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WO2017201790A1 - 使用气弹簧的电动钉枪 - Google Patents

使用气弹簧的电动钉枪 Download PDF

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Publication number
WO2017201790A1
WO2017201790A1 PCT/CN2016/086823 CN2016086823W WO2017201790A1 WO 2017201790 A1 WO2017201790 A1 WO 2017201790A1 CN 2016086823 W CN2016086823 W CN 2016086823W WO 2017201790 A1 WO2017201790 A1 WO 2017201790A1
Authority
WO
WIPO (PCT)
Prior art keywords
nailing
latching
longitudinal edge
gas
nail
Prior art date
Application number
PCT/CN2016/086823
Other languages
English (en)
French (fr)
Inventor
吴歧成
刘玉荣
叶财
戴露
Original Assignee
杭州科龙电器工具股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 杭州科龙电器工具股份有限公司 filed Critical 杭州科龙电器工具股份有限公司
Priority to US16/092,966 priority Critical patent/US10821586B2/en
Publication of WO2017201790A1 publication Critical patent/WO2017201790A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/04—Hand-held nailing tools; Nail feeding devices operated by fluid pressure, e.g. by air pressure
    • B25C1/047—Mechanical details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/04—Hand-held nailing tools; Nail feeding devices operated by fluid pressure, e.g. by air pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/06—Hand-held nailing tools; Nail feeding devices operated by electric power

Definitions

  • the invention relates to an electric nail gun, in particular to an electric nail gun using a gas spring.
  • the disadvantage is that there is always a compressed gas stored in the gas storage chamber.
  • the one-way component is always under the high pressure load of the gas spring, and is more prone to wear failure, once it fails It will lead to mis-striking; the structure of the tool seems simple, but the sealing requirements of the tool are very high, the manufacturing process is difficult, and the piston seal as a long-stroke dynamic seal will wear after repeated reciprocating work. The pressurized air will quickly decrease or even completely leak and the tool will fail. After the failure, the operator cannot repair due to the lack of inflatable equipment.
  • the Senco patented staple member has at least a first longitudinal edge that is substantially parallel to the direction of movement of the staple member between the transmission position and the preparatory position, having a plurality of spaced projections that are acted upon by a high pressure gas spring
  • the lifter contacts the spaced raised contact to lift the staple member to reset, and the latch member abuts against the spacer projection to prevent the nail member from falling back.
  • the first longitudinal edge includes two left and right longitudinal edges that are parallel and identical to each other, wherein the projection of the left edge interacts with the cylindrical projection pin on the lifter and the convex on the right edge It interacts with the latch member.
  • the cam edge of the lifter is divided into a lifting section and a detaching section, and the lifting section is provided with a plurality of cylindrical protruding pins, and the cylindrical protruding pins are sequentially inserted into the protrusions of the left edge to lift the nailing member;
  • the cylindrical protruding pin is not provided on the hollow section, leaving room for the nail member to move.
  • the disadvantage is that the spacing protrusion of the left longitudinal edge of the nailing member is subjected to the uninterrupted impact of the lifting device during the lifting process; during the gap period, the spacing protrusion of the right longitudinal edge impacts the bolt member and nails
  • the spacer protrusion on the right side of the member receives a large number of impacts, is easily bent and deformed, and causes tool failure.
  • the Senco patent also has a latch member that, when the nail member drives the nailing (when the direction of movement of the nail member is the first direction), is controlled by the separation device of the electromagnetic coil, and is forced into a non-contact position so that its card The plane does not interfere with the plurality of spaced projections of the nail member; when the nail member returns to the preparatory position (when the direction of movement of the nail member is the second direction), the separating device releases its latch member, and the latch member faces The position of the card is guided while the latch member
  • the sliding surface allows the plurality of spaced projections of the nailing member to move against the latch member, and the latching surface of the latch member is latched under the spacing projection of the nailing member to ensure that the nailing member does not move in the second direction Will fall.
  • the disadvantage is that the separating device is controlled by the electromagnetic coil. Since the tool vibrates greatly during operation, and the electromagnetic coil is installed close to the striking end of the nailing member, the connection of the electromagnetic coil is easily desoldered under great vibration or The wire breaks and the tool fails. Moreover, the manufacturing cost of the electromagnetic coil is much higher than that of the mechanical component, which in turn increases the cost of the tool, and also accelerates the loss of the tool battery power, reducing the number of nailing times in one charging cycle. Reduces battery life.
  • Senco patent Another disadvantage of the Senco patent is that the accuracy of the components is very high, it is not suitable for poor environments, and the operational reliability is poor.
  • the cylindrical protruding pin of the lifter and the spacing protrusion of the nailing member repeatedly rub and collide, which is easy to wear, so that the nailing member cannot be lifted in position, and the latch member cannot enter the position of the spacer protrusion.
  • the wear of the cylindrical projecting pin of the lifter also causes the lifter to fail to lift the nailing member in place when the nailing is required, and the latching surface of the latching member and the nailing member The lowermost bulge cannot be disengaged, and the nail member still presses the latch member under the action of high-pressure air, so that the separation device of the electromagnetic coil cannot pull the latch member, and the electromagnetic coil will be burnt due to excessive load, and the tool is immediately Invalid.
  • the invention overcomes the above disadvantages of the prior art, and provides an electric nail gun using a gas spring with good safety, durability and power saving.
  • An electric nail gun using a gas spring the driving mechanism thereof comprises a working cylinder, a pneumatic cylinder, a gas storage chamber, a nailing member, a lifting device, a unidirectional member, a latching device, a separating device, and a guiding member.
  • the working cylinder having a first end and an opposite second end, forming a working air chamber between the two ends, wherein the nailing piston is movable in the working gas chamber;
  • the pneumatic cylinder having a fifth end and an opposite sixth end, forming an plenum between the two ends, the inflatable piston being movable in the plenum, the fifth end of the unidirectional passage to the a gas storage chamber having an air inlet hole near the sixth end;
  • the gas storage chamber is in gas communication with the working gas chamber of the working cylinder, and receives the gas of the gas chamber in one direction;
  • the nailing piston is mechanically connected at a third end of the nailing member, comprising:
  • the staple member includes an opposite fourth end sized and shaped to urge a nail from an outlet end of the guide member, wherein the passage of the guide member allows the staple member to be in a drive and return stroke Passing therein, when in the nailing position, the nailing member protrudes toward the outlet end of the guiding member while the nailing piston moves toward the second end of the working cylinder, and when When the nailing member returns to the preparatory position, the nailing piston is pushed to move toward the first end of the working cylinder, and is retracted into the receiving end of the guiding member;
  • the nailing member has a first longitudinal edge, the first longitudinal edge having a plurality of spaced projections that cooperate with the cylindrical projecting pin of the lifting device, the first longitudinal edge being substantially parallel to the Describe the direction of movement of the nail member;
  • the nailing member has a second longitudinal edge, the second longitudinal edge has a latching slot that cooperates with the latching device, and the latching slot corresponds to a recessed section of the cam of the lifting device,
  • the longitudinal edges are substantially parallel to the direction of movement of the nail member;
  • the nail member has a groove that cooperates with the separating device near the fourth end, and the groove is interlocked with the separating device;
  • the lifting device is a cam, and the cam edge is divided into a lifting section and a detaching section, and the lifting section is provided with a plurality of cylindrical protruding pins, and the cylindrical protruding pins are sequentially inserted into the nails a spacing member of the first edge of the member is raised, and the nailing member is lifted; and the cylindrical protruding pin is not disposed on the hollow portion, leaving a space for the movement of the nailing member in the first direction; in the second preset situation Lowerly, the lifting section of the cam faces the first longitudinal edge of the nailing member, the cylindrical protruding pin is in contact with the at least one spaced apart first protruding edge of the nailing member without interruption, Lifting device drives the nailing member to move from its nailing position to a preliminary position; in a first preset situation, the hollow portion of the cam faces the first longitudinal edge of the nailing member;
  • the one-way member in a second preset case, the one-way member drives the lifting device to rotate, and the lifting device drives the nailing member to move to a preparatory position, the one-way member enables The lifting device is maintained in a preparatory position; in a third predetermined condition, the inflatable piston reciprocates in the pneumatic cylinder to compress air into the gas storage chamber, and the rotation of the one-way member Does not drive the lifting device movement.
  • the latch device having a latching surface, a sliding surface, and a pawl, wherein:
  • the dialing end of the separating device toggles the pawl of the latching device to bring the sliding surface of the latching device into a non-contacting position, so that the latching surface thereof does not The latching groove of the second longitudinal edge of the nailing member is in contact, thereby allowing the nailing member to move from the preliminary position to the outlet end of the guiding member in the first direction;
  • the separating device having a driving end and a dialing end;
  • the nailing piston pushes the nailing member from its preliminary position in a first direction by the compressed air in the gas storage chamber and the working air chamber
  • the outlet end of the guiding member moves
  • the groove of the nailing member guides the driving end of the separating device
  • the dialing end of the separating device quickly connects the pin device and the nailing member Separating so that the latching surface of the latching device does not interfere with the latching slot of the second longitudinal edge of the nailing member, thereby allowing the nailing member to move from its preparatory position to the guiding member in the second direction
  • the exit end moves;
  • the guide member disposed near the second end of the working cylinder, the guide member having a receiving end, an outlet end, and a passage between the receiving end and the outlet end, the receiving end being close to the A second end of the working cylinder, the guide member being configured to receive a nail from the outlet end.
  • gas storage chamber is configured as one of the following:
  • (b) is substantially positioned to one side of the working cylinder.
  • the nailing member moves in a first direction, and the lifting device is rotated by a driving shaft.
  • the latch device is pivotable and loaded by a spring; the pawl of the latch device is pivotable and loaded by a spring; the pawl has a pushed face and a dialed face.
  • the separating device is pivotable and loaded by a spring.
  • the driving end of the separating device is interlocked with the nailing member, and the dialing end of the separating device toggles the pawl of the latching device.
  • compressed air is stored in the plenum and the working plenum, the compressed air is in contact with the nailing piston and is always pressurized above atmospheric pressure.
  • At least one staple piston seal is included that functions to retain a majority of the pressurized gas in the plenum and working plenum.
  • At least one inflatable piston seal that acts to increase the pressure of the gas within the plenum.
  • At least one one-way valve is disposed between the gas storage chamber and the plenum chamber, and functions to pressurize pressurized gas from the plenum into the gas storage chamber.
  • a pressure sensor is disposed on the gas storage chamber, and the function of detecting the pressure of the compressed air in the gas storage chamber is to stop the inflation in time to ensure the safety of the tool.
  • a pressure relief valve is disposed on the gas storage chamber to discharge compressed air of the gas storage chamber to ensure storage and transportation safety of the tool, and to eliminate the non-working state of the one-way member. The load.
  • a magazine is provided for supporting a series of nails, and for continuously providing the nail through the opening of the guide member to a corresponding position in operation with the nail member during the driving stroke.
  • the invention has the advantages that: firstly, the self-contained inflation system has no compressed air in the air storage chamber of the nail gun when the vehicle is shipped, and there is no safety hazard of the explosion, and the air is first inflated into the gas storage cylinder during use, and then The nailing operation releases the compressed air in the gas storage cylinder after the completion of the operation, and the one-way member is not subjected to any load in the non-working state, thereby ensuring the safety of the tool during storage and transportation, and also improving the tool.
  • the nail member has two asymmetric longitudinal edges, the first longitudinal edge having a plurality of spaced projections that cooperate with the cylindrical projection pins of the lifting device, and second Only the latching groove which cooperates with the recessed section of the cam of the lifting device is opened on the longitudinal edge, the number of slots is greatly reduced, the overall strength is increased, and the number of impacts between the nailing member and the bolt is greatly reduced during the lifting process.
  • the separation device adopts mechanical structure control, which not only increases the robustness and reliability of the tool, but also greatly reduces the failure rate of the tool and also significantly reduces
  • the manufacturing cost and maintenance cost of the tool increase the number of times of nailing in one charging cycle of the battery, and also save power of the battery;
  • the second longitudinal edge only has a card slot corresponding to the hollow portion of the cam,
  • Figure 1 is a partial cross-sectional view showing the side of a nail gun in accordance with an embodiment of the present invention.
  • FIG. 2 is a partial cross-sectional view showing the upper side of a driving mechanism according to an embodiment of the present invention.
  • FIG 3 is a partial cross-sectional view showing a first predetermined driving stroke phase of a driving mechanism according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram showing the relationship between the lifting device, the separating device and the latching device in the first preset condition of the driving mechanism in the first embodiment of the present invention.
  • Figure 5 is a second longitudinal view of the latching mechanism and the nailing member in the second preset condition of the driving mechanism in the first embodiment of the present invention. Partial schematic diagram of the edge of the card slot when it is in contact.
  • Figure 6 is a partial schematic view of the drive mechanism of the first embodiment of the present invention when the nailing mechanism is in the preparatory position.
  • Fig. 7 is a partial enlarged view of Fig. 6.
  • FIG. 8 is a schematic view showing a partial section of the suction of the driving mechanism in the third preset state according to the first embodiment of the present invention.
  • Figure 9 is a schematic view showing a partial section of the driving mechanism in the third preset state in the first embodiment of the present invention.
  • Fig. 10 is a perspective view showing the latching device of the drive mechanism in the first embodiment of the present invention.
  • Figure 11 is a schematic view of the drive mechanism in the case of shifting and inflating in the first embodiment of the present invention.
  • Figure 12 is a schematic view of the drive mechanism in the case of shifting and nailing in the first embodiment of the present invention.
  • Figure 13 is a schematic view showing the drive mechanism positioned to the side of the working cylinder in the air reservoir according to the second embodiment of the present invention.
  • Figure 14 is a schematic view showing the first longitudinal edge of the nailing member of the driving mechanism in the third embodiment of the present invention as a plurality of discontinuous slots.
  • Figure 15 is a schematic view showing the first longitudinal edge side of the nailing member of the driving mechanism in the fourth embodiment of the present invention as a plurality of discontinuous projections.
  • Fig. 16 is a schematic view showing the convex tooth shape of the circumferential surface of the lifting device of the driving mechanism in the fifth embodiment of the present invention.
  • Figure 17 is a schematic view showing the arrangement of a plurality of discrete projections on the first longitudinal edge side of the nailing member of the driving mechanism in accordance with the fourth embodiment of the present invention, and the discontinuous projections of the lifting device.
  • Figure 18 is a schematic view showing a plurality of discrete projections on the first longitudinal edge side of the nailing member of the driving mechanism of the fourth embodiment of the present invention in cooperation with the cylindrical projecting pins of the lifting device.
  • Figure 19 is a schematic view showing the arrangement of a plurality of discontinuous slots on the first longitudinal edge surface of the nailing member of the driving mechanism in accordance with the tooth profile of the discontinuous projection of the lifting device in the fifth embodiment of the present invention.
  • Figure 20 is a schematic view showing the matching of the plurality of spaced projections on the first longitudinal edge surface of the nailing member of the driving mechanism and the discontinuous projection of the lifting device in the driving mechanism of the fifth embodiment of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • an electric nail gun using a gas spring the driving mechanism thereof comprises a working cylinder 1, an inflatable cylinder 2
  • the air reservoir 3 the nailing member 4, the lifting device 5, the unidirectional member 6, the latch device 7, the separating device 8, and the guide member 9.
  • the working cylinder 1 has a first end 11 and an opposite second end 12, and a working plenum 13 is formed between the ends to allow the nailing piston 41 to move within the working plenum 13.
  • the pneumatic cylinder 2 has a fifth end 21 and an opposite sixth end 22, between which an plenum 23 is formed for the inflatable piston 24 to move within the plenum 23, the fifth end of which 21 is unidirectionally connected to the gas storage chamber 3, and has an intake hole 25 near the sixth end 22.
  • the air reservoir 3 surrounds at least a portion of the working cylinder 1, is in gas communication with the working air chamber 13 of the working cylinder 1, and receives the gas of the plenum 23 in one direction.
  • the nailing piston 41 is mechanically connected at the third end 42 of the nailing member 4, and includes:
  • the nail member 4 includes an opposite fourth end 43 that is sized and shaped to urge the nail 101 from the outlet end 92 of the guide member 9, wherein the passage 93 of the guide member 9 allows the nail member 4 to pass through during driving and return strokes
  • the nail member 4 protrudes toward the outlet end 92 of the guide member 9 after the nailing piston 41 moves toward the second end 12 of the working cylinder 1, and when the nail member 4 returns to the preparatory position Pushing the nailing piston 41 toward the first end 11 of the working cylinder 1 and being withdrawn into the guiding member 9;
  • the nail member 4 has a first longitudinal edge 44a having a plurality of spaced projections 45a that cooperate with the cylindrical projection pins 51a of the lifting device 5, the first longitudinal edges 44 of which are substantially parallel to The direction of movement of the nail member 4;
  • the nailing member 4 has a second longitudinal edge 46, the second longitudinal edge 46 having a latching slot 47 that cooperates with the latching means 7, the latching slot 47 corresponding to the recessed section 52b of the cam of the lifting device, the second longitudinal direction
  • the edge 46 is substantially parallel to the direction of movement of the nail member 4;
  • the nailing member 4 has a groove 48 engaged with the separating device 8 near the fourth end 43, and the groove 48 is interlocked with the separating device 8;
  • the lifting device 5 is a cam 52.
  • the edge of the cam 52 is divided into a lifting section 52a and a detaching section 52b.
  • the lifting section 52a is provided with a plurality of cylindrical projecting pins 51a, cylindrical.
  • the protruding pin 51a is sequentially inserted under the spacing protrusion 45a of the first longitudinal edge of the nailing member to lift the nailing member 4; and the cylindrical protruding pin is not disposed on the hollowing portion 52b, in order to the nailing member 4 in the first side
  • the upward movement leaves a space; in the second preset case, the lifting section 52a of the cam faces the first longitudinal edge 44a of the nailing member, and at least one of the cylindrical protruding pin 51a and the first longitudinal edge 44a of the nailing member is spaced apart Contacting 45a, driving the nailing member 4 to move from its nailing position to the preliminary position; in the first preset case, the hollow portion 52b of the cam faces the first longitudinal edge 44a of the nailing member;
  • the unidirectional member 6 in the second preset case, the unidirectional member 6 drives the lifting device 5 to rotate, and the lifting device 5 drives the nailing member 4 to move to the preparatory position, and the unidirectional member 6 lifts
  • the lifting device 5 is held in the preparatory position; as shown in FIG. 8 and FIG. 9, in the third preset case, the inflation piston 24 reciprocates in the pneumatic cylinder 2 to compress the air into the gas storage chamber 3, at this time, the one-way member The rotation of 6 does not drive the lifting device 5 to move.
  • the latch device 7 has a latching surface 71, a sliding surface 72 and a pawl 73, wherein:
  • the toggle end 82 of the separating device 8 toggles the pawl 73 of the latch device 7 to bring the sliding surface 72 of the latch device 7 into a non-contact position, so that its latching surface 71 does not interact with the nailing member
  • the latching groove 47 of the second longitudinal edge 46 of the fourth surface interferes, thereby allowing the nailing member 4 to move from its preparatory position toward the outlet end 92 of the member 9 in a first direction;
  • the separating device 8 releases its latch device 7, so that the latch device 7 is forced to be attached to the nailing device.
  • the second longitudinal edge 46 of the member 4 allows the second longitudinal edge 46 of the nail member 4 to move along the sliding surface 72 of the latch device 7, and the nail member 4 strikes the latching surface 7 of the latch device 7
  • the latching groove 47 of the nail member 4 is guided until the latching surface 7 of the latching device 7 interferes with the latching groove 47 of the nailing member 4, so that the nailing member 4 is kept moving in the second direction without being reversed;
  • the separating device 8 has a driving end 81 and a dialing end 82;
  • the nailing member 41 under the action of the compressed air in the air reservoir 3 and the working air chamber 13, the nailing member 4 is guided from the preliminary position to the outlet end 92 of the member 9 in the first direction.
  • the recess 48 of the nailing member 4 guides the drive end 81 of the separating device 8, and the dialing end 82 of the separating device 8 quickly separates the latching device 7 from the nailing member 4 from the attached state, so that the latching device 7 has a latching surface 71 does not interfere with the catching groove 47 of the second longitudinal edge 46 of the nail member 4, thereby allowing the nail member 4 to move from its preparatory position toward the outlet end 92 of the member 9 in the second direction;
  • the separating device 8 releases its latch device 7, so that the latch device 7 is forced to stick to the second longitudinal edge 46 of the nail member 4;
  • the guide member 9 is disposed adjacent to the second end 12 of the working cylinder 1, and has a receiving end 91, an outlet end 92, and a passage 101 between the receiving end 91 and the outlet end 93,
  • the receiving end 91 is closest to the second end 12 of the working cylinder 1, and the guiding member 9 is arranged to receive the nail 101 from the outlet end 92;
  • the nail member 4 is moved in the first direction, and the lifting device 5 is rotated by the drive shaft 53.
  • the latch device 7 is pivotable and loaded by the first spring 74; the pawl 73 of the latch device 7 is pivotable, loaded by the second spring 75; 73 has a pushed surface 731 and a dialed surface 732.
  • the groove 48 of the nail member 4 guides the drive end 81 of the separating device 8 to the nail member 4
  • the second longitudinal edge 46, the dialing end 82 of the separating device 8 is rotated to dial the dialed surface 732 of the latching pawl 73, causing the latching device 7 to be quickly separated from the second longitudinal edge 46 of the nailing member 4 as the separating device
  • the dial end 82 of the 8 is rotated to a certain angle, the pawl 73 of the latching device 7 is released, and the latching device 7 is attached to the second longitudinal edge 46 of the nailing member 4 by the action of the first spring 74.
  • the latch device 7 is forced to be attached to the second longitudinal edge 46 of the nail member 4, and the nail member 4 urges the latch device to the latching surface 71
  • the latching groove 47 of the nailing member 4 is guided to keep the nailing member 4 moved in the second direction without being reversed; when the groove 48 of the nailing member is moved to be flush with the driving end 81 of the separating device 8
  • the driving end 81 of the separating device 8 enters the recess 48 of the nailing member 4 under the action of the third spring 83.
  • the nailing member 4 drives the separating device 8 to rotate, and the dialing end 82 of the separating device 8 contacts the spine of the latching device 7.
  • the separating device 8 is pivotable and loaded by a third spring 83.
  • the drive end 81 of the separating device 8 is interlocked with the nailing member 4, and the toggle end 82 of the separating device 8 toggles the pawl 73 of the latch device 7.
  • An electric nail gun using a gas spring further, its driving mechanism compressed air is stored in the gas storage chamber 3 and the working gas chamber 13, and the compressed air is in contact with the nailing piston 41 and is always pressurized to be higher than atmospheric pressure.
  • the driving mechanism further includes at least one nailing piston seal 411 for maintaining a majority of the pressurized gas in the gas storage chamber 3 and the working gas chamber 13 in.
  • An electric nail gun using a gas spring the drive mechanism further comprising at least one inflatable piston seal 241 acting to increase the pressure of the gas in the plenum 23.
  • An electric nail gun using a gas spring the driving mechanism further providing at least one one-way valve 26 between the gas storage chamber 3 and the plenum 23, which functions to pressurize the pressurized gas from the plenum chamber 23 into the gas storage In room 3.
  • An electric nail gun using a gas spring the driving mechanism further is provided with a pressure sensor 31 on the gas storage chamber 3, which functions to detect the pressure of the compressed air in the gas storage chamber 3, and stops the inflation in time to ensure the safety of the tool. .
  • An electric nail gun using a gas spring wherein a driving mechanism further has a pressure relief valve 32 on the gas storage chamber, which functions to discharge compressed air of the gas storage chamber 3 to ensure storage and transportation safety of the tool. And the load that eliminates the non-operating state of the unidirectional member 6.
  • the driving mechanism further includes a magazine 10 for supporting a series of nails 101, and for continuously providing the nails 101 through the guiding members during the driving stroke.
  • the opening of 9 reaches a corresponding position in which the nail member 4 operates.
  • the driving mechanism further includes a motor 30 passing through the gearbox 20 drives the drive shaft 53; in the third preset case, as shown in FIGS. 9 and 11, the shift lever 70 is pressed to block the air sealing plug 80 to block the air sealing port 27, and the motor 30 reversely drives the pneumatic piston 24 to inflate.
  • the compressed gas enters the gas storage chamber 3 through the check valve 26, and the pressure of the compressed air is detected by the pressure sensor 31 to stop the inflation in a timely manner; in the first preset situation, as shown in Figs. 1, 3, 4, and 12, press back.
  • the shift lever 70 causes the air sealing plug 80 to open the air sealing port 27, and simultaneously presses the bumper 60 to buckle the trigger 40, and the motor 30 rotates the lifting device 5 to perform the nailing operation.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the rest is the same as in the first embodiment.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • an electric nail gun using a gas spring has a driving mechanism nailing member 4 having a first longitudinal edge 44b, and a first longitudinal edge 44b having a plurality of discontinuous slots 45b.
  • the discontinuous raised tooth profile 51b of the lifting device 5 cooperates with its first longitudinal edge 44b being substantially parallel to the direction of movement of the nailing member 4. The rest is the same as in the first embodiment.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • an electric nail gun using a gas spring has a driving mechanism nailing member 4 having a first longitudinal edge 44c, and a side of the first longitudinal edge 44c has a plurality of discontinuous protrusions 45c, and The discontinuous raised tooth profile 51b of the lifting device 5 cooperates with its first longitudinal edge 44c being substantially parallel to the direction of movement of the nailing member 4. The rest is the same as in the first embodiment.
  • the driving mechanism nailing member 4 has a first longitudinal edge 44c, and the first longitudinal edge 44c has a plurality of discontinuous protrusions 45c on the side thereof.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • an electric nail gun using a gas spring has a driving mechanism lifting device 5: a circumferential surface having a discontinuous convex tooth shape 51b along the discontinuous projection
  • the predetermined position of the tooth shape 51b is in contact with a plurality of spaced projections 45a on the first edge 44a of the nail member 4, and the lifting device 5 drives the nail member 4 to move from its staple position to the preparatory position.
  • the rest is the same as in the first embodiment.
  • an electric nail gun using a gas spring has a driving mechanism lifting device 5: a circumferential surface having a discontinuous convex tooth shape 51b along the discontinuous projection The predetermined position of the tooth shape 51b is in contact with the plurality of discontinuous slots 45b on the first edge 44b of the nail member 4, and the lifting device 5 drives the nail member 4 to move from the nailing position to the preparatory position;
  • an electric nail gun using a gas spring has a driving mechanism lifting device 5: a circumferential surface having a discontinuous convex tooth shape 51b along the discontinuous projection The predetermined position of the tooth shape 51b is in contact with a plurality of discontinuous protrusions 45c on the side of the first edge 44c of the nail member 4, and the lifting device 5 drives the nail member 4 to move from the nailing position to the preparatory position;
  • the invention is improved on the structure of the existing electric nail gun, the structure is simple and novel, the performance is reliable, the piston seal ring is easy to replace when worn, the nailing speed is fast, the work efficiency is high, and the unsafe factor of storage and transportation is completely solved. .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
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Abstract

一种使用气弹簧的电动钉枪，其驱动机构包括工作气缸（1）、充气气缸（2）、储气室（3）、打钉构件（4）、提举装置（5）、单向构件（6）、插销装置（7）、分离装置（8）、导向构件（9）。打钉构件（4）具有与提举装置（5）配合的第一纵向边缘（44）和与插销装置（7）、分离装置（8）配合的第二纵向边缘（46）；第一纵向边缘（44）具有数个间隔凸起不连续的工作面，与提举装置（5）的圆柱形突伸销相配合，第二纵向边缘（46）具有一个与插销装置（7）配合的卡位槽（47），卡位槽（47）对应于提举装置（5）的凸轮的脱空段。

Description

使用气弹簧的电动钉枪 技术领域
本发明涉及一种电动钉枪，尤其涉及一种使用气弹簧的电动钉枪。
背景技术
一种早期的空气弹簧打钉枪披露在Sollberger的美国专利US4215808中。Sollberger的专利是使用一个齿条与一个小齿轮将活塞提举到预备位置。一个分开的可弯曲的机械缆线则被用来通过一个传动系统将电机的机械输出带动钉枪的小齿轮传动装置。
另一种空气弹簧打钉枪披露在Kondo的美国专利US5720423中。这个Kondo的专利使用一个分开的具有一个空气补充活塞的空气补充供应槽，用来补充驱动一个活塞所需要的加压空气，而该加压空气则转而将一个钉子打入物体中。
另一种气压弹簧打钉枪披露在Pedicini的公开美国专利申请案US20060180631中，该工具使用一个齿条以及小齿轮将活塞移回到预备位置。齿条以及小齿轮在动力行程期间被退耦。Pedicini的工具使用了释压阀来补充在钉子驱动期间所损失掉的空气。
另一种气压弹簧打钉枪披露在Senco的美国专利US8011547中，该工具使用气压弹簧原理来提供快速的向下动力行程，并且使用一个凸轮形状的旋转变直线式提举器，该提举器的圆周表面上具有多个的圆柱形突伸销，使用提举器的多次旋转才能将打钉构件提举回预备位置，并由单向构件将提举器保持在预定位置；还具有一个气缸及一个储气室，并且储气室的容积与气缸的位移容积比例至少是2：1，其加压空气在一开始就使用专用的充气设备充填在储气室中，并且该工具上没有补气系统。其缺点在于始终有压缩气体储存在储气室中，一旦发生碰撞泄漏存在爆炸的安全隐患；即便在非工作状态，其单向构件始终处于气弹簧的高压负荷下，更容易磨损失效，一旦失效将导致误击发；该工具结构看似简单，但对工具的密封性要求很高，制造过程困难，而且活塞密封圈作为长行程的动密封件在多次的往复工作后一定会磨损，所存的加压空气会迅速降低乃至完全泄漏而使工具失效，失效后操作者因不具备充气设备而无法维修。
Senco专利的打钉构件具有至少第一纵向边缘，其基本上平行于打钉构件的位于传动位置和预备位置之间的运动方向，具有数个间隔的凸起，在高压气弹簧的作用下提举器与间隔的凸起接触提举打钉构件复位，插销构件与间隔凸起抵触防止打钉构件回落。第一纵向边缘包括两个相互平行且完全相同的左侧纵向边缘和右侧纵向边缘，其中左侧边缘的凸起与提举器上的圆柱形突伸销相互作用，右侧边缘上的凸起与插销构件相互作用。提举器的凸轮边缘分为提举段和脱空段，提举段上设有若干个圆柱形突伸销，圆柱形突伸销依次插入左侧边缘的凸起，提举打钉构件；而脱空段上未设置圆柱形突伸销，为了打钉构件动作留出空间。相邻的提举器的圆柱形突伸销之间有提举器脱离打钉构件的间隙，此时上一个圆柱形突伸销已经离开间隔凸起，而下一个圆柱形突伸销尚未插入间隔凸起，在间隙期打钉构件依靠插销构件支撑，防止打钉构件在气压下逆行；末尾的圆柱形突伸销与首个圆柱形突伸销之间，形成脱空段。其缺点是：打钉构件在被提举过程中左侧纵向边缘的间隔凸起会经受提举器不间断的撞击；在间隙期，右侧纵向边缘的间隔凸起会冲击插销构件，打钉构件的右侧的间隔凸起接受撞击次数较多，容易弯曲变形而损坏，导致工具失效。
Senco专利还具有一个插销构件，在打钉构件驱动打钉时(此时打钉构件的运动方向是第一方向)，由电磁线圈的分离装置控制，并且被迫进入非接触位置，从而其卡位面不会与打钉构件的数个间隔凸起抵触；在打钉构件返回预备位置时(此时打钉构件的运动方向是第二方向)，分离装置又释放其插销构件，插销构件向着卡位位置被引导，同时插销构件的 滑动面允许打钉构件的数个间隔的凸起靠着插销构件移动，插销构件的卡位面在打钉构件的间隔凸起下方进行卡位，保证打钉构件在第二方向上移动时不会下落。其缺点在于分离装置使用电磁线圈控制，由于该工具在工作时震动很大，而电磁线圈安装位置又靠近打钉构件的击打端，电磁线圈的连线很容易在巨大的震动下脱焊或断线而使工具失效，况且电磁线圈的制造成本远远高于机械部件，这无形之中又增加了工具的成本，同时也加快工具电池电量的损耗，减少了一个充电循环的打钉次数，降低了电池的使用寿命。
Senco专利的另外一个缺点是对零部件的精度要求很高，不能适应较差的环境，动作可靠性较差。提举器的圆柱形突伸销与打钉构件的间隔凸起多次的摩擦和撞击，容易磨损，而使打钉构件无法提举到位，导致其插销构件无法进入间隔凸起的卡位之中，从而导致工具失效；提举器的圆柱形突伸销的磨损还导致当需要打钉时提举器无法向上微量提举打钉构件到位，而插销构件的卡位面与打钉构件的最下方的凸起无法脱离抵触，打钉构件在高压空气作用下仍压牢插销构件，使电磁线圈的分离装置无法拉开插销构件，此时电磁线圈将会因为负载过大而烧毁，工具立即失效。
发明内容
本发明要克服现有技术的以上缺点，提供一种安全性好、耐用、省电的使用气弹簧的电动钉枪，
本发明的技术方案是：
一种使用气弹簧的电动钉枪，其驱动机构包括工作气缸、充气气缸、储气室、打钉构件、提举装置、单向构件、插销装置、分离装置、导向构件。
(1)所述工作气缸：其具有第一端和相对的第二端，在两端之间形成工作气室，可供打钉活塞在所述工作气室内移动；
(2)所述充气气缸：其具有第五端和相对的第六端，在两端之间形成充气室，可供充气活塞在所述充气室内移动，其第五端单向通往所述储气室，靠近第六端具有进气孔；
(3)所述储气室：与所述工作气缸的工作气室气体连通，单向接收所述充气室的气体；
(4)所述打钉构件：所述打钉活塞在所述打钉构件的第三端机械连接，包括：
(i)所述打钉构件包括相对的第四端，其大小和形状设计为从所述导向构件的出口端推动钉子，其中所述导向构件的通道允许所述打钉构件在驱动和返回行程中经过其中，当处于打钉位置时，所述打钉构件在所述打钉活塞向着所述工作气缸的第二端移动的同时，朝着所述导向构件的出口端突出，并且当所述打钉构件返回预备位置时，推动所述打钉活塞朝着所述工作气缸的第一端移动，被收回进入所述导向构件的接收端；
(ii)所述打钉构件具有第一纵向边缘，第一纵向边缘具有数个间隔凸起，与所述提举装置的圆柱形突伸销相配合，其第一纵向边缘基本上平行于所述打钉构件的运动方向；
(iii)所述打钉构件具有第二纵向边缘，第二纵向边缘具有与所述插销装置配合的卡位槽，所述的卡位槽对应于提举装置的凸轮的脱空段，其第二纵向边缘基本上平行于所述打钉构件的运动方向；
(iiii)所述打钉构件靠近第四端具有一个与所述分离装置配合的凹槽，所述凹槽与分离装置连动；
(5)所述提举装置是一个凸轮，所述的凸轮边缘分为提举段和脱空段，提举段上设有若干个圆柱形突伸销，圆柱形突伸销依次插入打钉构件第一边缘的间隔凸起下，提举打钉构件；而脱空段上未设置圆柱形突伸销，为了打钉构件在第一方向上的移动留出空间；在第二预设情况下，所述凸轮的提举段面向所述打钉构件的第一纵向边缘，所述圆柱形突伸销无间断地与所述打钉构件第一纵向边缘的至少一个间隔凸起接触，所述提举装置带动所述打钉构件从其打钉位置向预备位置移动；在第一预设情况下，所述凸轮的脱空段面向所述打钉构件的第一纵向边缘；
(6)所述单向构件：在第二预设情况下，所述单向构件带动所述提举装置旋转，所述提举装置带动打钉构件向预备位置移动，所述单向构件使所述提举装置保持在预备位置；在第三预设情况下，所述充气活塞在所述充气气缸中往复运动，将空气压缩进入所述储气室，此时所述单向构件的旋转并不带动提举装置运动。
(7)所述插销装置：其具有卡位面、滑动面和棘爪，其中：
(i)在第一预设情况下，所述分离装置的拨动端拨动所述插销装置的棘爪使所述插销装置的滑动面进入非接触位置，从而其卡位面不会与所述打钉构件的第二纵向边缘的卡位槽抵触，进而允许所述打钉构件在第一方向从其预备位置向所述导向构件的出口端移动；
(ii)在第二预设情况下，当所述打钉构件返回预备位置时，所述分离装置释放其所述插销装置，从而所述插销装置被迫紧靠在所述打钉构件的第二纵向边缘上，并允许所述打钉构件的第二纵向边缘沿着插销装置的滑动面移动，并且所述打钉构件将所述插销装置卡位面向所述打钉构件的卡位槽引导，直至所述插销装置卡位面与所述打钉构件的卡位槽抵触，使所述打钉构件保持在第二方向上移动不会逆行；
(8)所述分离装置：其具有传动端和拨动端；
(i)在第一预设情况下，所述打钉活塞在所述储气室和所述工作气室中的压缩空气作用下推动所述打钉构件在第一方向上从其预备位置向所述导向构件的出口端移动，所述打钉构件的凹槽引导所述分离装置的传动端，所述分离装置的拨动端将所述插销装置与所述打钉构件由贴附状态快速分离，从而所述插销装置卡位面不会与所述打钉构件的第二纵向边缘的卡位槽抵触，进而允许所述打钉构件在第二方向上从其预备位置向所述导向构件的出口端移动；
(ii)在第二预设情况下，当所述打钉构件返回预备位置时，所述分离装置释放所述插销装置，从而所述插销装置被迫贴附在所述打钉构件的第二纵向边缘上；
(9)所述导向构件：其设置在所述工作气缸的第二端附近，所述导向构件具有接收端、出口端以及接收端和出口端之间的通道，所述接收端接近于所述工作气缸的第二端，所述导向构件被设置为从所述出口端接收钉子。
进一步，所述储气室被配置为以下之一：
(a)被定位为基本上包围所述工作气缸的至少一部分；
(b)基本上被定位至所述工作气缸的一侧。
进一步，所述打钉构件在第一方向上移动，所述提举装置由驱动轴带动旋转。
进一步，所述插销装置可枢转，并且由弹簧加载；所述插销装置的棘爪可枢转，由弹簧加载；棘爪具有被推面和被拨面。
(a)在第一预设情况下，所述打钉构件从其预备位置向导向构件的出口端移动时，所述打钉构件的凹槽引导所述分离装置的传动端贴附打钉构件的第二纵向边缘，所述分离装置的拨动端发生旋转拨动所述插销装置棘爪的被拨面，使所述插销装置从打钉构件的第二纵向边缘快速分离，当所述分离装置的拨动端旋转至一定角度时释放所述插销装置的棘爪，所述插销装置在弹簧力的作用下又贴附在所述打钉构件的第二纵向边缘。
(b)在第二预设情况下，当所述打钉构件返回预备位置时，所述插销装置被迫贴附在所述打钉构件的第二纵向边缘上，所述打钉构件将所述插销装置卡位面向所述打钉构件的卡位槽引导，直至所述插销装置卡位面与所述打钉构件的卡位槽抵触，使所述打钉构件保持在第二方向上移动不会被停止；当所述打钉构件的凹槽移动到与所述分离装置的传动端平齐时，所述分离装置的传动端在弹簧力的作用下进入所述打钉构件的凹槽，所述打钉构件带动分离装置旋转，所述分离装置的拨动端接触所述插销装置的棘爪的被推面，所述插销装置的棘爪将让过所述分离装置的拨动端，使所述分离装置的拨动端到达插销装置的棘爪的被拨 面。
进一步，所述分离装置可枢转，并且由弹簧加载。所述分离装置的传动端与打钉构件连动，所述分离装置的拨动端拨动所述插销装置的棘爪。
进一步，压缩空气储存在所述储气室和所述工作气室中，压缩空气与所述打钉活塞接触并且总是被加压为高于大气压。
进一步，包括至少一个打钉活塞密封件，其作用为将大部分所述加压气体保持于所述储气室和工作气室中。
进一步包，括至少一个充气活塞密封件，其作用为将所述充气室内的气体提高压力。
进一步，在所述储气室与所述充气室之间设置至少一个单向阀，其作用为将加压气体从所述充气室单向压入所述储气室中。
进一步，在所述储气室上设置一个压力传感器，其作用为检测储气室的压缩空气的压力，适时停止充气以保证工具使用的安全性。
进一步，在所述储气室上设置一个泄压阀，其作用为可排泄所述储气室的压缩空气，以保证工具的贮存和运输安全性，以及消除所述单向构件的非工作状态的负荷。
进一步，包括钉匣，其用于支撑一系列钉子，以及用于在所述驱动冲程中，连续的提供所述钉子通过导向构件的开口到达与所述打钉构件工作的对应位置。
进一步：
(a)所述第一预设情况发生在驱动冲程阶段；
(b)所述第二预设情况发生在提举间隔阶段；
(c)所述第三预设情况发生在充气阶段。
本发明的优点是：其一，自带充气系统，出货时钉枪的储气室中没有压缩空气，也就不存在爆炸的安全隐患，在使用时先行充气到储气气缸中，再进行打钉作业，作业完成后再将储气气缸中的压缩空气释放掉，在非工作状态其单向构件不受任何负载，保证了工具在贮存和运输过程中的安全性，同时也提高了工具的灵活性和使用寿命；其二，打钉构件具有两个不对称的纵向边缘，第一纵向边缘上具有数个间隔的凸起，与提举装置的圆柱形突伸销相配合，第二纵向边缘上仅仅开有与提举装置的凸轮的脱空段配合的卡位槽，开槽数量大大减少，增加了整体强度，同时提举过程中打钉构件与插销之间的冲击次数大大减少，有利于减少零部件损耗；其三，分离装置采用机械结构控制，既增加了工具的牢固性和可靠性，又大大减少了工具的故障率，也明显降低了工具的制造成本和维修成本，增加了电池的一个充电循环的打钉次数，同时也节省电池的电力；其四，由于第二纵向边缘只开有与凸轮的脱空段对应的卡位槽，当第二预设情况结束时，即打钉机构回到预备位置时，插销仍然依靠在打钉机构的第二边缘上，而非插入打钉机构的槽中，如此，当打钉机构位于预备位置时，插销没有被第二纵向边缘压迫，提举器向上微量提举打钉构件的高度不影响插销的退出，消除了提举装置的圆柱形突伸销的磨损对于插销退出的影响，可以降低对于零件精度的要求，延长设备寿命，这点对于工作环境恶劣的打钉枪来说，非常重要。
说明书附图
图1是本发明实施例一钉枪侧面的局部断面示意图。
图2是本发明实施例一驱动机构上侧面的局部断面示意图。
图3是本发明实施例一驱动机构第一预设情况驱动冲程阶段局部剖视图。
图4是本发明实施例一中驱动机构在第一预设情况下提举装置、分离装置和插销装置的关系示意图。
图5是本发明实施例一中驱动机构在第二预设情况中插销装置与打钉构件的第二纵向 边缘的卡位槽抵触时局部示意图。
图6是本发明实施例一中驱动机构在打钉机构位于预备位置时的局部示意图。
图7是图6的局部放大图。
图8是本发明实施例一中驱动机构在第三预设情况下的吸气局部断面的示意图。
图9是本发明实施例一中驱动机构在第三预设情况下充气局部断面的示意图。
图10是本发明实施例一中驱动机构的插销装置的立体示意图。
图11是本发明实施例一中驱动机构在换挡充气时的示意图。
图12是本发明实施例一中驱动机构在换挡打钉时的示意图。
图13是本发明实施例二中驱动机构在储气室定位至工作气缸一侧的示意图。
图14是本发明实施例三中驱动机构的打钉构件第一纵向边缘表现为数个不连续的槽孔时的示意图。
图15是本发明实施例四中驱动机构的打钉构件第一纵向边缘侧面表现为数个不连续的凸起时的示意图。
图16是本发明实施例五中驱动机构的提举装置圆周面表现为不连续的凸起的齿形的示意图。
图17是本发明实施例四中驱动机构的打钉构件第一纵向边缘侧面数个不连续的凸起与提举装置的不连续凸起的齿形相配合的示意图。
图18是本发明实施例四中驱动机构的打钉构件第一纵向边缘侧面数个不连续的凸起与提举装置的圆柱突伸销相配合的示意图。
图19是本发明实施例五中驱动机构的打钉构件第一纵向边缘表面数个不连续的槽孔与提举装置的不连续凸起的齿形相配合的示意图。
图20是本发明实施例五中驱动机构的打钉构件第一纵向边缘表面数个间隔凸起与提举装置的不连续凸起的齿形相配合的示意图。
图中:1、工作气缸；1a、单独的工作气缸；2、充气气缸；3、储气室；3a、定位在外的储气室；4、打钉构件；5、提举装置；6、单向构件；7、插销装置；8、分离装置；9、导向构件；10、钉匣；11、工作气缸第一端；12、工作气缸第二端；13、工作气室；20、变速箱；21、充气气缸第五端；22、充气气缸第六端；23、充气室；24、充气活塞；25、进气孔；26、单向阀；27、封气口、30、电机；31、压力传感器；32、泄压阀；40、扳机、41、打钉活塞；42、打钉构件第三端；43、打钉构件第四端；44a、打钉构件第一纵向边缘(表面具有数个间隔凸起)；44b、打钉构件第一纵向边缘(表面具有数个不连续的槽孔)；44c、打钉构件第一纵向边缘(侧面具有数个不连续的凸起)；45a、第一纵向边缘间隔的凸起；45b、第一纵向边缘不连续的槽孔；45c、第一纵向边缘侧面不连续的凸起；46、打钉构件第二纵向边缘；47、第二纵向边缘卡位槽；48、打钉构件凹槽；50、电池；51a、提举装置圆柱形突伸销；51b、提举装置不连续的凸起的齿形；52、凸轮；52a提举段；52b脱空段；53、驱动轴；60、保险杆；70、换挡杆、71、插销装置卡位面；72插销装置滑动面；73、插销装置棘爪；74、第一弹簧；75、第二弹簧；80、封气塞、81、分离装置传动端；82、分离装置拨动端；83、第三弹簧；91、导向构件接收端；92、导向构件出口端；93、导向构件通道；101、钉子；241、充气活塞密封件；731、棘爪被推面；732、棘爪被拨面
具体实施方式
下面结合附图进一步说明本发明。
实施例一：
如图2所示，一种使用气弹簧的电动钉枪，其驱动机构包括工作气缸1、充气气缸2、 储气室3、打钉构件4、提举装置5、单向构件6、插销装置7、分离装置8、导向构件9。
如图2所示，工作气缸1：其具有第一端11和相对的第二端12，在两端之间形成工作气室13，可供打钉活塞41在工作气室13内移动。
如图2所示，充气气缸2：其具有第五端21和相对的第六端22，在两端之间形成充气室23，可供充气活塞24在充气室23内移动，其第五端21单向通往储气室3，靠近第六端22具有进气孔25。
如图2所示，储气室3：包围工作气缸1的至少一部分，与工作气缸1的工作气室13气体连通，单向接收充气室23的气体。
如图2、图5所示，打钉构件4：所述打钉活塞41在打钉构件4的第三端42机械连接，包括：
打钉构件4包括相对的第四端43，其大小和形状设计为从导向构件9的出口端92推动钉子101，其中导向构件9的通道93允许打钉构件4在驱动和返回行程中经过其中，当处于打钉位置时，打钉构件4在打钉活塞41向着工作气缸1的第二端12移动之后，朝着导向构件9的出口端92突出，并且当打钉构件4返回预备位置时，推动打钉活塞41朝着工作气缸1的第一端11移动，被收回进入导向构件9；
打钉构件4具有第一纵向边缘44a，第一纵向边缘44a具有数个间隔的凸起45a，与提举装置5的圆柱形突伸销51a相配合，其第一纵向边缘44基本上平行于打钉构件4的运动方向；
打钉构件4具有第二纵向边缘46，第二纵向边缘46具有一个与插销装置7配合的卡位槽47，卡位槽47对应于提举装置的凸轮的脱空段52b，其第二纵向边缘46基本上平行于打钉构件4的运动方向；
打钉构件4靠近第四端43具有一个与分离装置8配合的凹槽48，凹槽48与分离装置8连动；
如图5所示，提举装置5：是一个凸轮52，凸轮52的边缘分为提举段52a和脱空段52b，提举段52a上设有若干个圆柱形突伸销51a，圆柱形突伸销51a依次插入打钉构件第一纵向边缘的间隔凸起45a下，提举打钉构件4；而脱空段52b上未设置圆柱形突伸销，为了打钉构件4在第一方向上移动留出空间；在第二预设情况下，凸轮的提举段52a面向打钉构件第一纵向边缘44a，圆柱形突伸销51a与打钉构件第一纵向边缘44a的至少一个间隔凸起45a接触，带动打钉构件4从其打钉位置向预备位置移动；在第一预设情况下，凸轮的脱空段52b面向打钉构件的第一纵向边缘44a；
如图2所示，单向构件6：在第二预设情况下，单向构件6带动提举装置5旋转，提举装置5带动打钉构件4向预备位置移动，单向构件6使提举装置5保持在预备位置；如图8、图9所示，在第三预设情况下，充气活塞24在充气气缸2中往复运动，将空气压缩进入储气室3，此时单向构件6的旋转并不带动提举装置5运动。
如图3、图4所示，插销装置7：其具有卡位面71、滑动面72和棘爪73，其中：
在第一预设情况下，分离装置8的拨动端82拨动插销装置7的棘爪73使插销装置7的滑动面72进入非接触位置，从而其卡位面71不会与打钉构件4的第二纵向边缘46的卡位槽47抵触，进而允许打钉构件4在第一方向从其预备位置向导向构件9的出口端92移动；
如图5、图6、图7所示，在第二预设情况下，当打钉构件4返回预备位置时，分离装置8释放其插销装置7，从而插销装置7被迫贴附在打钉构件4的第二纵向边缘46上，并允许所述打钉构件4的第二纵向边缘46沿着插销装置7的滑动面72移动，并且打钉构件4将插销装置7卡位面71向打钉构件4的卡位槽47引导，直至插销装置7卡位面7与打钉构件4的卡位槽47抵触，使打钉构件4保持在第二方向上移动不会逆行；
如图3、图4、图5、图6、图7所示，分离装置8：其具有传动端81和拨动端82；
在第一预设情况下，打钉活塞41在储气室3和工作气室13中的压缩空气作用下，打钉构件4在第一方向上从其预备位置向导向构件9的出口端92移动，打钉构件4的凹槽48引导分离装置8的传动端81，分离装置8的拨动端82将插销装置7与打钉构件4由贴附状态快速分离，从而插销装置7卡位面71不会与打钉构件4的第二纵向边缘46的卡位槽47抵触，进而允许打钉构件4在第二方向上从其预备位置向导向构件9的出口端92移动；
在第二预设情况下，当打钉构件4返回预备位置时，分离装置8释放其插销装置7，从而插销装置7被迫贴附在打钉构件4的第二纵向边缘46上；
如图6、图7所示，导向构件9：其设置在工作气缸1的第二端12附近，导向构件具有接收端91、出口端92以及接收端91和出口端93之间的通道101，接收端91最接近于工作气缸1的第二端12，导向构件9被设置为从出口端92接收钉子101；
如图2所示，打钉构件4在第一方向上移动，提举装置5由驱动轴53带动旋转。
如图3、图4、图5、图10所示，插销装置7可枢转，并且由第一弹簧74加载；插销装置7的棘爪73可枢转，由第二弹簧75加载；棘爪73具有被推面731和被拨面732。
在第一预设情况下，打钉构件4从其预备位置向导向构件9的出口端92移动时，打钉构件4的凹槽48引导分离装置8的传动端81贴附打钉构件4的第二纵向边缘46，分离装置8的拨动端82发生旋转拨动插销装置棘爪73的被拨面732，使插销装置7从打钉构件4的第二纵向边缘46快速分离，当分离装置8的拨动端82旋转至一定角度时释放插销装置7的棘爪73，插销装置7在第一弹簧74的作用下又贴附在打钉构件4的第二纵向边缘46。
在第二预设情况下，当打钉构件4返回预备位置时，插销装置7被迫贴附在打钉构件4的第二纵向边缘46上，打钉构件4将插销装置卡位面71向打钉构件4的卡位槽47引导，使打钉构件4保持在第二方向上移动，不会被逆转；当打钉构件的凹槽48移动到与分离装置8的传动端81平齐时，分离装置8的传动端81在第三弹簧83的作用下进入打钉构件4的凹槽48，打钉构件4带动分离装置8旋转，分离装置8的拨动端82接触插销装置7的棘爪73的被推面731，插销装置7的棘爪73将让过分离装置8的拨动端82，使分离装置8的拨动端82到达插销装置7的棘爪被拨面732。
如图3、图4所示，分离装置8可枢转，并且由第三弹簧83加载。分离装置8的传动端81与打钉构件4连动，分离装置8的拨动端82拨动插销装置7的棘爪73。
一种使用气弹簧的电动钉枪，进一步其驱动机构压缩空气储存在储气室3和工作气室13中，压缩空气与打钉活塞41接触并且总是被加压为高于大气压。
如图2所示，一种使用气弹簧的电动钉枪，其驱动机构进一步包括至少一个打钉活塞密封件411，其作用为将大部分加压气体保持于储气室3和工作气室13中。
一种使用气弹簧的电动钉枪，其驱动机构进一步包括至少一个充气活塞密封件241，其作用为将充气室23内的气体提高压力。
一种使用气弹簧的电动钉枪，其驱动机构进一步在储气室3与充气室23之间设置至少一个单向阀26，其作用为将加压气体从充气室23单向压入储气室3中。
一种使用气弹簧的电动钉枪，其驱动机构进一步在储气室3上设置一个压力传感器31，其作用为检测储气室3的压缩空气的压力，适时停止充气以保证工具使用的安全性。
一种使用气弹簧的电动钉枪，其驱动机构进一步在所述储气室上一个泄压阀32，其作用为可排泄储气室3的压缩空气，以保证工具的贮存和运输安全性，以及消除单向构件6的非工作状态的负荷。
如图1所示，一种使用气弹簧的电动钉枪，其驱动机构进一步包括钉匣10，其用于支撑一系列钉子101，以及用于在驱动冲程中，连续的提供钉子101通过导向构件9的开口到达与打钉构件4工作的对应位置。
如图1所示，一种使用气弹簧的电动钉枪，其驱动机构进一步包括电机30通过变速箱 20带动驱动轴53；在第三预设情况下，如图9、11所示，按下换挡杆70使封气塞80堵住封气口27，电机30反转带动充气活塞24进行充气，压缩气体通过单向阀26进入储气室3，通过压力传感器31检测压缩空气的压力，以适时停止充气；在第一预设情况下，如图1、3、4、12所示，按回换挡杆70使封气塞80打开封气口27，同时按下保险杆60再扣下扳机40，电机30正转带动提举装置5进行打钉作业。
实施例二：
如图13所示，一种使用气弹簧的电动钉枪，其驱动机构储气室3a定位至工作气缸1a的一侧。其余与实施例一相同。
实施例三：
如图14、图19所示，一种使用气弹簧的电动钉枪，其驱动机构打钉构件4具有第一纵向边缘44b，第一纵向边缘44b具有数个不连续的槽孔45b，与提举装置5的不连续凸起的齿形51b相配合，其第一纵向边缘44b基本上平行于打钉构件4的运动方向。其余与实施例一相同。
实施例四：
如图15、图17所示，一种使用气弹簧的电动钉枪，其驱动机构打钉构件4具有第一纵向边缘44c，第一纵向边缘44c侧面具有数个不连续的凸起45c，与提举装置5的不连续凸起的齿形51b相配合，其第一纵向边缘44c基本上平行于打钉构件4的运动方向。其余与实施例一相同。
如图15、如图18所示，一种使用气弹簧的电动钉枪，其驱动机构打钉构件4具有第一纵向边缘44c，第一纵向边缘44c侧面具有数个不连续的凸起45c，与提举装置5的圆柱形突伸销51a相配合，其第一纵向边缘44c基本上平行于打钉构件4的运动方向。其余与实施例一相同。
实施例五：
如图16、图20所示，一种使用气弹簧的电动钉枪，其驱动机构提举装置5：其圆周面具有不连续的凸起的齿形51b，在沿着所述不连续凸起的齿形51b的预定位置，与打钉构件4第一边缘44a上的数个间隔的凸起45a接触，提举装置5带动打钉构件4从其打钉位置向预备位置移动。其余与实施例一相同。
如图16、图19所示，一种使用气弹簧的电动钉枪，其驱动机构提举装置5：其圆周面具有不连续的凸起的齿形51b，在沿着所述不连续凸起的齿形51b的预定位置，与打钉构件4第一边缘44b上的数个不连续的槽孔45b接触，提举装置5带动打钉构件4从其打钉位置向预备位置移动；
如图16、图17所示，一种使用气弹簧的电动钉枪，其驱动机构提举装置5：其圆周面具有不连续的凸起的齿形51b，在沿着所述不连续凸起的齿形51b的预定位置，与打钉构件4第一边缘44c侧面上的数个不连续的的凸起45c接触，提举装置5带动打钉构件4从其打钉位置向预备位置移动；
此发明在现有的电动钉枪结构上进行了改进，结构简单新颖，性能可靠，在活塞密封圈磨损时便于更换，打钉速度快，工作效率高，彻底解决了贮存和运输的不安全因素。

Claims (13)

  1. 一种使用气弹簧的电动钉枪，其驱动机构包括工作气缸、充气气缸、储气室、打钉构件、提举装置、单向构件、插销装置、分离装置、导向构件。
    (1)所述工作气缸：其具有第一端和相对的第二端，在两端之间形成工作气室，可供打钉活塞在所述工作气室内移动；
    (2)所述充气气缸：其具有第五端和相对的第六端，在两端之间形成充气室，可供充气活塞在所述充气室内移动，其第五端单向通往所述储气室，靠近第六端具有进气孔；
    (3)所述储气室：与所述工作气缸的工作气室气体连通，单向接收所述充气室的气体；
    (4)所述打钉构件：所述打钉活塞在所述打钉构件的第三端机械连接，包括：
    (i)所述打钉构件包括相对的第四端，其大小和形状设计为从所述导向构件的出口端推动钉子，其中所述导向构件的通道允许所述打钉构件在驱动和返回行程中经过其中，当处于打钉位置时，所述打钉构件在所述打钉活塞向着所述工作气缸的第二端移动的同时，朝着所述导向构件的出口端突出，并且当所述打钉构件返回预备位置时，推动所述打钉活塞朝着所述工作气缸的第一端移动，被收回进入所述导向构件的接收端；
    (ii)所述打钉构件具有第一纵向边缘，第一纵向边缘具有数个间隔凸起不连续的工作面，与所述提举装置的圆柱形突伸销相配合，其第一纵向边缘基本上平行于所述打钉构件的运动方向；
    (iii)所述打钉构件具有第二纵向边缘，第二纵向边缘具有一个与所述插销装置配合的卡位槽，所述的卡位槽对应于提举装置的凸轮的脱空段，其第二纵向边缘基本上平行于所述打钉构件的运动方向；
    (iiii)所述打钉构件靠近第四端具有一个与所述分离装置配合的凹槽，所述凹槽与分离装置连动；
    (5)所述提举装置：是一个凸轮其具有不连续的接触面，所述的凸轮边缘分为提举段和脱空段，提举段上设有若干个圆柱形突伸销，圆柱形突伸销依次插入打钉构件第一纵向边缘的间隔凸起下，提举打钉构件；而脱空段上未设置圆柱形突伸销，为了打钉构件向第一方向移动留出空间；在第二预设情况下，所述凸轮的提举段面向所述的第一纵向边缘，所述圆柱形突伸销与所述打钉构件的至少一个间隔凸起不连续的工作面接触，所述提举装置带动所述打钉构件从其打钉位置向预备位置移动；在第一预设情况下，所述凸轮的脱空段面向所述打钉构件的第一纵向边缘；
    (6)所述单向构件：在第二预设情况下，所述单向构件带动所述提举装置旋转，所述提举装置带动打钉构件向预备位置移动，所述单向构件使所述提举装置保持在预备位置；在第三预设情况下，所述充气活塞在所述充气气缸中往复运动，将空气压缩进入所述储气室，此时所述单向构件的旋转并不带动提举装置运动。
    (7)所述插销装置：其具有卡位面、滑动面和棘爪，其中：
    (i)在第一预设情况下，所述分离装置的拨动端拨动所述插销装置的棘爪使所述插销装置的滑动面进入非接触位置，从而其卡位面不会与所述打钉构件的第二纵向边缘的卡位槽抵触，进而允许所述打钉构件在第一方向从其预备位置向所述导向构件的出口端移动；
    (ii)在第二预设情况下，当所述打钉构件返回预备位置时，所述分离装置释放其所述插销装置，从而所述插销装置被迫紧靠在所述打钉构件的第二纵向边缘上，并允许所述打钉构件的第二纵向边缘沿着插销装置的滑动面移动，并且所述打钉构件将所述插销装置卡位面向所述打钉构件的卡位槽引导，直至所述插销装置卡位面与所述打钉构件的卡位槽抵触，使所述打钉构件保持在第二方向上移动不会逆行；
    (8)所述分离装置：其具有传动端和拨动端；
    (i)在第一预设情况下，所述打钉活塞在所述储气室和所述工作气室中的压缩空气作用下，所述打钉构件在第一方向上从其预备位置向所述导向构件的出口端移动，所述打钉构件的凹槽引导所述分离装置的传动端，所述分离装置的拨动端将所述插销装置与所述打钉构件由贴附状态快速分离，从而所述插销装置卡位面不会与所述打钉构件的第二纵向边缘的卡 位槽抵触，进而允许所述打钉构件在第二方向上从其预备位置向所述导向构件的出口端移动；
    (ii)在第二预设情况下，当所述打钉构件返回预备位置时，所述分离装置释放其所述插销装置，从而所述插销装置被迫贴附在所述打钉构件的第二纵向边缘上；
    (9)所述导向构件：其设置在所述工作气缸的第二端附近，所述导向构件具有接收端、出口端以及接收端和出口端之间的通道，所述接收端接近于所述工作气缸的第二端，所述导向构件被设置为从所述出口端接收钉子。
  2. 如权利要求1所述的使用气弹簧的电动钉枪，其特征在于：所述储气室被配置为以下之一：
    (2a)被定位为基本上包围所述工作气缸的至少一部分；
    (2b)基本上被定位至所述工作气缸的一侧。
  3. 如权利要求1所述的使用气弹簧的电动钉枪，其特征在于：所述打钉构件在第一方向上移动，所述提举装置由驱动轴带动旋转。
  4. 如权利要求1所述的使用气弹簧的电动钉枪，其特征在于：所述插销装置可枢转，并且由弹簧加载；所述插销装置的棘爪可枢转，由弹簧加载；棘爪具有被推面和被拨面；
    (4a)在第一预设情况下，所述打钉构件从其预备位置向导向构件的出口端移动时，所述打钉构件的凹槽引导所述分离装置的传动端贴附打钉构件的第二纵向边缘，所述分离装置的拨动端发生旋转拨动所述插销装置棘爪的被拨面，使所述插销装置从打钉构件的第二纵向边缘快速分离，当所述分离装置的拨动端旋转至一定角度时释放所述插销装置的棘爪，所述插销装置在弹簧力的作用下又贴附在所述打钉构件的第二纵向边缘；
    (4b)在第二预设情况下，当所述打钉构件返回预备位置时，所述插销装置被迫贴附在所述打钉构件的第二纵向边缘上，所述打钉构件将所述插销装置卡位面向所述打钉构件的卡位槽引导，直至所述插销装置卡位面与所述打钉构件的卡位槽抵触，使所述打钉构件保持在第二方向上移动不会逆行；当所述打钉构件的凹槽移动到与所述分离装置的传动端平齐时，所述分离装置的传动端在弹簧力的作用下进入所述打钉构件的凹槽，所述打钉构件带动分离装置旋转，所述分离装置的拨动端接触所述插销装置的棘爪的被推面，所述插销装置的棘爪将让过所述分离装置的拨动端，使所述分离装置的拨动端到达插销装置的棘爪的被拨面。
  5. 如权利要求1所述的使用气弹簧的电动钉枪，其特征在于：所述分离装置可枢转，并且由弹簧加载；所述分离装置的传动端与打钉构件连动，所述分离装置的拨动端拨动所述插销装置的棘爪。
  6. 如权利要求1所述的使用气弹簧的电动钉枪，其特征在于：压缩空气储存在所述储气室和所述工作气室中，压缩空气与所述打钉活塞接触并且总是被加压为高于大气压。
  7. 如权利要求1所述的使用气弹簧的电动钉枪，其特征在于：包括至少一个打钉活塞密封件，其作用为将大部分所述加压气体保持于所述储气室和工作气室中。
  8. 如权利要求1所述的使用气弹簧的电动钉枪，其特征在于：包括至少一个充气活塞密封件，其作用为将所述充气室内的气体提高压力。
  9. 如权利要求1所述的使用气弹簧的电动钉枪，其特征在于：在所述储气室与所述充气室之间设置至少一个单向阀，其作用为将加压气体从所述充气室单向压入所述储气室中。
  10. 如权利要求1所述的使用气弹簧的电动钉枪，其特征在于：在所述储气室上设置一个压力传感器，其作用为检测储气室的压缩空气的压力，适时停止充气以保证工具使用的安全性。
  11. 如权利要求1所述的使用气弹簧的电动钉枪，其特征在于：在所述储气室上设置一个泄压阀，其作用为可排泄所述储气室的压缩空气，以保证工具的贮存和运输安全性，以及消除所述单向构件的非工作状态的负荷。
  12. 如权利要求1所述的使用气弹簧的电动钉枪，其特征在于：包括钉匣，其用于支撑一系列钉子，以及用于在所述驱动冲程中，连续的提供所述钉子通过导向构件的开口到达与所述打钉构件工作的对应位置。
  13. 如权利要求1所述的使用气弹簧的电动钉枪，其特征在于：
    (13a)所述第一预设情况发生在驱动冲程阶段；
    (13b)所述第二预设情况发生在提举间隔阶段；
    (13c)所述第三预设情况发生在充气阶段。
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