CN214095807U - Telescopic positioning pin device and detection tool - Google Patents

Telescopic positioning pin device and detection tool Download PDF

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Publication number
CN214095807U
CN214095807U CN202023300265.3U CN202023300265U CN214095807U CN 214095807 U CN214095807 U CN 214095807U CN 202023300265 U CN202023300265 U CN 202023300265U CN 214095807 U CN214095807 U CN 214095807U
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China
Prior art keywords
pin
positioning
limiting
guide sleeve
positioning pin
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CN202023300265.3U
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Chinese (zh)
Inventor
梅敏
龙曲波
杨宇
胡玉婷
王虎
何乐为
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Dongshi Wuhan Industrial Co ltd
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Dongfeng Wuhan Industrial Co ltd
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Abstract

The utility model relates to a flexible locating pin device and examine utensil. The telescopic positioning pin device comprises a pin seat structure, a positioning pin structure and a guide sleeve structure; the pin base structure comprises a pin base main body and a pin base cover body arranged on the pin base main body, wherein the pin base main body is provided with a positioning hole in a penetrating way; the positioning pin structure comprises a positioning pin body movably arranged in the positioning hole in a penetrating way and a limiting pin body detachably arranged on the positioning pin body; the guide sleeve structure comprises a guide sleeve arranged in the positioning hole, and the positioning pin body is movably sleeved in the guide sleeve; the side of the pin boss main body is provided with a limiting sliding groove and a limiting clamping groove communicated with the limiting sliding groove, the extending direction of the limiting sliding groove is the same as that of the positioning hole, the extending direction of the limiting clamping groove is perpendicular to that of the limiting sliding groove, and the limiting pin body is located in the limiting clamping groove or the limiting sliding groove. The utility model provides a flexible locating pin device is difficult for losing in the use, is difficult to wearing and tearing and influences positioning accuracy, and it is simple and convenient to change the part.

Description

Telescopic positioning pin device and detection tool
Technical Field
The utility model relates to an auto parts detects technical field, in particular to flexible locating pin device and examines utensil.
Background
Nowadays, with the rapid development of the automobile industry in China, the automobile industry is a supporting industry in national production, and the automobile industry has become the target of most automobile manufacturing enterprises in order to meet the increasing consumption demands of people and rapidly expand the capacity of automobiles. In the inspection of automobile parts, a positioning pin is a tool for limiting the degree of freedom of the inspected part. The positioning pin is most widely applied to checking tools, dies and clamps and has the function of limiting the freedom degree of movement of an object. In the checking fixture formed by more structures, the precision of the positioning pin is particularly high, and the traditional positioning pin is usually set as a plug positioning pin. However, if the part is positioned only by the plug positioning pin, the plug positioning pin is easily lost in the management of the checking fixture, the plug positioning pin is also abraded inaccurately along with the increase of the use frequency of the checking fixture, and time and labor are wasted during part replacement. The consideration of the above factors is combined, and a novel positioning pin device is researched and designed, so that the problem existing in the prior art is very necessary to be overcome.
SUMMERY OF THE UTILITY MODEL
The utility model provides a flexible locating pin device and examine utensil is difficult for losing in the use, is difficult to wearing and tearing and influences positioning accuracy, and it is simple and convenient to change the part.
In a first aspect, the utility model provides a telescopic locating pin device, include:
the pin boss structure comprises a pin boss main body and a pin boss cover body arranged on the pin boss main body; a positioning hole penetrates through the pin base main body, and simultaneously penetrates through the pin base cover body;
the guide sleeve structure comprises a guide sleeve arranged in the positioning hole; and the number of the first and second groups,
the positioning pin structure comprises a positioning pin body movably arranged in the positioning hole in a penetrating way and a limiting pin body detachably arranged on the positioning pin body, and the positioning pin body is movably sleeved in the guide sleeve;
the side face of the pin boss main body is provided with a limiting sliding groove and a limiting clamping groove communicated with the limiting sliding groove, the limiting sliding groove and the limiting clamping groove are communicated with the positioning hole, the extending direction of the limiting sliding groove is the same as the extending direction of the positioning hole, the extending direction of the limiting clamping groove is perpendicular to the extending direction of the limiting sliding groove, and the limiting pin body is located in the limiting clamping groove or the limiting sliding groove.
In some embodiments, the guide sleeve structure comprises one of the guide sleeves sleeved in the positioning hole, and the positioning pin body is arranged in the guide sleeve in a penetrating manner; or,
the guide sleeve structure comprises two guide sleeves sleeved at two ends of the positioning hole, and the positioning pin body penetrates through the two guide sleeves simultaneously.
In some embodiments, the dowel body is in a clearance fit with the guide sleeve, and the guide sleeve is in an interference fit with the dowel hole.
In some embodiments, the positioning pin body includes a pin rod body movably disposed in the guide sleeve, and a positioning pin head protruding from one end of the pin rod body.
In some embodiments, the outer periphery of the middle portion of the pin body is provided with a wear-resistant coating, and the wear-resistant coating is correspondingly matched with the guide sleeve.
In some embodiments, a connecting hole is formed in the middle of the pin rod body, the axis of the connecting hole is perpendicular to the axis of the pin rod body, and the end part of the limiting pin body is clamped in the connecting hole; or,
the middle part of the pin rod body is provided with a threaded hole, the axis of the threaded hole is perpendicular to the axis of the pin rod body, and the end part of the limiting pin body is in threaded connection with the threaded hole.
In some embodiments, the positioning pin body comprises an operating handle disposed at the other end of the pin body.
In some embodiments, the pin boss cover and the pin boss main body are integrated, the edge of the pin boss cover protrudes out of the pin boss main body, and the edge of the pin boss cover is provided with a fixing hole.
In some embodiments, the limiting clamping groove extends from one side surface of the pin boss main body to the other side surface, and the limiting clamping groove is arranged in an L shape.
In a second aspect, the utility model provides an examine utensil, include as above flexible locating pin device.
The utility model provides a beneficial effect that technical scheme brought includes:
the embodiment of the utility model provides a flexible locating pin device wears to establish in the guide sleeve that sets up in the locating hole of the key seat main part of key seat structure through the locating pin body with the locating pin structure, can freely stretch out and draw back the locating pin body. And, set up spacing spout and spacing draw-in groove of mutual intercommunication through the side at the key seat main part, and set up spacing round pin body on the locating pin body, can utilize locating pin body to realize the location back to the object, the spacing round pin body that will prominently set up on locating pin body's lateral surface rotates from spacing spout and removes to spacing draw-in groove, thereby utilize and block spacing round pin body with spacing spout vertically spacing draw-in groove, thereby accomplish the spacing to the locating pin body, can realize the positioning action of locating pin body, and is simple and convenient. Moreover, the guide sleeve arranged in the positioning hole can realize the free extension and retraction of the positioning pin body in the positioning hole, and the positioning pin body is not easy to rub against the wall of the positioning hole to cause the abrasion of the positioning pin body in the repeated use process, so that the positioning precision of the positioning pin body is not influenced. The telescopic positioning pin device has the advantages that in the use process, the limiting pin body transversely connected with the positioning pin body can be always clamped in the limiting sliding groove or the limiting clamping groove, so that the positioning pin body can be clamped on the pin base main body and is not easy to lose.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic perspective view of a telescopic positioning pin device according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a second retractable positioning pin device according to an embodiment of the present invention;
fig. 3 is a schematic side view of the retractable positioning pin device according to the embodiment of the present invention;
fig. 4 is a schematic sectional view of the section a-a of fig. 3.
In the figure: 100. a pin boss body; 110. positioning holes; 120. a limiting chute; 130. a limiting clamping groove; 200. a pin boss cover body; 210. a fixing hole; 300. a locating pin body; 310. a pin body; 320. positioning the pin head; 330. an operating handle; 400. a limit pin body; 500. a guide sleeve structure; 510. a guide sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the inspection of automobile parts, a positioning pin is a tool for limiting the degree of freedom of the inspected part. The positioning pin is most widely applied to checking tools, dies and clamps and has the function of limiting the freedom degree of movement of an object. In the checking fixture formed by more structures, the precision of the positioning pin is particularly high, and the traditional positioning pin is usually set as a plug positioning pin. However, if the part is positioned only by the plug positioning pin, the plug positioning pin is easily lost in the management of the checking fixture, the plug positioning pin is also abraded inaccurately along with the increase of the use frequency of the checking fixture, and time and labor are wasted during part replacement. In order to solve the technical problem, the utility model provides a flexible locating pin device and examine utensil.
As shown in fig. 1 to fig. 2, the present invention provides a retractable positioning pin device, which includes a pin seat structure (100, 200), a guide sleeve structure 500 disposed on the pin seat structure, and a positioning pin structure (300, 400) sleeved in the guide sleeve structure 500. The pin boss structure can provide a positioning basis for the guide sleeve structure 500 and the positioning pin structure, and the guide sleeve structure can enable the positioning pin structure to freely stretch out and draw back, so that the positioning pin structure can conveniently realize the positioning function.
Specifically, as shown in fig. 3 to 4, the pin boss structure may include a pin boss body 100 and a pin boss cover 200 disposed on the pin boss body 100. Furthermore, the pin holder body 100 is formed with a positioning hole 110, and the positioning hole 110 penetrates the pin holder cover 200. Moreover, the positioning pin structure may include a positioning pin body 300 movably inserted into the positioning hole 110, and a limit pin body 400 detachably disposed on the positioning pin body 300. Moreover, the guiding sleeve structure 500 may include a guiding sleeve 510 disposed in the positioning hole 110, and the positioning pin 300 is movably sleeved in the guiding sleeve 510. In addition, the side surface of the pin boss main body 100 is provided with a limiting sliding groove 120 and a limiting clamping groove 130 communicated with the limiting sliding groove 120, the limiting sliding groove 120 and the limiting clamping groove 130 are both communicated with the positioning hole 110, the extending direction of the limiting sliding groove 120 is the same as the extending direction of the positioning hole 110, the extending direction of the limiting clamping groove 130 is perpendicular to the extending direction of the limiting sliding groove 120, and the limiting pin 400 is located in the limiting clamping groove 130 or the limiting sliding groove 120.
In the above-described retractable positioning pin device, the positioning pin body 300 of the positioning pin structure is inserted into the guide sleeve 510 provided in the positioning hole of the pin holder main body 100 of the pin holder structure, so that the positioning pin body 300 can be freely retracted. Moreover, the side surface of the pin holder main body 100 is provided with the limiting sliding groove 120 and the limiting clamping groove 130 which are communicated with each other, and the limiting pin body 400 is arranged on the positioning pin body 300, so that after the positioning pin body 300 is used for positioning an object, the limiting pin body 400 which is arranged on the outer side surface of the positioning pin body 300 in a protruding mode rotates from the limiting sliding groove 120 to the limiting clamping groove 130, the limiting pin body 400 is clamped by the limiting clamping groove 130 which is perpendicular to the limiting sliding groove 120, the limiting of the positioning pin body 300 is completed, the positioning effect of the positioning pin body 300 can be achieved, and the positioning device is simple and convenient. Moreover, the guide sleeve 510 arranged in the positioning hole 110 can realize the free extension and retraction of the positioning pin body 300 in the positioning hole 110, so that the positioning pin body 300 is not easy to rub against the wall of the positioning hole to cause the abrasion of the positioning pin body 300 in the repeated use process, and the positioning precision of the positioning pin body 300 cannot be influenced. In the use process of the telescopic positioning pin device, the limiting pin body 400 transversely connected with the positioning pin body 300 can be always clamped in the limiting sliding groove 120 or the limiting clamping groove 130, so that the positioning pin body 300 can be clamped on the pin base main body 100 and is not easy to lose.
In addition, in some embodiments, the pin holder cover 200 is integrated with the pin holder main body 100, the edge of the pin holder cover 200 protrudes out of the pin holder main body 100, and the edge of the pin holder cover 200 is provided with a fixing hole 210. Through setting up the marginal outstanding key seat main part 100 of key seat lid 200 to set up fixed orifices 210 at the outstanding edge of key seat lid 200, the accessible wears to establish the fastener of fixed orifices 210 and fixes key seat lid 200 and whole flexible locating pin device on other structures, conveniently realizes the locate function of locating pin structure. Moreover, the peripheral edges of the pin holder cover 200 may protrude from the pin holder body 100, and one or more side edges of the pin holder cover 200 may protrude from the pin holder body 100. In the present embodiment, the pin holder cover 200 and the pin holder main body 100 may be formed in a rectangular structure, and both side edges of the pin holder cover 200 may protrude to the outside of the pin holder main body 100, and a plurality of fixing holes 210 may be formed at each side edge to facilitate fixing the pin holder cover 200 from a plurality of positions.
In addition, in other embodiments, the pin boss cover 200 may be provided separately from the pin boss body 100, and the two may be detachably connected together by a screw connection structure.
In addition, in some embodiments, the guide sleeve structure 500 may include a guide sleeve 510 sleeved in the positioning hole 110, and the positioning pin 300 is inserted into the guide sleeve 510. That is, in the present embodiment, the dowel body 300 can be guided and positioned by only one guide sleeve 510. Moreover, the guiding sleeve 510 may be disposed inside the positioning hole 110, or may protrude outside the positioning hole 110 (i.e., outside the pin boss structure).
In addition, in other embodiments, the guide sleeve structure 500 may include one guide sleeve 510 respectively sleeved on two ends of the positioning hole 110, and the positioning pin 300 is simultaneously inserted into two guide sleeves 510. That is, in this embodiment, the dowel body 300 can be guided and positioned simultaneously from both ends by two guide sleeves 510. Moreover, both guide sleeves 510 may be disposed inside the positioning hole 110, or may protrude outside the positioning hole (i.e., outside the pin boss structure).
Furthermore, the pin body 300 may be in a clearance fit with the guiding sleeve 510, and the guiding sleeve 510 may be in an interference fit or transition fit with the positioning hole 110. Thus, the guide sleeve 510 can be clamped in the positioning hole 110, and the positioning pin body 300 can freely stretch and retract in the guide sleeve 510, so that the positioning pin body 300 is not easy to wear and has reliable precision.
Further, the pin body 300 may include a pin body 310 movably disposed in the guide sleeve 510, and a pin head 320 protruding from one end of the pin body 310. The pin body 310 of the dowel body 300 can freely extend and retract in the guide sleeve 510, and the dowel head 320 can be positioned. Moreover, the dowel head 320 may be tapered to facilitate the locating operation. Furthermore, the outer circumference of the middle portion of the pin body 310 may be provided with a wear-resistant coating, which may be correspondingly engaged with the guide sleeve 510. The wear-resistant coating is arranged in the middle of the pin rod body 310, so that the wear resistance of the positioning pin body 300 can be further improved, and the positioning accuracy of the positioning pin body can be guaranteed.
In addition, in some embodiments, a connecting hole is formed in the middle of the pin body 310, an axis of the connecting hole is perpendicular to an axis of the pin body 310, and an end of the limit pin body 400 is clamped in the connecting hole. Therefore, the limit pin body 400 can be clamped through the connecting hole formed in the pin body 310, so that the limit pin body 400 is perpendicular to the positioning pin body 300, and the positioning pin body 300 can be conveniently clamped and limited through the limit pin body 400. In this embodiment, the limit pin 400 can be directly engaged with the coupling hole of the pin body 310. The connection hole may be a through hole or a blind hole.
In addition, in some embodiments, a threaded hole is formed in the middle of the pin body 310, an axis of the threaded hole is perpendicular to an axis of the pin body 310, and an end of the limit pin body 400 is screwed into the threaded hole. In this embodiment, the stopper pin 400 can be screwed into the screw hole of the pin body 310, and can be easily attached and detached. In a similar way, the limiting pin body 400 and the positioning pin body 300 are connected in a mutually perpendicular mode, so that the positioning pin body 300 can be clamped and limited conveniently through the limiting pin body 400.
In addition, the pin body 300 may include an operating handle 330 provided at the other end of the pin body 310. By arranging the operating handle 330 at the other end of the pin rod body 310, the positioning pin body can be conveniently stretched and pulled by the operating handle 330. The operation handle 330 may have a spherical structure or a columnar structure. Moreover, the operating handle 330 may be sleeved on an end of the cylindrical pin body 310 and may be configured to be flexible.
In addition, the limiting sliding groove 120 is disposed on one side surface of the pin boss body 100 and extends along the extending direction of the positioning hole 110, and the limiting sliding groove 120 is always communicated with the positioning hole 110 during the extending process. The limiting slot 130 extends from one side surface of the pin holder body 110 to the other side surface, and the limiting slot 130 is disposed in an L shape. Thus, the limiting pin body 400 can be more reliably limited by the limiting clamping groove 130.
Also, a plurality of limiting slots 130 may be arranged side by side on the key housing body 100, and each limiting slot 130 is communicated with the limiting chute 120. Thus, the limit pin body 400 can be clamped in different limit clamping grooves 130 as required, so that the positioning pin body 300 can realize positioning effects with different heights.
Furthermore, the utility model provides an examine utensil, include as above flexible locating pin device.
The utility model provides a telescopic positioning pin device, when the positioning pin body extends out from the guide sleeve to position the part, the limiting pin body is rotated to the limiting clamping groove from the limiting chute, the positioning pin body is fixed, and the pin extending positioning function of the positioning pin body is realized; the locating pin body is rotated again, the limiting pin body can be driven to move to the limiting sliding groove from the limiting clamping groove, and the pin contracting function of the locating pin body can be completed. The parts are fixed and separated through the active stretching of the positioning pin body, and the operation is convenient. The locating pin body is accurate and rapid in locating through a series of telescopic actions, high in firmness and capable of improving detection efficiency.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It is noted that, in the present invention, relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A telescopic locating pin device, comprising:
the pin boss structure comprises a pin boss main body and a pin boss cover body arranged on the pin boss main body; a positioning hole penetrates through the pin base main body, and simultaneously penetrates through the pin base cover body;
the guide sleeve structure comprises a guide sleeve arranged in the positioning hole; and the number of the first and second groups,
the positioning pin structure comprises a positioning pin body movably arranged in the positioning hole in a penetrating way and a limiting pin body detachably arranged on the positioning pin body, and the positioning pin body is movably sleeved in the guide sleeve;
the side face of the pin boss main body is provided with a limiting sliding groove and a limiting clamping groove communicated with the limiting sliding groove, the limiting sliding groove and the limiting clamping groove are communicated with the positioning hole, the extending direction of the limiting sliding groove is the same as the extending direction of the positioning hole, the extending direction of the limiting clamping groove is perpendicular to the extending direction of the limiting sliding groove, and the limiting pin body is located in the limiting clamping groove or the limiting sliding groove.
2. The retractable positioning pin device as claimed in claim 1, wherein the guiding sleeve structure comprises a guiding sleeve sleeved in the positioning hole, and the positioning pin body is inserted into the guiding sleeve; or,
the guide sleeve structure comprises two guide sleeves sleeved at two ends of the positioning hole, and the positioning pin body penetrates through the two guide sleeves simultaneously.
3. The telescopic dowel apparatus of claim 2, wherein the dowel body is a clearance fit with the guide sleeve, and the guide sleeve is an interference fit with the dowel bore.
4. The retractable positioning pin device as claimed in claim 1, wherein the positioning pin body comprises a pin rod body movably inserted into the guide sleeve, and a positioning pin head protruding from one end of the pin rod body.
5. The telescopic locating pin device according to claim 4, wherein a wear-resistant coating is arranged on the outer peripheral surface of the middle part of the pin body, and the wear-resistant coating is correspondingly matched with the guide sleeve.
6. The telescopic positioning pin device according to claim 5, wherein a connecting hole is formed in the middle of the pin body, the axis of the connecting hole is perpendicular to the axis of the pin body, and the end of the limit pin body is clamped in the connecting hole; or,
the middle part of the pin rod body is provided with a threaded hole, the axis of the threaded hole is perpendicular to the axis of the pin rod body, and the end part of the limiting pin body is in threaded connection with the threaded hole.
7. The telescopic dowel apparatus of claim 4, wherein the dowel body includes an operating handle at the other end of the dowel body.
8. The retractable positioning pin device as claimed in claim 1, wherein the pin holder cover is integrally formed with the pin holder body, the edge of the pin holder cover protrudes from the pin holder body, and the edge of the pin holder cover is provided with a fixing hole.
9. The retractable positioning pin device according to claim 1, wherein the limit slot extends from one side surface of the pin holder body to the other side surface, and the limit slot is L-shaped.
10. A gauge comprising a telescopic locating pin arrangement as claimed in any one of claims 1 to 9.
CN202023300265.3U 2020-12-31 2020-12-31 Telescopic positioning pin device and detection tool Active CN214095807U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023300265.3U CN214095807U (en) 2020-12-31 2020-12-31 Telescopic positioning pin device and detection tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023300265.3U CN214095807U (en) 2020-12-31 2020-12-31 Telescopic positioning pin device and detection tool

Publications (1)

Publication Number Publication Date
CN214095807U true CN214095807U (en) 2021-08-31

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023300265.3U Active CN214095807U (en) 2020-12-31 2020-12-31 Telescopic positioning pin device and detection tool

Country Status (1)

Country Link
CN (1) CN214095807U (en)

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Address after: 430000 No. 9 Jinbei Road, Dongxihu District, Wuhan City, Hubei Province

Patentee after: Dongshi (Wuhan) Industrial Co.,Ltd.

Address before: 430040 No. 9 Jin Bei Yi Road, Dongxihu District, Wuhan, Hubei

Patentee before: DONGFENG (WUHAN) INDUSTRIAL Co.,Ltd.