CN210680267U - Angle-adjustable drawing board - Google Patents

Angle-adjustable drawing board Download PDF

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Publication number
CN210680267U
CN210680267U CN201921327132.XU CN201921327132U CN210680267U CN 210680267 U CN210680267 U CN 210680267U CN 201921327132 U CN201921327132 U CN 201921327132U CN 210680267 U CN210680267 U CN 210680267U
Authority
CN
China
Prior art keywords
drawing board
fixedly connected
snap ring
positioning
spring
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
CN201921327132.XU
Other languages
Chinese (zh)
Inventor
刘建伟
潘忠立
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.)
Heilongjiang College of Construction
Original Assignee
Heilongjiang College of Construction
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 Heilongjiang College of Construction filed Critical Heilongjiang College of Construction
Priority to CN201921327132.XU priority Critical patent/CN210680267U/en
Application granted granted Critical
Publication of CN210680267U publication Critical patent/CN210680267U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the technical field of drawing boards, in particular to an angle-adjustable drawing board, which comprises a support frame and a drawing board, wherein the upper end of the support frame is provided with a connecting shaft, two ends of the connecting shaft are respectively and fixedly connected with two long supporting legs, the rear part of the drawing board is fixedly connected with a rotating sleeve, the rotating sleeve is rotatably connected on the connecting shaft, the angle-adjustable drawing board also comprises a fixed snap ring, an adjusting snap ring and a positioning spring group, the fixed snap ring is fixedly connected at the left end, the adjusting snap ring is fixedly connected at the left end of the rotating sleeve and rotatably connected with the connecting shaft, the fixed snap ring and the adjusting snap ring are mutually clamped when the angle is fixed, the positioning spring group is slidably connected on the connecting shaft, the left end of the positioning spring group is fixedly connected with the connecting shaft, and the right end of the positioning spring group, the angle of the drawing board can be changed at any time according to needs, the operation is convenient, and the flexibility is strong.

Description

Angle-adjustable drawing board
Technical Field
The utility model relates to a drawing board technical field, more specifically the angularly adjustable drawing board that says so.
Background
For example, an angle adjustable drawing board with the publication number of CN208615624U comprises a drawing board body, a flexible wrapping edge is arranged on the periphery of the drawing board body, an adjustable supporting rod is further included, the drawing board body is connected to the adjustable supporting rod through a connecting assembly, the connecting assembly comprises a fixed base fixedly connected with the flexible wrapping edge, a rotating part connected to the end part of the adjustable supporting rod and a fixing screw cap, a first outer sleeve part is connected to the fixed base, a first connecting column is arranged in the first outer sleeve part, the rotating part comprises a second outer sleeve part of an outer ring and a second connecting column positioned in the second outer sleeve part, the fixing screw cap is in threaded fastening connection with the second connecting column and the first connecting column in sequence to fix the adjustable supporting rod, a matched clamping groove is arranged at one end of the first outer sleeve part and the second outer sleeve part which are in butt joint, the connecting assembly comprises a fixed base, the regulation and the fixing of adjustable bracing piece are realized in the effective cooperation of three, simultaneously, set up the joint groove, can be more stable when fixed. Although the angle of the drawing board can be adjusted, the fixed angle needs to be screwed off by a fixed nut and screwed on after adjustment, so that the operation is troublesome and the flexibility is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an angularly adjustable drawing board can change the drawing board angle as required at any time when the drawing board angle is adjusted to needs, simple operation, and the flexibility is strong.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an angularly adjustable drawing board, includes support frame and drawing board, the upper end of support frame is provided with the connecting axle, two long landing legs of two fixedly connected with respectively at the both ends of connecting axle, the rear portion fixedly connected with of drawing board changes the cover, change the cover and rotate to connect on the connecting axle, this angularly adjustable drawing board still includes fixed snap ring, regulation snap ring and positioning spring group, fixed snap ring fixed connection is at the left end of fixed connection, adjust snap ring fixed connection and change the cover do the left end and rotate with the connecting axle and be connected, during fixed angle fixed snap ring and the mutual block of regulation snap ring, positioning spring group sliding connection is on the connecting axle, positioning spring group's left end fixed connection is laminated with the long landing leg that is located the right side all the time at connecting.
As this technical scheme's further optimization, the utility model relates to an angularly adjustable drawing board, the support frame still includes pivot and short landing leg, fixed connection pivot between the middle part of two long landing legs, short landing leg is provided with two, and two short landing legs rotate respectively and connect both ends about the pivot, equal fixedly connected with limiting plate on two short landing legs, two limiting plates laminate with two long landing legs respectively when the support frame struts.
As a further optimization of this technical scheme, the utility model relates to an angularly adjustable drawing board, the upper end fixedly connected with folded plate, backup pad and the toolbox of drawing board, folded plate and backup pad difference fixed connection are at the upper and lower both ends of drawing board, toolbox fixed connection is in the backup pad.
As a further optimization of this technical scheme, the utility model relates to an angularly adjustable drawing board, circumference evenly is provided with a plurality of location teeth on adjusting the snap ring.
As this technical scheme's further optimization, the utility model relates to an angularly adjustable drawing board, correspond a plurality of location tooth circumferences on the fixed snap ring and evenly be provided with a plurality of constant head tanks, a plurality of location teeth set up with a plurality of constant head tanks relatively, and a plurality of location teeth are sliding connection respectively in a plurality of constant head tanks during fixed drawing board angle.
As a further optimization of this technical scheme, the utility model relates to an angularly adjustable drawing board, positioning spring group includes spring and hand power board, spring sliding connection is on the connecting axle, the left end fixed connection of spring is changeed the right-hand member of cover and its right-hand member and is located the long leg laminating on right side, hand power board fixed connection is at the left end of spring.
As a further optimization of this technical scheme, the utility model relates to an angularly adjustable drawing board, the equal fixedly connected with handle of two long landing legs.
The utility model relates to an angle-adjustable drawing board's beneficial effect does:
this device can be when the drawing board angle is adjusted to needs, and through the cooperation of fixed snap ring, regulation snap ring and positioning spring group use, the compressibility that utilizes the spring to have will fix the snap ring and adjust the snap ring separation when adjusting, and the elastic potential energy of the resilience of recycle spring will fix the snap ring again and adjust the snap ring block again fixed, can change the drawing board angle as required at any time, and the simple operation, the flexibility is strong.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of an overall stretching structure of an angle-adjustable drawing board of the present invention;
FIG. 2 is a schematic structural view II of the integral support of the present invention;
fig. 3 is a third schematic structural view of the integral closing of the present invention;
fig. 4 is a partial structural diagram of the present invention;
FIG. 5 is a schematic structural view of the whole part of the present invention;
fig. 6 is a schematic structural view of the support frame of the present invention;
fig. 7 is a first schematic structural diagram of the drawing board of the present invention;
fig. 8 is a schematic structural diagram ii of the drawing board of the present invention;
fig. 9 is a schematic structural diagram of a local drawing board and an adjusting snap ring of the drawing board of the present invention;
fig. 10 is a schematic structural view of the fixing clip ring of the present invention;
fig. 11 is a first schematic structural diagram of a positioning spring assembly according to the present invention;
fig. 12 is a second schematic structural diagram of the positioning spring assembly according to the present invention.
In the figure: a support frame 1; a connecting shaft 1-1; 1-2 parts of long supporting legs; a handle 1-2-1; 1-3 of a rotating shaft; 1-4 parts of short support leg; a limiting plate 1-4-1; a drawing board 2; a folded plate 2-1; a support plate 2-2; 2-3 of a tool box; 2-4 of a rotating sleeve; a fixing snap ring 3; positioning a groove 3-1; adjusting the snap ring 4; 4-1 of a positioning tooth; a positioning spring set 5; 5-1 of a spring; and 5-2 of a hand-pulling plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1-12, and an angle-adjustable drawing board comprises a support frame 1 and a drawing board 2, wherein the upper end of the support frame 1 is provided with a connecting shaft 1-1, two ends of the connecting shaft 1-1 are respectively and fixedly connected with two long legs 1-2, the rear portion of the drawing board 2 is fixedly connected with a rotating sleeve 2-4, the rotating sleeve 2-4 is rotatably connected to the connecting shaft 1-1, the angle-adjustable drawing board further comprises a fixing snap ring 3, an adjusting snap ring 4 and a positioning spring group 5, the fixing snap ring 3 is fixedly connected to the left end, the adjusting snap ring 4 is fixedly connected to the left end of the rotating sleeve 2-4 and rotatably connected to the connecting shaft 1-1, the fixing snap ring 3 and the adjusting snap ring 4 are mutually clamped at a fixed angle, the positioning spring group 5 is slidably connected to the connecting shaft 1-, the left end of the positioning spring group 5 is fixedly connected to the connecting shaft 1-1, and the right end of the positioning spring group is always attached to the long supporting leg 1-2 on the right side.
This device can be when the drawing board angle is adjusted to needs, through fixed snap ring 3, adjust snap ring 4 and positioning spring group 5's cooperation use, utilize the compressibility that spring 5-1 has to separate fixed snap ring 3 and regulation snap ring 4 when adjusting, it is fixed with fixed snap ring 3 and regulation snap ring 4 block again to recycle the elastic potential energy of the resilience of spring 5-1 again, can change the drawing board angle as required at any time, the simple operation, the flexibility is strong, can be used to art design, outdoor scene sketching etc..
The second embodiment is as follows:
the following describes the present embodiment with reference to fig. 1 to 12, which further describes the first embodiment, the support frame 1 further includes a rotating shaft 1-3 and short legs 1-4, the rotating shaft 1-3 is fixedly connected between the middle portions of the two long legs 1-2, the number of the short legs 1-4 is two, the two short legs 1-4 are respectively rotatably connected to the left and right ends of the rotating shaft 1-3, the two short legs 1-4 are both fixedly connected with limiting plates 1-4-1, and when the support frame 1 is opened, the two limiting plates 1-4-1 are respectively attached to the two long legs 1-2.
The third concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 12, and the second embodiment is further described in the present embodiment, a folded plate 2-1, a supporting plate 2-2 and a tool box 2-3 are fixedly connected to the upper end of the drawing board 2, the folded plate 2-1 and the supporting plate 2-2 are fixedly connected to the upper end and the lower end of the drawing board 2, respectively, and the tool box 2-3 is fixedly connected to the supporting plate 2-2.
The fourth concrete implementation mode:
the third embodiment is further described with reference to fig. 1 to 12, and a plurality of positioning teeth 4-1 are uniformly arranged on the adjusting snap ring 4 in the circumferential direction.
The fifth concrete implementation mode:
the fourth embodiment is further described with reference to fig. 1 to 12, wherein a plurality of positioning grooves 3-1 are uniformly circumferentially arranged on the fixing snap ring 3 corresponding to the plurality of positioning teeth 4-1, the plurality of positioning teeth 4-1 are arranged opposite to the plurality of positioning grooves 3-1, and the plurality of positioning teeth 4-1 are respectively slidably connected in the plurality of positioning grooves 3-1 when the angle of the drawing board 2 is fixed.
The sixth specific implementation mode:
the embodiment is described below with reference to fig. 1 to 12, and the fifth embodiment is further described in the present embodiment, where the positioning spring set 5 includes a spring 5-1 and a hand-pulling plate 5-2, the spring 5-1 is slidably connected to the connecting shaft 1-1, the left end of the spring 5-1 is fixedly connected to the right end of the rotating sleeve 2-4, the right end of the spring is attached to the long leg 1-2 on the right side, and the hand-pulling plate 5-2 is fixedly connected to the left end of the spring 5-1.
When the use angle of the drawing board 2 needs to be changed, the hand-pulling plate 5-2 can be held by hands and pulled rightwards to compress the spring 5-1, meanwhile, the hand-pulling plate 5-2 moves to drive the rotating sleeve 2-4 to move rightwards, and then the positioning teeth 4-1 are separated from the positioning grooves 3-1, so that the rotating sleeve 2-4 is free from constraint, and the drawing board 2 can flexibly rotate.
Then, the hand-pulling plate 5-2 can be rotated, an appropriate angle is selected, and the spring 5-1 naturally rebounds under the angle, so that the plurality of positioning teeth 4-1 are clamped with the plurality of positioning grooves 3-1 again, and the angle of the drawing board 2 is fixed.
The seventh embodiment:
the present embodiment is described below with reference to fig. 1 to 12, and the present embodiment further describes an embodiment six, wherein the two long legs 1-2 are both fixedly connected with a handle 1-2-1, and the two handles 1-2-1 are arranged to facilitate moving the device.
The utility model discloses an angularly adjustable drawing board, its theory of operation is:
when the use angle of the drawing board 2 needs to be changed, the hand-pulling plate 5-2 can be held by hands and pulled rightwards to compress the spring 5-1, meanwhile, the hand-pulling plate 5-2 moves to drive the rotating sleeve 2-4 to move rightwards, and then the positioning teeth 4-1 are separated from the positioning grooves 3-1, so that the rotating sleeve 2-4 is free from constraint, and the drawing board 2 can flexibly rotate.
Then, the hand-pulling plate 5-2 can be rotated, an appropriate angle is selected, and the spring 5-1 naturally rebounds under the angle, so that the plurality of positioning teeth 4-1 are clamped with the plurality of positioning grooves 3-1 again, and the angle of the drawing board 2 is fixed.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.

Claims (7)

1. The utility model provides an angularly adjustable drawing board, includes support frame (1) and drawing board (2), the upper end of support frame (1) is provided with connecting axle (1-1), two long landing legs of fixedly connected with (1-2) are distinguished at the both ends of connecting axle (1-1), the rear portion fixedly connected with of drawing board (2) changes cover (2-4), it connects its characterized in that to change cover (2-4) to rotate on connecting axle (1-1): this angularly adjustable drawing board still includes fixed snap ring (3), regulation snap ring (4) and positioning spring group (5), fixed snap ring (3) fixed connection is at the left end, adjust snap ring (4) fixed connection and rotate with connecting axle (1-1) and be connected at the left end of doing of rotating cover (2-4), during fixed angle fixed snap ring (3) and regulation snap ring (4) block each other, positioning spring group (5) sliding connection is on connecting axle (1-1), the left end fixed connection of positioning spring group (5) is laminated with long landing leg (1-2) that are located the right side all the time at connecting axle (1-1) and its right-hand member.
2. The adjustable angle drawing board of claim 1, wherein: the support frame (1) further comprises a rotating shaft (1-3) and short supporting legs (1-4), wherein the rotating shaft (1-3) is fixedly connected between the middle parts of the two long supporting legs (1-2), the two short supporting legs (1-4) are arranged, the two short supporting legs (1-4) are respectively rotatably connected to the left end and the right end of the rotating shaft (1-3), the two short supporting legs (1-4) are respectively and fixedly connected with limiting plates (1-4-1), and the two limiting plates (1-4-1) are respectively attached to the two long supporting legs (1-2) when the support frame (1) is unfolded.
3. An angularly adjustable drawing board according to claim 2, wherein: the upper end of the drawing board (2) is fixedly connected with a folded plate (2-1), a supporting plate (2-2) and a tool box (2-3), the folded plate (2-1) and the supporting plate (2-2) are respectively and fixedly connected to the upper end and the lower end of the drawing board (2), and the tool box (2-3) is fixedly connected to the supporting plate (2-2).
4. An angularly adjustable drawing board according to claim 3, wherein: a plurality of positioning teeth (4-1) are uniformly arranged on the adjusting snap ring (4) in the circumferential direction.
5. An angularly adjustable drawing board according to claim 4, wherein: the drawing board fixing device is characterized in that a plurality of positioning grooves (3-1) are evenly formed in the fixing clamp ring (3) in the circumferential direction corresponding to the plurality of positioning teeth (4-1), the plurality of positioning teeth (4-1) are arranged opposite to the plurality of positioning grooves (3-1), and the plurality of positioning teeth (4-1) are respectively connected into the plurality of positioning grooves (3-1) in a sliding mode when drawing board fixing angles are set for the drawing board fixing device (2).
6. An angularly adjustable drawing board according to claim 5, wherein: the positioning spring set (5) comprises a spring (5-1) and a hand-pulling plate (5-2), the spring (5-1) is connected to the connecting shaft (1-1) in a sliding mode, the left end of the spring (5-1) is fixedly connected to the right end of the rotating sleeve (2-4) and the right end of the spring is attached to the long supporting leg (1-2) located on the right side, and the hand-pulling plate (5-2) is fixedly connected to the left end of the spring (5-1).
7. An angularly adjustable drawing board according to claim 6, wherein: the two long supporting legs (1-2) are both fixedly connected with a handle (1-2-1).
CN201921327132.XU 2019-08-16 2019-08-16 Angle-adjustable drawing board Expired - Fee Related CN210680267U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921327132.XU CN210680267U (en) 2019-08-16 2019-08-16 Angle-adjustable drawing board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921327132.XU CN210680267U (en) 2019-08-16 2019-08-16 Angle-adjustable drawing board

Publications (1)

Publication Number Publication Date
CN210680267U true CN210680267U (en) 2020-06-05

Family

ID=70890837

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921327132.XU Expired - Fee Related CN210680267U (en) 2019-08-16 2019-08-16 Angle-adjustable drawing board

Country Status (1)

Country Link
CN (1) CN210680267U (en)

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GR01 Patent grant
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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200605

Termination date: 20210816