CN215409687U - High-strength self-locking hexagon-head slotted nut - Google Patents
High-strength self-locking hexagon-head slotted nut Download PDFInfo
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- CN215409687U CN215409687U CN202121592185.1U CN202121592185U CN215409687U CN 215409687 U CN215409687 U CN 215409687U CN 202121592185 U CN202121592185 U CN 202121592185U CN 215409687 U CN215409687 U CN 215409687U
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Abstract
The utility model discloses a high-strength self-locking hexagonal head slotted nut which comprises a nut, locking petals, a self-locking pin and a limiting sleeve, wherein the upper end surface of the nut is uniformly provided with a plurality of locking petals, the inner sides of the locking petals are provided with internal threads matched with the nut, the upper end of the nut is provided with the self-locking pin matched with the nut, the self-locking pin consists of a pin shaft, a fixing plate and a circular ring, the circular ring is sleeved on the nut, and the upper end surface of the circular ring is provided with a plurality of fixing plates arranged axially. According to the slotted nut, the radial thickness from the uppermost end to the lowermost end of the locking petal is increased gradually, and the structural strength of the locking petal, particularly the structural strength of the bottom of the locking petal, can be increased through the structural design that the thickness of the locking petal is gradually increased from the top end to one end of the nut body, so that the functional failure of the nut due to cracking or fracture of the locking petal caused by overlarge stress or vibration of the bottom of the locking petal in the operation process is prevented, the structural strength of the slotted nut is improved, and the service life of the slotted nut is prolonged.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of nuts, in particular to the technical field of a high-strength self-locking hexagonal head slotted nut.
[ background of the utility model ]
The slotted hexagon nut is a part which is used in cooperation with a bolt and plays a role in fastening, is mainly used in occasions with vibration loads or alternating loads, is used in cooperation with a cotter pin to ensure the locking reliability of the nut, and is commonly used as a locking nut for preventing a main nut from loosening. Because the circumstances such as atress is great, vibration and load reversal, the condition such as fracture appears easily in the root of each locking lamella of cohesion bolt, influences life, and in order to prevent that the nut pine from taking off, must fix through the groove of slotted nut with the split pin, and the split pin will fix slotted nut just must pass in the middle of the shaft screw rod, and the both ends of shaft screw rod need drill usually, to prior art's not enough, need provide a high strength auto-lock hexagon head slotted nut.
[ Utility model ] content
The utility model aims to solve the problems in the prior art, and provides a high-strength self-locking hexagonal head slotted nut which is high in strength, can be self-locked and can be matched with wheel shaft screws with pin holes at different positions for use.
In order to achieve the purpose, the utility model provides a high-strength self-locking hexagonal head slotted nut which comprises a nut, locking petals, a self-locking pin and a limiting sleeve, wherein the upper end surface of the nut is uniformly provided with a plurality of locking petals, the inner sides of the locking petals are provided with internal threads matched with the nut, the upper end of the nut is provided with the self-locking pin matched with the nut, the self-locking pin consists of a pin shaft, a fixing plate and a ring, the ring is sleeved on the nut, the upper end surface of the ring is provided with a plurality of fixing plates arranged axially, the uppermost end of the fixing plate is provided with the pin shaft hinged with the fixing plate, the pin shaft is arranged between the fixing plate and the nut, the outer surface of the ring and the outer surface of the fixing plate are provided with external threads, the external threads of the outer surface of the ring are matched with the external threads of the fixing plate, the nut below the ring is provided with the limiting sleeve matched with the nut, and the limiting sleeve consists of a first internal thread pipe and a second internal thread pipe, the outer surface of the nut below the ring is provided with an external thread matched with the second internal thread pipe, the second internal thread pipe is adaptively screwed on the outer surface of the nut, the upper port of the second internal thread pipe is provided with a coaxial first internal thread pipe, and the internal thread of the first internal thread pipe is matched with the external thread of the ring and the outer surface of the fixing plate.
Preferably, the nut comprises first nut pipe, second nut pipe, third nut pipe, first nut pipe, second nut pipe, third nut pipe are coaxial continuous in proper order and first nut pipe is vertical establishes at the top, the outer wall of first nut pipe is equipped with the round pin axle slot with round pin axle one-to-one, the adaptability is equipped with the round pin axle slot of axial setting between per two locking lamella, the round pin axle slot extends to the top terminal surface of first nut pipe from the outer wall middle part of first nut pipe, the same and all greater than the outer diameter of second nut pipe of outer diameter of third nut pipe, the cover has coaxial ring on the second nut pipe, the inner diameter of ring is slightly greater than the outer diameter of second nut pipe and the inner diameter of ring is less than the outer diameter of first nut pipe, the outer wall of third nut pipe is equipped with the external screw thread that suits with second internal thread pipe.
Preferably, the width of the fixing plate is greater than the width of the pin shaft groove, the axial length of the fixing plate is equal to the axial length from the lower end face of the first nut pipe to the upper end face of the locking flap, the axial length from the lower end face of the ring to the upper end face of the fixing plate is the same as the axial length from the lower end face of the second nut pipe to the upper end face of the first nut pipe, and the ring can reciprocate on the outer wall of the second nut pipe.
Preferably, the axial length of the first internally threaded tube is the same as the axial length from the lower end surface of the ring to the upper end surface of the fixing plate.
Preferably, the axial length of the stop collar is not greater than the axial length of the third nut tube.
Preferably, the radial thickness of the locking petals increases from the uppermost end to the lowermost end of the locking petals.
The utility model has the beneficial effects that: according to the slotted nut, the radial thickness from the uppermost end to the lowermost end of the locking petal is increased progressively, and the structural strength of the locking petal, particularly the structural strength of the bottom of the locking petal, can be increased through the structural design that the thickness of the locking petal is gradually increased from the top end to one end of the nut body, so that the functional failure of the nut due to cracking or fracture of the locking petal caused by overlarge stress or vibration of the bottom of the locking petal in the operation process is prevented, the structural strength of the slotted nut is improved, and the service life of the slotted nut is prolonged; the self-locking pin enables the slotted nut to be locked without an additional split pin, and meanwhile, the self-locking pin can move up and down, so that the self-locking pin is beneficial to being matched with screws of different positions of a pin hole, and the slotted nut can still be locked when the pin hole is far away from the upper end face of the nut; the position that the stop collar not only can fix the self-locking pin can prevent simultaneously that the round pin axle of self-locking pin from appearing not hard up.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a front view of a high strength self-locking hex head slotted nut of the present invention.
[ detailed description ] embodiments
Referring to fig. 1, the utility model relates to a high-strength self-locking hexagon slotted nut, which comprises a nut 1, locking petals 11, a self-locking pin 2 and a stop collar 3, wherein the upper end surface of the nut 1 is uniformly provided with a plurality of locking petals 11, the inner sides of the locking petals 11 are provided with internal threads adapted to the nut 1, the upper end of the nut 1 is provided with the self-locking pin 2 adapted to the nut 1, the self-locking pin 2 comprises a pin shaft 21, a fixing plate 22 and a ring 23, the ring 23 is sleeved on the nut 1, the upper end surface of the ring 23 is provided with a plurality of fixing plates 22 arranged axially, the uppermost end of the fixing plate 22 is provided with the pin shaft 21 hinged with the fixing plate 21, the pin shaft 21 is arranged between the fixing plate 22 and the nut 1, the outer surface of the ring 23 and the outer surface of the fixing plate 22 are both provided with external threads, the external threads on the outer surface of the ring 23 are adapted to the external threads on the fixing plate 22, the stop collar 3 is arranged on the nut 1 below the ring 23, the stop collar 3 is composed of a first internal thread tube 31 and a second internal thread tube 32, an external thread matched with the second internal thread tube 32 is arranged on the outer surface of the nut 1 below the circular ring 23, the second internal thread tube 32 is adaptively screwed on the outer surface of the nut 1, a coaxial first internal thread tube 31 is arranged at the upper port of the second internal thread tube 32, an internal thread of the first internal thread tube 31 is matched with the external thread on the outer surface of the circular ring 23 and the fixing plate 22, the nut 1 is composed of a first nut tube 101, a second nut tube 102 and a third nut tube 103, the first nut tube 101, the second nut tube 102 and the third nut tube 103 are sequentially and coaxially connected, the first nut tube 101 is vertically arranged at the uppermost end, pin shaft grooves 104 corresponding to the pin shafts 21 one by one are arranged on the outer wall of the first nut tube 101, a pin shaft groove 104 arranged axially is adaptively arranged between every two locking flaps 11, the pin shaft grooves 104 extend from the middle part of the outer wall of the first nut tube 101 to the uppermost end surface of the first nut tube 101, the outer diameters of the first nut pipe 101 and the third nut pipe 103 are the same and are larger than the outer diameter of the second nut pipe 102, the second nut pipe 102 is sleeved with a coaxial ring 23, the inner diameter of the ring 23 is slightly larger than the outer diameter of the second nut pipe 102, the inner diameter of the ring 23 is smaller than the outer diameter of the first nut pipe 101, the outer wall of the third nut pipe 103 is provided with an external thread matched with the second internal thread pipe 32, the width of the fixing plate 22 is larger than the width of the pin shaft groove 104, the axial length of the fixing plate 22 is equal to the axial length from the lower end surface of the first nut pipe 101 to the upper end surface of the locking valve 11, the axial length from the lower end surface of the ring 23 to the upper end surface of the fixing plate 22 is the same as the axial length from the lower end surface of the second nut pipe 102 to the upper end surface of the first nut pipe 101, the ring 23 can reciprocate on the outer wall of the second nut pipe 102, the axial length of the first internal thread pipe 31 is the same as the axial length from the lower end surface of the ring 23 to the upper end surface of the fixing plate 22, the axial length of the stop collar 3 is not greater than the axial length of the third nut tube 103, and the radial thickness from the uppermost end of the locking petals 11 to the lowermost end of the locking petals 11 increases progressively.
The working process of the utility model is as follows:
in the working process of the high-strength self-locking hexagonal-head slotted nut, the fixing plate 22 needs to have good bending performance, after the nut 1 is screwed down, the fixing plate 22 corresponding to the bolt pin hole is outwards broken, the pin shaft 21 is rotatably inserted into the bolt pin hole, then the limiting sleeve 3 rotates and moves upwards, and the first internal threaded pipe 31 is screwed on the self-locking pin 2 until the upper end face of the first internal threaded pipe 31 is coplanar with the upper end face of the self-locking pin 2. The radial thickness from the uppermost end of the locking petal 11 to the lowermost end of the locking petal 11 is increased progressively, and through the structural design that the thickness of the locking petal 11 is gradually increased from the top end to one end of the nut body, the structural strength of the locking petal 11, particularly the structural strength of the bottom of the locking petal 11, can be increased, so that the locking petal 11 is prevented from cracking or breaking due to overlarge stress or vibration of the bottom to cause the function failure of the nut in the operation process, and the structural strength and the service life of the slotted nut are improved; the self-locking pin 2 enables the slotted nut to be locked without an additional split pin, and meanwhile, the self-locking pin 2 can move up and down, so that the slotted nut can be matched with screws of pin holes at different positions, and the slotted nut can still be locked when the pin holes are far away from the upper end surface of the nut 1; the position of the self-locking pin 2 can be fixed by the limiting sleeve 3, and meanwhile, the pin shaft 21 of the self-locking pin 2 can be prevented from loosening.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides a high strength auto-lock hexagon head slotted nut which characterized in that: comprises a nut (1), locking petals (11), a self-locking pin (2) and a limiting sleeve (3), wherein the upper end surface of the nut (1) is uniformly provided with a plurality of locking petals (11), the inner side of each locking petal (11) is provided with an internal thread matched with the nut (1), the upper end of the nut (1) is provided with the self-locking pin (2) matched with the nut, the self-locking pin (2) consists of a pin shaft (21), a fixing plate (22) and a ring (23), the ring (23) is sleeved on the nut (1), the upper end surface of the ring (23) is provided with a plurality of fixing plates (22) arranged axially, the uppermost end of each fixing plate (22) is provided with a pin shaft (21) hinged with the fixing plate (22), the pin shaft (21) is arranged between the fixing plate (22) and the nut (1), the outer surface of the ring (23) and the outer surface of the fixing plate (22) are both provided with external threads, and the external threads on the outer surface of the ring (23) are matched with the external threads on the outer surface of the fixing plate (22), be equipped with stop collar (3) that suits on nut (1) of ring (23) below, stop collar (3) are by first internal thread pipe (31), second internal thread pipe (32) are constituteed, be equipped with the external screw thread that suits with second internal thread pipe (32) on nut (1) surface of ring (23) below, second internal thread pipe (32) adaptability is twisted on nut (1) surface, the last port of second internal thread pipe (32) is equipped with coaxial first internal thread pipe (31), the internal thread and ring (23) of first internal thread pipe (31), the external screw thread of fixed plate (22) surface suits.
2. The high-strength self-locking hexagonal-head slotted nut of claim 1, wherein: nut (1) comprises first nut pipe (101), second nut pipe (102), third nut pipe (103), first nut pipe (101), second nut pipe (102), third nut pipe (103) are coaxial continuous in proper order and first nut pipe (101) are vertical to be established uppermost, the outer wall of first nut pipe (101) is equipped with round pin axle slot (104) with round pin axle (21) one-to-one, adaptability is equipped with round pin axle slot (104) of axial setting between per two locking lamella (11), round pin axle slot (104) extend to the uppermost terminal surface of first nut pipe (101) from the outer wall middle part of first nut pipe (101), the external diameter of third nut pipe (103) is the same and all is bigger than the external diameter of second nut pipe (102), second nut pipe (102) is gone up to overlap has coaxial ring (23), the internal diameter ratio of ring (102) of ring (23) and the external diameter of second nut pipe (102) are less than the first nut pipe (101) and the first nut pipe (23) is slightly bigger than the external diameter of first nut pipe (101) The diameter of the third nut pipe (103) is provided with an external thread matched with the second internal thread pipe (32).
3. The high-strength self-locking hexagonal-head slotted nut of claim 2, wherein: the width of fixed plate (22) is greater than the width of round pin axle slot (104), and the axial length of fixed plate (22) equals the axial length of terminal surface to locking lamella (11) up end under first nut pipe (101), and the axial length of terminal surface to fixed plate (22) up end under the lower terminal surface of ring (23) is the same with the axial length of terminal surface to first nut pipe (101) up end under second nut pipe (102), and ring (23) can be at the outer wall reciprocating motion of second nut pipe (102).
4. The high-strength self-locking hexagonal-head slotted nut of claim 2, wherein: the axial length of the first internal threaded pipe (31) is the same as the axial length from the lower end face of the circular ring (23) to the upper end face of the fixing plate (22).
5. The high-strength self-locking hexagonal-head slotted nut of claim 2, wherein: the axial length of the limiting sleeve (3) is not more than that of the third nut pipe (103).
6. The high-strength self-locking hexagonal-head slotted nut of claim 1, wherein: the radial thickness from the uppermost end of the locking petal (11) to the lowermost end of the locking petal (11) increases progressively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121592185.1U CN215409687U (en) | 2021-07-14 | 2021-07-14 | High-strength self-locking hexagon-head slotted nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121592185.1U CN215409687U (en) | 2021-07-14 | 2021-07-14 | High-strength self-locking hexagon-head slotted nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215409687U true CN215409687U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121592185.1U Active CN215409687U (en) | 2021-07-14 | 2021-07-14 | High-strength self-locking hexagon-head slotted nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215409687U (en) |
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2021
- 2021-07-14 CN CN202121592185.1U patent/CN215409687U/en active Active
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