CN212615815U - Special locking nut assembly for excavator - Google Patents
Special locking nut assembly for excavator Download PDFInfo
- Publication number
- CN212615815U CN212615815U CN202021164130.6U CN202021164130U CN212615815U CN 212615815 U CN212615815 U CN 212615815U CN 202021164130 U CN202021164130 U CN 202021164130U CN 212615815 U CN212615815 U CN 212615815U
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- locking
- bolt
- head
- nut
- groove
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- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model discloses a special lock nut subassembly of excavator, including nut, bolt, locking groove, locking screw, the bolt comprises bolt head and double-screw bolt, and the double-screw bolt is fixed at the lower extreme of bolt head, and it has a nut to twist on the double-screw bolt, accompanies between bolt head and the nut by the link, be equipped with round locking groove on the double-screw bolt, the cross-section in locking groove is isosceles trapezoid, be equipped with a side screw hole on the nut, it has a locking screw to twist on the side screw hole, and locking screw's the bolt side of being close to is equipped with a locking head, and the locking head is horizontal frustum of a cone shape, and the lateral wall in locking head suits with the lateral wall in locking groove, and the diameter that is close to the bolt end of locking head is greater than the tank bottom width. The utility model discloses a cooperate locking groove and locking screw for can be by effectual locking after the nut is screwed up, difficult not hard up has guaranteed the result of use.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of fastener, especially lock nut component's technical field.
[ background of the invention ]
The cage nut assembly is a common fastener that is used in a wide variety of applications. Lock nut assemblies are also used on excavators. The existing locking nut component is not ideal enough in use effect and can loosen in the use process.
[ Utility model ] content
The utility model discloses an aim at solving the problem among the prior art, provide a special lock nut subassembly of excavator, can make the lock nut subassembly have fine locking effect, difficult not hard up.
In order to achieve the purpose, the utility model provides a special locking nut component for an excavator, which comprises a nut, a bolt, a locking groove and a locking screw rod, the bolt consists of a bolt head and a stud, the stud is fixed at the lower end of the bolt head, a nut is screwed on the stud, a connected object is clamped between the bolt head and the nut, be equipped with round locking groove on the double-screw bolt, the cross-section in locking groove is isosceles trapezoid, be equipped with a side screw hole on the nut, it has a locking screw to twist on the side screw hole, locking screw's the bolt side that is close to is equipped with a locking head, the locking head is horizontal frustum of a cone shape, the lateral wall of locking head suits with the lateral wall in locking groove, the diameter that is close to the bolt end of locking head is greater than the tank bottom width in locking groove, the diameter that is close to the bolt end of locking head is less than the width of locking groove open end, the axis of locking screw is located the top of locking groove horizontal plane or on the locking groove horizontal plane of dividing after the nut is screwed up.
Preferably, the thickness of the connected object is the minimum allowable value, and the locking head is simultaneously tightly attached to two side walls of the locking groove when the locking screw is screwed down.
Preferably, the end of the locking screw, which is far away from the bolt, is provided with a screwing groove, and the screwing groove is triangular or square.
Preferably, the side walls of the locking groove and the locking head are plated with wear-resistant layers.
The utility model has the advantages that: the utility model has the advantages that the locking groove is matched with the locking screw rod, so that the nut can be effectively locked after being screwed, the nut is not easy to loosen, and the using effect is ensured; the setting of wearing layer makes locking groove and locking head difficult wearing and tearing in the use, the effectual locking effect who guarantees nut component.
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 the special lock nut assembly for excavator of the present invention.
In the figure: 1-bolt, 2-nut, 3-locking screw, 10-locking groove, 11-bolt head, 12-bolt, 20-side threaded hole, 30-locking head and 31-screwing groove.
[ detailed description ] embodiments
Referring to fig. 1, the utility model relates to a special lock nut assembly for excavator, which comprises a nut 2, a bolt 1, a lock groove 10 and a lock screw 3, wherein the bolt 1 is composed of a bolt head 11 and a stud 12, the stud 12 is fixed at the lower end of the bolt head 11, the stud 12 is screwed with the nut 2, the bolt head 11 and the nut 2 are clamped with the object to be connected, the stud 12 is provided with a circle of lock groove 10, the cross section of the lock groove 10 is isosceles trapezoid, the nut 2 is provided with a side thread hole 20, the side thread hole 20 is screwed with the lock screw 3, the side of the lock screw 3 close to the bolt 1 is provided with a lock head 30, the lock head 30 is in the shape of a horizontal truncated cone, the side wall of the lock head 30 is adapted to the side wall of the lock groove 10, the diameter of the lock head 30 close to the bolt 1 is greater than the width of the groove 10, the diameter of the lock head 30 close to the bolt 1 is less than the width, the axis of the locking screw rod 3 is positioned above the horizontal bisection surface of the locking groove 10 or on the horizontal bisection surface of the locking groove 10 after the nut 2 is screwed down, the locking head 30 is tightly attached to two side walls of the locking groove 10 when the locking screw rod 3 is screwed down when the thickness of a connected object is a minimum allowable value, the end, far away from the bolt 1, of the locking screw rod 3 is provided with a screwing groove 31, the screwing groove 31 is triangular or square, and the side walls of the locking groove 10 and the side walls of the locking head 30 are plated with wear-resistant layers.
The utility model discloses the working process:
the special locking nut component for the excavator is customized according to requirements in the working process, and the locking groove 10 and the side thread hole 20 are arranged at proper positions, so that the nut 2 can be effectively locked after being screwed, is not easy to loosen, and ensures the using effect; the arrangement of the wear-resistant layer enables the locking groove 10 and the locking head 30 not to be worn easily in the use process, and the locking effect of the nut component is effectively guaranteed
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 (4)
1. The utility model provides a special lock nut subassembly of excavator which characterized in that: the bolt comprises a nut (2), a bolt (1), a locking groove (10) and a locking screw (3), wherein the bolt (1) is composed of a bolt head (11) and a stud (12), the stud (12) is fixed at the lower end of the bolt head (11), the stud (12) is provided with the nut (2), a connected object is clamped between the bolt head (11) and the nut (2), the stud (12) is provided with a circle of locking groove (10), the cross section of the locking groove (10) is isosceles trapezoid, the nut (2) is provided with a side thread hole (20), the side thread hole (20) is provided with the locking screw (3), the side of the locking screw (3) close to the bolt (1) is provided with a locking head (30), the locking head (30) is in a transverse conical frustum shape, the side wall of the locking head (30) is adapted to the side wall of the locking groove (10), and the diameter of the locking head (30) close to the end of the bolt (1) is larger than the width of the groove bottom of the locking groove (10), the diameter of the end, close to the bolt (1), of the locking head (30) is smaller than the width of the opening end of the locking groove (10), and the axis of the locking screw rod (3) is located above the horizontal plane of the locking groove (10) or on the horizontal plane of the locking groove (10) after the nut (2) is screwed down.
2. The special lock nut assembly for the excavator as claimed in claim 1, wherein: when the thickness of the connected object is the minimum allowable value, the locking head (30) is simultaneously tightly attached to two side walls of the locking groove (10) when the locking screw rod (3) is screwed down.
3. The special lock nut assembly for the excavator as claimed in claim 1, wherein: the end, far away from the bolt (1), of the locking screw rod (3) is provided with a twisting groove (31), and the twisting groove (31) is triangular or square.
4. The special lock nut assembly for the excavator as claimed in claim 1, wherein: and the side walls of the locking groove (10) and the locking head (30) are plated with wear-resistant layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021164130.6U CN212615815U (en) | 2020-06-22 | 2020-06-22 | Special locking nut assembly for excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021164130.6U CN212615815U (en) | 2020-06-22 | 2020-06-22 | Special locking nut assembly for excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212615815U true CN212615815U (en) | 2021-02-26 |
Family
ID=74754608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021164130.6U Active CN212615815U (en) | 2020-06-22 | 2020-06-22 | Special locking nut assembly for excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212615815U (en) |
-
2020
- 2020-06-22 CN CN202021164130.6U patent/CN212615815U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A specialized locking nut assembly for excavators Granted publication date: 20210226 Pledgee: Industrial Commercial Bank of China Ltd. Haiyan branch Pledgor: HAIYAN HONGMAO HARDWARE PRODUCTS Co.,Ltd. Registration number: Y2024980007873 |