CN116145828A - Secondary connecting piece for building installation - Google Patents
Secondary connecting piece for building installation Download PDFInfo
- Publication number
- CN116145828A CN116145828A CN202310432194.1A CN202310432194A CN116145828A CN 116145828 A CN116145828 A CN 116145828A CN 202310432194 A CN202310432194 A CN 202310432194A CN 116145828 A CN116145828 A CN 116145828A
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- Prior art keywords
- sleeve
- connecting sleeve
- push
- rod
- plate
- 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.)
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- 238000009434 installation Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000005553 drilling Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001960 triggered 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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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 discloses a secondary connecting piece for building installation, which comprises a connecting device, wherein the connecting device comprises a threaded rod, a sleeve, a thread bush, a nut and a fastening mechanism, the top of the threaded rod is fixedly connected with the top of the sleeve, the bottom of the threaded rod vertically extends downwards and extends out of the sleeve, the upper section of the threaded rod is a smooth section, the lower section of the threaded rod is a thread section, the thread bush is sleeved in the sleeve and is in threaded connection with the sleeve, the bottom end of the thread bush is fixedly connected with the nut coaxially, the fastening mechanism comprises a push plate and a fastening component, when the connecting device is installed, the connecting device is placed in a drilled hole of a wall body, then a conical block is contacted with the inner wall of the drilled hole, then the nut is rotated, so that the thread bush moves upwards along the sleeve, then the push plate is pushed upwards along the smooth section of the threaded rod, so that the connecting rod pushes the conical block to stretch, and the conical block is embedded into the inner wall of the drilled hole, and the sleeve is stably installed.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a secondary connecting piece for building installation.
Background
The secondary connecting piece can be used for building installation, wherein the in-process of building installation generally uses the inflation screw, and the inflation screw is metal inflation screw, and the fixed of inflation screw is to utilize the wedge inclination to promote the inflation to produce friction bond-up power, reaches fixed effect, and during long-time use, easily produce not hard up, can not carry out secondary fastening, and the inflation screw often only can disposable, can't repetitious usage, and for this reason, the secondary connecting piece that needs building installation to use.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a secondary connecting piece for building installation.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
A secondary connector for use in building installation, comprising:
connecting device, connecting device include threaded rod, sleeve, thread bush, nut, fastening mechanism, the sleeve be top sealed, bottom open-ended tubular structure, the threaded rod is vertical to be set up in telescopic center department, the top of threaded rod and telescopic top fixed connection, the vertical downwardly extending of bottom stretch out the sleeve, the upper segment portion of threaded rod is smooth section, hypomere portion is the screw thread section, telescopic inner wall seted up the thread groove, the thread bush cover locate in the sleeve and with sleeve threaded connection, the bottom and the coaxial fixed connection of nut of thread bush, fastening mechanism include push pedal, fastening assembly, the push pedal cover locate on the smooth section of threaded rod, the push pedal is in the top of thread bush, telescopic wall portion has been seted up and has been dodged the groove, dodged the groove and has been seted up a plurality of and evenly encircle in telescopic circumferencial direction, fastening assembly be provided with multiunit and dodged the groove one-to-one with the sleeve, fastening assembly includes connecting rod, tapered block one end through the face connection of connecting rod and push pedal, the other end pass telescopic groove.
As the further improvement of this technical scheme, be provided with guide board, strengthening mechanism in the thread bush, guide board fixed set up in the inner wall department of thread bush, guide board be provided with a plurality of and evenly encircle in the inner ring face department of thread bush, strengthening mechanism be in the below of guide board, strengthening mechanism be provided with a plurality of and with guide board one-to-one, strengthening mechanism passes through the bottom fixed connection of connecting plate and push pedal.
As a further improvement of the technical scheme, the reinforcing mechanism comprises a first connecting sleeve, a second connecting sleeve, a first push plate, a first ejector rod, a spring, a second push plate, a second ejector rod and a second spring, wherein the first connecting sleeve is fixedly connected with the bottom of the push plate through a connecting plate, the first connecting sleeve is vertically arranged, the second connecting sleeve is vertically communicated with the top of the first connecting sleeve, the first push plate is matched and sleeved in the first connecting sleeve and is positioned at the bottom of the first connecting sleeve, the top of the first ejector rod is coaxially and fixedly connected with the center of the first connecting sleeve, the other end of the first push rod penetrates through the bottom of the first connecting sleeve and vertically downwards, the first spring is matched and sleeved in the first connecting sleeve, one end of the first spring is contacted with the top of the first connecting sleeve, the other end of the first spring is contacted with the first push plate, the second push plate is matched and is arranged in the bottom of the second connecting sleeve, the bottom of the second connecting sleeve is coaxially and fixedly connected with the center of the second push plate, the other end of the second spring penetrates through the top of the second connecting sleeve and stretches out of the second connecting sleeve, the second spring is arranged obliquely, and the top of the second ejector rod is close to the guide plate and is positioned under the guide plate.
As a further improvement of the technical scheme, the inner diameter of the first connecting sleeve is larger than that of the second connecting sleeve.
As a further improvement of the technical scheme, the bottom of the first conical block is vertically extended to be provided with a support plate, and the bottom of the support plate is horizontally extended to be provided with a second conical block.
Compared with the prior art, the invention has the advantages that in the use process, the connecting device is arranged in the drilling hole of the wall body, the conical block I can be embedded into the inner wall of the drilling hole, so that the sleeve is stably installed, when the sleeve is fixed by the nut, the ejector rod II can be triggered to move upwards, the ejector rod II abuts against the bottom of the guide plate, when the sleeve loosens, the ejector rod II abuts against the bottom of the guide plate, so that the threaded sleeve rotates, and then the push plate is promoted to move upwards again, so that the conical block I and the inner wall of the drilling hole are embedded more tightly, and the installation stability of the sleeve is further improved; the connector can be disassembled and used for multiple times.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings that are required to be used in the embodiments of the present invention will be briefly described below. It is evident that the drawings described below are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of a connecting device according to the present invention.
Fig. 3 is a schematic view of the fastening mechanism of the present invention.
Fig. 4 is a schematic view of the interior of the thread bush of the present invention.
FIG. 5 is a schematic view of an arrangement of the reinforcement mechanism according to the present invention.
Fig. 6 is a schematic diagram of the cooperation of the strengthening mechanism and the guide plate according to the present invention.
Fig. 7 is a schematic diagram of the cooperation of the first connecting sleeve and the second connecting sleeve.
FIG. 8 is a schematic diagram showing the cooperation of the first push plate and the first spring according to the present invention.
Fig. 9 is a schematic diagram of the cooperation between the second push plate and the second spring according to the present invention.
The drawing is marked as:
10. a connecting device; 110. a threaded rod;
20. a sleeve; 210. a thread sleeve; 211. a guide plate; 220. a nut; 230. a fastening mechanism; 231. a push plate; 232. a connecting rod; 233. a conical block I; 234. a support plate; 235. a conical block II; 240. a connecting plate; 250. a reinforcing mechanism; 251. the first connecting sleeve is connected; 252. a second connecting sleeve; 253. a pushing plate I; 254. a first ejector rod; 255. a first spring; 256. a pushing plate II; 257. a second ejector rod; 258. and a second spring.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present invention and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.
In the description of the present invention, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 9, a secondary connector for building installation, comprising:
the connecting device 10, connecting device 10 includes threaded rod 110, sleeve 20, thread bush 210, nut 220, fastening mechanism 230, sleeve 20 be top closed, bottom open-ended tubular structure, the vertical setting in sleeve 20's center department of threaded rod 110, the top of threaded rod 110 and sleeve 20's top fixed connection, the vertical downwardly extending in bottom and stretch out sleeve 20, the upper segment portion of threaded rod 110 is smooth section, lower segment portion is the screw thread section, sleeve 20's inner wall seted up the screw thread groove, thread bush 210 cover locate sleeve 20 in and with sleeve 20 threaded connection, the bottom and nut 220 coaxial fixed connection of thread bush 210, fastening mechanism 230 include push pedal 231, fastening component, push pedal 231 cover locate threaded rod 110's smooth section, push pedal 231 is in the top of thread bush 210, sleeve 20's wall portion has seted up the groove, dodge the groove and evenly encircle in sleeve 20's circumferencial direction, fastening component is provided with multiunit and with sleeve 20 dodge groove one-to-one, fastening component includes connecting rod 232, conical block 233 one end through the connecting rod 232, the inner wall setting up the conical block 233 and the connecting rod 20 and the nut 20 the same time, so that the conical block 233 is followed the inner wall setting up the conical block that the inner wall of the thrust device is followed to the inner wall of sleeve 20, the inner wall setting up the conical device that the conical block is followed the inner wall of the sleeve 20 and is followed the setting up the conical device that the inner wall of the conical device is followed the screw thread device that the inner wall of the device is put into the device to the inner wall of the device to the bore hole device 20 to the bore hole device to the end of the device to the bore hole device 20 to the one.
As shown in fig. 1 and 4, the to-be-fixed member is fixed on the threaded rod 110 through the connection auxiliary member, in order to improve the stable installation effect of the to-be-fixed member, a guide plate 211 and a reinforcing mechanism 250 are arranged in the threaded sleeve 210, the guide plate 211 is fixedly arranged at the inner wall of the threaded sleeve 210, the guide plate 211 is provided with a plurality of reinforcing mechanisms which uniformly encircle the inner annular surface of the threaded sleeve 210, the reinforcing mechanism 250 is arranged below the guide plate 211, the reinforcing mechanisms 250 are provided with a plurality of reinforcing mechanisms which correspond to the guide plate 211 one by one, and the reinforcing mechanism 250 is fixedly connected with the bottom of the push plate 231 through the connecting plate 240.
More specifically, the reinforcement mechanism 250 includes a first connecting sleeve 251, a second connecting sleeve 252, a first pushing plate 253, a first pushing rod 254, a first spring 255, a second pushing plate 256, a second pushing rod 257, and a second spring 258, wherein the first connecting sleeve 251 is fixedly connected with the bottom of the first pushing plate 231 through the connecting plate 240, the first connecting sleeve 251 is vertically arranged, the second connecting sleeve 252 is vertically communicated with the top of the first connecting sleeve 251, the first pushing plate 253 is sleeved in the first connecting sleeve 251 in a matching manner and is positioned at the bottom of the first connecting sleeve 251, the top of the first pushing rod 254 is fixedly connected with the center of the first pushing plate 253 in a coaxial manner, the other end of the first pushing rod 254 extends vertically downwards through the bottom of the first connecting sleeve 251, the first spring 255 is sleeved in the first connecting sleeve 251 in a matching manner, one end of the first spring 255 is in contact with the top of the first connecting sleeve 251, the other end of the first spring 255 is in contact with the first pushing plate 253, the second pushing plate 256 is arranged in a matching manner and is positioned at the bottom of the second connecting sleeve 252, the bottom of the second ejector rod 257 is fixedly connected with the center of the second push plate 256 coaxially, the other end of the second ejector rod 257 passes through the top of the second connecting sleeve 252 and extends out of the second connecting sleeve 252, the second spring 258 is sleeved in the second connecting sleeve 252, one end of the second spring 258 is contacted with the second push plate 256, the other end of the second spring 258 is contacted with the top of the second connecting sleeve 252, the guide plate 211 is obliquely arranged, the top end of the second ejector rod 256 is close to the guide plate 211 and is positioned right below the guide plate 211, when the sleeve 20 is fixed through the nut 220, the bottom end of the first ejector rod 245 extends to the lower part of the nut 220, when the fixing piece is fixed on the threaded rod 110 through the connecting auxiliary piece, the connecting auxiliary piece abuts against the bottom end of the first ejector rod 245, so that the first ejector rod 245 is pushed to move upwards, the first spring 255 is compressed, then the air pressure in the first connecting sleeve 251 is increased, the second push plate 256 is pushed upwards, and the second ejector rod 257 is pushed upwards, the second ejector rod 257 abuts against the bottom of the guide plate 211, when the sleeve 20 loosens, the second ejector rod 257 abuts against the bottom of the guide plate 211, so that the threaded sleeve 210 rotates, and then the push plate 231 is pushed upwards again, so that the first conical block 233 is tightly embedded with the inner wall of the drilled hole, and the installation stability of the sleeve 20 is further improved.
More specifically, the inner diameter of the first connecting sleeve 251 is larger than the inner diameter of the second connecting sleeve 252, so that the air pressure in the first connecting sleeve 251 can push the second ejector rod 257 to move upwards after being increased, the upward movement amount of the second ejector rod 257 is larger than that of the first ejector rod 254, the deflection amount of the threaded sleeve 210 can be increased, the upward movement amount of the push plate 231 is increased, and the embedding amount of the first conical block 233 is increased.
More specifically, the bottom of the first conical block 233 extends vertically to form a support plate 234, the bottom of the support plate 234 extends horizontally to form a second conical block 235, and the first conical block 233 and the second conical block 235 are simultaneously embedded into the inner wall of the drilled hole to improve the installation stability of the sleeve 20.
Working principle:
in the process of using the connecting device 10, when the connecting device 10 is installed in a drilling hole of a wall body, the conical block 233 is contacted with the inner wall of the drilling hole, the nut 220 is rotated, so that the threaded sleeve 210 moves upwards along the sleeve 20, the push plate 231 is pushed to move upwards along the smooth section of the threaded rod 110, the connecting rod 232 pushes the conical block 233 to stretch, the conical block 233 is embedded into the inner wall of the drilling hole, the sleeve 20 is stably installed, when the sleeve 20 is fixed through the nut 220, the bottom end of the push plate 245 extends to the lower part of the nut 220, when the fixing piece is fixed on the threaded rod 110 through the connecting auxiliary piece, the connecting auxiliary piece abuts against the bottom end of the push plate 245, so that the push plate 245 is pushed upwards, the spring 255 is compressed, then the air pressure in the connecting sleeve 251 is increased, so that the push plate two 257 is pushed upwards, the push plate 257 is pushed upwards, the bottom of the guide plate 211 is pushed, when the sleeve 20 is loosened, the push plate two 257 abuts against the bottom of the guide plate 211, the threaded sleeve 210 is rotated, and then the push plate 231 is pushed upwards again, so that the conical block 233 and the inner wall 233 is tightly embedded into the drilling hole 20, and the stability is further improved.
It should be understood that the above description is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be apparent to those skilled in the art that various modifications, equivalents, variations, and the like can be made to the present invention. However, such modifications are intended to fall within the scope of the present invention without departing from the spirit of the present invention. In addition, some terms used in the specification and claims of the present application are not limiting, but are merely for convenience of description.
Claims (5)
1. A secondary connector for use in building installations, comprising: connecting device, connecting device include threaded rod, sleeve, thread bush, nut, fastening mechanism, the sleeve be top sealed, bottom open-ended tubular structure, the threaded rod is vertical to be set up in telescopic center department, the top of threaded rod and telescopic top fixed connection, the vertical downwardly extending of bottom stretch out the sleeve, the upper segment portion of threaded rod is smooth section, hypomere portion is the screw thread section, telescopic inner wall seted up the thread groove, the thread bush cover locate in the sleeve and with sleeve threaded connection, the bottom and the coaxial fixed connection of nut of thread bush, fastening mechanism include push pedal, fastening assembly, the push pedal cover locate on the smooth section of threaded rod, the push pedal is in the top of thread bush, telescopic wall portion has been seted up and has been dodged the groove, dodged the groove and has been seted up a plurality of and evenly encircle in telescopic circumferencial direction, fastening assembly be provided with multiunit and dodged the groove one-to-one with the sleeve, fastening assembly includes connecting rod, tapered block one end through the face connection of connecting rod and push pedal, the other end pass telescopic groove.
2. The secondary connecting piece for building installation according to claim 1, wherein guide plates and reinforcing mechanisms are arranged in the threaded sleeve, the guide plates are fixedly arranged at the inner wall of the threaded sleeve, the guide plates are provided with a plurality of reinforcing mechanisms and uniformly encircle the inner annular surface of the threaded sleeve, the reinforcing mechanisms are arranged below the guide plates and are in one-to-one correspondence with the guide plates, and the reinforcing mechanisms are fixedly connected with the bottom of the push plate through connecting plates.
3. The secondary connecting piece for building installation according to claim 2, wherein the reinforcing mechanism comprises a first connecting sleeve, a second connecting sleeve, a first push plate, a first push rod, a first spring, a second push plate, a second push rod and a second spring, the first connecting sleeve is fixedly connected with the bottom of the push plate through a connecting plate, the first connecting sleeve is vertically arranged, the second connecting sleeve is vertically communicated with the top of the first connecting sleeve, the first push plate is matched and sleeved in the first connecting sleeve and is positioned at the bottom of the first connecting sleeve, the top of the first push rod is coaxially and fixedly connected with the center of the first push plate, the other end of the first push rod penetrates through the bottom of the first connecting sleeve and vertically downwards extends, one end of the first spring is contacted with the top of the first connecting sleeve, the other end of the first push rod is contacted with the first push plate, the second push rod is matched and is arranged in the second connecting sleeve, the bottom of the second push rod is coaxially and fixedly connected with the center of the second push plate, the other end of the second spring penetrates through the top of the second connecting sleeve and is arranged outside the connecting sleeve, one end of the second spring is contacted with the top of the second connecting sleeve, the top of the first push rod is obliquely arranged, and the top of the second push rod is close to the guide plate.
4. A secondary connection for building installation according to claim 3, wherein the first connecting sleeve has an inner diameter greater than the second connecting sleeve.
5. The secondary connector for building installation according to claim 2, wherein the bottom of the first tapered block is provided with a support plate in a vertical extending manner, and the bottom of the support plate is provided with the second tapered block in a horizontal extending manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310432194.1A CN116145828B (en) | 2023-04-21 | 2023-04-21 | Secondary connecting piece for building installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310432194.1A CN116145828B (en) | 2023-04-21 | 2023-04-21 | Secondary connecting piece for building installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116145828A true CN116145828A (en) | 2023-05-23 |
| CN116145828B CN116145828B (en) | 2023-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310432194.1A Active CN116145828B (en) | 2023-04-21 | 2023-04-21 | Secondary connecting piece for building installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116145828B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020106256A1 (en) * | 2001-02-07 | 2002-08-08 | Werner Kaibach | Expandable anchorage |
| CN101672078A (en) * | 2009-10-15 | 2010-03-17 | 淮南市顺辉锚固有限公司 | Construction method of keelless direct-hang type stone curtain wall |
| CN106825678A (en) * | 2017-03-23 | 2017-06-13 | 恒运市政园林建设有限公司 | A kind of interior decoration perforating device |
| CN206257149U (en) * | 2016-11-09 | 2017-06-16 | 郑州飞机装备有限责任公司 | Anti-loose bolt nut assembly |
| WO2017161962A1 (en) * | 2016-03-25 | 2017-09-28 | 张子豹 | V-shaped universal expansion bolt |
| CN209654390U (en) * | 2019-03-19 | 2019-11-19 | 张连文 | A kind of setscrew that bearing capacity is strong |
| CN211370929U (en) * | 2020-01-06 | 2020-08-28 | 深圳市深象紧固科技股份有限公司 | Expansion fastening device suitable for thin wall |
| CN217926654U (en) * | 2022-08-31 | 2022-11-29 | 嘉兴市朗博汽配科技有限公司 | Expansion bolt |
| CN115523214A (en) * | 2022-09-30 | 2022-12-27 | 厦门兴锦达五金科技有限公司 | Self-tapping expansion screw and sleeve thereof |
-
2023
- 2023-04-21 CN CN202310432194.1A patent/CN116145828B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020106256A1 (en) * | 2001-02-07 | 2002-08-08 | Werner Kaibach | Expandable anchorage |
| CN101672078A (en) * | 2009-10-15 | 2010-03-17 | 淮南市顺辉锚固有限公司 | Construction method of keelless direct-hang type stone curtain wall |
| WO2017161962A1 (en) * | 2016-03-25 | 2017-09-28 | 张子豹 | V-shaped universal expansion bolt |
| CN206257149U (en) * | 2016-11-09 | 2017-06-16 | 郑州飞机装备有限责任公司 | Anti-loose bolt nut assembly |
| CN106825678A (en) * | 2017-03-23 | 2017-06-13 | 恒运市政园林建设有限公司 | A kind of interior decoration perforating device |
| CN209654390U (en) * | 2019-03-19 | 2019-11-19 | 张连文 | A kind of setscrew that bearing capacity is strong |
| CN211370929U (en) * | 2020-01-06 | 2020-08-28 | 深圳市深象紧固科技股份有限公司 | Expansion fastening device suitable for thin wall |
| CN217926654U (en) * | 2022-08-31 | 2022-11-29 | 嘉兴市朗博汽配科技有限公司 | Expansion bolt |
| CN115523214A (en) * | 2022-09-30 | 2022-12-27 | 厦门兴锦达五金科技有限公司 | Self-tapping expansion screw and sleeve thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116145828B (en) | 2023-07-11 |
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