CN111692186A - Locking and fastening nut for excavator - Google Patents
Locking and fastening nut for excavator Download PDFInfo
- Publication number
- CN111692186A CN111692186A CN202010571876.7A CN202010571876A CN111692186A CN 111692186 A CN111692186 A CN 111692186A CN 202010571876 A CN202010571876 A CN 202010571876A CN 111692186 A CN111692186 A CN 111692186A
- Authority
- CN
- China
- Prior art keywords
- hole
- nut
- main body
- fixing
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007787 solid Substances 0.000 claims description 13
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a locking fastening nut for an excavator, which comprises a nut main body, a fixing ring, a fixing barrel, a spring, a main threaded hole and an expansion hole, wherein the upper end of the nut main body is provided with the expansion hole, the lower end of the nut main body is provided with the main threaded hole, the main threaded hole is communicated with the expansion hole, the inner diameter of the expansion hole is larger than that of the main threaded hole, the nut main body consists of a connecting column and a main body column which are coaxial, the connecting column is cylindrical, the main body column is in a regular hexagonal prism shape, the connecting column is positioned above the main body column, external threads are arranged on the outer portion of the connecting column, and the. According to the invention, the fixing ring, the fixing barrel and the spring are matched, so that the nut is screwed down and then the fixing barrel is screwed, the inner diameter of the spring is contracted to achieve the locking effect, and the nut is not easy to loosen.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of fasteners, in particular to the technical field of fastening nuts.
[ background of the invention ]
The nut is a common fastener and is widely applied. The requirements for the nut are different for different applications. A number of nuts are also used on excavators. The nuts at some parts of the excavator need to have good locking effect and cannot be loosened. The existing nut can not well meet the requirement.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a locking fastening nut for an excavator, which has a good locking effect and is not easy to loosen.
In order to achieve the purpose, the invention provides a locking fastening nut for an excavator, which comprises a nut main body, a fixing ring, a fixing barrel, a spring, a main threaded hole and an expansion hole, wherein the upper end of the nut main body is provided with the expansion hole, the lower end of the nut main body is provided with the main threaded hole, the main threaded hole is communicated with the expansion hole, the inner diameter of the expansion hole is larger than that of the main threaded hole, the nut main body consists of a connecting column and a main body column which are coaxial, the connecting column is cylindrical, the main body column is in a regular hexagonal prism shape, the connecting column is positioned above the column, the outer part of the connecting column is provided with an external thread, the connecting column is screwed with the fixing barrel, the top of the fixing barrel is fixed with the fixing ring, the spring is placed on an annular plane at the joint of the expansion hole and the main threaded hole, the bottom of the, the first connecting section is inserted into the first through hole, the top end of the spring is located in the fixing ring, the top end of the spring is provided with a second connecting section which is horizontally arranged, the side wall of the fixing ring is provided with a second through hole which is horizontally arranged, and the second connecting section is inserted into the second through hole.
Preferably, the depth of the expansion hole is greater than the length of the connecting column.
Preferably, a slot is formed in the outer wall of the connecting column, a jack corresponding to the slot is formed in the side wall of the fixed cylinder, a limiting pin is inserted into the jack and inserted into the slot, a grabbing head is arranged outside the limiting pin, and the grabbing head is located outside the fixed cylinder.
Preferably, the first through hole penetrates through the side wall of the expansion hole, the first connecting section penetrates through the first through hole to be fixed with a first fixing block located outside the nut body, the first connecting section and the first fixing block are fixed in a welding mode, and the first fixing block is tightly attached to the nut body.
Preferably, the second through hole penetrates through the side wall of the fixing ring, the second connecting section penetrates through the second through hole to be fixed with a second fixing block located outside the fixing ring, the second connecting section and the second fixing block are fixed with each other in a welding mode, and the second fixing block is tightly attached to the fixing ring.
Preferably, the fixing ring is provided with a thread groove, the bottom end of the thread groove is communicated with the second through hole, a compression bolt is screwed on the thread groove, and the compression bolt compresses the second connecting section.
The invention has the beneficial effects that: according to the invention, the fixing ring, the fixing barrel and the spring are matched, so that the fixing barrel is screwed after the nut is screwed, the inner diameter of the spring is contracted to achieve the locking effect, and the nut is not easy to loosen; the setting of spacer pin makes can be effectual with solid fixed ring's position fixation after the spring shrink, has guaranteed the locking effect.
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 locking fastening nut for an excavator according to the present invention.
In the figure: 1-nut main body, 2-fixing ring, 3-spring, 11-expanding hole, 12-main threaded hole, 13-connecting column, 14-main body column, 20-fixing cylinder, 21-jack, 22-slot, 23-limiting pin, 24-grabbing head, 25-thread groove, 26-pressing bolt, 31-first connecting section, 32-second connecting section, 33-first fixing block and 34-second fixing block.
[ detailed description ] embodiments
Referring to fig. 1, the locking fastening nut for the excavator of the present invention comprises a nut body 1, a fixing ring 2, a fixing cylinder 20, a spring 3, a main threaded hole 12 and an expansion hole 11, wherein the upper end of the nut body 1 is provided with the expansion hole 11, the lower end of the nut body 1 is provided with the main threaded hole 12, the main threaded hole 12 is communicated with the expansion hole 11, the inner diameter of the expansion hole 11 is larger than the inner diameter of the main threaded hole 12, the nut body 1 is composed of a coaxial connecting column 13 and a main column 14, the connecting column 13 is cylindrical, the main column 14 is in a regular hexagonal prism shape, the connecting column 13 is located above the column, the outer part of the connecting column 13 is provided with an external thread, which one of the fixing cylinders 20 is screwed on the connecting column 13, the top of the fixing cylinder 20 is fixed with the fixing ring 2, the spring 3 is placed on an annular plane at the connection position of the expansion hole 11 and the main threaded hole, the lateral wall bottom of expansion hole 11 is equipped with a first through-hole, and first linkage segment 31 inserts in the first through-hole, the top of spring 3 is located solid fixed ring 2, and the top of spring 3 is equipped with the second linkage segment 32 that the level set up, is equipped with the second through-hole that a level set up on the lateral wall of solid fixed ring 2, and second linkage segment 32 inserts in the second through-hole, the degree of depth of expansion hole 11 is greater than the length of spliced pole 13, be equipped with a slot 22 on the spliced pole 13 outer wall, be equipped with a jack 21 corresponding with slot 22 on the lateral wall of solid fixed cylinder 20, inserted a spacer pin 23 on the jack 21, spacer pin 23 inserts in slot 22, and the outside of spacer pin 23 is equipped with one and snatchs head 24, and snatchs head 24 and is located the outside of solid fixed cylinder 20, first through-hole pierces through the lateral wall of expansion hole 11, and first linkage segment 31 passes first through-hole and a first fixed, fix mutually through the welded mode between first linkage segment 31 and the first fixed block 33, nut main body 1 is hugged closely to first fixed block 33, the second through-hole pierces through solid fixed ring 2's lateral wall, and second linkage segment 32 passes the second through-hole and is located solid fixed ring 2 outside second fixed block 34 mutually fixed, and fixed mutually through the welded mode between second linkage segment 32 and the second fixed block 34, solid fixed ring 2 is hugged closely to second fixed block 34, gu be equipped with thread groove 25 on the fixed ring 2, the bottom and the second through-hole of thread groove 25 communicate, it has a clamp bolt 26 to twist on the thread groove 25, and clamp bolt 26 sticiss second linkage segment 32.
The working process of the invention is as follows:
in the working process of the locking and fastening nut for the excavator, the lower limit pin 23 is firstly taken, the fixing ring 2 is screwed downwards to expand the inner diameter of the spring 3, then the nut is screwed on the screw rod or the bolt, the fixing ring 2 is screwed upwards after being screwed until the insertion hole 21 is aligned with the insertion slot 22, the inner diameter of the spring 3 is contracted, the screw rod or the bolt is locked, the nut is not easy to loosen and is inserted into the limit pin 23.
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 locking fastening nut for excavator which characterized in that: comprises a nut main body (1), a fixing ring (2), a fixing barrel (20), a spring (3), a main threaded hole (12) and an expansion hole (11), wherein the upper end of the nut main body (1) is provided with the expansion hole (11), the lower end of the nut main body (1) is provided with the main threaded hole (12), the main threaded hole (12) is communicated with the expansion hole (11), the inner diameter of the expansion hole (11) is larger than that of the main threaded hole (12), the nut main body (1) consists of a coaxial connecting column (13) and a main body column (14), the connecting column (13) is cylindrical, the main body column (14) is in a regular hexagonal prism shape, the connecting column (13) is positioned above the column, the outer part of the connecting column (13) is provided with an external thread, which of the connecting column (13) is screwed with the fixing barrel (20), the top of the fixing barrel (20) is fixedly provided with the fixing ring (2), the spring (3) is placed on an annular plane at the joint, the bottom of spring (3) is equipped with first linkage segment (31) that the level set up, and the lateral wall bottom of expansion hole (11) is equipped with a first through-hole, and in first linkage segment (31) inserted the first through-hole, the top of spring (3) is located solid fixed ring (2), and the top of spring (3) is equipped with second linkage segment (32) that the level set up, is equipped with the second through-hole that a level set up on the lateral wall of solid fixed ring (2), and second linkage segment (32) insert in the second through-hole.
2. The locking fastening nut for excavators according to claim 1, characterized in that: the depth of the expanding hole (11) is larger than the length of the connecting column (13).
3. The locking fastening nut for excavators according to claim 1, characterized in that: be equipped with a slot (22) on spliced pole (13) outer wall, be equipped with one on the lateral wall of a fixed section of thick bamboo (20) and jack (21) corresponding with slot (22), inserted a spacer pin (23) on jack (21), spacer pin (23) insert slot (22) in, the outside of spacer pin (23) is equipped with one and snatchs head (24), snatchs the outside that head (24) are located a fixed section of thick bamboo (20).
4. The locking fastening nut for excavators according to claim 1, characterized in that: the first through hole penetrates through the side wall of the expansion hole (11), the first connecting section (31) penetrates through the first through hole to be fixed with a first fixing block (33) located outside the nut body (1), the first connecting section (31) and the first fixing block (33) are fixed in a welding mode, and the first fixing block (33) is tightly attached to the nut body (1).
5. The locking fastening nut for excavators according to claim 1, characterized in that: the second through-hole pierces through the lateral wall of solid fixed ring (2), and second linkage segment (32) pass the second through-hole and fix mutually with a second fixed block (34) that are located solid fixed ring (2) outside, and fixed mutually through the welded mode between second linkage segment (32) and second fixed block (34), solid fixed ring (2) are hugged closely in second fixed block (34).
6. The locking fastening nut for excavators according to claim 1, characterized in that: the fixing ring (2) is provided with a thread groove (25), the bottom end of the thread groove (25) is communicated with the second through hole, a compression bolt (26) is screwed on the thread groove (25), and the compression bolt (26) compresses the second connecting section (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010571876.7A CN111692186A (en) | 2020-06-22 | 2020-06-22 | Locking and fastening nut for excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010571876.7A CN111692186A (en) | 2020-06-22 | 2020-06-22 | Locking and fastening nut for excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111692186A true CN111692186A (en) | 2020-09-22 |
Family
ID=72482609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010571876.7A Pending CN111692186A (en) | 2020-06-22 | 2020-06-22 | Locking and fastening nut for excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111692186A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190927703A (en) * | 1909-11-29 | 1910-03-10 | Alfred Ernest Terry | Improvements in Locking and Unlocking Screw Nuts. |
| US1216954A (en) * | 1916-07-25 | 1917-02-20 | M W Perry | Lock-nut. |
| US1630958A (en) * | 1924-10-18 | 1927-05-31 | John L Mauch | Nut lock and the like |
| JP2001214918A (en) * | 2001-02-16 | 2001-08-10 | Nhk Spring Co Ltd | Simple fastening device |
| US7047843B1 (en) * | 2005-06-29 | 2006-05-23 | Ping Wen Huang | Tool coupling device |
| JP2010078139A (en) * | 2008-08-29 | 2010-04-08 | Eco Tool:Kk | Locknut |
| CN204477012U (en) * | 2014-12-18 | 2015-07-15 | 佛山市永力泰车轴有限公司 | Can the nut assembly of predetermined locking torque |
| CN105757098A (en) * | 2014-12-18 | 2016-07-13 | 佛山市永力泰车轴有限公司 | Nut assembly with pre-determinable locking torque |
-
2020
- 2020-06-22 CN CN202010571876.7A patent/CN111692186A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190927703A (en) * | 1909-11-29 | 1910-03-10 | Alfred Ernest Terry | Improvements in Locking and Unlocking Screw Nuts. |
| US1216954A (en) * | 1916-07-25 | 1917-02-20 | M W Perry | Lock-nut. |
| US1630958A (en) * | 1924-10-18 | 1927-05-31 | John L Mauch | Nut lock and the like |
| JP2001214918A (en) * | 2001-02-16 | 2001-08-10 | Nhk Spring Co Ltd | Simple fastening device |
| US7047843B1 (en) * | 2005-06-29 | 2006-05-23 | Ping Wen Huang | Tool coupling device |
| JP2010078139A (en) * | 2008-08-29 | 2010-04-08 | Eco Tool:Kk | Locknut |
| CN204477012U (en) * | 2014-12-18 | 2015-07-15 | 佛山市永力泰车轴有限公司 | Can the nut assembly of predetermined locking torque |
| CN105757098A (en) * | 2014-12-18 | 2016-07-13 | 佛山市永力泰车轴有限公司 | Nut assembly with pre-determinable locking torque |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200922 |
|
| RJ01 | Rejection of invention patent application after publication |