CN212494832U - Crashproof roof beam cut-out press before car - Google Patents
Crashproof roof beam cut-out press before car Download PDFInfo
- Publication number
- CN212494832U CN212494832U CN201922198110.4U CN201922198110U CN212494832U CN 212494832 U CN212494832 U CN 212494832U CN 201922198110 U CN201922198110 U CN 201922198110U CN 212494832 U CN212494832 U CN 212494832U
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- block
- hole
- positioning
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- lower die
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- 238000004080 punching Methods 0.000 claims abstract description 43
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 27
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model discloses an automobile front anti-collision beam punching die, which comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die plate, an auxiliary block, a guide block and a pressing block which are sequentially arranged from top to bottom, the upper die plate, the auxiliary block and the guide block are fixedly connected through bolts, the pressing block is arranged on the auxiliary block through a plurality of equal-height screws, springs are sleeved outside the equal-height screws, the springs are limited between the auxiliary block and the pressing block, through holes are formed in the guide block and the pressing block, a punching die head is arranged at the bottom of the auxiliary block through bolt fixation, and the punching die head is arranged in the through holes; the lower die assembly comprises a lower die plate, a lower die fixedly arranged on the lower die plate through bolts, and stop blocks arranged on the left side and the right side of the lower die through bolts; and residual material leaking holes are formed in the positions, corresponding to the punching die heads, of the lower die and the lower die plate. The utility model discloses can effectively fix the anticollision roof beam of taking the curved surface.
Description
Technical Field
The utility model belongs to the mould field, specificly relate to an anticollision roof beam cut-out press before car.
Background
The preceding crashproof roof beam product on the existing market, because the rolling off-plane relation of front beam, the sleeve via hole of sleeve can only be seted up on the fixed position of crashproof roof beam is drawn in the installation, can not carry out the position change, serious restriction the design space and the design scope of product, for solving this problem, this company has proposed other holes on the crashproof roof beam of punching press earlier, again the rolling crashproof roof beam becomes the curved surface, then carry out the production technology of punching press to the sleeve via hole alone again, but a problem that faces in sleeve via hole punching press process is: the fixed problem of anticollision roof beam because after the anticollision roof beam roll extrusion curved surface, is difficult for fixing, often leads to punching a hole the dislocation, some listed problems such as punching a hole precision uncontrollable, defective percentage are higher.
Therefore, the need exists to develop a punching die for an automobile front anti-collision beam, which solves the problem of fixing the anti-collision beam with a curved surface.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anticollision roof beam cut-out press before car.
A punching die for an automobile front anti-collision beam comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die plate, an auxiliary block, a guide block and a pressing block which are sequentially arranged from top to bottom, the upper die plate, the auxiliary block and the guide block are fixedly connected through bolts, the pressing block is arranged on the auxiliary block through a plurality of equal-height screws, a plurality of equal-height screw holes are formed in the upper die plate, the auxiliary block and the guide block, the equal-height screws are slidably arranged in the corresponding equal-height screw holes, springs are sleeved outside the equal-height screws, the springs are limited between the auxiliary block and the pressing block, through holes are formed in the guide block and the pressing block, a punching die head is fixedly arranged at the bottom of the auxiliary block through bolts, and the punching die head is arranged in the through holes; the lower die assembly comprises a lower die plate, a lower die fixedly arranged on the lower die plate through bolts, and stop blocks arranged on the left side and the right side of the lower die through bolts; the left stop block, the right stop block, the pressing block and the lower die are enclosed to form a cavity for accommodating the anti-collision beam, and the lower die plate are provided with residual material leaking holes at positions corresponding to the punching die heads.
Furthermore, the bottom of the pressing block is provided with a lower bulge matched with the upper groove of the anti-collision beam.
The anti-collision device is characterized by further comprising a supporting mechanism, wherein the supporting mechanism comprises a supporting rod fixedly arranged on the lower template through a bolt, a positioning seat is arranged at the other end of the supporting rod, a positioning hole is formed in the positioning seat, a positioning pin is inserted into the positioning hole, and the other end of the positioning pin is inserted into a side hole of the anti-collision beam.
Furthermore, the bottom of the positioning seat is fixedly provided with two side plates, the bottoms of the two side plates are fixedly provided with a bottom plate through bolts, and the support rod is arranged between the two side plates and is in sliding fit with the two side plates.
Furthermore, a first sliding hole is formed in the supporting rod, and second sliding holes are formed in the two side plates;
a positioning seat heightening mechanism is further arranged between the two side plates and arranged between the supporting rod and the bottom plate, the positioning seat heightening mechanism comprises a first positioning strip which is arranged in the first sliding hole in a sliding manner, the bottom of the first positioning strip penetrates through the first sliding hole and is fixedly provided with a second positioning strip, and two ends of the second positioning strip are respectively inserted into the corresponding second sliding holes; the bilateral symmetry at the second location strip on the bottom plate is provided with the right angled triangle fixed block, inclined plane on the fixed block is close to the one end of second location strip is high, keeps away from the one end of second location strip is low, it is provided with adjusting screw to rotate through the bearing on the second location strip, adjusting screw is last to be provided with two trapezoidal big sliders in right angle of interval adjustable, 2 big sliders set up respectively in the both sides of second location strip, and with adjusting screw passes through threaded connection, and the screw thread opposite direction of 2 big sliders, the inclined plane of big slider and the inclined plane looks adaptation on the corresponding fixed block.
Furthermore, a sliding groove is formed in the inclined surface of the fixing block, a small sliding block is arranged on the inclined surface of the large sliding block, and the small sliding block is arranged in the sliding groove and is in sliding fit with the sliding groove.
Furthermore, 2 limiting rings are fixedly arranged at two ends of the adjusting screw rod, and the 2 limiting rings are respectively arranged on the outer sides of the corresponding large sliding blocks.
Furthermore, a hexagonal nut is welded at one end, far away from the lower template, of the adjusting screw.
Furthermore, the bottom of the positioning seat is provided with an L-shaped scale seat, the transverse part of the scale seat is arranged between the positioning seat and the supporting rod, the first positioning strip is fixedly connected with the scale seat, and the vertical part of the scale seat is provided with scales to form a first scale.
Furthermore, scales are arranged on the supporting rod to form a second scale.
The utility model has the advantages that:
the utility model discloses a set up left dog and right dog and fix a position crashproof roof beam, avoid punching a hole in-process crashproof roof beam take place the side to move, influence the precision of punching a hole; the utility model discloses a set up supporting mechanism and briquetting, through inserting the locating pin of supporting mechanism into crashproof roof beam one end, compress tightly the other end of crashproof roof beam through the briquetting for both ends are all fixed a position, are realized the effective fixed of crashproof roof beam around the crashproof roof beam, and when avoiding punching a hole, the crashproof roof beam upwarps, causes the dislocation of punching a hole; the utility model discloses the briquetting sets up on the auxiliary block through equal altitude screw to set up the spring on the auxiliary block, when punching a hole, the lower arch of briquetting sets up in the upper groove of anticollision roof beam, and the briquetting compresses tightly the anticollision roof beam, avoids its removal, when the die head that punches a hole pushes down, spring compression, the briquetting further compresses tightly the anticollision roof beam under spring force effect, realizes simultaneously accomplishing to punch a hole, finishes when punching a hole, the die head that punches a hole shifts up, spring resets, equal altitude screw drive briquetting shift up, the anticollision roof beam take out the mould can. The utility model discloses a set up two curb plates and realized that the positioning seat slides along the bracing piece, thereby it is adjustable to make the distance between locating pin and the mould, the utility model discloses a set up the mechanism of increaseing, and two big sliders that will increase the mechanism set up on adjusting screw through positive and negative screw respectively, when needs rise the locating pin, only need rotate adjusting screw, can make two big sliders remove to both sides simultaneously, big slider drives the fixed block and shifts up, bottom plate and positioning seat shift up simultaneously, reach the purpose that rises the locating pin, when needs reduce the locating pin height, only need the reverse rotation adjusting screw, can make two big sliders draw close to middle second location strip orientation simultaneously, big slider drive fixed block moves down, bottom plate and positioning seat move down simultaneously, reach the purpose that reduces the locating pin.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention;
fig. 2 is an exploded view of an embodiment of the present invention;
fig. 3 is a perspective view of a support mechanism according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a supporting mechanism according to an embodiment of the present invention;
fig. 5 is an exploded view of a support mechanism according to an embodiment of the present invention;
in the drawing, 1, an upper template, 2, an auxiliary block, 3, a guide block, 4, a pressing block, 5, an equal-height screw, 6, an equal-height screw hole, 7, a spring, 8, a through hole, 9, a punching die head, 10, a lower template, 11, a lower die, 12, a left stop block, 13, a right stop block, 14, a defective material leaking hole, 15, a lower bulge, 16, an anti-collision beam, 17, a support rod, 18, a positioning seat, 19, a positioning pin, 20, a side hole, 21, a limiting sleeve, 22, a limiting column, 23, a side plate, 24, a bottom plate, 25, a first slide hole, 26 and a second slide hole are arranged; 27. the device comprises a first positioning strip, 28, a second positioning strip, 29, a fixing block, 30, an adjusting screw rod, 31, a large sliding block, 32, a sliding groove, 33, a small sliding block, 34, a limiting ring, 35, a hexagon nut, 36, a scale seat, 37 and an upper groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings.
The utility model relates to an embodiment of a punching die for a front anti-collision beam of an automobile as shown in the attached drawings 1-2, which comprises an upper die assembly and a lower die 11 assembly, wherein the upper die assembly comprises an upper die plate 1, an auxiliary block 2, a guide block 3 and a pressing block 4 which are sequentially arranged from top to bottom, the upper die plate 1, the auxiliary block 2 and the guide block 3 are fixedly connected through bolts, the pressing block 4 is arranged on the auxiliary block 2 through a plurality of equal-height screws 5, a plurality of equal-height screw holes 6 are arranged on the upper die plate 1, the auxiliary block 2 and the guide block 3, the equal-height screws 5 are slidably arranged in the corresponding equal-height screw holes 6, a spring 7 is sleeved outside the equal-height screws 5, the spring 7 is arranged in the equal-height screw holes 6 on the guide block 3 and limited between the auxiliary block 2 and the pressing block 4, through holes 8 are arranged on the guide block 3 and the pressing block 4, the bottom of the auxiliary block 2 is fixedly provided with a punching die head 9 through a bolt, and the punching die head 9 is arranged in the through hole 8; the lower die 11 assembly comprises a lower die plate 10, a lower die 11 fixedly arranged on the lower die plate 10 through bolts, and stop blocks arranged on the left side and the right side of the lower die 11 through bolts; the left stop block 12, the right stop block 13, the pressing block 4 and the lower die 11 enclose to form a cavity for accommodating the anti-collision beam, and the positions of the lower die 11 and the lower die plate 10 corresponding to the punching die head 9 are provided with residual material leaking holes 14.
The bottom of the pressing block 4 is provided with a lower bulge 15 matched with the upper groove 37 of the anti-collision beam 16.
Further, still include supporting mechanism, supporting mechanism include set up in through the bolt fastening in bracing piece 17 on the lower bolster 10, the other end of bracing piece 17 is fixed and is provided with positioning seat 18, be provided with the locating hole on the positioning seat 18, it is equipped with locating pin 19 to insert in the locating hole, the other end of locating pin 19 is inserted and is located in the side opening 20 of anticollision roof beam 16. Further, after the positioning pin 19 is inserted into the side hole 20 of the impact beam 16, the positioning pin 19 is fixed on the positioning seat 18 by a bolt. The utility model positions the anti-collision beam 16 by arranging the left stop block 12 and the right stop block 13, thereby avoiding the anti-collision beam 16 from moving laterally in the punching process and influencing the punching precision; the utility model discloses a set up supporting mechanism and briquetting 4, through inserting 16 one ends of anticollision roof beams with the locating pin 19 of supporting mechanism, compress tightly the other end of anticollision roof beams 16 through briquetting 4 for both ends are all fixed a position, realize the effective fixed of anticollision roof beams 16 around the anticollision roof beams 16, when avoiding punching a hole, anticollision roof beams 16 upwarp, arouse to punch a hole the dislocation; the utility model discloses briquetting 4 sets up on supplementary piece 2 through equal altitude screw 5, and set up spring 7 on supplementary piece 2, when punching a hole, briquetting 4's lower arch 15 sets up in crashproof roof beam 16's upper groove 37, briquetting 4 compresses tightly crashproof roof beam 16, avoid its removal, when punching a hole die head 9 pushes down, spring 7 compression, briquetting 4 further compresses tightly crashproof roof beam 16 under spring 7 spring action, realize simultaneously accomplishing to punch a hole, finish when punching a hole, punch a hole die head 9 shifts up, spring 7 resets, equal altitude screw 5 drives briquetting 4 and shifts up, crashproof roof beam 16 take out the mould can.
Further, a limiting sleeve 21 is fixedly arranged on the bottom wall of the upper template 1, a limiting column 22 is fixedly arranged on the lower template 10, and the upper portion of the limiting column 22 is inserted into the limiting sleeve and is in sliding connection with the limiting sleeve.
Because in the use, different batches of anticollision roof beam 16, the quantity of side opening 20, height, position are different, consequently, often need adjust the last position and the height of locating pin 19 of supporting mechanism to make things convenient for anticollision roof beam 16's die filling, for the position and the height of convenient adjustment locating pin 19, the utility model discloses a supporting mechanism's an preferred scheme, as shown in fig. 3 ~ 5, it can be convenient, swift adjustment locating pin 19 to the distance between the mould to and locating pin 19's height.
As shown in fig. 3-5 the utility model relates to an anticollision roof beam cut-out press's before car preferred embodiment, supporting mechanism include through the bolt fastening set up in bracing piece 17 on the lower bolster 10, the other end of bracing piece 17 slides and is provided with positioning seat 18, be provided with the locating hole on the positioning seat 18, it is equipped with locating pin 19 to insert in the locating hole, locating pin 19's the other end is inserted and is located in the side opening 20 of anticollision roof beam 16. The bottom of the positioning seat 18 is fixedly provided with two side plates 23, the bottoms of the two side plates 23 are fixedly provided with a bottom plate 24 through bolts, and the support rod 17 is arranged between the two side plates 23 and is in sliding fit with the two side plates 23. In this embodiment, the bottom of the positioning seat 18 is provided with 2 side plates 23 and a bottom plate 24, which are sleeved on the supporting rod 17, so that the positioning seat 18 can slide along the supporting rod 17, and the distance between the positioning seat 18 or the positioning pin 19 and the mold can be conveniently adjusted.
Further, a first sliding hole 25 is formed in the support rod 17, and second sliding holes 26 are formed in the two side plates 23;
a positioning seat heightening mechanism is further arranged between the two side plates 23, the positioning seat heightening mechanism is arranged between the supporting rod 17 and the bottom plate 24, the positioning seat heightening mechanism comprises a first positioning strip 27 which is slidably arranged in the first sliding hole 25, the bottom of the first positioning strip 27 is fixedly provided with a second positioning strip 28 after penetrating through the first sliding hole 25, and two ends of the second positioning strip 28 are respectively inserted into the corresponding second sliding holes 26; the bilateral symmetry at second location strip 28 on bottom plate 24 is provided with right angled triangle fixed block 29, the inclined plane on the fixed block 29 is close to the one end of second location strip 28 is high, keeps away from the one end of second location strip 28 is low, it is provided with adjusting screw 30 to rotate through the bearing on the second location strip 28, be provided with two big sliders 31 of right trapezoid of interval adjustable on adjusting screw 30, 2 big sliders 31 set up respectively in the both sides of second location strip 28, and with adjusting screw 30 passes through threaded connection, and the screw thread opposite direction of 2 big sliders 31, the inclined plane of big slider 31 and the inclined plane looks adaptation on the corresponding fixed block 29.
Furthermore, a sliding groove 32 is formed in the inclined surface of the fixing block 29, a small sliding block 33 is arranged on the inclined surface of the large sliding block 31, and the small sliding block 33 is arranged in the sliding groove 32 and is in sliding fit with the sliding groove 32. The utility model discloses two big sliders 31 of mechanism of increaseing set up on adjusting screw 30 through positive and negative screw respectively, when needs rising locating pin 19, only need rotate adjusting screw 30, can make two big sliders 31 remove to both sides simultaneously, big slider 31 drives fixed block 29 and shifts up, bottom plate 24 and positioning seat 18 shift up simultaneously, reach the purpose that rises locating pin 19, when needs reduce locating pin 19 height, only need the antiport adjusting screw 30, can make two big sliders 31 draw close to middle second location strip 28 orientation simultaneously, big slider 31 drive fixed block 29 moves down, bottom plate 24 and positioning seat 18 move down simultaneously, reach the purpose that reduces locating pin 19.
Furthermore, two ends of the adjusting screw 30 are fixedly provided with 2 limiting rings 34, and the 2 limiting rings 34 are respectively arranged on the outer sides of the corresponding large sliding blocks 31.
Further, a hexagonal nut 35 is welded at one end of the adjusting screw 30 far away from the lower template 10.
Further, an L-shaped scale base 36 is arranged at the bottom of the positioning base 18, a transverse portion of the scale base 36 is arranged between the positioning base 18 and the supporting rod 17, the first positioning strip 27 is fixedly connected with the scale base 36, and a vertical portion of the scale base 36 is provided with scales to form a first scale.
Furthermore, the support rod 17 is provided with scales to form a second scale.
Claims (10)
1. The utility model provides an anticollision roof beam cut-out press before car, includes mould assembly and lower mould assembly, its characterized in that, mould assembly includes cope match-plate pattern (1), supplementary piece (2), leads positive piece (3) and briquetting (4) that set gradually from the top down, cope match-plate pattern (1), supplementary piece (2) and lead positive piece (3) and pass through bolt fixed connection, briquetting (4) set up through a plurality of equal altitude screws (5) on supplementary piece (2), cope match-plate pattern (1), supplementary piece (2), lead and be provided with a plurality of equal altitude screw holes (6) on positive piece (3), equal altitude screw (5) slide and set up in corresponding equal altitude screw hole (6), equal altitude screw (5) overcoat is equipped with spring (7), spring (7) are spacing in between supplementary piece (2) and briquetting (4), lead positive piece (3), A through hole (8) is formed in the pressing block (4), a punching die head (9) is fixedly arranged at the bottom of the auxiliary block (2) through a bolt, and the punching die head (9) is arranged in the through hole (8); the lower die assembly comprises a lower die plate (10), a lower die (11) fixedly arranged on the lower die plate (10) through bolts, and stop blocks arranged on the left side and the right side of the lower die (11) through bolts; the anti-collision device comprises a left stop block (12), a right stop block (13), a pressing block (4) and a lower die (11) which enclose a cavity for accommodating an anti-collision beam, wherein a residual material leaking hole (14) is formed in the positions, corresponding to the punching die head (9), on the lower die (11) and the lower die plate (10).
2. The punching die for the front anti-collision beam of the automobile according to claim 1, characterized in that the bottom of the pressing block (4) is provided with a lower protrusion (15) matched with the upper groove (37) of the anti-collision beam (16).
3. The automobile front anti-collision beam punching die according to claim 1, characterized by further comprising a supporting mechanism, wherein the supporting mechanism comprises a supporting rod (17) fixedly arranged on the lower template (10) through a bolt, a positioning seat (18) is arranged at the other end of the supporting rod (17), a positioning hole is arranged on the positioning seat (18), a positioning pin (19) is inserted into the positioning hole, and the other end of the positioning pin (19) is inserted into a side hole (20) of the anti-collision beam (16).
4. The automobile front anti-collision beam punching die according to claim 3, characterized in that two side plates (23) are fixedly arranged at the bottom of the positioning seat (18), a bottom plate (24) is fixedly arranged at the bottom of the two side plates (23) through bolts, and the supporting rod (17) is arranged between the two side plates (23) and is in sliding fit with the two side plates (23).
5. The automobile front anti-collision beam punching die according to claim 4, characterized in that a first sliding hole (25) is formed in the supporting rod (17), and a second sliding hole (26) is formed in the two side plates (23);
a positioning seat heightening mechanism is further arranged between the two side plates (23), the positioning seat heightening mechanism is arranged between the supporting rod (17) and the bottom plate (24), the positioning seat heightening mechanism comprises a first positioning strip (27) which is arranged in the first sliding hole (25) in a sliding manner, a second positioning strip (28) is fixedly arranged after the bottom of the first positioning strip (27) penetrates through the first sliding hole (25), and two ends of the second positioning strip (28) are respectively inserted into the corresponding second sliding holes (26); the bilateral symmetry of second location strip (28) is provided with right angled triangle fixed block (29) on bottom plate (24), the inclined plane on fixed block (29) is close to the one end of second location strip (28) is high, keeps away from the one end of second location strip (28) is low, it is provided with adjusting screw (30) to rotate through the bearing on second location strip (28), be provided with two big sliders of right trapezoid (31) of interval adjustable on adjusting screw (30), 2 big sliders (31) set up respectively in the both sides of second location strip (28), and with adjusting screw (30) pass through threaded connection, the screw thread opposite direction of 2 big sliders (31), the inclined plane and the inclined plane looks adaptation on the corresponding fixed block (29) of big slider (31).
6. The automobile front anti-collision beam punching die according to claim 5, characterized in that a sliding groove (32) is formed in the inclined surface of the fixed block (29), a small sliding block (33) is arranged on the inclined surface of the large sliding block (31), and the small sliding block (33) is arranged in the sliding groove (32) and is in sliding fit with the sliding groove (32).
7. The automobile front anti-collision beam punching die according to claim 5, characterized in that 2 limiting rings (34) are fixedly arranged at two ends of the adjusting screw (30), and the 2 limiting rings (34) are respectively arranged at the outer sides of the corresponding large sliding blocks (31).
8. The automobile front anti-collision beam punching die according to claim 5, characterized in that a hexagonal nut (35) is welded to one end of the adjusting screw (30) far away from the lower template (10).
9. The automobile front anti-collision beam punching die according to claim 5, characterized in that an L-shaped scale base (36) is arranged at the bottom of the positioning base (18), the transverse part of the scale base (36) is arranged between the positioning base (18) and the supporting rod (17), the first positioning strip (27) is fixedly connected with the scale base (36), and the vertical part of the scale base (36) is provided with scales to form a first scale.
10. The automobile front anti-collision beam punching die according to any one of claims 3 to 9, characterized in that scales are arranged on the supporting rod (17) to form a second scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922198110.4U CN212494832U (en) | 2019-12-10 | 2019-12-10 | Crashproof roof beam cut-out press before car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922198110.4U CN212494832U (en) | 2019-12-10 | 2019-12-10 | Crashproof roof beam cut-out press before car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212494832U true CN212494832U (en) | 2021-02-09 |
Family
ID=74385811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922198110.4U Expired - Fee Related CN212494832U (en) | 2019-12-10 | 2019-12-10 | Crashproof roof beam cut-out press before car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212494832U (en) |
-
2019
- 2019-12-10 CN CN201922198110.4U patent/CN212494832U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |