CN114193375A - Reusable connecting and locking mechanism - Google Patents
Reusable connecting and locking mechanism Download PDFInfo
- Publication number
- CN114193375A CN114193375A CN202111650250.6A CN202111650250A CN114193375A CN 114193375 A CN114193375 A CN 114193375A CN 202111650250 A CN202111650250 A CN 202111650250A CN 114193375 A CN114193375 A CN 114193375A
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- locking
- stud
- connection
- inner screw
- groove
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- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
Abstract
The invention discloses a reusable connection locking mechanism which comprises a locking stud, a locking nut and an inner locking assembly, wherein the inner locking assembly penetrates through the locking stud and can be partially exposed out of the locking stud, the locking stud is in threaded connection with the locking nut, and the inner locking assembly can be controlled to form a locking surface and is matched with the locking nut to form connection locking on a component. According to the reusable connection locking mechanism disclosed by the invention, the traditional locking stud is improved, and the adjustable inner locking component is matched, so that the connection between two components which cannot be detachably connected by common bolt connection due to position interference is changed into the detachable connection, and the connection locking mechanism can be repeatedly installed and detached for use for many times only by arranging an operation space at one end, so that the tight connection and easy detachment between the two components can be ensured, the components are well protected, and the reusable connection locking mechanism is more environment-friendly and energy-saving.
Description
Technical Field
The invention relates to the technical field of mechanical assembly part connection, in particular to a reusable connection locking mechanism.
Background
When mechanical parts are assembled, connecting parts are particularly common, the most common are bolt connection, riveting, welding and the like, particularly when one of two components is a sealing component, the great difficulty exists, and the bolts can only be fixedly installed on the sealing end component during bolt connection, so that better secondary utilization cannot be realized. Or when one end of two or more components cannot be operated due to interference, the components are fixed by using bolts, and when one side is fastened, the other side rotates simultaneously, so that the function of fixing the components cannot be well achieved. If use nail, welding or when riveting, then be difficult to dismantle and can cause the violent destruction when dismantling simultaneously, unable reutilization.
Therefore, in order to solve the above problems, a connection locking mechanism capable of being repeatedly used is needed, which can be used for repeatedly installing and detaching a sealing member or an installation position easily causing interference in some inner sealing members, and can ensure tight connection and easy detachment between two members, thereby achieving good protection for the members and simultaneously being capable of being repeatedly used and being more environment-friendly and energy-saving.
Disclosure of Invention
In view of the above, the present invention is to overcome the defects in the prior art, and provide a reusable connection locking mechanism, which can be repeatedly installed and detached for multiple times at some inner sealing members or installation positions where interference is easily caused, only one end of the connection locking mechanism is required to have an operation space, so that tight connection and easy detachment between two members can be ensured, the members can be well protected, and the connection locking mechanism can be repeatedly used, and is more environment-friendly and energy-saving.
The invention relates to a reusable connection locking mechanism, which comprises a locking stud, a locking nut and an inner locking component which penetrates through the locking stud and can be partially exposed out of the locking stud, the locking stud is in threaded connection with the locking nut, the inner locking assembly can be controlled to form a locking surface and is matched with the locking nut to form connection and locking on a component, when two components are connected and locked, because one component has position interference, the bolt and the nut are not convenient to be clamped and screwed in an auxiliary way, the locking slide block in the inner locking assembly is kept in a furled state, the head part of the locking stud penetrates through the connecting hole of the locking component to be connected, after the locking stud is put in place, the locking slide block is opened to extend out of the locking stud by rotating the inner screw rod, then the locking nut is screwed, and the locking slide block is matched with the locking nut to play a role in connecting and locking the component; when the two components are detached, the locking nut is firstly loosened, then the locking slide blocks are mutually folded by reversely rotating the inner screw rod, and the locking stud can be taken down, so that the connection locking mechanism can be reused.
Further, the inner locking assembly comprises an inner screw rod, a connecting sleeve and a locking slider, the inner screw rod penetrates through the locking stud, the control end of the inner screw rod extends out of the tail part of the locking stud, the connecting sleeve is in threaded connection with the head part of the inner screw rod, one end of the locking slider is hinged with the connecting sleeve, the opening degree of the locking slider is adjusted by adjusting the relative position of the connecting sleeve in the locking stud, the locking slider is fully positioned in the locking stud when folded, one end, far away from the hinged end, of the locking slider extends out along the surface of the column body of the locking stud when opened, one end, far away from the hinged end, of the locking slider is matched with the locking nut to form clamping and locking for a component, the rotating motion of the inner screw rod is transmitted to the connecting sleeve by rotating the inner screw rod, the connecting sleeve converts the rotating motion of the inner screw rod into linear motion in the groove of the locking stud and pushes the hinged end of the locking slider to move synchronously, the locking slide block is matched with the guide limit of the guide component to do compound motion (linear motion + swing) under the action of the connecting sleeve.
Furthermore, a guide assembly is further arranged between the locking sliding blocks and the locking studs to guide and position the movement direction of the locking sliding blocks, the two locking sliding blocks are symmetrically arranged on two sides of the inner screw rod, the locking sliding blocks correspond to the guide assemblies one by one, and the locking sliding blocks are driven by the inner screw rod to open and close.
Further, the direction subassembly includes sliding fit spout and traveller, the spout is seted up on the locking slider just the traveller is fixed set up in on the locking double-screw bolt or the spout is seted up in on the locking double-screw bolt just the traveller is fixed set up in on the locking slider, what adopt in this application is set up the spout on the locking slider, with the fixed setting of traveller on the internal face of recess.
Furthermore, a groove is formed in the head of the locking stud along the axis direction, a through hole is formed in the tail of the locking stud along the axis direction, the through hole is communicated with the groove, the locking sliding block and the connecting sleeve are located in the groove, and the locking sliding block extends out along two ends of the groove when being opened.
Furthermore, the inner screw rod comprises a smooth section and a screw thread section, the screw thread section is located in the groove and is in threaded connection with the connecting sleeve, the smooth section is located in the through hole and is in clearance fit with the locking stud, rotation of the inner screw rod is facilitated, resistance brought to rotation of the inner screw rod is avoided, and smooth rotation of the inner screw rod is guaranteed.
Furthermore, the end part of the thread section is provided with a limiting stop table for limiting the relative movement of the connecting sleeve and the inner screw, and the smooth section is provided with an upper stop ring and a lower stop ring for axial limiting between the inner screw and the locking stud.
Furthermore, the locking mechanism further comprises a locking assembly, wherein the locking assembly is used for adjusting and locking the locking surface forming condition of the inner locking assembly, the rotation of the inner screw rod needs to be adjusted by hands under the condition that the locking assembly is not arranged, meanwhile, a locking key is lacked between the inner screw rod and the locking stud, and the relative rotation between the inner screw rod and the locking stud can not be maintained when the locking mechanism is in a locking state, so that the locking assembly is arranged for assisting in adjusting the rotation of the inner screw rod and maintaining the relative fixation of the inner screw rod and the locking stud.
Furthermore, the locking assembly comprises a rotary handle locking cover and a return spring, the rotary handle locking cover is arranged on the inner screw in a penetrating mode, the return spring is arranged between the rotary handle locking cover and the inner screw and provides restoring force for the rotary handle locking cover to enable the inner end face of the rotary handle locking cover to be attached to the locking stud and locked, and a limiting platform abutted against the return spring is formed on the tail end face of the inner screw.
Further, a locking boss is formed on the end face of the locking stud and matched with a locking groove formed in the inner end face of the handle lock cover, an adjusting boss is formed on the inner screw rod and matched with an adjusting groove formed in the inner end face of the handle lock cover, the compression state of the return spring is changed through external force, so that the handle lock cover is engaged with the locking boss and the adjusting boss or only engaged with the adjusting boss, the handle lock cover is tightly pressed and attached to the locking stud when the return spring is in an initial state, the hanging handle lock cover is engaged with the locking boss and the adjusting boss (namely, the locking groove is engaged with the locking boss and the adjusting boss while the adjusting boss is engaged with the adjusting groove, and the locking groove and the adjusting groove form a stepped counter bore on the inner end face of the hanging handle lock cover), when the hanging handle lock cover is pulled outwards along the axial direction of the inner screw rod by force, so that the spring is in a limit compression position and the locking groove and the locking boss are disengaged and only keep the adjusting boss engaged with the adjusting boss, the hanging handle lock cover is rotated at the moment The inner screw rod can be adjusted to rotate relative to the locking stud in the circumferential direction, the axial matching height of the adjusting boss and the adjusting groove is higher than that of the locking boss and the locking groove, the adjusting boss and the locking boss can be of any columnar structure similar to key connection, and the shapes of the adjusting groove and the locking groove are respectively matched with the adjusting boss and the locking boss.
The invention has the beneficial effects that: according to the reusable connection locking mechanism disclosed by the invention, the traditional locking stud is improved, and the adjustable inner locking component is matched, so that the connection between two components which cannot be detachably connected by common bolt connection due to position interference is changed into the detachable connection, and the connection locking mechanism can be repeatedly installed and detached for use for many times only by arranging an operation space at one end, so that the tight connection and easy detachment between the two components can be ensured, the components are well protected, and the reusable connection locking mechanism is more environment-friendly and energy-saving.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic cross-sectional view of A-A in FIG. 2;
FIG. 4 is a side view of FIG. 1;
FIG. 5 is a schematic cross-sectional view of B-B in FIG. 4;
FIG. 6 is a top view of FIG. 1;
fig. 7 is a schematic sectional structure view of C-C in fig. 6.
Detailed Description
Fig. 1 is a schematic structural diagram of the present invention, fig. 2 is a front view of fig. 1, fig. 3 is a schematic sectional structural diagram of a-a in fig. 2, fig. 4 is a side view of fig. 1, fig. 5 is a schematic sectional structural diagram of B-B in fig. 4, fig. 6 is a top view of fig. 1, and fig. 7 is a schematic sectional structural diagram of C-C in fig. 6, as shown in the drawings, the reusable joint locking mechanism in this embodiment includes a lock stud 1, a lock nut 2, and an internal locking assembly penetrating inside the lock stud 1 and partially exposing the lock stud 1, the lock stud 1 and the lock nut 2 are in threaded connection, the internal locking assembly can be controlled to form a locking surface and cooperate with the lock nut 2 to form joint locking of members, when two members are locked together, due to the position interference of one of the members, the bolt and the nut are not convenient to clamp and screw up in an auxiliary manner, the locking slide block 5 in the inner locking assembly is kept in a furled state, the head of the locking stud 1 penetrates through a connecting hole of a locking component to be connected, after the locking stud 1 is put in place, the locking slide block 5 is stretched out of the locking stud 1 by rotating the inner screw rod 3, then the locking nut 2 is screwed up, and the locking slide block 5 is matched with the locking nut 2 to play a role in connecting and locking the component; when the two components are detached, the locking nut 2 is firstly loosened, then the locking slide blocks 5 are mutually folded by reversely rotating the inner screw rod 3, and then the locking stud 1 can be taken down, so that the connection locking mechanism can be repeatedly used.
In this embodiment, the internal locking component includes an internal screw rod 3, a connecting sleeve 4 and a locking slider 5, the internal screw rod 3 penetrates through the locking stud 1, and a control end extends out of the tail of the locking stud 1, the connecting sleeve 4 is connected to the head of the internal screw rod 3 in a threaded manner, one end of the locking slider 5 is hinged to the connecting sleeve 4 and adjusts the opening degree of the locking slider 5 by adjusting the relative position of the connecting sleeve 4 in the locking stud 1, the locking slider 5 is completely located in the locking stud 1 when folded, one end of the locking slider 5, which is far away from the hinged end when opened, extends out along the surface of the shaft of the locking stud 1, one end of the locking slider 5, which is far away from the hinged end, cooperates with the locking nut 2 to form clamping and locking for the component, and the rotation motion of the internal screw rod 3 is transmitted to the connecting sleeve 4 by rotating the internal screw rod 3, the connecting sleeve 4 converts the rotary motion of the inner screw rod 3 into linear motion in the groove of the locking stud 1 and pushes the hinged end of the locking slide block 5 to move synchronously, and the locking slide block 5 is matched with the guide limit of the guide component to do compound motion (linear motion + swing) under the action of the connecting sleeve 4.
In this embodiment, a guide assembly is further disposed between the locking slider 5 and the locking stud 1 to guide and position the moving direction of the locking slider 5, two locking sliders 5 are symmetrically disposed on two sides of the inner screw 3, the locking sliders 5 correspond to the guide assembly one by one, and the locking sliders 5 are driven by the inner screw 3 to open and close.
In this embodiment, the guide assembly includes sliding fit spout 5a and traveller 1a, spout 5a set up in on the locking slider 5 and traveller 1a set up fixedly in on the locking stud 1 or spout 5a set up in on the locking stud 1 and traveller 1a set up fixedly in on the locking slider 5, what adopted in this application is to set up spout 5a on locking slider 5, with traveller 1a fixed setting on the internal face of recess 11.
In this embodiment, a groove 11 is formed in the head of the locking stud 1 along the axial direction, a through hole 12 is formed in the tail of the locking stud 1 along the axial direction, the through hole 12 is communicated with the groove 11, the locking slider 5 and the connecting sleeve 4 are located in the groove 11, and the locking slider 5 extends out along two ends of the groove 11 when being opened.
In this embodiment, the inner screw 3 includes smooth section and screw thread section, the screw thread section is located in the recess 11 with adapter sleeve 4 threaded connection, smooth section is located in the through-hole 12 with locking stud 1 clearance fit, the rotation of the inner screw 3 of being convenient for avoids bringing the resistance for the rotation of inner screw 3, guarantees that the rotation of inner screw 3 is smooth and easy.
In this embodiment, a limiting stop 31 is disposed at an end of the threaded section to limit relative movement between the connection sleeve 4 and the inner screw 3, and an upper stop ring 32 and a lower stop ring 33 are disposed on the smooth section to limit axial position between the inner screw 3 and the locking stud 1.
In this embodiment, the locking assembly is further included, and is used for adjusting and locking the locking surface forming condition of the inner locking assembly, the rotation of the inner screw 3 needs to be adjusted by bare hands without the locking assembly, and meanwhile, the absence of the locking key between the inner screw 3 and the locking stud 1 cannot ensure that the relative rotation between the inner screw 3 and the locking stud 1 is also kept when the locking mechanism is in the locking state, so that the locking assembly is provided for assisting in adjusting the rotation of the inner screw 3 and keeping the inner screw 3 and the locking stud 1 fixed relatively.
In this embodiment, the locking assembly includes a spiral handle locking cover 6 and a return spring 7, the spiral handle locking cover 6 is arranged on the inner screw rod 3 in a penetrating manner, the return spring 7 is arranged between the spiral handle locking cover 6 and the inner screw rod 3 to provide restoring force for the spiral handle locking cover 6 so that the inner end surface of the spiral handle locking cover 6 is attached to and locked with the locking stud 1, and the tail end surface of the inner screw rod 3 forms a limit table 34 abutted by the return spring 7.
In this embodiment, the locking boss 1b formed on the end face of the locking stud 1 is engaged with the locking groove formed on the inner end face of the locking cap 6, the adjusting boss 3a formed on the inner screw 3 is engaged with the adjusting groove formed on the inner end face of the locking cap 6, the compression state of the return spring 7 is changed by an external force to make the locking cap 6 engaged with both the locking boss 1b and the adjusting boss 3a or the locking cap 6 engaged with only the adjusting boss 3a, the locking cap 6 is pressed and attached to the locking stud 1 when the return spring 7 is in the initial state, the locking cap engaged with both the locking boss 1b and the adjusting boss 3a (i.e., the locking groove is engaged with the locking boss 1b while the adjusting boss 3a is engaged with the adjusting groove, and the locking groove and the adjusting groove form a stepped counter bore on the inner end face of the locking cap), and the locking cap is pulled outward along the axial direction of the inner screw 3 by a force to make the locking spring 7 in the extreme compression position and the locking groove The locking boss 1b is separated from the locking boss, the matching of the adjusting boss 3a and the adjusting groove is only reserved, the suspension handle locking cover is rotated at the moment, the inner screw rod 3 can be adjusted to rotate circumferentially relative to the locking stud 1, the axial matching height of the adjusting boss 3a and the adjusting groove is higher than that of the locking boss 1b and the locking groove, the adjusting boss 3a and the locking boss 1b can be of any columnar structure which can form key connection, and the shapes of the adjusting groove and the locking groove are respectively matched with the adjusting boss 3a and the locking boss 1 b.
The invention discloses a reusable connection locking mechanism, which is characterized in that a traditional locking stud 1 is improved and matched with an adjustable inner locking component, the connection between two components which cannot be detachably connected by common bolt connection due to position interference is changed into a detachable connection which can be realized, only one end of the connection locking mechanism is provided with an operation space, the connection locking mechanism can be repeatedly installed and detached for use for many times, the tight connection between the two components can be ensured, the connection locking mechanism can be easily detached, the components are well protected, and the components can be repeatedly used, so that the connection locking mechanism is more environment-friendly and energy-saving.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. A reusable connection locking mechanism is characterized in that: the locking device comprises a locking stud, a locking nut and an inner locking assembly which penetrates through the inside of the locking stud and can be partially exposed out of the locking stud, the locking stud is in threaded connection with the locking nut, and the inner locking assembly can be controlled to form a locking surface and is matched with the locking nut to form connection and locking on a component.
2. The reusable connection locking mechanism of claim 1, wherein: the inner locking assembly comprises an inner screw rod, a connecting sleeve and a locking sliding block, the inner screw rod penetrates through the locking stud, the control end of the inner screw rod extends out of the tail portion of the locking stud, the connecting sleeve is in threaded connection with the head portion of the inner screw rod, one end of the locking sliding block is hinged with the connecting sleeve, the connecting sleeve is adjusted at the relative position in the locking stud through adjustment, the opening degree of the locking sliding block is adjusted, the locking sliding block is located inside the locking stud when being folded, and one end, far away from the hinged end, of the locking sliding block extends out of the surface of the column body of the locking stud when being opened.
3. The reusable connection locking mechanism of claim 2, wherein: and a guide assembly is further arranged between the locking sliding block and the locking stud to guide and position the moving direction of the locking sliding block, and the two locking sliding blocks are symmetrically arranged on two sides of the inner screw rod.
4. The reusable connection locking mechanism of claim 3, wherein: the guide assembly comprises a sliding fit sliding groove and a sliding column, the sliding groove is formed in the locking sliding block, the sliding column is fixedly arranged on the locking stud or the sliding groove is formed in the locking stud, and the sliding column is fixedly arranged on the locking sliding block.
5. The reusable connection locking mechanism of claim 4, wherein: the head of the locking stud is provided with a groove along the axis direction, the tail of the locking stud is provided with a through hole along the axis direction, the through hole is communicated with the groove, the locking sliding block and the connecting sleeve are positioned in the groove, and the locking sliding block extends out along two ends of the groove when being opened.
6. The reusable connection locking mechanism of claim 5, wherein: the inner screw rod comprises a smooth section and a thread section, the thread section is located in the groove and is in threaded connection with the connecting sleeve, and the smooth section is located in the through hole and is in clearance fit with the locking stud.
7. The reusable connection locking mechanism of claim 6, wherein: the end part of the thread section is provided with a limiting stop table for limiting the relative movement of the connecting sleeve and the inner screw, and the smooth section is provided with an upper stop ring and a lower stop ring for axial limiting between the inner screw and the locking stud.
8. The reusable connection locking mechanism of claim 2, wherein: the locking assembly is used for adjusting and locking the forming condition of the locking surface of the inner locking assembly.
9. The reusable connection locking mechanism of claim 8, wherein: the locking assembly comprises a rotary handle locking cover and a return spring, the rotary handle locking cover is arranged on the inner screw in a penetrating mode, the return spring is arranged between the rotary handle locking cover and the inner screw and provides restoring force for the rotary handle locking cover to enable the inner end face of the rotary handle locking cover to be attached to and locked with the locking stud, and a limiting platform abutted against the return spring is formed on the tail end face of the inner screw.
10. The reusable connection locking mechanism of claim 9, wherein: the end face of the locking stud is provided with a locking boss matched with a locking groove arranged on the inner end face of the rotary handle lock cover, the inner screw rod is provided with an adjusting boss matched with an adjusting groove arranged on the inner end face of the rotary handle lock cover, and the compression state of the return spring is changed through external force so that the rotary handle lock cover is engaged with the locking boss and the adjusting boss or the rotary handle lock cover is engaged with the adjusting boss only.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111650250.6A CN114193375B (en) | 2021-12-29 | 2021-12-29 | Reusable connecting and locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111650250.6A CN114193375B (en) | 2021-12-29 | 2021-12-29 | Reusable connecting and locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114193375A true CN114193375A (en) | 2022-03-18 |
| CN114193375B CN114193375B (en) | 2023-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111650250.6A Active CN114193375B (en) | 2021-12-29 | 2021-12-29 | Reusable connecting and locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114193375B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5098433A (en) * | 1989-04-12 | 1992-03-24 | Yosef Freedland | Winged compression bolt orthopedic fastener |
| US5702218A (en) * | 1995-12-13 | 1997-12-30 | Onofrio; Daniel | Fastener |
| CN1598334A (en) * | 2003-09-04 | 2005-03-23 | 伊利诺斯器械工程公司 | Heavy duty toggle bolt fastener assembly, and method of installing and removing the same |
| CN103104270A (en) * | 2013-02-19 | 2013-05-15 | 裴志胜 | Shear type expansion anchor rod and extension application thereof |
| CN207814133U (en) * | 2018-01-17 | 2018-09-04 | 福建富利恩卫浴科技有限公司 | A kind of expansion bolt assembly |
| CN110848223A (en) * | 2019-11-22 | 2020-02-28 | 国唐汽车有限公司 | Locking device |
| CN211288380U (en) * | 2019-12-23 | 2020-08-18 | 四川岷河管道建设工程有限公司 | Umbrella-shaped anchoring device |
-
2021
- 2021-12-29 CN CN202111650250.6A patent/CN114193375B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5098433A (en) * | 1989-04-12 | 1992-03-24 | Yosef Freedland | Winged compression bolt orthopedic fastener |
| US5702218A (en) * | 1995-12-13 | 1997-12-30 | Onofrio; Daniel | Fastener |
| CN1598334A (en) * | 2003-09-04 | 2005-03-23 | 伊利诺斯器械工程公司 | Heavy duty toggle bolt fastener assembly, and method of installing and removing the same |
| CN103104270A (en) * | 2013-02-19 | 2013-05-15 | 裴志胜 | Shear type expansion anchor rod and extension application thereof |
| CN207814133U (en) * | 2018-01-17 | 2018-09-04 | 福建富利恩卫浴科技有限公司 | A kind of expansion bolt assembly |
| CN110848223A (en) * | 2019-11-22 | 2020-02-28 | 国唐汽车有限公司 | Locking device |
| CN211288380U (en) * | 2019-12-23 | 2020-08-18 | 四川岷河管道建设工程有限公司 | Umbrella-shaped anchoring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114193375B (en) | 2023-12-29 |
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Address after: 401135 No. 618 Liangjiang Avenue, Longxing Town, Yubei District, Chongqing Applicant after: Green Aviation Technology Research Institute of Chongqing Jiaotong University Address before: 401135 4-1, building 2, Hengda, smart eco city, Liangjiang headquarters, Yubei District, Chongqing Applicant before: Green Aviation Technology Research Institute of Chongqing Jiaotong University |
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