CN213298550U

CN213298550U - Waterproof bolt and nut structure

Info

Publication number: CN213298550U
Application number: CN202021820474.8U
Authority: CN
Inventors: 马志宽
Original assignee: Ma Pengtao; Dongguan Weinafu Lubrication Technology Co ltd; Xian XD Switchgear Electric Co Ltd
Current assignee: Ma Pengtao; Dongguan Weinafu Lubrication Technology Co ltd; Xian XD Switchgear Electric Co Ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-05-28
Anticipated expiration: 2030-08-26

Abstract

The utility model belongs to the technical field of the fastener technique and specifically relates to indicate a waterproof bolt nut structure, including bolt, nut and block, the screw rod threaded connection of nut and bolt, outside the nut was located to the block lid, it has first waterproof glue to fill between the screw rod of nut and bolt between block and the nut, the through-hole has been seted up to the one end of block, the through-hole communicates with the inner chamber of block, the through-hole is used for supplying the screw rod of bolt to stretch out outside the block suddenly, the nut enclosing cover of bolt is equipped with waterproof cap. The utility model has the advantages of simple structure, it is low with use cost to make, possesses good waterproof function, long service life.

Description

Waterproof bolt and nut structure

Technical Field

The utility model belongs to the technical field of the fastener technique and specifically relates to indicate a waterproof bolt nut structure.

Background

A bolt is a mechanical part, and a cylindrical threaded fastener matched with a nut. The bolt is a fastener consisting of a nut and a screw, and needs to be matched with the nut and used for fastening and connecting two parts with through holes. This type of connection is called a bolted connection, where the two parts can be separated if the nut is unscrewed from the bolt, so that the bolted connection is a detachable connection. The bolt is indispensable in daily life and in the manufacturing of industrial production, and the bolt is also called industrial rice, and the application of bolt is wide, and the application range of bolt has: electronic products, mechanical products, digital products, electrical equipment, electromechanical products and the like. However, the existing bolt connection does not have a waterproof function, is easy to cause water seepage, and does not meet the waterproof requirements of certain specific use scenes. Therefore, the drawbacks are obvious, and a solution is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a waterproof bolt nut structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a waterproof bolt nut structure, its includes bolt, nut and block, the screw rod threaded connection of nut and bolt, outside the nut was located to the block lid, it has first waterproof glue to fill between block and the nut, between the screw rod of nut and bolt, the through-hole has been seted up to the one end of block, the through-hole communicates with the inner chamber of block, the through-hole is used for supplying the screw rod of bolt to stretch out the block suddenly outside, the nut enclosing cover of bolt is equipped with waterproof cap.

Further, waterproof bolt nut structure still includes the first gasket of cover outside locating the screw rod of bolt, first gasket is used for contradicting the nut.

Further, the other end of the cap is provided with a first flaring cavity communicated with the inner cavity of the cap, and the first flaring cavity is used for accommodating a first gasket.

Further, a sealing section extends outwards from one end, away from the first mouth cavity, of the cap, and the through hole penetrates through the sealing section.

Further, a first gap for filling the first waterproof glue is formed between the inner wall of the cover cap and the outer wall of the nut.

Further, a second waterproof glue is filled between the nut of the bolt and the waterproof cap.

Further, a second gap for filling a second waterproof glue is formed between the outer side wall of the nut of the bolt and the inner wall of the waterproof cap.

Further, waterproof bolt nut structure still includes the second gasket of cover outside locating the screw rod of bolt, the second gasket is used for contradicting the nut of bolt.

Further, a second flaring cavity is arranged at the opening end of the waterproof cap and used for accommodating a second gasket.

Further, first waterproof glue and second waterproof glue are silica gel, epoxy glue or anaerobic adhesive, block and waterproof cap are plastic cap, metal cap or glass cap.

The utility model has the advantages that: in practical application, a screw rod of a bolt penetrates through lock holes of two parts, a nut is in threaded connection with the screw rod of the bolt until the nut and a nut cap of the bolt are respectively abutted against the two parts, so that the two parts are locked, then a waterproof cap is arranged on the nut cap of the bolt, so that the open end of the waterproof cap is in sealed connection with the side wall of one part, the problem of water seepage is prevented, a good waterproof effect is achieved, after first waterproof glue is filled in the cap, the cap with the first waterproof glue is covered outside the nut, the first waterproof glue in the cap not only fills a gap between the cap and the nut to realize sealed connection between the cap and the nut, the cap and the nut are firmly connected and are not easy to loosen, the first waterproof glue can flow between the nut and the screw rod of the bolt to fill the gap between the nut and the screw rod, thereby realized the sealing connection between the screw rod of nut and bolt, and the one end of block and the lateral wall sealing connection of another spare part, prevented the problem of infiltration, played fine waterproof effect. In addition, the nut cap and the waterproof cap are covered outside the nut and the nut of the bolt respectively, the nut cap and the nut of the bolt are protected, and the nut cap and the waterproof cap are both cylindrical, so that the nut cap and the waterproof cap also have the anti-theft function, and the waterproof nut cap is particularly suitable for bolt connection which does not need to be frequently disassembled and assembled. The utility model has the advantages of simple structure, it is low with use cost to make, possesses good waterproof function, long service life.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the exploded structure of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Description of reference numerals:

1. a bolt; 2. a nut; 3. capping; 4. a screw; 5. a through hole; 6. a waterproof cap; 7. a first gasket; 8. a first mouth expanding cavity; 9. a sealing section; 10. a first gap; 11. a second gap; 12. a second gasket; 13. a nut; 14. and a second oral cavity.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 3, the utility model provides a pair of waterproof bolt nut structure, it includes bolt 1, nut 2 and block 3,

nut

2 and 4 threaded connection of the screw rod of bolt 1, the block 3 lid is located outside nut 2, it has first waterproof glue (not shown in the picture) to fill between block 3 and the nut 2, between nut 2 and the screw rod 4 of bolt 1, through-hole 5 has been seted up to the one end of block 3, through-hole 5 communicates with the inner chamber of block 3, through-hole 5 is used for supplying the screw rod 4 of bolt 1 to stretch out outside block 3 suddenly, the nut 13 enclosing cover of bolt 1 is equipped with waterproof cap 6, and the one end of waterproof cap 6 is the opening form, and the other end of waterproof cap 6 is the closure form.

In practical application, the screw 4 of the bolt 1 penetrates through the lock holes of two parts, the nut 2 is in threaded connection with the screw 4 of the bolt 1 until the nut 2 and the nut 13 of the bolt 1 are respectively abutted against the two parts, so that the two parts are locked together, the waterproof cap 6 is covered on the nut 13 of the bolt 1, the open end of the waterproof cap 6 is in sealed connection with the side wall of one part, the problem of water seepage is prevented, a good waterproof effect is achieved, after the first waterproof glue is filled in the cap 3, the cap 3 with the first waterproof glue is covered outside the nut 2, the first waterproof glue in the cap 3 not only fills the gap between the cap 3 and the nut 2, so that the sealed connection between the cap 3 and the nut 2 is realized, the cap 3 and the nut 2 are firmly connected and are not easy to loosen, the first waterproof glue can flow between the nut 2 and the screw 4 of the bolt 1, with the clearance between filling nut 2 and the screw rod 4 to realized the sealing connection between 2 and the screw rod 4 of bolt 1, and the lateral wall sealing connection of the one end of block 3 and another spare part prevents the problem of infiltration, plays fine waterproof effect. In addition, the cover cap 3 and the waterproof cap 6 are covered outside the nut 2 and the nut 13 of the bolt 1 respectively, the nut 2 and the nut 13 of the bolt 1 are protected, and both the cover cap 3 and the waterproof cap 6 are cylindrical, so that the cover cap 3 and the waterproof cap 6 also have the anti-theft effect, and the waterproof nut is particularly suitable for bolt connection which does not need to be frequently disassembled and assembled. The utility model has the advantages of simple structure, it is low with use cost to make, possesses good waterproof function, long service life.

In this embodiment, waterproof bolt nut structure still includes that the cover locates the outer first gasket 7 of screw rod 4 of bolt 1, first gasket 7 is used for conflicting one side of nut 2, and first gasket 7 can reduce the pressure that spare part bore, prevents that two spare parts are not hard up. Specifically, first gasket 7 is made by sheet material, like packing paper, rubber or silicon rubber etc for first gasket 7 has certain elasticity, plays the effect of buffering, protection, can also the clearance between seal nut 2 and the spare part, and the leakproofness is good, has further improved water-proof effects.

In this embodiment, the other end of the cap 3 is provided with a first mouth expanding cavity 8 communicated with the inner cavity of the cap 3, and the first mouth expanding cavity 8 is used for accommodating a first gasket 7; hold through first gasket 7 and establish in first mouth 8 that expands, first gasket 7 can be sheltered from to bonnet 3, not only plays the effect of protection to first gasket 7, still makes compact structure, the appearance of this waterproof bolt nut structure pleasing to the eye, and aesthetic effect is good. Specifically, because the screw rod 4 of the bolt 1 is provided with the external thread and the thread groove, when the first gasket 7 is sleeved outside the screw rod 4 and the first gasket 7 is aligned with the thread groove, the first gasket 7 is easily and eccentrically sleeved outside the screw rod 4, that is, the central axis of the first gasket 7 is not overlapped with the central axis of the screw rod 4, and therefore, in order to ensure that the first gasket 7 can be accommodated in the first mouth expanding cavity 8, the inner diameter of the first mouth expanding cavity 8 is larger than the maximum eccentric diameter of the first gasket 7.

In this embodiment, a sealing section 9 extends outwards from one end of the cap 3 away from the first mouth cavity 8, and the through hole 5 penetrates through the sealing section 9; specifically, the inner wall of the through hole 5 is provided with an internal thread in threaded connection with the screw 4 of the bolt 1. Seal through addding sealed section 9, and the internal thread of sealed section 9 and the 4 threaded connection of screw rod of bolt 1 not only make the firm in connection of block 3 and nut 2, still improved waterproof effect.

In this embodiment, a first gap 10 for filling a first waterproof adhesive is formed between the inner wall of the cap 3 and the outer wall of the nut 2; the first gap 10 can contain first waterproof glue, and the first waterproof glue in the cap 3 can overflow to the space between the nut 2 and the screw rod 4 of the bolt 1 conveniently to fill the gap between the nut 2 and the screw rod 4, so that the purposes of better sealing and water proofing are achieved.

In this embodiment, a second waterproof glue (not shown) is filled between the nut 13 of the bolt 1 and the waterproof cap 6, and the second waterproof glue can firmly connect the waterproof cap 6 and the nut 13 of the bolt 1.

In this embodiment, a second gap 11 for filling a second waterproof glue is formed between an outer side wall of the nut 13 of the bolt 1 and an inner wall of the waterproof cap 6. The second gap 11 can accommodate the second waterproof glue, and the second waterproof glue in the waterproof cap 6 can overflow to the position between the opening end of the waterproof cap 6 and the part conveniently, so that the gap between the opening end of the waterproof cap 6 and the part is sealed, and a better waterproof effect is achieved.

In this embodiment, the waterproof bolt and nut structure further includes a second gasket 12 sleeved outside the screw rod 4 of the bolt 1, and the second gasket 12 is used for abutting against one side of a nut 13 of the bolt 1. The second gasket 12 can reduce the pressure born by the parts and prevent the two parts from loosening. Specifically, second gasket 12 is made by sheet material, like packing paper, rubber or silicon rubber etc for second gasket 12 has certain elasticity, plays the effect of buffering, protection, can also seal the clearance between the nut 13 of bolt 1 and the spare part, and the leakproofness is good, has further improved water-proof effects.

In this embodiment, the open end of the waterproof cap 6 is provided with a second mouth expanding cavity 14, and the second mouth expanding cavity 14 is used for accommodating the second gasket 12; through second gasket 12 hold establish in second flaring mouth 14, waterproof cap 6 can shelter from second gasket 12, not only plays the effect of protection to second gasket 12, still makes the compact structure of this waterproof bolt nut structure, appearance pleasing to the eye, and aesthetic effect is good. Specifically, since the screw rod 4 of the bolt 1 has the external thread and the thread groove, when the second gasket 12 is sleeved outside the screw rod 4 and the second gasket 12 is aligned with the thread groove, the second gasket 12 is easily and eccentrically sleeved outside the screw rod 4, that is, the central axis of the second gasket 12 is not coincident with the central axis of the screw rod 4, and therefore, in order to ensure that the second gasket 12 can be accommodated in the second mouth expanding cavity 14, the inner diameter of the second mouth expanding cavity 14 is larger than the maximum eccentric diameter of the second gasket 12.

In this embodiment, first waterproof glue and second waterproof glue are silica gel, epoxy glue or anaerobic adhesive etc. and water-proof effects is good, the block cap 3 and waterproof cap 6 are plastic cap, metal cap or glass cap etc. and water-proof effects is good, and is with low costs.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. The utility model provides a waterproof bolt nut structure which characterized in that: including bolt, nut and block, the screw rod threaded connection of nut and bolt, outside the nut was located to the block lid, it has first waterproof glue to fill between block and the nut, between the screw rod of nut and bolt, the through-hole has been seted up to the one end of block, the inner chamber intercommunication of through-hole and block, the through-hole is used for supplying the screw rod of bolt to stretch out outside the block suddenly, the nut enclosing cover of bolt is equipped with waterproof cap.

2. The waterproof bolt and nut structure according to claim 1, wherein: the waterproof bolt and nut structure further comprises a first gasket sleeved outside the screw rod of the bolt, and the first gasket is used for abutting against the nut.

3. The waterproof bolt and nut structure according to claim 2, wherein: the other end of the cap is provided with a first flaring cavity communicated with the inner cavity of the cap, and the first flaring cavity is used for accommodating a first gasket.

4. A water resistant bolt and nut construction as claimed in claim 3 wherein: the one end that the block kept away from first mouth that expands outwards extends has the sealing section, the through-hole runs through the sealing section.

5. The waterproof bolt and nut structure according to claim 1, wherein: a first gap for filling first waterproof glue is formed between the inner wall of the cover cap and the outer wall of the nut.

6. The waterproof bolt and nut structure according to claim 1, wherein: and a second waterproof glue is filled between the nut of the bolt and the waterproof cap.

7. The waterproof bolt and nut structure according to claim 6, wherein: and a second gap for filling second waterproof glue is formed between the outer side wall of the nut of the bolt and the inner wall of the waterproof cap.

8. The waterproof bolt and nut structure according to claim 1, wherein: the waterproof bolt and nut structure further comprises a second gasket sleeved outside the screw rod of the bolt, and the second gasket is used for abutting against the nut of the bolt.

9. The waterproof bolt and nut structure according to claim 8, wherein: the open end of the waterproof cap is provided with a second flaring cavity, and the second flaring cavity is used for accommodating a second gasket.

10. The waterproof bolt and nut structure according to claim 6, wherein: the first waterproof glue and the second waterproof glue are silica gel, epoxy resin glue or anaerobic glue, and the cap and the waterproof cap are plastic caps, metal caps or glass caps.