CN209807683U - Easel is adjusted to hand formula - Google Patents
Easel is adjusted to hand formula Download PDFInfo
- Publication number
- CN209807683U CN209807683U CN201920330481.0U CN201920330481U CN209807683U CN 209807683 U CN209807683 U CN 209807683U CN 201920330481 U CN201920330481 U CN 201920330481U CN 209807683 U CN209807683 U CN 209807683U
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- fixedly connected
- frame
- hand
- front side
- lifting
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- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000010422 painting Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses a hand-operated type adjusting easel, which comprises an underframe, wherein the top of the underframe is movably articulated with a base frame, the inner wall of the base frame is provided with a chute, a lifting frame is movably connected between the chutes, the top of the lifting frame is fixedly connected with a support frame, the middle part of the lifting frame is fixedly provided with a universal joint, the front end of the universal joint is fixedly connected with a crank, the rear end of the universal joint is fixedly connected with a lead screw, a cross beam is fixedly connected between the upper parts of the base frame, the middle part of the cross beam is fixedly provided with a thread sleeve, the lead screw is spirally connected with the thread sleeve, the top of the lead screw is rotatably connected with the top of the support frame, and two groups of telescopic support bars are movably articulated between the rear side of the base frame and the top of the rear side of the underframe, and has good positioning effect.
Description
The technical field is as follows:
the utility model relates to a study article field, concretely relates to easel is adjusted to hand formula.
Background art:
an easel is a stand-alone structure designed to hold a canvas or drawing board when an artist is drawing. Easels for use in paintrooms are usually fixed on square or rectangular bases by four rigid battens, the bases being equipped with foot wheels, two rigid struts intersecting at the top, and diagonal struts in the middle of the rear. The adjustable sliding groove is provided, and the spring hook of the adjustable sliding groove can be fixed in a segmented mode and supports the painting; the top end is fixed by a movable clamp. The sketching easel is made of wood or aluminum, has small volume, light weight and easy carrying, and can fold all accessories into compact volume; its design is between robust and portable. The most common sketching easel has three legs, two of which are at the front and support the post for painting, and the third of which is extended backwards to adjust the angle of the drawing board or canvas. The easel of a college or art class is more rigid than an easel of sketching, but is lighter than easels used in painting rooms. Most easels do not have the regulatory function, and everyone's height is different, and the most suitable locating place of drawing board is also different, uses inconveniently.
The utility model has the following contents:
the utility model aims to solve the technical problem that a hand formula is adjusted easel is provided, through the height of crank adjustment crane and support frame, can adjust the height of drawing board according to user's height and actual conditions to fine location effect has.
The utility model discloses the technical problem that will solve adopts following technical scheme to realize: a hand-operated adjusting easel comprises an underframe, the top of the underframe is movably articulated with a bed frame, the inner wall of the bed frame is provided with a chute, a lifting frame is movably connected between the sliding grooves, the top of the lifting frame is fixedly connected with a supporting frame, the middle part of the lifting frame is fixedly provided with a universal joint, the front end of the universal joint is fixedly connected with a crank, the rear end of the universal joint is fixedly connected with a screw rod, a cross beam is fixedly connected between the upper parts of the base frames, the middle part of the cross beam is fixedly provided with a threaded sleeve, the screw rod is spirally connected with the threaded sleeve, the top part of the screw rod is rotatably connected with the top part of the supporting frame, a drawing rod is movably sleeved at the top of the supporting frame, a positioning block is fixedly connected at the front side of the drawing rod, the front side fixed mounting of crane has the tray box, and the activity is articulated between the rear side of bed frame and the rear side top of chassis has two sets of flexible support bars.
Preferably, the bottom of the underframe is fixedly provided with a movable wheel.
Preferably, the front side fixed mounting of crane has the storing box, the storing box is located the bottom of tray box.
Preferably, flexible chamber has all been seted up to the both sides of crane, the bottom fixedly connected with spring in flexible chamber, the one end fixedly connected with joint key of spring, a plurality of circular draw-in grooves have been seted up to the inner chamber bottom side of spout, joint key and circular draw-in groove activity joint.
Preferably, the middle part of the supporting bar and the top of the front side of the supporting frame are both fixedly provided with a fastening bolt.
The utility model discloses a theory of operation: the utility model discloses adjust the angle of bed frame, adjust the length of flexible support bar, thereby fasten the angle of adjustment bed frame through the tight bolt of deciding above, the drawing board is placed on the tray box, the distance of pull extraction rod adjustment locating piece is used for pressing from both sides tight frame, it is rotatory that rotatory crank passes through the universal joint and drives the lead screw, the lift that screw-thread fit through the thread bush can control the lead screw, drive support frame and crane lift, the both sides of crane are at the spout internalization joint of bed frame inner wall, the joint key and the circular clamping groove activity joint of the both sides of crane, in-process joint key compression spring at the lift of crane stretches into the joint key and gets back to flexible chamber, at next circular clamping groove, the joint key is with it the joint, conveniently transport through removing the wheel.
The utility model has the advantages that: the utility model discloses simple structure, convenient and practical can carry out the centre gripping to the drawing board through the locating piece, through the height of crank adjustment crane and support frame, can adjust the height of drawing board according to user's height and actual conditions, the joint key of crane both sides plays fine location effect to circular draw-in groove activity joint, and is firm to the fixed effect of drawing board, removes the convenient transportation of wheel, easily popularizes and applies.
Description of the drawings:
fig. 1 is a side view of embodiment 1 of the present invention;
fig. 2 is a front view of embodiment 1 of the present invention;
fig. 3 is a plan view of embodiment 1 of the present invention;
fig. 4 is a schematic partial structure diagram of embodiment 2 of the present invention;
wherein: 1 underframe, 2 bed frames, 201 chutes, 202 circular clamping grooves, 3 telescopic supporting strips, 4 crossbeams, 5 storage boxes, 6 cranks, 7 universal joints, 8 lead screws, 9 lifting frames, 901 telescopic cavities, 902 springs, 903 clamping keys, 10 supporting frames, 11 drawing rods, 12 positioning blocks, 13 tray boxes, 14 moving wheels, 15 thread sleeves and 16 fastening bolts.
The specific implementation mode is as follows:
in order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Example 1: as shown in fig. 1-3, a hand-operated adjusting easel comprises a bottom frame 1, wherein the bottom of the bottom frame 1 is fixedly provided with a moving wheel 14, the top of the bottom frame 1 is movably hinged with a base frame 2, the inner wall of the base frame 2 is provided with a chute 201, a lifting frame 9 is movably connected between the chutes 201, the top of the lifting frame 9 is fixedly connected with a support frame 10, the middle of the lifting frame 9 is fixedly provided with a universal joint 7, the front end of the universal joint 7 is fixedly connected with a crank 6, the rear end of the universal joint 7 is fixedly connected with a screw rod 8, a cross beam 4 is fixedly connected between the upper parts of the base frame 2, the middle of the cross beam 4 is fixedly provided with a thread sleeve 15, the screw rod 8 is spirally connected with the thread sleeve 15, the top of the screw rod 8 is rotatably connected with the top of the support, take out the front side fixedly connected with locating piece 12 of pole 11, the front side fixed mounting of crane 9 has tray box 13, the front side fixed mounting of crane 9 has storing box 5, storing box 5 is located tray box 13's bottom, and the activity is articulated between the rear side of bed frame 2 and the rear side top of chassis 1 has two sets of flexible support bars 3, the middle part of support bar 3 and the equal fixed mounting in front side top of support frame 10 have tight set bolt 16.
Example 2: as shown in fig. 1-4, a hand-operated adjusting easel comprises a bottom frame 1, a moving wheel 14 is fixedly installed at the bottom of the bottom frame 1, a base frame 2 is movably hinged at the top of the bottom frame 1, a sliding groove 201 is formed in the inner wall of the base frame 2, a lifting frame 9 is movably connected between the sliding grooves 201, telescopic cavities 901 are formed in two sides of the lifting frame 9, a spring 902 is fixedly connected at the bottom of the telescopic cavity 901, a clamping key 903 is fixedly connected at one end of the spring 902, a plurality of circular clamping grooves 202 are formed in the bottom side of an inner cavity of the sliding groove 201, the clamping key 903 is movably clamped with the circular clamping grooves 202, a supporting frame 10 is fixedly connected at the top of the lifting frame 9, a universal joint 7 is fixedly installed at the middle part of the lifting frame 9, a crank 6 is fixedly connected at the front end of the universal, fixedly connected with crossbeam 4 between the upper portion of bed frame 2, the middle part fixed mounting of crossbeam 4 has thread bush 15, lead screw 8 and 15 threaded connection of thread bush, the top of lead screw 8 is rotated with the top of support frame 10 and is connected, the top activity of support frame 10 has cup jointed the pump rod 11, the front side fixedly connected with locating piece 12 of pump rod 11, the front side fixed mounting of crane 9 has tray box 13, the front side fixed mounting of crane 9 has storing box 5, storing box 5 is located tray box 13's bottom, and the activity articulates between the rear side of bed frame 2 and the rear side top of chassis 1 has two sets of flexible support bars 3, the equal fixed mounting in front side top of the middle part of support bar 3 and support frame 10 has holding bolt 16.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an easel is adjusted to hand formula, includes chassis (1), its characterized in that: the top of the chassis (1) is movably hinged with a base frame (2), sliding grooves (201) are formed in the inner wall of the base frame (2), lifting frames (9) are movably connected among the sliding grooves (201), supporting frames (10) are fixedly connected to the tops of the lifting frames (9), universal joints (7) are fixedly mounted in the middle of the lifting frames (9), cranks (6) are fixedly connected to the front ends of the universal joints (7), lead screws (8) are fixedly connected to the rear ends of the universal joints (7), cross beams (4) are fixedly connected to the upper portions of the base frame (2), thread sleeves (15) are fixedly mounted in the middle of the cross beams (4), the lead screws (8) are spirally connected with the thread sleeves (15), the tops of the lead screws (8) are rotatably connected with the tops of the supporting frames (10), and drawing rods (11) are movably sleeved on the tops of the supporting frames (, the front side fixedly connected with locating piece (12) of taking out pole (11), the front side fixed mounting of crane (9) has tray box (13), and the activity hinges between the rear side of bed frame (2) and the rear side top of chassis (1) has two sets of flexible support bars (3).
2. A hand-operated adjustable easel according to claim 1 and further comprising: the bottom of the underframe (1) is fixedly provided with a movable wheel (14).
3. A hand-operated adjustable easel according to claim 1 and further comprising: the front side fixed mounting of crane (9) has storing box (5), storing box (5) are located the bottom of tray box (13).
4. A hand-operated adjustable easel according to claim 1 and further comprising: the lifting frame is characterized in that telescopic cavities (901) are formed in two sides of the lifting frame (9), springs (902) are fixedly connected to the bottoms of the telescopic cavities (901), clamping keys (903) are fixedly connected to one ends of the springs (902), a plurality of circular clamping grooves (202) are formed in the bottom side of an inner cavity of the sliding groove (201), and the clamping keys (903) are movably clamped with the circular clamping grooves (202).
5. A hand-operated adjustable easel according to claim 1 and further comprising: and the middle part of the support bar (3) and the top part of the front side of the support frame (10) are fixedly provided with fastening bolts (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920330481.0U CN209807683U (en) | 2019-03-15 | 2019-03-15 | Easel is adjusted to hand formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920330481.0U CN209807683U (en) | 2019-03-15 | 2019-03-15 | Easel is adjusted to hand formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209807683U true CN209807683U (en) | 2019-12-20 |
Family
ID=68875811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920330481.0U Expired - Fee Related CN209807683U (en) | 2019-03-15 | 2019-03-15 | Easel is adjusted to hand formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209807683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263905A (en) * | 2022-07-18 | 2022-11-01 | 河南金檀家具有限公司 | Wire control stepless adjusting device capable of adjusting height or inclination angle of furniture |
-
2019
- 2019-03-15 CN CN201920330481.0U patent/CN209807683U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263905A (en) * | 2022-07-18 | 2022-11-01 | 河南金檀家具有限公司 | Wire control stepless adjusting device capable of adjusting height or inclination angle of furniture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20191220 |