CN210949612U - Clutch booster support and vehicle with same - Google Patents
Clutch booster support and vehicle with same Download PDFInfo
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- CN210949612U CN210949612U CN201921549583.8U CN201921549583U CN210949612U CN 210949612 U CN210949612 U CN 210949612U CN 201921549583 U CN201921549583 U CN 201921549583U CN 210949612 U CN210949612 U CN 210949612U
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Abstract
The application relates to a clutch booster support which comprises a first support and a second support, wherein the first support is plate-shaped, the first support is provided with more than two bolt holes penetrating through the plate surface of the first support, the main body of the second support is plate-shaped, and the surface of the second support is oval; the second bracket is attached to and fixedly connected with the first bracket; the first bracket and the second bracket are arranged in a step shape; the edge curve connecting two end points of the long axis on the elliptic surface of the second bracket is wavy; the second support is provided with a through hole, the through hole penetrates through the plate surface of the second support and the plate surface of the first support, and the through hole is suitable for penetrating through a push rod of the clutch booster so as to fixedly connect the push rod with the engine; the second support is further provided with a connecting hole, the connecting hole penetrates through the plate surface of the second support and the plate surface of the first support, and the connecting hole is used for connecting the engine. The interference phenomenon of the clutch booster and the clutch booster bracket in installation can be avoided, and the assembly quality is improved.
Description
Technical Field
The utility model relates to a vehicle field especially relates to a separation and reunion booster and have its vehicle.
Background
The clutch booster is an important component of the clutch and is usually fixed to the transmission housing by a fixing bracket. The existing clutch booster support is complex in structure, is easy to interfere with a clutch booster in the assembling process, and influences the assembling quality.
Disclosure of Invention
In view of this, this disclosure provides a clutch booster and have its vehicle, can effectually avoid when installing clutch booster, the interference phenomenon of clutch booster and clutch booster support to assembly quality has been improved.
According to one aspect of the disclosure, a clutch booster support is provided, which comprises a first support and a second support, wherein the first support is plate-shaped, the first support is provided with more than two bolt holes penetrating through a plate surface of the first support, and the bolt holes are used for connecting a clutch booster;
the main body of the second bracket is plate-shaped, and the surface of the second bracket is oval;
the second bracket is attached to and fixedly connected with the first bracket;
the first bracket and the second bracket are arranged in a ladder shape;
the edge curve connecting two end points of the long axis on the elliptic surface of the second bracket is wavy;
the second support is provided with a through hole, the through hole penetrates through the plate surface of the second support and the plate surface of the first support, and the through hole is suitable for penetrating through a push rod of the clutch booster so as to enable the push rod to be fixedly connected with an engine;
the second support is further provided with a connecting hole, the connecting hole penetrates through the plate surface of the second support and the plate surface of the first support, and the connecting hole is used for connecting the engine.
In one possible implementation, the major axis of the elliptical surface of the second stent extends outside the plate surface of the first stent;
the part of the long shaft extending out of the first support is an extending end, and the extending end is opposite to one side of the first support and is flush with one side of the first support, which is far away from the second support.
In one possible implementation manner, the first bracket includes a first through groove and a second through groove, and the first through groove and the second through groove penetrate through a plate surface of the first bracket;
the first through groove is communicated with the through hole, and the second through groove is communicated with the through hole;
the main body of the first through groove is square, and one side, far away from the through hole, of the first through groove is semicircular;
the main body of the second through groove is square, and one side, far away from the through hole, of the second through groove is semicircular;
the first through groove and the second through groove are equal in size;
and a connecting line between the semicircular midpoint of the first through groove and the semicircular midpoint of the second through groove is parallel to the long axis of the second support.
In a possible implementation manner, the support device further comprises a first support and a second support, one side of the first support is fixedly connected with the plate surface of the first support close to the second support, and the other side of the first support is fixedly connected with the wavy side wall of one side of the second support;
one side of the second support is fixedly connected with the plate surface of the first support close to the second support, and the other side of the second support is fixedly connected with the wavy side wall of the other side of the second support;
the first support and the second support are oppositely arranged, and a connecting line of midpoints of the first support and the second support passes through a center point of the first support.
In a possible implementation manner, a panel of the first bracket facing the second bracket is provided with a groove.
In a possible implementation manner, the connection holes include a first connection hole and a second connection hole, the first connection hole is disposed near one end point of the long axis of the second support, and the second connection hole is disposed near the other end point of the long axis of the second support;
a connecting line from the midpoint of the first connecting hole to the midpoint of the second connecting hole is overlapped with the long axis of the second support;
the midpoint of the perforation coincides with the midpoint of the elliptical surface of the second stent.
In a possible implementation manner, the first bracket is in a shape of a square plate, and the number of the bolt holes is four, and the bolt holes are respectively arranged at four corners of the square plate.
In a possible implementation manner, four grooves are provided, and the grooves are arranged corresponding to four corners of the first support.
In one possible implementation, the first bracket and the second bracket are integrally cast.
According to another aspect of the present disclosure, there is provided a vehicle including the clutch booster bracket of any one of the above.
In the clutch booster support of the embodiment of the disclosure, the clutch booster is placed on one side of the first support far away from the second support (namely, on the surface of one side of the first support which is not jointed with the second support), and is screwed with the bolt hole on the first support through the bolt, so as to be fixedly connected with the first support. The engine sets up in the second support keep away from one side of first support (i.e. on the second support does not laminate with one side surface of first support mutually) to through connecting hole and second support fixed connection. The push rod of the clutch booster penetrates through the through hole to be fixedly connected with the engine. Can be with separation and reunion booster and engine fixed connection through this disclosed embodiment separation and reunion booster support to because the shape of itself is simple, and be equipped with the perforation and can make separation and reunion main power ware push rod pass through, thereby prevented the interference phenomenon between separation and reunion booster support and the separation and reunion booster, and further improved separation and reunion booster's quality.
Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the disclosure and, together with the description, serve to explain the principles of the disclosure.
FIG. 1 illustrates a front view of a clutch booster bracket assembly of an embodiment of the present disclosure;
FIG. 2 shows a front view A-direction cross-sectional view of a clutch booster bracket assembly of an embodiment of the present disclosure;
FIG. 3 illustrates a top view of a clutch booster bracket assembly of an embodiment of the present disclosure;
fig. 4 shows a rear view of a clutch booster bracket assembly of an embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
It should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention or for simplicity in description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.
FIG. 1 illustrates a front view of a clutch booster bracket according to one embodiment of the present disclosure. As shown in fig. 1, the clutch booster support comprises a first support 100 and a second support 200, wherein the first support 100 is plate-shaped, and the first support 100 is provided with more than two bolt holes penetrating through the surface of the first support 100, and the bolt holes are used for connecting the clutch booster. The main body of the second bracket 200 is plate-shaped, and the surface of the second bracket 200 is oval, wherein the second bracket 200 is attached to and fixedly connected with the first bracket 100, and the first bracket 100 and the second bracket 200 are arranged in a step shape. On the elliptical surface of the second stent 200, the edge curve connecting the two end points of the major axis is wavy. The second bracket 200 is provided with a through hole 300, the through hole 300 penetrates through the plate surface of the second bracket 200 and the plate surface of the first bracket 100, and the through hole 300 is suitable for penetrating through a push rod of the clutch booster so as to fixedly connect the push rod with an engine. The second bracket 200 is further provided with a connection hole 400, the connection hole 400 penetrates through the plate surface of the second bracket 200 and the plate surface of the first bracket 100, and the connection hole 400 is used for connecting an engine.
In the clutch booster support of the embodiment of the present disclosure, the clutch booster is placed on a side of the first support 100 away from the second support 200 (i.e., on a side surface of the first support 100 not attached to the second support 200), and is screwed with the bolt hole of the first support 100 by a bolt, so as to be fixedly connected to the first support. The engine is disposed on a side of the second bracket 200 away from the first bracket 100 (i.e., on a surface of the second bracket 200 on a side not attached to the first bracket 100), and is fixedly coupled to the second bracket 200 through the coupling hole 400. The push rod of the clutch booster passes through the through hole 300 and is fixedly connected with the engine. Can be with separation and reunion booster and engine fixed connection through this disclosed embodiment separation and reunion booster support to because the shape of itself is simple, and be equipped with perforation 300 and can make separation and reunion owner's power ware push rod pass through, thereby prevented the interference phenomenon between separation and reunion booster support and the separation and reunion booster, and further improved separation and reunion booster's quality.
It should be noted here that the connection hole 400 may be provided therein with an internal thread, and the engine is fixedly connected to the connection hole 400 by a bolt. It should also be noted here that the undulation of the wavy line of the elliptical surface of the second stent 200 is gentle. In one possible implementation, the edge of the elliptic cylindrical surface of the second stent 200 comprises a first curve and a second curve which are the same in size and shape, the first curve and the second curve are connected into a closed ellipse, and the connection point of the first curve and the second curve is the end point on both sides of the long axis of the ellipse. Taking the first curve as an example, the first curve includes a first arc segment, a second arc segment, a third arc segment, a fourth arc segment and a fifth arc segment. The first arc segment, the second arc segment, the third arc segment, the fourth arc segment and the fifth arc segment are connected in sequence. The first arc segment is fan-shaped, and the center of the fan-shaped arc segment is located inside the elliptical surface of the second bracket 200. The second arc line segment is fan-shaped, the center of the second arc line segment is positioned outside the elliptical surface of the second bracket 200, and the second arc line segment is tangent to the first arc line segment. The third arc line segment is fan-shaped, the circle center of the fan-shaped circle segment is positioned inside the elliptical surface of the second support 200, the third arc line segment and the second arc line segment are arranged in a tangent mode, and the top end of the third arc line segment is the end point on one side of the short shaft of the elliptical surface of the second support 200. The fourth arc-shaped section is in the shape of a sector the same as the second arc-shaped section, the center of the sector is located outside the elliptical surface of the second bracket 200, and the fourth arc-shaped section is tangent to the third arc-shaped section. The fifth arc-shaped section is in a fan shape which is the same as the first arc-shaped section, the circle center of the fan shape is positioned inside the elliptical surface of the second bracket 200, and the fifth arc-shaped section and the fourth arc-shaped section are arranged in a tangent mode. Therefore, the appearance of the clutch booster support provided by the embodiment of the disclosure is optimized, and the clutch booster support occupies a small space and is attractive as much as possible under the condition that the strength requirement is ensured.
In a possible implementation manner, the second bracket 200 is provided with an extending end, the extending end of the second bracket 200 is a part of the long axis of the elliptical surface of the second bracket 200 extending out of the first bracket 100, and the extending end is opposite to one side of the first bracket 100 and is parallel and level with one side of the first bracket 100 far away from the second bracket 200, so that when the second bracket 200 is attached to the panel of the first bracket 100 and is fixedly connected, the extending end is hung on the side wall of the first bracket 100, and the second bracket 200 and the first bracket 100 are fixed more stably. In addition, compared with the way that the major axis of the elliptical surface of the second bracket 200 is completely positioned in the plate surface of the first bracket 100, the stress area of the second bracket is increased, and the first bracket 100 and the second bracket 200 can be further prevented from being damaged due to pulling. Compared with the mode that the extending end of the second support 200 is just opposite to one side of the second support 200 and one side of the first support 100 close to the second support 200 are arranged in parallel and level, the stress area is increased, and the practicability of the second support 200 is improved.
As shown in fig. 1 or 4, in one possible implementation, the first bracket 100 includes a first through groove 110 and a second through groove 120, the first through groove 110 and the second through groove 120 are equal in size, the first through groove 110 and the second through groove 120 penetrate through the plate thickness of the first bracket 100, the first through groove 110 is communicated with the through hole 300, and the second through groove 120 is communicated with the through hole 300. Through the arrangement of the first through groove 110 and the second through groove 120, the overall weight of the clutch booster bracket according to the embodiment of the disclosure is reduced, and the dissipation of heat generated by the push rod of the clutch booster at the through hole can be accelerated. The body of the first through groove 110 is square (i.e., the portion of the first through groove 110 adjacent to the through hole 300 is shaped like a square), the side of the first through groove 110 away from the through hole 300 is semicircular, the body of the second through groove 120 is square (i.e., the portion of the second through groove 120 adjacent to the through hole 300 is shaped like a square), and the side of the second through groove 120 away from the through hole 300 is semicircular. A connecting line between the semicircular middle point of the first through groove 110 and the semicircular middle point of the second through groove 120 is parallel to the long axis of the second bracket 200. Therefore, the appearance shapes of the first through groove 110 and the second through groove 120 are optimized, and the clutch booster can be matched with the clutch booster.
As shown in fig. 1, fig. 2 or fig. 3, in a possible implementation manner, the clutch booster support according to the embodiment of the disclosure further includes a first support 500 and a second support 600, one side of the first support 500 is fixedly connected to a plate surface of the first support 100 close to the second support 200, and the other side of the first support 500 is fixedly connected to a side wavy sidewall of the second support 200. One side of the second support 600 is fixedly connected to the first bracket 100 near the surface of the second bracket 200, and the other side of the second support 600 is fixedly connected to the other side of the second bracket 200. The first support 500 and the second support 600 are disposed opposite to each other, and a line connecting the midpoint of the first support 500 and the midpoint of the second support 600 passes through the center point of the first bracket 100. By adding the first and second supports 500 and 600, the strength of the junction surface of the first and second brackets 100 and 200 is enhanced.
It should be noted that the first support 500 has a right-angled triangular plate shape, one right-angled surface of the first support 500 is connected to the first bracket 100, and the other right-angled surface of the first support 500 is connected to the second bracket 200. The second support 600 is in the shape of a right-angled triangular plate, the size of the second support 600 is equal to that of the first support 500, the surface of the second support 600 connected to the first support 100 corresponds to the surface of the first support 500 connected to the first support 100, and the surface of the second support 600 connected to the second support 200 corresponds to the surface of the first support 500 connected to the first support 100. Here, it should also be noted that the first supporter 500 and the second supporter 200 are disposed to be intersected with each other, and the second supporter 600 and the second supporter 200 are disposed to be intersected with each other.
In a possible implementation, first support 100 is equipped with recess 700 on the panel that faces second support 200, through, sets up recess 700 and has made things convenient for the use of this disclosure's embodiment separation and reunion booster support, and the separation and reunion booster support messenger of taking and putting can will receive and release in recess 700, can effectually prevent separation and reunion booster support from slipping in hand to the weight of separation and reunion booster support has been reduced.
It should be noted here that the main body of the groove 700 is triangular, the oblique side of the groove 700 is an arc protruding towards the inside of the triangle, and three corners of the groove 700 are provided with rounded corners. Here, it should be further noted that the opening depth of the groove 700 is not limited to ensure the strength of the groove.
In one possible implementation, the connection hole 400 includes a first connection hole 410 and a second connection hole 420, the first connection hole 410 is near one end of the long axis of the second bracket 200, and the second connection hole 420 is near the other end of the long axis of the second bracket 200. A line from the midpoint of the first connection hole 410 to the midpoint of the second connection hole 420 coincides with the major axis of the elliptical surface of the second supporter 200. The midpoint of the aperture of the perforation 300 coincides with the midpoint of the ellipsoid of the second stent 200. The centers of the first connecting hole 410, the second connecting hole 420 and the through hole 300 are arranged on the same straight line, so that the arrangement form of the first connecting hole 410, the second connecting hole 420 and the through hole 300 is more reasonable, and the clutch booster support in the embodiment of the disclosure can be mounted more easily.
Here, it should be noted that, when the second bracket 200 is provided with the protruding end, the first coupling hole 410 and the second coupling hole 420 are disposed to avoid the protruding end. Here, it should also be noted that the size of the first connection hole 410 is the same as that of the second connection hole 420 for the convenience of assembly.
In one possible implementation, the first bracket 100 has a square plate shape, and four bolt holes are provided, and the bolt holes are respectively provided at four corners of the square plate. The first bracket 100 is in a square plate shape, so that the shape of the first bracket 100 can be more matched with that of the clutch booster, and the area of the first bracket 100 can be reduced as much as possible, so that the interference between the clutch booster and the first bracket 100 is further reduced.
Further, in a possible implementation manner, four grooves 700 are provided, and the grooves 700 are provided corresponding to four corners of the first bracket 100. Through, the quantity that increases recess 700 can reach the weight of reasonable reduction first support 100, also can make further the manual work of having made things convenient for and put this disclosed embodiment separation and reunion booster support.
Here, it should be noted that the four grooves 700 are grouped in pairs, and the two groups of grooves 700 are stacked and distributed by taking a connecting line of midpoints of the first support 500 and the second support 600 as an axis. The grooves 700 are stacked and distributed with a central line of the first bracket 100 perpendicular to a midpoint connecting line of the first support 500 and the second support 600 as an axis. The sharp angles of the grooves 700 in different groups are arranged oppositely, and the included angles of the grooves 700 in the same group are arranged oppositely.
In one possible implementation, the first bracket 100 and the second bracket 200 are integrally cast. Here, it should be noted that the through-groove 300, the mounting hole 400, the first support 500, the second support 600, and the groove 700 are integrally molded with the first bracket 100 and the second bracket 200. Here, it should also be noted that the clutch booster support of the embodiment of the present disclosure is provided with a casting fillet to facilitate the drawing.
Based on any preceding clutch booster support, this disclosure still provides a vehicle. Wherein, the vehicle of this disclosed embodiment includes any one above clutch booster support. By installing any one of the above clutch booster supports between the engine and the clutch booster in the vehicle, interference between the clutch booster and the clutch booster support is prevented, thereby enabling the vehicle to operate stably.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A clutch booster support is characterized in that: the clutch booster comprises a first bracket and a second bracket, wherein the first bracket is plate-shaped, the first bracket is provided with more than two bolt holes penetrating through the plate surface of the first bracket, and the bolt holes are used for connecting the clutch booster;
the main body of the second bracket is plate-shaped, and the surface of the second bracket is oval;
the second bracket is attached to and fixedly connected with the first bracket;
the first bracket and the second bracket are arranged in a ladder shape;
the edge curve connecting two end points of the long axis on the elliptic surface of the second bracket is wavy;
the second support is provided with a through hole, the through hole penetrates through the plate surface of the second support and the plate surface of the first support, and the through hole is suitable for penetrating through a push rod of the clutch booster so as to enable the push rod to be fixedly connected with an engine;
the second support is further provided with a connecting hole, the connecting hole penetrates through the plate surface of the second support and the plate surface of the first support, and the connecting hole is used for connecting the engine.
2. The clutch booster mount of claim 1, wherein: the long axis of the elliptic surface of the second bracket extends out of the plate surface of the first bracket;
the part of the long shaft extending out of the first support is an extending end, and the extending end is opposite to one side of the first support and is flush with one side of the first support, which is far away from the second support.
3. The clutch booster mount of claim 1, wherein: the first bracket comprises a first through groove and a second through groove, and the first through groove and the second through groove penetrate through the plate surface of the first bracket;
the first through groove is communicated with the through hole, and the second through groove is communicated with the through hole;
the main body of the first through groove is square, and one side, far away from the through hole, of the first through groove is semicircular;
the main body of the second through groove is square, and one side, far away from the through hole, of the second through groove is semicircular;
the first through groove and the second through groove are equal in size;
and a connecting line between the semicircular midpoint of the first through groove and the semicircular midpoint of the second through groove is parallel to the long axis of the second support.
4. The clutch booster mount of claim 1, wherein: the support structure comprises a first support and a second support, wherein one side of the first support is fixedly connected with the plate surface of the first support close to the second support, and the other side of the first support is fixedly connected with the wavy side wall of one side of the second support;
one side of the second support is fixedly connected with the plate surface of the first support close to the second support, and the other side of the second support is fixedly connected with the wavy side wall of the other side of the second support;
the first support and the second support are oppositely arranged, and a connecting line of midpoints of the first support and the second support passes through a center point of the first support.
5. The clutch booster mount of claim 1, wherein: and a groove is arranged on a panel of the first bracket facing the second bracket.
6. The clutch booster mount of claim 1, wherein: the connecting holes comprise a first connecting hole and a second connecting hole, the first connecting hole is arranged close to one end point of the long shaft of the second support, and the second connecting hole is arranged close to the other end point of the long shaft of the second support;
a connecting line from the midpoint of the first connecting hole to the midpoint of the second connecting hole is overlapped with the long axis of the second support;
the midpoint of the perforation coincides with the midpoint of the elliptical surface of the second stent.
7. The clutch booster mount of claim 1, wherein: the first support is square plate-shaped, the bolt holes are four in number, and the bolt holes are respectively formed in four corners of the square plate.
8. The clutch booster mount of claim 5, wherein: the grooves are four and correspond to the four corners of the first support.
9. The clutch booster mount of claim 1, wherein: the first bracket and the second bracket are integrally cast.
10. A vehicle, characterized in that: comprising a clutch booster support according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921549583.8U CN210949612U (en) | 2019-09-17 | 2019-09-17 | Clutch booster support and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921549583.8U CN210949612U (en) | 2019-09-17 | 2019-09-17 | Clutch booster support and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210949612U true CN210949612U (en) | 2020-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921549583.8U Active CN210949612U (en) | 2019-09-17 | 2019-09-17 | Clutch booster support and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210949612U (en) |
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2019
- 2019-09-17 CN CN201921549583.8U patent/CN210949612U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Clutch booster bracket and vehicle with the same Effective date of registration: 20210831 Granted publication date: 20200707 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO YUYUAN NEW MATERIALS Co.,Ltd. Registration number: Y2021370010082 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220901 Granted publication date: 20200707 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO YUYUAN NEW MATERIALS Co.,Ltd. Registration number: Y2021370010082 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |