CN213206255U

CN213206255U - Screw with anti-theft sealing structure

Info

Publication number: CN213206255U
Application number: CN202021879448.2U
Authority: CN
Inventors: 黄忠议
Original assignee: Taicang Taibiao Auto Parts Co ltd
Current assignee: Taicang Taibiao Auto Parts Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-05-14
Anticipated expiration: 2030-09-02

Abstract

The utility model provides a screw of theftproof seal structure, belongs to mechanical basis spare and makes technical field, including screw body, locking screw, a set of locking Assembly and briquetting, be equipped with recess one on the screwhead, the briquetting sets up in recess one to briquetting and recess interference fit, a set of locking Assembly sets up on screw body to a set of locking Assembly is located recess one and locates radial cross section within range, be equipped with the internal thread on the inner wall of recess one, a locking screw and a recess threaded connection, locking screw can promote the briquetting and compress tightly on a set of locking Assembly. Theftproof seal structure's screw, simple structure, reasonable, convenient to use, use is with low costs, adaptability is good, through the check pin and treat the cooperation between the locking part, can form the theftproof that an inserted fixed knot constructs the form and can make the screw body through setting up of check pin and have higher security, stability and reliability.

Description

Screw with anti-theft sealing structure

Technical Field

The utility model belongs to the technical field of machinery base member and manufacturing, specifically, relate to a theftproof seal structure's screw.

Background

Screws are a common fixture, usually a threaded cylindrical rod-like headed object. The screw has a cylindrical portion with a thread at one end called a stud and a head at the other end called a screw head, and is screwed into the counter bore by a tool such as a wrench for fixing an object. Screws are generally made of metal, but screws used in special industries, such as electrical insulation or corrosion protection, also have various non-metallic materials.

Most of the screws sold in the market at present are provided with cross-shaped grooves on screw heads, and although the structure is simple, objects fixed outdoors are easy to be loosened by thieves with common screwdrivers and stolen. In order to prevent the above phenomena, people develop and develop a plurality of anti-theft screws or bolts, but practice proves that the anti-theft screws or bolts on the market at present often have the problems of relatively complex structure and higher cost, and some anti-theft screws also need to use special tools and are inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a theftproof seal structure's screw has solved on the market that the theftproof screw is made complicacy and problem that the cost is higher, moreover can not used repeatedly.

The technical scheme is as follows: the utility model provides a screw of theftproof seal structure, including screw body, locking screw, a set of locking Assembly and briquetting, screw body's one end is equipped with the screwhead, it is equipped with hexagon recess one on the terminal surface of screw body to keep away from on the screwhead, be equipped with recess one on screwhead and the screw body, the briquetting sets up in recess one to briquetting and a recess interference fit, a set of locking Assembly sets up on screw body to a set of locking Assembly is located a recess place radial cross section within range, a set of locking Assembly uses the center of screw body to set up according to annular array's mode as the centre of a circle, be equipped with the internal thread on the inner wall of recess one, a locking screw and a recess threaded connection, locking screw can promote the briquetting and compress tightly on a set of locking Assembly.

Furthermore, foretell theftproof seal structure's screw, locking Assembly includes check pin and spring one, be equipped with a set of through-hole one on the radial cross-section of screw body, through-hole one and recess one intercommunication, the tip that through-hole one is close to recess one is equipped with recess two, the one end setting of spring one is on the bottom surface of recess two to the spring one set is established on the check pin, the tip that recess one was kept away from to the check pin can stretch out through-hole one, and the tip that the check pin stretches out through-hole one sets up to the closed angle.

Furthermore, in the screw of the anti-theft sealing structure, the end part of the locking nail, which is positioned in the first groove, is provided with the first inclined surface, the lower end surface of the pressing block is provided with the second inclined surface, and the first inclined surface can be tightly attached to the second inclined surface.

Furthermore, according to the screw of the anti-theft sealing structure, the head of the screw of the locking screw is provided with the second hexagonal groove.

Further, according to the screw of the anti-theft sealing structure, the screw body is sleeved with the second spring and the gasket, the second spring is located between the gasket and the screw head, the gasket comprises the gasket and the group of gasket bodies, the gasket is annular, the group of gasket bodies are fixedly arranged on the inner wall of the gasket in an annular array mode, and the group of gasket bodies are obliquely arranged towards one side of the screw head.

Further, in the screw of the anti-theft sealing structure, a first gap is formed between the group of gasket bodies, and the section of each gasket body is in a fan shape.

Furthermore, foretell theftproof seal structure's screw, theftproof seal structure's screw still includes the blind rivet, the one end of blind rivet can stretch into recess one, the fixed handle that is equipped with of one end that the blind rivet lies in recess one, the tip that the blind rivet stretches into in the recess one is equipped with the pull block, the pull block can be connected with the briquetting.

Furthermore, according to the screw with the anti-theft sealing structure, the upper end face of the pressing block is provided with the rectangular groove, the upper end portion of the pressing block is internally provided with the circular clamping groove, the rectangular groove is communicated with the circular clamping groove, and the pulling block can penetrate through the rectangular groove and stretch into the circular clamping groove.

Furthermore, foretell theftproof seal structure's screw, be equipped with silica gel on the outer wall of briquetting, silica gel can laminate with the inner wall of recess one.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: anti-theft seal structure's screw, simple structure, it is reasonable, high durability and convenient use, application cost is low, adaptability is good, when this anti-theft seal structure's screw uses, operating personnel only need use ordinary hexagonal spanner clockwise rotation can accomplish the fastening operation, through the check lock nail with treat the cooperation between the locking part, an inserted fixed knot constructs the form, unless just can the back separate screw body and locking part under the condition of treating locking part destroying, need be connected with the briquetting through specific blind rivet, pull out the briquetting, just can carry out the unscrewing of screw body and dismantle, the setting through the check lock nail can make the theftproof of screw body have higher security, stability and reliability.

Drawings

Fig. 1 is a schematic structural view of a screw of the anti-theft sealing structure of the present invention;

fig. 2 is a first cross-sectional view of a screw of the anti-theft sealing structure of the present invention;

fig. 3 is a second cross-sectional view of the screw of the anti-theft sealing structure of the present invention;

fig. 4 is a schematic structural view of the blind rivet of the present invention during application;

fig. 5 is an enlarged view of a portion a of fig. 3 according to the present invention;

fig. 6 is a partial enlarged view of the utility model at B in fig. 4;

fig. 7 is a top view of a screw of the anti-theft sealing structure of the present invention;

fig. 8 is a schematic structural view of the gasket of the present invention;

fig. 9 is a schematic structural diagram of the pressing block of the present invention.

In the figure: the locking device comprises a screw body 1, a screw head 11, a first hexagonal groove 12, a first groove 13, an internal thread 14, a first through hole 15, a second spring 16, a gasket 17, a washer 171, a gasket body 172, a first gap 173, a locking screw 2, a second hexagonal groove 21, a locking assembly 3, a locking nail 31, a first spring 32, a second groove 33, a sharp corner 34, a first inclined surface 35, a pressing block 4, a second inclined surface 41, a rectangular groove 42, a circular clamping groove 43, silica gel 44, a pull nail 5, a handle 51 and a pull block 52.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

The screw of the anti-theft sealing structure shown in fig. 1-3, 5 and 7 comprises a screw body 1, a locking screw 2, a group of locking assemblies 3 and a pressing block 4, wherein a screw head 11 is arranged at one end of the screw body 1, a hexagonal groove I12 is arranged on the end surface, far away from the screw body 1, of the screw head 11 and the screw body 1, a groove I13 is arranged on the screw head 11 and the screw body 1, the pressing block 4 is arranged in the groove I13, the pressing block 4 is in interference fit with the groove I13, the group of locking assemblies 3 are arranged on the screw body 1, the group of locking assemblies 3 are located in the radial cross section range of the groove I13, the group of locking assemblies 3 are arranged in an annular array mode by taking the center of the screw body 1 as the center, an internal thread 14 is arranged on the inner wall of the groove I13, the locking screw 2 is in threaded connection with the groove I13, the locking screw 2 can push the pressing, and a second hexagonal groove 21 is formed in the head of the locking screw 2.

Wherein, locking Assembly 3 includes check pin 31 and spring 32, be equipped with a set of through-hole 15 on the 1 radial cross-section of screw body, through-hole 15 and recess 13 intercommunication, the tip that through-hole 15 is close to recess 13 is equipped with recess two 33, the one end setting of spring 32 is on the bottom surface of recess two 33 to spring 32 is established on check pin 31, the tip that recess 13 was kept away from to check pin 31 can stretch out through-hole 15, and the tip that through-hole 15 was stretched out to check pin 31 sets up to closed angle 34.

In addition, the end part of the locking nail 31 in the first groove 13 is provided with a first inclined surface 35, the lower end surface of the pressing block 4 is provided with a second inclined surface 41, and the first inclined surface 35 can be tightly pressed and attached to the second inclined surface 41.

As shown in fig. 8, the screw body 1 is sleeved with the second spring 16 and the shim 17, the second spring 16 is located between the shim 17 and the screw head 11, the shim 17 includes a washer 171 and a set of shim bodies 172, the washer 171 is circular, the set of shim bodies 172 are fixedly arranged on the inner wall of the washer 171 in an annular array, and the set of shim bodies 172 are obliquely arranged toward one side of the screw head 11. A first gap 173 is formed between the gasket bodies 172, and the cross section of each gasket body 172 is fan-shaped.

When the screw with the anti-theft sealing structure is used, firstly, the screw body 1 is screwed into a part to be locked through a hexagon wrench, at the moment, the locking nail 31 retracts into the screw body 1 under the action of external pressure, in the process that the screw body 1 is screwed into the screw continuously, the screw head 11 is pressed on the group of gasket bodies 172, along with the screwing of the screw body 1, the group of gasket bodies 172 can be pressed between the screw head 11 and the part connecting surface to be locked, after the screw body 1 is screwed into a specified length, the locking screw 2 is screwed into the groove I13, as the locking screw 2 is in threaded connection with the groove I13, the locking screw 2 gradually enters the groove I13 until the lower end surface of the locking screw 2 and the upper end surface of the pressing block 4 are screwed into the locking screw 2 continuously, the locking screw 2 pushes the pressing block 4 to move downwards, and the pressing block 4 pushes the locking nail 31 to move towards the outside of, and the sharp corner 34 of the locking nail 31 is inserted into the part to be locked, so that the screw body 1 is locked on the part to be locked, fastening connection is realized, and the screw body 1 cannot be easily unscrewed under the condition of no special tool, so that the screw body 1 is separated from the part to be locked.

Example two

The screw of the anti-theft sealing structure shown in fig. 4 and 6 further comprises a blind rivet 5, one end of the blind rivet 5 can extend into the first groove 13, a handle 51 is fixedly arranged at one end of the blind rivet 5 located outside the first groove 13, a pull block 52 is arranged at the end of the blind rivet 5 extending into the first groove 13, and the pull block 52 can be connected with the pressing block 4.

As shown in fig. 9, a rectangular groove 42 is formed in the upper end surface of the pressing block 4, a circular locking groove 43 is formed in the upper end portion of the pressing block 4, the rectangular groove 42 is communicated with the circular locking groove 43, and the pulling block 52 can penetrate through the rectangular groove 42 and extend into the circular locking groove 43. And silica gel 44 is arranged on the outer wall of the pressing block 4, and the silica gel 44 can be attached to the inner wall of the first groove 13.

When the screw body 1 needs to be disassembled, the special blind rivet 5 is taken, the locking screw 2 is screwed out of the screw body 1 firstly, then the blind rivet 5 is inserted into the first groove 13, the pull block 52 passes through the rectangular groove 42 and rotates, the pull block 52 is clamped with the circular clamping groove 43, the blind rivet 5 is pulled upwards, meanwhile, the pressing block 4 is driven to move outwards, the locking screw 31 is separated from the locking screw 4 under the action of the elastic restoring force of the first spring 32, the screw body 1 retracts into the screw body 1, the screw body 1 is unscrewed through the hexagon wrench at the moment, and the disassembly is completed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a screw of theftproof seal structure which characterized in that: the screw comprises a screw body (1), a locking screw (2), a group of locking assemblies (3) and a pressing block (4), wherein a screw head (11) is arranged at one end of the screw body (1), a hexagonal groove I (12) is formed in the end face, far away from the screw body (1), of the screw head (11) and the screw body (1), a groove I (13) is formed in the screw head (11), the pressing block (4) is arranged in the groove I (13), the pressing block (4) is in interference fit with the groove I (13), the group of locking assemblies (3) are arranged on the screw body (1), the group of locking assemblies (3) are located in the radial cross section range where the groove I (13) is located, the group of locking assemblies (3) are arranged in an annular array mode with the center of the screw body (1) as the center of a circle, and internal threads (14) are formed in the inner wall of the groove I (13), the locking screw (2) is in threaded connection with the first groove (13), and the locking screw (2) can push the pressing block (4) to be pressed on the group of locking assemblies (3).

2. The screw of an anti-theft sealing structure according to claim 1, characterized in that: locking Assembly (3) are including check pin (31) and spring (32), be equipped with a set of through-hole (15) on screw body (1) radial cross-section, through-hole (15) and recess (13) intercommunication, the tip that through-hole (15) are close to recess (13) is equipped with recess two (33), the one end setting of spring (32) is on the bottom surface of recess two (33) to spring (32) cover is established on check pin (31), the tip that recess (13) were kept away from in check pin (31) can stretch out through-hole (15) to the tip that through-hole (15) were stretched out in check pin (31) sets up to closed angle (34).

3. The screw of an anti-theft sealing structure according to claim 2, characterized in that: the end part of the locking nail (31) located in the first groove (13) is provided with a first inclined surface (35), the lower end face of the pressing block (4) is provided with a second inclined surface (41), and the first inclined surface (35) can be tightly attached to the second inclined surface (41).

4. The screw of an anti-theft sealing structure according to claim 1, characterized in that: and a hexagonal groove II (21) is arranged on the screw head of the locking screw (2).

5. The screw of an anti-theft sealing structure according to claim 1, characterized in that: the cover is equipped with two (16) of spring and gasket (17) on screw body (1), two (16) of spring are located between gasket (17) and screwhead (11), gasket (17) are including packing ring (171) and a set of gasket body (172), packing ring (171) are ring shape, a set of gasket body (172) are fixed the setting on the inner wall of packing ring (171) with annular array's mode to a set of gasket body (172) set up towards one side slope of screwhead (11).

6. The screw of an anti-theft sealing structure according to claim 5, characterized in that: a first gap (173) is formed between the gasket bodies (172), and the cross section of each gasket body (172) is fan-shaped.

7. The screw of an anti-theft sealing structure according to claim 1, characterized in that: the screw of the anti-theft sealing structure further comprises a blind rivet (5), one end of the blind rivet (5) can extend into the first groove (13), a handle (51) is fixedly arranged at one end, located outside the first groove (13), of the blind rivet (5), a pull block (52) is arranged at the end portion, extending into the first groove (13), of the blind rivet (5), and the pull block (52) can be connected with the pressing block (4).

8. The screw of an anti-theft sealing structure according to claim 7, characterized in that: the upper end face of briquetting (4) is equipped with rectangle recess (42), be equipped with circular draw-in groove (43) in the upper end of briquetting (4), rectangle recess (42) and circular draw-in groove (43) intercommunication, draw in block (52) can pass rectangle recess (42) and stretch into circular draw-in groove (43).

9. The screw of an anti-theft sealing structure according to claim 1, characterized in that: and silica gel (44) is arranged on the outer wall of the pressing block (4), and the silica gel (44) can be attached to the inner wall of the first groove (13).