CN112727886A - Convenient to use's self-tapping screw for woodwork - Google Patents

Convenient to use's self-tapping screw for woodwork Download PDF

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Publication number
CN112727886A
CN112727886A CN202011547055.6A CN202011547055A CN112727886A CN 112727886 A CN112727886 A CN 112727886A CN 202011547055 A CN202011547055 A CN 202011547055A CN 112727886 A CN112727886 A CN 112727886A
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CN
China
Prior art keywords
cap body
rear end
convenient
shaped hole
screw
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Granted
Application number
CN202011547055.6A
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Chinese (zh)
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CN112727886B (en
Inventor
李勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Tianyuan Metal Products Co ltd
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Zhejiang Tianyuan Metal Products Co ltd
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Priority to CN202011547055.6A priority Critical patent/CN112727886B/en
Publication of CN112727886A publication Critical patent/CN112727886A/en
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Publication of CN112727886B publication Critical patent/CN112727886B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/282Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B41/00Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
    • F16B41/005Measures against unauthorised operation of bolts, nuts or pins

Abstract

The invention discloses a convenient-to-use self-tapping screw for a wood product, which comprises a screw rod, an anti-theft screw head and a stabilizing mechanism, wherein the anti-theft screw head is integrally formed at the rear end of the screw rod, the stabilizing mechanism is sleeved on the screw rod, the anti-theft screw head comprises an inner cap body, an outer cap body and a connecting mechanism, a circular groove is formed in the rear end of the inner cap body, an annular groove and two clamping grooves which are correspondingly formed in the inner wall of the circular groove and communicated with the annular groove are formed in the inner wall of the circular groove, the clamping grooves are in a right-angled triangle shape, the outer cap body is rotatably sleeved on the inner cap body, the connecting mechanism connected with the clamping grooves is arranged in the inner cap body, the connecting mechanism comprises a sleeve body, a sliding body, a spring body and a clamping assembly, and the.

Description

Convenient to use's self-tapping screw for woodwork
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of self-tapping screws, in particular to the technical field of self-tapping screws which are convenient to use and used for wooden products.
[ background of the invention ]
The fastener is a basic part which is most widely applied, and is a general name of a mechanical part which is adopted when two or more parts or components are fastened and connected into a whole. The fastener has various types and specifications, one performance purpose and extremely high standardization, serialization and universalization degrees. With self-tapping screws being the most common of the fasteners. The conventional self-tapping screw comprises a screw head, a screw rod and a tail tip, wherein spiral threads are arranged on the screw rod and the tail tip, the screw rod is simple in structure, the function is relatively single, and the screw with the traditional structure cannot meet the use requirement along with the continuous development of social economy. Therefore, there is a need for a self-tapping screw for wood products that is easy to use, theft resistant and anti-loosening.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a self-tapping screw which is convenient to use, anti-theft and anti-loose and used for a wooden product.
In order to achieve the purpose, the invention provides a self-tapping screw convenient to use for a wood product, which comprises a screw rod, an anti-theft screw head and a stabilizing mechanism, wherein the anti-theft screw head is integrally formed at the rear end of the screw rod, the stabilizing mechanism is sleeved on the screw rod, the anti-theft screw head comprises an inner cap body, an outer cap body and a connecting mechanism, a circular groove is formed in the rear end of the inner cap body, an annular groove and two clamping grooves which are correspondingly formed in the inner wall of the circular groove and are communicated with the annular groove, each clamping groove is in a right-angled triangle shape, the outer cap body is rotatably sleeved on the inner cap body, the connecting mechanism connected with the clamping grooves is arranged in the inner cap body, the connecting mechanism comprises a sleeve body, a sliding body, a spring body and a clamping assembly, the sliding body is slidably arranged in the sleeve body, the clamping assembly with two ends respectively positioned in the two clamping grooves is arranged at the front end of the sliding, stabilizing mean includes body, T shape hole, a plurality of awl nail, a plurality of opening and a plurality of arc arch, be equipped with T shape hole on the body, the diameter in the little diameter section in T shape hole equals with the diameter of screw, the diameter in the big diameter section in T shape hole equals with the external diameter of the outer cap body, the rear end of body is equipped with evenly distributed's opening, and the rear end of the body between two adjacent openings all is equipped with the arc arch that blocks on the outer cap body rear end, the rear end of the outer cap body is equipped with twists the portion of moving.
As preferred, the joint subassembly includes the axis body, two joint bodies and two springs, the both ends cover of axis body is equipped with the slidable joint body, all be equipped with in the joint body with the spring of the tip fixed connection of axis body.
Preferably, the screwing portion is an annular body having an outer side and an inner side.
Preferably, a pin shaft penetrates through the upper wall body of the sleeve body, a pin cap is arranged at the upper end of the pin shaft, a slot matched with the pin shaft is formed in the sliding body, a supporting spring is sleeved on the pin shaft, two ends of the supporting spring are fixedly connected with the pin cap and the sleeve body respectively, a guide seat is arranged at the upper end of the pin cap, and the cross section of the guide seat is an isosceles triangle and gradually becomes smaller from front to back.
Preferably, the rear end of the outer cap body is provided with an inverted V-shaped hole corresponding to the guide seat.
Preferably, the handle also comprises a V-shaped body matched with the V-shaped hole, and the rear end of the V-shaped body is provided with a handle.
Preferably, the angle of the V-shaped hole is 90 degrees.
The invention has the beneficial effects that: the self-tapping screw is prevented from loosening under the action of vibration by inserting the cone pin into the connected piece and arranging the bulge blocked on the rear end of the outer cap body at the rear end of the body between the two adjacent openings, so that the stability and reliability of fixation are improved; the outer cap body is rotated clockwise, the outer cap body drives the inner cap body to rotate through the matching of the connecting mechanism and the clamping groove, and the inner cap body drives the screw rod to rotate, so that the screwing rotation of the screw is realized; the outer cap body is rotated anticlockwise, the outer cap body drives the connecting mechanism to rotate, and the clamping body enters the annular groove under the guidance of the bevel edge of the clamping groove because the clamping groove is in a right-angled triangle, so that the connecting mechanism cannot drive the inner cap body to rotate, the loosening and rotating of the screw cannot be realized, and the anti-theft effect is realized; compared with the prior art, can convenient to use, theftproof and locking.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic cross-sectional view of a convenient-to-use self-tapping screw for wood products of the present invention;
FIG. 2 is a schematic view of a portion of the top view of the attachment mechanism;
fig. 3 is an enlarged view of a in fig. 1.
In the figure: 1-screw rod, 2-anti-theft screw head, 3-stabilizing mechanism, 20-screwing part, 21-inner cap body, 22-outer cap body, 23-connecting mechanism, 24-circular groove, 25-annular groove, 26-clamping groove, 31-body, 32-T-shaped hole, 33-conical nail, 34-opening, 35-arc-shaped protrusion, 230-guide seat, 231-sleeve body, 232-sliding body, 233-spring body, 234-clamping component, 235-pin shaft, 236-pin cap, 237-slot, 238-inverted V-shaped hole, 239-V-shaped body, 2310-handle, 2311-supporting spring, 2341-shaft body, 2342-clamping body and 2343-spring.
[ detailed description ] embodiments
Referring to fig. 1, 2 and 3, the invention relates to a self-tapping screw for wood products, which comprises a screw rod 1, an anti-theft screw head 2 integrally formed at the rear end of the screw rod 1, and a stabilizing mechanism 3 sleeved on the screw rod 1, wherein the anti-theft screw head 2 comprises an inner cap body 21, an outer cap body 22 and a connecting mechanism 23, the rear end of the inner cap body 21 is provided with a circular groove 24, the inner wall of the circular groove 24 is provided with an annular groove 25 and two clamping grooves 26 correspondingly arranged and communicated with the annular groove 25, the clamping grooves 26 are in a right triangle shape, the outer cap body 22 is rotatably sleeved on the inner cap body 21, the inner cap body 21 is internally provided with the connecting mechanism 23 connected with the clamping grooves 26, the connecting mechanism 23 comprises a sleeve body 231, a sliding body 232, a spring body 233 and a clamping assembly 234, the sliding body 232 is slidably arranged in the sleeve body 231, the front end of the sliding body 232 is provided with the clamping assembly 234 with two ends respectively positioned in, the sliding body 232 is sleeved with a spring body 233 with two ends respectively fixedly connected with the sleeve body 231 and the clamping component 234, the stabilizing mechanism 3 comprises a body 31, a T-shaped hole 32, a plurality of conical nails 33, a plurality of openings 34 and a plurality of arc-shaped protrusions 35, the body 31 is provided with the T-shaped hole 32, the diameter of the small-diameter section of the T-shaped hole 32 is equal to that of the screw rod 1, the diameter of the large-diameter section of the T-shaped hole 32 is equal to that of the outer cap body 22, the rear end of the body 31 is provided with the openings 34 which are uniformly distributed, the rear end of the body 31 between every two adjacent openings 34 is provided with the arc-shaped protrusions 35 which block the rear end of the outer cap body 22, the rear end of the outer cap body 22 is provided with a twisting part 20, the clamping component 234 comprises a shaft body 2341, two clamping bodies 2342 and two springs 2343, the two ends of the shaft body 2341 are sleeved with slidable clamping bodies 2342, the springs 2343 fixedly connected with the end, the screwing part 20 is an annular body with an outer square and an inner circle, a pin shaft 235 penetrates through the upper wall body of the sleeve body 231, a pin cap 236 is arranged at the upper end of the pin shaft 235, a slot 237 matched with the pin shaft 235 is arranged on the sliding body 232, a supporting spring 2311 with two ends respectively fixedly connected with the pin cap 236 and the sleeve body 231 is sleeved on the pin shaft 235, a guide seat 230 is arranged at the upper end of the pin cap 236, the cross section of the guide seat 230 is in an isosceles triangle shape, the cross section area of the guide seat 230 gradually decreases from front to back, an inverted V-shaped hole 238 corresponding to the guide seat 230 is arranged at the rear end of the outer cap body 22, the screwing part further comprises a V-shaped body 239 matched with the V-shaped hole 238, a handle 2310 is arranged at the rear end of the V-shaped body.
The working process of the invention is as follows:
in the working process of the self-tapping screw convenient to use for the wood product, the stabilizing mechanism 3 is fixed on a fixed piece by hand, then the outer cap body 22 is rotated clockwise, the outer cap body 22 is matched with the clamping groove 26 through the connecting mechanism 23 to drive the inner cap body 21 to rotate, the inner cap body 21 drives the screw rod 1 to rotate, and the screwing rotation of the screw is realized; the outer cap body 22 is rotated anticlockwise, the outer cap body 22 drives the connecting mechanism 23 to rotate, and the clamping groove 26 is a right-angled triangle, so that the clamping body 2342 enters the annular groove 25 under the guidance of the inclined edge of the clamping body, the connecting mechanism 23 cannot drive the inner cap body 21 to rotate, and loosening and unloading rotation of screws cannot be achieved.
In the process of screwing the self-tapping screw, the anti-theft screw head 2 enters the large-diameter section of the T-shaped hole 32 and drives the stabilizing mechanism 3 to move towards the fastened piece, so that the conical nail 33 is pricked into the fastened piece.
When the dismounting is needed, the V-shaped body 239 is inserted into the V-shaped hole 238, when the V-shaped body 239 passes through the guide seat 230, the guide seat 230 is forced to move downwards, the guide seat 230 compresses the supporting spring 2311 through the pin cap 236 and drives the pin shaft 235 to be inserted into the slot 237, so that the sliding body 232 is fixed, and thus the clamping body 2342 cannot move towards the annular groove 25 under the guidance of the hypotenuse of the right triangle.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (7)

1. The utility model provides a woodwork is with convenient to use's self-tapping screw which characterized in that: the anti-theft screw comprises a screw rod (1), an anti-theft screw head (2) and a stabilizing mechanism (3), wherein the anti-theft screw head (2) is integrally formed at the rear end of the screw rod (1), the stabilizing mechanism (3) is sleeved on the screw rod (1), the anti-theft screw head (2) comprises an inner cap body (21), an outer cap body (22) and a connecting mechanism (23), a circular groove (24) is formed in the rear end of the inner cap body (21), an annular groove (25) and two clamping grooves (26) which are correspondingly formed in the inner wall of the circular groove (24) and communicated with the annular groove (25) are formed in the inner wall of the circular groove (24), the clamping grooves (26) are right-angled triangles, the outer cap body (22) is rotatably sleeved on the inner cap body (21), the connecting mechanism (23) connected with the clamping grooves (26) is arranged in the inner cap body (21), the connecting mechanism (23) comprises a sleeve body (231), a sliding body (232), a, the front end of the sliding body (232) is provided with a clamping assembly (234) with two ends respectively located in two clamping grooves (26), the sliding body (232) is sleeved with a spring body (233) with two ends respectively fixedly connected with a sleeve body (231) and the clamping assembly (234), the stabilizing mechanism (3) comprises a body (31), a T-shaped hole (32), a plurality of conical nails (33), a plurality of openings (34) and a plurality of arc-shaped protrusions (35), the body (31) is provided with the T-shaped hole (32), the diameter of the small diameter section of the T-shaped hole (32) is equal to that of the screw rod (1), the diameter of the large diameter section of the T-shaped hole (32) is equal to the outer diameter of the outer cap body (22), the rear end of the body (31) is provided with uniformly distributed openings (34), the rear end of the body (31) between two adjacent openings (34) is provided with the arc-shaped protrusion (35) blocked at the rear end of the outer cap body (22), the rear end of the outer cap body (22) is provided with a screwing part (20).
2. A convenient-to-use self-tapping screw for wood products according to claim 1, wherein: joint subassembly (234) include axis body (2341), two joint bodies (2342) and two springs (2343), the both ends cover of axis body (2341) is equipped with the slidable joint body (2342), all be equipped with in the joint body (2342) with the tip fixed connection's of axis body (2341) spring (2343).
3. A convenient-to-use self-tapping screw for wood products according to claim 1, wherein: the screwing part (20) is an annular body with an outer square and an inner circle.
4. A convenient-to-use self-tapping screw for wood products according to claim 1, wherein: the utility model discloses a cover body, including cover body (231), the last wall body of cover body (231) is worn to be equipped with round pin axle (235), the upper end of round pin axle (235) is equipped with round pin cap (236), be equipped with on sliding body (232) with round pin axle (235) matched with slot (237), the cover is equipped with both ends respectively with round pin cap (236) and cover body (231) fixed connection's supporting spring (2311) on round pin axle (235), the upper end of round pin cap (236) is equipped with guide holder (230), the cross section of guide holder (230) is isosceles triangle and the cross-sectional area is by preceding to the back taper down.
5. A convenient-to-use self-tapping screw for wood products according to claim 1, wherein: the rear end of the outer cap body (22) is provided with an inverted V-shaped hole (238) corresponding to the guide seat (230).
6. A convenient-to-use self-tapping screw for wood products according to claim 1, wherein: the novel multifunctional umbrella is characterized by further comprising a V-shaped body (239) matched with the V-shaped hole (238), and a handle (2310) is arranged at the rear end of the V-shaped body (239).
7. A ready-to-use self-tapping screw for wood products according to claim 6 wherein: the angle of the V-shaped hole (238) is 90 degrees.
CN202011547055.6A 2020-12-24 2020-12-24 Convenient to use's self-tapping screw for woodwork Active CN112727886B (en)

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CN202011547055.6A CN112727886B (en) 2020-12-24 2020-12-24 Convenient to use's self-tapping screw for woodwork

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Application Number Priority Date Filing Date Title
CN202011547055.6A CN112727886B (en) 2020-12-24 2020-12-24 Convenient to use's self-tapping screw for woodwork

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CN112727886A true CN112727886A (en) 2021-04-30
CN112727886B CN112727886B (en) 2022-07-01

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2502710A1 (en) * 1981-03-24 1982-10-01 Groppo Domenico ANTI-THEFT DEVICE
DE3364366D1 (en) * 1983-05-05 1986-08-07 Honeywell Braukmann Gmbh Theft protection for a radiator valve thermostat
US5628602A (en) * 1996-01-18 1997-05-13 Kyo-Ei Sangyo Kabushiki Kaisha Anti-theft hub nut for vehicle wheels
TWM243579U (en) * 2003-09-30 2004-09-11 Luo Chan Screw Metal Co Ltd Burglarproof screw and screwdriver thereof
CN201030836Y (en) * 2007-04-02 2008-03-05 上海保隆汽车科技股份有限公司 Vehicle wheel theft-proof lock
CN101936323A (en) * 2010-09-17 2011-01-05 浙江吉利汽车研究院有限公司 Vehicle theftproof nut
JP4730721B1 (en) * 2010-06-24 2011-07-20 株式会社マツ・ショウ Anti-theft bolt and jig used for anti-theft bolt
CN205478848U (en) * 2016-03-15 2016-08-17 牛国玲 Anti -theft fastener
US20170067499A1 (en) * 2015-09-03 2017-03-09 Daniel Schechter Theft Resistant Rotatable Lock Nut and Lock Bolt Assemblies
CN206770364U (en) * 2017-03-24 2017-12-19 慈溪市宏泽五金有限公司 A kind of anti-theft screw
CN107676366A (en) * 2016-08-02 2018-02-09 上海圣享科技股份有限公司 Anti-theft screw
CN109058273A (en) * 2018-08-28 2018-12-21 宁波市镇海甬鼎紧固件制造有限公司 A kind of anti-theft bolt with anti-loose effect
CN210623336U (en) * 2019-07-05 2020-05-26 蕲春县朝欣五金机械有限公司 Anti-theft screw

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2502710A1 (en) * 1981-03-24 1982-10-01 Groppo Domenico ANTI-THEFT DEVICE
DE3364366D1 (en) * 1983-05-05 1986-08-07 Honeywell Braukmann Gmbh Theft protection for a radiator valve thermostat
US5628602A (en) * 1996-01-18 1997-05-13 Kyo-Ei Sangyo Kabushiki Kaisha Anti-theft hub nut for vehicle wheels
TWM243579U (en) * 2003-09-30 2004-09-11 Luo Chan Screw Metal Co Ltd Burglarproof screw and screwdriver thereof
CN201030836Y (en) * 2007-04-02 2008-03-05 上海保隆汽车科技股份有限公司 Vehicle wheel theft-proof lock
JP4730721B1 (en) * 2010-06-24 2011-07-20 株式会社マツ・ショウ Anti-theft bolt and jig used for anti-theft bolt
CN101936323A (en) * 2010-09-17 2011-01-05 浙江吉利汽车研究院有限公司 Vehicle theftproof nut
US20170067499A1 (en) * 2015-09-03 2017-03-09 Daniel Schechter Theft Resistant Rotatable Lock Nut and Lock Bolt Assemblies
CN205478848U (en) * 2016-03-15 2016-08-17 牛国玲 Anti -theft fastener
CN107676366A (en) * 2016-08-02 2018-02-09 上海圣享科技股份有限公司 Anti-theft screw
CN206770364U (en) * 2017-03-24 2017-12-19 慈溪市宏泽五金有限公司 A kind of anti-theft screw
CN109058273A (en) * 2018-08-28 2018-12-21 宁波市镇海甬鼎紧固件制造有限公司 A kind of anti-theft bolt with anti-loose effect
CN210623336U (en) * 2019-07-05 2020-05-26 蕲春县朝欣五金机械有限公司 Anti-theft screw

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