CN217976932U

CN217976932U - Fastener convenient to installation and dismantlement

Info

Publication number: CN217976932U
Application number: CN202120146955.3U
Authority: CN
Inventors: 许创鸿
Original assignee: Baoding Feigao Dongfang Chair Industry Co ltd
Current assignee: Baoding Feigao Dongfang Chair Industry Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2022-12-06
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a fastener convenient to installation and dismantlement, including the depression bar, be provided with the plane that runs through the depression bar along its length direction on the side of depression bar, the eccentric connecting rod one that is provided with of one end of depression bar, the eccentric connecting rod two that is provided with of the other end of depression bar, connecting rod one and plane non-intersect, the side of connecting rod two is tangent with the plane, the one end that the depression bar was kept away from to connecting rod two is provided with the baffle, connecting rod one and two coaxial settings of connecting rod. The utility model adopts the fastener with the structure, which can solve the problem that the existing fastening structure is inconvenient to install and disassemble and avoid the risk of screw and screw sliding and thread slipping caused by repeated disassembly; has the advantage of quick locking.

Description

Fastener convenient to installation and dismantlement

Technical Field

The utility model relates to a fastening structure especially relates to a fastener convenient to installation and dismantlement that need not the nut.

Background

In the process of producing and assembling the seat, most of the seat can select the locking mode of the screw or the threaded rod, there are a number of disadvantages and drawbacks in their own right. When a single screw is locked, a plurality of tools are needed to apply force to the single screw, so that the single screw is difficult to install and disassemble; and meanwhile, the screw rod is assembled and disassembled for many times, so that the screw rod has the risk of thread sliding and thread sliding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fastener convenient to installation and dismantlement solves current fastening structure and wastes time and energy, inconvenient installation and the problem of dismantling to avoided there being the risk of the smooth thread of screw rod slip knot after dismantling many times.

In order to realize the above-mentioned purpose, the utility model provides a fastener convenient to installation and dismantlement, including the depression bar, be provided with the plane that runs through the depression bar along its length direction on the side of depression bar, the eccentric connecting rod one that is provided with of one end of depression bar, the eccentric connecting rod two that is provided with of the other end of depression bar, connecting rod one and plane non-intersect, the side and the plane of connecting rod two are tangent, the one end that the depression bar was kept away from to connecting rod two is provided with the baffle, connecting rod one and the coaxial setting of connecting rod two.

Preferably, the baffle is of a regular hexagon structure, and the surface of the baffle is provided with a marking line which is perpendicular to a plane penetrating through the pressure rod.

Preferably, the second connecting rod is of a cylindrical structure and is coaxially arranged with the center of the baffle.

Preferably, the axis of the pressure lever deviates from the axis of the second connecting rod, and the radius of the pressure lever is the same as that of the second connecting rod.

Preferably, the radius of the first connecting rod is not larger than that of the second connecting rod.

Preferably, the height of the pressure lever is 10mm, the radius of the first connecting rod is 4mm, and the radius of the second connecting rod is 6mm.

Preferably, the pressure lever comprises a first support rod and a second support rod, a clamping groove is formed in one end, close to the second support rod, of the first support rod, a clamping head matched with the clamping groove is arranged at one end, close to the first support rod, of the second support rod, and the first support rod and the second support rod are clamped with the clamping groove through the clamping head; strong magnets are arranged at the bottom end of the clamping groove of the first supporting rod and the head end of the clamping head of the second supporting rod; a locking structure is arranged between the first support rod and the second support rod.

Preferably, the locking structure comprises a clamping pin arranged on the clamping head, a clamping hole matched with the clamping pin is formed in the clamping groove, and an operation hole communicated with the clamping hole is formed in the outer side surface of the first support rod; a mounting groove for placing the bayonet lock is arranged on the chuck, a limiting plate for preventing the bayonet lock from slipping from the mounting groove is arranged at one end of the bayonet lock in the mounting groove, a sliding block arranged on the limiting plate is matched with a sliding groove arranged on the mounting groove, and the sliding block is arranged in the sliding groove and is in sliding connection with the sliding groove; and a spring is arranged between the limiting plate and the bottom of the mounting groove.

Preferably, the clamping hole is a circular truncated cone-shaped structure with a large aperture close to the end of the clamping groove, and the aperture of the operation hole is smaller than the diameter of the clamping pin.

Preferably, the clamping groove is provided with a limiting groove, the end of the clamping head is provided with a limiting block matched with the limiting groove, the limiting block is located in the limiting groove and is in sliding connection with the limiting groove, and the clamping hole is formed in the limiting groove.

The utility model discloses a fastener convenient to install and dismantle, through the eccentric setting connecting rod one and connecting rod two respectively in depression bar both ends, make it dismantle fixed convenient fast, only need rotate 180 degrees at most; the plane penetrating through the compression bar is arranged on the side face of the compression bar along the length direction of the compression bar, so that the compression bar is effectively prevented from rotating easily, and the effect of locking can be achieved without adopting nuts for screwing. The compression bar is composed of a first support bar and a second support bar which are spliced, and the length of the compression bar can be adjusted, so that the compression bar can meet the fastening requirements of assembly parts with different widths.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a fastener of the present invention for easy installation and removal;

fig. 2 is an isometric side view of an embodiment of a fastener of the present invention for easy installation and removal;

FIG. 3 is a schematic front view of an embodiment of a fastener of the present invention for easy installation and removal;

FIG. 4 is a schematic side view of an embodiment of a fastener of the present invention for easy installation and removal;

FIG. 5 is a schematic view of an installation structure of an embodiment of a fastener of the present invention for easy installation and removal;

FIG. 6 is a schematic view of an embodiment of a fastener of the present invention, shown installed and removed;

FIG. 7 is a schematic view of a first and second strut connection structure of an embodiment of a fastener of the present invention for easy installation and removal;

fig. 8 is a schematic view of a side view of a second supporting rod of the embodiment of the fastening device convenient for installation and disassembly.

Reference numerals

1. A first connecting rod; 2. a pressure lever; 3, connecting a rod II; 4. marking a line; 5. a baffle plate; 6. a gasket; 7. a fixing hole; 8. an assembly member; 9. a plane; 10. a first support rod; 11. a second supporting rod; 12. clamping a head; 13. a limiting groove; 14. a limiting block; 15. a magnet; 16. a bayonet lock; 17. a limiting plate; 18. a chute; 19. a spring; 20. clamping holes; 21. and (6) operating the hole.

Detailed Description

Example one

Fig. 1 is the utility model relates to a structural schematic diagram of fastener embodiment convenient to installation and dismantlement, fig. 2 are the utility model relates to a fastener embodiment's isometric side-looking structural schematic diagram convenient to installation and dismantlement, fig. 3 is the utility model relates to a fastener embodiment's front structural schematic diagram convenient to installation and dismantlement, fig. 4 the utility model relates to a side structural schematic diagram of fastener embodiment convenient to installation and dismantlement. As shown in the figure, the fastener convenient to mount and dismount comprises a pressing rod 2, a plane 9 penetrating through the pressing rod is arranged on the side face of the pressing rod 2 along the length direction of the pressing rod, and the plane 9 is formed by cutting off an arched block with the height of 2mm on the cylindrical pressing rod 2 along the length direction of the pressing rod 2. One end of the pressure lever 2 is eccentrically and fixedly provided with a first connecting rod 1, and the other end of the pressure lever 2 is eccentrically and fixedly provided with a second connecting rod 3. The first connecting rod 1 does not intersect with the plane 9, and the side face of the first connecting rod 1 is tangent to the side face, far away from the plane 9, of the pressure rod 2. The side face of the second connecting rod 3 is tangent to the plane 9, and the first connecting rod 1 and the second connecting rod 3 are coaxially arranged.

One end of the second connecting rod 3, far away from the pressing rod, is provided with a baffle 5, the baffle 5 is of a regular hexagon structure, and the baffle 5 has a blocking effect on sliding of the whole fastener. In addition, the baffle 5 with the hexagonal structure can provide a force application point, and the whole fastener can be conveniently driven to rotate through the baffle 5 by means of tools such as a wrench. The marking line 4 is arranged on the surface of the baffle 5, the marking line 4 is perpendicular to a plane 9 penetrating through the pressure rod 2, and more preferably, the marking line 4 is perpendicular to the central line of the plane 9, so that the position of the plane 9 can be observed conveniently through the marking line 4. The second connecting rod 3 is of a cylindrical structure, and the second connecting rod 3 and the baffle 5 are coaxially arranged in the center. The radius of the pressure lever 2 is equal to that of the connecting rod II 3. The radius of the first connecting rod 1 is smaller than that of the second connecting rod 3. In the embodiment, the radius of the second connecting rod 3 is 6mm, the height of the compression bar 2 is 10mm, and the radius of the first connecting rod 1 is 4mm.

Example two

Fig. 7 is the utility model relates to a first and two connection structure schematic diagrams of branch of fastener embodiment convenient to installation and dismantlement, fig. 8 is the utility model relates to a second structural schematic diagram that looks sideways at of branch of fastener embodiment convenient to installation and dismantlement. As shown in the figure, the strut 2 includes a first strut 10 and a second strut 11, the first strut 10 and the second strut 11 have the same outer diameter, and the plane 9 on the first strut 10 and the plane 9 on the second strut 11 are located in the same plane 9. One end of the first support rod 10, which is close to the second support rod 11, is provided with a clamping groove, one end of the second support rod 11, which is close to the first support rod 10, is provided with a clamping head 12 matched with the clamping groove, and the first support rod 10 and the second support rod 11 are clamped with the clamping groove through the clamping head 12. And strong magnets 15 are arranged at the bottom end of the clamping groove of the first supporting rod 10 and the end of the clamping head 12 of the second supporting rod 11. The magnet 15 on the clamping head 12 is coaxial with the clamping head 12, and the magnet 15 on the clamping groove is coaxial with the clamping groove. The first support rod 10 and the second support rod 11 are attracted together through a strong magnet 15, and the first support rod 10 is tightly connected with the second support rod 11.

And a locking structure is arranged between the first support rod 10 and the second support rod 11. The locking structure comprises a clamping pin 16 arranged on the clamping head 12, a clamping hole 20 matched with the clamping pin 16 is formed in the clamping groove, and an operating hole 21 communicated with the clamping hole 20 is formed in the outer side face of the first support rod 10. The clamping hole 20 is a truncated cone-shaped structure with a large aperture diameter close to the end of the clamping groove, so that the clamping pin 16 can conveniently slide into or out of the clamping hole 20. The aperture of the operation hole 21 is smaller than the diameter of the bayonet 16, and the operation hole 21 has a blocking effect on the bayonet 16, so that the bayonet 16 is prevented from sliding out of the operation hole 21 to influence the rotation of the pressure rod 2. The access hole 21 is configured to facilitate pressure on the bayonet 16 to slide the bayonet 16 out of the bayonet hole 20. The chuck 12 is provided with a mounting groove for placing the bayonet 16, and one end of the bayonet 16 positioned in the mounting groove is provided with a limiting plate 17 for preventing the bayonet 16 from slipping from the mounting groove. The sliding block arranged on the limiting plate 17 is matched with the sliding groove 18 arranged on the mounting groove, and the sliding block is positioned in the sliding groove 18 and is in sliding connection with the sliding groove 18. The slider and runner 18 guide the sliding movement of the detent 16. A spring 19 is arranged between the limiting plate 17 and the bottom of the mounting groove, the spring 19 applies elastic force to the clamping pin 16, the clamping pin 16 is clamped into the clamping hole 20, and locking between the first support rod 10 and the second support rod 11 is achieved.

The clamping groove is provided with a limiting groove 13, the end of the clamping head 12 is provided with a limiting block 14 matched with the limiting groove 13, and the limiting block 14 is located in the limiting groove 13 and is in sliding connection with the limiting groove 13. The limiting groove 13 and the limiting block 14 can prevent the first support rod 10 and the second support rod 11 from rotating relatively. The chucking holes 20 are provided on the stopper groove 13. The limit blocks 14 are arranged to avoid the plane 9 of the second support rod 11, and the number of the limit blocks 14 is three in the embodiment. Two clamping pins 16 are arranged on the same cross section of the clamping head 12, and an included angle between the two clamping pins 16 is 180 degrees, so that the locking stability of the first support rod 10 and the second support rod 11 is improved.

A plurality of clamping holes 20 can be formed in the length direction of the clamping groove as required, and the length of the pressing rod 2 can be adjusted conveniently, so that the pressing rod 2 can meet the fastening requirements of assembling parts 8 with different widths.

Fig. 5 is the utility model relates to a mounting structure schematic diagram of fastener embodiment convenient to installation and dismantlement, fig. 6 is the utility model relates to a schematic diagram is accomplished in installation of fastener embodiment convenient to installation and dismantlement. As shown in the figure, when the fastener with the above structure is inserted into the fixing holes 7, the diameters of the two fixing holes 7 correspond to the diameter of the first connecting rod 1 and the diameter of the second connecting rod 3 one by one, wherein the diameter of one fixing hole 7 is slightly larger than the diameter of the first connecting rod 1, and the diameter of the other fixing hole 7 is slightly larger than the diameter of the second connecting rod 3. The marking line 4 is upward, the plane of the pressure rod 2 is upward, and a gasket 6 is arranged below the pressure rod 2 for enhancing the fastening degree of the pressure rod. The baffle 5 is rotated 180 degrees by using an external hexagonal wrench, the marking line 4 is downward, the plane of the pressure rod 2 is contacted with the gasket 6 to form a stable fastening structure, and the assembly part 8 is locked. The plane 9 in the pressure lever 2 can effectively prevent the pressure lever 2 from easily rotating, and can play a role in locking without adopting a nut to tighten. When the width of the assembly part 8 to be locked is wider, the first support rod 10 and the second support rod 11 are pulled, and the length of the compression bar 2 is adjusted according to the required length.

Therefore, the fastener adopting the structure can be fastened by a single tool, is convenient and quick to disassemble and install, can effectively solve the problems of time and labor waste and inconvenient installation and disassembly of the conventional fastening structure, and avoids the risk of screw and screw sliding and thread slipping caused by repeated disassembly; the length of the pressing rod can be adjusted according to the width of the assembly part, and the adaptability of the pressing rod is improved; has the advantage of quick locking.

The above is the specific implementation manner of the present invention, and the protection scope of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by a person skilled in the art within the technical scope of the present invention are also covered by the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.

Claims

1. The utility model provides a fastener convenient to installation and dismantlement which characterized in that: the pressing rod comprises a pressing rod, a plane penetrating through the pressing rod is arranged on the side face of the pressing rod along the length direction of the pressing rod, a first connecting rod is eccentrically arranged at one end of the pressing rod, a second connecting rod is eccentrically arranged at the other end of the pressing rod, the first connecting rod is not intersected with the plane, the side face of the second connecting rod is tangent to the plane, a baffle is arranged at one end, far away from the pressing rod, of the second connecting rod, and the first connecting rod and the second connecting rod are coaxially arranged.

2. A fastener for facilitating installation and removal according to claim 1, wherein: the baffle is of a regular hexagon structure, and the surface of the baffle is provided with a marking line which is perpendicular to a plane penetrating through the pressure rod.

3. A fastener for facilitating installation and removal according to claim 1, wherein: the second connecting rod is of a cylindrical structure and is coaxial with the center of the baffle.

4. A fastener for facilitating installation and removal according to claim 1, wherein: the axis of the pressure lever deviates from the axis of the second connecting rod, and the radius of the pressure lever is the same as that of the second connecting rod.

5. A fastener for facilitating installation and removal according to claim 1, wherein: the radius of the first connecting rod is not larger than that of the second connecting rod.

6. A fastener for facilitating installation and removal according to claim 1, wherein: the height of the pressure lever is 10mm, the radius of the first connecting rod is 4mm, and the radius of the second connecting rod is 6mm.

7. A fastener for facilitating installation and removal of a fastener according to claim 1, wherein: the pressure rod comprises a first support rod and a second support rod, a clamping groove is formed in one end, close to the second support rod, of the first support rod, a clamping head matched with the clamping groove is arranged at one end, close to the first support rod, of the second support rod, and the first support rod and the second support rod are clamped with the clamping groove through the clamping head; strong magnets are arranged at the bottom end of the clamping groove of the first supporting rod and the head end of the clamping head of the second supporting rod; a locking structure is arranged between the first support rod and the second support rod.

8. A fastener for facilitating installation and removal of a fastener according to claim 7, wherein: the locking structure comprises a clamping pin arranged on the clamping head, a clamping hole matched with the clamping pin is formed in the clamping groove, and an operation hole communicated with the clamping hole is formed in the outer side surface of the first support rod; the clamping head is provided with a mounting groove for placing the clamping pin, one end of the clamping pin, which is positioned in the mounting groove, is provided with a limiting plate for preventing the clamping pin from slipping from the mounting groove, a sliding block arranged on the limiting plate is matched with a sliding groove arranged on the mounting groove, and the sliding block is positioned in the sliding groove and is in sliding connection with the sliding groove; and a spring is arranged between the limiting plate and the bottom of the mounting groove.

9. A fastener for facilitating installation and removal of a fastener according to claim 8, wherein: the clamping hole is of a round table structure close to the end of the clamping groove, and the aperture of the operation hole is smaller than the diameter of the clamping pin.

10. A fastener for facilitating installation and removal according to claim 7, wherein: the clamping groove is provided with a limiting groove, the end of the clamping head is provided with a limiting block matched with the limiting groove, the limiting block is located in the limiting groove and is in sliding connection with the limiting groove, and the clamping hole is formed in the limiting groove.