阅读说明：本技术 一种不易拆卸的防松螺栓 (Anti-loosening bolt not easy to disassemble ) 是由 甘建国 于 2020-12-03 设计创作，主要内容包括：本发明公开了一种不易拆卸的防松螺栓,包括螺头、螺杆、第一安装腔、安装圆孔、着力杆、第一横杆、开口、第一伸缩杆、第一弹簧、通孔、轴承、连杆、卡杆、安装方孔、挤压块、螺纹部、磁铁块、第二安装腔、第二横杆、插孔、第二伸缩杆、第二弹簧、第三安装腔、顶推块和拉杆,所述螺头的底部的中心位置固定设有螺杆,所述螺头内开设有第一安装腔,所述螺头的上部开设有两个与第一安装腔相通的安装圆孔,两个所述安装圆孔均匀分布在螺头的上部,每个所述安装圆孔内均插设有着力杆,与现有技术相比,能够有效防止螺栓松动,有效防止螺栓被他人随意拆卸,提升了螺栓使用的安全性和可靠性,结构简单,使用方便,便于推广应用。(The invention discloses a non-detachable anti-loosening bolt, which comprises a screw head, a screw rod, a first mounting cavity, mounting round holes, a stress rod, a first cross rod, an opening, a first telescopic rod, a first spring, a through hole, a bearing, a connecting rod, a clamping rod, a mounting square hole, an extrusion block, a threaded part, a magnet block, a second mounting cavity, a second cross rod, an insertion hole, a second telescopic rod, a second spring, a third mounting cavity, a pushing block and a pull rod, wherein the screw rod is fixedly arranged at the central position of the bottom of the screw head, the first mounting cavity is formed in the screw head, two mounting round holes communicated with the first mounting cavity are formed in the upper part of the screw head, the two mounting round holes are uniformly distributed in the upper part of the screw head, the stress rod is inserted into each mounting round hole, compared with the prior art, the bolt can be effectively prevented from loosening, the bolt is effectively prevented from being randomly detached by other people, and the use safety and the reliability of the bolt, simple structure, convenient use and convenient popularization and application.)

1. The utility model provides a locking bolt of difficult dismantlement which characterized in that: comprises a screw head (1), a screw rod (2), a first mounting cavity (3), a mounting round hole (4), a force application rod (5), a first cross rod (6), an opening (7), a first telescopic rod (8), a first spring (9), a through hole (10), a bearing (11), a connecting rod (12), a clamping rod (13), a mounting square hole (14), an extrusion block (15), a thread part (16), a magnet block (17), a second mounting cavity (18), a second cross rod (19), a jack (20), a second telescopic rod (21), a second spring (22), a third mounting cavity (23), a pushing block (24) and a pull rod (25), wherein the screw rod (2) is fixedly arranged at the center of the bottom of the screw head (1), the first mounting cavity (3) is arranged in the screw head (1), two mounting round holes (4) communicated with the first mounting cavity (3) are arranged at the upper part of the screw head (1), the two installation round holes (4) are uniformly distributed on the upper portion of the screw head (1), each installation round hole (4) is internally provided with a force rod (5) in an inserted manner, the force rods (5) are in axial sliding fit with the installation round holes (4), a first horizontal rod (6) horizontally arranged is arranged in the first installation cavity (3), two ends of the first horizontal rod (6) are respectively fixedly connected with the lower ends of the two force rods (5), the upper portion of the first horizontal rod (6) is provided with an opening (7) which is distributed along the length direction of the first horizontal rod (6) and penetrates through the first horizontal rod (6), the lower portions of two ends of the first horizontal rod (6) are respectively and fixedly provided with a first telescopic rod (8) vertically arranged, the lower end of the first telescopic rod (8) is fixedly connected with the bottom of the first installation cavity (3), and the outer side of each first telescopic rod (8) is sleeved with a first spring (9), the upper portion of the screw head (1) is located between two installation round holes (4) and is provided with a plurality of through holes (10), the through holes (10) and the installation round holes (4) are located on the same straight line, each through hole (10) is internally provided with a connecting rod (12) in a rotatable mode through a bearing (11), the lower end of each connecting rod (12) is fixedly provided with a clamping rod (13) which is horizontally arranged, the side portion of each screw rod (2) is provided with an installation square hole (14) which transversely penetrates through the screw rod (2), two extrusion blocks (15) are arranged in the installation square hole (14), the extrusion blocks (15) are in axial sliding fit with the installation square holes (14), the outer side portion of each extrusion block (15) is provided with a thread portion (16) matched with the thread of the screw rod (2), the opposite sides of the two extrusion blocks (15) are respectively embedded with magnet blocks (17), and the two magnet blocks (17) are arranged in an attraction, the screw head is characterized in that a second mounting cavity (18) is formed in the interior of the screw head (1) and located below the first safety cavity (3), a second horizontal rod (19) horizontally arranged is arranged in the second mounting cavity (18), jacks (20) are symmetrically formed in the bottom of the screw head (1) and located on two sides of the screw rod (2), the jacks (20) are communicated with the second mounting cavity (18), a second telescopic rod (21) penetrates through each jack (20), the upper end of each second telescopic rod (21) is fixedly connected with the end portion of the corresponding second horizontal rod (19), a second spring (22) is sleeved on the outer side of each second telescopic rod (21), the lower end of each second spring (22) is fixedly connected with the lower end of the corresponding second telescopic rod (21), a third mounting cavity (23) is formed in the interior of the screw rod (2) in the axial direction, and the upper end of the third mounting cavity (23) is communicated with the second mounting cavity (18), the lateral part of third installation cavity (23) communicates with each other with installation square hole (14), the inside downside that is located installation square hole (14) of third installation cavity (23) is equipped with ejector pad (24), ejector pad (24) and third installation cavity (23) axial sliding fit, the fixed pull rod (25) that set up with third installation cavity (23) of point portion of the upper end of ejector pad (24), the downside fixed connection in the middle part of the upper end of pull rod (25) and second horizontal pole (19).

2. A non-detachable anti-loose bolt as claimed in claim 1, characterized in that: the screw head (1) is designed in a cylindrical shape.

3. A non-detachable anti-loose bolt as claimed in claim 1, characterized in that: the outer side wall of the outer ring of the bearing (11) is fixedly connected with the side wall of the through hole (10), and the inner side wall of the inner ring of the bearing (11) is fixedly connected with the outer side wall of the connecting rod (12).

4. A non-detachable anti-loose bolt as claimed in claim 1, characterized in that: the upper end surface of the connecting rod (12) is provided with a straight knife groove or a cross knife groove, and the upper end of the connecting rod (12) is flush with the upper end of the screw head (1).

5. A non-detachable anti-loose bolt as claimed in claim 1, characterized in that: the width of the opening (7) is slightly larger than that of the clamping rod (13).

6. A non-detachable anti-loose bolt as claimed in claim 1, characterized in that: the outer side of the extrusion block (15) is designed to be a curved surface, and the curved surface of the outer side of the extrusion block (15) is matched with the curved surface of the side of the screw (2).

7. A non-detachable anti-loose bolt as claimed in any one of claims 1 to 6, characterized in that: the upper section of the pushing block (14) is in a conical design, and the lower section of the pushing block is in a cylindrical design.

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of fasteners, in particular to a non-detachable check bolt.

[ background of the invention ]

Bolts are mechanical parts, cylindrical threaded fasteners fitted with nuts. The fastener consists of a head and a cylinder with a screw rod provided with external threads, and is matched with a nut and used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection. The bolt with the structure has the following defects in the actual use process: in addition, the existing bolt has no anti-theft function, and the bolt is easily detached from an object by using a wrench or a screwdriver, so that an object fixed by the bolt is stolen by someone with other usefulness, such as a vehicle license plate.

[ summary of the invention ]

The invention aims to solve the problems in the prior art, provides the anti-loosening bolt difficult to disassemble, can effectively prevent the bolt from loosening, effectively prevent the bolt from being randomly disassembled by other people, improves the safety and reliability of the bolt, and is simple in structure, convenient to use and convenient to popularize and apply.

In order to achieve the purpose, the invention provides a non-detachable anti-loosening bolt which comprises a screw head, a screw rod, a first installation cavity, installation round holes, a stress rod, a first cross rod, an opening, a first telescopic rod, a first spring, a through hole, a bearing, a connecting rod, a clamping rod, an installation square hole, an extrusion block, a threaded part, a magnet block, a second installation cavity, a second cross rod, a jack, a second telescopic rod, a second spring, a third installation cavity, a pushing block and a pull rod, wherein the screw rod is fixedly arranged at the central position of the bottom of the screw head, the first installation cavity is formed in the screw head, the two installation round holes communicated with the first installation cavity are formed in the upper part of the screw head, the two installation round holes are uniformly distributed in the upper part of the screw head, the stress rod is inserted into each installation round hole and is in sliding fit with the installation axial round holes, the first cross rod which is horizontally arranged is arranged in the first installation cavity, the two ends of the first cross rod are respectively fixedly connected with the lower ends of the two stressing rods, the upper part of the first cross rod is provided with openings which are distributed along the length direction of the first cross rod and penetrate through the first cross rod, the lower parts of the two ends of the first cross rod are respectively fixedly provided with a vertically arranged first telescopic rod, the lower end of the first telescopic rod is fixedly connected with the bottom of the first installation cavity, the outer side of each first telescopic rod is sleeved with a first spring, the upper part of the screw head is positioned between the two installation round holes and is provided with a plurality of through holes, the through holes and the installation round holes are positioned on the same straight line, each through hole is rotatably provided with a connecting rod through a bearing, the lower end of each connecting rod is fixedly provided with a horizontally arranged clamping rod, the side part of the screw rod is provided with an installation square hole which transversely penetrates through the screw rod, two extrusion blocks are arranged in the installation square hole, and are in, the outer side of each extrusion block is provided with a thread part matched with the thread of the screw rod, the opposite sides of the two extrusion blocks are embedded with magnet blocks, the two magnet blocks are arranged in an attracting manner, the interior of the screw head is positioned below the first safety cavity and provided with a second installation cavity, the second installation cavity is internally provided with a second horizontal rod which is horizontally arranged, the bottom of the screw head is positioned at the two sides of the screw rod and symmetrically provided with jacks, the jacks are communicated with the second installation cavity, each jack is internally provided with a second telescopic rod in a penetrating manner, the upper end of the second telescopic rod is fixedly connected with the end part of the second horizontal rod, the outer side of each second telescopic rod is sleeved with a second spring, the lower end of the second spring is fixedly connected with the lower end of the second telescopic rod, the interior of the screw rod is provided with a third installation cavity along the axial direction, and the upper end of the third installation cavity is communicated with the second installation cavity, the lateral part of third installation cavity communicates with each other with the installation square hole, the inside downside that is located the installation square hole of third installation cavity is equipped with the ejector pad, ejector pad and third installation cavity axial sliding fit, the tip of the upper end of ejector pad is fixed and is equipped with the pull rod with the coaxial setting of third installation cavity, the lower side fixed connection in the middle part of the upper end of pull rod and second horizontal pole.

Preferably, the screw head is of cylindrical design.

Preferably, the outer side wall of the outer ring of the bearing is fixedly connected with the side wall of the through hole, and the inner side wall of the inner ring of the bearing is fixedly connected with the outer side wall of the connecting rod.

Preferably, the upper end surface of the connecting rod is provided with a straight knife groove or a cross knife groove, and the upper end of the connecting rod is flush with the upper end of the screw head.

Preferably, the width of the opening is slightly larger than the width of the clamping rod.

Preferably, the outer side of the extrusion block is designed to be a curved surface, and the curved surface of the outer side of the extrusion block is matched with the curved surface of the side of the screw.

Preferably, the upper section of the pushing block is designed to be conical, and the lower section of the pushing block is designed to be cylindrical.

The invention has the beneficial effects that: the invention is characterized in that a first mounting cavity is arranged in a screw head, two mounting round holes communicated with the first mounting cavity are arranged at the upper part of the screw head, a force applying rod is inserted in each mounting round hole, a horizontally arranged first cross rod is arranged in the first mounting cavity, two ends of the first cross rod are respectively and fixedly connected with the lower ends of the two force applying rods, the upper part of the first cross rod is provided with openings which are distributed along the length direction of the first cross rod and penetrate through the first cross rod, the lower parts of two ends of the first cross rod are respectively and fixedly provided with a vertically arranged first telescopic rod, the lower end of the first telescopic rod is fixedly connected with the bottom of the first mounting cavity, the outer side of each first telescopic rod is sleeved with a first spring, a plurality of through holes are arranged at the upper part of the screw head between the two mounting round holes, a connecting rod is rotatably arranged in each through hole through a bearing, and a horizontally arranged clamping rod is fixedly, when the bolt needs to be disassembled, the connecting rods can be respectively rotated by a screwdriver, the connecting rods drive the clamping rods to rotate, only when the clamping rod at the lower end of each connecting rod is parallel to the opening, the clamping rod can smoothly pass through the opening, the first cross rod can ascend under the elastic force of the first spring, so that the force rods can extend out of the mounting circular hole, an operator can transversely clamp a disassembling tool between the two force rods and rotate the disassembling tool to disassemble the bolt, a mounting square hole transversely penetrating through the screw rod is formed in the side part of the screw rod, two extrusion blocks are arranged in the mounting square hole, a thread part matched with the thread of the screw rod is arranged at the outer side part of each extrusion block, magnet blocks are embedded in the opposite sides of the two extrusion blocks, the two magnet blocks are attracted to be arranged, a second mounting cavity is formed in the screw head and is positioned below the first safety cavity, and a second cross rod which is horizontally arranged is arranged in the second mounting cavity, the bottom of the screw head is positioned on two sides of the screw rod and symmetrically provided with jacks, the jacks are communicated with a second mounting cavity, a second telescopic rod penetrates through each jack, the upper end of the second telescopic rod is fixedly connected with the end part of a second transverse rod, the outer side of each second telescopic rod is sleeved with a second spring, the lower end of the second spring is fixedly connected with the lower end of the second telescopic rod, the inside of the screw rod is axially provided with a third mounting cavity, the upper end of the third mounting cavity is communicated with the second mounting cavity, the side part of the third mounting cavity is communicated with a mounting square hole, the inside of the third mounting cavity is provided with a pushing block positioned on the lower side of the mounting square hole, the pushing block is axially matched with the third mounting cavity in a sliding manner, the tip part at the upper end of the pushing block is fixedly provided with a pull rod coaxially arranged with the third mounting cavity, the upper end of the pull rod is fixedly connected with the lower side of the middle part of the second transverse rod, when the bolt is, the second telescopic link receives and contracts in can going the jack after the extrusion, the second spring is also compressed this moment, the elasticity of second spring makes the second horizontal pole drive the pull rod and upwards removes, the pull rod passes through the ejector pad and drives the extrusion piece and slide to the outer end in installation square hole, make the extrusion piece push up tightly with the object of screw rod lateral part, can effectively prevent the screw rod rotation, effectively prevent the bolt not hard up, because two magnet pieces that attract each other have been set up, when this bolt is not installed again, two extrusion pieces can be attracted by the magnetic force of magnet piece and gather together the central point in installation square hole and put, the extrusion piece at this moment can not hinder the normal installation of this bolt, compared with prior art, can effectively prevent that the bolt is not hard up, effectively prevent that the bolt from being dismantled by other people at will, the security and the reliability of bolt use have been promoted, moreover, the steam generator is simple in structure, high durability.

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 structural view of a non-detachable check bolt of the present invention;

fig. 2 is a structural plan view of a first mounting cavity of the anti-loose bolt not easy to disassemble.

In the figure: the device comprises a screw head 1, a screw rod 2, a first mounting cavity 3, a mounting round hole 4, a force applying rod 5, a first cross rod 6, an opening 7, a first telescopic rod 8, a first spring 9, a through hole 10, a bearing 11, a connecting rod 12, a clamping rod 13, a mounting square hole 14, an extrusion block 15, a threaded part 16, a magnet block 17, a second mounting cavity 18, a second cross rod 19, an insertion hole 20, a second telescopic rod 21, a second spring 22, a third mounting cavity 23, a pushing block 24 and a pull rod 25.

[ detailed description ] embodiments

Referring to fig. 1 and 2, the invention relates to a non-detachable anti-loose bolt, which comprises a screw head 1, a screw rod 2, a first mounting cavity 3, mounting round holes 4, a force applying rod 5, a first cross rod 6, an opening 7, a first telescopic rod 8, a first spring 9, a through hole 10, a bearing 11, a connecting rod 12, a clamping rod 13, a mounting square hole 14, an extrusion block 15, a threaded portion 16, a magnet block 17, a second mounting cavity 18, a second cross rod 19, an insertion hole 20, a second telescopic rod 21, a second spring 22, a third mounting cavity 23, a pushing block 24 and a pull rod 25, wherein the screw rod 2 is fixedly arranged at the center of the bottom of the screw head 1, the first mounting cavity 3 is arranged in the screw head 1, two mounting round holes 4 communicated with the first mounting cavity 3 are arranged at the upper part of the screw head 1, the two mounting round holes 4 are uniformly distributed at the upper part of the screw head 1, the force applying rod 5 is inserted in each mounting round hole 4, the stress applying rods 5 are axially matched with the mounting round holes 4 in a sliding manner, a first horizontal rod 6 which is horizontally arranged is arranged in the first mounting cavity 3, two ends of the first horizontal rod 6 are respectively fixedly connected with the lower ends of the two stress applying rods 5, openings 7 which are distributed along the length direction of the first horizontal rod 6 and penetrate through the first horizontal rod 6 are formed in the upper portion of the first horizontal rod 6, vertically arranged first telescopic rods 8 are fixedly arranged at the lower portions of two ends of the first horizontal rod 6, the lower end of each first telescopic rod 8 is fixedly connected with the bottom of the first mounting cavity 3, a first spring 9 is sleeved on the outer side of each first telescopic rod 8, a plurality of through holes 10 are formed in the upper portion of the screw head 1 between the two mounting round holes 4, the through holes 10 and the mounting round holes 4 are positioned on the same straight line, connecting rods 12 are rotatably arranged in each through hole 10 through bearings 11, and clamping rods 13 which are horizontally arranged are fixedly arranged at the lower ends of the connecting rods 12, the side part of the screw rod 2 is provided with a mounting square hole 14 transversely penetrating through the screw rod 2, two extrusion blocks 15 are arranged in the mounting square hole 14, the extrusion blocks 15 are in axial sliding fit with the mounting square hole 14, the outer side part of each extrusion block 15 is provided with a thread part 16 matched with the thread of the screw rod 2, the opposite sides of the two extrusion blocks 15 are respectively embedded with a magnet block 17, the two magnet blocks 17 are arranged in an attracting manner, the inner part of the screw head 1 is positioned below the first safety cavity 3 and is provided with a second mounting cavity 18, a second cross rod 19 horizontally arranged is arranged in the second mounting cavity 18, the bottom part of the screw head 1 is positioned at two sides of the screw rod 2 and is symmetrically provided with insertion holes 20, the insertion holes 20 are communicated with the second mounting cavity 18, a second telescopic rod 21 is arranged in each insertion hole 20 in a penetrating manner, and the upper end of the second telescopic rod 21 is fixedly connected with the end part of the second cross rod 19, the outer side of each second telescopic rod 21 is sleeved with a second spring 22, the lower end of the second spring 22 is fixedly connected with the lower end of the second telescopic rod 21, a third installation cavity 23 is axially formed in the screw rod 2, the upper end of the third installation cavity 23 is communicated with the second installation cavity 18, the side part of the third installation cavity 23 is communicated with the installation square hole 14, a pushing block 24 is arranged in the third installation cavity 23 and located on the lower side of the installation square hole 14, the pushing block 24 is in axial sliding fit with the third installation cavity 23, a pull rod 25 coaxially arranged with the third installation cavity 23 is fixedly arranged at the tip part of the upper end of the pushing block 24, the upper end of the pull rod 25 is fixedly connected with the lower side of the middle part of the second cross rod 19, the screw head 1 is in a cylindrical design, the outer side wall of the outer ring of the bearing 11 is fixedly connected with the side wall of the through hole 10, the inner side wall of the inner ring of the bearing 11 is fixedly connected with the outer side wall of, the upper end surface of the connecting rod 12 is provided with a straight knife groove or a cross knife groove, the upper end of the connecting rod 12 is flush with the upper end of the screw head 1, the width of the opening 7 is slightly larger than that of the clamping rod 13, the outer side part of the extrusion block 15 is designed to be a curved surface, the curved surface of the outer side part of the extrusion block 15 is matched with the curved surface of the side part of the screw rod 2, the upper section of the pushing block 14 is designed to be conical, and the lower section of the pushing block is designed to be cylindrical.

The working process of the invention is as follows:

in the working process of the anti-loosening and anti-theft bolt, when the bolt needs to be disassembled, the connecting rods 12 can be respectively rotated by a screwdriver, the connecting rods 12 drive the clamping rods 13 to rotate, only when the clamping rod 13 at the lower end of each connecting rod 12 is parallel to the opening 7, the clamping rod 13 can smoothly pass through the opening 7, the first cross rod 6 can rise under the action of the elastic force of the first spring 9, so that the stress rod 5 extends out of the mounting round hole 4, an operator can transversely clamp a disassembling tool between the two stress rods 5 and rotate the disassembling tool to disassemble the bolt, if each connecting rod 12 cannot be correctly rotated, the bolt cannot be disassembled, when the bolt is tightened, the lower end of the second telescopic rod 21 is in contact with the surface of an object, the second telescopic rod 21 retracts into the insertion hole 20 after being squeezed, the second spring 22 is also compressed, the elastic force of the second spring 22 enables the second cross rod 19 to drive the pull rod 25 to move upwards, the pull rod 25 drives the extrusion block 15 to slide towards the outer end of the mounting square hole 14 through the pushing block 24, so that the extrusion block 15 is tightly pushed against the outer side of the screw rod 2, the screw rod 2 can be effectively prevented from rotating, the bolt is effectively prevented from loosening, because two magnet blocks 17 which attract each other are arranged, the bolt is not yet mounted, the two extrusion blocks 15 can be attracted by the magnetic force of the magnet blocks 17 and gathered at the central position of the mounting square hole 14, the extrusion block 15 at the moment can not obstruct the normal mounting of the bolt, compared with the prior art, the bolt can be effectively prevented from loosening, the bolt is effectively prevented from being randomly dismounted by other people, the using safety and reliability of the bolt are improved, the structure is simple, the use is convenient, and the popularization and the application are convenient.

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.