CN207131675U - The conical surface is oriented to screw locking device - Google Patents
The conical surface is oriented to screw locking device Download PDFInfo
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- CN207131675U CN207131675U CN201720188851.2U CN201720188851U CN207131675U CN 207131675 U CN207131675 U CN 207131675U CN 201720188851 U CN201720188851 U CN 201720188851U CN 207131675 U CN207131675 U CN 207131675U
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- conical surface
- screw
- locking
- ring
- screw rod
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Abstract
The utility model provides a kind of conical surface and is oriented to screw locking device, screw rod one end and fixed block pin joint, the affixed back-up ring of the other end；Conical surface locking set is coaxially nested in outside screw thread guide ring, and compression spring is pressed between conical surface locking set and screw thread guide ring, and limiting axial movement by pin between conical surface locking set and screw thread guide ring prevents from disengaging；The conical surface locking set be connected with screw flight, conical surface locking circle along screw rod between fixed block and the conical surface are locked and covered slidably；The outer of conical surface locking set and conical surface locking circle opposite side be provided with can the intermeshing flank of tooth, there are the round platform of projection and the conical surface of indent in center respectively, and round platform and the conical surface cooperate.The utility model can improve locking in the case of steering capability and the flank of tooth bear load.
Description
Technical field
The present invention relates to a kind of fastening-connecting device.
Background technology
At present, the electronic equipment casing in the field such as Aeronautics and Astronautics is when fixing, to realize the quick peace of electronic equipment casing
Loading, unloading, while require that large impact, strong vibration and high acceleration can be born, a kind of reliable connected mode is to use spiral
Locking device is fixedly connected to electronic equipment casing.Fig. 1 (a) is exactly current screw locking device assembling schematic sectional
Figure, 0 be clamp ring, 01 be locking cover；Fig. 1 (b), Fig. 1 (c) are respectively clamp ring, locking set part schematic diagram；Clamp ring, lock
Surely set part material uses 18-8 stainless steels.
This connected mode has two shortcomings：
(1) tooth of locking circle and locking set is only oriented in engagement by screw rod, by large impact, strong vibration and high acceleration
When, the flank of tooth of engagement easily mutually slides, and is damaged the flank of tooth.
(2) tooth area of contact is smaller, and bearing load is relatively low.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of conical surface and is oriented to screw locking device, it is possible to increase lock
Steering capability and the flank of tooth in the case of tight bear load.
The technical solution adopted for the present invention to solve the technical problems is：A kind of conical surface is oriented to screw locking device, including
Back-up ring, component, conical surface locking circle, screw rod and fixed block.
Described screw rod one end and fixed block pin joint and it can be rotated around bearing pin, the affixed back-up ring of the other end；Described component
Including pin, conical surface locking set, compression spring and screw thread guide ring, conical surface locking set is coaxially nested in outside screw thread guide ring, and
Compression spring is pressed between conical surface locking set and screw thread guide ring, passes through pin between conical surface locking set and screw thread guide ring
Limitation axial movement prevents from disengaging；Described conical surface locking circle and component are coaxially mounted on screw rod, and component is locked by the conical surface
Set be connected with screw flight, the conical surface lock enclose along screw rod between fixed block and component slidably；Conical surface locking set and
The conical surface locking circle opposite side outer be provided with can the intermeshing flank of tooth, center have respectively projection round platform and indent cone
Face, the round platform and the conical surface cooperate.
The material of the back-up ring is 17-7PH, and conical surface clamp ring, the material of screw rod are 17-4PH, and the material of fixed block is
1Cr18Ni9Ti, the material of bearing pin is 17-4PH, and the material of conical surface locking set is 18-8 stainless steels.
The beneficial effects of the invention are as follows：
1) steering capability is improved
Clamp ring uses the conical surface with locking set, in addition to the flank of tooth is oriented to, increases conical surface guide function, in the case of raising locking
Steering capability.
2) improve the flank of tooth and bear load
Under identical part external diameter, flank engagement area increase about 30%, improve the flank of tooth and bear load.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of prior art, wherein (a) is sectional view, (b) conical surface locking set part drawing, (c) is cone
Face locking circle part drawing；
Fig. 2 is the assembling schematic diagram of the present invention, wherein (a) is explosive view, (b) is sectional arrangement drawing；
Fig. 3 is the schematic sectional view of component 2 of the present invention；
Fig. 4 is conical surface locking set schematic diagram of the present invention；
Fig. 5 is conical surface locking circle clamp ring of the present invention；
Fig. 6 is support schematic diagram；
The screw locking device that Fig. 7 is the present invention is installed to support the above two relative position relation schematic diagram；
Fig. 8 is screw locking device, support and screw relative position before the screw locking device of the present invention is installed to support
Relation schematic diagram；
Fig. 9 is that screw locking device is installed to the schematic diagram after support；
Figure 10 is the schematic diagram that two sets of screw locking devices are installed on support；
Figure 11 is the schematic diagram being placed on cabinet on support；
Figure 12 is that the relative position relation of articulation screw, lock hook and self-locking nut shows before lock hook is arranged on into cabinet
It is intended to；
Figure 13 is that the schematic diagram after a lock hook is installed on cabinet；
Figure 14 is that the schematic diagram after two pieces lock hook is installed on cabinet；
Figure 15 is that conical surface locking circle is placed into the relative position relation schematic diagram before lock hook；
Figure 16 is the schematic diagram after spiral locking locking；
Figure 17 (a) is the vibratile random vibration power spectral density plot figure of work(, and (b) is the random vibration work(of durable vibration
Rate spectrum density curve map；
Figure 18 is the acceleration direction schematic diagram in acceleration test；
Figure 19 be big gun shake experiment spectrogram.
In figure, 0- clamp rings, 01- lock sleeves, 1- back-up rings, 2- components, 3- conical surfaces locking circle, 4- screw rods, 5- fixed blocks, 6-
Split pin, 7- bearing pins, 8- parts have pin, 9- conical surfaces locking set, 10- compression springs, 11- screw thread guide rings.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples, and the present invention includes but are not limited to following implementations
Example.
The present invention provides a kind of conical surface and is oriented to screw locking device, and main improve is embodied in locking set, clamp ring, respectively
See Fig. 4, Fig. 5, locking encloses the outwardly convex conical surface, angle β, locks the conical surface α, β for being cased with concaving and be equal to α.
As shown in Fig. 2 the conical surface provided by the invention is oriented to, screw locking device includes back-up ring 1, (component 2 includes zero to component 2
Part has pin 8, conical surface locking set 9, compression spring 10 and screw thread guide ring 11, sees Fig. 3), it is conical surface locking circle 3, screw rod 4, fixed
Block 5, split pin 6 and bearing pin 7.
On screw rod slidably, the conical surface locking set in component 2 is connected described conical surface locking circle with screw rod by screw thread
Connect, screw rod rotates around bearing pin, and rotational angle range is 30 ° counterclockwise, 160 ° clockwise, and screw rod end face rivets a back-up ring, is prevented
Only component and conical surface locking circle come off.
Described screw rod one end and fixed block pin joint and it can be rotated around bearing pin, the affixed back-up ring of the other end；Described component
There are pin, conical surface locking set, compression spring and screw thread guide ring including part, conical surface locking set is coaxially nested in screw thread guide ring
Outside, and by compression spring it is pressed between conical surface locking set and screw thread guide ring, leads between conical surface locking set and screw thread guide ring
Crossing pin limitation axial movement prevents from disengaging；Described conical surface locking circle and component are coaxially mounted on screw rod, and component passes through cone
Face locking set be connected with screw flight, the conical surface lock enclose along screw rod between fixed block and component slidably；The conical surface lock
The outer of fixed set and the conical surface locking circle opposite side be provided with can the intermeshing flank of tooth, there is the round platform of projection and interior at center respectively
The recessed conical surface, the round platform and the conical surface cooperate.The material of back-up ring 1 is 17-7PH, and conical surface clamp ring 3, the material of screw rod 4 are
17-4PH, the material of fixed block 5 are 1Cr18Ni9Ti, and the material of bearing pin 7 is 17-4PH, and conical surface locking 9 materials of set are stainless using 18-8
Steel.
The conical surface of the present invention is oriented to screw locking device performance and meets GJB150-86 standards, simulates cabinet gross weight about 22Kg,
Screw locking device two pieces, 18 DEG C~25 DEG C of temperature, humidity 42%RH, atmospheric pressure is standard atmospheric pressure.
Specific experiment is as follows：
1. vibration test.Meet GJB150.16-86.Oscillation power spectrum such as Figure 17, wherein Figure 17 (a) is that function vibrates work(
Rate is composed, and Figure 17 (b) composes for durable oscillation power, and experiment carries out function vibration in 1 hour, durable vibration in 2 hours.
2. impact test.Meet GJB150.18-86.From final peak sawtooth shock ripple, peak accelerator 20g, duration
11ms.Along three mutually perpendicular six axial directions, apply impact in order, each direction applies impact three times, six axial directions
Impact 18 times altogether.
3. acceleration test.Meet GJB150.5-86.Acceleration direction and experiment value are shown in Table 1, and Figure 18 is seen in direction, often
Individual axial direction continues 3min under defined acceleration magnitude.
The acceleration performance test value of table 1
Unit：m/s2
| Acceleration direction | Forward | Backward | Upwards | Downwards | To the left | To the right |
| Overload (g) | 13.75 | -13.75 | 13.75 | -13.75 | -13.75 | 13.75 |
The experiment 4. big gun shakes.Meet GJB150.20-86.Big gun shake experiment spectrogram see Figure 18.
The assembling of the present invention uses process such as Fig. 6~Figure 16.Originally applying real process needs to install two pieces conical surface guiding spiral lock
Tight device.
Specific installation process is as follows：
1) cabinet stand 12 (such as Fig. 6) with screw hole is got out；
2) the fixed block screwed hole that the conical surface is oriented in screw locking device 13 is alignd into (such as Fig. 7) with the screw hole of support 12,
It is placed in the lower section of support 12；
3) (four) axis of screw 14 is alignd (such as Fig. 8) with the screw hole of support 12, is placed in the top of support 12；
4) screw 14 is screwed into fixed block screwed hole (such as Fig. 9) with instrument；
5) repetitive process 1)~4), complete the installation (such as Figure 10) that another conical surface is oriented to screw locking device；
6) installation site (such as Figure 11) being positioned over cabinet 15 on support 12；
7) self-locking nut 16, lock hook 17, articulation screw 18 are alignd into (such as Figure 12) with cabinet mounting hole；
8) articulation screw 18 is screwed into self-locking nut 16 with instrument, lock hook installs (such as Figure 13)；
9) repetitive process 6)~8), complete the installation (such as Figure 14) that another conical surface is oriented to screw locking device；
10) it is after two pieces conical surface guiding screw locking device is lifted up successively, conical surface locking circle 3 is oblique along screw axis
Slide downward, its position with pit is placed in the bossing oblique upper (such as Figure 15) of lock hook 17；
11) rotary components 2, conical surface locking 3 flank of tooth of circle is alignd with the conical surface locking set flank of tooth in component 2 and engaged, use hand
Component 2 is tightened, cabinet is connected (such as Figure 16) with support；
12) repetitive process 11) connected (such as Figure 16) that another conical surface is oriented to screw locking device and cabinet is completed, machine
Case installs.
Unloading process is opposite with installation process.
Claims (2)
1. a kind of conical surface is oriented to screw locking device, including back-up ring, component, the conical surface locking circle, screw rod and fixed block, its feature exist
In：Described screw rod one end and fixed block pin joint and it can be rotated around bearing pin, the affixed back-up ring of the other end；Described component includes pin
Nail, conical surface locking set, compression spring and screw thread guide ring, conical surface locking set are coaxially nested in outside screw thread guide ring, and will compression
Spring compression is locked between set and screw thread guide ring in the conical surface, and axle is limited by pin between conical surface locking set and screw thread guide ring
Prevent from disengaging to motion；Described conical surface locking circle and component are coaxially mounted on screw rod, and component locks set and spiral shell by the conical surface
Bar be threadedly coupled, the conical surface locking circle along screw rod between fixed block and component slidably；The conical surface locking set and conical surface lock
Surely enclose opposite side outer be provided with can the intermeshing flank of tooth, center have respectively projection round platform and indent the conical surface, institute
State round platform and the conical surface cooperates.
2. the conical surface according to claim 1 is oriented to screw locking device, it is characterised in that：The material of the back-up ring is 17-
7PH, conical surface clamp ring, the material of screw rod are 17-4PH, and the material of fixed block is 1Cr18Ni9Ti, and the material of bearing pin is 17-
4PH, the material of conical surface locking set is 18-8 stainless steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720188851.2U CN207131675U (en) | 2017-03-01 | 2017-03-01 | The conical surface is oriented to screw locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720188851.2U CN207131675U (en) | 2017-03-01 | 2017-03-01 | The conical surface is oriented to screw locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207131675U true CN207131675U (en) | 2018-03-23 |
Family
ID=61630211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720188851.2U Active CN207131675U (en) | 2017-03-01 | 2017-03-01 | The conical surface is oriented to screw locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207131675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109398544A (en) * | 2018-07-06 | 2019-03-01 | 瑞振车料（太仓）有限公司 | bearing device |
-
2017
- 2017-03-01 CN CN201720188851.2U patent/CN207131675U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109398544A (en) * | 2018-07-06 | 2019-03-01 | 瑞振车料（太仓）有限公司 | bearing device |
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