CN104669207B - Power hammer is returned in damping - Google Patents

Power hammer is returned in damping Download PDF

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Publication number
CN104669207B
CN104669207B CN201510068889.1A CN201510068889A CN104669207B CN 104669207 B CN104669207 B CN 104669207B CN 201510068889 A CN201510068889 A CN 201510068889A CN 104669207 B CN104669207 B CN 104669207B
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CN
China
Prior art keywords
shock attenuation
elastic shock
attenuation arm
connecting portion
arm
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Expired - Fee Related
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CN201510068889.1A
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Chinese (zh)
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CN104669207A (en
Inventor
刘谦益
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Guangzhou Softmap Information Technology Co ltd
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Individual
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Publication of CN104669207B publication Critical patent/CN104669207B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses damping and return power hammer, including handle, the first elastic shock attenuation arm and the second elastic shock attenuation arm and be separately positioned on the tup that the first elastic shock attenuation arm and the second elastic shock attenuation arm are anterior, first elastic shock attenuation arm and the second elastic shock attenuation arm front end the most one on the other and at regular intervals forward extend out and are in same longitudinal section, two tups are separately positioned on the perpendicular bisector of the first elastic shock attenuation arm and the second elastic shock attenuation arm front end and tup and coincide, and are provided with in space and space equipped with rubber accumulation of energy cushion block between two tups.During use, above the percussion power of tup, inertia impulsive force and rubber accumulation of energy cushion block be extruded the superposition of the elastic reset release power after accumulation of energy, act on following hammer, make following tup have bigger downward impulsive force, thus improve work efficiency.Meanwhile, the first elastic shock attenuation arm and the second elastic shock attenuation arm are set with elastic shock attenuation, impulsive force when further reducing hammering produced handle.

Description

Power hammer is returned in damping
Technical field
The present invention relates to hardware & tools field, power hammer is returned in specifically a kind of damping.
Background technology
The structure of traditional tup includes handle and is arranged on the tup that handle is anterior, it it is fixing connection due to tup and handle when the tup of this structure uses, when tup directly acts on nail or when needing on the object of hammering, active force according to power and the principle of counteracting force, in addition to offset the power of a part by the object of hammering, substantial portion of counteracting force is had to rebound back, therefore the arm of user can be shaken, user can be felt under the weather, and the effect of hammering simultaneously is also given a discount.Alleviate vibrations when hammer uses, arm produced the most to greatest extent, be the problem studied of the present inventor.
Summary of the invention
Present invention aims to the problem and shortage of above-mentioned existence, it is provided that a kind of reduce vibrations, improve work efficiency damping return power hammer.
The technical scheme is that and be achieved in that: power hammer is returned in damping, including handle, it is arranged on the first elastic shock attenuation arm and the second elastic shock attenuation arm of handle front end and is separately positioned on the first elastic shock attenuation arm and the tup of the second elastic shock attenuation arm front portion, described first elastic shock attenuation arm and the second elastic shock attenuation arm front end the most one on the other and at regular intervals forward extend out and are in same longitudinal section, two tups are separately positioned on the perpendicular bisector of the first elastic shock attenuation arm and the second elastic shock attenuation arm front end and tup and coincide, it is provided with between two tups in space and space equipped with rubber accumulation of energy cushion block.
Further, described first elastic shock attenuation arm and the annexation of the second elastic shock attenuation arm and have various structures form with handle connected mode, as being the first elastic shock attenuation arm and one connection formation rear end, the second elastic shock attenuation arm rear end one connecting portion, rear end one connecting portion is connected with handle by box spanner tooth mouth.Can also be that the first elastic shock attenuation arm and the second elastic shock attenuation arm are independent component, the first elastic shock attenuation arm and the second elastic shock attenuation arm be connected with handle by connector respectively.
Further, described two tups are connected with the first elastic shock attenuation arm and the second elastic shock attenuation arm one respectively, connect cross section, position thicker, to increase quality.Can also be that two tups are connected by connector with the first elastic shock attenuation arm and the second elastic shock attenuation arm respectively.
For reducing vibrations, it is respectively equipped with caulking groove on two opposite faces that described two tups are closest, rubber accumulation of energy cushion block be respectively arranged at two ends with the abaculus suitable with caulking groove, in the caulking groove that the opposite face that rubber accumulation of energy cushion block is embedded between two tups by its abaculus being respectively arranged at two ends with is provided with thus be connected as a single entity with two tups.
Further, described box spanner tooth mouth includes big sleeve and small sleeve, big sleeve and small sleeve are respectively equipped with big end and small end, the small end external diameter of small sleeve and big sleeve small end endoporus tight fit, it is respectively equipped with outside the small end two of the biggest sleeve inside the big end stand rank of spline step, big sleeve and small sleeve and is respectively equipped with limiting tooth mouth;The stage casing of described first elastic shock attenuation arm and the second elastic shock attenuation arm is close to each other, two ends are slightly separated, the rear end one connecting portion of described first elastic shock attenuation arm and the second elastic shock attenuation arm is thin arm circular sliding slopes, elastic spring function can be had during use, the rear end one connecting portion of described first elastic shock attenuation arm and the second elastic shock attenuation arm and the middle hollow out near stage casing form bifurcated connecting portion, are respectively equipped with draw-in groove inside the rearward end of described bifurcated connecting portion;The connection end of described handle is provided with connecting portion, the two sides of connecting portion are parallel, connecting portion is provided with connecting hole, around connecting hole, a circle baffle teeth mouth it is respectively equipped with on the two sides of connecting portion, be respectively equipped with inside connecting hole two with the small end two of big sleeve outside the suitable limited step of the spline step that is respectively equipped with, the rear portion, two sides of connecting portion be respectively equipped with the rearward end of bifurcated connecting portion inside the suitable projection of the draw-in groove that is respectively equipped with;nullDuring connection,In the bifurcated of the bifurcated connecting portion that the connecting portion of described handle connection end stretches into the first elastic shock attenuation arm and the second elastic shock attenuation arm,The projection that the rear portion, two sides of connecting portion is respectively equipped with embeds in the draw-in groove being provided with inside the rearward end of bifurcated connecting portion,Under external force,Again the small end of big sleeve and small sleeve is inserted in the connecting hole that the connecting portion of handle is provided with respectively outside the rearward end two of the first elastic shock attenuation arm and the bifurcated connecting portion of the second elastic shock attenuation arm,Now,The spline step being respectively equipped with outside the small end two of big sleeve matches with the limited step being respectively equipped with inside connecting hole two,The small end external diameter of small sleeve and big sleeve small end endoporus tight fit,The limiting tooth mouth being provided with inside the big end stand rank of big sleeve and small sleeve is meshed with the circle baffle teeth mouth being respectively equipped with around the connecting hole of handle,So that the first elastic shock attenuation arm and the second elastic shock attenuation arm is firm with handle links together,And prevent from relatively rotating when using.
Due to the fact that and have employed double elastic shock attenuation arms and double tup, and between double tups, it is provided with in space and space the structure equipped with rubber accumulation of energy cushion block, during use, the superposition of the elastic reset release power after the percussion power of tup, inertia impulsive force and rubber accumulation of energy cushion block are extruded accumulation of energy above, act on following hammer, make following tup have bigger downward impulsive force, thus improve work efficiency.Meanwhile, the first elastic shock attenuation arm and the second elastic shock attenuation arm are set with elastic shock attenuation, impulsive force when further reducing hammering produced handle.
The present invention is further illustrated below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is an embodiment of the present invention the first elastic shock attenuation arm and the structural representation of the second elastic shock attenuation arm rear end one connection;
Fig. 3 is the plan structure schematic diagram of Fig. 2;
Fig. 4 is the A-A sectional structure schematic diagram of Fig. 3;
Fig. 5 is the structural representation of rubber accumulation of energy cushion block of the present invention;
Fig. 6 is the sectional structure schematic diagram of handle of the present invention;
Fig. 7 is the structural representation at mono-visual angle of Fig. 6;
Fig. 8 is the package assembly schematic diagram of an embodiment of the present invention.
Fig. 9 is the package assembly schematic diagram of an embodiment of the present invention;
Figure 10 is the structural representation after the assembling of an embodiment of the present invention;
Figure 11 is the present invention big sleeve plan structure schematic diagram;
Figure 12 is the big sleeve of the present invention main TV structure schematic diagram;
Figure 13 is that structural representation looked up by the big sleeve of the present invention;
Figure 14 is small sleeve plan structure schematic diagram of the present invention;
Figure 15 is small sleeve of the present invention main TV structure schematic diagram;
Figure 16 is that small sleeve of the present invention looks up structural representation;
Figure 17 is the big sleeve of the present invention and small sleeve attachment structure schematic diagram;
Figure 18 is to start percussion power effect schematic diagram when tapping;
The schematic diagram of rubber accumulation of energy cushion block extruding accumulation of energy when Figure 19 is to tap;
Figure 20 is the release accumulation of energy of rubber accumulation of energy cushion block elastic reset and the structural representation of shock-absorbing arms damping;
Figure 21 is percussion power, inertia impulsive force and the synergistic effect schematic diagram of elastic reset release power.
Detailed description of the invention
As Figure 1-4, the present invention is that power hammer is returned in damping, including handle 1, it is arranged on the first elastic shock attenuation arm 2 and the second elastic shock attenuation arm 3 of handle 1 front end and is separately positioned on the first elastic shock attenuation arm 2 and tup 4 of the second elastic shock attenuation arm 3 front portion, 5, first elastic shock attenuation arm 2 and the second elastic shock attenuation arm 3 front end the most one on the other and at regular intervals forward extend out and are in same longitudinal section, two tups 4, 5 are separately positioned on the first elastic shock attenuation arm 2 and the second elastic shock attenuation arm 3 front end and tup 4, the perpendicular bisector of 5 coincides, two tups 4, it is provided with between 5 in space and space equipped with rubber accumulation of energy cushion block 6.First elastic shock attenuation arm 2 and the second elastic shock attenuation arm 3 rear end one connect formation rear end one connecting portion 8, and rear end one connecting portion 8 is connected with handle 1 by box spanner tooth mouth 7.Two tups 4,5 are connected with the first elastic shock attenuation arm 2 and the second elastic shock attenuation arm 3 one respectively, connect cross section, position thicker, to increase quality.It is respectively equipped with caulking groove 41,51 on two opposite faces that two tups 4,5 are closest, rubber accumulation of energy cushion block 6 be respectively arranged at two ends with the abaculus 61 suitable with caulking groove 41,51, in the caulking groove 41,51 that the opposite face that rubber accumulation of energy cushion block 6 is embedded between two tups 4,5 by its abaculus 61 being respectively arranged at two ends with is provided with thus be connected as a single entity with two tups 4,5.
Elasticity and the hardness of rubber accumulation of energy cushion block 6 need to control in applicable degree.The energy of rubber accumulation of energy cushion block 6 more soft release is the poorest with the synchronicity of inertia force and the synergistic effect of impulsive force, and the energy that rubber accumulation of energy cushion block 6 discharges the most firmly is the best with the synchronicity of inertia force and the synergistic effect of impulsive force.But must ensure that rubber accumulation of energy cushion block 6 has suitable elastomeric deformable degree on this basis.Rubber accumulation of energy cushion block 6 is the hardest, and the speed resetted after crimp is the fastest.Rubber accumulation of energy cushion block 6 is the softest, and the speed resetted after crimp is the slowest.The soft durometer of rubber accumulation of energy cushion block 6 is the relation that the quality to hammer body is directly proportional, and hammer body quality is the biggest, and hammer body is the least with rubber accumulation of energy cushion block 6 contact surface, and the hardness of rubber accumulation of energy cushion block 6 just should be the highest.
As shown in Fig. 1-17, box spanner tooth mouth 7 of the present invention includes big sleeve 71 and small sleeve 72, big sleeve 71 and small sleeve 72 are respectively equipped with big end and small end, the small end external diameter of small sleeve 72 and big sleeve 71 small end endoporus tight fit, it is respectively equipped with outside the small end two of the biggest sleeve 71 inside the big end stand rank of spline step 73, big sleeve 71 and small sleeve 72 and is respectively equipped with limiting tooth mouth 711,721;The stage casing of the first elastic shock attenuation arm 2 and the second elastic shock attenuation arm 3 is close to each other, two ends are slightly separated, the rear end one connecting portion 8 of the first elastic shock attenuation arm 2 and the second elastic shock attenuation arm 3 is thin arm circular sliding slopes, elastic spring function can be had during use, the rear end one connecting portion 8 of described first elastic shock attenuation arm 2 and the second elastic shock attenuation arm 3 and the middle hollow out near stage casing form bifurcated connecting portion, are respectively equipped with draw-in groove 21,31 inside the rearward end of described bifurcated connecting portion;The connection end of handle 1 is provided with connecting portion 11, the two sides of connecting portion 11 are parallel, connecting portion 11 is provided with connecting hole 12, around connecting hole 12, a circle baffle teeth mouth 13 it is respectively equipped with on the two sides of connecting portion 11,12 liang of inner sides of connecting hole be respectively equipped with the small end two of big sleeve 71 outside the suitable limited step 14 of the spline step 73 that is respectively equipped with, the rear portion, two sides of connecting portion 11 be respectively equipped with the rearward end of bifurcated connecting portion inside the suitable projection 15 of the draw-in groove 21,31 that is respectively equipped with;nullDuring connection,Handle 1 connects in the bifurcated of the bifurcated connecting portion that the connecting portion 11 of end stretches into the first elastic shock attenuation arm 2 and the second elastic shock attenuation arm 3,The projection 15 that the rear portion, two sides of connecting portion 11 is respectively equipped with embeds the draw-in groove 21 being provided with inside the rearward end of bifurcated connecting portion、In 31,Under external force,Again the small end of big sleeve 71 and small sleeve 72 is inserted in the connecting hole 12 that the connecting portion 11 of handle 1 is provided with respectively outside the rearward end two of the first elastic shock attenuation arm 2 and the bifurcated connecting portion of the second elastic shock attenuation arm 3,Now,The limited step 14 that the 12 liang of inner sides of spline step 73 and connecting hole being respectively equipped with outside the small end two of big sleeve 71 are respectively equipped with matches,The small end external diameter of small sleeve 72 and big sleeve 71 small end endoporus tight fit,The limiting tooth mouth 711 being provided with inside the big end stand rank of big sleeve 71 and small sleeve 72、721 are meshed with the circle baffle teeth mouth 13 being respectively equipped with around the connecting hole 12 of handle 1,So that the first elastic shock attenuation arm 2 and the second elastic shock attenuation arm 3 is firm with handle 1 links together,And prevent from relatively rotating when using.Handle 1 includes metal arbor 16 and the plastic handle set 17 at middle part.
Figure 18 is to start percussion power effect schematic diagram when tapping.
The schematic diagram of rubber accumulation of energy cushion block extruding accumulation of energy when Figure 19 is to tap.
Figure 20 is the release accumulation of energy of rubber accumulation of energy cushion block elastic reset and the structural representation of shock-absorbing arms damping.
Figure 21 is percussion power, inertia impulsive force and the synergistic effect schematic diagram of elastic reset release power.
Another kind of embodiment: the first elastic shock attenuation arm 2 and the second elastic shock attenuation arm 3 are independent component, the first elastic shock attenuation arm 2 and the second elastic shock attenuation arm 3 are connected with handle 1 by connector respectively.
Another kind of embodiment: two tups 4,5 are connected by connector with the first elastic shock attenuation arm 2 and the second elastic shock attenuation arm 3 respectively.
Above-described embodiment is the present invention preferably embodiment; but embodiments of the present invention are also not restricted to the described embodiments; the change made under other any spirit without departing from the present invention and principle, modify, substitute, combine, simplify; all should be the substitute mode of equivalence, within being included in protection scope of the present invention.

Claims (9)

1. power hammer is returned in damping, it is characterized in that: include handle (1), it is arranged on the first elastic shock attenuation arm (2) and the second elastic shock attenuation arm (3) of handle (1) front end and is separately positioned on the first elastic shock attenuation arm (2) and the tup (4 of the second elastic shock attenuation arm (3) front portion, 5), described first elastic shock attenuation arm (2) and the second elastic shock attenuation arm (3) front end the most one on the other and at regular intervals forward extend out and are in same longitudinal section, two tups (4, 5) the first elastic shock attenuation arm (2) and the second elastic shock attenuation arm (3) front end and tup (4 it are separately positioned on, 5) perpendicular bisector coincides, two tups (4, 5) it is provided with between in space and space equipped with rubber accumulation of energy cushion block (6).
Power hammer is returned in damping the most according to claim 1, it is characterized in that: described first elastic shock attenuation arm (2) and the second elastic shock attenuation arm (3) rear end one connect formation rear end one connecting portion (8), and described rear end one connecting portion (8) is connected with handle (1) by box spanner tooth mouth (7).
Power hammer is returned in damping the most according to claim 1, it is characterized in that: described first elastic shock attenuation arm (2) and the second elastic shock attenuation arm (3) are independent component, the first elastic shock attenuation arm (2) and the second elastic shock attenuation arm (3) are connected with handle (1) by connector respectively.
4. return power hammer according to the damping described in claim 1 or 2 or 3, it is characterised in that: described two tups (4,5) are connected with the first elastic shock attenuation arm (2) and the second elastic shock attenuation arm (3) one respectively, connect cross section, position thicker.
5. return power hammer according to the damping described in claim 1 or 2 or 3, it is characterised in that: described two tups (4,5) are connected by connector with the first elastic shock attenuation arm (2) and the second elastic shock attenuation arm (3) respectively.
Power hammer is returned in damping the most according to claim 4, it is characterized in that: on two opposite faces that described two tups (4,5) are closest, be respectively equipped with caulking groove (41,51), being respectively arranged at two ends with and the suitable abaculus (61) of caulking groove (41,51) of rubber accumulation of energy cushion block (6), in the caulking groove (41,51) that the opposite face that rubber accumulation of energy cushion block (6) is embedded between two tups (4,5) by its abaculus being respectively arranged at two ends with (61) is provided with thus is connected as a single entity with two tups (4,5).
Power hammer is returned in damping the most according to claim 5, it is characterized in that: on two opposite faces that described two tups (4,5) are closest, be respectively equipped with caulking groove (41,51), being respectively arranged at two ends with and the suitable abaculus (61) of caulking groove (41,51) of rubber accumulation of energy cushion block (6), in the caulking groove (41,51) that the opposite face that rubber accumulation of energy cushion block (6) is embedded between two tups (4,5) by its abaculus being respectively arranged at two ends with (61) is provided with thus is connected as a single entity with two tups (4,5).
Power hammer is returned in damping the most according to claim 2, it is characterized in that: described box spanner tooth mouth (7) includes big sleeve (71) and small sleeve (72), big sleeve (71) and small sleeve (72) are respectively equipped with big end and small end, the small end external diameter of small sleeve (72) and big sleeve (71) small end endoporus tight fit, it is respectively equipped with outside the small end two of the biggest sleeve (71) inside the big end stand rank of spline step (73), big sleeve (71) and small sleeve (72) and is respectively equipped with limiting tooth mouth (711,721);
The stage casing of described first elastic shock attenuation arm (2) and the second elastic shock attenuation arm (3) is close to each other, two ends are slightly separated, rear end one connecting portion (8) of described first elastic shock attenuation arm (2) and the second elastic shock attenuation arm (3) is thin arm circular sliding slopes, rear end one connecting portion (8) of described first elastic shock attenuation arm (2) and the second elastic shock attenuation arm (3) and the middle hollow out near stage casing form bifurcated connecting portion, are respectively equipped with draw-in groove (21,31) inside the rearward end of described bifurcated connecting portion;
The connection end of described handle (1) is provided with connecting portion (11), the two sides of connecting portion (11) are parallel, connecting portion (11) is provided with connecting hole (12), around connecting hole (12), circle baffle teeth mouth (13) it is respectively equipped with on the two sides of connecting portion (11), be respectively equipped with inside connecting hole (12) two with the small end two of big sleeve (71) outside the suitable limited step (14) of the spline step (73) that is respectively equipped with, the rear portion, two sides of connecting portion (11) be respectively equipped with the rearward end of bifurcated connecting portion inside the draw-in groove (21 that is respectively equipped with, 31) suitable projection (15);
nullDuring connection,In the bifurcated of the bifurcated connecting portion that the connecting portion (11) of described handle (1) connection end stretches into the first elastic shock attenuation arm (2) and the second elastic shock attenuation arm (3),The projection (15) that the rear portion, two sides of connecting portion (11) is respectively equipped with embeds the draw-in groove (21 being provided with inside the rearward end of bifurcated connecting portion、31) in,Under external force,Again the small end of big sleeve (71) and small sleeve (72) is inserted in the connecting hole (12) that the connecting portion (11) of handle (1) is provided with respectively outside the rearward end two of the first elastic shock attenuation arm (2) and the bifurcated connecting portion of the second elastic shock attenuation arm (3),Now,The spline step (73) being respectively equipped with outside the small end two of big sleeve (71) matches with the limited step (14) being respectively equipped with inside connecting hole (12) two,The small end external diameter of small sleeve (72) and big sleeve (71) small end endoporus tight fit,The limiting tooth mouth (711 being provided with inside the big end stand rank of big sleeve (71) and small sleeve (72)、721) circle baffle teeth mouth (13) being around respectively equipped with the connecting hole (12) of handle (1) is meshed,So that the first elastic shock attenuation arm (2) and the second elastic shock attenuation arm (3) is firm with handle (1) links together,And prevent from relatively rotating when using.
Power hammer is returned in damping the most according to claim 8, it is characterised in that: described handle (1) includes metal arbor (16) and the plastic handle set (17) at middle part.
CN201510068889.1A 2015-02-10 2015-02-10 Power hammer is returned in damping Expired - Fee Related CN104669207B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510068889.1A CN104669207B (en) 2015-02-10 2015-02-10 Power hammer is returned in damping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510068889.1A CN104669207B (en) 2015-02-10 2015-02-10 Power hammer is returned in damping

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CN104669207A CN104669207A (en) 2015-06-03
CN104669207B true CN104669207B (en) 2016-11-16

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204505183U (en) 2015-02-10 2015-07-29 刘谦益 Power hammer is returned in damping

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2080016U (en) * 1990-08-03 1991-07-03 高亚伟 Inertia force-increasing hand hammer
US5657674A (en) * 1996-04-18 1997-08-19 Burnett; John A. Composite Percussive tool
US7143667B2 (en) * 2004-07-29 2006-12-05 Atom Design Inc. Striking or pulling tool with a split head
CN201970283U (en) * 2011-04-22 2011-09-14 上海赛拓五金工具有限公司 Hammer
CN202592335U (en) * 2012-04-13 2012-12-12 陈淑汝 Structure of hammer
CN204505183U (en) * 2015-02-10 2015-07-29 刘谦益 Power hammer is returned in damping

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Effective date of registration: 20171110

Address after: 510623 323 Huaqiang Road 2, Guangzhou, Guangdong, Tianhe District

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Address before: 510630 Guangdong city of Guangzhou province Tianhe District huajingxincheng man Ting Fang Yuan B block 19D

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