CN114750302A - Based on architectural decoration engineering is with positioning equipment that punches - Google Patents
Based on architectural decoration engineering is with positioning equipment that punches Download PDFInfo
- Publication number
- CN114750302A CN114750302A CN202210484205.6A CN202210484205A CN114750302A CN 114750302 A CN114750302 A CN 114750302A CN 202210484205 A CN202210484205 A CN 202210484205A CN 114750302 A CN114750302 A CN 114750302A
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- China
- Prior art keywords
- connecting rod
- bolt
- positioning
- rod
- main connecting
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides a punching and positioning device for building decoration engineering, which relates to the technical field of building decoration and comprises: a main connecting rod; one end inside the main connecting rod is connected with an expansion bolt, the front side of the main connecting rod is respectively connected with a limiting bolt and a positioning bolt, and the limiting bolt is in contact with the expansion bolt; the rear side of the main connecting rod is connected with the parallel connecting rod A, and the front side of the main connecting rod is connected with the parallel connecting rod B. The positioning rod can be moved and adjusted according to different distances between the two holes, and the distance between the expansion bolt and the positioning hole is changed, so that the distance between the two holes is limited, the distance between the two holes is within a specified error value, and the accuracy of the distance between the two holes is guaranteed. The problem of traditional positioning equipment that punches in the use, its adjusting part takes place not hard up displacement easily, is difficult for being perceived by personnel, very easily leads to the error to surpass the specified value between the interval between two adjacent apertures is solved.
Description
Technical Field
The invention relates to the technical field of architectural decoration, in particular to punching positioning equipment for architectural decoration engineering.
Background
Fitment indicates in certain area and within range, to including water and electricity construction, wall body, floor, ceiling, view etc. realize, according to a whole set of construction scheme and the design that certain design theory and pleasing to the eye rule formed, when panel is laid to the wall body and is decorated, need punch the operation to the wall body, the panel installation of being convenient for is fixed, and it is supplementary to punch to need to use the positioning device that punches usually to the guarantee position of punching's accuracy nature.
However, the conventional punching positioning device has poor stability in the use process, the adjusting part of the conventional punching positioning device is easy to loosen and displace, the adjusting part is not easy to be perceived by personnel, the error between the two adjacent apertures is easily caused to exceed a specified value, the apertures are discarded, and additional apertures are required to be formed, so that the engineering progress is influenced.
Disclosure of Invention
In view of the above, the invention provides a punching positioning device for building decoration engineering, which can insert an expansion bolt into an opening after the first opening is completed, rotate a screw rod outwards, and open two supporting blocks through the supporting blocks, so that the friction coefficient between the expansion bolt and the wall of the hole is increased, the effect of fixing the expansion bolt is achieved, and the stability of the state of a main connecting rod is ensured; and according to the difference of the distance between the two holes, the positioning rod is moved and adjusted, the distance between the expansion bolt and the positioning hole is changed, so that the distance between the two holes is limited, the distance between the two holes is within a specified error value, and the accuracy of the distance between the two holes is guaranteed.
The invention provides a punching and positioning device for building decoration engineering, which specifically comprises: a main connecting rod; one end in the main connecting rod is connected with an expansion bolt, the front side of the main connecting rod is respectively connected with a limiting bolt and a positioning bolt, and the limiting bolt is in contact with the expansion bolt; the rear side of the main connecting rod is connected with the parallel connecting rod A, the front side of the main connecting rod is connected with the parallel connecting rod B, the other end of the parallel connecting rod A is connected with the rear side of the positioning rod, and the other end of the parallel connecting rod B is connected with the front side of the positioning rod; the main connecting rod is parallel to the positioning rod, and the parallel connecting rod A is parallel to the parallel connecting rod B; one end of the parallel connecting rod A is in contact with the positioning bolt.
Optionally, a connecting hole is formed in the main connecting rod, an expansion bolt is connected in the connecting hole, the expansion bolt is composed of a bolt block, supporting blocks, a screw rod and a rubber band ring, the bolt block is rotatably connected with the two supporting blocks, a screw hole C is formed in the inner portion of the bolt block, the screw rod is connected in the screw hole C in a threaded mode, an inverted cone block is arranged at one end of the screw rod, and the inverted cone block is in contact with the inner sides of the two supporting blocks respectively.
Optionally, two assembling grooves are formed in the supporting blocks, and the rubber band ring is connected to the two assembling grooves in the supporting blocks respectively.
Optionally, the inner side of the connecting hole is provided with four L-shaped clamping grooves in a surrounding manner, the outer portion of the bolt block is provided with four clamping blocks in a surrounding manner, and the clamping blocks are slidably clamped in the L-shaped clamping grooves.
Optionally, a screw hole a is formed in the main connecting rod, a limit bolt is screwed in the screw hole a, one end of the bolt block is of a hexagonal structure, and the limit bolt is in contact with the hexagonal structure of the bolt block.
Optionally, one end of the parallel connecting rod a is rotatably connected with the main connecting rod, the other end of the parallel connecting rod a is rotatably connected with the positioning rod, one end of the parallel connecting rod B is rotatably connected with the main connecting rod, and the other end of the parallel connecting rod B is rotatably connected with the positioning rod.
Optionally, a screw hole B is formed in the main connecting rod, a positioning bolt is screwed in the screw hole B, an indexing ring is arranged at one end of the parallel connecting rod a, the indexing ring is in sliding contact with the rear side of the main connecting rod, and the inner end of the positioning bolt is in contact with the indexing ring.
Optionally, an indication block is arranged on the outer side of the main connecting rod, scales are arranged on the periphery of the front side of the indexing ring, and the indication block points to the scales on the periphery of the indexing ring.
Optionally, locating holes with different sizes are formed in the inner side of the locating rod in an equidistant arrangement mode, and bearings with the same specification and model are installed in the locating holes.
Advantageous effects
According to the punching positioning equipment for the architectural decoration engineering, compared with the traditional punching positioning equipment, after the first hole is formed, the expansion bolt is inserted into the hole, the screw rod is rotated outwards, the two support blocks are supported by the support blocks, the friction coefficient between the expansion bolt and the hole wall is increased, the effect of fixing the expansion bolt is achieved, and the stability of the state of the main connecting rod is guaranteed; and according to the difference of the distance between the two holes, the positioning rod is moved and adjusted, the distance between the expansion bolt and the positioning hole is changed, so that the distance between the two holes is limited, the distance between the two holes is within a specified error value, and the accuracy of the distance between the two holes is guaranteed.
In addition, the expansion bolt and the main connecting rod are connected in a clamping mode through the bolt block, so that the expansion bolt is more convenient to disassemble and assemble, the specification of the expansion bolt can be conveniently changed according to the diameter of the opening, and the requirement for positioning and punching in different apertures can be better met; and the setting of cooperation spacing bolt, after expansion bolts and main connecting rod joint finished, link to each other spacing bolt and main connecting rod, carry on spacingly through spacing bolt to expansion bolts, prevent expansion bolts antiport, guarantee expansion bolts and the fastness of main connecting rod being connected.
In addition, through the arrangement of the indexing ring and the positioning bolt, after the movement adjustment of the rod to be positioned is finished, the positioning bolt is rotated, the inner end of the positioning bolt is connected with the indexing ring, and the parallel connecting rod A is fixed through the positioning bolt, so that the positioning rod is fixed through the parallel connecting rod A, and the stability of the state of the positioning rod is guaranteed; after the positioning rod position fixing is finished, the scales pointed by the indicating blocks are memorized, and even when the positioning rod position deviates, scale errors are found through the indicating blocks, so that a worker can timely reset and fix the positioning rod, and the accuracy of the distance between two holes is further guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to only some embodiments of the invention and are not intended to limit the invention.
In the drawings:
FIG. 1 shows a schematic diagram of an axial side structure according to an embodiment of the invention;
FIG. 2 is a schematic view showing a shaft side structure in a rotation regulation state according to an embodiment of the present invention;
FIG. 3 illustrates a schematic structural view of a main link detached from an expansion bolt in accordance with an embodiment of the present invention;
FIG. 4 illustrates a schematic diagram of a master link shaft side configuration in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view showing an axial side structure of an expansion bolt according to an embodiment of the present invention in a closed state;
FIG. 6 is a schematic view showing an axial side structure of an expansion bolt in an expanded state according to an embodiment of the present invention;
FIG. 7 shows a schematic view of an expansion bolt split configuration according to an embodiment of the invention;
FIG. 8 shows a schematic view of a parallel link A-axis side configuration in accordance with an embodiment of the present invention;
fig. 9 shows a schematic view of a split structure of a positioning rod and a bearing according to an embodiment of the invention.
List of reference numerals
1. A main link; 101. connecting holes; 1011. an L-shaped clamping groove; 102. an indication block; 103. a screw hole A; 104. a screw hole B; 2. an expansion bolt; 201. a bolt block; 2011. a screw hole C; 2012. a clamping block; 202. a support block; 2021. assembling a groove; 203. a screw; 2031. a reverse taper block; 204. a leather band; 3. a limit bolt; 4. a parallel connecting rod A; 401. a graduated ring; 5. positioning the bolt; 6. a parallel connecting rod B; 7. positioning a rod; 701. positioning holes; 8. and a bearing.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
The embodiment is as follows:
please refer to fig. 1 to fig. 9:
the invention provides a punching and positioning device for building decoration engineering, which comprises: a main link 1; one end in the main connecting rod 1 is connected with an expansion bolt 2, the front side of the main connecting rod 1 is respectively connected with a limiting bolt 3 and a positioning bolt 5, and the limiting bolt 3 is contacted with the expansion bolt 2; the rear side of the main connecting rod 1 is connected with a parallel connecting rod A4, the front side of the main connecting rod 1 is connected with a parallel connecting rod B6, the other end of the parallel connecting rod A4 is connected with the rear side of the positioning rod 7, and the other end of the parallel connecting rod B6 is connected with the front side of the positioning rod 7; the main connecting rod 1 is parallel to the positioning rod 7, and the parallel connecting rod A4 is parallel to the parallel connecting rod B6; one end of a parallel connecting rod A4 is rotatably connected with a main connecting rod 1, the other end of the parallel connecting rod A4 is rotatably connected with a positioning rod 7, one end of a parallel connecting rod B6 is rotatably connected with the main connecting rod 1, the other end of the parallel connecting rod B6 is rotatably connected with the positioning rod 7, the positioning rod 7 can be moved and adjusted according to the difference of the distance between the two holes, the distance between an expansion bolt 2 and a positioning hole 701 is changed, the distance between the two holes is limited, the distance between the two holes is within a specified error value, and the accuracy of the distance between the two holes is guaranteed; one end of the parallel connecting rod A4 is contacted with the positioning bolt 5; locating lever 7 inboard is equidistance range form and sets up locating hole 701 not of uniform size, installs the bearing 8 of the same specification model in the locating hole 701, when satisfying different apertures location and punch required, leads to the drill bit of inserting in locating hole 701 through bearing 8, ensures the verticality of drill bit and wall, prevents the emergence of the crooked situation of trompil to reduce drill bit and equipment self coefficient of friction through bearing 8, extension equipment life.
In addition, according to the embodiment of the present invention, a connecting hole 101 is formed in the main connecting rod 1, the expansion bolt 2 is connected in the connecting hole 101, the expansion bolt 2 is composed of a bolt block 201, support blocks 202, a screw rod 203 and a rubber band 204, the bolt block 201 is rotatably connected with the two support blocks 202, a screw hole C2011 is formed in the bolt block 201, the screw rod 203 is in threaded connection with the screw hole C2011, an inverted cone 2031 is arranged at one end of the screw rod 203, and the inverted cone 2031 is respectively in contact with the inner sides of the two support blocks 202;
by adopting the technical scheme, after the first hole is opened, the expansion bolt 2 is inserted into the opening, the screw rod 203 is rotated outwards, the two support blocks 202 are supported by the support blocks 202, the friction coefficient between the expansion bolt 2 and the hole wall is increased, the effect of fixing the expansion bolt 2 is achieved, and the stability of the state of the main connecting rod 1 is guaranteed.
In addition, according to the embodiment of the present invention, two assembling grooves 2021 are formed inside the supporting blocks 202, and the rubber band 204 is respectively connected to the assembling grooves 2021 inside the two supporting blocks 202;
by adopting the technical scheme, when the screw 203 rotates inwards, the supporting block 202 is influenced by the tensile force of the rubber band 204 to be closed inwards, so that the supporting block 202 is separated from the hole wall, the expansion bolt 2 can be taken out of the opening and inserted into another opening, and the subsequent punching and outer positioning operation is carried out.
In addition, according to the embodiment of the present invention, four L-shaped slots 1011 are circumferentially formed on the inner side of the connecting hole 101, four fastening blocks 2012 are circumferentially formed on the outer side of the bolt block 201, and the fastening blocks 2012 are slidably fastened in the L-shaped slots 1011;
adopt above-mentioned technical scheme, the mode through the joint makes 2 dismouting of expansion bolts more simple and convenient with expansion bolts 2 and main connecting rod 1 together to according to trompil diameter size, change 2 specifications of expansion bolts, better satisfy in different apertures location use needs of punching.
In addition, according to the embodiment of the invention, the screw hole A103 is formed in the main connecting rod 1, the limit bolt 3 is screwed into the screw hole A103, one end of the bolt block 201 is in a hexagonal structure, and the limit bolt 3 is in contact with the hexagonal structure of the bolt block 201;
adopt above-mentioned technical scheme, treat that expansion bolts 2 and main connecting rod 1 joint finish the back, link to each other spacing bolt 3 with main connecting rod 1, carry on spacingly through spacing bolt 3 to expansion bolts 2, prevent 2 antiport of expansion bolts, ensure the fastness that expansion bolts 2 and main connecting rod 1 are connected.
In addition, according to the embodiment of the invention, a screw hole B104 is formed in the main connecting rod 1, the positioning bolt 5 is in threaded connection with the screw hole B104, an indexing ring 401 is arranged at one end of the parallel connecting rod A4, the indexing ring 401 is in sliding contact with the rear side of the main connecting rod 1, and the inner end of the positioning bolt 5 is in contact with the indexing ring 401;
By adopting the technical scheme, after the movement and adjustment of the positioning rod 7 are finished, the positioning bolt 5 is rotated, the inner end of the positioning bolt 5 is connected with the indexing ring 401, and the positioning bolt 5 is used for fixing the parallel connecting rod A4, so that the positioning rod 7 is fixed through the parallel connecting rod A4, and the stability of the state of the positioning rod 7 is guaranteed.
In addition, according to the embodiment of the invention, the outer side of the main connecting rod 1 is provided with the indicating block 102, the periphery of the front side of the indexing ring 401 is provided with scales, and the indicating block 102 points to the periphery scales of the indexing ring 401;
adopt above-mentioned technical scheme, can accomplish the back at locating lever 7 rigidity, remember the scale that instructs piece 102 to point, even when locating lever 7 position takes place the skew, discover the scale error through instructing piece 102 to the staff in time resets locating lever 7 fixedly, further ensures the precision of two hole intervals.
The specific use mode and function of the embodiment are as follows: when the expansion bolt connecting device is used, the specification of the expansion bolt 2 is changed according to the diameter of the opening, and the expansion bolt 2 and the main connecting rod 1 are connected in a clamping mode; after the first hole is opened, the expansion bolt 2 is inserted into the opening, the screw 203 is rotated outwards, the two supporting blocks 202 are spread by the supporting blocks 202, the friction coefficient between the expansion bolt 2 and the hole wall is increased, the effect of fixing the expansion bolt 2 is achieved, and the stability of the state of the main connecting rod 1 is guaranteed; next, the positioning rod 7 is moved and adjusted according to the difference of the distance between the two holes, and the distance between the expansion bolt 2 and the positioning hole 701 is changed, so that the distance between the two holes is limited, the distance between the two holes is within a specified error value, and the accuracy of the distance between the two holes is guaranteed; after the positioning rod 7 is moved and adjusted, the positioning bolt 5 is rotated, the inner end of the positioning bolt 5 is connected with the indexing ring 401, and the positioning bolt 5 is used for fixing the parallel connecting rod A4, so that the positioning rod 7 is fixed through the parallel connecting rod A4, and the stability of the state of the positioning rod 7 is guaranteed; after the positioning rod 7 is fixed, the scales pointed by the indicating block 102 are memorized, namely the drill bit can be inserted into the bearing 8 in the corresponding positioning hole 701, and the drill bit inserted into the positioning hole 701 is guided by the bearing 8, so that the verticality of the drill bit and the wall surface is guaranteed, and the situation that the opening is inclined is prevented; after the hole is opened, the screw rod 203 is rotated inwards, the supporting block 202 is closed inwards under the influence of the tensile force of the rubber band 204, so that the supporting block 202 is separated from the hole wall, the expansion bolt 2 can be taken out of the opened hole and inserted into another opened hole, and the subsequent hole-punching and external-fixing operation is carried out; when locating lever 7 position took place the skew, found the scale error through instructing block 102 to the staff in time resets locating lever 7 fixedly, further ensures the precision of two hole intervals.
Finally, it should be noted that, when describing the positions of the components and the matching relationship between the components, the invention will be generally exemplified by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other components/other pairs of components.
The above description is intended to be illustrative of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.
Claims (9)
1. The utility model provides a based on architectural decoration engineering is with positioning device that punches which characterized in that includes: a main link (1); one end in the main connecting rod (1) is connected with an expansion bolt (2), the front side of the main connecting rod (1) is respectively connected with a limiting bolt (3) and a positioning bolt (5), and the limiting bolt (3) is in contact with the expansion bolt (2); the rear side of the main connecting rod (1) is connected with the parallel connecting rod A (4), the front side of the main connecting rod (1) is connected with the parallel connecting rod B (6), the other end of the parallel connecting rod A (4) is connected with the rear side of the positioning rod (7), and the other end of the parallel connecting rod B (6) is connected with the front side of the positioning rod (7); the main connecting rod (1) is parallel to the positioning rod (7), and the parallel connecting rod A (4) is parallel to the parallel connecting rod B (6); one end of the parallel connecting rod A (4) is in contact with the positioning bolt (5).
2. The punching and positioning device for the engineering based on the architectural decoration according to claim 1, characterized in that: the utility model discloses a bearing support for the automobile engine, including main connecting rod (1), expansion bolt (2), bolt piece (201), bracer (202), screw rod (203) and rubber band circle (204), expansion bolt (2) are connected in linking hole (101), expansion bolt (2) are by bolt piece (201), bracer (202), screw rod (203) and rubber band circle (204) constitute, bolt piece (201) are rotated with two bracers (202) and are connected, screw C (2011) have been seted up to bolt piece (201) inside, screw rod (203) threaded connection is in screw C (2011), screw rod (203) one end is equipped with back taper piece (2031), back taper piece (2031) contacts with two bracers (202) inboard respectively.
3. The punching and positioning device for the engineering based on architectural decoration according to claim 2, characterized in that: two assembling grooves (2021) are formed in the supporting blocks (202), and the rubber band ring (204) is connected in the assembling grooves (2021) in the two supporting blocks (202) respectively.
4. The punching and positioning device for the engineering based on architectural decoration according to claim 2, characterized in that: four L-shaped clamping grooves (1011) are formed in the inner side of the connecting hole (101) in a surrounding mode, four clamping blocks (2012) are arranged on the outer portion of the bolt block (201) in a surrounding mode, and the clamping blocks (2012) are clamped in the L-shaped clamping grooves (1011) in a sliding mode.
5. The punching and positioning device for the engineering based on architectural decoration according to claim 2, characterized in that: screw A (103) has been seted up to master link (1) inside, and in screw A (103) threaded connection, stop bolt (3), bolt piece (201) one end is the hexagon structure, and stop bolt (3) contact with the hexagon structure of bolt piece (201).
6. The punching and positioning device for the engineering based on the architectural decoration according to claim 1, characterized in that: one end of the parallel connecting rod A (4) is rotatably connected with the main connecting rod (1), the other end of the parallel connecting rod A (4) is rotatably connected with the positioning rod (7), one end of the parallel connecting rod B (6) is rotatably connected with the main connecting rod (1), and the other end of the parallel connecting rod B (6) is rotatably connected with the positioning rod (7).
7. The punching and positioning device for the building decoration engineering based on the claim 1 is characterized in that: screw hole B (104) has been seted up to master connecting rod (1) inside, and positioning bolt (5) threaded connection is in screw hole B (104), and parallel connecting rod A (4) one end is equipped with dividing ring (401), and sliding contact behind dividing ring (401) and master connecting rod (1), and positioning bolt (5) inner contacts with dividing ring (401).
8. The punching and positioning device for the engineering based on architectural decoration according to claim 7, characterized in that: the outer side of the main connecting rod (1) is provided with an indicating block (102), the periphery of the front side of the indexing ring (401) is provided with scales, and the indicating block (102) points to the periphery of the indexing ring (401).
9. The punching and positioning device for the engineering based on the architectural decoration according to claim 1, characterized in that: locating lever (7) inboard is equidistance and arranges the form and offer locating hole (701) not of uniform size, installs bearing (8) of the same specification model in locating hole (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210484205.6A CN114750302A (en) | 2022-05-06 | 2022-05-06 | Based on architectural decoration engineering is with positioning equipment that punches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210484205.6A CN114750302A (en) | 2022-05-06 | 2022-05-06 | Based on architectural decoration engineering is with positioning equipment that punches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114750302A true CN114750302A (en) | 2022-07-15 |
Family
ID=82332367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210484205.6A Withdrawn CN114750302A (en) | 2022-05-06 | 2022-05-06 | Based on architectural decoration engineering is with positioning equipment that punches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114750302A (en) |
-
2022
- 2022-05-06 CN CN202210484205.6A patent/CN114750302A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220715 |