CN113062911A - Self-locking gapless adjusting screw with torque and optical attenuator - Google Patents
Self-locking gapless adjusting screw with torque and optical attenuator Download PDFInfo
- Publication number
- CN113062911A CN113062911A CN202110280914.8A CN202110280914A CN113062911A CN 113062911 A CN113062911 A CN 113062911A CN 202110280914 A CN202110280914 A CN 202110280914A CN 113062911 A CN113062911 A CN 113062911A
- Authority
- CN
- China
- Prior art keywords
- screw
- rod
- thread
- screw thread
- groove
- 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
- 230000003287 optical effect Effects 0.000 title claims description 25
- 230000000903 blocking effect Effects 0.000 claims description 36
- 229910001369 Brass Inorganic materials 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 239000010951 brass Substances 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000005489 elastic deformation Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 11
- 239000011295 pitch Substances 0.000 description 11
- 238000007789 sealing Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000002035 prolonged effect Effects 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
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/30—Locking exclusively by special shape of the screw-thread
-
- 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
- F16B33/00—Features common to bolt and nut
- F16B33/004—Sealing; Insulation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
- G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The utility model belongs to the technical field of connecting screw, a but zero clearance adjusting screw of tape torque auto-lock and light attenuator is related to, including the body of rod, still including set up in on the body of rod week lateral wall and leading screw thread and the rearmounted screw thread that the pitch is the same, leading screw thread with rearmounted screw thread all winds the body of rod is the helix and extends the setting, just be located on the body of rod week lateral wall leading screw thread with be provided with the elasticity groove between the rearmounted screw thread, the interval between leading screw thread and the rearmounted screw thread is greater than or is less than the integral multiple of the pitch of leading screw thread; the elastic groove can generate elastic deformation in the process that the rear thread is screwed into the screw hole, so that the front thread and the rear thread are driven to abut against the groove wall of the thread groove in the screw hole, the rod body is further fixed to the screw hole relatively, the torsion screw cannot move, and the applicability of the torsion screw is improved.
Description
Technical Field
The application belongs to the field of connecting screws, and particularly relates to a self-locking gapless adjusting screw with torsion and an optical attenuator.
Background
At present, the optical attenuator is a very important device, is widely applied, is used in almost every system, and has the main functions of ensuring that all devices in the whole system work within a reasonable and safe power range and controlling the input power, the output power and the like of the system and the devices.
The light attenuation adjusting method of the mechanical light attenuator mainly drives the light blocking element to move by means of screw thread transmission, so that the light blocking element blocks light in a light path in different areas, and light attenuation is realized; the mechanical variable optical attenuator is characterized in that a light blocking element is arranged in two light collimators, the light blocking element is in a cone structure, and the amount of blocking light is changed through the movement of the cone, so that the attenuation value of light is changed; the movement of the cone is realized by the transmission of precise small-pitch threads, and the transmission precision of the threads plays a decisive role in the attenuation precision and the repetition precision of the optical attenuator.
In the conventional screw transmission, due to the existence of the space between the nut and the screw rod and the mechanical abrasion in the using process, the space is larger and larger, so that the screw inevitably moves up and down and circumferentially in the screw transmission process.
Disclosure of Invention
In order to improve the suitability of screw, avoid the screw about the screw appears in the screw thread transmission process and the condition of circumference drunkenness, this application provides a but zero clearance adjusting screw of torsion auto-lock.
The application provides a but zero clearance adjusting screw of tape torsion auto-lock adopts following technical scheme:
the utility model provides a but zero clearance adjusting screw of tape torque force auto-lock, includes the body of rod, still including set up in on the body of rod week lateral wall and leading screw thread and the rearmounted screw thread that the pitch is the same, leading screw thread with rearmounted screw thread all winds the body of rod is the helix and extends the setting, just be located on the body of rod week lateral wall leading screw thread with be provided with the elasticity groove between the rearmounted screw thread, leading screw thread with interval between the rearmounted screw thread is greater than or is less than the integral multiple of the pitch of leading screw thread.
By adopting the technical scheme, the respective screw pitches of the front screw thread and the rear screw thread are the same as those of the screw hole matched with the rod body, the front screw thread and the rear screw thread can be respectively matched with the screw hole smoothly, but the distance between the front screw thread and the rear screw thread is not integral multiple of the screw pitches, namely the two sections of screw threads are staggered when matched with the screw hole; on the other hand, the torsion screw is simple in structure and low in cost, and meets the requirement of industrial production.
Preferably, the elastic groove is provided with a plurality of and follows the radial extension of the body of rod sets up, and is a plurality of the elastic groove is followed body of rod length direction interval sets up.
Through adopting above-mentioned technical scheme, can further improve the deformability of the body of rod through a plurality of elastic slot.
Preferably, the number of the elastic grooves is two, and the projections of the two elastic grooves in the vertical direction are symmetrically arranged.
By adopting the technical scheme, the two elastic grooves are designed in such a way that when the front-arranged screw thread and the rear-arranged screw thread are screwed into the screw hole together, the generated elastic force is balanced, the local stress condition of the rod body is reduced, the rod body is protected, and the service life of the torsion screw is prolonged; on the other hand, the structural strength of the torsion screw is improved.
Preferably, the elastic groove extends spirally around the rod body.
Through adopting above-mentioned technical scheme, through the elastic groove that is the helix form setting for the body of rod has certain deformation space, and then makes leading screw thread and rearmounted screw thread can support the cell wall in the thread groove in the screw tightly, and then the condition of drunkenness can not appear.
Preferably, the rod body is made of lead brass.
Through adopting above-mentioned technical scheme, the body of rod is made through the plumbous brass material for this torsion screw can produce appropriate torsion, and make this torsion screw have better wearability.
The optical attenuator provided by the application adopts the following technical scheme:
an optical attenuator comprises a torsion screw, a fixed seat, a collimator and a light blocking element, and is characterized in that: the collimator is provided with two, the light blocking element is located between two collimators, the rod body is fixedly connected with the fixed seat through a threaded sleeve, the two collimators are all installed on the fixed seat, a spiral groove matched with the rear thread is formed in the inner side wall of the threaded sleeve, and the light blocking element is fixedly connected with one end of the rod body.
By adopting the technical scheme, when the light attenuator is installed, the light blocking element is installed at one end of the rod body, the screw sleeve is installed on the fixed seat, the rod body is screwed into the screw sleeve from the top end of the screw sleeve, and finally the light blocking element is positioned between the two collimators, in the working process of the light attenuator, the distance of the light blocking element extending out of the screw sleeve is changed by rotating the rod body, so that the light blocking brightness of the light emitted by the collimators is changed, and the attenuation value of the light is changed, because the movement of the light blocking element realizes micro-feed movement through the transmission of precise small-pitch threads, the transmission precision of a torsion screw plays a decisive role in the attenuation precision and the repetition precision of the light attenuator, and the micro-thread matching distance can generate radial and axial play during the thread transmission, so that the fluctuation of the light attenuation value is caused, and the attenuation precision and the repetition precision of the light attenuator are greatly reduced, the design of the torsion screw enables the locking strength of the torsion screw and the threaded sleeve to be high, so that the movement error of the light blocking element caused by thread transmission can be greatly reduced, and the attenuation precision and the repetition precision of the optical attenuator are greatly improved.
Preferably, the threaded sleeve is in threaded connection with the fixed seat, and an adhesive layer is arranged between the threaded sleeve and the fixed seat.
By adopting the technical scheme, the threaded sleeve is connected to the fixed seat in a threaded manner, and then the distance between the threaded sleeve and the fixed seat is eliminated through the viscous layer, so that the threaded sleeve is fixed on the fixed seat and cannot move, and the attenuation precision and the repetition precision of the optical attenuator are further prevented from being influenced by the threaded sleeve.
Preferably, a certain gap is formed between the bottom end of the spiral groove and the lower end face of the screw sleeve, or the pitch diameter of the spiral groove close to the bottom end of the screw sleeve is smaller than that of the rear thread.
Through adopting above-mentioned technical scheme, owing to at the in-process of the rotatory body of rod, can not see the actual position of the body of rod, lead to the body of rod roll-off helicla flute easily, lead to the component that is in the light to strike on the fixing base then, lead to the damage of the component that is in the light, and the helicla flute of design like this can play and prevent that the body of rod and swivel nut from the condition emergence that drops, and then improves the practicality of this optical attenuator.
Preferably, a dustproof cap is embedded at one end, far away from the fixed seat, of the threaded sleeve and abuts against the threaded sleeve through a sealing gasket.
By adopting the technical scheme, the dustproof cap is used for preventing foreign matters in the air from entering the interior of the threaded sleeve; on the other hand, the dustproof cap is easy to mount and dismount, and the rod body can be conveniently screwed in or out at the later stage so as to adjust the position of the light blocking element; the sealing gasket further improves the sealing performance between the screw sleeve and the rod body.
Preferably, one end of the rod body, which is far away from the light blocking element, is provided with one or a combination of multiple of an internal hexagonal groove, a straight groove, a cross groove and a hand-turning knob.
By adopting the technical scheme, when the attenuation value of light in the optical attenuator needs to be changed in practical use, the dust cap is removed, and then the dust cap is extended into the threaded sleeve through a common mechanical tool so as to rotate the rod body; if the design of the hand-rotating knob is adopted, the height of the light blocking element can be adjusted only by directly rotating the hand-rotating knob by hands.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the elastic groove, the front thread and the rear thread are matched for use, so that the phenomenon that the torque screw moves in the thread transmission process can be effectively avoided;
2. the torsion screw is used in the optical attenuator, so that the movement control precision of the light blocking element is higher, and the attenuation precision and the repetition precision of the optical attenuator are greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a self-locking zero-clearance adjusting screw with torque force according to the present application.
Fig. 2 is a schematic structural diagram of a second embodiment of a self-locking gapless adjusting screw with torque force according to the present application.
Fig. 3 is a schematic structural diagram of a third embodiment of an optical attenuator according to the present application.
Fig. 4 is an enlarged view of a portion a of fig. 3 to show the relief groove.
Fig. 5 is a schematic structural diagram of a fourth embodiment of an optical attenuator according to the present application.
Description of reference numerals: 1. a rod body; 11. a straight slot; 12. a yielding groove; 13. a hand-rotating knob; 14. an anti-slip groove; 2. leading screw threads; 3. rear screw threads; 4. an elastic groove; 5. a collimator; 6. a fixed seat; 61. a light attenuating cavity; 7. a light blocking member; 8. a threaded sleeve; 81. a helical groove; 9. a dust cap; 10. and a gasket.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
In a first aspect:
the embodiment of the application discloses a self-locking gapless adjusting screw with torsion.
Example 1:
referring to fig. 1, a self-locking gapless adjusting screw with torque force comprises a rod body 1, a front thread 2 and a rear thread 3 which are integrally formed on the peripheral side wall of the rod body 1, wherein the thread pitch of the front thread 2 is the same as that of the rear thread 3, a certain distance is formed between the front thread 2 and the rear thread 3, and meanwhile, the distance between the front thread 2 and the rear thread 3 is not equal to the integral multiple of the thread pitch of the front thread 2 or the rear thread 3, namely, the front thread 2 and the rear thread 3 can be screwed into the same screw hole respectively and normally.
The elastic grooves 4 are arranged at the interval between the front screw thread 2 and the rear screw thread 3, in the embodiment, the two elastic grooves 4 are arranged along the circumferential direction of the rod body 1, and the number of the elastic grooves 4 can be other numbers according to actual needs during manufacturing, so long as the elastic grooves 4 can deform when the torsion screw is screwed into a screw hole, and therefore, the embodiment is not explained too much; meanwhile, in the embodiment, the elastic grooves 4 are arranged in a horizontal posture, and the elastic grooves 4 are arranged at intervals along the length direction of the rod body 1; in the present embodiment, the projections of the two elastic grooves 4 in the vertical direction are symmetrically arranged and both have a shape of a circle with a notch; preferably, the projected area of the elastic groove 4 in the vertical direction occupies two or three sides of the cross-sectional area of the rod body 1.
Preferably, in this embodiment, the rod body 1 is made of a lead brass material, and the lead brass material has a good wear resistance, and during manufacturing, the rod body 1 can be replaced by a hard material such as POM plastic according to actual needs.
The implementation principle of the embodiment 1 is as follows: the front thread 2 in the rod body 1 is screwed into the screw hole firstly, then the rod body 1 is rotated continuously, and the rear thread 3 is forced to be screwed into the screw hole because the front thread 2 and the rear thread 3 are staggered with the screw hole; on the other hand, the torsion screw has simple structure and low manufacturing cost, and can be widely used for industrial production.
Example 2:
referring to fig. 2, the present embodiment is different from embodiment 1 in that the elastic groove 4 extends spirally around the circumferential side wall of the rod body 1.
In a second aspect:
the embodiment of the application discloses an optical attenuator.
Example 3:
referring to fig. 1 and 3, an optical attenuator includes a torsion screw, a fixing seat 6, collimators 5 and a light blocking element 7, in this embodiment, the collimators 5 are both embedded on the fixing seat 6, the fixing seat 6 is provided with a light attenuation cavity 61 through which light passes, one ends of the two collimators 5 are both located in the light attenuation cavity 61, a rod body 1 is fixedly connected to the fixing seat 6 through a threaded sleeve 8, the threaded sleeve 8 is in threaded connection with the fixing seat 6, and an adhesive layer is arranged between the threaded sleeve 8 and the fixing seat 6, in this embodiment, the adhesive layer is composed of thread glue, the threaded sleeve 8 and the fixing seat 6 are locked through the adhesive layer, so that the situation that the threaded sleeve 8 and the fixing seat 6 move in the later stage is reduced; meanwhile, the inner side wall of the screw sleeve 8 is provided with a spiral groove 81 matched with the rear thread 3 for use, and the torsion screw can be screwed into the screw sleeve 8 by rotating the rod body 1.
Referring to fig. 3 and 4, the light blocking element 7 is fixedly connected to one end of the rod body 1, in this embodiment, an abdicating slot 12 is formed in one end of the rod body 1 along the length direction thereof, the light blocking element 7 is in a cylindrical shape, one end of the light blocking element 7 is embedded in the abdicating slot 12, and the light blocking element 7 is bonded to the rod body 1 by glue, so that the light blocking element is relatively fixed to the rod body 1.
In the assembling process, the light blocking element 7 is firstly bonded to the rod body 1, the threaded sleeve 8 is connected to the fixed seat 6 in a threaded mode, and then the rod body 1 is screwed in from the top end of the threaded sleeve 8 until one end, far away from the threaded sleeve 8, of the light blocking element 7 is located in the light attenuation cavity 61.
In order to adjust the depth of the light blocking element 7 in the light attenuation cavity 61, one end of the rod body 1, which is far away from the light blocking element 7, is provided with one or more combinations of an inner hexagonal groove, a straight groove 11 and a cross groove, in this embodiment, the rod body 1 is provided with the straight groove 11, so that a mechanical tool can conveniently extend into the rod body 1 from the threaded sleeve 8 and rotate the rod body 1, that is, the depth of the light blocking element 7 in the light attenuation cavity 61 can be adjusted conveniently.
Preferably, referring to fig. 3, a dust cap 9 is embedded at one end of the threaded sleeve 8 away from the light attenuation cavity 61 to prevent foreign matters in the air from entering the threaded sleeve 8; meanwhile, the dustproof cap 9 is tightly abutted to the threaded sleeve 8 through the sealing gasket 10, and the sealing gasket 10 is embedded in the inner wall, facing the threaded sleeve 8, of the dustproof cap 9, so that the effect of sealing the inside of the threaded sleeve 8 is further achieved.
In order to prevent the rod body 1 and the threaded sleeve 8 from falling off when the rod body 1 is rotated, a certain gap is formed between the bottom end of the spiral groove 81 and the lower end surface of the threaded sleeve, so that the light blocking element 7 is protected; during manufacturing, the pitch diameter of the spiral groove 81 near the bottom end of the screw sleeve 8 is smaller than the pitch diameter of the rear thread 3 according to actual requirements, so long as the situation that the rod body 1 is separated from the screw sleeve 8 from the bottom end of the screw sleeve 8 in the rotating process can be prevented, and therefore, the description is not repeated in this embodiment.
The implementation principle of the embodiment 3 is as follows: when the attenuation value of light in the optical attenuator needs to be changed, the dust cap 9 is screwed out, then the rod body 1 is rotated through a mechanical tool, and the depth of the light blocking element 7 in the light attenuation cavity 61 is further adjusted, so that the adjustment of the attenuation value of light is realized; because the cooperation of leading screw thread 2 and rearmounted screw thread 3 and helicla flute 81 in this torsion screw is dislocation for rearmounted screw thread 3 is forced to screw into helicla flute 81, at this in-process, elastic deformation can take place for elastic groove 4, and order to make leading screw thread 2 and rearmounted screw thread 3 support tightly on the cell wall of helicla flute 81, that is to say this torsion screw locking in helicla flute 81, effectively avoid the phenomenon that the torsion screw drunkenness appears in mechanical equipment, thereby can greatly reduce the displacement error of the component 7 that is in the light that screw drive brought, greatly improve the decay precision and the repeatability precision of optical attenuator.
Example 4:
referring to fig. 5, the difference between this embodiment and embodiment 3 is that a straight slot 11 is replaced by a manual knob 13, in this embodiment, the length of the rod body 1 is longer than the length of the screw sleeve 8, and the manual knob 13 is integrally formed at the top end of the rod body 1, that is, one end of the rod body 1 protruding out of the screw sleeve 8 and far away from the light blocking element 7, so as to facilitate the manual knob 13 to be directly rotated by a hand to drive the rod body 1 to rotate; during manufacturing, the anti-slip groove 14 is arranged on the peripheral side wall of the hand-rotating knob 13, and the anti-slip groove 14 is in a straight line or reticulate structure so as to increase the friction force between the hand-rotating knob 13 and the hand and further facilitate the rotation of the hand-rotating knob 13; meanwhile, in the present embodiment, the light blocking member 7 is integrally formed at the bottom end of the rod body 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a but zero clearance adjusting screw of tape torque force auto-lock, includes body of rod (1), its characterized in that: still including set up in on the body of rod (1) week lateral wall and leading screw thread (2) and the rearmounted screw thread (3) that the pitch is the same, leading screw thread (2) with rearmounted screw thread (3) are all around the body of rod (1) is the helix and extends the setting, just be located on the body of rod (1) week lateral wall leading screw thread (2) with be provided with between rearmounted screw thread (3) elastic groove (4), leading screw thread (2) with interval between rearmounted screw thread (3) is greater than or is less than the integral multiple of the pitch of leading screw thread (2).
2. The self-locking gapless adjusting screw with the torque force as claimed in claim 1, wherein: the elastic groove (4) is provided with a plurality of and follows the body of rod (1) radially extends the setting, and is a plurality of elastic groove (4) are followed body of rod (1) length direction interval sets up.
3. The self-locking gapless adjusting screw with the torque force as claimed in claim 2, wherein: the elastic grooves (4) are arranged in two numbers, and the projections of the two elastic grooves in the vertical direction are symmetrically arranged.
4. The self-locking gapless adjusting screw with the torque force as claimed in claim 1, wherein: the elastic groove (4) is arranged around the rod body (1) in a spiral line extending mode.
5. The self-locking gapless adjusting screw with the torque force as claimed in claim 1, wherein: the rod body (1) is made of lead brass.
6. An optical attenuator comprising the torsion screw, the fixing base (6), the collimator (5) and the light blocking member (7) according to any one of claims 1 to 5, characterized in that: collimator (5) are provided with two, it is located two to be in light component (7) between collimator (5), the body of rod (1) through swivel nut (8) fixed connection in fixing base (6), two collimator (5) all install in on fixing base (6), swivel nut (8) inside wall seted up with helicla flute (81) of rearmounted screw thread (3) adaptation, be in light component (7) fixed connection in body of rod (1) one end.
7. An optical attenuator as claimed in claim 6, wherein: the thread insert (8) is in threaded connection with the fixing seat (6), and an adhesive layer is arranged between the thread insert and the fixing seat (6).
8. An optical attenuator as claimed in claim 6, wherein: the bottom end of the spiral groove (81) and the lower end face of the screw sleeve (8) are provided with a certain gap or the pitch diameter of the spiral groove (81) close to the bottom end of the screw sleeve (8) is smaller than that of the rear thread (3).
9. An optical attenuator as claimed in claim 8, wherein: the one end that screw sleeve (8) kept away from fixing base (6) is inlayed and is equipped with dustproof cap (9), dustproof cap (9) support tightly in through sealed pad (10) screw sleeve (8).
10. An optical attenuator as claimed in claim 6, wherein: one end of the rod body (1) far away from the light blocking element (7) is provided with one or a combination of multiple of an inner hexagonal groove, a straight groove (11), a cross groove and a hand-rotating knob (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110280914.8A CN113062911A (en) | 2021-03-16 | 2021-03-16 | Self-locking gapless adjusting screw with torque and optical attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110280914.8A CN113062911A (en) | 2021-03-16 | 2021-03-16 | Self-locking gapless adjusting screw with torque and optical attenuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113062911A true CN113062911A (en) | 2021-07-02 |
Family
ID=76561429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110280914.8A Pending CN113062911A (en) | 2021-03-16 | 2021-03-16 | Self-locking gapless adjusting screw with torque and optical attenuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113062911A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775623A (en) * | 2021-09-02 | 2021-12-10 | 佛山市定中机械有限公司 | Anti-loosening fastener, threaded fastening kit and threaded fastening assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1209225A (en) * | 1967-05-18 | 1970-10-21 | Lamson & Sessions Co | External helical screw threads and methods of making same |
| CN1118848A (en) * | 1992-08-31 | 1996-03-20 | 中村大治郎 | Spiral device for fastening |
| CN1311539A (en) * | 1999-10-28 | 2001-09-05 | 西门子能量及自动化公司 | Post assembly being easy to use shock-proof clamping bolt |
| CN201796156U (en) * | 2010-09-06 | 2011-04-13 | 上海中科股份有限公司 | Mechanical variable optical attenuator and duplex variable optical attenuator |
| CN203069820U (en) * | 2013-01-06 | 2013-07-17 | 上海中科光纤通讯器件有限公司 | A miniature mechanical variable optical attenuator |
| CN203477014U (en) * | 2013-10-11 | 2014-03-12 | 胡平 | Tuning self-locking screw component |
-
2021
- 2021-03-16 CN CN202110280914.8A patent/CN113062911A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1209225A (en) * | 1967-05-18 | 1970-10-21 | Lamson & Sessions Co | External helical screw threads and methods of making same |
| CN1118848A (en) * | 1992-08-31 | 1996-03-20 | 中村大治郎 | Spiral device for fastening |
| CN1311539A (en) * | 1999-10-28 | 2001-09-05 | 西门子能量及自动化公司 | Post assembly being easy to use shock-proof clamping bolt |
| CN201796156U (en) * | 2010-09-06 | 2011-04-13 | 上海中科股份有限公司 | Mechanical variable optical attenuator and duplex variable optical attenuator |
| CN203069820U (en) * | 2013-01-06 | 2013-07-17 | 上海中科光纤通讯器件有限公司 | A miniature mechanical variable optical attenuator |
| CN203477014U (en) * | 2013-10-11 | 2014-03-12 | 胡平 | Tuning self-locking screw component |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775623A (en) * | 2021-09-02 | 2021-12-10 | 佛山市定中机械有限公司 | Anti-loosening fastener, threaded fastening kit and threaded fastening assembly |
| WO2023029084A1 (en) * | 2021-09-02 | 2023-03-09 | 佛山市定中机械有限公司 | Anti-loosening fastener, threaded fastening set, and threaded fastening assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113062911A (en) | Self-locking gapless adjusting screw with torque and optical attenuator | |
| US4964314A (en) | Device for converting rotary motion to linear motion | |
| US20070214902A1 (en) | Nut structure for linear transmission device | |
| CN101858578A (en) | Anti-rotation connecting structure and lamp using the same | |
| JPH06331496A (en) | Snap fitting type right-angle adjustment mechanism | |
| WO2007136557A3 (en) | Lead screw actuator with torsional anti-backlash nut | |
| CA2243898A1 (en) | Improved vehicle shock absorber with coil over preload adjustment | |
| CA3028890A1 (en) | Adjustable-length connecting rod for turbomachine | |
| WO2019075930A1 (en) | Helical gear having gap-eliminating device | |
| CN116025669A (en) | Flexible-support worm and gear mechanism | |
| US5178029A (en) | Ball screw seal | |
| CN220956301U (en) | Hyperbolic aluminum veneer convenient to splice and assemble | |
| US9766427B1 (en) | Precision opto-mechanical low profile quasi-kinematic mirror adjuster screw assembly and method for component integration | |
| CN105422740B (en) | Lead screw gear | |
| CN210164841U (en) | Plastic damper for automobile | |
| CN208565467U (en) | Planetary roller screw | |
| CN111706602B (en) | High-strength anti-loosening nut | |
| CN2798142Y (en) | Elevating mechanism | |
| CN216343290U (en) | Novel bolt assembly and air conditioner | |
| US6241446B1 (en) | Shelf support assembly | |
| CN221551063U (en) | Projection lamp | |
| CN218992104U (en) | Pneumatic main shaft | |
| CN210216274U (en) | Dish-shaped rolling brush for electric sweeper | |
| CN213206456U (en) | Double-lead worm gear clearance adjusting mechanism | |
| CN212410956U (en) | Mechanism for graduation adjustment of sighting telescope |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210702 |