CN203844463U - Device for quickly discharging and changing cores - Google Patents

Device for quickly discharging and changing cores Download PDF

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Publication number
CN203844463U
CN203844463U CN201420284030.5U CN201420284030U CN203844463U CN 203844463 U CN203844463 U CN 203844463U CN 201420284030 U CN201420284030 U CN 201420284030U CN 203844463 U CN203844463 U CN 203844463U
Authority
CN
China
Prior art keywords
jack
cylindrical shell
sleeve
stop collar
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
CN201420284030.5U
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Chinese (zh)
Inventor
袁训军
Original Assignee
袁训军
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 袁训军 filed Critical 袁训军
Priority to CN201420284030.5U priority Critical patent/CN203844463U/en
Application granted granted Critical
Publication of CN203844463U publication Critical patent/CN203844463U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a device for quickly discharging and changing cores. The device comprises a connecting sleeve and two barrels. The two ends of the connecting sleeve are connected with the barrels in a threaded mode. Limiting sleeves are fixedly arranged in the barrels, and a plurality of inserting holes are formed in the limiting sleeves. Clamping sleeves are arranged in the barrels, two telescopic rods are symmetrically arranged on the outer wall of each clamping sleeve, and each telescopic rod comprises a movable rod and a fixed rod. A second spring is connected between each movable rod and the corresponding sleeve, a sliding rail is arranged on the inner wall of each limiting sleeve, and a sliding block is arranged on the outer wall of each clamping sleeve. Two buttons are symmetrically arranged on the side wall of each barrel, two limiting plates are symmetrically arranged in each barrel, and the buttons and the limiting plates are fixedly connected. A third spring is connected between each limiting plate and the corresponding barrel, a plurality of inserting rods are arranged on the inner side of each limiting plate, and the inserting rods and the inserting holes are in one-to-one correspondence. The buttons are pressed to conduct core changing easily and conveniently, when chalk is exposed after being used, the hand holding the chalk only needs to press the buttons and cores can be discharged, core discharging is quick, and the cores of two colors can be quickly changed for use.

Description

A kind of quick knockout and change the device of core
Technical field
The utility model relates to a kind of quick knockout and changes the device of core, belongs to mechanical field.
Background technology
Write class pen in use, often knockout and to change the operating procedure of core needs many, the length that expends time in, the chalk sleeve that for example chalk is used, generally needs rotary core knockout; When pencil changes core, the pen cap need to be taken apart and pencil is installed is again used; Need sometimes the pen by two kinds of colors respectively to write, relatively lose time.
Utility model content
The technical problems to be solved in the utility model is for above deficiency, a kind of quick knockout is provided and changes the device of core, have advantages of that the core of changing is convenient, knockout fast, two kinds of color quick-replaceables use.
For solving above technical problem, the utility model is by the following technical solutions: a kind of quick knockout and change the device of core, comprise adapter sleeve and two cylindrical shells, and described adapter sleeve inwall is provided with internal thread, cylinder body outer wall is provided with external screw thread, and adapter sleeve two ends are connected with two cylinder screws respectively;
The inside of described cylindrical shell is fixed with stop collar, is evenly distributed with several jacks on stop collar, and jack is symmetrical vertically;
In described cylindrical shell, be provided with the retaining sleeve that is used for fixing gripped object, between retaining sleeve and the inwall of cylindrical shell, be provided with the first spring, on the outer wall of retaining sleeve, be arranged with two expansion links that can be inserted in jack, expansion link comprises lever and fixed pole, lever can be along fixed pole axially-movable, lever is provided with the baffle plate for anti-arresting lever and fixed pole disengaging, is provided with the second spring between lever and retaining sleeve;
On the sidewall of described cylindrical shell, be arranged with two buttons, in cylindrical shell, be arranged with two plates, button is fixedly connected with plate, is connected with the 3rd spring between plate and cylindrical shell, the inner side of plate is provided with several can insert the inserted link of jack, and inserted link is corresponding one by one with jack.
A kind of prioritization scheme, when described inserted link is inserted into jack, the front end of inserted link is concordant with the inwall of stop collar.
Further, described jack is uniformly distributed, and jack is symmetrical along the central shaft of stop collar.
Further, described slide rail is symmetrical along the central shaft of stop collar.
Further, on the inwall of described stop collar, be axially arranged with two slide rails, on the outer wall of retaining sleeve, be arranged with two slide blocks that can coordinate with slide rail.
The utility model adopts after above technical scheme, compared with prior art, has the following advantages: adopt the setting of button, plate and expansion link, can realize fast knockout and change core, the especially setting of button, makes knockout and change core convenient; The setting of slide rail, slide block, can make equipment operation more steady; Can use by two kinds of color quick-replaceables.
Below in conjunction with drawings and Examples, the utility model is elaborated.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment middle cylinder body;
Accompanying drawing 2 is structural representations of stop collar and retaining sleeve in accompanying drawing 1;
Accompanying drawing 3 is fast knockouts and change the structural representation of the device of core in the utility model embodiment
In figure,
1-cylindrical shell, 2-stop collar, 3-limiting plate, 4-the first spring, 5-retaining sleeve, 6-button, 7-inserted link, 8-jack, 9-expansion link, 10-the second spring, 11-slide rail, 12-slide block, 13-the 3rd spring, 14-lever, 15-fixed pole, 16-baffle plate, 17-adapter sleeve.
Detailed description of the invention
Embodiment 1, in the present embodiment, gripped object used is chalk.
As shown in Figure 1, Figure 2 and Figure 3, a kind of quick knockout and change the device of core, comprises adapter sleeve 17 and two cylindrical shells 1, and the inwall of adapter sleeve 17 is provided with internal thread, and the outer wall of cylindrical shell 1 is provided with external screw thread, and the two ends of adapter sleeve 17 are threaded with two cylindrical shells 1;
The inside of cylindrical shell 1 is fixed with stop collar 2, and stop collar 2 is provided with several jacks 8;
In cylindrical shell 1, be provided with the retaining sleeve 5 that is used for fixing gripped object, between the inwall of retaining sleeve 5 and cylindrical shell 1, be provided with the first spring 4, on the outer wall of retaining sleeve 5, be arranged with two expansion links 9 that can be inserted in jack 8, expansion link 9 comprises lever 14 and fixed pole 15, lever 14 can be along fixed pole 15 axially-movables, lever 14 is provided with for anti-arresting lever 14 and the baffle plate 16 that fixed pole 15 departs from, and is provided with the second spring 10 between lever 14 and retaining sleeve 5;
The inwall of stop collar 2 is provided with slide rail 11, and the outer wall of retaining sleeve 5 is provided with the slide block 12 that can coordinate with slide rail 11;
On the sidewall of cylindrical shell 1, be arranged with two buttons 6, in cylindrical shell 1, be arranged with two plates 3, button 6 is fixedly connected with plate 3, is connected with the 3rd spring 13 between plate 3 and cylindrical shell 1, the inner side of plate 3 is provided with several inserted links 7 that can insert jack 8, and inserted link 7 is corresponding one by one with jack 8.
When inserted link 7 is inserted into jack 8, the front end of inserted link 7 is concordant with the inwall of stop collar 2.
When inserted link 7 is inserted into jack 8, the front end of inserted link 7 is concordant with the inwall of stop collar 2.
Jack 8 is uniformly distributed, and jack 8 is symmetrical along the central shaft of stop collar 2;
Slide rail 11 is symmetrical along the central shaft of stop collar 2.
Embodiment 2, the other guide except sliding-rail sliding, no longer another attached accompanying drawing.
When above-described embodiment 1 and embodiment 2 use, first two cylindrical shells 1 are inserted in adapter sleeve 17, then chalk is inserted in cylindrical shell 1, the step of insertion is:
Press two buttons 6, limiting plate 3 is moved to stop collar 2, inserted link 8 is inserted in jack 7 and is concordant with the inwall of stop collar 2, now the 3rd spring 13 is in elongation state, chalk is inserted in retaining sleeve 5 and by retaining sleeve 5 and shifts bottom onto, and now the first spring 4, in compressive state, is decontroled button 6, inserted link 8 is pulled out jack 7 by the 3rd spring 13, and expansion link 9 is inserted in jack 7 under the promotion of the second spring 10.
In use procedure, when the chalk exposing is finished, press respectively two buttons 6 with thumb and the forefinger of the hand of tube-holding body 1, inserted link 8 is inserted in jack 7, now the 3rd spring 13 is in elongation state, expansion link 9 is flexible, the second spring 10 is in compressive state, the first spring 4 promotes retaining sleeve 5 and outwards slides, and decontrols button 6, under the effect of the 3rd spring 13, extracts inserted link 8 out jack 7, in the time that expansion link 9 slides into jack 7, under the promotion of the second spring 10, expansion link 9 is protruding is inserted in jack 7, and expose chalk outside, just can proceed to use.
Use finally, press button 6 remaining chalk end is extracted, then insert new chalk and continue to use.
In the time that needs colour changing is used, only need the cylindrical shell 1 of hand-held respective color chalk.
The utility model also can adopt other classes such as pencil as gripped object.
The above is giving an example of the utility model preferred forms, and the part of wherein not addressing is in detail those of ordinary skill in the art's common practise.Protection domain of the present utility model is as the criterion with the content of claim, and any equivalent transformation carrying out based on technology enlightenment of the present utility model, also within protection domain of the present utility model.

Claims (5)

1. a quick knockout and change the device of core, comprise adapter sleeve (17) and two cylindrical shells (1), it is characterized in that: described adapter sleeve (17) inwall is provided with internal thread, and the outer wall of cylindrical shell (1) is provided with external screw thread, adapter sleeve (17) two ends are threaded with two cylindrical shells (1) respectively;
The inside of described cylindrical shell (1) is fixed with stop collar (2), and stop collar (2) is provided with several jacks (8);
In described cylindrical shell (1), be provided with the retaining sleeve (5) that is used for fixing gripped object, between the inwall of retaining sleeve (5) and cylindrical shell (1), be provided with the first spring (4), on the outer wall of retaining sleeve (5), be arranged with two expansion links (9) that can be inserted in jack (8), expansion link (9) comprises lever (14) and fixed pole (15), lever (14) can be along fixed pole (15) axially-movable, lever (14) is provided with the baffle plate (16) departing from for anti-arresting lever (14) and fixed pole (15), between lever (14) and retaining sleeve (5), be provided with the second spring (10),
On the sidewall of described cylindrical shell (1), be arranged with two buttons (6), in cylindrical shell (1), be arranged with two plates (3), button (6) is fixedly connected with plate (3), between plate (3) and cylindrical shell (1), be connected with the 3rd spring (13), the inner side of plate (3) is provided with several inserted links that can insert jack (8) (7), and inserted link (7) is corresponding one by one with jack (8).
2. quick knockout as claimed in claim 1 and change the device of core, is characterized in that: when described inserted link (7) is inserted into jack (8), the front end of inserted link (7) is concordant with the inwall of stop collar (2).
3. the device of fast quick change core as claimed in claim 1 and knockout, is characterized in that: described jack (8) is uniformly distributed, jack (8) is symmetrical along the central shaft of stop collar (2).
4. the device of fast quick change core as claimed in claim 1 and knockout, is characterized in that: described slide rail (11) is symmetrical along the central shaft of stop collar (2).
5. the device of fast quick change core as claimed in claim 1 and knockout, is characterized in that: the inwall of described stop collar (2) is provided with slide rail (11), the outer wall of retaining sleeve (5) is provided with the slide block (12) that can coordinate with slide rail (11).
CN201420284030.5U 2014-05-30 2014-05-30 Device for quickly discharging and changing cores Expired - Fee Related CN203844463U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420284030.5U CN203844463U (en) 2014-05-30 2014-05-30 Device for quickly discharging and changing cores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420284030.5U CN203844463U (en) 2014-05-30 2014-05-30 Device for quickly discharging and changing cores

Publications (1)

Publication Number Publication Date
CN203844463U true CN203844463U (en) 2014-09-24

Family

ID=51557519

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420284030.5U Expired - Fee Related CN203844463U (en) 2014-05-30 2014-05-30 Device for quickly discharging and changing cores

Country Status (1)

Country Link
CN (1) CN203844463U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105458954A (en) * 2015-12-17 2016-04-06 合保电气(芜湖)有限公司 Clamping rod for electric power system
CN107627759A (en) * 2017-11-06 2018-01-26 吴国秋 A kind of pen core apparatus for automatic change
CN111688388A (en) * 2020-05-20 2020-09-22 南京掌学在线信息科技有限公司 Vertical surface chalk blackboard writing auxiliary writing device and method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105458954A (en) * 2015-12-17 2016-04-06 合保电气(芜湖)有限公司 Clamping rod for electric power system
CN107627759A (en) * 2017-11-06 2018-01-26 吴国秋 A kind of pen core apparatus for automatic change
CN107627759B (en) * 2017-11-06 2019-03-15 余灵楚 A kind of pen core apparatus for automatic change
CN111688388A (en) * 2020-05-20 2020-09-22 南京掌学在线信息科技有限公司 Vertical surface chalk blackboard writing auxiliary writing device and method thereof
CN111688388B (en) * 2020-05-20 2021-04-16 南京掌学在线信息科技有限公司 Vertical surface chalk blackboard writing auxiliary writing device and method thereof

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Date Code Title Description
C14 Grant of patent or utility model
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: 20140924

Termination date: 20160530