CN215474105U - White board - Google Patents

White board Download PDF

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Publication number
CN215474105U
CN215474105U CN202120824035.2U CN202120824035U CN215474105U CN 215474105 U CN215474105 U CN 215474105U CN 202120824035 U CN202120824035 U CN 202120824035U CN 215474105 U CN215474105 U CN 215474105U
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China
Prior art keywords
pipe body
straight
hole
pipe
slot
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CN202120824035.2U
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Chinese (zh)
Inventor
魏东阳
许进平
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Xiamen Shengchengxin Technology Co ltd
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Xiamen Shengchengxin Technology Co ltd
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Priority to CN202120824035.2U priority Critical patent/CN215474105U/en
Priority to US17/356,577 priority patent/US11445826B2/en
Application granted granted Critical
Publication of CN215474105U publication Critical patent/CN215474105U/en
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Abstract

The utility model discloses a white board, which comprises a white board bracket, wherein the white board bracket comprises: the support rod comprises two support rods which are arranged in parallel, wherein each support rod is provided with a first pipe body and a second pipe body from top to bottom respectively, the first pipe body is a straight pipe body, the second pipe body is a T-shaped pipe formed by two straight pipe bodies which are vertical to each other, an insertion block is additionally arranged at one end, close to a straight pipe section of the second pipe body, of the first pipe body, the insertion block is inserted into an inner cavity of the straight pipe section of the second pipe body, the straight pipe section of the second pipe body and the first pipe body are preliminarily fixed to each other through a first bolt, and a positioning plane is formed at least on the inner side of an adjacent position at the splicing position; and two ends of the first cross rod respectively support and are fixedly locked on a positioning plane formed by mutually splicing the straight rod sections of the first pipe body and the second pipe body, so that the two support rods and the first cross rod form a stable and upright white board support.

Description

White board
Technical Field
The utility model relates to the technical field of stationery, in particular to a white board convenient for logistics transportation.
Background
A whiteboard is a rewritable writing instrument, and is generally used for meeting discussion or event keeping in offices. The existing whiteboard comprises a whiteboard body, a whiteboard support and trundles, wherein the whiteboard support comprises two supporting rods, a base and a cross rod stretching between two upright posts, the whiteboard body is arranged between the two supporting rods, and the trundles are arranged on the base.
The bracing piece of current blank support is the integrative component of making by an iron pipe usually, length is longer, it is higher when user's height, the user generally can the selective purchase the longer bracing piece of length, so that the plate body can be placed and be convenient for write with the user at almost the height, and the blank is when carrying out the commodity circulation transportation, the height of its commodity circulation transportation's cost often becomes positive correlation with the shared packing cupboard space size of its packing material, the length of bracing piece is longer more promptly, then the whole volume of packing material is just bigger, will lead to the further increase of commodity circulation cost.
In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.
Disclosure of Invention
The first purpose of the utility model is to provide a whiteboard which has a simple structure, is convenient to disassemble and assemble and is convenient for logistics transportation.
A second object of the present invention is to provide a whiteboard in which the angle of the board body can be fixed.
A third object of the present invention is to provide a whiteboard with a height-adjustable board body.
In order to achieve the first object, the present invention discloses a whiteboard, comprising a whiteboard bracket and a board body, wherein the whiteboard bracket comprises:
the support rod comprises two support rods which are arranged in parallel, each support rod is provided with at least one first pipe body and one second pipe body from top to bottom respectively, the first pipe body is a straight pipe body, the second pipe body is a T-shaped pipe formed by two straight pipe bodies which are vertical to each other, the inner cavities of the first pipe body and the second pipe body are hollow, an insertion block is additionally arranged on the straight pipe section which is close to the second pipe body of the first pipe body, a first threaded hole is formed in one end, far away from the first pipe body, of the insertion block, the insertion block is inserted into the inner cavity of the straight pipe section of the second pipe body, a first through hole is formed in the outer side end face of the straight pipe section of the second pipe body, corresponding to the first threaded hole, a first bolt penetrates through the first through hole and is in threaded connection with the first threaded hole, the straight pipe section of the second pipe body and the first pipe body are mutually preliminarily fixed, and a positioning plane is formed on at least the inner side end face of the adjacent position of the joint of the straight pipe sections of the first pipe body and the second pipe body, the first pipe body is provided with a through first fixing hole in the direction vertical to the positioning plane, the second pipe body is provided with a through second fixing hole in the direction vertical to the positioning plane, and the insertion block is provided with a third fixing hole in the position corresponding to the second fixing hole;
the first cross rod is fixedly provided with a connecting piece inside each of two ends of the first cross rod, the connecting piece is provided with a first connecting hole and a second connecting hole, and the first connecting hole and the second connecting hole are opposite to the first fixing hole and the second fixing hole respectively;
the two second bolts respectively penetrate through the first fixing hole from outside to inside and are screwed and locked in the first connecting hole; the two third bolts sequentially penetrate through the second fixing hole and the third fixing hole from outside to inside respectively and are in threaded connection and locked in the second connecting hole, so that two ends of the first cross rod respectively abut against and are locked in a positioning plane formed by mutually splicing straight rod sections of the first pipe body and the second pipe body, the straight rod sections of the first pipe body and the second pipe body are rigidly connected to form a supporting rod, and finally the two supporting rods and the first cross rod form a whiteboard support capable of being stably erected;
the plate body is arranged between the two support rods.
Adopt above-mentioned structure, because the bracing piece of blank adopts split type design, the length of the bracing piece that can greatly reduced, be convenient for reduce the packing volume, thereby reduce commodity circulation cost of transportation, simultaneously owing to add the grafting piece in first body, the straight pole section intracavity of second body is arranged in to the grafting piece of utilizing first body, and fix in the first threaded hole of grafting piece through first bolt locking, thereby realize the preliminary fixed between first body and the straight pole section of second body, convenient follow-up first body and the mutual spiro union lock solid of first horizontal pole through the second bolt, through the straight pole section of third bolt with the second body and the mutual spiro union lock solid of first horizontal pole, make and form the stable bracing piece of rigid connection between first body and the second body.
Furthermore, mutual seamless concatenation between the straight pole section of second body and the first body, the outline of the straight pole section of the outline of first body and second body matches promptly, makes the bracing piece after the concatenation have comparatively regular outward appearance, and pleasing to the eye degree is higher.
Further, the outside end face of the straight pole section of first body and second body has a butt plane, the butt plane is parallel to each other with the locating plane, and the contact is supported with the butt plane completely to the setting of butt plane, makes the end cap inboard of two bolts and butt plane support the contact completely, makes the connection between two bracing pieces and the first horizontal pole more stable to make the blank more stable.
Furthermore, a flange is additionally arranged at one end, adjacent to the first pipe body, of the straight rod section of the second pipe body, and the flange is inserted into the inner cavity of the first pipe body and forms transition fit with the inner cavity of the first pipe body.
So set up, through the location cooperation between the flange of second body and the first body inner chamber, be convenient for follow-up the splicing between the splicing block of first body and the second body to it is more stable to make to be connected between the straight pole section of first body and second body.
In order to achieve the second object, the whiteboard disclosed by the utility model further comprises a second cross bar and a limiting device, wherein the second cross bar is detachably and fixedly connected between the two supporting rods, the second cross bar is positioned between the board body and the first cross bar, the limiting device is arranged in the middle of the second cross bar and is used for being clamped with the board body, the limiting device has downward elastic allowance, and the board body is rotatably arranged between the two supporting rods.
By adopting the structure, the limiting device is pressed downwards to separate the limiting device from the plate body, and the plate body can be rotated to a proper angle; and when the pressing limiting device is loosened, the limiting device moves upwards under the action of elastic restoring force and is clamped with the plate body, so that the angle of the plate body is fixed.
In order to achieve the third purpose, the whiteboard disclosed by the utility model further comprises two limiting columns, wherein a frame is arranged around the board body, and the two limiting columns are respectively and fixedly arranged on two sides of the frame of the board body; every the bracing piece is equipped with two first slots and the second slot that have the difference in height at least in one side towards the plate body, spacing post is optionally inserted and is arranged in first slot and second slot in, realizes the pivot connection between plate body and the blank support, every first body is equipped with two intervals in the below that is located aforementioned first slot and second slot and is the lockhole group of H, and every lockhole group includes two at least lockholes that set up side by side along vertical direction, the lockhole group is used for fixed second horizontal pole, makes the second horizontal pole fixed with the distance of plate body bottom.
By adopting the structure, the height of the plate body can be adjusted due to the at least two slots arranged on the supporting rod. Meanwhile, when the whiteboard is installed, the connection between the board body and the whiteboard bracket can be realized only by inserting the limiting columns into the first slot or the second slot, and the installation is simple.
Furthermore, the free end of the limiting column is provided with an annular groove, the first slot is arranged at the top end of the supporting rod and is a first straight slot, the upper end of the first straight slot is open, and the lower end of the first straight slot is provided with an arc surface tangent to the annular groove; the second slot is arranged below the first slot and comprises an inserting hole and a second straight groove, the upper end of the second straight groove is communicated with the inserting hole, the lower end of the second straight groove is provided with an arc surface tangent to the annular groove, the diameter D1 of the inserting hole is larger than the diameter D2 of the limiting column, the width of the first straight groove and the width of the second straight groove are W, and the diameter D3 of the annular groove is smaller than the diameter D2 of the limiting column.
The clamping plate is a flat plate, a second threaded hole is formed in the middle of the clamping plate, a plurality of second through holes are formed in two sides of the clamping plate, and each screw penetrates through the corresponding second through hole and is in threaded connection with the frame of the plate body, so that the clamping plate is fixed on the frame; the limiting column is provided with an axial through hole, penetrates through the axial through hole through a fourth bolt and is in threaded connection with the second threaded hole, and the limiting column is fixedly connected to the frame.
Drawings
The detailed description, given as a non-limiting example, better explains what the utility model includes and can be implemented, and moreover, refers to the accompanying drawings, in which:
fig. 1 is a partially exploded view of a whiteboard of the present invention;
fig. 2 is a combination view of a whiteboard of the present invention;
FIG. 3 is a schematic view of the plate body of the present invention at different heights;
FIG. 4 is an enlarged view of portion A of FIG. 1;
FIG. 5 is a longitudinal cross-sectional view of the combination of FIG. 4;
FIG. 6 is an enlarged view of portion B of FIG. 1;
FIG. 7 is a longitudinal cross-sectional view of the spacing post of the present invention mounted to a frame;
FIG. 8 is an enlarged view of section C of FIG. 1;
FIG. 9 is an enlarged view of section D of FIG. 1;
FIG. 10 is an exploded view of the spacing device of the present invention;
fig. 11 is a combination view of the spacing device of the present invention.
Description of the figures
Whiteboard support 10
Plate body 20 and frame 201
The support rod 1, the first pipe body 1a, the first fixing hole 11a, the first pipe body inner cavity 12a, the insertion block 13a, the first threaded hole 131a, the third fixing hole 132a, the second pipe body 1b, the second fixing hole 11b, the straight rod section inner cavity 12b of the second pipe body, the flange 13b, the first through hole 14b, the first slot 15a, the second slot 15b, the first straight groove 151, the arc surface 152, the insertion hole 153, the second straight groove 154, the lock hole group 16, the lock hole 161
First cross bar 2, connecting piece 3, first connecting hole 31 and second connecting hole 32
Second bolt 5a, third bolt 5b, fourth bolt 5c
The first screw bolt 6 is provided with a screw hole,
the limiting column 7, the annular groove 71, the axial through hole 72, the clamping plate 73, the second threaded hole 731, the second through hole 732 and the screw 74
Second cross bar 8
Stop device 9, base 91, open end 911, connecting portion 92, path end 921, path end 922, joint seat 93, draw-in groove 931, spring 94, spring holder 95
The universal wheel 30, the positioning plane P1, and the contact plane P2.
Detailed Description
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 present application, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The utility model is described in detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 to 11, the present invention discloses a whiteboard, comprising a whiteboard bracket 10, a board body 20 and a plurality of bolts 5, wherein the whiteboard bracket 10 comprises two support bars 1 and a first cross bar 2 arranged in parallel, two universal wheels 30 are provided at the bottom of each support bar 1, and locking devices are provided on the universal wheels 30.
Each support rod 1 is provided with at least one first tube 1a and one second tube 1b from top to bottom, and in the present embodiment, the first tube 1a is provided as one, but is not limited thereto. The first pipe body 1a is a straight pipe body, the second pipe body 1b is a T-shaped pipe formed by two straight pipe bodies which are perpendicular to each other, and the inner cavities of the first pipe body 1a and the second pipe body 1b are hollow. The first pipe body 1a is additionally provided with an insertion block 13a at one end of a straight rod section adjacent to the second pipe body 1b, one end of the insertion block 13a far away from the first pipe body 1a is provided with a first threaded hole 131a, the insertion block 13a is inserted into an inner cavity 12b of the straight rod section of the second pipe body 1b, a first through hole 14b is formed in the position, opposite to the first threaded hole 131a, of the outer end face of the straight rod section of the second pipe body 1b, and a first bolt 6 penetrates through the first through hole 14a and is in threaded connection with the first threaded hole 131a, so that the straight rod section of the second pipe body 1b and the first pipe body 1a are mutually preliminarily fixed. Preferably, a flange 13b is additionally arranged at one end of the straight rod section of the second pipe body 1b, which is adjacent to the first pipe body 1a, the flange 13b is inserted into the first pipe body inner cavity 12a and forms transition fit with the first pipe body inner cavity 12a, and through the positioning fit between the flange 13b of the second pipe body 1b and the first pipe body inner cavity 12a, the subsequent assembly between the insertion block 13a of the first pipe body 1a and the second pipe body 1b is facilitated, and the connection between the straight rod sections of the first pipe body 1a and the second pipe body 1b is more stable. A positioning plane P1 is formed at least on the inner side end face of the adjacent position of the joint of the straight rod sections of the first and second tubes 1a and 1b, and the outer side end face of the straight rod sections of the first and second tubes 1a and 1b is provided with an abutting plane P2 at the position opposite to the positioning plane P1, wherein the abutting plane P2 is parallel to the positioning plane P1; the first pipe 1a has a first fixing hole 11a penetrating therethrough in a direction perpendicular to the positioning plane P1, the second pipe 1b has a second fixing hole 11b penetrating therethrough in a direction perpendicular to the positioning plane P1, and the insertion block 13a has a third fixing hole 132a at a position opposite to the second fixing hole 11 b.
As shown in fig. 1, a connecting piece 3 is fixedly arranged inside each of two ends of the first cross bar 2, the connecting piece 3 is provided with a first connecting hole 31 and a second connecting hole 32, the first connecting hole 31 and the second connecting hole 32 are respectively opposite to the positions of the first fixing hole 11a and the second fixing hole 11b, the first connecting hole 31 is screwed and locked in the first connecting hole 31 by passing the two second bolts 5a through the first fixing hole 11a from outside to inside respectively, the second fixing hole 11b and the third fixing hole 132a are sequentially passed through from the abutting plane P2 to the positioning plane P1 by passing the two third bolts 5b through the abutting plane P2 respectively, and the second connecting hole 32 is screwed and locked in the second connecting hole 32, because the abutting plane P2 is a plane, the inner end faces of the end caps of the second bolts 5a and the third bolts 5b are abutted against and supported, and the positioning plane P1 is a plane, the connecting piece 3 of the first cross bar 2 is also abutted against and supported, the two ends of the first cross bar 2 are respectively abutted against and locked to the positioning plane P1 formed by splicing the straight bar sections of the first tube 1a and the second tube 1b, so that the straight bar sections of the first tube 1a and the second tube 1b are rigidly connected to form the support bar 1, as shown in fig. 2, finally the two support bars 1 and the first cross bar 2 form a whiteboard support 10 which can be stably erected, and the plate body 20 is arranged between the two support bars 1.
As shown in fig. 2 and fig. 3, preferably, the straight rod section of the second tube 1b is connected to the first tube 1a in a seamless manner, that is, the outer contour of the first tube 1a is matched with the outer contour of the straight rod section of the second tube 1b, so that the spliced support rod 1 has a more regular appearance and a better aesthetic appearance.
Of course, the number of the first tube 1a of each support rod 1 may be multiple, and the rigid connection between the first tubes 1a may refer to the rigid connection between the straight rod segments of the first tube 1a and the second tube 1b, which will not be described herein again.
The utility model also discloses a height-adjustable whiteboard, which further comprises two limiting columns 7, two clamping plates 73 and a plurality of screws 74, as shown in fig. 2, 3, 6 and 7, the board body 20 is arranged between the two supporting rods 1, a frame 201 is arranged around the board body 20, the two limiting columns 7 are respectively and fixedly arranged on two sides of the frame 201 through the clamping plates 73, specifically, the clamping plates 73 are flat plates, a second threaded hole 731 is arranged in the middle of the clamping plates 73, a plurality of second through holes 732 are arranged on two sides of the clamping plates, each screw 74 penetrates through the corresponding second through hole 732 to fix the clamping plates 73 on the frame 201, each limiting column 7 is provided with an axial through hole 72, and a fourth bolt 5c penetrates through the axial through hole 72 and is screwed in the second threaded hole 731 to fix the limiting column 7 on the frame 201.
As shown in fig. 6 to 9, the free end of the limiting column 7 has an annular groove 71, each support rod 1 has at least two first slots 15a and second slots 15b with a height difference on a side facing the board body 20, and the limiting column 7 is selectively inserted into the first slot 15a and the second slot 15b to realize the pivotal connection between the board body 20 and the whiteboard bracket 10. The first slot 15a is disposed at the top end of the support rod 1, the first slot 15a is a first straight groove 151, the upper end thereof is open, and the lower end thereof is provided with an arc surface 152 tangent to the annular groove 71. The second slot 15b is disposed below the first slot 15a, the second slot 15b includes an insertion hole 153 and a second straight slot 154, the upper end of the second straight slot 154 is communicated with the insertion hole 153, the lower end of the second straight slot 154 has an arc surface 152 tangent to the circular groove 71, the diameter D1 of the insertion hole 153 is larger than the diameter D2 of the position-limiting post 7, meanwhile, the first straight slot 151 and the second straight slot 154 have a width W, the diameter D3 of the circular groove 71 is larger than the diameter D2 of the position-limiting post 7, when the position-limiting post 7 is inserted into the first slot 15a and the second slot 15b, the edges of the first slot 15a and the second slot 15b are clamped with the circular groove 71, and the circular groove 71 is tangent to the arc surface 152, so that the position-limiting post 7 cannot be easily separated from the first slot 15a and the second slot 15b, and the operation is simple.
As shown in fig. 1, when the plate body 20 is installed, only the limiting posts 7 need to be clamped into the first slot 15a and the second slot 15b, the installation mode is simple, and meanwhile, the plate body 20 can be adjusted in height due to the fact that the first slot 15a and the second slot 15b are different in height, so that the plate body is suitable for people with different heights, and the applicability is wide.
Further, a second cross bar 8 is further included, and the second cross bar 8 is arranged between the plate body 20 and the first cross bar 2. As shown in fig. 9, two keyhole sets 16 with a distance H are disposed below the first slot 15a and the second slot 15b of the first tube body 1a, each keyhole set includes at least two keyholes 161 arranged side by side along the vertical direction, the connecting pieces 3 are respectively fixedly connected to the inner portions of the two ends of the second cross bar 8, and the second cross bar 8 is detachably and fixedly connected between the two support rods 1 and fixed to the bottom ends of the plate bodies 20 by passing through the keyholes 161 through two fifth bolts 5d and being locked to the first connecting hole 31 and the second connecting hole 32.
The utility model further discloses a whiteboard with a fixable board angle, which further comprises a limiting device 9, wherein the limiting device 9 is arranged in the middle of the second cross bar 8 and used for being clamped with the board 20, and specifically, as shown in fig. 10 and 11, the limiting device 9 comprises a base 91, a connecting part 92, a clamping seat 93, a spring 94 and a spring seat 95. The connecting portion 92 has a small diameter end 921 and a large diameter end 922 from top to bottom. The inner cavity of the base 91 is hollow, and the top of the base 91 is provided with an open end 911; the spring seat 95 and the connecting portion 92 penetrate through the inner cavity of the base 91 from bottom to top, the spring seat 95 is fixedly connected to the bottom end of the base 91, and the small-diameter end 921 of the connecting portion 92 extends out of the opening end 911 of the base 91. The clamping seat 93 is fixedly connected to the upper end of the connecting portion 92, and the clamping seat 93 has a clamping groove 931 for clamping with the board body 20. The spring 94 is arranged in the base 91, two ends of the spring 94 respectively abut against the large-diameter end 922 of the connecting part 92 and the spring seat 95, the clamping seat 93 is pressed downwards, the connecting part 92 is displaced downwards in the inner cavity of the base 91, and then the angle of the plate body 20 is adjusted; the clamping seat 93 is loosened, the elastic restoring force applied to the connecting part 92 by the spring 94 enables the connecting part 92 to drive the clamping seat 93 to move upwards, so that the clamping groove 931 of the clamping part 93 is clamped with the plate body 20, the angle of the plate body 20 is fixed, and the use is more convenient.
The core of the utility model is that: because the bracing piece 1 of blank adopts split type design, the length of bracing piece 1 that can greatly reduced, be convenient for reduce the packing volume, thereby reduce commodity circulation cost of transportation, simultaneously owing to add grafting piece 13a in first body 1a, utilize grafting piece 13a of first body 1a to insert and arrange in straight pole section inner chamber 12b of second body 1b, and through first bolt 6 lock solid in the first screw hole 131a of grafting piece 13a, thereby realize the preliminary fixed between first body 1a and the straight pole section of second body 1b, make follow-up first body 1a and the looks spiro union lock of first horizontal pole 2 through second bolt 5a, through the looks spiro union lock of third bolt 5b with the straight pole section of second body 1b and first horizontal pole 2 each other, make and form the stable bracing piece 1 of rigid connection between first body 1a and the second body 1 b. Moreover, the support rod 1 is at least provided with the first slot 15a and the second slot 15b with height difference on one side facing the board body 20, so that the board body 20 of the whiteboard is adjustable in height, and the whiteboard is suitable for people with different heights.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (8)

1. A whiteboard comprising a whiteboard support (10) and a board body (20), said whiteboard support (10) comprising:
the support rod comprises two support rods (1) which are arranged in parallel, each support rod (1) is provided with at least one first pipe body (1a) and one second pipe body (1b) from top to bottom, the first pipe body (1a) is a straight pipe body, the second pipe body (1b) is a T-shaped pipe formed by two straight pipe bodies which are perpendicular to each other, the first pipe body (1a) and the second pipe body (1b) are both hollow in inner cavities, an insertion block (13a) is additionally arranged at one end, close to the straight pipe section of the second pipe body (1b), of the first pipe body (1a), a first threaded hole (131a) is formed in one end, far away from the first pipe body (1a), of the insertion block (13a) is inserted into an inner cavity (12b) of the straight pipe section of the second pipe body (1b), and a first through hole (14b) is formed in the outer side end face of the straight pipe section of the second pipe body (1b) at a position opposite to the first threaded hole (131a), a first bolt (6) penetrates through the first through hole (14b) and is screwed in the first threaded hole (131a), so that the straight rod section of the second pipe body (1b) and the first pipe body (1a) are preliminarily fixed to each other, a positioning plane (P1) is formed at least on the inner side end face of the adjacent position of the splicing position of the straight rod sections of the first pipe body (1a) and the second pipe body (1b), the first pipe body (1a) is provided with a through first fixing hole (11a) in the direction perpendicular to the positioning plane (P1), the second pipe body (1b) is provided with a through second fixing hole (11b) in the direction perpendicular to the positioning plane (P1), and the plug-in block (13a) is provided with a third fixing hole (132a) in the position opposite to the second fixing hole (11 b);
the connecting piece (3) is fixedly arranged inside each of two ends of the first cross rod (2), the connecting piece (3) is provided with a first connecting hole (31) and a second connecting hole (32), and the first connecting hole (31) and the second connecting hole (32) are opposite to the first fixing hole (11a) and the second fixing hole (11b) respectively;
the two second bolts (5a) respectively penetrate through the first fixing hole (11a) from outside to inside and are in threaded connection and locked in the first connecting hole (31) of the connecting piece (3);
the two third bolts (5b) sequentially penetrate through the second fixing hole (11b) and the third fixing hole (132a) from outside to inside respectively, are in threaded connection and are fixedly locked in the second connecting hole (32), so that two ends of the first cross rod (2) are respectively abutted against and fixedly locked on a positioning plane (P1) formed by mutually splicing straight rod sections of the first pipe body (1a) and the second pipe body (1b), the straight rod sections of the first pipe body (1a) and the second pipe body (1b) are rigidly connected to form the supporting rod (1), and finally the two supporting rods (1) and the first cross rod (2) form a whiteboard support (10) capable of being stably erected;
the plate body (20) is arranged between the two support rods (1).
2. A whiteboard according to claim 1, wherein: the straight rod section of the second pipe body (1b) is seamlessly spliced with the first pipe body (1 a).
3. A whiteboard according to claim 2, wherein: the outer end faces of the straight rod sections of the first tube (1a) and the second tube (1b) have abutment planes (P2), the abutment planes (P2) and the positioning planes (P1) being parallel to each other.
4. A whiteboard according to claim 1, wherein: and a flange (13b) is additionally arranged at one end, adjacent to the first pipe body (1a), of the straight rod section of the second pipe body (1b), and the flange (13b) is inserted into the inner cavity (12a) of the first pipe body and forms transition fit with the inner cavity.
5. A whiteboard according to claim 1, wherein: still include a second horizontal pole (8) and a stop device (9), second horizontal pole (8) detachably rigid coupling between two bracing pieces (1), just second horizontal pole (8) are located between plate body (20) and first horizontal pole (2), the centre of second horizontal pole (8) is located in stop device (9) for with plate body (20) joint, stop device (9) have decurrent elasticity surplus, plate body (20) rotatably set up between two bracing pieces (1).
6. A whiteboard according to claim 5, wherein: the plate is characterized by further comprising two limiting columns (7), wherein a frame (201) is arranged on the periphery of the plate body (20), and the two limiting columns (7) are fixedly arranged on two sides of the frame (201) of the plate body (20) respectively; every bracing piece (1) is equipped with two first slots (15a) and second slot (15b) that have the difference in height at least in one side towards plate body (20), spacing post (7) are optionally inserted and are arranged in first slot (15a) and second slot (15b), realize the pivot connection between plate body (20) and whiteboard support (10), every first body (1a) is equipped with two lockhole groups (16) that the interval is H in the below that is located aforementioned first slot (15a) and second slot (15b), every lockhole group includes two at least lockholes (161) that set up side by side along vertical direction, lockhole group (16) are used for fixed second horizontal pole (8), make the distance of second horizontal pole (8) and plate body (20) bottom fixed.
7. A whiteboard according to claim 6, wherein: the free end of the limiting column (7) is provided with an annular groove (71), the first slot (15a) is arranged at the top end of the supporting rod (1), the first slot (15a) is a first straight groove (151), the upper end of the first straight groove is open, and the lower end of the first straight groove is provided with an arc surface (152) tangent to the annular groove (71); the second slot (15b) is arranged below the first slot (15a), the second slot (15b) comprises an insertion hole (153) and a second straight groove (154), the upper end of the second straight groove (154) is communicated with the insertion hole (153), the lower end of the second straight groove (154) is provided with an arc surface (152) tangent to the ring groove (71), the diameter D1 of the insertion hole (153) is larger than the diameter D2 of the limiting column (7), meanwhile, the widths of the first straight groove (151) and the second straight groove (154) are W, and the diameter D3 of the ring groove (71) is smaller than the diameter D2 of the limiting column (7).
8. A whiteboard according to claim 6, wherein: the clamping plate (73) is a flat plate, a second threaded hole (731) is formed in the middle of the flat plate, a plurality of second through holes (732) are formed in two sides of the flat plate, and each screw (74) penetrates through the corresponding second through hole (732) and is screwed with the frame (201) of the plate body (20) so that the clamping plate (73) is fixed on the frame (201); the limiting column (7) is provided with an axial through hole (72), and the fourth bolt (5c) penetrates through the axial through hole (72) and is in threaded connection with the second threaded hole (731), so that the limiting column (7) is fixedly connected to the frame (201).
CN202120824035.2U 2020-12-11 2021-04-21 White board Active CN215474105U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202120824035.2U CN215474105U (en) 2021-04-21 2021-04-21 White board
US17/356,577 US11445826B2 (en) 2020-12-11 2021-06-24 Whiteboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120824035.2U CN215474105U (en) 2021-04-21 2021-04-21 White board

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CN215474105U true CN215474105U (en) 2022-01-11

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CN202120824035.2U Active CN215474105U (en) 2020-12-11 2021-04-21 White board

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Country Link
CN (1) CN215474105U (en)

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GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A whiteboard

Effective date of registration: 20230306

Granted publication date: 20220111

Pledgee: China Everbright Bank Limited by Share Ltd. Xiamen branch

Pledgor: Xiamen shengchengxin Technology Co.,Ltd.

Registration number: Y2023980034075

PE01 Entry into force of the registration of the contract for pledge of patent right