CN210618015U - Vehicle-mounted mobile phone support - Google Patents
Vehicle-mounted mobile phone support Download PDFInfo
- Publication number
- CN210618015U CN210618015U CN201921148922.1U CN201921148922U CN210618015U CN 210618015 U CN210618015 U CN 210618015U CN 201921148922 U CN201921148922 U CN 201921148922U CN 210618015 U CN210618015 U CN 210618015U
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- mobile phone
- arm
- clamping arm
- vehicle
- clamping
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Abstract
The utility model relates to a vehicle-mounted mobile phone support, which comprises a base, a clamping component and a linkage component, wherein a first clamping arm, a second clamping arm and a supporting arm are all engaged with a linkage gear, and are matched with the action of an elastic part, in the using process, a mobile phone is placed on the supporting arm, under the action of the dead weight of the mobile phone, the supporting arm moves downwards, the first clamping arm and the second clamping arm are drawn close to each other under the action of the linkage gear, at the moment, the elastic part provides elastic force which enables the first clamping arm and the second clamping arm to move in directions away from each other, and the elastic force reacts on the mobile phone according to the action principle of force, so that the mobile phone is clamped stably; when the mobile phone is taken away from the support arm, the first clamping arm and the second clamping arm are far away from each other, the support arm synchronously moves upwards under the action of the linkage gear, the mobile phone is released, the mobile phone can be operated by one hand to be placed or taken out, the operation is simple and convenient, the clamping is firm, the structure is simple and convenient, and the reliability of the product is greatly improved.
Description
Technical Field
The utility model relates to a cell phone accessory technical field especially relates to an on-vehicle cell phone stand.
Background
Along with the development of intelligent equipment, the cell-phone has become an indispensable intelligent electronic equipment in people's daily life, and the cell-phone plays the effect of lifting at all to people's trip, and people can use cell-phone navigation, make a call etc. at the driving in-process, but use the cell-phone to be extremely dangerous to the navigating mate in the driving, and belong to the category of violating relevant traffic regulations, for the security of guaranteeing to use the cell-phone in the driving in-process, adopt on-vehicle cell phone stand to assist the operation cell-phone usually.
At present, in the use process of a common vehicle-mounted mobile phone support in the market, one hand is needed to break the support, and the other hand is needed to place a mobile phone into the support, so that the use is very inconvenient, the structure is complex, and the product reliability is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an easy and simple to handle, the firm on-vehicle cell phone stand of centre gripping aims at solving the unable one-hand operation of current on-vehicle cell phone stand, uses insecurely, the low problem of product reliability.
An in-vehicle cell phone stand, comprising:
a base;
the clamping assembly comprises a first clamping arm, a second clamping arm and a supporting arm, the first clamping arm and the second clamping arm are movably arranged on two sides of the base along a first direction, and the supporting arm is movably arranged at one end of the base along a second direction perpendicular to the first direction;
the linkage assembly comprises a linkage gear and two elastic pieces, the linkage gear is rotatably arranged in the base around an axis, and the first clamping arm, the second clamping arm and the supporting arm extend into the base and are meshed with the linkage gear so as to drive the first clamping arm and the second clamping arm to approach each other when the supporting arm moves towards the direction far away from the base; two the elastic component is located in the base, and be located respectively first centre gripping arm with on the moving path of second centre gripping arm, be used for first centre gripping arm with the second centre gripping arm draws close the in-process each other provides and makes first centre gripping arm with the second centre gripping arm has the elasticity of the direction movement trend of keeping away from each other.
In one embodiment, the vehicle-mounted mobile phone support has a carrying state;
when the vehicle-mounted mobile phone support is in the object carrying state, the elastic piece is compressed, and the first clamping arm, the second clamping arm, the supporting arm and the linkage gear form a self-locking mechanism.
In one embodiment, the vehicle-mounted mobile phone support has an idle state;
when the vehicle-mounted mobile phone support is in the vacant state, the first clamping arm and the second clamping arm are separated from the corresponding elastic pieces respectively.
In one embodiment, two opposite sides of the base along a first direction are provided with first avoidance grooves corresponding to the first clamping arm and the second clamping arm;
and a second avoidance groove corresponding to the support arm is arranged at one end of the base along the second direction.
In one embodiment, the base includes a base body and a cover, the cover is disposed on the base body to form a receiving cavity, the linkage assembly is disposed in the receiving cavity, and the first avoiding groove and the second avoiding groove are both communicated with the receiving cavity.
In one embodiment, the base body is provided with two clamping blocks, the two clamping blocks are arranged on two opposite sides of the linkage gear along the first direction, the clamping blocks are provided with openings along the first direction and towards the first avoidance groove direction of the corresponding side, the elastic part is clamped on the clamping blocks along the first direction, the first clamping arm and the second clamping arm are provided with positioning blocks towards the clamping block direction of the corresponding side, and the positioning blocks are matched with the elastic part.
In one embodiment, each of the first clamping arm and the second clamping arm comprises a first moving part and a clamping part connected with the first moving part, the first moving part is meshed with the linkage gear, and the clamping part extends out of the base from the corresponding first avoidance groove;
the first moving part is provided with a first strip-shaped groove used for containing the linkage gear and the elastic piece, the first strip-shaped groove is open, a rack meshed with the linkage gear is arranged on one side wall of the first strip-shaped groove, and the positioning block is formed on the bottom wall of the first strip-shaped groove.
In one embodiment, the first moving portion is provided with a limiting protrusion, the base body is provided with a limiting portion in the first direction, and the limiting protrusion is matched with the limiting portion.
In one embodiment, the bracket arm comprises a second moving part and a bracket part connected with the second moving part, the second moving part is meshed with the linkage gear, and the bracket part extends out of the base from the second avoidance groove;
the second moving part is provided with a second strip-shaped groove used for containing the linkage gear, the second strip-shaped groove is closed, and one side wall of the second strip-shaped groove is provided with a rack meshed with the linkage gear.
In one embodiment, the cover body comprises a transparent area and a metal area surrounding the transparent area, and the transparent area is opposite to the linkage gear.
Implement the embodiment of the utility model provides a, will have following beneficial effect:
in the vehicle-mounted mobile phone support in this embodiment, the first clamping arm, the second clamping arm and the supporting arm are engaged with the linkage gear and cooperate with the elastic member. During use, the mobile phone is placed on the supporting arm, the supporting arm moves downwards under the action of the dead weight of the mobile phone, the first clamping arm and the second clamping arm are close to each other under the action of the linkage gear, the elastic piece provides elastic force which enables the first clamping arm and the second clamping arm to move towards the direction away from each other, and the elastic force acts on the mobile phone in a reaction manner according to the force action principle, so that the mobile phone is clamped stably; when the mobile phone is taken away from the support arm, the first clamping arm and the second clamping arm are far away from each other, the support arm synchronously moves upwards under the action of the linkage gear, the mobile phone is released, the mobile phone can be operated by one hand to be placed or taken out, the operation is simple and convenient, the clamping is firm, the structure is simple and convenient, and the reliability of the product is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Wherein:
FIG. 1 is a schematic view of the overall structure of a vehicle-mounted mobile phone support;
FIG. 2 is a schematic structural diagram of a vehicle-mounted mobile phone support with a cover removed;
fig. 3 is a schematic structural diagram of a first clamping arm and a second clamping arm of the vehicle-mounted mobile phone support;
fig. 4 is a schematic structural diagram of a bracket of a vehicle-mounted mobile phone support.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, a vehicle-mounted mobile phone support includes a base 10, a clamping assembly and a linkage assembly 30.
The clamping assembly comprises a first clamping arm 210, a second clamping arm 220 and a supporting arm 230, wherein the first clamping arm 210 and the second clamping arm 220 are movably arranged on two sides of the base 10 along a first direction, and the supporting arm 230 is movably arranged at one end of the base 10 along a second direction perpendicular to the first direction.
The linkage assembly 30 comprises a linkage gear 310 and two elastic pieces 320, the linkage gear 310 is rotatably arranged in the base 10 around an axis, and the first clamping arm 210, the second clamping arm 220 and the supporting arm 230 all extend into the base 10 and are engaged with the linkage gear 310 so as to drive the first clamping arm 210 and the second clamping arm 220 to be close to each other when the supporting arm 230 moves towards a direction far away from the base 10; the two elastic members 320 are disposed in the base 10 and located on the moving paths of the first clamping arm 210 and the second clamping arm 220, respectively, and are used for providing an elastic force that makes the first clamping arm 210 and the second clamping arm 220 have a tendency of moving away from each other when the first clamping arm 210 and the second clamping arm 220 are drawn together.
The first clamping arm 210, the second clamping arm 220 and the supporting arm 230 are engaged with the linkage gear 310 and act in cooperation with the elastic member 320. In the using process, the mobile phone is placed on the supporting arm 230, the supporting arm 230 moves downwards under the action of the self weight of the mobile phone, the first clamping arm 210 and the second clamping arm 220 are close to each other under the action of the linkage gear 310, at the moment, the elastic piece 320 provides elastic force which enables the first clamping arm 210 and the second clamping arm 220 to move towards the direction away from each other, and the elastic force acts on the mobile phone in a reaction manner according to the force action principle, so that the mobile phone is clamped stably; when the mobile phone is taken away from the support arm 230, the first clamping arm 210 and the second clamping arm 220 are far away from each other, the support arm 230 synchronously moves upwards under the action of the linkage gear 310, the mobile phone is released, the mobile phone can be operated by one hand to be placed or taken out, the operation is simple and convenient, the clamping is firm, the structure is simple and convenient, and the reliability of the product is greatly improved.
When the vehicle-mounted mobile phone support is in a use state, as shown in fig. 2, the first direction is a horizontal direction, and the second direction is a vertical direction.
In one embodiment, the vehicle-mounted mobile phone support has a loading state, when the vehicle-mounted mobile phone support is in the loading state, the elastic member 320 is compressed, and the first clamping arm 210, the second clamping arm 220, the bracket arm 230 and the linkage gear 310 form a self-locking mechanism. Therefore, when the mobile phone is placed on the vehicle-mounted mobile phone support, the first clamping arm 210 and the second clamping arm 220 respectively compress the elastic piece 320 on the corresponding side, so that the first clamping arm 210, the second clamping arm 220 and the support arm 230 clamp and lock the mobile phone, the situation that the mobile phone cannot be clamped due to shaking of the vehicle in the vehicle walking process of the vehicle-mounted mobile phone support is avoided, and the safety of using the vehicle-mounted mobile phone support in the driving process is guaranteed.
In one embodiment, the vehicle-mounted mobile phone holder has an idle state, and when the vehicle-mounted mobile phone holder is in the idle state, the first clamping arm 210 and the second clamping arm 220 are separated from the corresponding elastic members 320 respectively. So, the elastic component 320 is in the compression state only when the vehicle-mounted mobile phone support is in the loading state, and when no object is placed on the vehicle-mounted mobile phone support, the elastic component 320 is in the free state, which is beneficial to prolonging the service life of the elastic component 320, so that the service life of the vehicle-mounted mobile phone support is longer.
In one embodiment, the base 10 is provided with first avoidance grooves 110 corresponding to the first and second holding arms 210 and 220 on opposite sides in the first direction; one end of the base 10 along the second direction is provided with a second avoidance groove 120 corresponding to the bracket arm 230. Thus, the first clamping arm 210, the second clamping arm 220 and the bracket arm 230 can be ensured to smoothly reciprocate. Further, the base 10 includes a base body 130 and a cover 140, the cover 140 is disposed on the base body 130 to form a receiving cavity, the linkage assembly 30 is disposed in the receiving cavity, and the first avoiding groove 110 and the second avoiding groove 120 are both communicated with the receiving cavity. Thus, the cover body 140 reasonably protects the linkage assembly 30 and the clamping assembly, and the integrity of the product is ensured.
In one embodiment, two clamping blocks 132 are disposed on the base body 130, the two clamping blocks 132 are disposed on two opposite sides of the linkage gear 310 along the first direction, the clamping blocks 132 are disposed with openings along the first direction and toward the first avoiding groove 110 of the corresponding side, the elastic member 320 is clamped on the clamping blocks 132 along the first direction, the positioning blocks 240 are disposed on the first clamping arm 210 and the second clamping arm 220 toward the clamping blocks 132 of the corresponding side, and the positioning blocks 240 are engaged with the elastic member 320. Thus, when the elastic element 320 is clamped in the clamping block 132, and the first clamping arm 210 and the second clamping arm 220 are moved toward each other, the positioning block 240 presses the elastic element 320, so that the elastic element 320 is in a compressed state, and further, the elastic force acts on the mobile phone through the first clamping arm 210 and the second clamping arm 220, thereby locking the mobile phone. In the embodiment, the positioning block 240 is U-shaped, one end of the elastic element 320 extends out of the opening, the positioning block 240 is detachably engaged with the elastic element 320, and the positioning block 240 is separated from the elastic element 320 when the first clamping arm 210 and the second clamping arm 220 are away from each other, thereby saving cost and simplifying structure. The elastic member 320 may employ a spring. In other embodiments, the positioning block 240 and the elastic element 320 may also be always connected, so that when the vehicle-mounted mobile phone holder is in the loading state, the elastic element 320 may provide an elastic force that tends to move the first holding arm 210 and the second holding arm 220 away from each other.
In one embodiment, each of the first and second holding arms 210 and 220 includes a first moving portion 250 and a holding portion 260 connected to the first moving portion 250, the first moving portion 250 is engaged with the linkage gear 310, and the holding portion 260 extends out of the base 10 from the corresponding first avoiding groove 110; the first moving portion 250 is provided with a first bar-shaped groove 252 for accommodating the linkage gear 310 and the elastic member 320, the first bar-shaped groove 252 is open, a rack engaged with the linkage gear 310 is disposed on a side wall of the first bar-shaped groove 252, and the positioning block 240 is formed on a bottom wall of the first bar-shaped groove 252. In the installation process, the rack of the first moving part 250 is engaged with the joint gear, the clamping part 260 extends out of the left side and the right side of the base 10 from the first avoiding groove 110, and the first strip-shaped groove 252 of the first moving part 250 is open, so that the first moving part 250 of the first clamping arm 210 and the second moving part 232 of the second clamping arm 220 are installed on the two opposite sides of the linkage gear 310, the respective walking paths are not interfered, the installation space is saved, the structure is simple, and the installation is convenient.
Specifically, as shown in fig. 2, the rack of the first bar-shaped groove 252 of the first clamping arm 210 and the rack of the first bar-shaped groove 252 of the second clamping arm 220 are respectively located at the upper side and the lower side of the joint gear, so that the space of the accommodating cavity is saved. Further, the clamping part 260 is provided with a strip-shaped hole, so that the contact area with the back of the mobile phone is reduced, the friction resistance is reduced, and the convenience of placing and taking out the mobile phone is improved on the premise of ensuring the stability of clamping the mobile phone.
In one embodiment, the first moving portion 250 is provided with a limiting protrusion 254, the base body 130 is provided with a limiting portion 134 in the first direction, and the limiting protrusion 254 is engaged with the limiting portion 134. Thus, when the first clamping arm 210 and the second clamping arm 220 are away from each other to the maximum path, the limiting protrusion 254 abuts against the limiting portion 134 to limit the first clamping arm 210 and the second clamping arm 220.
In one embodiment, the bracket 230 includes a second moving portion 232 and a bracket 234 connected to the second moving portion 232, the second moving portion 232 is engaged with the linkage gear 310, and the bracket 234 extends out of the base 10 from the second avoiding groove 120; the second moving portion 232 is provided with a second bar-shaped groove 2320 for accommodating the linkage gear 310, the second bar-shaped groove 2320 is closed, and a side wall of the second bar-shaped groove 2320 is provided with a rack engaged with the linkage gear 310.
In the installation process, the rack of the second moving portion 232 is engaged with the linkage gear 310, the supporting portion 234 extends out of the lower end of the base 10 from the second avoiding groove 120, and the second bar-shaped groove 2320 of the second moving portion 232 is closed, so that the traveling path of the second moving portion 232 is limited, that is, when the supporting arm 230 moves downwards to the maximum path, the top wall of the second bar-shaped groove 2320 of the second moving portion 232 abuts against the linkage gear 310, so that the supporting arm 230 is limited, no additional component is needed, and the structure is simple.
Further, in order to ensure the reliability of the up-and-down movement of the supporting arm 230, a guide plate may be further added to the base body 130, the guide plate is formed with a guide groove, and the second moving portion 232 may be installed in the guide groove in an up-and-down movement manner.
In one embodiment, the cover 140 includes a transparent region 142 and a metal region 144 surrounding the transparent region 142, and the transparent region 142 faces the linking gear 310. Therefore, the linkage gear 310 and related parts are visual, and the appearance aesthetic feeling of the vehicle-mounted mobile phone support is improved. The transparent area 142 may be made of a visible material such as glass or transparent drill. Further, the first clamping arm 210, the second clamping arm 220 and the support arm 230 can be manufactured by an aluminum alloy oxidation process, so that the overall texture is improved, and different color requirements are met.
In one embodiment, the back of the base body 130 is provided with a flexible buckle for clamping a vehicle, and particularly, a silica gel buckle can be adopted, so that automobile parts are effectively protected, and the installation is more stable and reliable.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides an on-vehicle cell phone stand which characterized in that includes:
a base;
the clamping assembly comprises a first clamping arm, a second clamping arm and a supporting arm, the first clamping arm and the second clamping arm are movably arranged on two sides of the base along a first direction, and the supporting arm is movably arranged at one end of the base along a second direction perpendicular to the first direction;
the linkage assembly comprises a linkage gear and two elastic pieces, the linkage gear is rotatably arranged in the base around an axis, and the first clamping arm, the second clamping arm and the supporting arm extend into the base and are meshed with the linkage gear so as to drive the first clamping arm and the second clamping arm to approach each other when the supporting arm moves towards the direction far away from the base; two the elastic component is located in the base, and be located respectively first centre gripping arm with on the moving path of second centre gripping arm, be used for first centre gripping arm with the second centre gripping arm draws close the in-process each other provides and makes first centre gripping arm with the second centre gripping arm has the elasticity of the direction movement trend of keeping away from each other.
2. The vehicle-mounted mobile phone support according to claim 1, wherein the vehicle-mounted mobile phone support has a carrying state;
when the vehicle-mounted mobile phone support is in the object carrying state, the elastic piece is compressed, and the first clamping arm, the second clamping arm, the supporting arm and the linkage gear form a self-locking mechanism.
3. The vehicle-mounted mobile phone holder according to claim 1 or 2, wherein the vehicle-mounted mobile phone holder has an empty state;
when the vehicle-mounted mobile phone support is in the vacant state, the first clamping arm and the second clamping arm are separated from the corresponding elastic pieces respectively.
4. The vehicle-mounted mobile phone support according to claim 1 or 2, wherein first avoidance grooves corresponding to the first clamping arm and the second clamping arm are formed in two opposite sides of the base along a first direction;
and a second avoidance groove corresponding to the support arm is arranged at one end of the base along the second direction.
5. The vehicle-mounted mobile phone support according to claim 4, wherein the base includes a base body and a cover, the cover is disposed on the base body to form a receiving cavity, the linkage assembly is disposed in the receiving cavity, and the first avoiding groove and the second avoiding groove are both communicated with the receiving cavity.
6. The vehicle-mounted mobile phone support according to claim 5, wherein two fixture blocks are disposed on the base body, the two fixture blocks are disposed on two opposite sides of the linkage gear along the first direction, the fixture block is provided with an opening along the first direction and toward the first avoiding groove on the corresponding side, the elastic member is clamped on the fixture block along the first direction, positioning blocks are disposed on the first clamping arm and the second clamping arm in the directions of the fixture blocks on the corresponding sides, and the positioning blocks are engaged with the elastic member.
7. The vehicle-mounted mobile phone support according to claim 6, wherein the first clamping arm and the second clamping arm each comprise a first moving portion and a clamping portion connected with the first moving portion, the first moving portion is engaged with the linkage gear, and the clamping portions extend out of the base from the corresponding first avoiding grooves;
the first moving part is provided with a first strip-shaped groove used for containing the linkage gear and the elastic piece, the first strip-shaped groove is open, a rack meshed with the linkage gear is arranged on one side wall of the first strip-shaped groove, and the positioning block is formed on the bottom wall of the first strip-shaped groove.
8. The vehicle-mounted mobile phone support according to claim 7, wherein the first moving portion is provided with a limiting protrusion, the base body is provided with a limiting portion in the first direction, and the limiting protrusion is engaged with the limiting portion.
9. The vehicle-mounted mobile phone support according to claim 5, wherein the supporting arm comprises a second moving portion and a supporting portion connected with the second moving portion, the second moving portion is meshed with the linkage gear, and the supporting portion extends out of the base from the second avoiding groove;
the second moving part is provided with a second strip-shaped groove used for containing the linkage gear, the second strip-shaped groove is closed, and one side wall of the second strip-shaped groove is provided with a rack meshed with the linkage gear.
10. The vehicle-mounted mobile phone support according to claim 5, wherein the cover body comprises a transparent area and a metal area surrounding the transparent area, and the transparent area faces the linkage gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921148922.1U CN210618015U (en) | 2019-07-22 | 2019-07-22 | Vehicle-mounted mobile phone support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921148922.1U CN210618015U (en) | 2019-07-22 | 2019-07-22 | Vehicle-mounted mobile phone support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210618015U true CN210618015U (en) | 2020-05-26 |
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ID=70754270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921148922.1U Expired - Fee Related CN210618015U (en) | 2019-07-22 | 2019-07-22 | Vehicle-mounted mobile phone support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210618015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045587A (en) * | 2020-08-13 | 2020-12-08 | 上海安费诺永亿通讯电子有限公司 | Multidimensional linkage control clamp utilizing wedge-shaped structure |
| CN115232956A (en) * | 2022-07-22 | 2022-10-25 | 江西云泰铜业有限公司 | Electrical heating bell-type annealing furnace capable of resisting impact and used for brass production |
-
2019
- 2019-07-22 CN CN201921148922.1U patent/CN210618015U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045587A (en) * | 2020-08-13 | 2020-12-08 | 上海安费诺永亿通讯电子有限公司 | Multidimensional linkage control clamp utilizing wedge-shaped structure |
| CN112045587B (en) * | 2020-08-13 | 2021-11-16 | 上海安费诺永亿通讯电子有限公司 | Multidimensional linkage control clamp utilizing wedge-shaped structure |
| CN115232956A (en) * | 2022-07-22 | 2022-10-25 | 江西云泰铜业有限公司 | Electrical heating bell-type annealing furnace capable of resisting impact and used for brass production |
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Granted publication date: 20200526 Termination date: 20210722 |