阅读说明：本技术 一种木制品用使用方便的自攻丝螺钉 (Convenient to use's self-tapping screw for woodwork ) 是由 李勇 于 2020-12-24 设计创作，主要内容包括：本发明公开了一种木制品用使用方便的自攻丝螺钉,包括螺杆、一体成型在螺杆后端的防盗螺头和套设在螺杆上的稳定机构,所述防盗螺头包括内帽体、外帽体和连接机构,所述内帽体的后端设有圆形凹槽,所述圆形凹槽的内壁设有环状槽和两个相对应设置且均与环状槽连通的卡槽,所述卡槽为直角三角形,所述外帽体可转动套设在内帽体上,所述内帽体内设有与卡槽连接的连接机构,所述连接机构包括套体、滑动体、弹簧体和卡接组件,所述滑动体可滑动设在套体内,与现有技术相比,能够使用方便、防盗和防松。(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.)

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.

[ 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.