CN210687650U - Adjustable supporting device for textile machinery - Google Patents

Adjustable supporting device for textile machinery Download PDF

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Publication number
CN210687650U
CN210687650U CN201920952958.9U CN201920952958U CN210687650U CN 210687650 U CN210687650 U CN 210687650U CN 201920952958 U CN201920952958 U CN 201920952958U CN 210687650 U CN210687650 U CN 210687650U
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CN
China
Prior art keywords
supporting
upright post
limiting
textile machinery
adjustable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920952958.9U
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Chinese (zh)
Inventor
李彩红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Yuanpai Textile Technology Co Ltd
Original Assignee
Suzhou Yuanpai Textile Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Yuanpai Textile Technology Co Ltd filed Critical Suzhou Yuanpai Textile Technology Co Ltd
Priority to CN201920952958.9U priority Critical patent/CN210687650U/en
Application granted granted Critical
Publication of CN210687650U publication Critical patent/CN210687650U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the field of textile machinery, in particular to an adjustable supporting device for textile machinery, which comprises a supporting box seat, a supporting upright post and a supporting plate, wherein the bottom end of the supporting upright post extends into the supporting box seat, and the top end of the supporting upright post is fixedly provided with the supporting plate; two opposite side surfaces of the supporting upright post are respectively provided with a rack and a limiting groove, and the supporting box seat is provided with an adjusting part which is matched with the rack and is used for adjusting the telescopic length of the supporting upright post relative to the supporting box seat; the supporting box seat is also provided with a limiting part which is matched with the limiting groove and is used for supporting and fixing the supporting upright post. The embodiment of the utility model provides an utilize regulation portion adjustment support post for the flexible length of supporting box seat to the realization is to the adjustment of backup pad height, and supports fixedly through spacing support post behind the height-adjusting, with the realization to the regulation of textile machinery position height.

Description

Adjustable supporting device for textile machinery
Technical Field
The utility model relates to a textile machinery specifically is an adjustable type strutting arrangement for textile machinery.
Background
Textile machinery is the various mechanical devices required to process natural or chemical fibers into textiles.
Need use textile machinery during the weaving, use textile machinery to use textile machinery strutting arrangement, and current textile machinery strutting arrangement function is more single, and the height that textile machinery strutting arrangement can not be adjusted according to the textile machinery's of difference demand to ordinary textile machinery strutting arrangement on the existing market, has reduced weaving efficiency, in addition, need remove to textile machinery, can't be convenient again remove assigned position to textile machinery under the condition of wheel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adjustable type strutting arrangement for spinning machine to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an adjustable supporting device for textile machinery comprises a supporting box seat, a supporting upright post and a supporting plate, wherein the bottom end of the supporting upright post extends into the supporting box seat, and the top end of the supporting upright post is fixedly provided with the supporting plate;
two opposite side surfaces of the supporting upright post are respectively provided with a rack and a limiting groove, and the supporting box seat is provided with an adjusting part which is matched with the rack and is used for adjusting the telescopic length of the supporting upright post relative to the supporting box seat;
the supporting box seat is also provided with a limiting part which is matched with the limiting groove and is used for supporting and fixing the supporting upright post.
As the embodiment of the utility model provides a technical scheme's further injects, the regulating part include with rack engaged with adjusting gear and with adjusting gear fixed connection's adjustment disk, the outside of supporting box seat is arranged in to the person of facilitating the use operates the adjusting gear of regulating part, and during concrete use, it is rotatory to drive adjusting gear through manual operation adjustment disk, according to adjusting gear's direction of rotation, can promote the support post and rise the motion or reduce the motion for the supporting box seat.
As the embodiment of the utility model provides a technical scheme's further injects, spacing portion include with spacing groove matched with stopper and be used for promoting the stopper embedding spacing inslot's elastic support piece.
As a further limitation of the technical solution of the embodiment of the present invention, the elastic supporting member includes a supporting cylinder rotatably disposed in an inner cavity of the upper portion of the supporting box base, the supporting cylinder has a first elliptical cavity and a second elliptical cavity therein, the first elliptical cavity is horizontally slidably provided with a first supporting slider, the first elliptical cavity is further provided with a first compression spring, and two ends of the first compression spring are respectively connected to an inner wall of one end of the first supporting slider and an inner wall of one end of the first elliptical cavity; furthermore, the limiting block is fixedly arranged at one end of the pressure rod, and the other end of the pressure rod penetrates through the first oval cavity in a sliding manner and then is fixedly connected with the first support sliding block;
the embodiment of the utility model provides an among the elastic support piece, elastic support piece still includes the dwang, the one end of dwang slides to run through and extends to the second support slider fixed connection in the oval intracavity of second is located with horizontal slip in the oval intracavity of second, the other end fixed mounting of dwang has operating handle, the middle part of dwang is run through to slide and is located the extension board.
As a further limitation of the technical solution of the embodiment of the present invention, the limiting block has a prism structure with an inclined surface; the limiting groove is of a rectangular groove structure matched with the limiting block.
As the embodiment of the utility model provides a technical scheme's further injects, for avoiding operating handle to take place the rotation, operating handle's inside wall surface still symmetry fixed mounting has two at least spacing pin poles, spacing pin pole is pegged graft behind the pinhole of seting up on the extension board, can realize the locking to the dwang, and is further, the oval intracavity of second still is equipped with second compression spring, and second compression spring's both ends are connected with the one end inner wall in second supporting slide and the oval chamber of second respectively, and under second compression spring's spring action, can promote spacing pin pole and peg graft and set up in the pinhole on the extension board.
As the embodiment of the utility model provides a technical scheme's further injects, the bottom surface of backup pad with still be provided with the strengthening rib between the top side of support post to improve the stability of backup pad when installing on the support post top.
As the embodiment of the utility model provides a technical scheme further prescribe a limit to, support post's bottom is located with sliding from top to bottom bearing bedplate fixed connection in the supporting box seat, just guide rail groove has been seted up on the inner chamber inner wall of supporting box seat, the both ends fixed mounting of bearing bedplate have with guide rail groove sliding fit's direction slider, through mutually supporting of guide rail groove, bearing bedplate and direction slider to guarantee that support post does not take place the skew for the flexible in-process of supporting box seat.
As the embodiment of the utility model provides a technical scheme further prescribes a limit to, the bottom that supports the case seat has unable adjustment base, and unable adjustment base's lower surface four corners all is provided with the support truckle to make things convenient for this strutting arrangement's removal, and then be convenient for adjust the last textile machinery who installs of this strutting arrangement and remove the assigned position.
As the embodiment of the utility model provides a technical scheme further prescribes a limit to, when this strutting arrangement need not remove, often need keep it to be in stable state, for this reason, in this implementation, unable adjustment base's tip is still fixed and is provided with hydraulic telescoping rod, and hydraulic telescoping rod's bottom still is provided with the clutch blocks, utilizes hydraulic telescoping rod to extend to making clutch blocks and ground contact, can improve this strutting arrangement stability when need not remove.
Compared with the prior art, the embodiment of the utility model provides an among the adjustable type strutting arrangement for spinning machine, utilize the regulation part to adjust the support post for the flexible length of supporting box seat to the realization is to the adjustment of backup pad height, and supports fixedly through spacing support post after to the height-adjusting, in order to realize locating the regulation of height to spinning machine.
Specifically, the operating handle is operated and pulled outwards until the limiting pin rod is pulled out of the pin hole corresponding to the limiting pin rod, and the supporting cylinder can be driven to rotate by rotating the operating handle, so that the supporting cylinder rotates for half a turn to realize the adjustment of the orientation of the inclined surface on the limiting block;
under the elastic force action of the first compression spring, the limiting block can be pushed to be embedded into the limiting groove, when the inclined surface of the limiting block faces downwards, the top surface of the planar limiting block can play a role in supporting and fixing the support upright post so as to achieve a locking and supporting state for the support upright post after the relative position of the support upright post is adjusted, otherwise, when the inclined surface of the limiting block is adjusted to be upwards, the support upright post moves downwards under the self gravity of the textile machine or the driving action of the adjusting part, at the moment, the edge of the limiting groove slides on the inclined surface of the limiting block relatively and pushes the limiting block to be separated from the limiting groove, at the moment, the unlocking state is achieved, and the support upright post can move downwards smoothly; after the height of the supporting upright post is adjusted, the inclined surface of the limiting block in the limiting part is made to face downwards again, and then the locking and supporting of the supporting upright post can be completed;
the embodiment of the utility model provides an in, it is rotatory to drive adjusting gear through manual operation adjustment disk, according to adjusting gear's direction of rotation, can promote the support post and carry out rising motion or reduce the motion for the supporting box seat.
Drawings
In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of an adjustable supporting device for a textile machine according to this embodiment.
Fig. 2 is a schematic perspective view of a supporting box seat in the adjustable supporting device for a textile machine according to this embodiment.
Fig. 3 is an enlarged schematic view of a portion a in fig. 1.
Fig. 4 is a schematic view of an internal structure of a position-limiting portion of the adjustable supporting device for a textile machine according to the present embodiment.
Fig. 5 is a schematic external structural view of a position-limiting portion of the adjustable supporting device for a textile machine according to this embodiment.
Fig. 6 is a schematic perspective view of a support column in the adjustable support device for textile machinery according to this embodiment.
Fig. 7 is a schematic perspective view of an adjusting gear in the adjustable supporting device for a textile machine according to the present embodiment.
In the figure: 1-supporting box seat, 2-fixed base, 3-supporting upright post, 31-rack, 32-limiting groove, 4-supporting plate, 41-reinforcing rib, 5-guide rail groove, 6-bearing seat plate, 7-guide sliding block, 8-adjusting gear, 81-adjusting disk, 9-limiting block, 10-supporting cylinder, 11-pressure rod, 12-supporting plate, 13-operating handle, 14-limiting pin rod, 15-rotating rod, 16-first supporting sliding block, 17-first compression spring, 18-first oval cavity, 19-second oval cavity, 20-second supporting sliding block, 21-second compression spring, 22-hydraulic telescopic rod, 23-friction block and 24-supporting caster.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, in an embodiment provided by the present invention, an adjustable supporting device for a textile machine includes a supporting box base 1, a supporting upright 3 and a supporting plate 4, wherein a fixed base 2 is disposed at a bottom end of the supporting box base 1, a bottom end of the supporting upright 3 extends into the supporting box base 1, and the supporting plate 4 is fixedly disposed at a top end of the supporting upright 3; two opposite side surfaces of the support upright post 3 are respectively provided with a rack 31 and a limit groove 32, and the support box base 1 is provided with an adjusting part which is matched with the rack 31 and is used for adjusting the telescopic length of the support upright post 3 relative to the support box base 1; the supporting box base 1 is further provided with a limiting part which is matched with the limiting groove 32 and used for supporting and fixing the supporting upright post 3, in the embodiment, the adjusting part is used for adjusting the telescopic length of the supporting upright post 3 relative to the supporting box base 1, so that the height of the supporting plate 4 is adjusted, and the supporting upright post 3 with the adjusted height is supported and fixed through the limiting part, so that the stability of the supporting device provided by the embodiment is ensured;
in the specific use of this embodiment, the textile machine may be fixedly mounted on the supporting plate 4 in a detachable manner such as a bolt connection manner or an equivalent manner, or may be fixedly mounted on the supporting plate 4 in a non-detachable manner such as a welding manner or an equivalent manner, and this embodiment adjusts the height of the textile machine by adjusting the telescopic length of the supporting upright 3 relative to the supporting box base 1.
In this embodiment, please refer to fig. 1 and 7, the adjusting portion includes an adjusting gear 8 engaged with the rack 31 and an adjusting plate 81 fixedly connected with the adjusting gear 8, the adjusting plate 81 is disposed outside the supporting box base 1 to facilitate a user to operate the adjusting gear 8 of the adjusting portion, when in specific use, the adjusting plate 81 is manually operated to drive the adjusting gear 8 to rotate, and the supporting upright 3 can be pushed to perform a lifting motion or a lowering motion relative to the supporting box base 1 according to a rotating direction of the adjusting gear 8; it should be noted that, this embodiment only provides a manual operation mode, and the adjusting portion may also be a motor driving the adjusting gear 8 engaged with the limiting groove 32 to rotate, or other equivalent modes to realize the forward and reverse rotation of the adjusting gear 8, which are all within the protection scope of the present invention.
Further, a reinforcing rib 41 is arranged between the bottom surface of the support plate 4 and the top side surface of the support upright 3, so that the stability of the support plate 4 when being installed at the top end of the support upright 3 is improved; the bottom of support post 3 is located with sliding from top to bottom support bedplate 6 fixed connection in the support case seat 1, just guide rail groove 5 has been seted up on the inner chamber inner wall of support case seat 1, the both ends fixed mounting of support bedplate 6 with guide rail groove 5 sliding fit's guide slider 7 through guide rail groove 5, support bedplate 6 and guide slider 7 mutually support to guarantee that support post 3 does not take place the skew for the flexible in-process of support case seat 1.
Referring to fig. 1, in the embodiment of the present invention, four corners of the lower surface of the fixing base 2 are provided with supporting casters 24, so as to facilitate the movement of the supporting device, and further facilitate the adjustment of the textile machinery mounted on the supporting device to move to a designated position; when the supporting device does not need to be moved, the supporting device is often required to be kept in a stable state, for this reason, in this embodiment, the end portion of the fixing base 2 is further fixedly provided with the hydraulic telescopic rod 22, the bottom end of the hydraulic telescopic rod 22 is further provided with the friction block 23, the hydraulic telescopic rod 22 is extended to enable the friction block 23 to be in contact with the ground, and the stability of the supporting device when the supporting device does not need to be moved can be improved.
Specifically, as shown in fig. 1 to 6, the limiting portion provided by the embodiment of the present invention includes a limiting block 9 matched with the limiting groove 32 and an elastic supporting member for pushing the limiting block 9 to be embedded into the limiting groove 32, the elastic supporting member includes a supporting cylinder 10 rotatably disposed in an upper inner cavity of the supporting box base 1, a first elliptical cavity 18 and a second elliptical cavity 19 are disposed in the supporting cylinder 10, a first supporting slider 16 is disposed in the first elliptical cavity 18 in a horizontal sliding manner, a first compression spring 17 is further disposed in the first elliptical cavity 18, and two ends of the first compression spring 17 are respectively connected with an inner wall of one end of the first supporting slider 16 and an inner wall of one end of the first elliptical cavity 18; further, the limiting block 9 is fixedly mounted at one end of a pressure lever 11, and the other end of the pressure lever 11 is fixedly connected with a first support slider 16 after extending into the first elliptical cavity 18 in a sliding and penetrating manner;
in the elastic supporting member provided by the embodiment of the present invention, the elastic supporting member further includes a rotating rod 15, one end of the rotating rod 15 slidably extends into the second elliptical cavity 19 and is fixedly connected to a second supporting slider 20 horizontally slidably disposed in the second elliptical cavity 19, the other end of the rotating rod 15 is fixedly installed with an operating handle 13, and the middle portion of the rotating rod 15 is slidably disposed on the supporting plate 12; in order to avoid the autorotation of the operating handle 13, at least two limiting pin rods 14 are symmetrically and fixedly mounted on the surface of the inner side wall of the operating handle 13, the limiting pin rods 14 are inserted into pin holes formed in the support plate 12, and then the rotating rod 15 can be locked, furthermore, a second compression spring 21 is further arranged in the second elliptical cavity 19, two ends of the second compression spring 21 are respectively connected with the inner walls of the second support slider 20 and one end of the second elliptical cavity 19, and under the elastic force action of the second compression spring 21, the limiting pin rods 14 can be pushed to be inserted into the pin holes formed in the support plate 12;
the support plate 12 is fixedly arranged on one side of the top of the support box seat 1.
In the limiting part provided by the embodiment of the present invention, the limiting block 9 has a prism structure with an inclined surface; the limiting groove 32 is a rectangular groove structure matched with the limiting block 9.
According to the connection relationship among the components in the limiting part and with reference to fig. 1-6, the function of the limiting part is described as follows:
in the limiting part provided by this embodiment, the operating handle 13 is operated and pulled outwards until the limiting pin 14 is pulled out of the corresponding pin hole, the second compression spring 21 is in a compressed state at this time, and the second support slider 20 is of an elliptical structure, and the rotating operating handle 13 can drive the support cylinder 10 to rotate at this time, so that the support cylinder 10 can rotate half a turn to adjust the orientation of the inclined surface on the limiting block 9, after the adjustment is completed, the operating handle 13 is released, and the limiting pin 14 is embedded into the corresponding pin hole under the elastic force action of the second compression spring 21 in the compressed state, so that the anti-reverse fixing of the operating handle 13 is realized; in addition, in this embodiment, under the elastic force of the first compression spring 17, the limiting block 9 can be pushed to be embedded into the limiting groove 32, when the inclined surface of the limiting block 9 faces downward, the top surface of the planar limiting block 9 can support and fix the support upright post 3, so as to achieve the locking and supporting state for the support upright post 3 after the relative position of the support upright post 3 is adjusted, on the contrary, when the inclined surface of the limiting block 9 is adjusted to face upward, the support upright post 3 moves downward under the self-gravity of the textile machine or the driving action of the adjusting part, at this time, the edge of the limiting groove 32 slides on the inclined surface of the limiting block 9 relatively, and pushes the limiting block 9 to be disengaged from the limiting groove 32, at this time, the unlocking state is achieved, and the support upright post 3 can smoothly move downward; after the height of the supporting upright post 3 is adjusted, the inclined surface of the limiting block 9 in the limiting part is made to face downwards again, and then the supporting upright post 3 can be locked and supported.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The adjustable supporting device for the textile machinery is characterized by comprising a supporting box seat (1), a supporting upright post (3) and a supporting plate (4), wherein the bottom end of the supporting upright post (3) extends into the supporting box seat (1), and the top end of the supporting upright post (3) is fixedly provided with the supporting plate (4);
two opposite side surfaces of the supporting upright post (3) are respectively provided with a rack (31) and a limiting groove (32), and the supporting box base (1) is provided with an adjusting part which is matched with the rack (31) and is used for adjusting the telescopic length of the supporting upright post (3) relative to the supporting box base (1);
the supporting box seat (1) is further provided with a limiting part which is matched with the limiting groove (32) and is used for supporting and fixing the supporting upright post (3).
2. Adjustable support device for textile machines according to claim 1, characterized in that said adjustment portion comprises an adjustment gear (8) meshing with said rack (31) and an adjustment disc (81) fixedly connected to said adjustment gear (8).
3. The adjustable supporting device for textile machinery as claimed in claim 2, wherein the limiting part comprises a limiting block (9) matched with the limiting groove (32) and an elastic supporting part for pushing the limiting block (9) to be embedded into the limiting groove (32).
4. The adjustable supporting device for the textile machine is characterized in that the elastic supporting element comprises a supporting cylinder (10) rotatably arranged in an upper inner cavity of the supporting box seat (1), a first elliptical cavity (18) and a second elliptical cavity (19) are arranged in the supporting cylinder (10), a first supporting slide block (16) is arranged in the first elliptical cavity (18) in a horizontal sliding mode, a first compression spring (17) is further arranged in the first elliptical cavity (18), and two ends of the first compression spring (17) are respectively connected with the first supporting slide block (16) and one end inner wall of the first elliptical cavity (18);
the limiting block (9) is fixedly arranged at one end of a pressure lever (11), and the other end of the pressure lever (11) penetrates through the first oval cavity (18) in a sliding manner and then is fixedly connected with a first supporting sliding block (16);
still include dwang (15), the one end of dwang (15) slides to run through and extends to second support slider (20) fixed connection in second oval chamber (19) is located with horizontal slip in the second oval chamber (19) with the back, the other end fixed mounting of dwang (15) has operating handle (13), the middle part of dwang (15) runs through the slip and locates extension board (12).
5. The adjustable supporting device for textile machinery according to claim 4, wherein the limiting block (9) has a prism structure with an inclined surface;
the limiting groove (32) is of a rectangular groove structure matched with the limiting block (9).
6. The adjustable supporting device for textile machinery according to claim 4 or 5, wherein the surface of the inner side wall of the operating handle (13) is further symmetrically and fixedly provided with at least two limiting pins (14);
a second compression spring (21) is further arranged in the second elliptical cavity (19), and two ends of the second compression spring (21) are respectively connected with a second supporting slide block (20) and the inner wall of one end of the second elliptical cavity (19); the limit pin rod (14) is pushed to be inserted into the pin hole formed in the support plate (12) through the elastic force of the second compression spring (21).
7. Adjustable support device for textile machines according to any one of claims 1 to 5, characterized in that reinforcing ribs (41) are also provided between the bottom surface of the support plate (4) and the top side of the support upright (3).
8. The adjustable supporting device for textile machinery as claimed in claim 7, wherein the bottom end of the supporting upright post (3) is fixedly connected with a supporting seat plate (6) which is slidably arranged in the supporting box seat (1) up and down, a guide rail groove (5) is formed in the inner wall of the inner cavity of the supporting box seat (1), and guide sliders (7) which are slidably matched with the guide rail groove (5) are fixedly installed at two ends of the supporting seat plate (6).
9. The adjustable supporting device for textile machinery according to any one of claims 1 to 5, wherein the bottom end of the supporting box base (1) is provided with a fixed base (2), and four corners of the lower surface of the fixed base (2) are provided with supporting casters (24).
10. The adjustable supporting device for textile machinery as claimed in claim 9, wherein the end of the fixed base (2) is further fixedly provided with a hydraulic telescopic rod (22), and the bottom end of the hydraulic telescopic rod (22) is further provided with a friction block (23).
CN201920952958.9U 2019-06-24 2019-06-24 Adjustable supporting device for textile machinery Expired - Fee Related CN210687650U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920952958.9U CN210687650U (en) 2019-06-24 2019-06-24 Adjustable supporting device for textile machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920952958.9U CN210687650U (en) 2019-06-24 2019-06-24 Adjustable supporting device for textile machinery

Publications (1)

Publication Number Publication Date
CN210687650U true CN210687650U (en) 2020-06-05

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Application Number Title Priority Date Filing Date
CN201920952958.9U Expired - Fee Related CN210687650U (en) 2019-06-24 2019-06-24 Adjustable supporting device for textile machinery

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CN (1) CN210687650U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113006276A (en) * 2021-03-09 2021-06-22 商丘工学院 Steel structure beam column
CN113955007A (en) * 2021-11-23 2022-01-21 南京快轮智能科技有限公司 Locking device and application thereof in scooter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113006276A (en) * 2021-03-09 2021-06-22 商丘工学院 Steel structure beam column
CN113955007A (en) * 2021-11-23 2022-01-21 南京快轮智能科技有限公司 Locking device and application thereof in scooter
CN113955007B (en) * 2021-11-23 2022-10-21 南京快轮智能科技有限公司 Locking device and application thereof in scooter

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Granted publication date: 20200605

Termination date: 20210624