CN109531488B - Hand-held type screw machine - Google Patents

Hand-held type screw machine Download PDF

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Publication number
CN109531488B
CN109531488B CN201811425659.6A CN201811425659A CN109531488B CN 109531488 B CN109531488 B CN 109531488B CN 201811425659 A CN201811425659 A CN 201811425659A CN 109531488 B CN109531488 B CN 109531488B
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CN
China
Prior art keywords
sleeve
pipe
nozzle
guide
electricity
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CN201811425659.6A
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Chinese (zh)
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CN109531488A (en
Inventor
周继东
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周继东
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Priority to CN201811425659.6A priority Critical patent/CN109531488B/en
Publication of CN109531488A publication Critical patent/CN109531488A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/02Arrangements for handling screws or nuts
    • B25B23/04Arrangements for handling screws or nuts for feeding screws or nuts

Abstract

The invention relates to the technical field of screw installation, in particular to a handheld screw machine, which comprises: the locking assembly is arranged at one end, located at a drill bit, of the screwdriver bit, the gripper body is arranged at one end, away from the screwdriver bit, of the locking assembly, an annular groove is formed in the gripper body, a drilling hole and a material guiding hole are formed in the central axis of the gripper body from top to bottom respectively, the material guiding assembly is used for guiding a screw into the gripper body to be matched with the drill bit, a connecting piece is arranged at the joint of the gripper body and the material guiding assembly, the outer sleeve is sleeved outside the inner sleeve, the outer sleeve and the inner sleeve are respectively provided with annular bulges, the spring is arranged between the two annular bulges, the inner sleeve is provided with a plurality of clamping grooves, the diameters of the clamping grooves are smaller than those of the balls, the balls are arranged at positions, located at the clamping grooves, between the outer sleeve and the inner sleeve, the inner wall of the outer sleeve is provided with backspacing grooves, the guide nozzle is fixedly.

Description

Hand-held type screw machine
Technical Field
The invention relates to the technical field of screw installation, in particular to a handheld screw machine.
Background
The screw machine is a small machine for automatically locking screws, but the screws of the existing screw machine are easy to be clamped in the clamping nozzle main body, so that the screw machine cannot be installed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problem that screws are easy to be clamped in a clamping nozzle main body, the invention provides a handheld screw machine, the screws are guided into a guide hole in the clamping nozzle main body through a guide assembly, the screws are locked by pressing down a screwdriver into a drill hole through a locking assembly, when the screws in the guide assembly are clamped in the guide hole when being guided into the clamping nozzle main body, an outer sleeve is pressed downwards to enable the outer sleeve to compress a spring, balls in a clamping groove can roll outwards in a backspacing groove, a connecting piece can be detached from the clamping nozzle main body and then the screws clamped in the guide hole are cleaned, when the handheld screw machine is installed, only the outer sleeve is pressed upwards to enable the outer sleeve to compress the spring, after the balls in the clamping groove are clamped in an annular groove, the outer sleeve is released, the spring rebounds to enable the inner wall of the outer sleeve to prop against the balls to enable the balls to be clamped in the annular groove to complete assembly, and the design structure, the guide nozzle is convenient to mount and dismount, and convenience is provided for maintenance after clamping stagnation of the screw.
The technical scheme adopted by the invention for solving the technical problems is as follows: a hand-held screw machine comprising:
an electric screwdriver, wherein the electric screwdriver is provided with a drill bit,
the locking assembly is arranged at one end of the screwdriver, which is positioned at the drill bit,
the clamping mouth comprises a clamping mouth main body, the clamping mouth main body is arranged at one end of a locking assembly far away from an electric screwdriver, the locking assembly is used for locking a screw through pressing the electric screwdriver downwards, an annular groove is formed in the clamping mouth main body, a drilling hole and a material guide hole are respectively formed in the central axis of the clamping mouth main body from top to bottom,
a material guiding component, which is used for guiding the screw into the clamping mouth main body to be matched with the drill bit,
the connecting piece of setting in the junction of double-layered mouth main part and guide subassembly, the connecting piece includes: the spring is arranged between the two annular bulges, the inner sleeve is provided with a plurality of clamping grooves, the diameter of each clamping groove is smaller than that of each ball, the balls are arranged at the positions, located in the clamping grooves, between the outer sleeve and the inner sleeve, the inner wall of the outer sleeve is provided with a backspacing groove,
the guide nozzle is fixedly connected with the inner sleeve and communicated with the material guide hole.
Specifically, the number of the clamping grooves and the number of the balls are 3-7.
Preferably, one end of the outer sleeve close to the guide nozzle is provided with a pressing part.
Preferably, the outer sleeve is provided with a buckling part at one end far away from the guide nozzle.
Specifically, the lock payment assembly comprises: the utility model discloses a clamp mouth sleeve pipe, electricity criticize the adapter sleeve, the adapter sleeve is criticized to clamp mouth sleeve pipe, electricity, the adapter sleeve cover of criticizing connects the lantern ring and the electricity, the clamp mouth sleeve pipe lock joint in the upper end of the outer wall of clamp mouth main part, the electricity is criticized the adapter sleeve cover and is established at clamp mouth sheathed tube outer wall, the electricity is criticized the adapter sleeve cover and is established outside the electricity and criticize just the electricity is criticized the.
Specifically, the guide assembly includes: the feeding device comprises a feeding pipe and a material guiding pipe, wherein one end of the material guiding pipe is connected with the feeding pipe, and the other end of the material guiding pipe extends into the clamping nozzle main body and is communicated with a material guiding hole.
The invention has the beneficial effects that:
the invention provides a hand-held screw machine, which guides screws into a material guide hole in a clamping nozzle main body through a material guide assembly, presses down a screwdriver into a drill hole through a locking assembly to lock the screws, when the screw in the material guiding component is clamped in the material guiding hole when being guided into the clamping mouth main body, the outer sleeve is pressed downwards to compress the spring, the ball in the clamping groove can roll outwards in the backspacing groove, so that the connecting piece can be detached from the clamping nozzle main body and then the screws clamped in the material guide holes are cleaned, only the outer sleeve is required to be pressed upwards to enable the outer sleeve to compress the spring, after the ball in the clamping groove is clamped into the annular groove, the outer sleeve is loosened, the spring rebounds to enable the inner wall of the outer sleeve to prop the ball so that the ball is clamped in the annular groove to complete assembly, the design structure is simple, the guide nozzle is convenient to mount and dismount, and convenience is provided for maintenance after screw clamping stagnation.
The invention provides a handheld screw machine, in order to further facilitate the installation and the disassembly, one end of an outer sleeve close to a guide nozzle is provided with a pressing part, only the pressing part needs to be pressed when the outer sleeve is pressed, and the pressing part can be provided with an anti-slip strip for increasing friction force so as to further facilitate the pressing of the outer sleeve.
The invention provides a handheld screw machine, which aims to further ensure the connection stability of a connecting piece and a clamping nozzle main body.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic cross-sectional view of a hand-held screwdriver of the present invention;
FIG. 2 is a schematic view of a portion of the connector;
FIG. 3 is a schematic structural view of a locking assembly;
in the figure: 11. the electric screwdriver comprises an electric screwdriver body, a drill bit, a locking assembly, a clamping nozzle sleeve 21, an electric screwdriver connecting sleeve 22, an electric screwdriver connecting ring 23, an electric screwdriver connecting pipe 3, a clamping nozzle main body 31, an annular groove 32, a drilling hole 33, a material guiding hole 4, a connecting piece 4, an outer sleeve 41, an inner sleeve 42, an inner sleeve 43, a spring 44, a ball 45, an annular protrusion 46, a clamping groove 47, a backset 48, a pressing part 49, a buckling part 5, a guide nozzle 61, a feeding pipe 62 and a material guiding pipe 62.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The invention provides a hand-held screw machine, comprising:
the electric screwdriver 11, the electric screwdriver 11 is provided with a drill bit 12,
a locking assembly 2, the locking assembly 2 is arranged at one end of the electric screwdriver 11 positioned at the drill bit 12,
the clamping mouth comprises a clamping mouth main body 3, the clamping mouth main body 3 is arranged at one end of the locking assembly 2 far away from the electric screwdriver 11, the locking assembly 2 is used for locking a screw by pressing the electric screwdriver 11 downwards, an annular groove 31 is arranged on the clamping mouth main body 3, a drilling hole 32 and a material guide hole 33 are respectively arranged on the central axis of the clamping mouth main body 3 from top to bottom,
a material guiding component, which is used for guiding the screw into the clamping mouth main body 3 to be matched with the drill bit 12,
the connecting piece 4 of setting in the junction of double-layered mouth main part 3 and guide subassembly, connecting piece 4 includes: the outer sleeve 41 is sleeved outside the inner sleeve 42, the outer sleeve 41 and the inner sleeve 42 are respectively provided with an annular bulge 45, the spring 43 is arranged between the two annular bulges 45, the inner sleeve 42 is provided with a plurality of clamping grooves 46, the diameters of the clamping grooves 46 are smaller than those of the balls 44, the balls 44 are arranged between the outer sleeve 41 and the inner sleeve 42 and positioned at the positions of the clamping grooves 46, the inner wall of the outer sleeve 41 is provided with a backspacing groove 47 for the balls 44 to roll in,
the guide nozzle 5, the guide nozzle 5 and the inner sleeve 42 are fixedly connected, and the guide nozzle 5 is communicated with the material guide hole 33.
When the screw feeding device is used, a screw is guided into the material guiding hole 33 in the clamping nozzle body 3 through the material guiding assembly, the screw is locked by pressing the piezoelectric nut 11 into the drill hole 32 through the locking assembly 2, when the screw in the material guiding assembly is guided into the clamping nozzle body 3 and clamped in the material guiding hole 33, the outer sleeve 41 is pressed downwards to enable the outer sleeve 41 to compress the spring 43, the ball 44 in the clamping groove 46 can roll outwards in the backspacing groove 47, so that the connecting piece 4 can be detached from the clamping nozzle body 3 and then the screw clamped in the material guiding hole 33 is cleaned, when the screw feeding device is installed, only the outer sleeve 41 needs to be pressed upwards to enable the outer sleeve 41 to compress the spring 43, after the ball 44 in the clamping groove 46 is clamped in the annular groove 31, the outer sleeve 41 is loosened, the spring 43 rebounds to enable the inner wall of the outer sleeve 41 to abut against the ball 44 to enable the ball 44 to be clamped in the annular groove 31 to, the installation and the dismantlement of leading mouth 5 are convenient for, and the maintenance provides convenience after the screw card stagnates.
Specifically, the number of the catching grooves 46 and the balls 44 is preferably 4.
In one embodiment, to further facilitate the installation and the removal, one end of the outer sleeve 41 near the nozzle 5 is provided with a pressing portion 48, only the pressing portion 48 needs to be pressed when the outer sleeve 41 is pressed, and the pressing portion 48 may be provided with a slip-preventing strip for increasing friction force, so as to further facilitate the pressing of the outer sleeve 41.
In a specific embodiment, in order to further ensure the connection stability of the connecting piece 4 and the nozzle body 3, the end of the outer sleeve 41 away from the guide nozzle 5 is provided with a buckling part 49, and after the connecting piece 4 is installed, the outer sleeve can be buckled on the outer wall of the clamping body through the buckling part 49, so that the situation that the connecting piece 4 falls off due to the rolling of the balls 44 out of the annular groove 31 is avoided.
Specifically, the lock payment assembly 2 includes: the utility model provides a drilling tool, including gripper sleeve 21, the connection lantern ring 22 is criticized to electricity and the connecting pipe 23 is criticized to electricity, gripper sleeve 21 lock joint in the upper end of the outer wall of gripper main part 3, the outer wall at gripper sleeve 21 is established to the connection lantern ring 22 cover is criticized to electricity, the connecting pipe 23 cover is criticized to electricity and is established outside the electricity and criticize the connecting pipe 23 and peg graft in the connection lantern ring 22 is criticized to electricity, thereby make gripper sleeve 21 drive gripper main part 3 slide in the connecting pipe 23 is criticized to electricity through pressing down the electricity and criticize 11 and can enter into drilling hole 32.
Specifically, the guide subassembly includes: a feeding pipe 61 and a material guiding pipe 62, wherein one end of the material guiding pipe 62 is connected with the feeding pipe 61, and the other end of the material guiding pipe 62 extends into the nozzle body 3 and is communicated with the material guiding hole 33.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (6)

1. A hand-held screw machine, comprising:
an electric screwdriver (11), the electric screwdriver (11) being provided with a drill bit (12),
the locking assembly (2) is arranged at one end of the electric screwdriver (11) positioned at the drill bit (12), the locking assembly (2) is used for locking a screw by pressing the electric screwdriver (11) down,
the nozzle body (3) is arranged at one end, far away from the electric screwdriver (11), of the locking assembly (2), the nozzle body (3) is provided with an annular groove (31), the central axis of the nozzle body (3) is respectively provided with a drilling hole (32) and a material guide hole (33) from top to bottom,
a material guiding component, which is used for guiding the screw into the clamping mouth main body (3) to be matched with the drill bit (12),
the connecting piece (4) of setting in the junction of double-layered mouth main part (3) and guide subassembly, connecting piece (4) include: the outer sleeve (41) is sleeved outside the inner sleeve (42), the outer sleeve (41) and the inner sleeve (42) are respectively provided with an annular bulge (45), the spring (43) is arranged between the two annular bulges (45), the inner sleeve (42) is provided with a plurality of clamping grooves (46), the diameter of each clamping groove (46) is smaller than that of the ball (44), the ball (44) is arranged at the position between the outer sleeve (41) and the inner sleeve (42) and located in each clamping groove (46), the inner wall of the outer sleeve (41) is provided with a backspacing groove (47),
the guide nozzle (5), the guide nozzle (5) is fixedly connected with the inner sleeve (42), and the guide nozzle (5) is communicated with the material guide hole (33).
2. The hand-held screw machine as claimed in claim 1, characterized in that the number of snap-in grooves (46) and balls (44) is 3-7 each.
3. A hand-held screw machine according to claim 1, characterised in that the outer sleeve (41) is provided with a pressing portion (48) at the end near the guide mouth (5).
4. A hand-held screw machine according to claim 1, characterised in that the outer sleeve (41) is provided with a snap-in portion (49) at the end remote from the guide mouth (5).
5. A hand-held screw machine according to claim 1, characterised in that said locking assembly (2) comprises: press from both sides mouth sleeve pipe (21), the electricity is criticized and is connected lantern ring (22) and electricity and criticize connecting pipe (23), press from both sides mouth sleeve pipe (21) lock joint in the upper end of the outer wall of pressing from both sides mouth main part (3), the electricity is criticized and is connected lantern ring (22) cover and establish the outer wall at press from both sides mouth sleeve pipe (21), the electricity is criticized connecting pipe (23) cover and is established just outside the electricity is criticized (11) electricity is criticized connecting pipe (23) and is pegged graft in the electricity is criticized and is connected lantern.
6. The hand-held screwdriver as recited in claim 1, wherein said material guiding assembly comprises: the feeding device comprises a feeding pipe (61) and a feeding pipe (62), wherein one end of the feeding pipe (62) is connected with the feeding pipe (61), and the other end of the feeding pipe (62) extends into the nozzle body (3) and is communicated with the feeding hole (33).
CN201811425659.6A 2018-11-27 2018-11-27 Hand-held type screw machine Active CN109531488B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811425659.6A CN109531488B (en) 2018-11-27 2018-11-27 Hand-held type screw machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811425659.6A CN109531488B (en) 2018-11-27 2018-11-27 Hand-held type screw machine

Publications (2)

Publication Number Publication Date
CN109531488A CN109531488A (en) 2019-03-29
CN109531488B true CN109531488B (en) 2020-12-18

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ID=65851397

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811425659.6A Active CN109531488B (en) 2018-11-27 2018-11-27 Hand-held type screw machine

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CN (1) CN109531488B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110682244A (en) * 2019-10-14 2020-01-14 无锡辰浩装饰工程有限公司 Electric screw driver with automatic feeding function

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS525100A (en) * 1975-06-30 1977-01-14 Daito Kikai Kk Driver unit with exchangeable mouth piece
JPH11188538A (en) * 1997-12-26 1999-07-13 Nitto Seiko Co Ltd Automatic part fastening device
CN201596894U (en) * 2010-01-19 2010-10-06 吴江市博众精工科技有限公司 Screwing machine
CN104625714A (en) * 2015-03-04 2015-05-20 安徽江淮汽车股份有限公司 Automatic bolt tightening machine and sleeve coupling subassembly thereof
CN207858717U (en) * 2017-12-30 2018-09-14 东莞市旭特机器人股份有限公司 A kind of hand-held automatic tapping machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS525100A (en) * 1975-06-30 1977-01-14 Daito Kikai Kk Driver unit with exchangeable mouth piece
JPH11188538A (en) * 1997-12-26 1999-07-13 Nitto Seiko Co Ltd Automatic part fastening device
CN201596894U (en) * 2010-01-19 2010-10-06 吴江市博众精工科技有限公司 Screwing machine
CN104625714A (en) * 2015-03-04 2015-05-20 安徽江淮汽车股份有限公司 Automatic bolt tightening machine and sleeve coupling subassembly thereof
CN207858717U (en) * 2017-12-30 2018-09-14 东莞市旭特机器人股份有限公司 A kind of hand-held automatic tapping machine

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