CN220218372U - Safety pawl lock and nail shooter - Google Patents
Safety pawl lock and nail shooter Download PDFInfo
- Publication number
- CN220218372U CN220218372U CN202321875666.2U CN202321875666U CN220218372U CN 220218372 U CN220218372 U CN 220218372U CN 202321875666 U CN202321875666 U CN 202321875666U CN 220218372 U CN220218372 U CN 220218372U
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- CN
- China
- Prior art keywords
- ratchet
- pawl lock
- safety pawl
- torsion spring
- wheel
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- 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.)
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- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000010304 firing Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model provides a safety pawl lock and a nail shooter, which belong to the technical field of nail shooters, wherein the safety pawl lock comprises a ratchet wheel, a ratchet wheel and a reset spring, the ratchet wheel is coaxially arranged with a lifting wheel and fixedly connected with the lifting wheel, the ratchet wheel is arranged on a mounting frame of the nail shooter, the ratchet wheel has a locking state assembled on the ratchet wheel and an unlocking state separated from the ratchet wheel, when the ratchet wheel is in the locking state, the ratchet wheel rotates unidirectionally, the reset spring is arranged between the mounting frame and the ratchet wheel, and the reset spring is used for resetting the ratchet wheel. According to the safety pawl lock and the nail shooter, the safety pawl lock only limits the unidirectional rotation of the lifting wheel, the lifting wheel is not affected to continuously lift the firing pin, accidental bumping out of the firing pin of the nail shooter is limited, overhaul of the nail shooter is facilitated, the ratchet wheel of the safety pawl lock is fixedly connected with the whole lifting wheel, and the safety pawl lock can stably and firmly lock the lifting wheel.
Description
Technical Field
The utility model belongs to the technical field of nail shooters, and particularly relates to a safe pawl lock and a nail shooter.
Background
The nail shooter is a fastening tool for driving the nail into a building body, in the prior art, when the nail shooter is stuck, the nail shooter needs to be overhauled, and in order to avoid the accidental ejection of a firing pin during overhauling, the nail shooter is also generally provided with a safe pawl lock. However, the safety pawl lock in the prior art can completely lock the lifting wheel of the nail shooting device, so that the overhaul of the nail shooting device is influenced; meanwhile, most of safety pawl locks have the problems of poor stability and easy failure.
Disclosure of Invention
The embodiment of the utility model provides a safety pawl lock and a nail shooter, which are used for solving the technical problems that the safety pawl lock in the prior art affects the repair of the nail shooter, the stability of the safety pawl lock is poor and the nail shooter is easy to fail.
To this end, according to one aspect of the present utility model, there is provided a safety pawl lock for locking a lifting wheel of a nailer, the safety pawl lock comprising:
the ratchet wheel is coaxially arranged with the lifting wheel and fixedly connected with the lifting wheel;
a ratchet installed on the mounting frame of the nail shooter, the ratchet having a locking state assembled to the ratchet and an unlocking state disengaged from the ratchet, the ratchet being rotated unidirectionally when the ratchet is in the locking state; and
and the reset spring is arranged between the mounting frame and the ratchet and is used for resetting the ratchet.
Optionally, a handle is provided at an end of the ratchet facing away from the ratchet, the handle being for switching the ratchet between the locked and unlocked states.
Optionally, a first mounting shaft is provided on the mounting frame, and the ratchet is rotatably mounted on the first mounting shaft.
Optionally, a cap is removably mounted on the first mounting shaft, the cap being adapted to limit the ratchet from exiting the first mounting shaft.
Optionally, a second installation shaft is arranged on the installation frame, the reset spring is a torsion spring, the reset spring comprises a torsion spring body, a first torsion spring arm and a second torsion spring arm, the torsion spring body is sleeved on the second installation shaft, the first torsion spring arm is connected to the ratchet, and the second torsion spring arm is connected to the installation frame.
Optionally, the return spring is always in a torqued state.
Optionally, a first stop block is convexly arranged on the side surface of the ratchet, facing the return spring, and the first torsion spring arm is propped against the first stop block.
Optionally, a connecting hole is formed in the top surface of the ratchet, and the first torsion spring arm is inserted into the connecting hole.
Optionally, the mounting frame is provided with a second stop block in a protruding manner, and the second torsion spring arm is propped against the second stop block.
The safety pawl lock provided by the utility model has the beneficial effects that: compared with the prior art, the safety pawl lock comprises the ratchet wheel, the ratchet wheel and the reset spring, the ratchet wheel is coaxially arranged with the lifting wheel and fixedly connected with the lifting wheel, the ratchet wheel is arranged on the mounting frame of the nail shooter, the ratchet wheel is provided with a locking state assembled on the ratchet wheel and an unlocking state separated from the ratchet wheel, when the ratchet wheel is in the locking state, the ratchet wheel rotates unidirectionally, when the nail shooter is clamped and the lifting wheel is required to completely lift the firing pin to maintain the nail shooter, the safety pawl lock only limits the unidirectional rotation of the lifting wheel, the lifting wheel is not influenced to continuously lift the firing pin, the accidental bumping out of the firing pin of the nail shooter is also limited, and the nail shooter is convenient to overhaul; meanwhile, the ratchet wheel of the safety pawl lock is fixedly connected with the whole lifting wheel, and the safety pawl lock can stably and firmly lock the lifting wheel.
According to another aspect of the present utility model there is provided a nail gun comprising a safety pawl lock as described above.
The nail shooter provided by the utility model has the beneficial effects that: compared with the prior art, the nail shooter comprises the safety pawl lock, the safety pawl lock has good stability, and the influence on the overhaul work of the nail shooter is small, so that the safety performance of the nail shooter is improved, and the overhaul of the nail shooter is facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a safety pawl lock according to an embodiment of the present utility model.
Wherein, each reference sign in the figure:
10. a ratchet wheel; 20. a ratchet; 210. a handle; 220. a first stopper; 30. a return spring; 310. a torsion spring body; 320. a first torsion spring arm; 330. a second torsion spring arm;
1. a safety pawl lock; 2. a lifting wheel; 3. a mounting frame; 301. a first mounting shaft; 302. a second mounting shaft; 303. a second stopper; 4. a striker.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
According to one aspect of the present utility model, an embodiment of the present utility model provides a safety pawl lock, please refer to fig. 1, the safety pawl lock 1 is used for locking a lifting wheel 2 of a nail gun, the safety pawl lock 1 comprises a ratchet wheel 10, a ratchet 20 and a return spring 30, the ratchet wheel 10 is coaxially arranged with the lifting wheel 2 and fixedly connected with the lifting wheel 2, the ratchet 20 is mounted on a mounting frame 3 of the nail gun, the ratchet 20 has a locking state assembled to the ratchet wheel 10 and an unlocking state separated from the ratchet wheel 10, and the ratchet wheel 10 rotates unidirectionally when the ratchet 20 is in the locking state; a return spring 30 is provided between the mounting frame 3 and the ratchet 20, the return spring 30 being used for return of the ratchet 20.
In the embodiment of the utility model, the safety pawl lock 1 comprises a ratchet 10, a ratchet 20 and a reset spring 30, wherein the ratchet 10 is coaxially arranged with the lifting wheel 2 and fixedly connected with the lifting wheel 2, the ratchet 20 is arranged on a mounting frame 3 of the nail shooter, the ratchet 20 has a locking state assembled on the ratchet 10 and an unlocking state separated from the ratchet 10, when the ratchet 20 is in the locking state, the ratchet 10 rotates unidirectionally, and when the nail shooter is clamped and the lifting wheel 2 is required to lift the firing pin 4 completely to repair the nail shooter, the safety pawl lock 1 only limits the unidirectional rotation of the lifting wheel 2, so that the lifting wheel 2 is not influenced to continuously lift the firing pin 4, and accidental bumping of the firing pin 4 of the nail shooter is also limited, thereby facilitating the overhaul of the nail shooter; at the same time, the ratchet 10 of the safety pawl lock 1 is fixedly connected with the entire lifting wheel 2, and the safety pawl lock 1 can stably and firmly lock the lifting wheel 2.
In one embodiment, referring to fig. 1, the end of the ratchet 20 facing away from the ratchet 10 is provided with a handle 210, the handle 210 being used to switch the ratchet 20 between the locked and unlocked states.
Specifically, a housing of the following nailer is provided with a notch, from which the handle 210 extends to the outside of the nailer, so that the user can conveniently switch the ratchet 20 between the locked and unlocked states.
In another embodiment, referring to fig. 1, the mounting frame 3 is provided with a first mounting shaft 301, and the ratchet 20 is rotatably mounted on the first mounting shaft 301.
By providing as above, the first mounting shaft 301 provides a mounting basis for the ratchet teeth 20, facilitating assembly of the safety pawl lock 1.
In a specific embodiment, referring to fig. 1, a cap is detachably mounted on the first mounting shaft 301, and the cap is used to limit the ratchet 10 from being separated from the first mounting shaft 301, so as to improve the stability of the safety pawl lock 1.
In another embodiment, referring to fig. 1, a second mounting shaft 302 is disposed on the mounting frame 3, the return spring 30 is a torsion spring, the return spring 30 includes a torsion spring body 310, a first torsion spring arm 320 and a second torsion spring arm 330, the torsion spring body 310 is sleeved on the second mounting shaft 302, the first torsion spring arm 320 is connected to the ratchet 20, and the second torsion spring arm 330 is connected to the mounting frame 3.
It will be appreciated that by reasonably providing the fixing structure on the mounting frame 3, the return spring 30 may also be a compression spring or an extension spring, etc., which is not limited herein.
In a specific embodiment, referring to FIG. 1, the return spring 30 is always in a torqued state to facilitate better return of the ratchet 20.
In a more specific embodiment, referring to fig. 1, the side of the ratchet 20 facing the return spring 30 is provided with a first stop 220, and the first torsion spring arm 320 is pressed against the first stop 220.
In another more specific embodiment, referring to fig. 1, the top surface of the ratchet 20 is provided with a coupling hole, and the first torsion spring arm 320 is inserted into the coupling hole.
In summary, the connection form of the ratchet 20 and the first torsion spring arm 320 is not limited only by the practical need to be properly selected.
In another more specific embodiment, referring to fig. 1, the mounting frame 3 is provided with a second stop 303, and the second torsion spring arm 330 abuts against the second stop 303.
Alternatively, the top surface of the mounting frame 3 is provided with a connection hole, and the second torsion spring arm 330 is inserted into the connection hole.
In summary, the connection form of the mounting frame 3 and the second torsion spring arm 330 is properly selected according to practical needs, which is not limited herein.
According to another aspect of the utility model, an embodiment of the utility model also provides a nail gun comprising a safety pawl lock 1 as described above.
In one embodiment, referring to fig. 1, the lifting wheel 2 and the ratchet 10 of the nailer are located at the side of the mounting frame 3, the mounting frame 3 is provided with a channel, the striker 4 is mounted in the channel, the side of the mounting frame 3 facing the lifting wheel 2 is provided with a notch communicating with the channel, and the lifting wheel 2 is assembled with the striker 4 through the notch to control the movement of the striker 4.
In the embodiment of the utility model, the nail shooter comprises the safety pawl lock 1, the safety pawl lock 1 has good stability and small influence on the overhaul work of the nail shooter, the safety performance of the nail shooter is improved, and the overhaul of the nail shooter is facilitated.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.
Claims (10)
1. A safety pawl lock for locking a lifting wheel of a nailer, the safety pawl lock comprising:
the ratchet wheel is coaxially arranged with the lifting wheel and fixedly connected with the lifting wheel;
a ratchet installed on a mounting frame of the nailer, the ratchet having a locked state fitted to the ratchet and an unlocked state disengaged from the ratchet, the ratchet being unidirectionally rotated when the ratchet is in the locked state; and
and the return spring is arranged between the mounting frame and the ratchet teeth and is used for resetting the ratchet teeth.
2. The safety pawl lock according to claim 1, wherein an end of said ratchet teeth facing away from said ratchet wheel is provided with a handle for switching said ratchet teeth between said locked and unlocked states.
3. The safety pawl lock according to claim 1, wherein said mounting bracket is provided with a first mounting shaft, said ratchet teeth being rotatably mounted on said first mounting shaft.
4. A safety pawl lock according to claim 3, wherein said first mounting shaft has a cap removably mounted thereon for limiting the ratchet from being disengaged from said first mounting shaft.
5. The safety pawl lock according to claim 1, wherein the mounting bracket is provided with a second mounting shaft, the return spring is a torsion spring, the return spring includes a torsion spring body, a first torsion spring arm and a second torsion spring arm, the torsion spring body is sleeved on the second mounting shaft, the first torsion spring arm is connected to the ratchet, and the second torsion spring arm is connected to the mounting bracket.
6. The safety pawl lock according to claim 5, wherein said return spring is always in a torqued state.
7. The safety pawl lock according to claim 6, wherein a side of the ratchet teeth facing the return spring is provided with a first stopper protruding upward, and the first torsion spring arm is pressed against the first stopper.
8. The safety pawl lock according to claim 6, wherein the top surface of the ratchet tooth is provided with a coupling hole, and the first torsion spring arm is inserted into the coupling hole.
9. The safety pawl lock according to claim 6, wherein said mounting bracket is provided with a second stop projecting therefrom, said second torsion spring arm being biased against said second stop.
10. A nail shooter comprising a safety pawl lock according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321875666.2U CN220218372U (en) | 2023-07-17 | 2023-07-17 | Safety pawl lock and nail shooter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321875666.2U CN220218372U (en) | 2023-07-17 | 2023-07-17 | Safety pawl lock and nail shooter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220218372U true CN220218372U (en) | 2023-12-22 |
Family
ID=89182355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321875666.2U Active CN220218372U (en) | 2023-07-17 | 2023-07-17 | Safety pawl lock and nail shooter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220218372U (en) |
-
2023
- 2023-07-17 CN CN202321875666.2U patent/CN220218372U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |