CN113858858A - Improved oil painting stick set not easy to dirty hands - Google Patents
Improved oil painting stick set not easy to dirty hands Download PDFInfo
- Publication number
- CN113858858A CN113858858A CN202111255927.6A CN202111255927A CN113858858A CN 113858858 A CN113858858 A CN 113858858A CN 202111255927 A CN202111255927 A CN 202111255927A CN 113858858 A CN113858858 A CN 113858858A
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- China
- Prior art keywords
- oil painting
- painting stick
- wall
- fixedly connected
- inner cavity
- 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.)
- Pending
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- 238000010428 oil painting Methods 0.000 title claims abstract description 79
- 239000011521 glass Substances 0.000 claims description 6
- 238000011109 contamination Methods 0.000 claims 7
- 230000000670 limiting effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
- B43K23/016—Holders for crayons or chalks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
- B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
- B43K24/06—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by turning means
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- Fishing Rods (AREA)
Abstract
The invention belongs to the technical field of oil painting stick body sleeving equipment, and particularly relates to an improved oil painting stick sleeving device which is not easy to dirty hands, which comprises a sleeving body, wherein the lower end surface of the sleeving body is movably connected with a sleeving head, the inner wall of the upper end of an inner cavity of the sleeving body is fixedly connected with a bearing, the inner wall of an inner ring of the bearing is fixedly connected with a rotating sleeve, the inner cavity of the lower end surface of the rotating sleeve is movably connected with a push rod, the left end surface and the right end surface of the inner cavity of the sleeving body are respectively embedded with a sliding chute, the left side and the right side of the outer wall of the tail end of the push rod are respectively and fixedly connected with a connecting rod, the ends of the connecting rods, far away from each other, are respectively arranged in the sliding chutes, the lower end surface of the push rod is movably connected with an oil painting stick body, the lower end of the oil painting stick body penetrates through and extends to the lower part of the sleeving head, the external part of the sleeving body is fixedly connected with a rubber sleeve, the lower part of the outer wall of the rubber sleeve is provided with a bulge, and the device has a simple structure, the operation is convenient, the oil painting stick can be effectively prevented from polluting hands, and the use is convenient.
Description
Technical Field
The invention belongs to the technical field of oil painting stick set equipment, and particularly relates to an improved oil painting stick set with hands not easy to be dirty.
Background
The oil painting stick is an oily color painting tool, and is generally a cylindrical or prismatic shape with a length of about 10 cm. Similar with the crayon outward appearance, but the adhesive force of its paper, the covering power is stronger, can show the effect like oil painting, the outside of the oil painting stick on the present market generally is inside for having wrapped one deck paper cover or inserting simple and easy suit, the price is comparatively cheap relatively, but people are when using this oil painting stick, the oil painting stick easily touches with people's finger, thereby it makes dirty the hand very easily to lead to the oil painting stick, people need wash, it is very troublesome, and the unable oil painting stick of protection of paper cover, and the unable extension of the inside oil painting stick of suit, it is loaded down with trivial details that the oil painting stick is changed, for this reason, we have provided the oil painting stick suit that an improved generation is difficult for dirty hand.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an improved oil painting stick set which is not easy to dirty hands, and has the characteristics.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a difficult dirty hand's oil painting stick suit of improved generation, includes the suit body, terminal surface swing joint has the suit head under the suit body, suit body inner chamber upper end inner wall fixedly connected with bearing, bearing inner circle inner wall fixedly connected with rotating sleeve, end surface inner chamber swing joint has the push rod under the rotating sleeve, the terminal surface is all embedded to be provided with the spout about suit body inner chamber, the equal fixedly connected with connecting rod of the terminal outer wall left and right sides of push rod, the connecting rod is kept away from the one end mutually and is all set up inside the spout, terminal surface swing joint has the oil painting stick body under the push rod, oil painting stick body lower extreme runs through and extends to the first lower part of suit, the outside fixedly connected with rubber sleeve of suit body, rubber sleeve outer wall lower part is provided with the arch.
According to a preferred technical scheme, the retaining device comprises a ball, an arc-shaped block, a telescopic rod and a spring, the telescopic rod is uniformly and fixedly connected to the upper portion of the inner wall of the inner cavity of the sheathing head, the tail end of the telescopic rod is fixedly connected with the arc-shaped block, the ball is movably arranged in the middle of the inner wall of the arc-shaped block, the spring is sleeved outside the telescopic rod, one end of the spring is fixedly connected with the inner wall of the inner cavity of the sheathing head, and the other end of the spring is fixedly connected with the outer wall of the arc-shaped block.
As a preferred technical scheme of the invention, the push rod is a threaded rod, a threaded hole matched with the push rod is formed in the inner cavity of the rotating sleeve, and the push rod is in threaded connection with the rotating sleeve.
As a preferred technical scheme of the invention, the width of the chute is matched with that of the connecting rod, the tail ends of the connecting rod are attached to the left end face and the right end face of the inner cavity of the chute, and the upper end and the lower end of the inner cavity of the chute are not communicated with the upper end and the lower end of the suit body.
According to a preferable technical scheme, a groove is formed in the center of the lower end face of the push rod, the inner diameter of the groove is matched with the diameter of the oil painting stick body, locking screws penetrate through the front side and the rear side of the groove, and the tail end of each locking screw penetrates and extends into the oil painting stick body.
As a preferred technical scheme of the invention, the upper part of the inner wall of the inner cavity of the sleeve head is fixedly connected with a connecting ring, the outer wall of the connecting ring is provided with an external thread, the inner wall of the bottom of the inner cavity of the sleeve body is provided with an internal thread matched with the external thread, and the sleeve head is in threaded connection with the sleeve body.
As a preferred technical scheme of the invention, the upper end face of the rotating sleeve is fixedly connected with a rotating handle, the rotating handle is hemispherical, and the outer part of the rotating handle is sleeved with a rubber sleeve.
According to the preferable technical scheme, the middle of the front end face of the outer wall of the suit body is provided with a strip-shaped hole, and transparent organic glass is fixedly connected inside the strip-shaped hole.
Compared with the prior art, the invention has the beneficial effects that:
through the bearing, swivel sleeve, the push rod, the oil painting stick body, twist grip, spout and connecting rod cooperation, the assurance rotates twist grip, twist grip drives swivel sleeve rotatory, because spout and connecting rod cooperation, have limiting displacement, it can be inside normally flexible at swivel sleeve to guarantee the push rod, it is flexible to drive the oil painting stick body, guarantee that the oil painting stick body can stretch out the first back of cover equipment and use, after finishing using, reverse twist grip, it gets into inside the cover equipment body to drive the oil painting stick, can accomodate.
Through the suit body, the suit head, the retaining device, rubber sleeve and arch, the isolation of suit body and suit head to the oil painting stick body, user direct contact oil painting stick body has been avoided, and then the problem of the easy dirty hand that traditional oil painting stick exists has effectively been solved, the rubber sleeve has the cushioning effect, can guarantee that the inside oil painting stick of suit body can not split, can not the hand slip when the arch guarantees the student and uses, telescopic link and spring fit, guarantee that oil painting stick body lower part is stable, the ball can guarantee that oil painting stick body can normally reciprocate.
Through go-between, suit head, external screw thread, internal thread, recess and locking screw, when the oil painting stick body need be changed, rotatory suit head takes off the suit head, unscrews locking screw, takes out the oil painting stick that will use up, inserts the recess with the oil painting stick that does not use again, screws up locking screw, the convenient change use.
Through bar hole and transparent organic glass, the person of facilitating the use in time knows the in service behavior of oil painting stick to the quick observation of oil painting stick body, and then is convenient for in time change the oil painting stick body.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the structure of an improved oil painting stick set which is not prone to dirtying hands according to the present invention;
FIG. 2 is a schematic sectional view of an improved oil painting stick set for preventing hands from being easily soiled according to the present invention;
FIG. 3 is a schematic top view of the improved oil painting stick set for preventing hands from being easily soiled according to the present invention;
FIG. 4 is a schematic structural view of the interior of the improved oil painting stick set which is not easy to dirty hands;
fig. 5 is a schematic structural view of the interior of the improved oil painting stick set which is not easy to dirty hands.
Fig. 6 is a schematic view of the inner structure of the fitting head in the present invention.
In the figure: 1. sleeving a body; 2. sleeving a head; 3. an oil painting stick body; 4. transparent organic glass; 5. a bearing; 6. rotating the sleeve; 7. rotating the handle; 8. a chute; 9. a connecting rod; 10. a push rod; 11. tightening the screw; 12. a connecting ring; 13. a groove; 14. a rubber sleeve; 15. a protrusion; 16. a holding device; 161. a ball bearing; 162. an arc-shaped block; 163. a telescopic rod; 164. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-6, the present invention provides the following technical solutions: an improved oil painting stick suit with small possibility of dirtying hands comprises a suit body 1, a suit head 2 is movably connected to the lower end face of the suit body 1, a bearing 5 is fixedly connected to the inner wall of the upper end of an inner cavity of the suit body 1, a rotating sleeve 6 is fixedly connected to the inner wall of an inner ring of the bearing 5, a push rod 10 is movably connected to the inner cavity of the lower end face of the rotating sleeve 6, chutes 8 are embedded in the left end face and the right end face of the inner cavity of the suit body 1, connecting rods 9 are fixedly connected to the left side and the right side of the outer wall of the tail end of each push rod 10, the ends of the connecting rods 9, which are far away from each other, are arranged in the chutes 8, an oil painting stick body 3 is movably connected to the lower end face of the push rod 10, the lower end of the oil painting stick body 3 extends to the lower portion of the suit head 2, a rubber sleeve 14 is fixedly connected to the outside of the suit body 1, a bulge 15 is arranged on the lower portion of the outer wall of the rubber sleeve 14, the inner ring of the bearing 5 is matched with the rotating sleeve 6 and is welded to ensure the stability of the rotating sleeve 6, connecting rod 9 and push rod 10 outer wall welded connection have limiting displacement, guarantee that rotating sleeve 6 is rotatory, and push rod 10 can not rotate.
Specifically, please refer to fig. 6, in this embodiment, the holding device 16 includes a ball 161, an arc block 162, a telescopic rod 163 and a spring 164, the telescopic rod 163 is uniformly and fixedly connected to the upper portion of the inner wall of the inner cavity of the sleeving head 2, the arc block 162 is fixedly connected to the end of the telescopic rod 163, the ball 161 is movably disposed in the middle of the inner wall of the arc block 162, the spring 164 is sleeved outside the telescopic rod 163, one end of the spring 164 is fixedly connected to the inner wall of the inner cavity of the sleeving head 2, the other end of the spring 164 is fixedly connected to the outer wall of the arc block 162, the holding device 16 is provided with four groups, the spring 164 is a return spring, the four groups of arc blocks 162 can ensure that the lower portion of the oil painting stick body 3 is stable, the ball 161 can normally move up and down, and is convenient to use.
Specifically, referring to fig. 2, in this embodiment, the push rod 10 is a threaded rod, a threaded hole matched with the push rod 10 is formed in the inner cavity of the rotating sleeve 6, the push rod 10 is in threaded connection with the rotating sleeve 6, and the connecting rod 9 and the sliding groove 8 are limited to ensure that the rotating sleeve 6 is rotated to drive the push rod 10 to ascend and descend.
Specifically, please refer to fig. 2, in this embodiment, the width of the sliding chute 8 is matched with the width of the connecting rod 9, the ends of the connecting rod 9 are attached to the left and right end surfaces of the inner cavity of the sliding chute 8, the upper and lower ends of the inner cavity of the sliding chute 8 are not communicated with the upper and lower ends of the suit body 1, so as to ensure that the sliding chute 8 is matched with the connecting rod 9, and the connecting rod 9 can drive the push rod 10 to stably lift, thereby having a limiting effect.
Specifically, please refer to fig. 5, in this embodiment, the end face center is provided with a groove 13 under the push rod 10, the inner diameter of the groove 13 matches with the diameter of the oil painting stick body 3, the locking screws 11 are arranged on the front and back sides of the groove 13 in a penetrating manner, the tail ends of the locking screws 11 extend into the oil painting stick body 1 in a penetrating manner, the upper end of the oil painting stick body 3 is provided with a connecting piece, the connecting piece is a wooden connecting piece, it is ensured that the locking screws 11 can penetrate through the inside, and the inner cavity of the sleeve 2 is provided with a through hole matching with the oil painting stick body 3, so as to ensure the stability of the oil painting stick body 3.
Specifically, please refer to fig. 4, in this embodiment, the upper portion of the inner wall of the inner cavity of the casing head 2 is fixedly connected with the connection ring 12, the outer wall of the connection ring 12 is provided with an external thread, the inner wall of the bottom of the inner cavity of the casing body 1 is provided with an internal thread matched with the external thread, the casing head 2 is in threaded connection with the casing body 1, the casing head 2 is guaranteed to be conveniently detached, and the oil painting stick body 3 is conveniently replaced.
Specifically, please refer to fig. 1, in this embodiment, the upper end surface of the rotating sleeve 6 is fixedly connected with the rotating handle 7, the rotating handle 7 is hemispherical, the rubber sleeve is sleeved outside the rotating handle 7, and the outer wall of the rubber sleeve is uniformly provided with a bump, so as to ensure that the hand does not slip when the rotating handle 7 is rotated, thereby facilitating the use.
Specifically, please refer to fig. 1, in this embodiment, a strip-shaped hole has been seted up at the front end face middle part of the outer wall of the suit body 1, the transparent organic glass 4 of the inside fixedly connected with of the strip-shaped hole, the transparent organic glass 4 is an observation window, the in-service behavior of the oil painting stick body 3 can be observed when the use is guaranteed, and the inspection and the replacement are convenient.
The working principle and the using process of the invention are as follows: during the use, inside inserting recess 13 with the upper end of oil painting stick body 3, rotatory locking screw 11, guarantee that 11 ends of locking screw run through and extend to oil painting stick body 3 inside, guarantee oil painting stick body 3 and push rod 10 stable connection, utilize the first 2 covers of cover dress outside oil painting stick body 3, rotatory cover dress head 2, guarantee the first 2 and the 1 stable connection of cover dress body, rotate twist grip 7, spout 8 and connecting rod 9 cooperation, it is spacing, twist grip 7 drives the 6 rotations of swivel grip, it is normally flexible to drive push rod 10, it is flexible to drive oil painting stick body 3, guarantee that oil painting stick body 3 can stretch out the use, after finishing using, reverse rotation twist grip 7, push rod 10 shrink, it can accomodate and suit body 1 inside to drive oil painting stick body 3.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a difficult dirty oil painting stick suit of improved generation, includes suit body (1), its characterized in that: the oil painting stick is characterized in that a sheathing head (2) is movably connected to the lower end face of a sheathing body (1), a retaining device (16) is uniformly arranged on the upper portion of the inner cavity wall of the sheathing head (2), a bearing (5) is fixedly connected to the inner cavity wall of the upper end of the inner cavity of the sheathing body (1), a rotating sleeve (6) is fixedly connected to the inner ring wall of the bearing (5), a push rod (10) is movably connected to the inner cavity of the lower end face of the rotating sleeve (6), sliding grooves (8) are embedded in the left end face and the right end face of the inner cavity of the sheathing body (1), connecting rods (9) are fixedly connected to the left side and the right side of the outer wall of the tail end of each push rod (10), one ends of the connecting rods (9) far away from each other are arranged inside the sliding grooves (8), an oil painting stick body (3) is movably connected to the lower end face of each push rod (10), the lower end of the oil painting stick body (3) penetrates through and extends to the lower portion of the sheathing head (2), and a rubber sleeve (14) is fixedly connected to the outer portion of the sheathing body (1), and a bulge (15) is arranged at the lower part of the outer wall of the rubber sleeve (14).
2. The improved oil painting stick set not prone to hand contamination according to claim 1, wherein: the holding device (16) comprises balls (161), arc-shaped blocks (162), a telescopic rod (163) and a spring (164), the telescopic rod (163) is uniformly and fixedly connected to the upper portion of the inner cavity wall of the sleeving head (2), the arc-shaped blocks (162) are fixedly connected to the tail ends of the telescopic rod (163), the balls (161) are movably arranged in the middle of the inner wall of the arc-shaped blocks (162), the spring (164) is sleeved outside the telescopic rod (163), one end of the spring (164) is fixedly connected to the inner cavity wall of the sleeving head (2), and the outer wall of the other end of the spring (164) is fixedly connected to the arc-shaped blocks (162).
3. The improved oil painting stick set not prone to hand contamination according to claim 1, wherein: the push rod (10) is a threaded rod, a threaded hole matched with the push rod (10) is formed in the inner cavity of the rotating sleeve (6), and the push rod (10) is in threaded connection with the rotating sleeve (6).
4. The improved oil painting stick set not prone to hand contamination according to claim 1, wherein: the width of the sliding groove (8) is matched with that of the connecting rod (9), the tail end of the connecting rod (9) is attached to the left end face and the right end face of the inner cavity of the sliding groove (8), and the upper end and the lower end of the inner cavity of the sliding groove (8) are not communicated with the upper end and the lower end of the suit body (1).
5. The improved oil painting stick set not prone to hand contamination according to claim 1, wherein: the novel oil painting stick is characterized in that a groove (13) is formed in the center of the lower end face of the push rod (10), the inner diameter of the groove (13) is matched with the diameter of the oil painting stick body (3), locking screws (11) penetrate through the front side and the rear side of the groove (13), and the tail ends of the locking screws (11) penetrate through and extend into the oil painting stick body (1).
6. The improved oil painting stick set not prone to hand contamination according to claim 1, wherein: the upper portion of the inner cavity inner wall of the sleeving head (2) is fixedly connected with a connecting ring (12), the outer wall of the connecting ring (12) is provided with an external thread, the inner cavity bottom inner wall of the sleeving body (1) is provided with an internal thread matched with the external thread, and the sleeving head (2) is in threaded connection with the sleeving body (1).
7. The improved oil painting stick set not prone to hand contamination according to claim 1, wherein: the upper end face of the rotating sleeve (6) is fixedly connected with a rotating handle (7), the rotating handle (7) is hemispherical, and a rubber sleeve is sleeved outside the rotating handle (7).
8. The improved oil painting stick set not prone to hand contamination according to claim 1, wherein: a strip-shaped hole is formed in the middle of the front end face of the outer wall of the suit body (1), and transparent organic glass (4) is fixedly connected inside the strip-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111255927.6A CN113858858A (en) | 2021-10-27 | 2021-10-27 | Improved oil painting stick set not easy to dirty hands |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111255927.6A CN113858858A (en) | 2021-10-27 | 2021-10-27 | Improved oil painting stick set not easy to dirty hands |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113858858A true CN113858858A (en) | 2021-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111255927.6A Pending CN113858858A (en) | 2021-10-27 | 2021-10-27 | Improved oil painting stick set not easy to dirty hands |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113858858A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205929906U (en) * | 2016-05-16 | 2017-02-08 | 南昌蓝珀笔业画材有限公司 | Rotatory telescopic oil painting stick pen |
| JP2018065260A (en) * | 2016-10-17 | 2018-04-26 | ゼネラル株式会社 | Rod member feeding device |
| CN209441069U (en) * | 2018-11-06 | 2019-09-27 | 张莉 | A kind of adjustable chalk clamp of English teaching |
| CN209479278U (en) * | 2018-12-27 | 2019-10-11 | 江苏德皇文具有限公司 | A kind of telescopic wax crayon with position limiting structure |
| CN110481217A (en) * | 2019-08-21 | 2019-11-22 | 山东交通职业学院 | A kind of complementary education instructional device |
| CN111169199A (en) * | 2020-01-14 | 2020-05-19 | 唐山师范学院 | Multi-functional english teaching aid |
| CN212098126U (en) * | 2020-03-12 | 2020-12-08 | 遂昌县匠锐机械设计有限公司 | Painting brush belt cleaning device is used in fine arts training |
| CN212148123U (en) * | 2020-03-23 | 2020-12-15 | 青岛好乐星国际文化创意有限公司 | Rotatory oil painting stick of automatically cleaning |
| CN212289296U (en) * | 2020-05-27 | 2021-01-05 | 赤壁吉利隆文化用品有限公司 | Telescopic crayon with limit structure |
| CN213593990U (en) * | 2020-10-30 | 2021-07-02 | 刘明 | Be applied to instrument of primary school mathematics drawing point |
| CN214138048U (en) * | 2021-01-05 | 2021-09-07 | 徐萍 | Novel supplementary mathematics teaching aid of drawing vertical line |
-
2021
- 2021-10-27 CN CN202111255927.6A patent/CN113858858A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205929906U (en) * | 2016-05-16 | 2017-02-08 | 南昌蓝珀笔业画材有限公司 | Rotatory telescopic oil painting stick pen |
| JP2018065260A (en) * | 2016-10-17 | 2018-04-26 | ゼネラル株式会社 | Rod member feeding device |
| CN209441069U (en) * | 2018-11-06 | 2019-09-27 | 张莉 | A kind of adjustable chalk clamp of English teaching |
| CN209479278U (en) * | 2018-12-27 | 2019-10-11 | 江苏德皇文具有限公司 | A kind of telescopic wax crayon with position limiting structure |
| CN110481217A (en) * | 2019-08-21 | 2019-11-22 | 山东交通职业学院 | A kind of complementary education instructional device |
| CN111169199A (en) * | 2020-01-14 | 2020-05-19 | 唐山师范学院 | Multi-functional english teaching aid |
| CN212098126U (en) * | 2020-03-12 | 2020-12-08 | 遂昌县匠锐机械设计有限公司 | Painting brush belt cleaning device is used in fine arts training |
| CN212148123U (en) * | 2020-03-23 | 2020-12-15 | 青岛好乐星国际文化创意有限公司 | Rotatory oil painting stick of automatically cleaning |
| CN212289296U (en) * | 2020-05-27 | 2021-01-05 | 赤壁吉利隆文化用品有限公司 | Telescopic crayon with limit structure |
| CN213593990U (en) * | 2020-10-30 | 2021-07-02 | 刘明 | Be applied to instrument of primary school mathematics drawing point |
| CN214138048U (en) * | 2021-01-05 | 2021-09-07 | 徐萍 | Novel supplementary mathematics teaching aid of drawing vertical line |
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Application publication date: 20211231 |