CN110878789A - Shockproof screw - Google Patents
Shockproof screw Download PDFInfo
- Publication number
- CN110878789A CN110878789A CN201911138088.2A CN201911138088A CN110878789A CN 110878789 A CN110878789 A CN 110878789A CN 201911138088 A CN201911138088 A CN 201911138088A CN 110878789 A CN110878789 A CN 110878789A
- Authority
- CN
- China
- Prior art keywords
- screw
- stirring
- sol
- parts
- temperature
- 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.)
- Granted
Links
- 239000007787 solid Substances 0.000 claims abstract description 18
- 239000003292 glue Substances 0.000 claims abstract description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 48
- 238000003756 stirring Methods 0.000 claims description 32
- 229920000877 Melamine resin Polymers 0.000 claims description 28
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 28
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 239000006185 dispersion Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 14
- 239000012188 paraffin wax Substances 0.000 claims description 13
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 8
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 8
- 239000004202 carbamide Substances 0.000 claims description 8
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- JPMIIZHYYWMHDT-UHFFFAOYSA-N octhilinone Chemical compound CCCCCCCCN1SC=CC1=O JPMIIZHYYWMHDT-UHFFFAOYSA-N 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 8
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 8
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 238000002390 rotary evaporation Methods 0.000 claims description 4
- 238000009210 therapy by ultrasound Methods 0.000 claims description 4
- 239000004200 microcrystalline wax Substances 0.000 claims description 3
- 235000019808 microcrystalline wax Nutrition 0.000 claims description 3
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 claims description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 2
- PHBHLGMKAXXUKV-UHFFFAOYSA-N C=O.C=O.[Na] Chemical compound C=O.C=O.[Na] PHBHLGMKAXXUKV-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
- C09J161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09J161/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C09J161/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
The invention discloses a screw head and a screw section formed by extending downwards from the screw head, wherein a ring of material locking grooves are formed in the lower surface of the screw head around the screw section, and solid glue is filled in the material locking grooves. The acoustic screw disclosed by the invention is matched with the specially-made solid glue, so that the problem of acoustic conduction vibration can be solved, the traditional shock absorption gasket is replaced, the safety and confidentiality under special requirements are improved, the quality is high, and the applicability is good.
Description
Technical Field
The invention relates to the field of screws, in particular to a shockproof screw.
Background
In recent years, various electronic devices such as computers and pen phones are more and more popular, and multimedia peripheral devices such as speakers and the like are more and more in demand; however, if the speaker is disposed inside the electronic device, it is easy to generate vibration and transmit the vibration to the outside through the structure, which causes other related parts such as a hard disk, an optical disk drive, etc. to generate resonance, thereby causing operation failure;
most of the conventional methods for reducing the vibration generated by the speaker to avoid affecting other elements are to add shock absorbing pads on the fixing hole structure of the speaker to absorb the vibration generated by the speaker during operation, but the speaker still directly contacts with the main structure. It can be known from the prior experience that the shock absorption gasket is additionally arranged between the loudspeaker and the main structure, the effect of absorbing partial shock is indeed achieved, but the problem can not be effectively solved, the shock absorption gasket is not attractive enough, the requirement on the quality of the shock absorption gasket is high, and once the shock absorption gasket is damaged, the shock absorption effect is easily reduced.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a shockproof screw.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a shockproof screw, includes the screw head and from the screw head downwardly extending screw rod section that forms, the lower surface of screw head is opened around the screw rod section has a circle of lock silo intussuseption is filled with the solid glue.
The screw section (2) part near the screw head (1) is provided with 2 linear grooves (4) filled with solid glue.
The solid glue is prepared from the following raw materials in parts by weight:
10-14 parts of melamine modified sol, 50-60 parts of formaldehyde, 110-120 parts of urea, 1-2 parts of sodium carboxymethyl cellulose and 7-9 parts of sodium hydroxide solution with the concentration of 10-15%.
The melamine modified sol consists of the following raw materials in parts by weight:
octyl isothiazolinone 0.1-0.3, ethyl orthosilicate 30-40, melamine 4-6, gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane 16-20, catalyst 0.1-0.13, and microcrystalline wax 3-5.
The catalyst is hydrochloric acid with the concentration of 70-80%.
The preparation method of the melamine modified sol comprises the following steps:
(1) taking microcrystalline paraffin, adding the microcrystalline paraffin into anhydrous methanol which is 10-13 times of the weight of the microcrystalline paraffin, and stirring for 10-20 minutes to obtain methanol dispersion liquid;
(2) adding tetraethoxysilane into deionized water which is 20-27 times of tetraethoxysilane, mixing with the methanol dispersion liquid, adding octyl isothiazolinone, sending into a constant temperature water bath at 55-60 ℃, and stirring for 3-4 hours at the constant temperature to obtain sol dispersion liquid;
(3) adding gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane into the sol dispersion liquid, uniformly stirring, carrying out ultrasonic treatment for 7-10 minutes, adding a catalyst, carrying out heat preservation stirring at 60-70 ℃ for 5-7 hours, discharging and cooling to obtain a pretreated sol solution;
(4) and (3) adding melamine into the pretreated sol solution, uniformly stirring, and removing methanol by rotary evaporation to obtain the melamine modified sol.
The preparation method of the solid gum comprises the following steps:
mixing formaldehyde and 10-15% sodium hydroxide solution, stirring uniformly, adding into a reaction kettle, adding melamine modified sol, stirring uniformly, adjusting the temperature of the reaction kettle to 40-45 ℃, adding urea, raising the temperature to 60-70 ℃, keeping the temperature, stirring for 1-2 hours, adding sodium carboxymethylcellulose, raising the temperature to 80-85 ℃, keeping the temperature for 30-40 minutes, cooling to below 45 ℃, and discharging to obtain the formaldehyde-urea modified urea-sodium formaldehyde resin.
The invention has the advantages that:
the screw is particularly suitable for the acoustic screw, the vibrator can be flexibly isolated from the shell, sound deviation leakage is reduced, conduction efficiency is improved, and sound noise is reduced.
Drawings
FIG. 1 is a cross-sectional view of the anti-vibration screw of the present invention;
FIG. 2 is a left side view of the anti-vibration screw of the present invention;
fig. 3 is a right side view of the anti-vibration screw of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to figures 1, 2 and 3,
the utility model provides a shockproof screw, includes screw head 1 and the screw section 2 that forms from screw head downwardly extending, the lower surface of screw head is opened around the screw section has a circle locking groove 3 locking groove intussuseption is filled with solid glue.
The screw section 2 part near the screw head 1 is provided with 2 linear grooves 4 which are filled with solid glue.
The solid glue is prepared from the following raw materials in parts by weight:
melamine modified sol 14, formaldehyde 60, urea 120, sodium carboxymethylcellulose 2 and 15% sodium hydroxide solution 9.
The melamine modified sol consists of the following raw materials in parts by weight:
octyl isothiazolinone 0.3, ethyl orthosilicate 40, melamine 6, gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane 20, catalyst 0.13 and microcrystalline paraffin 5.
The catalyst is hydrochloric acid with the concentration of 80%.
The preparation method of the melamine modified sol comprises the following steps:
(1) taking microcrystalline paraffin, adding the microcrystalline paraffin into anhydrous methanol with the weight 13 times that of the microcrystalline paraffin, and stirring for 20 minutes to obtain a methanol dispersion liquid;
(2) adding tetraethoxysilane into deionized water 27 times of the tetraethoxysilane, mixing with the methanol dispersion liquid, adding octyl isothiazolinone, sending into a constant temperature water bath at 60 ℃, and stirring for 4 hours at the constant temperature to obtain sol dispersion liquid;
(3) adding gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane into the sol dispersion, uniformly stirring, performing ultrasonic treatment for 10 minutes, adding a catalyst, performing heat preservation and stirring at 70 ℃ for 7 hours, discharging and cooling to obtain a pretreated sol solution;
(4) and (3) adding melamine into the pretreated sol solution, uniformly stirring, and removing methanol by rotary evaporation to obtain the melamine modified sol.
The preparation method of the solid gum comprises the following steps:
mixing formaldehyde and 15% sodium hydroxide solution, stirring uniformly, adding into a reaction kettle, adding melamine modified sol, stirring uniformly, adjusting the temperature of the reaction kettle to 45 ℃, adding urea, raising the temperature to 70 ℃, keeping the temperature and stirring for 2 hours, adding sodium carboxymethylcellulose, raising the temperature to 85 ℃, keeping the temperature for 40 minutes, reducing the temperature to below 45 ℃, and discharging to obtain the formaldehyde-urea modified sol.
Example 2
The utility model provides a shockproof screw, includes screw head 1 and the screw section 2 that forms from screw head downwardly extending, the lower surface of screw head is opened around the screw section has a circle locking groove 3 locking groove intussuseption is filled with solid glue.
The screw section 2 part near the screw head 1 is provided with 2 linear grooves 4 which are filled with solid glue.
The solid glue is prepared from the following raw materials in parts by weight:
melamine modified sol 10, formaldehyde 60, urea 110, sodium carboxymethylcellulose 1 and 10% sodium hydroxide solution 7.
The melamine modified sol consists of the following raw materials in parts by weight:
octyl isothiazolinone 0.1, ethyl orthosilicate 30, melamine 4, gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane 16, catalyst 0.1 and microcrystalline wax 3.
The catalyst is hydrochloric acid with the concentration of 70%.
The preparation method of the melamine modified sol comprises the following steps:
(1) taking microcrystalline paraffin, adding the microcrystalline paraffin into anhydrous methanol with the weight being 10 times of that of the microcrystalline paraffin, and stirring for 10 minutes to obtain methanol dispersion liquid;
(2) adding tetraethoxysilane into deionized water 27 times of the tetraethoxysilane, mixing with the methanol dispersion liquid, adding octyl isothiazolinone, sending into a constant temperature water bath at 55 ℃, and stirring for 3-4 hours at the constant temperature to obtain sol dispersion liquid;
(3) adding gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane into the sol dispersion, uniformly stirring, performing ultrasonic treatment for 7 minutes, adding a catalyst, performing heat preservation and stirring at 60 ℃ for 5 hours, discharging and cooling to obtain a pretreated sol solution;
(4) and (3) adding melamine into the pretreated sol solution, uniformly stirring, and removing methanol by rotary evaporation to obtain the melamine modified sol.
The preparation method of the solid gum comprises the following steps:
mixing formaldehyde and 10% sodium hydroxide solution, stirring uniformly, adding into a reaction kettle, adding melamine modified sol, stirring uniformly, adjusting the temperature of the reaction kettle to 40 ℃, adding urea, raising the temperature to 60 ℃, keeping the temperature and stirring for 1 hour, adding sodium carboxymethylcellulose, raising the temperature to 80 ℃, keeping the temperature for 30 minutes, reducing the temperature to below 45 ℃, and discharging to obtain the formaldehyde-sodium formaldehyde composite material.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a shockproof screw, includes screw head (1) and screw section (2) that form from screw head downwardly extending, its characterized in that, the lower surface of screw head is opened around the screw section has a circle of lock silo (3) the lock silo intussuseption is filled with the solid glue.
2. Shockproof screw according to claim 1, characterised in that the portion of the shank section (2) near the screw head (1) is provided with 2 rectilinear grooves (4) filled with solid glue.
3. The shockproof screw of claim 1, wherein the solid glue is composed of the following raw materials in parts by weight:
10-14 parts of melamine modified sol, 50-60 parts of formaldehyde, 110-120 parts of urea, 1-2 parts of sodium carboxymethyl cellulose and 7-9 parts of sodium hydroxide solution with the concentration of 10-15%.
4. The shockproof screw according to claim 2, wherein the melamine modified sol is prepared from the following raw materials in parts by weight:
octyl isothiazolinone 0.1-0.3, ethyl orthosilicate 30-40, melamine 4-6, gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane 16-20, catalyst 0.1-0.13, and microcrystalline wax 3-5.
5. The anti-vibration screw of claim 4, wherein the catalyst is hydrochloric acid having a concentration of 70-80%.
6. The shockproof screw according to claim 4, wherein the preparation method of the melamine modified sol comprises the following steps:
(1) taking microcrystalline paraffin, adding the microcrystalline paraffin into anhydrous methanol which is 10-13 times of the weight of the microcrystalline paraffin, and stirring for 10-20 minutes to obtain methanol dispersion liquid;
(2) adding tetraethoxysilane into deionized water which is 20-27 times of tetraethoxysilane, mixing with the methanol dispersion liquid, adding octyl isothiazolinone, sending into a constant temperature water bath at 55-60 ℃, and stirring for 3-4 hours at the constant temperature to obtain sol dispersion liquid;
(3) adding gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane into the sol dispersion liquid, uniformly stirring, carrying out ultrasonic treatment for 7-10 minutes, adding a catalyst, carrying out heat preservation stirring at 60-70 ℃ for 5-7 hours, discharging and cooling to obtain a pretreated sol solution;
(4) and (3) adding melamine into the pretreated sol solution, uniformly stirring, and removing methanol by rotary evaporation to obtain the melamine modified sol.
7. The shockproof screw according to claim 2, wherein the preparation method of the solid glue comprises the following steps:
mixing formaldehyde and 10-15% sodium hydroxide solution, stirring uniformly, adding into a reaction kettle, adding melamine modified sol, stirring uniformly, adjusting the temperature of the reaction kettle to 40-45 ℃, adding urea, raising the temperature to 60-70 ℃, keeping the temperature, stirring for 1-2 hours, adding sodium carboxymethylcellulose, raising the temperature to 80-85 ℃, keeping the temperature for 30-40 minutes, cooling to below 45 ℃, and discharging to obtain the formaldehyde-urea modified urea-sodium formaldehyde resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138088.2A CN110878789B (en) | 2019-11-20 | 2019-11-20 | Shockproof screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138088.2A CN110878789B (en) | 2019-11-20 | 2019-11-20 | Shockproof screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110878789A true CN110878789A (en) | 2020-03-13 |
| CN110878789B CN110878789B (en) | 2021-09-24 |
Family
ID=69729345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911138088.2A Active CN110878789B (en) | 2019-11-20 | 2019-11-20 | Shockproof screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110878789B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080037472A (en) * | 2006-10-26 | 2008-04-30 | 심낙훈 | Method for preventing bolt releasing in steel structures using structural bolt adhesive |
| CN203948427U (en) * | 2014-06-19 | 2014-11-19 | 日泰（上海）汽车标准件有限公司 | A kind of Anti-loosen sealing bolt of many grooves |
| CN106286545A (en) * | 2016-10-27 | 2017-01-04 | 苏州市淞舜五金有限公司 | A kind of self-expanding bolt |
| CN108913073A (en) * | 2018-05-31 | 2018-11-30 | 佛山市陵谐环保科技有限公司 | A kind of acid and alkali-resistance building adhesive |
| JP2019156876A (en) * | 2018-03-07 | 2019-09-19 | 信越ポリマー株式会社 | Self-adhesive member and fixing method therefor |
-
2019
- 2019-11-20 CN CN201911138088.2A patent/CN110878789B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080037472A (en) * | 2006-10-26 | 2008-04-30 | 심낙훈 | Method for preventing bolt releasing in steel structures using structural bolt adhesive |
| CN203948427U (en) * | 2014-06-19 | 2014-11-19 | 日泰（上海）汽车标准件有限公司 | A kind of Anti-loosen sealing bolt of many grooves |
| CN106286545A (en) * | 2016-10-27 | 2017-01-04 | 苏州市淞舜五金有限公司 | A kind of self-expanding bolt |
| JP2019156876A (en) * | 2018-03-07 | 2019-09-19 | 信越ポリマー株式会社 | Self-adhesive member and fixing method therefor |
| CN108913073A (en) * | 2018-05-31 | 2018-11-30 | 佛山市陵谐环保科技有限公司 | A kind of acid and alkali-resistance building adhesive |
Non-Patent Citations (1)
| Title |
|---|
| 徐金宝 等: "透明性固体胶棒的研制", 《中国胶粘剂》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110878789B (en) | 2021-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105841800B (en) | A kind of manufacturing method of high voltage bearing spherical hydrophone | |
| CN107277732A (en) | Carbon fiber top dome and its manufacture method | |
| CN110878789B (en) | Shockproof screw | |
| CN201396141Y (en) | Novel insulating short piece | |
| CN206922567U (en) | Motor cushion blocking, frame component and cooking machine | |
| CN207101336U (en) | Ultrasonic transducer installs fixed structure | |
| CN207526263U (en) | A kind of lockhole protective device of theftproof lock | |
| CN206820591U (en) | Motor cushion blocking, frame component and cooking machine | |
| CN205506203U (en) | High pressure resistant spherical hydrophone | |
| CN209312797U (en) | A kind of piezoelectric ceramics | |
| CN201207901Y (en) | Silent post-type mixer | |
| CN210247045U (en) | Portable loudspeaker | |
| CN205901485U (en) | Starter dustcoat | |
| CN206922568U (en) | Motor cushion blocking, frame component and cooking machine | |
| CN208818880U (en) | The fixation device of optical cable in a kind of cable tunnel | |
| CN217129323U (en) | Interior cavity formula toughened glass who makes an uproar sound insulation structure of making an uproar of establishing | |
| CN221263529U (en) | Split type motor shell that makes an uproar that falls | |
| CN205752683U (en) | A kind of closed type high frequency coaxial part | |
| CN201866151U (en) | Fission type damping pad | |
| CN206402391U (en) | A kind of honeycomb fashion loudspeaker enclosure | |
| CN217217323U (en) | Submersible electric pump controller mounting structure | |
| CN205901516U (en) | Motor fixing structure of food cooking device | |
| CN204167657U (en) | Commutator insulation structure | |
| CN205211598U (en) | Low noise electric automobile condenser | |
| CN212498351U (en) | Annular porous water-adding cooling device for drilling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |