KR20160143331A - Zig and apparatus for measuring inserting and removing of snap-fit assembly comprising the same - Google Patents

Zig and apparatus for measuring inserting and removing of snap-fit assembly comprising the same Download PDF

Info

Publication number
KR20160143331A
KR20160143331A KR1020150079882A KR20150079882A KR20160143331A KR 20160143331 A KR20160143331 A KR 20160143331A KR 1020150079882 A KR1020150079882 A KR 1020150079882A KR 20150079882 A KR20150079882 A KR 20150079882A KR 20160143331 A KR20160143331 A KR 20160143331A
Authority
KR
South Korea
Prior art keywords
tip
hook
loop
specimen
jig
Prior art date
Application number
KR1020150079882A
Other languages
Korean (ko)
Other versions
KR102019712B1 (en
Inventor
박형권
이정환
김선우
윤성환
이정노
Original Assignee
주식회사 엘지화학
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 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to KR1020150079882A priority Critical patent/KR102019712B1/en
Publication of KR20160143331A publication Critical patent/KR20160143331A/en
Application granted granted Critical
Publication of KR102019712B1 publication Critical patent/KR102019712B1/en

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0028—Force sensors associated with force applying means
    • G01L5/0033—Force sensors associated with force applying means applying a pulling force
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0028—Force sensors associated with force applying means
    • G01L5/0038—Force sensors associated with force applying means applying a pushing force

Abstract

According to an aspect of the present invention, there is provided a jig and a snap fit inserting / separating force measuring device including the jig, wherein the tension grip having a grip portion for fixing the hook specimen or the loop specimen and the loop tip for engaging with the hook specimen A jig capable of selectively attaching a hook tip for engaging with a loop specimen, a driving portion for moving the tension grip upward and downward relative to the jig, and a snap fit portion including a load cell for measuring the insertion force and the separation force of the specimen and the tip. An insertion / removal force measuring device is provided.

Description

[0001] The present invention relates to a jig and a snap-fit insertion /

The present invention relates to a jig and a snap-fit insertion / removal force measuring device including the same.

Various methods are used to assemble the plastic part (piece), but a snap-fit fastening structure is used to simplify the recycling and assembling process of the material. The snap-fit construction provides a simple yet robust mechanical detachment mechanism.

Typically, the snap fit assembly includes a male hook structure and a female loop structure that fits with the hook structure. For example, the hook structure includes a protrusion, and the loop structure includes a groove portion that engages with the protrusion. In the case of conventional snap-fit assemblies, the theoretical and computational predictions were made for the insertion force and the separation force. However, the insertion force and the separation force of the snap fit assembly need to be supported by actual experimental results as well as the theoretical approach for design optimization, and development of a jig and a measuring device for measuring the force is required.

The present invention provides a jig capable of measuring an insertion force and a separation force of a snap fit assembly and a snap fit insertion / release force measurement device including the same.

According to an aspect of the present invention, there is provided a method of measuring an insertion force and a separation force of a snap-fit assembly having a hook and a loop structure engaged with a hook, A tensile grip having a grip portion for holding a hook specimen or a loop specimen and a loop tip for engaging with the hook specimen and a hook tip for engaging with the loop specimen can be selectively mounted on the jig and the jig. And a load cell for measuring an insertion force and a separation force of the test piece and the tip are provided.

According to still another aspect of the present invention, there is provided a method of manufacturing a semiconductor device, comprising: a first member rotatably mounted on a base member and a base member; a second member slidably mounted on the first member in a first direction; There is provided a jig including a third member which is slidably mounted in two directions and in which a loop tip or a hook tip is detachably mounted.

As described above, the jig and the snap fit inserting / separating force measuring device including the same according to an embodiment of the present invention have the following effects.

You can measure insertion and removal forces while replacing the loop tip or hook tip. In addition, the jig and the tension grip can be aligned through the rotation / parallel movement. In addition, the insertion force and the separation force of the snap pit assembly can be measured by replacing the lower grip of the conventional tensile tester with the jig according to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a snap-fit insertion / removal force measuring device according to an embodiment of the present invention; FIG.
2 is a perspective view showing a jig according to an embodiment of the present invention.
3 is an exploded perspective view showing a jig according to an embodiment of the present invention.
4 is a perspective view illustrating a hook tip associated with the present invention.
5 is a perspective view showing a loop tip related to the present invention.

Hereinafter, a jig for measuring an insertion force and a separation force of a snap pit assembly according to an embodiment of the present invention, and a snap fit insertion / removal force measuring device (hereinafter, referred to as a 'measurement device' Will be described in detail with reference to the drawings.

In addition, the same or corresponding reference numerals are given to the same or corresponding reference numerals regardless of the reference numerals, and redundant description thereof will be omitted. For convenience of explanation, the size and shape of each constituent member shown in the drawings are exaggerated or reduced .

1 is a perspective view of a main portion showing a snap fit insertion / removal force measurement device 100 according to an embodiment of the present invention.

2 is a perspective view showing a jig 200 related to an embodiment of the present invention, and Fig. 3 is an exploded perspective view showing a jig 200 related to an embodiment of the present invention.

4 is a perspective view showing a hook tip 310 related to the present invention, and Fig. 5 is a perspective view showing a loop tip 320 related to the present invention.

The present invention relates to a measuring device for measuring an insertion force and a separation force of a snap-fit assembly having a hook and a loop structure engaged with a hook.

The present invention also relates to a jig for mounting a hook tip or a loop tip for measuring an insertion force and a separation force of a snap fit assembly having a hook and a loop structure engaged with a hook, .

Referring to FIG. 1, the measuring apparatus 100 includes a tension grip 110 having a grip portion for securing a hook specimen 10 or a loop specimen (not shown). The hook specimen 10 and the loop specimen are formed of a resin material as an object of measurement of the insertion force and the separation force.

The measuring apparatus 100 also includes a jig 200 to which a loop tip 320 for engaging with the hook specimen 10 or a hook tip 310 for selectively engaging the loop specimen can be selectively mounted.

The measuring apparatus 100 includes a driving unit (not shown) for moving the tensile grip 110 up and down with respect to the jig 200, a load cell for measuring the insertion force and the separation force of the sample and the tip Not shown).

Here, the tension grip 110, the driving unit, and the load cell may be the same as those of a commonly used tensile testing machine (UTM), and a detailed description thereof will be omitted.

Also, the tension grip 110 corresponds to the upper grip of the tensile testing machine, and the jig 200 corresponds to the lower grip of the tensile testing machine. Here, when the conventional lower grip is replaced with the jig 200 of the present invention, the insertion force and the separation force of the snap fit assembly can be measured. In particular, the insertion force can be measured by lowering the tension grip 110, and in the case of the separation force, the tension grip 110 can be measured. Reference numeral 120 denotes a mounting rod for mounting the jig 200 to the measuring apparatus 100.

2 and 3, the jig 200 includes a base member 210 and a first member 220 rotatably mounted on the base member 210. The base member 210 may be a circular plate. The base member 210 is provided with a rotation shaft 211. The first member 220 is rotatably mounted on the rotating shaft 211 of the base member 210 and a rotating ring 215 is provided between the rotating shaft 211 of the base member 210 and the first member 220. [ Can be provided. In addition, the base member 210 may be provided with an angle display unit 212 along the circumferential direction.

The jig 200 includes a second member 230 slidably mounted on the first member 220 in a first direction P1.

The jig 200 is mounted on the second member 230 so as to be slidable in the second direction P2 and includes a third member 240 on which the loop tip 320 or the hook tip 310 is mounted . Further, the third member 240 is detachably mounted with the loop tip 320 or the hook tip 310. [ Further, the first direction P1 and the second direction P2 may be orthogonal to each other. The loop tip 320 or the hook tip 310 attached to the third member 240 is connected to the base member 310 so as to be aligned with the hook specimen 10 or the loop specimen provided on the tension grip 110, / RTI > and / or < / RTI >

4, the hook tip 310 has a protrusion 311, and the hook tip 310 has a through hole 312 formed therein. A fixing pin (not shown) to be described later is inserted through the through hole 312. 5, the loop tip 320 has a groove portion 321, and the loop tip 320 has a through hole 322 formed therein. A fixing pin (not shown) to be described later is inserted through the through hole 322.

Further, the third member 240 is provided with an insertion groove 242 for insertion of the loop tip 320 or the hook tip 310.

The jig 200 further includes a fixing pin inserted into the third member 240 through the loop tip 320 or the hook tip 310. [ The loop tip 320 or the hook tip 310 may be attached to the third member 240 through the fixing pin inserted into the third member 243 while passing through the loop tip 320 or the hook tip 310 And is detachably mounted.

At this time, the fixing pin may be inserted into the third member 240 along the second direction P2. The third member 240 is provided with an insertion hole 243 for inserting a fixing pin and the insertion hole 243 is provided along the second direction P2. The loop tip 320 or the hook tip 310 is inserted into the insertion groove 242 of the third member 240 so that the fixing pin can sequentially pass through the insertion hole 243 and the through holes 322 and 312 . For example, the loop tip 320 or the hook tip 310 may be inserted into the insertion groove 242 (or 242) so that the through holes 322 and 312 of each tip are positioned coaxially with the insertion hole 243 of the third member 240 ).

2 and 3, the first member 220 is provided with a first guide groove 221 along a first direction P1 and the second member 230 is provided with a first guide groove 221 A first guide protrusion 231 to be inserted may be provided. The second member 220 is provided with a second guide groove 233 along the second direction P2 and the third member 240 is provided with a second guide protrusion 241 inserted into the second guide groove . Further, the slide movement distance along the first direction P1 may be set to be larger than the slide movement distance along the second direction P2. The first member 220 and the second member 230 may be provided with length indicators 222 and 232 along the first direction and the second direction, respectively.

The jig 200 may further include at least one first locking member 250 for fixing the position of the first member 220 with respect to the base member 210. The base member 210 is provided with a mounting hole 213 to which the first locking member 250 is mounted. In addition, the first locking member 250 may be provided so as to move up and down according to rotation in a state of being inserted into the mounting hole 213. [ For example, when the first locking member 250 is rotated in the first direction, the first locking member 250 is moved upward, and the first locking member 250 is moved in the second direction opposite to the first direction When rotated, the first locking member 250 is lowered, and accordingly, the upper surface of the first member 220 can be fixed by pressing.

The jig 200 may also include one or more second locking members 260 for fixing the position of the third member 240 relative to the first member 220. The first member 220 is provided with a mounting hole 223 for mounting the second locking member 260 and the second locking member 260 operates in the same manner as the first locking member 250.

Meanwhile, the hook specimen 10 or the loop specimen may be formed of a resin material, and the hook tip 310 or the loop tip 320 may be formed of a metal material.

The foregoing description of the preferred embodiments of the present invention has been presented for purposes of illustration and various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention, And additions should be considered as falling within the scope of the following claims.

10: Hook specimen
100: Snap fit insertion / removal force measuring device
110: Tension grip
200: jig
210: Base member
220: first member
230: second member
240: third member
310: Hook tip
320: Loop tip

Claims (18)

A measuring device for measuring an insertion force and a releasing force of a snap-fit assembly having a hook and a loop structure engaged with a hook,
A tension grip having a grip portion for securing the hook specimen or the loop specimen;
A jig capable of selectively mounting a loop tip or a hook tip for engaging the loop specimen with the hook specimen;
A driving unit for moving the tension grip upward and downward relative to the jig; And
And a load cell for measuring the insertion force and the separation force of the sample and the tip. 2. The jig according to claim 1,
A base member;
A first member rotatably mounted on the base member;
A second member slidably mounted on the first member in a first direction; And
And a third member slidably mounted to the second member in a second direction, the third member being mounted with a loop tip or a hook tip. 3. The method of claim 2,
The loop tip or hook tip is mounted to the third member by a fixing pin inserted into the third member through the loop tip or the hook tip. The method according to claim 1,
And the fixing pin is inserted into the third member along the second direction. 3. The method of claim 2,
Wherein the first direction and the second direction are orthogonal to each other. The method according to claim 1,
The first member is provided with a first guide groove along the first direction,
And the second member is provided with a first guide protrusion inserted into the first guide groove. The method according to claim 1,
The second member is provided with a second guide groove along the second direction,
And the third member is provided with a second guide projection to be inserted into the second guide groove. 3. The method of claim 2,
And a first locking member for fixing the position of the first member with respect to the base member. The method according to claim 1,
And a second locking member for fixing the position of the third member with respect to the first member. The method according to claim 1,
The hook specimen or the loop specimen is formed of a resin material,
The hook tip or loop tip is made of a metal material. 3. The method of claim 2,
Wherein the base member is provided with an angle display portion along the circumferential direction. The method according to claim 1,
Wherein the first member and the second member are provided with length display portions in the first direction and the second direction, respectively. A jig for attaching a hook tip or a loop tip to measure an insertion force and a separation force of a snap fit assembly composed of a hook and a loop structure engaged with a hook,
A base member;
A first member rotatably mounted on the base member;
A second member slidably mounted on the first member in a first direction; And
And a third member slidably mounted in a second direction on the second member, the third member being detachably mounted on the loop tip or the hook tip. 14. The method of claim 13,
And the third member is provided with an insertion groove for insertion of the loop tip or the hook tip. 14. The method of claim 13,
Further comprising a fixing pin inserted into the third member while passing through the loop tip or hook tip. 16. The method of claim 15,
And the fixing pin is inserted into the third member along the second direction. 14. The method of claim 13,
Wherein the first direction and the second direction are orthogonal to each other. 14. The method of claim 13,
Wherein the slide movement distance along the first direction is set larger than the slide movement distance along the second direction.
KR1020150079882A 2015-06-05 2015-06-05 Zig and apparatus for measuring inserting and removing of snap-fit assembly comprising the same KR102019712B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150079882A KR102019712B1 (en) 2015-06-05 2015-06-05 Zig and apparatus for measuring inserting and removing of snap-fit assembly comprising the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150079882A KR102019712B1 (en) 2015-06-05 2015-06-05 Zig and apparatus for measuring inserting and removing of snap-fit assembly comprising the same

Publications (2)

Publication Number Publication Date
KR20160143331A true KR20160143331A (en) 2016-12-14
KR102019712B1 KR102019712B1 (en) 2019-11-04

Family

ID=57575519

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150079882A KR102019712B1 (en) 2015-06-05 2015-06-05 Zig and apparatus for measuring inserting and removing of snap-fit assembly comprising the same

Country Status (1)

Country Link
KR (1) KR102019712B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102094702B1 (en) * 2019-11-25 2020-03-30 신창호 Pressure input and release force measuring device for press-fitted parts

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990034690U (en) * 1999-01-20 1999-09-06 장기철 Vise for machine tools
JP3114796U (en) * 2005-05-31 2005-10-27 株式会社島津製作所 Specimen gripping device
KR200408958Y1 (en) * 2005-11-25 2006-02-15 경신공업 주식회사 a bottom jig of a tester
KR20070114075A (en) * 2007-07-12 2007-11-29 동해전장 주식회사 A vise apparatus
CN102980704A (en) * 2012-12-10 2013-03-20 深圳市宏之都科技有限公司 Insertion and extraction force testing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990034690U (en) * 1999-01-20 1999-09-06 장기철 Vise for machine tools
JP3114796U (en) * 2005-05-31 2005-10-27 株式会社島津製作所 Specimen gripping device
KR200408958Y1 (en) * 2005-11-25 2006-02-15 경신공업 주식회사 a bottom jig of a tester
KR20070114075A (en) * 2007-07-12 2007-11-29 동해전장 주식회사 A vise apparatus
CN102980704A (en) * 2012-12-10 2013-03-20 深圳市宏之都科技有限公司 Insertion and extraction force testing device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Elliot Scientific Catalogue, [online], 2009년, https://www.elliotscientific.com/image/data/pdf/EMCatalogue.pdf* *

Also Published As

Publication number Publication date
KR102019712B1 (en) 2019-11-04

Similar Documents

Publication Publication Date Title
US7437956B2 (en) Pull testing mechanism
US20150078812A1 (en) A device for quick splicing of a display screen
US9003673B2 (en) Depth testing device
US8161659B2 (en) Measurement device
CN1380539A (en) Instrument and method for measuring stretching resistance of fastening
CN109186994A (en) A kind of charging interface plug and pull out detector
CN105698637A (en) Test tool for engine mounting bracket
KR20160143331A (en) Zig and apparatus for measuring inserting and removing of snap-fit assembly comprising the same
KR101316888B1 (en) A socket board changing apparatus
CN211955586U (en) Test structure and probe device comprising a plurality of test structures
JP2011005615A (en) Clip holder, and molding accuracy inspection tool having the same
KR101316826B1 (en) Probe apparatus for inspecting small electronic components
KR20160013350A (en) Vertical guide apparatus of specimen and a tensile tester of usin it
CN208567693U (en) A kind of sound equipment upper cover hole size detection jig
TWI417514B (en) Measuring device
JP2015222216A (en) Force sensor testing device
CN212364423U (en) Resistance test tool
CN210533229U (en) Motor shaft extension size detection device
CN209085910U (en) A kind of charging interface plug and pull out detector
CN220773220U (en) Chip fixture and chip failure analysis system
US20140030013A1 (en) Fixing mechanism
KR102436663B1 (en) Apparatus for loading component
CN218382893U (en) Floating testing device and testing sorting machine
CN210588925U (en) Multi-direction angle anchor clamps of L molded lines restraints support
CN218412708U (en) Test equipment

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant