CN207011877U - A kind of chalk holder with shatter-resistant protection - Google Patents

A kind of chalk holder with shatter-resistant protection Download PDF

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Publication number
CN207011877U
CN207011877U CN201720677900.9U CN201720677900U CN207011877U CN 207011877 U CN207011877 U CN 207011877U CN 201720677900 U CN201720677900 U CN 201720677900U CN 207011877 U CN207011877 U CN 207011877U
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CN
China
Prior art keywords
limiting plate
chalk
fixedly connected
shatter
box body
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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
CN201720677900.9U
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Chinese (zh)
Inventor
杨小兹
佘芳
朱晓萍
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Individual
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Individual
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Publication date
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Priority to CN201720677900.9U priority Critical patent/CN207011877U/en
Application granted granted Critical
Publication of CN207011877U publication Critical patent/CN207011877U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of chalk holder with shatter-resistant protection, is related to teaching equipment field.This has the chalk holder that shatter-resistant is protected; including box body; standing groove is offered at the top of the box body; support block is fixedly connected with the right side of the inwall of the standing groove; clamping ring is fixedly connected with the left of support block; the inside of box body simultaneously offers spring groove on the left of standing groove; the inside of spring groove is respectively arranged with limiting plate and back-moving spring; back-moving spring is located at the left side of limiting plate; fixture block is fixedly connected with the right side of limiting plate, the one end of fixture block away from limiting plate is through box body and the movable clamp ring with being set inside standing groove is fixedly connected.This has the chalk holder that shatter-resistant is protected, simple in construction, easy to use; back-moving spring slowing down vibration power can be passed through when chalk holder drops; the position of chalk is fixed by movable clamp ring and clamping ring again, more preferable shatter-resistant effect can be played, chalk is avoided and breaks wasting problem into pieces.

Description

A kind of chalk holder with shatter-resistant protection
Technical field
It the utility model is related to teaching aid technical field, specially a kind of chalk holder with shatter-resistant protection.
Background technology
Chalk is instrument widely used in daily life, is for general on blackboard and writes.The chalk in ancient times is generally used Natural chalk is made, but uses other material substitutions now.The composition of chalk is a kind of white depositions of calcium sulfate, no Easily it is decomposed, particle is bigger than dust.The chalk that the country uses mainly has common two kinds of chalk and dust-free chalk, its main component It is calcium carbonate (lime stone) and calcium sulfate (gypsum), or containing a small amount of calcium oxide.Chalk holder can be used in the use of chalk Hold.
The technology used in existing chalk holder is all fairly simple, is to be made with very thin one using paper, Its using when cause to drop on the ground if there is collision, because its protecting effect is bad the chalk in box can be caused to break Split, and cause the chalk can not be continuing with wasting problem.
Utility model content
(1) technical problem solved
In view of the shortcomings of the prior art, the utility model provides a kind of chalk holder with shatter-resistant protection, solves guarantor The problem of shield effect can be broken chalk when chalk holder does not drop fortunately.
(2) technical scheme
To realize object above, the utility model is achieved by the following technical programs:It is a kind of to have what shatter-resistant was protected Chalk holder, including box body, standing groove is offered at the top of the box body, support is fixedly connected with the right side of the inwall of the standing groove Block, clamping ring is fixedly connected with the left of the support block, and the inside of the box body simultaneously offers on the left of standing groove Spring groove, the inside of the spring groove are respectively arranged with limiting plate and back-moving spring, and the back-moving spring is located at a left side for limiting plate Side, fixture block is fixedly connected with the right side of the limiting plate, the one end of the fixture block away from limiting plate is through box body and and standing groove The movable clamp ring that inside is set is fixedly connected, and the movable clamp ring is located at the left side of clamping ring, the movable clamp ring and fixation Chalk is accompanied between clamp ring, the top of the box body simultaneously offers the chute being connected with spring groove on the left of standing groove, Pushing block is fixedly connected with the top of the limiting plate, the one end of the pushing block away from limiting plate sequentially passes through spring groove and cunning Groove and the top for extending to box body.
Preferably, the movable clamp ring and clamping ring have been fixedly connected with rubber blanket close to the one side of chalk, described The outer surface of chalk contacts with rubber blanket.
Preferably, the top and bottom ends of the limiting plate are socketed with gag lever post, and the both ends of two gag lever posts are and spring groove Inwall both sides be fixedly connected, the back-moving spring is between two gag lever posts.
Preferably, the one end of the back-moving spring away from limiting plate is fixedly connected with spring anchor block, and the spring is fixed The left side of block is fixedly connected with the inwall of spring groove.
Preferably, the standing groove is three groups, and three groups of standing grooves are spaced substantially equidistant, and the quantity of every group of standing groove is three, Three standing grooves are spaced substantially equidistant.
(3) beneficial effect
The utility model provides a kind of chalk holder with shatter-resistant protection.Possesses following beneficial effect:
1st, the chalk holder that should be protected with shatter-resistant, it is simple in construction, it is easy to use, it can pass through when chalk holder drops Back-moving spring slowing down vibration power, then the position of chalk is fixed by movable clamp ring and clamping ring, it can play preferably anti- Effect is fallen, chalk is avoided and breaks wasting problem into pieces.
2nd, should chalk holder with shatter-resistant protection, by being used cooperatively for chute and pushing block, chalk can be put into When it is more convenient, operation is simpler, avoids and goes out when directly chalk is inserted into clamping ring and movable clamp ring The situation being now broken, the position restriction also by gag lever post to limiting plate, the position moved when limiting plate promotes is more Accurately, avoid spacing Board position inclination and cause the irremovable problem of limiting plate.
Brief description of the drawings
Fig. 1 is the utility model structure diagram;
Fig. 2 is the utility model structure top view.
Wherein, 1 box body, 2 standing grooves, 3 support blocks, 4 clamping rings, 5 spring grooves, 6 limiting plates, 7 back-moving springs, 8 fixture blocks, 9 movable clamp rings, 10 chalks, 11 chutes, 12 pushing blocks, 13 rubber blankets, 14 gag lever posts, 15 spring anchor blocks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.
The utility model embodiment provides a kind of chalk holder with shatter-resistant protection, as shown in Figure 1-2, including box body 1, box The top of body 1 offers standing groove 2, and standing groove 2 is three groups, and three groups of standing grooves 2 are spaced substantially equidistant, the quantity of every group of standing groove 2 For three, three standing grooves 2 are spaced substantially equidistant, and using three groups of standing grooves, more than enough can be put, and every class is reached the use of teacher, Be fixedly connected with support block 3 on the right side of the inwall of standing groove 2, the left side of support block 3 is fixedly connected with clamping ring 4, box body 1 it is interior Portion simultaneously offers spring groove 5 positioned at the left side of standing groove 2, and the inside of spring groove 5 is respectively arranged with limiting plate 6 and back-moving spring 7, The top and bottom ends of limiting plate 6 are socketed with gag lever post 14, and the inwall both sides of the both ends of two gag lever posts 14 with spring groove 5 are fixed Connection, between two gag lever posts 14, the one end of back-moving spring 7 away from limiting plate 6 is fixedly connected with spring and consolidated back-moving spring 7 Determine block 15, the left side of spring anchor block 15 is fixedly connected with the inwall of spring groove 5, and back-moving spring 7 is located at the left side of limiting plate 6, The right side of limiting plate 6 is fixedly connected with fixture block 8, and the one end of fixture block 8 away from limiting plate 6 is through box body 1 and with being set inside standing groove 2 The movable clamp ring 9 put is fixedly connected, and movable clamp ring 9 is located at the left side of clamping ring 4, is pressed from both sides between movable clamp ring 9 and clamping ring 4 There is chalk 10, using limiting plate 6, fixture block is avoided when back-moving spring 7 promotes fixture block 8 to move and be clamped to chalk 10 8 are all introduced into the situation in standing groove 2, and movable clamp ring 9 and clamping ring 4 have been fixedly connected with close to the one side of chalk 10 Rubber blanket 13, the outer surface of chalk 10 contact with rubber blanket 13, the top of box body 1 and positioned at standing groove 2 left side offer with The chute 11 that spring groove 5 is connected, the top of limiting plate 6 are fixedly connected with pushing block 12, pushing block 12 away from limiting plate 6 one End sequentially passes through spring groove 5 and chute 11 and the top for extending to box body 1.
In summary, the chalk holder that should be protected with shatter-resistant, it is simple in construction, it is easy to use, it can be dropped in chalk holder When the position of chalk 10 is fixed by the slowing down vibration power of back-moving spring 7, then by movable clamp ring 9 and clamping ring 4, can More preferable shatter-resistant effect is played, chalk 10 is avoided and breaks wasting problem into pieces.
Also, can be more convenient when chalk 10 are put into by being used cooperatively for chute 11 and pushing block 12, behaviour Make simpler, avoid when directly chalk 10 is inserted into clamping ring 4 and movable clamp ring 9 and the shape being broken occur Condition, the position restriction also by gag lever post 14 to limiting plate 6, the position moved when limiting plate 6 promotes is more accurate, keeps away Exempt from the inclination of the position of limiting plate 6 and cause 6 irremovable problem of limiting plate.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of chalk holder with shatter-resistant protection, including box body (1), it is characterised in that:Offered at the top of the box body (1) Standing groove (2), the inwall right side of the standing groove (2) are fixedly connected with support block (3), and the left side of the support block (3) is fixed Clamping ring (4) is connected with, the inside of the box body (1) simultaneously offers spring groove (5) on the left of standing groove (2), described The inside of spring groove (5) is respectively arranged with limiting plate (6) and back-moving spring (7), and the back-moving spring (7) is located at limiting plate (6) Left side, fixture block (8) is fixedly connected with the right side of the limiting plate (6), the one end of the fixture block (8) away from limiting plate (6) is passed through Wear box body (1) and the movable clamp ring (9) with being set inside standing groove (2) is fixedly connected, the movable clamp ring (9) is located at geometrical clamp The left side of ring (4), chalk (10) is accompanied between the movable clamp ring (9) and clamping ring (4), the top of the box body (1) is simultaneously The chute (11) being connected with spring groove (5) is offered on the left of standing groove (2), the top of the limiting plate (6) is fixed Pushing block (12) is connected with, the one end of the pushing block (12) away from limiting plate (6) sequentially passes through spring groove (5) and chute (11) And extend to the top of box body (1).
A kind of 2. chalk holder with shatter-resistant protection according to claim 1, it is characterised in that:The movable clamp ring (9) Rubber blanket (13), the outer surface of the chalk (10) have been fixedly connected with one side of the clamping ring (4) close to chalk (10) Contacted with rubber blanket (13).
A kind of 3. chalk holder with shatter-resistant protection according to claim 1, it is characterised in that:The limiting plate (6) Top and bottom ends are socketed with gag lever post (14), and the both ends of two gag lever posts (14) are fixed with the inwall both sides of spring groove (5) to be connected Connect, the back-moving spring (7) is between two gag lever posts (14).
A kind of 4. chalk holder with shatter-resistant protection according to claim 1, it is characterised in that:The back-moving spring (7) One end away from limiting plate (6) is fixedly connected with spring anchor block (15), the left side of the spring anchor block (15) and spring groove (5) inwall is fixedly connected.
A kind of 5. chalk holder with shatter-resistant protection according to claim 1, it is characterised in that:The standing groove (2) is Three groups, three groups of standing grooves (2) are spaced substantially equidistant, and the quantity of every group of standing groove (2) is three, three equidistant rows of standing groove (2) Row.
CN201720677900.9U 2017-06-12 2017-06-12 A kind of chalk holder with shatter-resistant protection Expired - Fee Related CN207011877U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720677900.9U CN207011877U (en) 2017-06-12 2017-06-12 A kind of chalk holder with shatter-resistant protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720677900.9U CN207011877U (en) 2017-06-12 2017-06-12 A kind of chalk holder with shatter-resistant protection

Publications (1)

Publication Number Publication Date
CN207011877U true CN207011877U (en) 2018-02-16

Family

ID=61484591

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720677900.9U Expired - Fee Related CN207011877U (en) 2017-06-12 2017-06-12 A kind of chalk holder with shatter-resistant protection

Country Status (1)

Country Link
CN (1) CN207011877U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108669689A (en) * 2018-07-26 2018-10-19 吴江市震宇缝制设备有限公司 A kind of use in sewing machine syringe needle storing unit
CN109203833A (en) * 2018-10-30 2019-01-15 江苏聚彩文教用品有限公司 A kind of free assembled paint box
CN110269359A (en) * 2019-04-18 2019-09-24 烟台华力文具有限公司 A kind of wax crayon box
CN111928636A (en) * 2020-07-09 2020-11-13 滨海永达电子科技有限公司 Clamp for drying wiring board of pressure sensor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108669689A (en) * 2018-07-26 2018-10-19 吴江市震宇缝制设备有限公司 A kind of use in sewing machine syringe needle storing unit
CN109203833A (en) * 2018-10-30 2019-01-15 江苏聚彩文教用品有限公司 A kind of free assembled paint box
CN110269359A (en) * 2019-04-18 2019-09-24 烟台华力文具有限公司 A kind of wax crayon box
CN111928636A (en) * 2020-07-09 2020-11-13 滨海永达电子科技有限公司 Clamp for drying wiring board of pressure sensor

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

Granted publication date: 20180216

Termination date: 20190612

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