CN214945641U

CN214945641U - Anti-loosening combined screw

Info

Publication number: CN214945641U
Application number: CN202121536446.8U
Authority: CN
Inventors: 李岳霖; 陶秀翔; 李卫民
Original assignee: Shanghai Xinbiao Machinery Co ltd
Current assignee: Shanghai Xinbiao Machinery Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2021-11-30
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a locking combination screw, including locking screw, this internal pull formula locking mechanism of screw is placed in to locking screw includes the screw body and place in, screw body from the top down is provided with spiral shell head and screw rod respectively, spiral shell head and screw rod integrated into one piece, the inside installing port and the bottom of having seted up of spiral shell head have been seted up and have been seted up the mouth of wearing, the surface of screw rod is seted up thread groove and inside and is seted up and wear mouthful corresponding adjustment tank, pull formula locking mechanism from the top down has set gradually the latch segment, adjust pole and stay, place in the latch segment in the installing port and the bottom with adjust pole integrated into one piece, adjust the pole and alternate in the adjustment tank and the terminal four group's notches of evenly having seted up. The utility model discloses there is pull formula locking mechanism in the inside design of screw body, can adjust pull formula locking mechanism's position, after the screw installation finishes, can stretch out locking mechanism to reach the purpose to mounted position locking, improve the screw and make locking effect.

Description

Anti-loosening combined screw

Technical Field

The utility model relates to a hardware technical field specifically is a locking combination screw.

Background

The screw is a tool for fastening the parts of the object step by utilizing the physics and mathematical principles of the inclined circular rotation and friction of the object. Screws are a common term for fasteners, a common spoken word. The screw is indispensable industry requisite in daily life: extremely small screws used for cameras, glasses, clocks, electronics, and the like; general screws for televisions, electric appliances, musical instruments, furniture, and the like; large screws and nuts are used for engineering, buildings and bridges; transportation equipment, airplanes, electric cars, automobiles, and the like are used with screws of different sizes. The screw has an important task in industry, and as long as there is industry on earth, the function of the screw is always important.

However, the conventional screw has the following problems in the use process: (1) the existing screw structure is simple, and is influenced by external force in the installation and use process, for example: the machine body vibrates, so that the screw is easy to loosen; (2) the existing screw structure is relatively fixed, is mostly an integrated structure, and has less functionality. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locking combination screw has solved current screw structure comparatively simple, receives the influence of external force at the in-process of installation use, for example: the machine body vibrates, which easily causes the screw to loosen, and the technical problem is solved.

In order to achieve the above object, the utility model provides a following technical scheme: a locking combination screw comprises a locking screw body and a drawing type locking mechanism arranged in the screw body, the screw body is respectively provided with a screw head and a screw rod from top to bottom, the screw head and the screw rod are integrally formed, the screw head is internally provided with a mounting opening and the bottom is provided with a through opening, the surface of the screw rod is provided with a thread groove and the inside is provided with an adjusting groove corresponding to the through opening, the pull-out locking mechanism is sequentially provided with a locking block, an adjusting rod and a locking sheet from top to bottom, the locking block is arranged in the mounting opening, the bottom of the locking block and the adjusting rod are integrally formed, the adjusting rod is inserted in the adjusting groove, four groups of notches are uniformly arranged at the tail end of the adjusting rod, the locking sheet is obliquely arranged in the notches, be connected with reset spring between stay and the notch, adjacent two sets of stay equidistance sets up.

As an embodiment of the present invention, the inner wall machine-shaping of the installation opening has a plurality of pairs of first butt-joint blocks, which are adjacent to each other, and is formed with a butt-joint opening between the first butt-joint blocks, the first butt-joint blocks adopt a metal material.

As an embodiment of the present invention, the peripheral processing and forming of the locking block has a plurality of sets of two butt-joint blocks, which are adjacent to each other, two equal distances of the two butt-joint blocks are set and embedded in the butt-joint ports, and the two butt-joint blocks are made of magnetic materials.

As a preferred embodiment of the present invention, the outer diameter of the locking block is equal to the inner diameter of the mounting opening and is greater than the diameter of the through opening, and the height of the locking block is greater than the height of the mounting opening.

As a preferred embodiment of the utility model, the symmetry is two sets of the interval of stay is greater than screw rod tip diameter, the specification of stay is less than the specification of notch.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this scheme has optimized the structure of screw, has pull formula locking mechanism in the inside design of screw body, can adjust pull formula locking mechanism's position, and after the screw installation finishes, can stretch out locking mechanism to reach the purpose to mounted position locking, improve the screw and make locking effect.

2. This scheme is two segmentation structures to the screw design, is convenient for carry out the dismouting processing, easy operation, convenient to use.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a structural view of the screw body of the present invention;

FIG. 3 is a structural diagram of the pull type locking mechanism of the present invention;

fig. 4 is a partial a structure diagram of the present invention.

In the figure, 1, a screw head; 2. a screw; 3. an installation port; 4. perforating; 5. a thread groove; 6. an adjustment groove; 7. a locking block; 8. adjusting a rod; 9. a locking piece; 10. a notch; 12. a return spring; 13. butting the first bump; 14. a butt joint port; 15. and butting the second bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a locking combined screw comprises a locking screw body and a drawing type locking mechanism arranged in the screw body, wherein the screw body is respectively provided with a screw head 1 and a screw rod 2 from top to bottom, the screw head 1 and the screw rod 2 are integrally formed, the screw head 1 is internally provided with a mounting port 3, the bottom of the screw head is provided with a through port 4, the surface of the screw rod 2 is provided with a thread groove 5, the inside of the screw head is provided with an adjusting groove 6 corresponding to the through port 4, the drawing type locking mechanism is sequentially provided with a locking block 7 from top to bottom, adjust pole 8 and stay 9, place in the installing port 3 in the latch segment 7 and the bottom with adjust pole 8 integrated into one piece, adjust pole 8 and alternate in adjustment tank 6 and the terminal four group's notch 10 has evenly been seted up, stay 9 is the slope form and places in notch 10 in, be connected with reset spring 12 between stay 9 and the notch 10, adjacent two sets of stay 9 equidistance sets up.

Further improved, as shown in fig. 2: a plurality of pairs of butt joint projections I13 are formed on the inner wall of the mounting opening 3 in a machining mode, a butt joint opening 14 is formed between every two adjacent pairs of butt joint projections I13, and the butt joint projections I13 are made of metal materials.

In a further improvement, as shown in fig. 3: the periphery of the locking block 7 is machined and formed with a plurality of groups of second butt joint convex blocks 15, the adjacent two groups of second butt joint convex blocks 15 are arranged at equal intervals and are clamped in the butt joint port 14, the second butt joint convex blocks 15 are made of magnetic materials and are arranged in the mounting port 3 in the locking block 7, the first butt joint convex blocks 13 and the second butt joint convex blocks 15 are utilized for butt joint, and the drawing type locking mechanism can be prevented from rotating when the screw is screwed down.

Further improved, as shown in fig. 1 and 2: the outer diameter of the locking block 7 is equal to the inner diameter of the mounting opening 3 and is larger than the diameter of the penetrating opening 4, the height of the locking block 7 is larger than the height of the mounting opening 3, and the butt joint mounting processing of the screw body and the pull-type locking mechanism is facilitated by the design mode.

Specifically, the interval of two sets of stay 9 of symmetry is greater than the screw 2 tip diameter, and the specification of stay 9 is less than the specification of notch 10, and such design is convenient for carry out spacing locking processing through stay 9 to the end of screw mounted position.

When in use: the utility model discloses when needs are installed locking screw, in screwing in the screw with locking screw is whole through thread groove 5, then the staff presses latch segment 7 to 3 bottoms of installing port, in-process pushing away who presses down adjusts pole 8 downstream and makes terminal stay 9 stretch out from adjustment tank 6, struts stay latch segment 9 under reset spring 12's effect, carries out spacing fixed processing through stay 9 to locking screw installation department to reach locking purpose.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a locking combination screw, includes locking screw, its characterized in that: the anti-loosening screw comprises a screw body and a drawing type locking mechanism arranged in the screw body in an inner mode, the screw body is provided with a screw head (1) and a screw rod (2) from top to bottom respectively, the screw head (1) and the screw rod (2) are integrally formed, an installation opening (3) is formed in the screw head (1), a penetrating opening (4) is formed in the bottom of the screw head (1), a thread groove (5) is formed in the surface of the screw rod (2), an adjusting groove (6) corresponding to the penetrating opening (4) is formed in the surface of the screw rod, the drawing type locking mechanism is sequentially provided with a locking block (7), an adjusting rod (8) and a locking sheet (9) from top to bottom, the locking block (7) is arranged in the installation opening (3) in an inner mode, the bottom of the locking block is integrally formed with the adjusting rod (8), the adjusting rod (8) is inserted in the adjusting groove (6), the tail end of the adjusting rod is uniformly provided with four groups of notches (10), and the locking sheet (9) is arranged in an inclined shape in the notch (10), be connected with reset spring (12) between locking sheet (9) and notch (10), adjacent two sets of locking sheet (9) equidistance sets up.

2. The anti-loosening combination screw according to claim 1, wherein: the inner wall of the mounting opening (3) is machined and formed with a plurality of pairs of first butt joint bumps (13), a butt joint opening (14) is formed between every two adjacent pairs of the first butt joint bumps (13), and the first butt joint bumps (13) are made of metal materials.

3. The anti-loosening combination screw according to claim 2, wherein: the periphery of the locking block (7) is machined and formed with a plurality of groups of second butt joint convex blocks (15), two adjacent groups of the second butt joint convex blocks (15) are arranged at equal intervals and are clamped and embedded in the butt joint ports (14), and the second butt joint convex blocks (15) are made of magnetic materials.

4. A locking combination screw as claimed in claim 3, wherein: the outer diameter of the locking block (7) is equal to the inner diameter of the mounting opening (3) and larger than the diameter of the penetrating opening (4), and the height of the locking block (7) is larger than that of the mounting opening (3).

5. The anti-loosening combination screw according to claim 1, wherein: the interval of two symmetrical sets of stay (9) is greater than screw rod (2) tip diameter, the specification of stay (9) is less than the specification of notch (10).