CN112963432A - Flange bolt with adjustable structure - Google Patents
Flange bolt with adjustable structure Download PDFInfo
- Publication number
- CN112963432A CN112963432A CN202110214492.4A CN202110214492A CN112963432A CN 112963432 A CN112963432 A CN 112963432A CN 202110214492 A CN202110214492 A CN 202110214492A CN 112963432 A CN112963432 A CN 112963432A
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- China
- Prior art keywords
- adjusting
- nut
- groove
- external thread
- block
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- 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.)
- Withdrawn
Links
- 238000001125 extrusion Methods 0.000 claims description 22
- 230000007306 turnover Effects 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
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- 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
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- 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
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- 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to the technical field of hardware fasteners, in particular to a flange bolt with an adjustable structure. The flange bolt with the adjustable structure is formed by connecting a split type screw rod and a split type locking nut in a threaded manner, and the distance between a first fixed external threaded pipe and a second movable external threaded pipe is changed through the elastic adjusting block, so that the length of the whole bolt is changed, and the application range of the bolt is widened; the maximum distance between the first adjusting nut and the second extruding nut is changed by using the adjusting slide block in the first adjusting nut, so that the shock absorption and the looseness prevention of the bolt are greatly improved, and the applicability of the bolt is further improved; utilize the inside outside rotatory piece of external screw thread assembly strip to control the side direction returning face plate and switch between inside upset mouth and side direction upset groove to change its assembly devices, not only can promote auto-lock ability, can also conveniently load and unload, reduce later stage use cost.
Description
Technical Field
The invention relates to the technical field of hardware fasteners, in particular to a flange bolt with an adjustable structure.
Background
The flange bolt is an integral bolt consisting of a hexagonal head, a flange plate (a gasket below the hexagonal head and the hexagonal head are fixed into a whole) and a screw (a cylinder with external threads), and is matched with a nut and used for fastening and connecting parts of two through holes.
Traditional flange bolt simple structure only sets up a ring flange on traditional bolt basis, and most fixed structure can't change its outer structure, can't dismantle simultaneously, leads to application scope more single.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problems existing in the background technology, the improved structure-adjustable flange bolt is provided, and the problems that the traditional flange bolt is simple in structure, most of structures are fixed, the external structure of the traditional flange bolt cannot be changed, and meanwhile the application range is single due to the fact that the traditional flange bolt cannot be disassembled are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: a flange bolt with an adjustable structure comprises a screw rod, a control head and a locking nut, wherein the screw rod comprises a first fixed external thread pipe fixed at the central position of the outer side surface of the control head and a second movable external thread pipe movably arranged at the outer side of the first fixed external thread pipe, the locking nut comprises a first adjusting nut and a second extruding nut, a plurality of lateral expansion ports which are distributed in an annular array are arranged on the outer side thread surface of the first fixed external thread pipe, the top of the connecting end of the second movable external thread pipe is provided with an integral structure adjusting internal thread pipe which is raised in the first fixed external thread pipe, the outer side surface of the adjusting inner spiral pipe is provided with an external thread assembling strip which is raised towards the inside of the lateral telescopic opening, the inner side surface of the first fixed external thread pipe is provided with an annular internal adjusting groove internally provided with an elastic adjusting block, one end of the elastic adjusting block is axially fixed with an adjusting outer screw rod matched with the adjusting inner screw pipe.
The elastic adjusting block comprises an internal adjusting cylinder and an external limiting block, wherein the internal adjusting cylinder is movably assembled inside the annular internal adjusting groove, the external limiting block is elastically installed on the arc-shaped surface of the external side of the internal adjusting cylinder, a lateral adjusting opening used for installing the external limiting block is formed in the lateral surface of the internal adjusting cylinder, a lateral installing groove is formed in one side of the lateral adjusting opening in the lateral wall of the internal adjusting cylinder, and the external limiting block is elastically connected with the internal adjusting cylinder through an elastic extrusion piece on the inner lateral surface which is inserted into the lateral installing groove.
First adjusting nut lower surface seted up the first groove of accomodating of annular, second extrusion nut upper surface seted up the annular second and accomodate the groove, the inside symmetry of first adjusting nut seted up the arc regulation mouth of built-in regulating slide block, second adjusting nut upper surface correspond arc regulation mouth position and seted up the arc control groove, arc control groove medial surface be located upper end open position and have the top necking down board, the inside height of top necking down board reduce from loading and unloading mouth to the inboard gradually.
The arc-shaped adjusting port is internally provided with an inner adjusting port, the middle part of the adjusting slide block is provided with an inner adjusting port internally provided with a telescopic control block, the bottom of the telescopic control block is axially fixed with a bottom locking block matched with the top necking plate, and the telescopic control block is inserted into the inner adjusting port through an outer assembling elastic sheet and is elastically connected with the adjusting slide block.
The upper surface of the bottom locking block and the inner top surface of the top necking plate are provided with mutually meshed fixed tooth surfaces.
First adjusting nut and second extrusion nut between be provided with extrusion spring, extrusion spring upper end insert the annular first inside of accomodating the inslot portion and first adjusting nut fixed connection, the extrusion spring lower extreme insert the annular second and accomodate inslot portion and second extrusion nut fixed connection.
The outer side surface of the external thread assembling strip is provided with an internal assembling blind hole internally provided with an external rotating block, two sides of the external thread assembling strip are provided with internal overturning openings communicated with the internal assembling blind hole, and the inner side surface of each lateral telescopic opening is provided with a lateral overturning groove.
The lateral turnover plate protruding towards the inner turnover opening is arranged on the outer side arc-shaped surface of the outer rotating block, and an inner hexagonal adjusting groove is formed in the center position of the outer side plane of the outer rotating block.
The invention has the beneficial effects that:
(1) the flange bolt with the adjustable structure is formed by connecting a split type screw rod and a split type locking nut in a threaded manner, and the distance between a first fixed external threaded pipe and a second movable external threaded pipe is changed through the elastic adjusting block, so that the length of the whole bolt is changed, and the application range of the bolt is widened;
(2) the first adjusting nut and the second extruding nut are elastically connected through the extruding spring, and the maximum distance between the first adjusting nut and the second extruding nut is changed by using the adjusting slide block in the first adjusting nut, so that the shock absorption and the looseness prevention of the bolt are greatly improved, and the applicability of the bolt is further improved;
(3) the external thread assembling strip is elastically connected with the outer side surface of the adjusting inner thread pipe through the elastic extrusion piece, and the lateral overturning plate is controlled to be switched between the internal overturning port and the lateral overturning groove by utilizing the external rotating block inside the external thread assembling strip, so that the assembling mechanism is changed, the self-locking capacity can be improved, the assembling and disassembling can be facilitated, and the later-stage use cost is reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a sectional view of the interior of the screw in the present invention.
Figure 3 is a cross-sectional view of the interior of the lock nut of the present invention.
Figure 4 is a top view of the lock nut of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
FIG. 1, FIG. 2 and FIG. 3 show a flange bolt with adjustable structure, which comprises a screw, a control head 1 and a lock nut, wherein the screw comprises a first fixed external thread pipe 2 fixed at the central position of the outer side of the control head 1 and a second movable external thread pipe 3 movably mounted at the outer side of the first fixed external thread pipe 2, the lock nut comprises a first adjusting nut 4 and a second extruding nut 5, 2 lateral expansion ports 6 arranged in an annular array are arranged on the outer side thread surface of the first fixed external thread pipe 2, an integral structure adjusting internal thread pipe 7 protruding into the first fixed external thread pipe 2 is arranged at the top of the connecting end of the second movable external thread pipe 3, an external thread assembling strip 8 protruding into the lateral expansion ports 6 is arranged on the outer side surface of the adjusting internal thread pipe 7, an annular internal adjusting groove 9 with an internal elastic adjusting block is arranged on the inner side surface of the first fixed external thread pipe 2, an adjusting external screw rod 10 matched with the adjusting internal screw tube 7 is axially fixed at one end of the elastic adjusting block.
Example (b): the distance between the first adjusting nut 4 and the second extruding nut 5 can be adjusted by pressing the telescopic control block 21 to separate the upper surface of the bottom locking block 23 and the top necking plate 19 and then rotating along the arc-shaped adjusting port 17; and people control the distance between the second movable external thread pipes 3 outside the first fixed external thread pipe 2, only the external limiting block 12 is pressed from the lateral adjusting opening 13, then the internal adjusting cylinder 11 is rotated, the internal adjusting cylinder 11 drives the adjusting external thread rod 10 to rotate, the external thread assembling strip 8 is pressed while the external limiting block 12 is pressed, thus the distance between the second movable external thread pipes 3 outside the first fixed external thread pipe 2 can be adjusted, the external thread assembling strip 8 can adjust the lateral overturning plate 28 to overturn into the internal overturning opening 26 from the inside of the lateral overturning groove 27 through the rotation of the external rotating block 25, at this time, the external thread assembling strip 8 is elastically connected with the telescopic groove on the outer side surface of the adjusting internal thread pipe 7, the mounting mode of the external thread assembling strip 8 can be changed by inserting the external thread assembling strip 8 into the internal telescopic groove, the external thread assembling strip 8 slightly protrudes out of the lateral telescopic opening 6 under the normal state, the elastic anti-loosening device is used for elastically preventing loosening; and when the lateral turning plate 28 outside the external rotation block 25 is inserted into the lateral turning groove 27 from the internal turning port 26, the external side thread surface of the external thread assembling strip 8 is engaged with the external side of the first fixed external thread pipe 2, the external side thread surface is positioned at the same thread surface, and the external thread assembling strip 8 becomes rigid connection.
Furthermore, in order to facilitate the elastic assembly and the limit, the elastic adjusting block comprises an inner adjusting cylinder 11 movably assembled inside the annular inner adjusting groove 9 and an outer limit block 12 elastically installed on the arc-shaped surface outside the inner adjusting cylinder 11, the adjusting outer screw rod 10 is axially and fixedly connected with the inner adjusting cylinder 11, a lateral adjusting opening 13 used for installing the outer limit block 12 is arranged on the outer side surface of the inner adjusting cylinder 11, an outer control opening matched with the lateral adjusting opening 13 is arranged on the outer side surface of the first fixed outer threaded pipe 2, the limiting device is used for being inserted into an external limiting block 12 to fix and limit in a normal state, and is used for pressing the external limiting block 12 to adjust the angle of an internal adjusting cylinder 11 during adjustment, a lateral mounting groove 14 is formed in one side of a lateral adjusting opening 13 on the side wall of the internal adjusting cylinder 11, and the external limiting block 12 is inserted into the lateral mounting groove 14 through an elastic extrusion piece 15 on the inner side face and is elastically connected with the internal adjusting cylinder 11.
As shown in fig. 3 and 4, in order to adjust the structure of the lock nut conveniently, the lower surface of the first adjusting nut 4 is provided with an annular first accommodating groove 66, the upper surface of the second extruding nut 5 is provided with an annular second accommodating groove 77, the first adjusting nut 4 is internally and symmetrically provided with an arc-shaped adjusting opening 17 with a built-in adjusting slider 16, the upper surface of the second adjusting nut 5 is provided with an arc-shaped control groove 18 corresponding to the arc-shaped adjusting opening 17, the inner side surface of the arc-shaped control groove 18 is provided with a top reducing plate 19 at the upper end opening position, the inner height of the top reducing plate 19 is gradually reduced from the assembling and disassembling opening to the inner side, furthermore, for matching adjustment and locking fixation, the inner side surface of the arc-shaped adjusting opening 17 is symmetrically provided with lateral guide grooves 20, the middle part of the adjusting slider 16 is provided with an inner adjusting opening 22 with a built-in telescopic control block 21, the bottom of the telescopic control, the telescopic control block 21 is inserted into the inner adjusting opening 22 through an outer assembling elastic sheet and is elastically connected with the adjusting slide block 16.
Further, in order to promote the internal limiting capacity, the upper surface of the bottom locking block 23 and the inner top surface of the top necking plate 19 are both provided with mutually meshed fixed tooth surfaces, further, in order to match the elastic assembly, an extrusion spring 24 is arranged between the first adjusting nut 4 and the second extrusion nut 5, the upper end of the extrusion spring 24 is inserted into the annular first accommodating groove 66 to be fixedly connected with the first adjusting nut 4, and the lower end of the extrusion spring 24 is inserted into the annular second accommodating groove 77 to be fixedly connected with the second extrusion nut 5.
Further, accomodate and overturn spacingly for the cooperation, set up the interior assembly blind hole of built-in outside rotatory piece 25 on the 8 lateral surfaces of external screw thread assembly strip, the inside upset mouth 26 that is linked together with interior assembly blind hole inside is seted up to 8 both sides of external screw thread assembly strip, lateral direction returning face groove 27 has been seted up on the side in the lateral direction flexible mouth, furtherly, for cooperation lateral direction spacing and external control, have on the outside arcwall surface of outside rotatory piece 25 inside to the bellied lateral direction returning face plate 28 of upset mouth, hexagon socket head adjusting groove 29 has been seted up to outside rotatory piece 25 outside plane focus position.
The flange bolt with the adjustable structure is formed by connecting a split type screw rod and a split type locking nut in a threaded manner, and the distance between the first fixed external threaded pipe 2 and the second movable external threaded pipe 3 is changed through the elastic adjusting block, so that the length of the whole bolt is changed, and the application range of the bolt is widened; the first adjusting nut 4 and the second extruding nut 5 are elastically connected through an extruding spring 24, and the maximum distance between the first adjusting nut 4 and the second extruding nut 5 is changed by utilizing an adjusting slide block 16 in the first adjusting nut 4, so that the shock absorption and the looseness prevention of the bolt are greatly improved, and the applicability of the bolt is further improved; outside stopper 12 is through elastic extrusion piece 15 and the outside face elastic connection of an internal regulation section of thick bamboo 11, utilizes the inside outside rotatory piece 25 of external screw thread assembly strip 8 to control side direction returning face plate 28 and switch between inside turnover mouth 26 and side direction returning face groove 27 to change its assembly devices, not only can promote the auto-lock ability, can also conveniently load and unload, reduce later stage use cost.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides a flange bolt with adjustable structure, includes screw rod, control head (1) and lock nut, characterized by: the screw rod comprises a first fixed external thread pipe (2) fixed at the central position of the outer side surface of the control head (1) and a second movable external thread pipe (3) movably arranged at the outer side of the first fixed external thread pipe (2), the locking nut comprises a first adjusting nut (4) and a second extruding nut (5), a plurality of lateral expansion ports (6) distributed in an annular array are formed in the outer thread surface of the first fixed external thread pipe (2), an internal thread pipe (7) is adjusted to an integral structure of inner bulges of the first fixed external thread pipe (2) at the top of the connecting end of the second movable external thread pipe (3), external thread assembling strips (8) protruding in the lateral expansion ports (6) are arranged on the outer side surface of the internal thread pipe (7) to be adjusted, and an annular internal adjusting groove (9) with an internal elastic adjusting block is formed in the inner side surface of the first fixed external thread pipe (2), one end of the elastic adjusting block is axially fixed with an adjusting outer screw rod (10) matched with the adjusting inner screw tube (7).
2. A structurally adjustable flange bolt as defined in claim 1, wherein: the utility model discloses an inside regulation groove (9), including the inside regulation section of thick bamboo (11) of annular inside adjustment tank (9) inside and the outside stopper (12) of elastic mounting on the arcwall face of inside regulation section of thick bamboo (11) outside of activity assembly, inside regulation section of thick bamboo (11) lateral surface on offer side direction regulation mouth (13) that are used for installing outside stopper (12), inside regulation section of thick bamboo (11) lateral wall on lie in side direction regulation mouth (13) one side and seted up side direction mounting groove (14), outside stopper (12) insert inside and the inside regulation section of thick bamboo (11) elastic connection of side direction mounting groove (14) through elastic extrusion piece (15) on the medial surface.
3. A structurally adjustable flange bolt as defined in claim 1, wherein: first adjusting nut (4) lower surface seted up annular first groove (66) of accomodating, second extrusion nut (5) upper surface seted up annular second and accomodate groove (77), first adjusting nut (4) inside symmetry seted up arc regulation mouth (17) of built-in adjusting slider (16), second adjusting nut (5) upper surface correspond arc regulation mouth (17) position and seted up arc control groove (18), arc control groove (18) medial surface be located upper end open position and have top necking down board (19), top necking down board (19) inside highly from loading and unloading mouth toward the inboard reduce gradually.
4. A structurally adjustable flange bolt as defined in claim 3, wherein: lateral guide grooves (20) are symmetrically formed in the inner side face of the arc-shaped adjusting opening (17), an inner adjusting opening (22) of a built-in telescopic control block (21) is formed in the middle of the adjusting sliding block (16), a bottom locking block (23) matched with the top necking plate (19) is axially fixed at the bottom of the telescopic control block (21), and the telescopic control block (21) is inserted into the inner adjusting opening (22) through an outer assembling elastic sheet and is elastically connected with the adjusting sliding block (16).
5. A flange bolt with an adjustable structure according to claim 4, characterized in that: the upper surface of the bottom locking block (23) and the inner top surface of the top necking plate (19) are provided with mutually meshed fixed tooth surfaces.
6. A structurally adjustable flange bolt as defined in claim 3, wherein: first adjusting nut (4) and second extrusion nut (5) between be provided with extrusion spring (24), extrusion spring (24) upper end insert the first groove (66) of accomodating of annular inside and first adjusting nut (4) fixed connection, extrusion spring (24) lower extreme insert the annular second and accomodate inside and second extrusion nut (5) fixed connection in groove (77).
7. A structurally adjustable flange bolt as defined in claim 1, wherein: the outer side surface of the external thread assembling strip (8) is provided with an internal assembling blind hole internally provided with an external rotating block (25), two sides of the external thread assembling strip (8) are provided with internal turnover openings (26) communicated with the internal assembling blind hole, and the inner side surface of the lateral telescopic opening (6) is provided with a lateral turnover groove (27).
8. A structurally adjustable flange bolt as defined in claim 7, wherein: the lateral turnover plate (28) protruding towards the interior turnover opening (26) is arranged on the arc-shaped surface of the outer side of the outer rotating block (25), and an inner hexagonal adjusting groove (29) is formed in the gravity center position of the outer side plane of the outer rotating block (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110214492.4A CN112963432A (en) | 2021-02-26 | 2021-02-26 | Flange bolt with adjustable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110214492.4A CN112963432A (en) | 2021-02-26 | 2021-02-26 | Flange bolt with adjustable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112963432A true CN112963432A (en) | 2021-06-15 |
Family
ID=76275726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110214492.4A Withdrawn CN112963432A (en) | 2021-02-26 | 2021-02-26 | Flange bolt with adjustable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112963432A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857150A (en) * | 2022-06-16 | 2022-08-05 | 奇瑞汽车股份有限公司 | Spare tire fixing bolt and vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209856185U (en) * | 2019-04-25 | 2019-12-27 | 苏州易固特精密五金有限公司 | Customized screw with self-locking function |
| CN112324782A (en) * | 2020-12-01 | 2021-02-05 | 联合创利五金科技江苏有限公司 | Folding bolt with easily accomodate formula |
-
2021
- 2021-02-26 CN CN202110214492.4A patent/CN112963432A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209856185U (en) * | 2019-04-25 | 2019-12-27 | 苏州易固特精密五金有限公司 | Customized screw with self-locking function |
| CN112324782A (en) * | 2020-12-01 | 2021-02-05 | 联合创利五金科技江苏有限公司 | Folding bolt with easily accomodate formula |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857150A (en) * | 2022-06-16 | 2022-08-05 | 奇瑞汽车股份有限公司 | Spare tire fixing bolt and vehicle |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210615 |