is movably arranged in the sleeve 2, the safety pin 4 is arranged on the needle shaft 3, the needle 5 is fixedly arranged at the top end of the needle shaft 3, and the upper end of the needle 5 is arranged in the needle tube 1; the needle tube 1 comprises a needle tube 11 and a connecting piece 12, wherein the lower end of the needle tube 11 is fixedly connected with the upper end of the connecting piece 12; the lower end of the connecting piece 12 is provided with external threads 121; the inner top end of the sleeve 2 is provided with an internal thread 24, and the needle tube barrel 1 and the sleeve 2 are connected with an external thread 121 through the internal thread 24; the top end of the outer side of the sleeve 2 is provided with a pressing groove 21.
The left and right sides of the sleeve 2 are provided with a positioning hole 22.
The front side of the sleeve 2 is provided with a mounting hole 23, and a safety pin 4 is movably arranged in the mounting hole 23. The safety pin 4 is used for limiting the position of the needle shaft 3, and is convenient for resetting and firing the firing pin 5.
An ejection channel 13 is arranged in the needle tube 1, and a firing pin 5 is movably arranged in the ejection channel 13. In use, the firing pin 5 is pushed by the pin shaft 3 to move back and forth within the firing channel 13.
The top of the needle shaft 3 is provided with a mounting groove 31, and the bottom of the striking needle 5 is fixedly arranged in the mounting groove 31. The firing pin 5 is fixedly arranged in the mounting groove 31 at the top end of the needle shaft 3 through a screw, and the firing pin 5 is pushed by the needle shaft 3.
The middle part of the needle shaft 3 is provided with a fixed groove 32, and a safety pin 4 is fixedly arranged in the fixed groove 32. When in use, the needle shaft 3 moves back and forth in the sleeve 2 under the action of the firing spring and the reset spring, and the safety pin 4 slides in the fixed groove 32 to limit the movement range of the needle shaft 3.
The working principle of the utility model is as follows: the connecting piece of needle tube lower extreme of this device is provided with the screw thread, and sheathed tube inside top is provided with the screw thread that cooperatees, adopts the screw thread key to connect between needle tube barrel and the sleeve pipe for manufacturing cost is lower. Meanwhile, a certain plane is reserved at the upper end of the thread on the connecting piece, and a plane with a certain width is reserved at the top end of the inside of the sleeve. After the needle tube and the sleeve are well connected through threads, the plane on the connecting piece corresponds to the plane inside the sleeve and is positioned at the same height, at the moment, the machine is used for tightening the threaded connection part, so that the plane on the connecting piece and the plane inside the sleeve are tightly pressed, the needle tube and the sleeve are tightly connected, the needle tube and the sleeve are not easy to loosen, and meanwhile, certain shaking exists between the needle tube and the sleeve.
After the technical scheme is adopted, the utility model has the beneficial effects that:
1. the needle tube and the sleeve are connected by screw threads, and the screw thread connection parts are tightened, so that the needle tube and the sleeve are not easy to loosen, and meanwhile, the production cost is reduced;
2. the needle tube and the sleeve are slightly swayed, so that when the needle is pushed out, the needle tube and the gun bore are concentric, friction force when the needle is pushed out is reduced, and the service life of the needle sleeve is prolonged to a certain extent.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Figure 1 is a schematic view of the structure of the present utility model,
figure 2 is a front view of the present utility model,
figure 3 is a schematic view of the structure of the sleeve according to the present utility model,
figure 4 is a schematic view of the structure of the needle tube of the present utility model,
figure 5 is a schematic view of the structure of the firing pin of the present utility model,
fig. 6 is a schematic view of the structure of the needle shaft in the present utility model.
Reference numerals illustrate: the needle tube 1, the sleeve 2, the needle shaft 3, the safety pin 4, the striking pin 5, the needle tube 11, the connecting piece 12, the ejection channel 13, the pressing groove 21, the positioning hole 22, the mounting hole 23, the internal thread 24, the mounting groove 31, the fixing groove 32 and the external thread 121.
Detailed Description
Referring to fig. 1-6, the technical scheme adopted in the specific embodiment is as follows: the floating centering needle cannula for the fixator comprises a needle cannula barrel 1, wherein the bottom end of the needle cannula barrel 1 is movably connected to the top end of a cannula 2, a needle shaft 3 is movably arranged in the cannula 2, a safety pin 4 is arranged on the needle shaft 3, a needle 5 is fixedly arranged at the top end of the needle shaft 3, and the upper end of the needle 5 is arranged in the needle cannula barrel 1; the needle tube 1 comprises a needle tube 11 and a connecting piece 12, wherein the lower end of the needle tube 11 is fixedly connected with the upper end of the connecting piece 12; the lower end of the connecting piece 12 is provided with external threads 121; the inner top end of the sleeve 2 is provided with an internal thread 24, and the needle tube barrel 1 and the sleeve 2 are connected with an external thread 121 through the internal thread 24; the top end of the outer side of the sleeve 2 is provided with a pressing groove 21. By adopting the above technical scheme, the lower extreme of connecting piece 12 is provided with external screw thread 121, and the top of external screw thread 121 is provided with the plane of certain width, and the inside top of sleeve pipe 2 also is provided with the plane simultaneously. When the cannula 2 and the needle cannula 1 are threaded, the plane on the connector 12 and the plane on the cannula 2 coincide. At this time, a machine is adopted to tighten the upper end of the threaded connection part, namely, the plane coincident part is tightly pressed, so that the sleeve 2 and the needle tube 1 are connected and fastened, looseness is not easy to generate, and meanwhile, certain looseness exists between the sleeve 2 and the needle tube 1, so that the needle 5 can be conveniently and smoothly pushed out.
The left and right sides of the sleeve 2 are provided with a positioning hole 22.
The front side of the sleeve 2 is provided with a mounting hole 23, and a safety pin 4 is movably arranged in the mounting hole 23.
An ejection channel 13 is arranged in the needle tube 1, and a firing pin 5 is movably arranged in the ejection channel 13.
The top of the needle shaft 3 is provided with a mounting groove 31, and the bottom of the striking needle 5 is fixedly arranged in the mounting groove 31.
The middle part of the needle shaft 3 is provided with a fixed groove 32, and a safety pin 4 is fixedly arranged in the fixed groove 32. By adopting the technical scheme, when the nail gun is used, the needle shaft 3 is pushed by the firing spring to move in the sleeve 2, so that the striking needle 5 is driven to be rapidly ejected from the needle tube 1, and nails are ejected.
The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.
Claims (6)
1. The floating centering firing pin sleeve for the fixer is characterized in that: the needle tube comprises a needle tube (1), a sleeve (2), a needle shaft (3), a safety pin (4) and a firing pin (5), wherein the bottom end of the needle tube (1) is movably connected to the top end of the sleeve (2), the needle shaft (3) is movably arranged in the sleeve (2), the safety pin (4) is arranged on the needle shaft (3), the firing pin (5) is fixedly arranged at the top end of the needle shaft (3), and the upper end of the firing pin (5) is arranged in the needle tube (1); the needle tube (1) comprises a needle tube (11) and a connecting piece (12), wherein the lower end of the needle tube (11) is fixedly connected with the upper end of the connecting piece (12); the lower end of the connecting piece (12) is provided with external threads (121); an internal thread (24) is arranged at the top end of the inside of the sleeve (2), and the needle tube (1) and the sleeve (2) are connected with an external thread (121) through the internal thread (24); the top end of the outer side of the sleeve (2) is provided with a pressing groove (21).
2. The floating centering pin bushing for a fixture of claim 1, wherein: the left side and the right side of the sleeve (2) are respectively provided with a positioning hole (22).
3. The floating centering pin bushing for a fixture of claim 1, wherein: the front side of the sleeve (2) is provided with a mounting hole (23), and a safety pin (4) is movably arranged in the mounting hole (23).
4. The floating centering pin bushing for a fixture of claim 1, wherein: an ejection channel (13) is arranged in the needle tube (1), and a firing pin (5) is movably arranged in the ejection channel (13).
5. The floating centering pin bushing for a fixture of claim 1, wherein: the top of the needle shaft (3) is provided with a mounting groove (31), and the bottom of the firing pin (5) is fixedly arranged in the mounting groove (31).
6. The floating centering pin bushing for a fixture of claim 1, wherein: the middle part of the needle shaft (3) is provided with a fixing groove (32), and a safety pin (4) is fixedly arranged in the fixing groove (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321742888.7U CN220241386U (en) | 2023-07-05 | 2023-07-05 | Floating centering firing pin sleeve for fixator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321742888.7U CN220241386U (en) | 2023-07-05 | 2023-07-05 | Floating centering firing pin sleeve for fixator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220241386U true CN220241386U (en) | 2023-12-26 |
Family
ID=89262562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321742888.7U Active CN220241386U (en) | 2023-07-05 | 2023-07-05 | Floating centering firing pin sleeve for fixator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220241386U (en) |
-
2023
- 2023-07-05 CN CN202321742888.7U patent/CN220241386U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |