CN210799676U

CN210799676U - Check bolt for furniture

Info

Publication number: CN210799676U
Application number: CN201921282845.9U
Authority: CN
Inventors: 秦建军
Original assignee: Jiaxing Kaishun Technology Co ltd
Current assignee: Jiaxing Kaishun Technology Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-06-19
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a furniture check bolt, which comprises a screw head, a transition section, a polished rod section, a threaded section, a check spring, a check washer and a lock nut, wherein the bottom center of the screw head is provided with the transition section, the bottom end of the transition section is provided with the polished rod section, the bottom end of the polished rod section is provided with the threaded section, the outside of the threaded section is sleeved with the check washer and the lock nut, the lock nut is positioned below the check washer, the check spring is arranged between the check washer and the bottom end of the transition section, compared with the prior art, the utility model has simple structure and reasonable design, the axial vibration of the bolt is absorbed by the lock spring through the mode of arranging the check spring and the check washer, so that the bolt is not easy to loose in the use process, the check washer is matched with the lock nut, the locking performance and the check performance of the bolt are greatly enhanced, and the long-, thereby prolonging the service life of the furniture and being worth popularizing.

Description

Check bolt for furniture

[ technical field ] A method for producing a semiconductor device

The utility model relates to a fastener technical field, especially a check bolt for furniture.

[ background of the invention ]

The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, and are the most widely applied mechanical basic parts.

In modern furniture, the figure of bolt fastener is also visible everywhere, but bolt for current furniture is mostly ordinary connecting bolt, does not possess locking function, and locking effect is poor, and stability is low, can not guarantee the stability of connecting for a long time, in the daily use of furniture and handling, appears bolted connection not hard up phenomenon easily, destroys the structural integrity of furniture, influences the life and the result of use of furniture, consequently, needs to propose a check bolt for furniture.

[ Utility model ] content

The utility model discloses an aim at is solving the problem among the prior art, provides a locking bolt for furniture, the utility model discloses simple structure, reasonable in design, through the mode that sets up locking spring and locking gasket, borrow by locking spring absorption bolt axial vibrations for this bolt is difficult for appearing becoming flexible in the use, and locking gasket cooperation lock nut has strengthened the locking performance and the locking performance of bolt greatly, has guaranteed bolted connection's long-term reliability, and then has increased the life of furniture, is worth promoting.

In order to realize the above-mentioned purpose, the utility model provides a locking bolt for furniture, including spiral shell head, changeover portion, polished rod section, screw thread section, locking spring, check washer and lock nut, the bottom center department of spiral shell head is equipped with the changeover portion, the changeover portion bottom is equipped with the polished rod section, polished rod section bottom is equipped with the screw thread section, screw thread section outside cover is equipped with check washer and lock nut, lock nut is located the check washer below, be equipped with locking spring between check washer and the changeover portion bottom.

Preferably, the top of spiral shell head is an arc head that has the horizontal plane, be equipped with the cross recess on the horizontal plane, the edge of cross recess is tangent with the arc limit of horizontal plane, still be equipped with on the perpendicular channel of cross recess and cut the slot, the binding off of cutting the slot is the inverted triangle-shaped, the bottom of spiral shell head is equipped with first anti-skidding line, first anti-skidding line is coarse dull polish decorative pattern, first anti-skidding line inboard is equipped with first recess, first recess is the arc groove, the tank bottom of first recess links to each other with the top of changeover portion.

Preferably, the transition section is a cylindrical section with a large middle and two small sides, the diameter of the top of the transition section is larger than that of the bottom of the transition section, and the diameter of the bottom of the transition section is larger than that of the polished rod section. The diameter of the polished rod section is the same as that of the threaded section.

Preferably, the anti-loosening spring is a compression spring, the original length of the anti-loosening spring is larger than the length of the polished rod section, the outer diameter of the anti-loosening spring is equal to or slightly smaller than the diameter of the bottom of the transition section, and the inner diameter of the anti-loosening spring is larger than the diameter of the polished rod section.

As preferred, the locking gasket includes through-hole, second recess, locking tooth and second anti-skidding line, the center department of locking gasket is equipped with the through-hole, the diameter of through-hole slightly is greater than the diameter of screw thread section, the upper surface of locking gasket is equipped with the second recess, the second recess is located the through-hole outside, the second recess is flat circular slot, the diameter of second recess will be greater than the spring external diameter of locking spring, the second recess outside is equipped with a plurality of locking teeth, the bottom of locking gasket is equipped with second anti-skidding line, second anti-skidding line is coarse dull polish decorative pattern.

Preferably, the locking teeth are distributed in a circular shape along the outer contour of the second groove, the thickness of the locking teeth is gradually increased from inside to outside, the number of the locking teeth is at least 24, and the whole locking teeth are in a turbine blade shape.

Preferably, the screw head, the transition section, the polished rod section and the screw thread section are designed in an integrated manner.

The utility model has the advantages that: the utility model discloses a mode of setting up locking spring and locking gasket borrows by the axial vibrations of locking spring absorption bolt for this bolt is difficult for appearing not hard up in the use, and locking gasket cooperation lock nut has strengthened the locking performance and the locking performance of bolt greatly, has guaranteed bolted connection's long-term reliability, and then has increased the life of furniture, is worth promoting.

[ description of the drawings ]

Fig. 1 is a schematic structural view of the anti-loosening bolt for furniture of the present invention.

Fig. 2 is a schematic structural view of a screw head in a check bolt for furniture.

Fig. 3 is a schematic structural view of a lock washer in the lock bolt for furniture.

In the figure: 1-screw head, 11-horizontal plane, 12-cross groove, 13-cutting groove, 14-first anti-slip thread, 15-first groove, 2-transition section, 3-polished rod section, 4-screw section, 5-anti-slip spring, 6-anti-slip gasket, 61-through hole, 62-second groove, 63-anti-slip tooth, 64-second anti-slip thread and 7-locking nut.

[ detailed description ] embodiments

Referring to the drawings, the utility model relates to a lockbolt for furniture, including spiral shell head 1, changeover portion 2, polished rod section 3, screw thread section 4, locking spring 5, locking washer 6 and lock nut 7, the bottom center department of spiral shell head 1 is equipped with

changeover portion

2, 2 bottoms of changeover portion are equipped with polished

rod section

3, 3 bottoms of polished rod section are equipped with

screw thread section

4, 4 outside covers in the screw thread section are equipped with locking washer 6 and lock nut 7, lock nut 7 is located locking washer 6 below, be equipped with locking spring 5 between locking washer 6 and the 2 bottoms of changeover portion.

Wherein, the top of spiral shell head 1 is the circular arc head that has horizontal plane 11, be equipped with cross slot 12 on the horizontal plane 11, the edge of cross slot 12 is tangent with the circular arc limit of horizontal plane 11, still be equipped with on the perpendicular channel of cross slot 12 and cut slot 13, the binding off of cutting slot 13 is the triangle-shaped of falling, the bottom of spiral shell head 1 is equipped with first anti-skidding line 14, first anti-skidding line 14 is coarse dull polish decorative pattern, first anti-skidding line 14 inboard is equipped with first recess 15, first recess 15 is the circular arc groove, the tank bottom of first recess 15 links to each other with the top of changeover portion 2.

The transition section 2 is a cylindrical section with a large middle and two small sides, the diameter of the top of the transition section 2 is larger than that of the bottom of the transition section, and the diameter of the bottom of the transition section 2 is larger than that of the polished rod section 3. The diameter of the polished rod section 3 is the same as that of the threaded section 4.

The anti-loosening spring 5 is a compression spring, the anti-loosening spring 5 is such that the original length of the anti-loosening spring 5 is larger than the length of the polished rod section 3, the outer diameter of the spring of the anti-loosening spring 5 is equal to or slightly smaller than the diameter of the bottom of the transition section 2, and the inner diameter of the spring of the anti-loosening spring 5 is larger than the diameter of the polished rod section 3.

Wherein, locking gasket 6 includes through-hole 61, second recess 62, locking tooth 63 and second anti-skidding line 64, the center department of locking gasket 6 is equipped with through-hole 61, the diameter of through-hole 61 slightly is greater than the diameter of screw thread section 4, the upper surface of locking gasket 6 is equipped with second recess 62, second recess 62 is located the through-hole 61 outside, second recess 62 is flat circular slot, the diameter of second recess 62 will be greater than locking spring 5's spring external diameter, the second recess 62 outside is equipped with a plurality of locking teeth 63, the bottom of locking gasket 6 is equipped with second anti-skidding line 64, second anti-skidding line 64 is coarse dull polish pattern.

The locking teeth 63 are distributed in a circular shape along the outer contour of the second groove 62, the thickness of the locking teeth 63 is gradually increased from inside to outside, the number of the locking teeth 63 is at least 24, and the locking teeth 63 are integrally in a turbine blade shape.

Wherein, the screw head 1, the transition section 2, the polish rod section 3 and the thread section 4 are designed into a whole.

The utility model discloses a working process:

the utility model relates to a furniture check bolt, which can firstly install a check spring 5 on a polished rod section 3 in the working process, then inserting the bolt into the mounting hole, sequentially mounting the anti-loosening gasket 6 and the locking nut 7 on the threaded section 4, gradually screwing the locking nut 7 until the bolt group is fixed on the mounting piece, finally screwing the bolt forcibly by using a cross screwdriver to match with the cross slot 12 to complete the mounting, compared with the prior art, the utility model, by arranging the anti-loosening spring 5 and the anti-loosening gasket 6, absorbs the axial vibration of the bolt by the anti-loosening spring 5, so that the bolt is not easy to loosen in the use process, and the locking washer 6 is matched with the locking nut 7, so that the locking performance and the locking performance of the bolt are greatly enhanced, the long-term reliability of bolt connection is ensured, the service life of furniture is prolonged, and the furniture is worthy of popularization.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The utility model provides a lockbolt for furniture which characterized in that: including spiral shell head (1), changeover portion (2), polished rod section (3), screw thread section (4), locking spring (5), locking gasket (6) and lock nut (7), the bottom center department of spiral shell head (1) is equipped with changeover portion (2), changeover portion (2) bottom is equipped with polished rod section (3), polished rod section (3) bottom is equipped with screw thread section (4), screw thread section (4) outside cover is equipped with locking gasket (6) and lock nut (7), lock nut (7) are located locking gasket (6) below, be equipped with locking spring (5) between locking gasket (6) and changeover portion (2) bottom.

2. A check bolt for furniture as claimed in claim 1, wherein: the top of spiral shell head (1) is a circular arc head that has horizontal plane (11), be equipped with cross slot (12) on horizontal plane (11), the edge of cross slot (12) is tangent with the circular arc limit of horizontal plane (11), still be equipped with on the perpendicular channel of cross slot (12) and cut slot (13), the binding off of cutting slot (13) is triangle-shaped, the bottom of spiral shell head (1) is equipped with first anti-skidding line (14), first anti-skidding line (14) are coarse dull polish decorative pattern, first anti-skidding line (14) inboard is equipped with first recess (15), first recess (15) are the circular arc groove, the tank bottom of first recess (15) links to each other with the top of changeover portion (2).

3. A check bolt for furniture as claimed in claim 1, wherein: the transition section (2) is a cylindrical section with a large middle part and two small sides, the diameter of the top of the transition section (2) is larger than that of the bottom of the transition section, the diameter of the bottom of the transition section (2) is larger than that of the polished rod section (3), and the diameter of the polished rod section (3) is the same as that of the threaded section (4).

4. A check bolt for furniture as claimed in claim 1, wherein: locking spring (5) are compression spring, locking spring (5) do, the original length of locking spring (5) will be greater than the length of polished rod section (3), the spring external diameter of locking spring (5) equals or slightly is less than the diameter of changeover portion (2) bottom, the spring internal diameter of locking spring (5) will be greater than the diameter of polished rod section (3).

5. A check bolt for furniture as claimed in claim 1, wherein: locking gasket (6) include through-hole (61), second recess (62), locking tooth (63) and second anti-skidding line (64), the center department of locking gasket (6) is equipped with through-hole (61), the diameter of through-hole (61) slightly is greater than the diameter of screw thread section (4), the upper surface of locking gasket (6) is equipped with second recess (62), second recess (62) are located the through-hole (61) outside, second recess (62) are flat circular slot, the diameter of second recess (62) will be greater than the spring external diameter of locking spring (5), second recess (62) outside is equipped with a plurality of locking teeth (63), the bottom of locking gasket (6) is equipped with second anti-skidding line (64), second anti-skidding line (64) are coarse dull polish pattern.

6. A check bolt for furniture as claimed in claim 5, wherein: the locking tooth (63) is circular along the outline of second recess (62) and distributes, the thickness of locking tooth (63) increases from inside to outside gradually, the quantity of locking tooth (63) is 24 at least, locking tooth (63) wholly is turbine blade form.

7. A check bolt for furniture as claimed in any one of claims 1 to 6, wherein: the screw head (1), the transition section (2), the polish rod section (3) and the screw thread section (4) are designed in an integrated manner.