CN210550947U - Cylinder and nailing tool - Google Patents
Cylinder and nailing tool Download PDFInfo
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- CN210550947U CN210550947U CN201921044303.8U CN201921044303U CN210550947U CN 210550947 U CN210550947 U CN 210550947U CN 201921044303 U CN201921044303 U CN 201921044303U CN 210550947 U CN210550947 U CN 210550947U
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- 238000010304 firing Methods 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model provides a cylinder and contain nailing instrument of this cylinder, cylinder include first barrel and second barrel, and first barrel communicates with each other through setting up hole or groove on barrel sharing lateral wall with the second barrel. The nailing tool comprises a shell and the cylinder, a first piston is arranged in a first cylinder of the cylinder, a second piston is arranged in a second cylinder, the second piston is connected with a firing pin, the first piston is driven by a motor to reciprocate in the first cylinder so as to enable air pressure to change in the cylinder, and then the second piston and the firing pin are driven to reciprocate. The utility model discloses the cylinder is overall structure to directly realize the compressed air transmission through setting up hole or groove on the barrel wall, not only simplified the structure of cylinder and nailing instrument, but also can make full use of cylinder space, improve compressed air transmission efficiency, improve the power of hitting of nailing instrument, make nailing instrument performance more excellent, only need during the installation with one of them barrel install on the casing can, it is very convenient.
Description
Technical Field
The utility model relates to a cylinder and contain nailing instrument of this cylinder.
Background
Nailing tools, also known as nailers, generally refer to a tool that drives a nail into a workpiece.
Common nailing tools include electric nail guns, pneumatic nail guns, gas nail guns, and manual nail guns. The nailing machine disclosed in CN204736190U comprises a first closed cylinder body and a second closed cylinder body arranged outside the first cylinder body, wherein a working cavity of the first cylinder body is communicated with a working cavity of the second cylinder body, a first piston is arranged in the first cylinder body, a first piston is fixedly connected with a firing pin, the firing pin is provided with a limiting part, the nailing machine further comprises a clamping piece, a second piston is arranged in the second cylinder body, and the second piston is driven by a motor to reciprocate between a first position and a second position of the second cylinder body; when the second piston is at the first position, the piston moves inwards and then is clamped on the limiting part of the firing pin through the clamping piece, and when the second piston is at the second position, the motor drives the clamping piece to be separated from the limiting part. The clamping piece is connected to the shell through a first pivot, the shell is further provided with a second pivot, the first pivot is fixedly connected with a first connecting plate, the second pivot is fixedly connected with a shifting block, a second connecting plate is arranged between the shifting block and the first connecting plate, and two ends of the second connecting plate are respectively hinged to the shifting block and the first connecting plate; the shifting block can lean on with the offset of hinge bar, and the hinge bar rotates under the drive of motor, rotates a week and just can trigger the shifting block once, and the shifting block drives connecting plate one through connecting plate two and rotates, drives pivot one again and rotates to drive the joint spare action that links to each other with pivot one, realize triggering. The nailing machine further comprises a shell, the first cylinder body and the second cylinder body are arranged on the shell side by side, the first through hole is formed in the tail end of the first cylinder body, the second through hole is formed in the tail end of the second cylinder body, and the first through hole is communicated with the second through hole through three phases. The third through hole at least needs to be formed by two parts such as a cover plate and a connecting plate, and the structure is complex and occupies a large space.
Also disclosed in CN109693210A is a nailing gun comprising: the device comprises a shell, a nail striking assembly, a prime mover, a first cylinder, a first piston, a second cylinder, a second piston, a locking assembly and a biasing element; the nail striking assembly is used for impacting a fastener, the prime motor is arranged in the shell, the first piston is arranged in the first cylinder and fixedly connected with the nail striking assembly, the first piston also divides the space in the first cylinder into a first chamber and a second chamber, the second piston is arranged in the second cylinder and driven by the prime motor to reciprocate in the second cylinder, the second piston divides the space in the second cylinder into a third chamber and a fourth chamber, the third chamber is communicated with the first chamber, the locking assembly has a locking state for locking the movement of the nail striking assembly relative to the first cylinder and a releasing state for releasing the movement of the nail striking assembly relative to the first cylinder, and the biasing element generates a biasing force for driving the locking assembly to move towards the locking state; wherein, when the pressure of the gas in the space formed by the communication of the first chamber and the third chamber is greater than a predetermined value when the second piston moves in a direction to reduce the third chamber, the gas in the space acts on the locking assembly and generates a force to drive the locking assembly against the biasing force of the biasing element to switch the locking assembly to the released state.
Also disclosed in US5720423A is a fastener driving tool having a cylinder 11 and an intermediate member 10 disposed in a cylinder accommodating portion 1b, the cylinder 11 being fixed to the cylinder accommodating portion 1b and including a cylinder main body 11a and an auxiliary cylinder portion 11b, the auxiliary cylinder portion 11b having an upper portion communicating with the upper portion of the main body 11a and extending parallel to the main body 11a, the intermediate member 10 being square in cross section and sized to slide along the outer surface of the main body 11a, the cylinder accommodating portion 1b being configured to provide a guide for vertical movement of the intermediate member 10. The driving piston 12 is provided in the body 11a of the cylinder 11, an air chamber 14 is formed in the body 11a of the cylinder 11 on the upper side of the driving piston 12, the air chamber 14 communicates with the inside of the auxiliary cylinder portion 11b on the upper side of the air supplementary piston 13, and the chamber 14 and the inside of the auxiliary cylinder portion 11b communicating with the air chamber 14 are sealed from the outside in an airtight manner to prevent air from leaking to the outside.
Although the nailing tool and the driving tool both achieve firing and resetting of the firing pin by changing the air pressure by reciprocating the air cylinder piston in the air cylinder as described above, they have the disadvantage that the air cylinder is inconvenient to install, and the nailing machine disclosed in CN204736190U must guide and store the compressed air by means of the three-way channel, and the fastener driving tool disclosed in US5720423A must guide and store the compressed air by means of the chamber 14, so that the nailing machine, the driving tool and the air cylinder structure thereof become complicated.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the utility model is to provide a simple structure, easy to assemble's cylinder.
In order to achieve the above purpose, the present invention adopts the following technical solution.
A cylinder comprises a first cylinder body and a second cylinder body, wherein the first cylinder body is communicated with the second cylinder body through a hole or a groove formed in the side wall of the cylinder body.
In order to improve the space utilization rate, the first cylinder and the second cylinder are connected into an integral structure through the shared cylinder side wall.
To further improve space utilization, holes or slots are provided in the shared barrel sidewall.
To increase the impact of the compressed air in the cylinder, holes or slots are provided in the end of the common cylinder side wall.
Further, the radial section of the cylinder is 8-shaped.
The second purpose of the utility model is to provide a nailing tool with simple structure and good nailing performance.
A nailing tool comprises a housing and the cylinder arranged on the housing.
The first cylinder of the cylinder is internally provided with a first piston, the second cylinder is internally provided with a second piston, the second piston is connected with the firing pin, the first piston is driven by the motor to reciprocate in the first cylinder so as to generate air pressure change in the cylinder, and then the second piston and the firing pin are driven to reciprocate.
The nailing tool also comprises a clamping piece arranged on the shell, the firing pin is also provided with a limiting part, and when the second piston drives the firing pin to move forwards for nailing, the clamping piece is driven by the motor to be separated from the limiting part; when the second piston drives the striker to move backwards and reset, the motor drives the clamping piece to be clamped with the limiting part.
Furthermore, the nailing tool also comprises a stirring piece connected with the output shaft of the motor and a rotatable rotating shaft arranged on the shell, wherein one end of the rotating shaft is fixedly provided with a shifting fork, the other end of the rotating shaft is fixedly provided with a rotating piece, the rotating piece is in lap joint with the clamping piece, and the rotating piece can drive the clamping piece to deflect around the clamping piece shaft; in the operation process of the motor, the output shaft of the motor drives the shifting piece to rotate, the shifting piece drives the shifting fork and the rotating piece to deflect, and the rotating piece drives the clamping piece to deflect.
Preferably, a connecting part is arranged on the overlapping surface of the rotating part and the clamping part, the connecting part comprises a fixing pin arranged on the rotating part and an inner concave part arranged on the clamping part, and one end part of the fixing pin is matched in the inner concave part.
Preferably, a connecting part is arranged on the overlapping surface of the rotating part and the clamping part, the connecting part comprises a fixing pin arranged on the clamping part and an inner concave part arranged on the rotating part, and one end part of the fixing pin is matched in the inner concave part.
Has the advantages that: the utility model discloses the cylinder is as overall structure to directly realize the compressed air transmission (need not to set up compressed air transmission channel in the cylinder outside) through hole or the groove of setting on the barrel lateral wall, not only simplified the structure of cylinder and nailing instrument, but also can make full use of cylinder space, improve compressed air transmission efficiency, can also improve the power of hitting of nailing instrument, make nailing instrument performance more excellent, only need during the installation with one of them barrel install on the casing can, it is very convenient. The utility model discloses nailing instrument simple structure, the firing pin is spacing (by the action of the motor drive stirring piece to it is spacing to realize the firing pin through the linkage cooperation of stirring piece, shift fork, pivot, rotation piece, fastener) simply, nimble.
Drawings
FIG. 1 is a schematic view of a cylinder structure in embodiment 1;
FIG. 2 is a schematic view of a cylinder structure in embodiment 2;
FIG. 3 is a schematic view showing the structure of the nailing tool in embodiment 3;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a schematic view showing the structure of the nailing tool in the case where the striker is ejected (during nailing) in embodiment 3;
FIG. 6 is a schematic structural view showing a state in which a striker of the nailing tool is engaged with a card member (striker return) in embodiment 3;
FIG. 7 is a schematic view showing the connection of the driver, the rotor, the shaft and the fork in the nailing tool of example 3.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the following description of the embodiments is only for the purpose of helping understanding the principle and the core idea of the present invention, and is not intended to limit the scope of the present invention. It should be noted that modifications to the present invention may occur to those skilled in the art without departing from the principles of the present invention and are intended to fall within the scope of the appended claims.
Example 1
An air cylinder, as shown in fig. 1, comprises a first cylinder 101 and a second cylinder 102, wherein the first cylinder 101 and the second cylinder 102 are communicated with each other through a groove 13 arranged on the side wall of the cylinders.
The first cylinder 101 and the second cylinder 102 are connected into an integral structure through a common cylinder side wall.
Wherein the grooves 13 are provided in a common cylinder side wall.
Wherein the grooves 13 are provided at the end of the common cylinder side wall.
Wherein, the radial cross section of the cylinder is 8-shaped.
Example 2
A cylinder, as shown in fig. 2, comprises a first cylinder 101 and a second cylinder 102, wherein the first cylinder 101 and the second cylinder 102 are communicated with each other through a hole 20 arranged on the side wall of the cylinders.
The first cylinder 101 and the second cylinder 102 are connected into an integral structure through a common cylinder side wall.
Wherein the holes 20 are provided in a common cylinder side wall.
Wherein the holes 20 are provided in the end of the common cylinder side wall.
Wherein, the radial cross section of the cylinder is 8-shaped.
Example 3
A nailing tool using the cylinder of example 1.
Referring to fig. 3 to 7, the nailing tool comprises a housing 17, a motor 16 and a cylinder 10 are arranged in the housing 17, the end of the cylinder 10 is sealed by a sealing gasket 11 and a cylinder cover 12, a first piston 14 is arranged in a first cylinder 101 of the cylinder 10, a second piston 7 is arranged in a second cylinder 102, the second piston 7 is connected with a striker 2, the motor 16 drives the first piston 14 to reciprocate in the first cylinder 101 so as to generate air pressure change in the cylinder 10, the second piston 7 reciprocates through the air pressure change, and the second piston 7 drives the striker 2 to reciprocate.
Wherein, the casing 17 of the nailing tool is provided with the clamping piece 4, the firing pin 2 is provided with the limiting part 3 (in this embodiment, the limiting part 3 is substantially two notches arranged at the side edge of the firing pin 2), when the second piston 7 drives the firing pin 2 to move forwards for nailing, the motor 16 drives (indirectly drives) the clamping piece 4 to separate from the limiting part 3, as shown in fig. 5; when the second piston 7 drives the striker 2 to move backward and reset, the motor 16 drives (indirectly drives) the clamping piece 4 to be clamped with the limiting part 3, as shown in fig. 6.
As shown in fig. 4 to 7, a casing 17 of the nailing tool is provided with a toggle member 9, the toggle member 9 is connected with an output shaft of the motor, the casing 17 is provided with a rotatable rotating shaft 6, one end of the rotating shaft 6 is fixedly provided with a shifting fork 8, the other end of the rotating shaft 6 is fixedly provided with a rotating member 5, the rotating member 5 is in lap joint with the fastener 4, and the rotating member 5 can drive the fastener 4 to deflect around a fastener shaft 18; in the operation process of the motor 16, the output shaft of the motor drives the shifting piece 9 to rotate, the shifting piece 9 drives the shifting fork 8 and the rotating piece 5 to deflect, and the rotating piece 5 drives the clamping piece 4 to deflect.
In this embodiment, a connecting portion is provided on the overlapping surface of the rotating member 5 and the clamping member 4, the connecting portion includes a fixing pin 19 provided on the rotating member 5 and an inner recess provided on the clamping member 4, and one end portion of the fixing pin 19 is fitted in the inner recess. In essence, the fixing pin 19 is welded to the rotor 5 and used as a single piece, the recess is located in the clip 4, and the end of the fixing pin 19 not connected to the rotor 5 extends into the recess. Of course, the fixing pin 19 can also be arranged on the clamping piece 4, the fixing pin 19 and the clamping piece 4 are welded to be used as a whole, the inner concave part is positioned on the rotating piece 5, and the end part of the fixing pin 19 which is not connected with the clamping piece 4 extends into the inner concave part.
In this embodiment, a connecting portion is provided on the overlapping surface of the rotating member 5 and the clamping member 4, the connecting portion includes a fixing pin 19 provided on the clamping member 4 and an inner recess provided on the rotating member 5, and one end portion of the fixing pin 19 is fitted in the inner recess of the rotating member 5. When the rotating member 5 deflects, the rotating member 5 transmits the acting force to the card member 4 through the fixing pin 19, thereby deflecting the card member 4.
The principle is as follows: when the motor 16 operates, the output shaft of the motor rotates to drive the shifting member 9 to rotate, and when the shifting member 9 is in contact with the shifting fork 8, on one hand, the shifting member 9 drives the connecting rod 15 and the first piston 14 to move forwards in the first cylinder 101, so that the first piston 14 compresses air in the first cylinder 101, the compressed air directly enters the second cylinder 102 from the groove 13 or the hole 20 at the end part of the cylinder 10, the compressed air entering the second cylinder 102 drives the second piston 7 to act, and the second piston 7 drives the firing pin 2 to act; on the other hand, the poking part 9 drives the shifting fork 8 to deflect, the shifting fork 8 deflects to drive the rotating shaft 6 to rotate, the rotating shaft 6 rotates to drive the rotating part 5 to deflect, the rotating part 5 deflects to drive the clamping part 4 to deflect, in the process, the limiting part 3 on the firing pin 2 is separated from the clamping part 4, and the firing pin 2 moves forwards to realize nailing. When the motor 16 operates, the motor output shaft rotates to drive the stirring part 9 to rotate, and when the stirring part 9 is separated from the shifting fork 8, the stirring part 9 drives the connecting rod 15 and the first piston 14 to move backwards in the first cylinder 101, at the moment, the air pressure in the first cylinder 101 and the air pressure in the second cylinder 102 are reduced, the second piston 7 drives the firing pin 2 to reset, when the limiting part 3 on the firing pin 2 resets and moves to the position of the clamping part 4, the limiting part 3 is matched with the clamping part 4 to realize limiting, and the limiting process is simple and flexible.
Claims (10)
1. A cylinder comprising a first cylinder (101) and a second cylinder (102), characterized in that: the first cylinder (101) and the second cylinder (102) are communicated with each other through a hole (20) or a groove (13) arranged on the side wall of the cylinders.
2. The cylinder of claim 1, wherein: the first cylinder (101) and the second cylinder (102) are connected into an integral structure through a common cylinder side wall, and the hole (20) or the groove (13) is formed in the common cylinder side wall.
3. The cylinder according to claim 1 or 2, characterized in that: holes (20) or slots (13) are provided in the common end of the barrel side wall.
4. The cylinder of claim 3, wherein: the radial section of the cylinder is 8-shaped.
5. A nailing tool employing the cylinder as claimed in any one of claims 1 to 4.
6. The nailing tool of claim 5, wherein: a first piston (14) is arranged in a first cylinder (101) of the air cylinder, a second piston (7) is arranged in a second cylinder (102), the second piston (7) is connected with the firing pin (2), the first piston (14) is driven by a motor (16) to reciprocate in the first cylinder (101) to enable air pressure in the air cylinder to change in height, and then the second piston (7) and the firing pin (2) are driven to reciprocate.
7. The nailing tool of claim 6, wherein: the nailing tool also comprises a clamping piece (4) arranged on the shell (17), the firing pin (2) is also provided with a limiting part (3), and when the second piston (7) drives the firing pin (2) to move forwards for nailing, the clamping piece (4) is driven by the motor (16) to be separated from the limiting part (3); when the second piston (7) drives the firing pin (2) to move backwards and reset, the motor (16) drives the clamping piece (4) to be clamped with the limiting part (3).
8. The nailing tool of claim 7, wherein: the nailing tool also comprises a stirring piece (9) connected with the output shaft of the motor and a rotatable rotating shaft (6) arranged on the shell (17), wherein a shifting fork (8) is fixedly arranged at one end of the rotating shaft (6), a rotating piece (5) is fixedly arranged at the other end of the rotating shaft (6), the rotating piece (5) is in lap joint with the clamping piece (4), and the rotating piece (5) can drive the clamping piece (4) to deflect around a clamping piece shaft (18); in the running process of the motor (16), the output shaft of the motor drives the stirring piece (9) to rotate, the stirring piece (9) drives the shifting fork (8) and the rotating piece (5) to deflect, and the rotating piece (5) drives the clamping piece (4) to deflect.
9. The nailing tool of claim 8, wherein: the connecting part is arranged on the lapping surface of the rotating part (5) and the clamping part (4), the connecting part comprises a fixing pin (19) arranged on the rotating part (5) and an inner concave part arranged on the clamping part (4), and one end part of the fixing pin (19) is matched in the inner concave part.
10. The nailing tool of claim 8, wherein: the connecting part is arranged on the lapping surface of the rotating part (5) and the clamping part (4), the connecting part comprises a fixing pin (19) arranged on the clamping part (4) and an inner concave part arranged on the rotating part (5), and one end part of the fixing pin (19) is matched in the inner concave part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044303.8U CN210550947U (en) | 2019-07-05 | 2019-07-05 | Cylinder and nailing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044303.8U CN210550947U (en) | 2019-07-05 | 2019-07-05 | Cylinder and nailing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210550947U true CN210550947U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921044303.8U Active CN210550947U (en) | 2019-07-05 | 2019-07-05 | Cylinder and nailing tool |
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|---|---|
| CN (1) | CN210550947U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021232519A1 (en) * | 2020-05-21 | 2021-11-25 | 浙江荣鹏气动工具股份有限公司 | Locking device for electric nail gun striker |
| CN114434393A (en) * | 2020-11-06 | 2022-05-06 | 苏州宝时得电动工具有限公司 | Nail gun |
| US11819989B2 (en) | 2020-07-07 | 2023-11-21 | Techtronic Cordless Gp | Powered fastener driver |
| US11850714B2 (en) | 2021-07-16 | 2023-12-26 | Techtronic Cordless Gp | Powered fastener driver |
-
2019
- 2019-07-05 CN CN201921044303.8U patent/CN210550947U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021232519A1 (en) * | 2020-05-21 | 2021-11-25 | 浙江荣鹏气动工具股份有限公司 | Locking device for electric nail gun striker |
| US11819989B2 (en) | 2020-07-07 | 2023-11-21 | Techtronic Cordless Gp | Powered fastener driver |
| CN114434393A (en) * | 2020-11-06 | 2022-05-06 | 苏州宝时得电动工具有限公司 | Nail gun |
| CN114434393B (en) * | 2020-11-06 | 2023-09-12 | 苏州宝时得电动工具有限公司 | Nail gun |
| US11850714B2 (en) | 2021-07-16 | 2023-12-26 | Techtronic Cordless Gp | Powered fastener driver |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200709 Address after: 401346, No. 157, South Street, bounded Stone Town, Banan District, Chongqing Patentee after: Chongqing Hongyuan tool (Group) Co.,Ltd. Address before: 401346, No. 157, South Street, bounded Stone Town, Banan District, Chongqing Patentee before: Zhu Yimin |