CN218670128U - Sealing nut - Google Patents

Abstract

The utility model discloses a sealing nut, including nut main part, articulated pipe, sealing rubber ring, the upper and lower both ends of nut main part all are equipped with coaxial articulated pipe, and articulated pipe is articulated and articulated axis is the nut main part pivot with the nut main part, is equipped with coaxial sealing rubber ring on the articulated pipe. The utility model discloses can make the leakproofness of nut improve, the moisture is difficult to get into the nut hole, makes the threaded connection department of nut and screw rod be difficult to rust, does benefit to the joint strength who maintains between nut and the screw rod.

Description

Sealing nut

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of nut, especially a sealing nut's technical field.

[ background of the invention ]

The nut is a nut, and is screwed together with a bolt or a screw rod to play a role in fastening, and one element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials. Traditional nut leakproofness is poor, and the nut installation is accomplished the back, and the moisture gets into the nut hole easily, and the threaded connection department of nut and screw rod rusts easily.

[ Utility model ] content

The utility model discloses a solve the problem among the prior art, provide a sealing nut, can make the leakproofness of nut improve, the moisture is difficult to get into the nut hole, makes the threaded connection department of nut and screw rod be difficult to rust, does benefit to the joint strength who maintains between nut and the screw rod.

In order to achieve the purpose, the utility model provides a sealing nut, including nut main part, articulated pipe, sealing rubber ring, the upper and lower both ends of nut main part all are equipped with coaxial articulated pipe, and articulated pipe is articulated and articulated axis is the nut main part pivot with the nut main part, is equipped with coaxial sealing rubber ring on the articulated pipe.

Preferably, the upper end and the lower end of the outer wall of the nut main body are both provided with a first annular groove, the inner wall of the first annular groove is provided with a first annular clamping groove, and the first annular groove and the first annular clamping groove are both coaxial with the nut main body.

Preferably, the inner hole of the hinged pipe is a circular hole, the outer pipe of the hinged pipe is a prismatic pipe, the inner diameter of the hinged pipe is larger than that of the nut body, and the inner hole of the hinged pipe is provided with a coaxial second annular groove.

Preferably, be equipped with a plurality of second spacing groove on the articulated pipe, the second spacing groove contains first recess, second recess, third recess, fourth recess, fifth recess, first recess is established in second annular groove cell wall upper end, and the second recess is established at second annular groove cell bottom, and the third recess is established at second annular groove cell wall lower extreme, and the hole wall in the articulated pipe of second annular groove below is established to the fourth recess, and the terminal surface is established under the articulated pipe to the fifth recess, and first recess, second recess, third recess, fourth recess, fifth recess link to each other in proper order.

Preferably, the sealing rubber ring comprises a first ring, a second ring, a third ring, a fourth ring, a ring folding groove, a fifth ring and a first ring clamp, the hinge pipe inner hole is provided with the coaxial second ring, the outer ring wall of the second ring is provided with the coaxial first ring and the third ring, the first ring is arranged in the second ring groove, the third ring is arranged on the lower end face of the hinge pipe, the outer ring wall of the third ring is provided with the coaxial fourth ring, the fourth ring is sleeved on the outer pipe wall of the hinge pipe, the inner hole of the fourth ring is matched with the outer pipe wall of the hinge pipe, the outer pipe wall of the fourth ring is provided with the coaxial ring folding groove, the ring folding groove is arranged below the nut body, the inner hole of the fourth ring is provided with the coaxial fifth ring, the fifth ring is arranged in the first ring groove, the upper end face and the lower end face of the fifth ring are provided with the first ring clamp, and the first ring clamp is in one-to-one correspondence with the first ring clamp groove.

Preferably, the end face, close to the hinged pipe, of the sealing rubber ring is provided with a plurality of second limiting clamping strips, the second limiting clamping strips correspond to the second limiting grooves one to one, and the second limiting clamping strips are adaptively clamped in the second limiting grooves.

Preferably, the inner hole of the second ring is provided with an internal thread adapted to the nut body, and the inner diameter of the second ring is smaller than that of the nut body.

The utility model has the advantages that: the utility model can improve the sealing performance of the nut, moisture is not easy to enter the inner hole of the nut, the threaded connection part of the nut and the screw is not easy to rust, and the connection strength between the nut and the screw is easy to maintain; the hinge pipe is hinged with the nut body, the hinge axis is a nut body rotating shaft, and when the sealing nut is screwed in place and the nut body is independently rotated, the sealing rubber ring can be axially close to the mounting surface, so that the sealing rubber ring and the mounting surface, and the sealing rubber ring internal thread and the screw rod external thread are tighter, and the sealing rubber ring is prevented from generating torsional deformation due to the influence of friction force when the sealing rubber ring is synchronously screwed along with the nut body in the screwing process of the nut body, and further the sealing performance of the sealing rubber ring is damaged; the second ring hole is equipped with the internal thread that suits with the nut bulk phase, and the second ring internal diameter is less than nut bulk phase internal diameter, relies on the elasticity of sealing rubber ring self to make and closely laminates between sealing rubber ring internal thread and the screw rod, does benefit to the leakproofness that improves between sealing rubber ring and the screw rod.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a front view of a seal nut of the present invention.

[ detailed description ] embodiments

Referring to fig. 1, the utility model relates to a sealing nut, including nut main part 1, articulated pipe 2, sealing rubber ring 3, the upper and lower both ends of nut main part 1 all are equipped with coaxial articulated pipe 2, and articulated pipe 2 is articulated and the articulated axis is the 1 pivot of nut main part with nut main part 1, is equipped with coaxial sealing rubber ring 3 on the articulated pipe 2.

The upper end and the lower end of the outer wall of the nut body 1 are both provided with a first annular groove 11, the inner wall of the first annular groove 11 is provided with a first annular clamping groove 12, and the first annular groove 11 and the first annular clamping groove 12 are both coaxial with the nut body 1.

Wherein, 2 holes of articulated pipe are the round hole, and 2 outer tubes of articulated pipe are the arris pipe, and 2 internal diameters of articulated pipe are greater than 1 internal diameters of female main part, and 2 holes of articulated pipe are equipped with coaxial second annular groove 20.

Wherein, be equipped with a plurality of second spacing groove 200 on articulated pipe 2, second spacing groove 200 contains first recess 201, second recess 202, third recess 203, fourth recess 204, fifth recess 205, first recess 201 is established in second annular groove 20 cell wall upper end, and second recess 202 is established at second annular groove 20 cell wall bottom, and third recess 203 is established at second annular groove 20 cell wall lower extreme, and fourth recess 204 is established at articulated pipe 2 inner bore wall of second annular groove 20 below, and fifth recess 205 is established at articulated pipe 2 terminal surface down, and first recess 201, second recess 202, third recess 203, fourth recess 204, fifth recess 205 link to each other in proper order.

The sealing rubber ring 3 comprises a first ring 31, a second ring 32, a third ring 33, a fourth ring 34, an annular folding groove 341, a fifth ring 35 and a first annular clamp 351, the inner hole of the hinged pipe 2 is provided with the coaxial second ring 32, the outer annular wall of the second ring 32 is provided with the coaxial first ring 31 and the coaxial third ring 33, the first ring 31 is arranged in the second annular groove 20, the third ring 33 is arranged on the lower end face of the hinged pipe 2, the outer annular wall of the third ring 33 is provided with the coaxial fourth ring 34, the fourth ring 34 is sleeved on the outer annular wall of the hinged pipe 2, the inner hole of the fourth ring 34 is matched with the outer annular wall of the hinged pipe 2, the outer annular folding groove 341 is arranged on the outer annular wall of the fourth ring 34, the annular folding groove 341 is arranged below the nut body 1, the fourth ring 34 is provided with the coaxial fifth ring 35, the fifth ring 35 is arranged in the first annular groove 11, the upper end face and the lower end face of the fifth ring 35 are respectively provided with the first annular clamp 12, and the first annular clamp 12.

Wherein, the terminal surface that the sealing rubber ring 3 is close to articulated pipe 2 is equipped with the spacing card strip 300 of a plurality of second, and the spacing card strip 300 of a plurality of second corresponds with a plurality of second spacing groove 200 one-to-one, and the spacing card strip 300 adaptability card of second is in second spacing groove 200.

The inner hole of the second ring 32 is provided with an internal thread adapted to the nut body 1, and the inner diameter of the second ring 32 is smaller than that of the nut body 1.

The utility model discloses the working process:

the utility model relates to a sealing nut in the working process;

the first step is as follows: screwing a sealing nut on the screw rod, and synchronously rotating the nut body 1 and the hinged pipe 2;

the second step is that: after the sealing nut is screwed in place, the fifth ring 35 is pulled out of the first annular groove 11 and then is turned outwards along the annular folding groove 341;

the third step: the nut body 1 is independently rotated, the sealing rubber ring 3 close to the mounting surface is pressed on the mounting surface by the nut body 1, the sealing rubber ring 3 far away from the mounting surface is pulled to the mounting surface by the nut body 1, and at the moment, the internal thread of the sealing rubber ring 3 is axially pressed on the external thread of the screw rod, so that the sealing performance of the sealing rubber ring 3 is further enhanced;

the fourth step: the fifth ring 35 is turned upwards, the fifth ring 35 is arranged in the first annular groove 11, and the first annular clamp 351 is clamped in the first annular clamp groove 12.

The utility model can improve the sealing performance of the nut, and moisture is not easy to enter the inner hole of the nut, so that the threaded connection part of the nut and the screw is not easy to rust, and the connection strength between the nut and the screw is favorably maintained; the hinged pipe 2 is hinged with the nut body 1, the hinged axis is a rotating shaft of the nut body 1, after the sealing nut is screwed in place, when the nut body 1 is independently rotated, the sealing rubber ring 3 can axially approach to the mounting surface, so that the sealing rubber ring 3 is tighter with the mounting surface, and the internal thread of the sealing rubber ring 3 and the external thread of the screw rod, and the sealing rubber ring 3 is prevented from generating torsional deformation due to the influence of friction force when the sealing rubber ring 3 is synchronously screwed along with the nut body 1 in the screwing process of the nut body 1, and further the sealing performance of the sealing rubber ring 3 is damaged; the second ring 32 hole is equipped with the internal thread that suits with nut main part 1, and second ring 32 internal diameter is less than nut main part 1 internal diameter, relies on the elasticity of 3 self of sealing rubber ring to make and closely laminate between 3 internal threads of sealing rubber ring and the screw rod, does benefit to the leakproofness that improves between sealing rubber ring 3 and the screw rod.

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 (7)

1. A seal nut is characterized in that: including nut main part (1), articulated pipe (2), sealing rubber ring (3), the upper and lower both ends of nut main part (1) all are equipped with coaxial articulated pipe (2), and articulated pipe (2) are articulated and articulated axis is nut main part (1) pivot with nut main part (1), are equipped with coaxial sealing rubber ring (3) on articulated pipe (2).

2. A gland nut as claimed in claim 1, wherein: the nut body (1) outer wall upper end, lower extreme all are equipped with first ring channel (11), and first ring channel (11) inner wall is equipped with first ring channel (12), and first ring channel (11), first ring channel (12) all are coaxial with nut body (1).

3. A gland nut as claimed in claim 1, wherein: articulated pipe (2) hole is the round hole, and articulated pipe (2) outer tube is the arris pipe, and articulated pipe (2) internal diameter is greater than nut main part (1) internal diameter, and articulated pipe (2) hole is equipped with coaxial second ring channel (20).

4. A gland nut as claimed in claim 1, wherein: be equipped with a plurality of second spacing groove (200) on articulated pipe (2), second spacing groove (200) contain first recess (201), second recess (202), third recess (203), fourth recess (204), fifth recess (205), establish at second ring channel (20) cell wall upper end first recess (201), establish at second ring channel (20) cell wall tank bottom second recess (202), establish at second ring channel (20) cell wall lower extreme third recess (203), establish at articulated pipe (2) inner bore wall of second ring channel (20) below fourth recess (204), establish terminal surface under articulated pipe (2) fifth recess (205), first recess (201), second recess (202), third recess (203), fourth recess (204), fifth recess (205) link to each other in proper order.

5. A sealing nut as defined in claim 1, wherein: the sealing rubber ring (3) comprises a first ring (31), a second ring (32), a third ring (33), a fourth ring (34), an annular folding and pasting groove (341), a fifth ring (35) and a first annular clamp (351), the inner hole of the hinged pipe (2) is provided with the coaxial second ring (32), the outer ring wall of the second ring (32) is provided with the coaxial first ring (31) and the third ring (33), the first ring (31) is arranged in the second annular groove (20), the third ring (33) is arranged on the lower end face of the hinged pipe (2), the outer ring wall of the third ring (33) is provided with the coaxial fourth ring (34), the fourth ring (34) is sleeved on the outer pipe wall of the hinged pipe (2), the inner hole of the fourth ring (34) is adapted to the outer pipe wall of the hinged pipe (2), the outer pipe wall of the fourth ring (34) is provided with the coaxial annular folding and pasting groove (341), the annular folding and pasting groove (351) is arranged in the main body (1), the first ring (35) is provided with the first annular clamping groove (11), and the first ring (35) is arranged on the lower end face of the first ring (11) and the first annular clamp (35).

6. A gland nut as claimed in claim 1, wherein: the end face, close to the hinged pipe (2), of the sealing rubber ring (3) is provided with a plurality of second limiting clamping strips (300), the second limiting clamping strips (300) correspond to the second limiting grooves (200) one to one, and the second limiting clamping strips (300) are adaptive to the second limiting grooves (200).

7. A gland nut as claimed in claim 5, wherein: the inner hole of the second circular ring (32) is provided with an internal thread matched with the nut body (1), and the inner diameter of the second circular ring (32) is smaller than that of the nut body (1).

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