CN109590938B - Screwdriver convenient to it is laborsaving - Google Patents

Screwdriver convenient to it is laborsaving Download PDF

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Publication number
CN109590938B
CN109590938B CN201910036627.5A CN201910036627A CN109590938B CN 109590938 B CN109590938 B CN 109590938B CN 201910036627 A CN201910036627 A CN 201910036627A CN 109590938 B CN109590938 B CN 109590938B
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CN
China
Prior art keywords
screwdriver
supporting
block
supporting rod
rod
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Application number
CN201910036627.5A
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Chinese (zh)
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CN109590938A (en
Inventor
吕若飞
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Xinchang Weisi Machinery Co.,Ltd.
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Xinchang Weisi Machinery Co ltd
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Priority to CN201910036627.5A priority Critical patent/CN109590938B/en
Publication of CN109590938A publication Critical patent/CN109590938A/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
    • B25B17/00Hand-driven gear-operated wrenches or 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

Abstract

The invention discloses a screwdriver convenient for saving labor, which comprises an outer pipe body and a connecting shaft, wherein the upper end of the outer pipe body is connected with a supporting block, an outer gear is arranged in the outer pipe body, the outer gear is connected with a supporting rod through a linkage gear, the linkage gear is connected to the supporting rod in a key mode, the upper end of the supporting rod is connected to the lower end of the supporting block, the lower end of the supporting rod extends out of the lower end of the outer pipe body, the side edge of the supporting rod is connected with a force application rod through a reset rotating shaft, the reset rotating shaft and the force application rod are arranged below the outer pipe body, the lower end of the supporting rod is connected with a connecting block. This screwdriver convenient to it is laborsaving, the light laborsaving use of staff of can being convenient for, and when having avoided using conventional screwdriver, the problem of thick callus falls on the palm to this screwdriver can be applicable to the screw of different specifications, thereby can avoid when using different model screws, need change the problem of different model screwdrivers.

Description

Screwdriver convenient to it is laborsaving
Technical Field
The invention relates to the technical field of hardware component machinery, in particular to a screwdriver convenient for saving labor.
Background
The screwdriver is a common hardware and has a screw tightening or loosening function, and has two shapes of a straight shape and a cross shape, which correspond to two notches of the straight shape and the cross shape on the upper surface of the screw respectively.
However, the existing screwdriver has the following problems in the using process:
1) when the existing screwdriver is used, the screwdriver needs to be pressed and rotated while being pressed, so that a worker needs to consume large strength when screwing or unscrewing the screwdriver, and the screwdriver is inconvenient for the worker to use in a labor-saving manner;
2) when the existing screwdriver is used, the palm and the top of the screwdriver are prevented from rotating relatively through friction force between the palm and the top of the screwdriver, so that the rotation of the palm is convenient to drive the screwdriver to rotate, and thick calluses are generated on the palm of a worker who often uses the screwdriver;
3) when the screwdriver is used for screws of different models, the screwdriver of different models needs to be replaced according to the models of the screws, and then the working personnel need to carry the screwdrivers of different models, so that the screwdriver is inconvenient to use by the working personnel.
Disclosure of Invention
The invention aims to provide a screwdriver convenient for saving labor, and aims to solve the problems that the existing screwdriver is inconvenient to use in a labor-saving manner, thick calluses can be generated on the palm of a worker, and the screwdriver is inconvenient to adapt to screws of different models in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a screwdriver convenient for labor saving comprises an outer tube body and a connecting shaft, wherein the upper end of the outer tube body is connected with a supporting block, an outer gear is arranged inside the outer tube body, the outer gear is connected with a supporting rod through a linkage gear, the linkage gear is connected on the supporting rod in a key manner, the upper end of the supporting rod is connected with the lower end of the supporting block, the lower end of the supporting rod extends out of the lower end of the outer tube body, the side edge of the supporting rod is connected with a force application rod through a reset rotating shaft, the reset rotating shaft and the force application rod are both arranged below the outer tube body, the lower end of the supporting rod is connected with a connecting block, a fixing ring and a movable ring are connected on the connecting block, the fixing ring and the movable ring are connected through a compression spring, the compression spring is nested outside the connecting block, an upper supporting piece and a, and the rotating shafts at the outer ends of the upper supporting sheet and the lower supporting sheet are respectively connected to the movable ring and the fixed ring.
Preferably, the inner side of the outer pipe body and the outer side of the outer gear are integrally arranged, and the outer pipe body is connected with the supporting block and the supporting rod in a bearing connection mode.
Preferably, the supporting block is in an I-shaped structural shape, the lower end of the supporting block penetrates through the upper surface of the outer tube body, and the lower end of the supporting block is connected with the upper end of the supporting rod in a bearing connection mode.
Preferably, the lower surface of the supporting rod is provided with a groove, the groove and the cross section of the connecting block are rectangular in structural shape, and the groove is connected with the connecting block in a clamping connection mode.
Preferably, a welding integrated structure is arranged between the connecting block and the fixing ring, the fixing ring is arranged at the lower end of the movable ring, and the movable ring is connected with the connecting block in a nesting mode.
Preferably, the fixed ring and the movable ring are respectively welded and fixed at two ends of the compression spring, and the outer length of the movable ring is larger than the inner length of the groove on the lower surface of the support rod.
Preferably, the upper supporting plates and the lower supporting plates are symmetrically arranged relative to the axis of the connecting block, and the upper supporting plates and the lower supporting plates are obliquely arranged with each other.
Preferably, the external gear is connected with the linkage gear in a meshing connection mode, the axes of the external gear and the linkage gear are not collinear, and the axis of the linkage gear is collinear with the axis of the supporting rod.
Compared with the prior art, the invention has the beneficial effects that: the screwdriver convenient for labor saving can be used easily and labor saving by workers, the problem that thick cocoons fall down on palms when a conventional screwdriver is used is avoided, and the screwdriver can be suitable for screws with different specifications, so that the problem that the screwdrivers with different models need to be replaced when the screwdrivers with different models are used can be solved;
1. the screwdriver is characterized in that the external gear and the linkage gear are arranged and are connected in an inner meshed mode, so that the linkage gear can synchronously rotate only by easily rotating the external gear, and the supporting rod connected to the linkage gear has large rotating force, so that the screwdriver can be easily and labor-saving used by workers;
2. the supporting block and the outer tube body are arranged, so that when the screwdriver is used, the palm of a worker does not need to rotate along with the rotation of the screwdriver, and further, the problem that when a conventional screwdriver is used, the palm and the top of the screwdriver need to be prevented from rotating relatively by means of friction force, and therefore thick calluses can be prevented from being generated at the palm of the worker;
3. compression spring, solid fixed ring, connecting block, movable ring, connecting axle, last support piece, lower backing sheet. The design of the rotating shaft and the supporting rod can change the distance between the connecting shafts when the screwdriver is pressed by pressing the supporting block until the connecting shafts abut against the notches of the upper surface of the screws, so that the screwdriver can be suitable for screws of different models, and the problem that the screwdrivers of different models need to be replaced when the screwdriver is used for the screws of different models is solved;
4. the arrangement of the reset rotating shaft and the force application rod can assist the rotation of the supporting rod, and further, the screwdriver can be conveniently used by a worker.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of point A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the connection structure of the support rod and the connecting block according to the present invention;
FIG. 4 is a schematic view of the connection structure of the outer tube and the support rod according to the present invention;
fig. 5 is a schematic view of a connection structure of a support rod and an external gear according to the present invention.
In the figure: 1. an outer tubular body; 2. a support block; 3. a support bar; 4. resetting the rotating shaft; 5. a force application rod; 6. connecting blocks; 7. a fixing ring; 8. a connecting shaft; 9. an upper support sheet; 10. a lower support sheet; 11. a rotating shaft; 12. a movable ring; 13. a compression spring; 14. an outer gear; 15. a linkage gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a screwdriver convenient for saving labor comprises an outer tube body 1 and a connecting shaft 8, wherein the upper end of the outer tube body 1 is connected with a supporting block 2, an outer gear 14 is arranged inside the outer tube body 1, the outer gear 14 is connected with a supporting rod 3 through a linkage gear 15, the linkage gear 15 is connected to the supporting rod 3 in a key mode, the upper end of the supporting rod 3 is connected to the lower end of the supporting block 2, the lower end of the supporting rod 3 extends out of the lower end of the outer tube body 1, the side edge of the supporting rod 3 is connected with a force application rod 5 through a reset rotating shaft 4, the reset rotating shaft 4 and the force application rod 5 are arranged below the outer tube body 1, the lower end of the supporting rod 3 is connected with a connecting block 6, a fixing ring 7 and a movable ring 12 are connected onto the connecting block 6, the fixing ring 7 and the movable ring 12 are connected through a compression spring 13, the compression, and the outer ends of the upper supporting sheet 9 and the lower supporting sheet 10 are both connected with a rotating shaft 11, and the rotating shafts 11 at the outer ends of the upper supporting sheet 9 and the lower supporting sheet 10 are respectively connected on the movable ring 12 and the fixed ring 7.
The inboard of outer body 1 and the outside integral structure setting of external gear 14, and outer body 1 adopts the mode that the bearing is connected to be connected with supporting shoe 2 and bracing piece 3, can be convenient for through the rotation of outer body 1, drive external gear 14 and rotate, and can be convenient for the stable rotation of outer body 1.
The structural shape of supporting shoe 2 is "worker" font, and the lower extreme of supporting shoe 2 runs through the upper surface of outer body 1 to the lower extreme of supporting shoe 2 adopts the mode that the bearing is connected to be connected with the upper end of bracing piece 3, can be convenient for the stable rotation of bracing piece 3.
The lower surface of bracing piece 3 is provided with the recess, and this recess is the rectangle with the structural shape of connecting block 6 cross section to this recess adopts the mode that the block is connected to be connected with connecting block 6, and the rotation that can be convenient for bracing piece 3 drives connecting block 6 synchronous rotation.
For welding integral structure between connecting block 6 and solid fixed ring 7, and solid fixed ring 7 is in the lower extreme of activity ring 12 to activity ring 12 adopts nested mode to be connected with connecting block 6, can be convenient for increase the connection stability between connecting block 6 and solid fixed ring 7, and can be convenient for activity ring 12 reciprocates in the outside of connecting block 6.
The fixed ring 7 and the movable ring 12 are respectively welded and fixed at two ends of the compression spring 13, the outer edge length of the movable ring 12 is larger than the inner edge length of the groove on the lower surface of the support rod 3, so that the compression spring 13 can be conveniently passed through, the distance between the 2 connecting shafts 8 is kept to be minimum, and the movable ring 12 is convenient to move downwards in the pushing process of the support rod 3, so that the screwdriver is suitable for screws of different models.
The upper supporting pieces 9 and the lower supporting pieces 10 are symmetrically arranged relative to the axis of the connecting block 6, and the upper supporting pieces 9 and the lower supporting pieces 10 are obliquely arranged, so that the upper supporting pieces 9 and the lower supporting pieces 10 can be stably clamped into the slotted holes in the upper surface of the screws, and the screws can be loosened or tightened conveniently.
The external gear 14 is connected with the linkage gear 15 in a meshing connection mode, the axes of the external gear 14 and the linkage gear 15 are not collinear, and the axis of the linkage gear 15 and the axis of the supporting rod 3 are collinear, so that the external pipe body 1 can be easily rotated, the supporting rod 3 connected to the linkage gear 15 can rotate together, and the supporting rod 3 can have large rotating force.
The working principle is as follows: firstly, the screwdriver which is convenient to save labor is carried to a position which needs to be used, the screwdriver is held from the upper end of the screwdriver, so that a palm abuts against the upper surface of the supporting block 2, then the lower end of the connecting block 6 abuts against the central position of the upper surface of a screw which needs to be screwed or loosened, and the support block 2 is pressed by the palm to press the screwdriver;
in the process that the palm presses the supporting block 2, the supporting rod 3 gradually presses the movable ring 12, so that the movable ring 12 moves downwards outside the connecting block 6, in the process that the movable ring 12 moves, the compression spring 13 is compressed, and meanwhile, under the action of the connecting shaft 8 and the rotating shaft 11, the included angle between the upper supporting sheet 9 and the lower supporting sheet 10 is gradually reduced (the included angle is an angle taking the connecting shaft 8 as an intersection point), so that the distance between the 2 connecting shafts 8 is gradually increased until the 2 connecting shafts 8 are all abutted against a straight line on the upper surface of the screwdriver;
then, the outer tube body 1 is rotated by using five fingers, when the outer tube body 1 rotates, the external gear 14 on the inner side of the outer tube body easily drives the linkage gear 15 connected with the upper key of the support rod 3 to synchronously rotate (the external gear 14 and the linkage gear 15 are of an inner meshing structure, so that the support rod 3 can be conveniently rotated in a labor-saving manner), so that the support rod 3 is driven to synchronously rotate, and further the support rod 3 drives the connecting block 6 to synchronously rotate (the cross sections of the groove on the lower surface of the support rod 3 and the connecting block 6 are both rectangular), so that the screw is easily unscrewed or screwed;
when the screw is loosened or tightened, the force application rod 5 can be rotated through the reset rotating shaft 4, the force application rod 5 is held by the other hand, and the rotation of the support rod 3 is assisted, so that the practicability of the screwdriver is improved;
meanwhile, the movable ring 12 of the screwdriver can be further connected with 4 sets of connecting shafts 8, upper supporting pieces 9, lower supporting pieces 10 and rotating shafts 11 so as to be convenient for use when the upper surface of the screwdriver is a cross-shaped opening, and the content which is not described in detail in the specification belongs to the prior art which is well known by the technicians in the field.
It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a screwdriver convenient to it is laborsaving, includes outer body (1) and connecting axle (8), its characterized in that: the upper end of the outer tube body (1) is connected with a supporting block (2), an outer gear (14) is arranged inside the outer tube body (1), the outer gear (14) is connected with a supporting rod (3) through a linkage gear (15), the linkage gear (15) is connected to the supporting rod (3) in a key mode, the upper end of the supporting rod (3) is connected to the lower end of the supporting block (2), the lower end of the supporting rod (3) extends out of the lower end of the outer tube body (1), the side edge of the supporting rod (3) is connected with a force application rod (5) through a reset rotating shaft (4), the reset rotating shaft (4) and the force application rod (5) are both arranged below the outer tube body (1), the lower end of the supporting rod (3) is connected with a connecting block (6), a fixing ring (7) and a movable ring (12) are connected to the connecting block (6), and the fixing ring (7) and the movable ring (12) are, the compression spring (13) is nested outside the connecting block (6), the connecting shaft (8) is connected with an upper supporting sheet (9) and a lower supporting sheet (10), the outer ends of the upper supporting sheet (9) and the lower supporting sheet (10) are connected with a rotating shaft (11), and the rotating shafts (11) at the outer ends of the upper supporting sheet (9) and the lower supporting sheet (10) are respectively connected to the movable ring (12) and the fixed ring (7);
the inner side of the outer pipe body (1) and the outer side of the outer gear (14) are integrally arranged, and the outer pipe body (1) is connected with the supporting block (2) and the supporting rod (3) in a bearing connection mode.
2. The screwdriver as claimed in claim 1, wherein the screwdriver comprises: the structure shape of supporting shoe (2) is "worker" font, and the upper surface of outer body (1) is run through to the lower extreme of supporting shoe (2) adopts the mode of bearing connection to be connected with the upper end of bracing piece (3).
3. The screwdriver as claimed in claim 1, wherein the screwdriver comprises: the lower surface of the supporting rod (3) is provided with a groove, the groove and the cross section of the connecting block (6) are rectangular in structural shape, and the groove is connected with the connecting block (6) in a clamping connection mode.
4. The screwdriver as claimed in claim 1, wherein the screwdriver comprises: the connecting block (6) and the fixing ring (7) are of a welding integrated structure, the fixing ring (7) is located at the lower end of the movable ring (12), and the movable ring (12) is connected with the connecting block (6) in a nesting mode.
5. The screwdriver as claimed in claim 1, wherein the screwdriver comprises: and the fixing ring (7) and the movable ring (12) are respectively welded and fixed at two ends of the compression spring (13), and the outer edge length of the movable ring (12) is greater than the inner edge length of the lower surface groove of the support rod (3).
6. The screwdriver as claimed in claim 1, wherein the screwdriver comprises: go up between the backing sheet (9) and all set up about the axis symmetry of connecting block (6) between the backing sheet (10) down to go up backing sheet (9) and the setting of backing sheet (10) slope each other.
7. The screwdriver as claimed in claim 1, wherein the screwdriver comprises: the external gear (14) is connected with the linkage gear (15) in a meshing connection mode, the axes of the external gear (14) and the linkage gear (15) are not collinear, and the axis of the linkage gear (15) is collinear with the axis of the supporting rod (3).
CN201910036627.5A 2019-01-15 2019-01-15 Screwdriver convenient to it is laborsaving Active CN109590938B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910036627.5A CN109590938B (en) 2019-01-15 2019-01-15 Screwdriver convenient to it is laborsaving

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910036627.5A CN109590938B (en) 2019-01-15 2019-01-15 Screwdriver convenient to it is laborsaving

Publications (2)

Publication Number Publication Date
CN109590938A CN109590938A (en) 2019-04-09
CN109590938B true CN109590938B (en) 2020-09-18

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ID=65965210

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Application Number Title Priority Date Filing Date
CN201910036627.5A Active CN109590938B (en) 2019-01-15 2019-01-15 Screwdriver convenient to it is laborsaving

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100641898B1 (en) * 2005-08-11 2006-11-02 김종필 Driver
CN202114674U (en) * 2011-06-13 2012-01-18 陶柱 Semiautomatic screwdriver
CN202572247U (en) * 2012-03-23 2012-12-05 上海市宝山区罗店中心校 Labor-saving screw driver
CN202742290U (en) * 2012-04-07 2013-02-20 刘鹤朋 Fast rotating screwdriver
CN203495838U (en) * 2013-10-12 2014-03-26 苏州市吴中区曙光铜管厂 Bottle opener
CN206795695U (en) * 2017-05-11 2017-12-26 卜亚军 Hand planetary gear speed-changing screwdriver
CN206839969U (en) * 2017-06-07 2018-01-05 兰聘文 A kind of hand-rail type screwdriver

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100641898B1 (en) * 2005-08-11 2006-11-02 김종필 Driver
CN202114674U (en) * 2011-06-13 2012-01-18 陶柱 Semiautomatic screwdriver
CN202572247U (en) * 2012-03-23 2012-12-05 上海市宝山区罗店中心校 Labor-saving screw driver
CN202742290U (en) * 2012-04-07 2013-02-20 刘鹤朋 Fast rotating screwdriver
CN203495838U (en) * 2013-10-12 2014-03-26 苏州市吴中区曙光铜管厂 Bottle opener
CN206795695U (en) * 2017-05-11 2017-12-26 卜亚军 Hand planetary gear speed-changing screwdriver
CN206839969U (en) * 2017-06-07 2018-01-05 兰聘文 A kind of hand-rail type screwdriver

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Effective date of registration: 20200821

Address after: 312500 No.61 Yanbei village, Dongming Township, Xinchang County, Shaoxing City, Zhejiang Province

Applicant after: Xinchang Weisi Machinery Co.,Ltd.

Address before: 235300 East Group of Jindun Village, Chengguan Town, Shucheng County, Luan City, Anhui Province

Applicant before: Lv Ruofei

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