CN109973500A - A kind of stop nut and its application method - Google Patents
A kind of stop nut and its application method Download PDFInfo
- Publication number
- CN109973500A CN109973500A CN201910184770.9A CN201910184770A CN109973500A CN 109973500 A CN109973500 A CN 109973500A CN 201910184770 A CN201910184770 A CN 201910184770A CN 109973500 A CN109973500 A CN 109973500A
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- CN
- China
- Prior art keywords
- voussoir
- briquetting
- thread spindle
- nut
- nut body
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 229910001369 Brass Inorganic materials 0.000 claims description 4
- 239000010951 brass Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 230000002457 bidirectional effect Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008774 maternal effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- F16B37/00—Nuts or like thread-engaging members
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a kind of stop nut and its application methods, including the nut body being threadedly coupled with thread spindle, side on the nut body close to thread spindle is provided with wedge groove, voussoir is provided in the wedge groove, the side of face thread spindle is provided with block slots in the wedge groove, and being provided in the block slots can be along the briquetting that nut body moves radially；The voussoir side is bonded with the external screw thread on thread spindle, the voussoir other side is bonded with briquetting, the transverse width of the briquetting is greater than the transverse width of voussoir, the thickness that direction one end thickness is greater than the other end is screwed out close to nut body on the voussoir, the hold-down mechanism for driving briquetting to apply pressing force to voussoir is provided between the nut body and briquetting.Anti-loosing effect of the present invention is good, when in use, only need to just be able to achieve anti-loosing effect by a nut, without lengthening to thread spindle, reduce thread spindle to the occupied space of appliance arrangement, save cost.
Description
Technical field
The present invention relates to nut anti-looseness technical field, in particular to a kind of stop nut and application method.
Background technique
In present apparatus, many places will use and be bolted.In long-time use process, nut with
It is easy to produce loosening between stud, leads to Joint failure.Locking thread is the technical issues of must solving due to safety concerns.It is double
Nut locking structure is a kind of currently used anti-loose structure.Such as China Patent Publication No. CN108194477A, denomination of invention
Clamp device is moved for a kind of self-locking pairs of anti-loose nut, by forward and reverse double thread bolt, fastening nut, stop nut, spring pad
Circle is constituted, and fastening nut is provided with spring washer between fastener, stop nut and fastening nut；Fastening nut and limit
The rotation direction of thread of nut is on the contrary, when fastening nut is right-handed thread, and stop nut is left hand thread, and fastening nut is left-handed
When screw thread, stop nut is right-handed thread；Fastening nut is provided with fastening nut positive stop key close to the side of spring washer；Limit
Position nut is provided with stop nut positive stop key close to the side of tight spring washer；Fastening nut positive stop key and stop nut limit
Key cooperates with the end thereof contacts of spring washer respectively；The spring when fastening nut is right-handed thread, and stop nut is left hand thread
Washer is left-handed spring washer, and when fastening nut is left hand thread, spring washer is dextrorotation bullet when stop nut is right-handed thread
Spring washer.The invention is disadvantageous in that: since this locking mode needs to use two nuts simultaneously, need in bolt or
Advance reservation goes out enough arrangement spaces on person's thread spindle, just needs to lengthen on bolt or thread spindle in this way, not only increase
Cost also increases bolt or thread spindle to the occupied space of appliance arrangement, is unfavorable for the miniaturization of appliance arrangement；Secondly,
The locking gear need to be used while use two nuts, and positive and negative bidirectional helical is necessarily provided on bolt, meet above-mentioned condition
Anti-loosing effect can be reached, and does not have the condition of positive and negative bidirectional helical on currently used bolt or thread spindle, therefore this
The locking mode of kind is difficult to apply on general bolt or thread spindle, and use scope is by biggish limitation.
Summary of the invention
Present invention aim to address existing pairs of anti-loose nut mechanisms must use two nuts simultaneously when in use, needs
Advance reservation to go out enough arrangement spaces on bolt perhaps thread spindle bolt or thread spindle caused to be lengthened,
The problem of not only increasing cost, also increasing the occupied space of bolt or thread spindle to appliance arrangement provides a kind of locking
Nut and its application method, can effectively solve the problem that the above problem.
The purpose of the present invention is what is be achieved through the following technical solutions: a kind of stop nut, including connects with screw thread axle thread
The nut body connect, the side on the nut body close to thread spindle are provided with wedge groove, are provided with wedge in the wedge groove
Block, the side of face thread spindle is provided with block slots in the wedge groove, and being provided in the block slots can be along nut body diameter
To mobile briquetting；The voussoir side is bonded with the external screw thread on thread spindle, and the voussoir other side is bonded with briquetting, described
The transverse width of briquetting is greater than the transverse width of voussoir, screws out direction one end thickness close to nut body on the voussoir and is greater than separately
The thickness of one end, frictional force when contacting between the voussoir and briquetting are less than frictional force when voussoir is contacted with thread spindle；Institute
State the connection control mechanism for being provided between briquetting and voussoir and being connected or be disconnected with voussoir for controlling briquetting, the spiral shell
The hold-down mechanism for driving briquetting to apply pressing force to voussoir is provided between maternal body and briquetting.
In the present invention, the locking purpose of nut is realized using voussoir.When nut body is when screwing in thread spindle, voussoir is sharp
It is connected with connection control mechanism with briquetting, in this way, voussoir can be synchronous with nut body when nut body is when screwing in thread spindle
It is mobile.When screwing nut body, voussoir is disconnected with briquetting by connection control mechanism, then utilize hold-down mechanism
Pressing force is applied to voussoir, so that voussoir is adjacent to thread spindle side, nut body and thread spindle are just in locking state.Setting
Voussoir between wedge groove and thread spindle can be by nut body wedging on thread spindle.When being in locking state, due to wedge
Frictional force when contacting between block and briquetting is less than frictional force when voussoir is contacted with thread spindle, and such nut body is rotating
When, voussoir can keep relatively fixed with thread spindle, and then can opposite rotation between briquetting and voussoir；Due to nut sheet close on voussoir
Body screws out the thickness that direction one end thickness is greater than the other end, in this way when nut body is rotated toward the direction unscrewed, due to nut
Ontology can be mobile toward the biggish one end of voussoir thickness, and nut body wedging will be limited the loosening of nut body by voussoir, thus
Play anti-loosing effect.When disassembly is desired, regulation hold-down mechanism is only needed, voussoir and briquetting are unclamped, such nut body is just
It can normally be screwed out from thread spindle.In the use of the present invention, only anti-loosing effect need to be just able to achieve by a nut, without to spiral shell
Line axis is lengthened, and is reduced thread spindle to the occupied space of appliance arrangement, is saved cost.Compared to traditional pairs of anti-loose nut
Mechanism, the present invention are equal on general bolt or thread spindle it is not necessary that positive and negative bidirectional helical is arranged on thread spindle perhaps bolt
Applicable, use scope is more extensive.
Preferably, the transversal cross-section of the briquetting is arc-shaped.
Preferably, the voussoir close to the side of thread spindle be provided with can be mutually chimeric with the external screw thread on thread spindle it is embedding
Close layer.The hybrid layer can be embedded under pressure in the external screw thread on thread spindle, be mentioned by way of being embedded in screw thread
The compactness of high voussoir and thread spindle side increases the frictional force between voussoir and thread spindle.
Preferably, the hybrid layer is made of rubber or brass.The material is soft for the rubber or brass, Neng Gouyou
In effect ground insertion screw thread, so that the compactness with screw thread is more preferable.
Preferably, the connection control mechanism includes the first threaded hole being arranged on briquetting, it is close on the voussoir
The side of briquetting is provided with the second threaded hole corresponding with the first threaded hole, is threaded with connection in first threaded hole
The front end of screw, the attachment screw is protruded into the second threaded hole when briquetting and voussoir are in connection status, the connection spiral shell
One end far from briquetting is followed closely to pass through nut body and extend to the outside of nut body.It is rotatablely connected screw, makes attachment screw
Front end screws in the second threaded hole, and such voussoir is connected convenient for briquetting；Reversely rotate attachment screw, make the front end of attachment screw from
It is screwed out in second threaded hole, such voussoir is disconnected convenient for briquetting.
Preferably, the hold-down mechanism includes the housing screw being threaded on nut body, the housing screw
It is arranged along the moving direction of briquetting, the front end of the housing screw and briquetting are inconsistent, and the other end of the housing screw prolongs
Extend to the outside of nut body.The hold-down mechanism makes housing screw generate axial movement, pushes by rotatably compressing screw
Briquetting is mobile, so that briquetting is pushed voussoir and makes voussoir and screw thread shaft compression.
A kind of application method of stop nut, comprises the following specific steps that:
1) attachment screw is rotated, the front end of attachment screw is screwed in the second threaded hole being located on voussoir, by voussoir and briquetting
It is connected；
2) nut body is screwed in thread spindle and is screwed；
3) attachment screw is rotated, the front end of attachment screw is screwed out from the second threaded hole, is disconnected voussoir with briquetting；
4) screw is rotatably compressed, voussoir and screw thread shaft compression are made.
In step 1), the front end of attachment screw is screwed in the second threaded hole being located on voussoir, voussoir briquetting is connected, this
Sample, when screwing in thread spindle, voussoir can move together nut body with nut body.In step 4), screw is rotatably compressed, is made
Voussoir and screw thread shaft compression, after compaction, the hybrid layer of voussoir front end can be embedded in the outer of thread spindle to voussoir under pressure
In screw thread, voussoir is by nut body and thread spindle wedging, to play anti-loose effect.
The beneficial effects of the present invention are: in the use of the present invention, only need to just be able to achieve anti-loosing effect, nothing by a nut
Thread spindle need to be lengthened, reduce thread spindle to the occupied space of appliance arrangement, save cost.Compared to traditional double spiral shells
Female locking gear, the present invention on thread spindle perhaps bolt without being arranged positive and negative bidirectional helical in general bolt or screw thread
Applicable on axis, use scope is more extensive.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the present invention and schematic diagram when screw thread axis connection.
Fig. 3 is the cross-sectional view in the direction A-A in Fig. 2.
Fig. 4 is the portion a enlarged drawing in Fig. 3.
Fig. 5 is the cross-sectional view in the direction B-B in Fig. 2.
In figure: 1, nut body, 2, wedge groove, 3, briquetting, 4, voussoir, 5, attachment screw, 6, housing screw, 7, screw thread
Axis, 8, hybrid layer, 9, block slots, the 10, first threaded hole, the 11, second threaded hole, 12, through-hole.
Specific embodiment
Below by specific embodiment and in conjunction with attached drawing, the invention will be further described.
Embodiment: as shown in Figures 1 to 5, a kind of stop nut, including the nut body 1 being threadedly coupled with thread spindle 7.
The internal screw thread to match with thread spindle 7 is provided on nut body 1.Side on nut body 1 close to thread spindle 7 is provided with wedge
Block slot 2.The transversal cross-section of wedge groove 2 is arc-shaped.Voussoir 4 is provided in wedge groove 2.The one of face thread spindle 7 in wedge groove 2
Side is provided with block slots 9.The opening face thread spindle 7 of block slots 9.Being provided in block slots 9 can move radially along nut body 1
Briquetting 3.Briquetting 3 matches with block slots 9.The transversal cross-section of briquetting 3 is arc-shaped.Voussoir 4 close to thread spindle 7 side with
External screw thread fitting on thread spindle 7,4 other side of voussoir is bonded with briquetting 3.The transverse width of briquetting 3 is greater than the laterally wide of voussoir 4
It spends, is greater than the thickness of the other end on voussoir 4 close to one end thickness that nut body 1 screws out direction.Voussoir 4 and briquetting 3 are indirectly
Frictional force when touching is less than frictional force when voussoir 4 is contacted with thread spindle 7.Voussoir 4 is provided with close to the side of thread spindle 7 can be with
The hybrid layer 8 that external screw thread on thread spindle 7 is mutually fitted into.In the present embodiment, hybrid layer 8 is made of rubber or brass.
The connection control for being connected or being disconnected with voussoir 4 for controlling briquetting 3 is provided between briquetting 3 and voussoir 4
Mechanism.Connection control mechanism includes the first threaded hole being arranged on briquetting 3.On voussoir 4 close to briquetting 3 side be provided with
Corresponding second threaded hole 11 of first threaded hole 10.Attachment screw 5 is threaded in first threaded hole 10.Attachment screw 5
One end far from briquetting 4 passes through the outside that the through-hole 12 being arranged on threaded body 1 extends to nut body 1.When briquetting 3 and wedge
When block 4 is in connection status, the front end of attachment screw 5 is screwed in the second threaded hole.When attachment screw screws out the second threaded hole,
Briquetting 3 is disconnected with voussoir 4.
Hold-down mechanism is provided between nut body 1 and briquetting 3.Hold-down mechanism is for pushing briquetting 3 to move through pressure
Block 3 applies pressing force to voussoir 4.Hold-down mechanism includes the housing screw 6 for being threaded in nut body 1.In the present embodiment, pressure
There are two the tight settings of screw 6, is located at the both ends of briquetting.Housing screw 6 is arranged along the moving direction of briquetting 3.Compress spiral shell
The front end of nail 6 and briquetting 3 are inconsistent.The other end of housing screw 6 extends to the outside of nut body 1.Hold-down mechanism passes through rotation
Turn housing screw, housing screw is made to generate axial movement, push briquetting mobile, so that briquetting is pushed voussoir and make voussoir and screw thread
Shaft compression.
In the use of the present invention, comprising the following specific steps that: 1) rotating attachment screw 5, the front end of attachment screw 5 is screwed in
In the second threaded hole 11 on voussoir 4, voussoir 4 is connected with briquetting 3；2) nut body 1 is screwed in thread spindle 7 and is revolved
Tightly；3) attachment screw 5 is rotated, the front end of attachment screw 5 is screwed out from the second threaded hole 11, voussoir 4 and briquetting 3 is detached from and connects
It connects；4) screw 6 is rotatably compressed, voussoir 4 and thread spindle 7 are compressed.
In the present invention, the locking purpose of nut is realized using voussoir.When nut body is when screwing in thread spindle, voussoir is sharp
It is connected with connection control mechanism with briquetting, in this way, voussoir can be synchronous with nut body when nut body is when screwing in thread spindle
It is mobile.When screwing nut body, voussoir is disconnected with briquetting by connection control mechanism, then utilize hold-down mechanism
Pressing force is applied to voussoir, so that voussoir is adjacent to thread spindle side, nut body and thread spindle are just in locking state.Setting
Voussoir between wedge groove and thread spindle can be by nut body wedging on thread spindle.When being in locking state, due to wedge
Frictional force when contacting between block and briquetting is less than frictional force when voussoir is contacted with thread spindle, and such nut body is rotating
When, voussoir can keep relatively fixed with thread spindle, and then can opposite rotation between briquetting and voussoir；Due to nut sheet close on voussoir
Body screws out the thickness that direction one end thickness is greater than the other end, in this way when nut body is rotated toward the direction unscrewed, due to nut
Ontology can be mobile toward the biggish one end of voussoir thickness, and nut body wedging will be limited the loosening of nut body by voussoir, thus
Play anti-loosing effect.When disassembly is desired, regulation hold-down mechanism is only needed, voussoir and briquetting are unclamped, such nut body is just
It can normally be screwed out from thread spindle.In the use of the present invention, only anti-loosing effect need to be just able to achieve by a nut, without to spiral shell
Line axis is lengthened, and is reduced thread spindle to the occupied space of appliance arrangement, is saved cost.Compared to traditional pairs of anti-loose nut
Mechanism, the present invention are equal on general bolt or thread spindle it is not necessary that positive and negative bidirectional helical is arranged on thread spindle perhaps bolt
Applicable, use scope is more extensive.
Finally, it should be noted that these are only the preferred embodiment of the present invention, it is not intended to restrict the invention, although
Present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features, it is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (7)
1. a kind of stop nut, including the nut body (1) being threadedly coupled with thread spindle (7), it is characterised in that: the nut sheet
Side on body (1) close to thread spindle (7) is provided with wedge groove (2), is provided with voussoir (4), the wedge in the wedge groove (2)
The side of face thread spindle (7) is provided with block slots (9) on block slot (2), and being provided in the block slots (9) can be along nut body
(1) briquetting (3) moved radially；Voussoir (4) side is bonded with the external screw thread on thread spindle (7), and the voussoir (4) is another
Side is bonded with briquetting (3), and the transverse width of the briquetting (3) is greater than the transverse width of voussoir (4), close on the voussoir (4)
One end thickness that nut body (1) screws out direction is greater than the thickness of the other end, when contacting between the voussoir (4) and briquetting (3)
Frictional force be less than frictional force when voussoir (4) and thread spindle (7) contact；It is arranged between the briquetting (3) and voussoir (4) useful
In the connection control mechanism that control briquetting (3) is connected or is disconnected with voussoir (4), the nut body (1) and briquetting (3)
Between be provided with for drive briquetting (3) to voussoir (4) apply pressing force hold-down mechanism.
2. a kind of stop nut according to claim 1, which is characterized in that the transversal cross-section of the briquetting (3) is circular arc
Shape.
3. a kind of stop nut according to claim 1, which is characterized in that the one of the voussoir (4) close thread spindle (7)
Side is provided with hybrid layer (8) that can be mutually chimeric with the external screw thread on thread spindle (7).
4. a kind of stop nut according to claim 3, which is characterized in that the hybrid layer (8) is by rubber or brass
It is made.
5. a kind of stop nut according to claim 1 or 2 or 3 or 4, which is characterized in that the connection control mechanism packet
The first threaded hole (10) being arranged on briquetting (3) is included, is provided with and first on the voussoir (4) close to the side of briquetting (3)
Corresponding second threaded hole (11) of threaded hole (10) is threaded with attachment screw (5), institute in first threaded hole (10)
The front end for stating attachment screw (5) is protruded into the second threaded hole (11) when briquetting (3) and voussoir (4) are in connection status, described
Attachment screw (5) passes through nut body (1) far from the one end of briquetting (4) and extends to the outside of nut body (1).
6. a kind of stop nut according to claim 1 or 2 or 3 or 4, which is characterized in that the hold-down mechanism includes spiral shell
Line is connected to the housing screw (6) on nut body (1), and the housing screw (6) is arranged along the moving direction of briquetting (3),
The front end of the housing screw (6) and briquetting (3) are inconsistent, and the other end of the housing screw (6) extends to nut body (1)
Outside.
7. a kind of application method of stop nut described in a kind of any one according to claim 1 ~ 6, which is characterized in that including
Following specific steps:
1) attachment screw (5) are rotated, the front end of attachment screw (5) are screwed in the second threaded hole (11) being located on voussoir (4),
Voussoir (4) is connected with briquetting (3)；
2) nut body (1) is screwed in thread spindle (7) and is screwed；
3) attachment screw (5) are rotated, the front end of attachment screw (5) is screwed out from the second threaded hole (11), makes voussoir (4) and pressure
Block (3) is disconnected；
4) screw (6) are rotatably compressed, voussoir (4) and thread spindle (7) are compressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184770.9A CN109973500B (en) | 2019-03-12 | 2019-03-12 | Locknut and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184770.9A CN109973500B (en) | 2019-03-12 | 2019-03-12 | Locknut and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109973500A true CN109973500A (en) | 2019-07-05 |
| CN109973500B CN109973500B (en) | 2020-11-17 |
Family
ID=67078596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910184770.9A Active CN109973500B (en) | 2019-03-12 | 2019-03-12 | Locknut and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109973500B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630619A (en) * | 2019-10-21 | 2019-12-31 | 杜建龙 | Anti-loose combined fastener with precise structure |
| CN115076207A (en) * | 2022-08-22 | 2022-09-20 | 广东电网有限责任公司肇庆供电局 | Self-locking nut |
| CN116007891A (en) * | 2023-03-24 | 2023-04-25 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Locking connection device of wind tunnel balance support rod |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994007041A1 (en) * | 1992-09-11 | 1994-03-31 | Norman Leslie Matthews | Self-locking nut assembly |
| CN201455840U (en) * | 2009-06-09 | 2010-05-12 | 衡阳风顺车桥有限公司 | Clamping driving plate for shaft with threads at two ends |
| CN103643872A (en) * | 2013-12-11 | 2014-03-19 | 中国建筑标准设计研究院 | Novel track sealing device |
| CN203532471U (en) * | 2013-09-25 | 2014-04-09 | 广州市昊志机电股份有限公司 | Locking nut |
| CN204277895U (en) * | 2014-11-05 | 2015-04-22 | 中国人民解放军第二炮兵工程大学 | A kind of studs quick despatch instrument |
-
2019
- 2019-03-12 CN CN201910184770.9A patent/CN109973500B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994007041A1 (en) * | 1992-09-11 | 1994-03-31 | Norman Leslie Matthews | Self-locking nut assembly |
| CN201455840U (en) * | 2009-06-09 | 2010-05-12 | 衡阳风顺车桥有限公司 | Clamping driving plate for shaft with threads at two ends |
| CN203532471U (en) * | 2013-09-25 | 2014-04-09 | 广州市昊志机电股份有限公司 | Locking nut |
| CN103643872A (en) * | 2013-12-11 | 2014-03-19 | 中国建筑标准设计研究院 | Novel track sealing device |
| CN204277895U (en) * | 2014-11-05 | 2015-04-22 | 中国人民解放军第二炮兵工程大学 | A kind of studs quick despatch instrument |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630619A (en) * | 2019-10-21 | 2019-12-31 | 杜建龙 | Anti-loose combined fastener with precise structure |
| CN115076207A (en) * | 2022-08-22 | 2022-09-20 | 广东电网有限责任公司肇庆供电局 | Self-locking nut |
| CN116007891A (en) * | 2023-03-24 | 2023-04-25 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Locking connection device of wind tunnel balance support rod |
| CN116007891B (en) * | 2023-03-24 | 2023-05-30 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Locking connection device of wind tunnel balance support rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109973500B (en) | 2020-11-17 |
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