CN110388366B - Outdoor anti-theft and anti-loose slotted nut - Google Patents
Outdoor anti-theft and anti-loose slotted nut Download PDFInfo
- Publication number
- CN110388366B CN110388366B CN201910805663.3A CN201910805663A CN110388366B CN 110388366 B CN110388366 B CN 110388366B CN 201910805663 A CN201910805663 A CN 201910805663A CN 110388366 B CN110388366 B CN 110388366B
- Authority
- CN
- China
- Prior art keywords
- nut
- hole
- grooves
- section
- theft
- 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.)
- Active
Links
- 239000003292 glue Substances 0.000 claims abstract description 15
- 239000002985 plastic film Substances 0.000 claims description 19
- 229920006255 plastic film Polymers 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 230000002265 prevention Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002245 particle Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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
- F16B33/00—Features common to bolt and nut
- F16B33/002—Means for preventing rotation of screw-threaded elements
-
- 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
-
- 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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
-
- 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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/021—Locking of screws, bolts or nuts in which the locking takes place after screwing down by injecting a settable material after the screwing down
-
- 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
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/005—Measures against unauthorised operation of bolts, nuts or pins
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses an outdoor anti-theft anti-loose slotted nut, which comprises a nut body and a plugging sleeve, wherein the nut body comprises a hexagonal upper nut section and a cylindrical lower nut section, the centers of the upper nut section and the lower nut section are communicated with a first through hole with internal threads, a plurality of first slots are formed in the lower nut section along the circumference, a plurality of second grooves are formed in the inner wall of the first through hole in the upper nut section, gravel is filled in the second grooves, the plugging sleeve is inserted into the first through hole and plugs the gravel in the second grooves, and the second grooves filled with the gravel are arranged in the nut body, so that fine gravel is filled in gaps between the nut body and bolts to block the bolts, and loosening is prevented; the first groove filled with the glue solution is arranged in the nut body, so that the glue solution directly enters a gap between the nut body and the bolt or is mixed with gravel, and the effects of looseness prevention and theft prevention are further realized.
Description
Technical Field
The invention relates to the technical field of nuts, in particular to the technical field of an outdoor anti-theft anti-loose slotted nut.
Background
The outdoor infrastructures often use fastening pieces such as nuts and bolts, and the fastening pieces can be conveniently detached due to the simple structure, so that the fastening pieces are often stolen or damaged by lawbreakers, and extremely unsafe hidden dangers are caused to the infrastructures or the infrastructures are directly damaged.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides an outdoor anti-theft and anti-loose slotted nut which can be used for locking a bolt and a nut through glue solution and sand gravel so as to realize the anti-loose and anti-theft effects.
In order to achieve the above purpose, the invention provides an outdoor anti-theft anti-loose slotted nut, which comprises a nut body and a plugging sleeve, wherein the nut body comprises a hexagonal upper nut section and a cylindrical lower nut section, the centers of the upper nut section and the lower nut section are penetrated with first through holes with internal threads, a plurality of first cutting grooves are formed in the lower nut section along the circumference, a plurality of second grooves are formed in the inner wall of the first through holes in the upper nut section, gravel is filled in the second grooves, and the plugging sleeve is inserted into the first through holes and plugs the gravel in the second grooves.
Preferably, the inner wall of the first through hole at the upper section of the nut is also provided with a plurality of first grooves, glue solution is filled in the first grooves, the openings of the first grooves are sealed by a first plastic film, the plugging sleeve comprises an annular cylinder wall and a sealing plate positioned at the bottom end of the annular cylinder wall, the outer wall of the annular cylinder wall is provided with a rough convex particle part, the position of the rough convex particle part is higher than that of the first grooves, and one end, far away from the sealing plate, of the annular cylinder wall is provided with a plurality of second cutting grooves extending towards the center.
Preferably, the position of the first groove is higher than that of the second groove, a second through hole is further formed between the first groove and the second groove, a second plastic film is arranged in the second through hole, a third through hole which is communicated with the first through hole and the second through hole is formed in the upper section of the nut, and a plurality of outwards extending side wings are arranged on the side face of the annular cylinder wall.
Preferably, a guide part is arranged at one end of the annular cylinder wall, which is far away from the sealing plate.
Preferably, the bottom surface of the first groove is provided with a first inclined surface, and the height of the first groove is gradually increased from outside to inside.
Preferably, the bottom surface of the second groove is provided with a second inclined surface, and the height of the first groove is gradually increased from outside to inside.
Preferably, the second plastic film is obliquely arranged in the second through hole, and the position of one end of the second plastic film close to the inner side is lower than the position of one end close to the outer side.
Preferably, the inner side of the side wing is provided with a notch.
The invention has the beneficial effects that: according to the invention, the second groove filled with gravel is arranged in the nut body, the plugging sleeve is utilized for temporary plugging until the bolt is screwed in and then the plugging sleeve is propped up and removed, so that fine gravel is filled in a gap between the nut body and the bolt, the bolt is blocked, and loosening is prevented; the first groove filled with the glue solution is arranged in the nut body, and the rough convex particle part and the side wings on the plugging sleeve are utilized to respectively puncture the first plastic film and the second plastic film, so that the glue solution directly enters the gaps between the nut body and the bolt or is mixed with gravel, loosening between the nut and the bolt is further prevented, and the effects of looseness prevention and theft prevention are realized; through set up the incision on the flank, avoid the flank card to die in the third through-hole, influence the decline of shutoff cover.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of an outdoor anti-theft and anti-loosening slotted nut of the present invention;
FIG. 2 is a bottom view of an outdoor anti-theft and anti-loosening slotted nut of the present invention;
FIG. 3 is a front cross-sectional view of a portion of the construction of an outdoor anti-theft and anti-loosening slotted nut of the present invention;
fig. 4 is a front view of a plugging sleeve of the anti-theft and anti-loose slotted nut for outdoor use.
In the figure: the nut comprises a 1-nut body, a 11-nut upper section, a 111-first groove, a 1111-first inclined plane, a 112-second groove, a 1121-second inclined plane, a 113-second through hole, a 114-second plastic film, a 115-first plastic film, a 116-glue solution, 117-gravel, a 118-third through hole, a 12-nut lower section, a 121-first cutting groove, a 13-first through hole, a 2-plugging sleeve, a 21-annular cylinder wall, a 211-second cutting groove, a 212-flank, a 2121-cutting groove, a 213-rough boss, a 214-guiding part and a 22-sealing plate.
Detailed Description
Referring to fig. 1 to 4, the outdoor anti-theft anti-loose slotted nut comprises a nut body 1 and a plugging sleeve 2, wherein the nut body 1 comprises a hexagonal upper nut section 11 and a cylindrical lower nut section 12, a first through hole 13 with internal threads is arranged in the centers of the upper nut section 11 and the lower nut section 12 in a penetrating manner, a plurality of first cutting grooves 121 are arranged on the lower nut section 12 along the circumference, a plurality of second grooves 112 are arranged on the inner wall of the first through hole 13 of the upper nut section 11, gravel 117 is filled in the second grooves 112, the plugging sleeve 2 is inserted into the first through hole 13 and plugs the gravel 117 in the second grooves 112, a plurality of first grooves 111 are also arranged on the inner wall of the first through hole 13 of the upper nut section 11, glue solution 116 is filled in the first grooves 111, the openings of the first grooves 111 are sealed by first glue films 115, the plugging sleeve 2 comprises an annular cylinder wall 21 and a sealing plate 22 positioned at the bottom end of the annular cylinder wall 21, a rough convex particle part 213 is arranged on the outer wall of the annular cylinder wall 21, the position of the rough convex particle part 213 is higher than that of the first groove 111, a plurality of second cutting grooves 211 extending towards the center are arranged at one end of the annular cylinder wall 21 far away from the sealing plate 22, the position of the first groove 111 is higher than that of the second groove 112, a second through hole 113 is further arranged between the first groove 111 and the second groove 112, a second plastic film 114 is arranged in the second through hole 113, a third through hole 118 which is communicated with the first through hole 13 and the second through hole 113 is arranged in the upper nut section 11, a plurality of outwards extending side wings 212 are arranged at the side surface of the annular cylinder wall 21, a guide part 214 is arranged at one end of the annular cylinder wall 21 far away from the sealing plate 22, the bottom surface of the first groove 111 is provided with a first inclined surface 1111 and gradually increases the height of the first groove 111 from outside to inside, the bottom surface of the second groove 112 is provided with a second inclined surface 1121 and gradually increases the height of the first groove 111 from outside to inside, the second plastic film 114 is obliquely arranged in the second through hole 113, the position of one end of the second plastic film 114 close to the inner side is lower than the position of one end close to the outer side, and the inner side of the side wing 212 is provided with a notch 2121.
The working process of the invention comprises the following steps:
during installation, the left side and the right side of the annular cylinder wall 21 are pressed to enable the annular cylinder wall 21 to be extruded and deformed towards the center along the second cutting groove 211, and then the plugging sleeve 2 is placed into the first through hole 13 of the nut body 1 from bottom to top, so that the first plastic mold 115 is prevented from being damaged by the rough convex particle part 213.
When in use, the bolt is screwed into the first through hole 13 from top to bottom, and the plugging sleeve 2 is gradually pushed away from the nut body 1 downwards along with the screwing of the bolt. When the rough protrusion 213 passes through the first plastic film 115, the rough protrusion 213 breaks the first plastic film 115, so that the glue solution 116 sealed in the first groove 111 flows into the gap between the nut body 1 and the bolt. As the plugging sleeve 2 continues to descend, the side wings 212 extend into the second through holes 113 along the third through holes 118, puncture the second plastic film 114, and enable part of the glue solution 116 to flow into the second grooves 112 along the second through holes 113 to be mixed with the gravel 117. After the plugging sleeve 2 leaves the nut body, gravel 117 mixed with glue solution 116 is filled in the gap between the nut body 1 and the bolt to lock the bolt, so that the effects of looseness prevention and theft prevention are realized.
According to the invention, the second groove filled with gravel is arranged in the nut body, the plugging sleeve is utilized for temporary plugging until the bolt is screwed in and then the plugging sleeve is propped up and removed, so that fine gravel is filled in a gap between the nut body and the bolt, the bolt is blocked, and loosening is prevented; the first groove filled with the glue solution is arranged in the nut body, and the rough convex particle part and the side wings on the plugging sleeve are utilized to respectively puncture the first plastic film and the second plastic film, so that the glue solution directly enters the gaps between the nut body and the bolt or is mixed with gravel, loosening between the nut and the bolt is further prevented, and the effects of looseness prevention and theft prevention are realized; through set up the incision on the flank, avoid the flank card to die in the third through-hole, influence the decline of shutoff cover.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (4)
1. An outdoor anti-theft anti-loose slotted nut is characterized in that: the sealing device comprises a nut body (1) and a sealing sleeve (2), wherein the nut body (1) comprises a hexagonal upper nut section (11) and a cylindrical lower nut section (12), a first through hole (13) with internal threads is formed in the middle of the upper nut section (11) and the lower nut section (12) in a penetrating mode, a plurality of first grooves (121) are formed in the lower nut section (12) along the circumference, a plurality of second grooves (112) are formed in the inner wall of the first through hole (13) of the upper nut section (11), gravel (117) are filled in the second grooves (112), the sealing sleeve (2) is inserted into the first through hole (13) and plugs the gravel (117) in the second grooves (112), a plurality of first grooves (111) are formed in the inner wall of the first through hole (13) of the upper nut section (11), glue solutions (116) are filled in the first grooves (111), openings of the first grooves (111) are sealed by the first grooves (115), the sealing sleeve (21) comprises annular grooves (21) and coarse grain-shaped protruding cylinder walls (21) are arranged at the positions of the outer walls (21) of the annular cylinder walls (21), the one end of keeping away from shrouding (22) on annular section of thick bamboo wall (21) is equipped with a plurality of second grooving (211) that extend to the center, the position of first recess (111) is higher than the position of second recess (112), still be equipped with second through-hole (113) between first recess (111) and second recess (112), be equipped with second plastic film (114) in second through-hole (113), be equipped with third through-hole (118) of intercommunication first through-hole (13) and second through-hole (113) in nut upper segment (11), the side of annular section of thick bamboo wall (21) is equipped with a plurality of flank (212) that outwards stretch out, be equipped with guide (214) on the one end of keeping away from shrouding (22) on annular section of thick bamboo wall (21), the bottom surface of first recess (111) is equipped with first inclined plane (1111) and makes the height of first recess (111) increase from outside to inside gradually.
2. The outdoor anti-theft and anti-loosening slotted nut as defined in claim 1, wherein: the bottom surface of the second groove (112) is provided with a second inclined surface (1121) and the height of the first groove (111) is gradually increased from outside to inside.
3. The outdoor anti-theft and anti-loosening slotted nut as defined in claim 1, wherein: the second plastic film (114) is obliquely arranged in the second through hole (113), and the position of one end, close to the inner side, of the second plastic film (114) is lower than the position of one end, close to the outer side.
4. The outdoor anti-theft and anti-loosening slotted nut as defined in claim 1, wherein: the inner side of the flank (212) is provided with a notch (2121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910805663.3A CN110388366B (en) | 2019-08-29 | 2019-08-29 | Outdoor anti-theft and anti-loose slotted nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910805663.3A CN110388366B (en) | 2019-08-29 | 2019-08-29 | Outdoor anti-theft and anti-loose slotted nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110388366A CN110388366A (en) | 2019-10-29 |
| CN110388366B true CN110388366B (en) | 2024-04-02 |
Family
ID=68289531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910805663.3A Active CN110388366B (en) | 2019-08-29 | 2019-08-29 | Outdoor anti-theft and anti-loose slotted nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110388366B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2946249A1 (en) * | 1979-09-26 | 1981-04-09 | Wolkersdorf Industrietechnik Josef Haid | Nut locking system using adhesive - has radial or tangential bore to tapped hole through nut wall |
| DE4227273A1 (en) * | 1992-08-18 | 1994-02-24 | Boellhoff & Co | Use of plastics threaded sleeve or dowel - involves element with melting point equal to that of component. |
| GB9519384D0 (en) * | 1995-09-22 | 1995-11-22 | Johnston Richard I | Improvements in or relating to nuts |
| US5888334A (en) * | 1994-04-22 | 1999-03-30 | Abraham; Frederic C. | Method of indicating the location and depth of an anchor in a hole in a substrate, and drilling through fill material to the anchor |
| TW406689U (en) * | 1998-12-29 | 2000-09-21 | Shing Sheng Hardware Factory C | Quick suspension nut used for metal ceiling |
| JP2001099120A (en) * | 1999-09-27 | 2001-04-10 | Masato Nakawa | Bolt and fastening body with lock nut fastened on the bolt |
| KR20090011397U (en) * | 2008-05-06 | 2009-11-11 | 전영근 | Hydraulic Nut |
| CN201636186U (en) * | 2009-12-17 | 2010-11-17 | 李�远 | Improved retained locknut |
| US8556558B1 (en) * | 2006-07-31 | 2013-10-15 | Christopher M. Hunt | Fastener for cementitious materials |
| CN204664116U (en) * | 2015-03-26 | 2015-09-23 | 海盐县华昇汽车配件有限公司 | A kind of hexagon slotted nut |
| WO2016126462A1 (en) * | 2015-02-03 | 2016-08-11 | Illinois Tool Works Inc. | Compensation nut |
| CN210440382U (en) * | 2019-08-29 | 2020-05-01 | 海盐盛信标准件有限公司 | Outdoor anti-theft and anti-loosening slotted nut |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410552C (en) * | 2004-06-10 | 2008-08-13 | 日本电信电话株式会社 | Screw |
-
2019
- 2019-08-29 CN CN201910805663.3A patent/CN110388366B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2946249A1 (en) * | 1979-09-26 | 1981-04-09 | Wolkersdorf Industrietechnik Josef Haid | Nut locking system using adhesive - has radial or tangential bore to tapped hole through nut wall |
| DE4227273A1 (en) * | 1992-08-18 | 1994-02-24 | Boellhoff & Co | Use of plastics threaded sleeve or dowel - involves element with melting point equal to that of component. |
| US5888334A (en) * | 1994-04-22 | 1999-03-30 | Abraham; Frederic C. | Method of indicating the location and depth of an anchor in a hole in a substrate, and drilling through fill material to the anchor |
| GB9519384D0 (en) * | 1995-09-22 | 1995-11-22 | Johnston Richard I | Improvements in or relating to nuts |
| TW406689U (en) * | 1998-12-29 | 2000-09-21 | Shing Sheng Hardware Factory C | Quick suspension nut used for metal ceiling |
| JP2001099120A (en) * | 1999-09-27 | 2001-04-10 | Masato Nakawa | Bolt and fastening body with lock nut fastened on the bolt |
| US8556558B1 (en) * | 2006-07-31 | 2013-10-15 | Christopher M. Hunt | Fastener for cementitious materials |
| KR20090011397U (en) * | 2008-05-06 | 2009-11-11 | 전영근 | Hydraulic Nut |
| CN201636186U (en) * | 2009-12-17 | 2010-11-17 | 李�远 | Improved retained locknut |
| WO2016126462A1 (en) * | 2015-02-03 | 2016-08-11 | Illinois Tool Works Inc. | Compensation nut |
| CN204664116U (en) * | 2015-03-26 | 2015-09-23 | 海盐县华昇汽车配件有限公司 | A kind of hexagon slotted nut |
| CN210440382U (en) * | 2019-08-29 | 2020-05-01 | 海盐盛信标准件有限公司 | Outdoor anti-theft and anti-loosening slotted nut |
Non-Patent Citations (1)
| Title |
|---|
| 组合式防松(防盗)螺母的研制及应用;曹国文等;《内蒙古电力技术》;第35卷(第02期);第60-62页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110388366A (en) | 2019-10-29 |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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Address after: 314300 Yucheng North Bridge, Yucheng Town, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Haiyan Shengxin Standard Parts Co.,Ltd. Country or region after: Zhong Guo Address before: 314300 Yucheng North Bridge, Yucheng Town, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: Haiyan Shengxin Standard Parts Co.,Ltd. Country or region before: Zhong Guo |