CN203856862U - Lock washer for round nut - Google Patents
Lock washer for round nut Download PDFInfo
- Publication number
- CN203856862U CN203856862U CN201420178345.1U CN201420178345U CN203856862U CN 203856862 U CN203856862 U CN 203856862U CN 201420178345 U CN201420178345 U CN 201420178345U CN 203856862 U CN203856862 U CN 203856862U
- Authority
- CN
- China
- Prior art keywords
- lock washer
- round nut
- axis body
- shaft body
- key slots
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a lock washer for a round nut. The lock washer for the round nut comprises a shaft body, a lock washer body and the round nut; a plurality of key slots are formed at the top of the shaft body; lugs are formed among the key slots; threads are arranged at the outer surface of each lug; the lock washer body with a plurality of inner teeth and outer teeth is sheathed in the part, provided with the key slots, of the shaft body; the inner teeth are clamped in the key slots to connect and fix the lock washer body and the shaft body; the round nut of which the inside wall is provided with threads is screwed into the shaft body so as to be connected with the threads on the lugs. A plurality of notches are formed in the outer wall of the round nut; the outer teeth are bent and clamped in the notches. The lock washer is clamped between the shaft body and the round nut. The number of the inner teeth is equal to that of the key slots. The lock washer for the round nut has the beneficial effects of reasonable and simple structural design, low cost and capability of effectively preventing loosening.
Description
Technical field
The utility model relates to a kind of technical field of fastening, the round nut lock washer on especially a kind of tractor.
Background technique
Round nut claims again floor clip with lock washer, and popular name cuckold pad is a kind of packing ring that prevents that round nut is loosening.As everyone knows, tractor shakes strongly after startup, axis body on it is connected for a long time and is given a shock with round nut, easily loosening, operation tractor easily causes damage like this, lock washer of the prior art is generally body external tooth is set outward, and the round nut that this fastening strength cannot meet on tractor uses.
Model utility content
For addressing the above problem, the purpose of this utility model be to provide a kind of reasonable in design simple, cheap, effectively prevent loosening round nut lock washer.
For achieving the above object, the technical solution of the utility model is:
A kind of round nut lock washer, comprise axis body, lock washer body, round nut, described axis body top has some keyways, between some keyways, form projection, each projection outer surface is provided with screw thread, the described lock washer body with some internal tooths and external tooth is inserted in axis body and has the position of keyway, and internal tooth snaps in keyway lock washer body and axis body are connected and fixed, and described madial wall is opened the screw thread that threaded round nut is screwed on axis body and projection and joined.
As preferably, on described round nut outer wall, have some notches, external tooth bending snaps in notch.
As preferably, described lock washer body is clipped between axis body and round nut.
As preferably, described internal tooth quantity is identical with keyway quantity.
Compared with prior art, the beneficial effects of the utility model: reasonable in design is simple, cheap, effectively prevent from becoming flexible.
Brief description of the drawings
Fig. 1 is mounting structure schematic diagram of the present utility model.
Fig. 2 is structural perspective of the present utility model.
Fig. 3 is partial structurtes sectional view of the present utility model.
Fig. 4 is the structural representation of lock washer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1,2,3, 4, a kind of round nut lock washer, comprise axis body 1, lock washer body 2, round nut 3, described axis body 1 top has some keyways 6, between some keyways 6, form projection 7, each projection 7 outer surfaces are provided with screw thread 8, the described lock washer body 2 with some internal tooths 9 and external tooth 5 is inserted in axis body 1 and has the position of keyway 6, internal tooth 9 snaps in that keyway 6 is interior is connected and fixed lock washer body 2 and axis body 1, and the round nut 3 that described madial wall has a screw thread 8 is screwed into axis body 1 and joins with the screw thread 8 on projection 7.On described round nut 3 outer walls, have some notches 4, external tooth 5 bendings snap in notch 4.Described lock washer body 2 is clipped between axis body 1 and round nut 3.Described internal tooth 9 quantity are identical with keyway 6 quantity.Be inserted in projection 7 parts of axis body 1 by lock washer body 2, the internal tooth 9 of lock washer body 2 embeds in keyway 6 lock washer body 2 is fixed on axis body 1, cannot rotate, then the round nut 3 that madial wall is provided with screw thread 8 is screwed into projection 7, lock washer body 2 is clipped between axis body 1 and round nut 3, the external tooth 5 of lock washer body 2 is bent into axially, snap in notch 4, make axis body 1, lock washer body 2 and round nut 3 are locked, greatly increase fastening strength, prevent from becoming flexible, make axis body 1 and round nut 3 on tractor use safety, not fragile, reduce maintenance cost.The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a round nut lock washer, comprise axis body (1), lock washer body (2), round nut (3), it is characterized in that, described axis body (1) top has some keyways (6), between some keyways (6), form projection (7), each projection (7) outer surface is provided with screw thread (8), the described lock washer body (2) with some internal tooths (9) and external tooth (5) is inserted in axis body (1) and has the position of keyway (6), internal tooth (9) snaps in keyway (6) lock washer body (2) and axis body (1) is connected and fixed, the round nut (3) that described madial wall has screw thread (8) is screwed into axis body (1) and joins with the screw thread (8) on projection (7).
2. a kind of round nut lock washer according to claim 1, is characterized in that, on described round nut (1) outer wall, has some notches (4), and external tooth (5) bending snaps in notch (4).
3. a kind of round nut lock washer according to claim 1, is characterized in that, described lock washer body (2) is clipped between axis body (1) and round nut (3).
4. a kind of round nut lock washer according to claim 1, is characterized in that, described internal tooth (9) quantity is identical with keyway (6) quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178345.1U CN203856862U (en) | 2014-04-14 | 2014-04-14 | Lock washer for round nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178345.1U CN203856862U (en) | 2014-04-14 | 2014-04-14 | Lock washer for round nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203856862U true CN203856862U (en) | 2014-10-01 |
Family
ID=51606714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420178345.1U Expired - Fee Related CN203856862U (en) | 2014-04-14 | 2014-04-14 | Lock washer for round nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203856862U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912902A (en) * | 2015-06-17 | 2015-09-16 | 无锡市天力五金弹簧厂 | Fastener structure |
| CN105275961A (en) * | 2015-10-09 | 2016-01-27 | 武汉武船机电设备有限责任公司 | Locking structure |
| CN107061517A (en) * | 2017-02-20 | 2017-08-18 | 浙江佳力科技股份有限公司 | Rolling bearing hydraulic withdrawal structure |
-
2014
- 2014-04-14 CN CN201420178345.1U patent/CN203856862U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912902A (en) * | 2015-06-17 | 2015-09-16 | 无锡市天力五金弹簧厂 | Fastener structure |
| CN105275961A (en) * | 2015-10-09 | 2016-01-27 | 武汉武船机电设备有限责任公司 | Locking structure |
| CN105275961B (en) * | 2015-10-09 | 2018-10-02 | 武汉武船机电设备有限责任公司 | A kind of chocking construction |
| CN107061517A (en) * | 2017-02-20 | 2017-08-18 | 浙江佳力科技股份有限公司 | Rolling bearing hydraulic withdrawal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20150414 |
|
| EXPY | Termination of patent right or utility model |