CN112414684A - Holding power testing device - Google Patents
Holding power testing device Download PDFInfo
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- CN112414684A CN112414684A CN202011040976.3A CN202011040976A CN112414684A CN 112414684 A CN112414684 A CN 112414684A CN 202011040976 A CN202011040976 A CN 202011040976A CN 112414684 A CN112414684 A CN 112414684A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- 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
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Abstract
The invention discloses a holding power testing device which comprises a first fitting piece and a second fitting piece which can move relatively, wherein a testing part is arranged on the first fitting piece, a limiting part is arranged on the second fitting piece, a through hole is formed in the limiting part, the testing part partially penetrates out of the through hole, the testing part is used for being in inserted fit with a to-be-tested piece, and the limiting part is used for blocking the to-be-tested piece from passing through the through hole. Above-mentioned retention test device, if remove first fitting piece or second fitting piece, the test piece that awaits measuring can support in spacing portion, spacing portion can promote the test piece of awaiting measuring, if the retention of awaiting measuring the test piece and test portion grafting is not enough, then the test piece of awaiting measuring can break away from test portion, the test piece that awaits measuring is unqualified this moment of explanation, above-mentioned retention test device, only need to await measuring the test piece and test portion grafting, and make first fitting piece and second fitting piece have relative motion, can test the retention of test piece when pegging graft, high durability and convenient installation, the condition of erroneous judgement can not appear, the accuracy of judgement has been improved.
Description
Technical Field
The invention relates to the technical field of test equipment, in particular to a holding power test device.
Background
For electrical connector terminals, reliability is the most important indicator, and the retention force that the terminal has determines the reliability of the terminal. The terminal of new energy automobile or rail transit connector requires more harsher, consequently requires strict management and control in the production stage, can realize full inspection best, guarantees the reliability of terminal. However, the traditional test equipment has a complex test process, is not easy to install and test, and is easy to have misjudgment.
Disclosure of Invention
Based on the above, the invention provides the retention force testing device which is convenient to install and accurate in judgment, and overcomes the defects of the prior art.
The technical scheme is as follows:
the utility model provides a holding power testing arrangement, includes first fitting piece and the second fitting piece of relative movement, be equipped with the test portion on the first fitting piece, be equipped with spacing portion on the second fitting piece, be equipped with the through-hole in the spacing portion, the test portion part is worn out the through-hole, the test portion be used for with the cooperation of pegging graft of the piece that awaits measuring, spacing portion is used for blockking the piece that awaits measuring passes through the through-hole.
In the retention test device, the test part on the first fitting piece penetrates through the through hole on the limiting part, the part of the test piece to be tested and the part of the test part extending out of the limiting part can be inserted, the limiting part can block the test piece to be tested from passing through the through hole, so that if the first fitting piece or the second fitting piece is moved, the first fitting piece and the second fitting piece have the tendency of being away from each other, the test piece to be tested can be propped against the limiting part, the limiting part can push the test piece to be tested, the test piece to be tested is subjected to the pulling force of being separated from the test part, if the retention force of the test piece to be tested and the test part in insertion is insufficient, the test piece to be tested can be separated from the test part, at the moment, the test piece to be tested is unqualified, the retention test device only needs to be inserted into the test part, and the first fitting piece and the second fitting piece have relative motion, and if the to-be-tested piece is separated from the testing part in the testing process, the to-be-tested piece is proved to be unqualified, the condition of misjudgment is avoided, and the judgment accuracy is improved.
In one embodiment, the holding power testing apparatus further includes a base and a driving member, the first mating member is configured to be placed on the base, the second mating member is slidably engaged with the base, and the driving member is configured to drive the second mating member to move upward.
In one embodiment, the holding power testing device further comprises a third fitting piece, the third fitting piece is arranged on the base and comprises a blocking portion, the first fitting piece is provided with a first position and a second position which are sequentially arranged from bottom to top, when the first fitting piece is located at the first position, the first fitting piece is in contact with the base, when the first fitting piece is located at the second position, the first fitting piece is separated from the base and is in contact with the blocking portion, and the blocking portion is used for preventing the first fitting piece from moving upwards.
In one embodiment, a stop portion is disposed on a side surface of the first mating member, the stop portion is spaced from the base, and the stop portion contacts the base when the first mating member is located at the first position, or the stop portion is located between the stop portion and the base, and the stop portion contacts the stop portion when the first mating member is located at the second position.
In one embodiment, the number of the blocking parts is two, a guide space is defined between the two blocking parts, and the first matching piece is arranged in the guide space.
In one embodiment, the second fitting piece is provided with a first yielding hole, the limiting part is erected on the second fitting piece and covers the first yielding hole, the testing part sequentially penetrates through the first yielding hole and the through hole, and the aperture of the first yielding hole is larger than or equal to that of the through hole.
In one embodiment, the second fitting piece is further provided with a second yielding hole, the second yielding hole is communicated with the first yielding hole to form a stepped hole structure, the aperture of the second yielding hole is larger than that of the first yielding hole, and the limiting part is arranged in the second yielding hole.
In one embodiment, the second matching member includes a first mold plate and at least two guide posts, the limiting portion is disposed on the first mold plate, the guide posts penetrate through the base and are in sliding fit with the base, and the two guide posts are disposed on two sides of the first matching member respectively.
In one embodiment, the base includes a second mold plate and a third mold plate connected to each other, the second mold plate is located above the third mold plate, the first mating member is used to be placed on the second mold plate, the guide posts penetrate through the second mold plate, the driving member is disposed on the third mold plate, and the driving member is used to drive the guide posts to move.
In one embodiment, the second matching element further includes a fourth mold plate, the fourth mold plate is disposed between the second mold plate and the third mold plate, one end of the guide post, which is far away from the first mold plate, is connected to the fourth mold plate, and the driving element is configured to drive the fourth mold plate to move.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and are not intended to limit the invention.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of a retention test apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a holding force testing device according to an embodiment of the present invention.
Description of reference numerals:
100. the testing device comprises a first matching piece, 110, a testing part, 120, a stop part, 200, a second matching piece, 210, a limiting part, 220, a first template, 230, a guide post, 240, a fourth template, 300, a base, 310, a second template, 320, a third template, 400, a driving part, 500, a third matching piece, 510, a blocking part, 520, a first side plate, 10 and a piece to be tested.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
As shown in fig. 1 and 2, an embodiment discloses a holding power testing device, which includes a first fitting piece 100 and a second fitting piece 200 that can move relatively, a testing portion 110 is disposed on the first fitting piece 100, a limiting portion 210 is disposed on the second fitting piece 200, a through hole is disposed on the limiting portion 210, the testing portion 110 partially penetrates through the through hole, the testing portion 110 is used for being in plug-in fit with a piece to be tested 10, and the limiting portion 210 is used for blocking the piece to be tested 10 from passing through the through hole.
In the retention test apparatus, the testing portion 110 of the first fitting element 100 is inserted through the through hole of the position-limiting portion 210, the testing element 10 and the testing portion 110 can be inserted into each other, because the position-limiting portion 210 can block the testing element 10 from passing through the through hole, if the first fitting element 100 or the second fitting element 200 is moved, so that the first fitting element 100 and the second fitting element 200 tend to be away from each other, the testing element 10 will abut against the position-limiting portion 210, the position-limiting portion 210 will push the testing element 10, so that the testing element 10 will be subjected to a pulling force away from the testing portion 110, if the retention force of the insertion of the testing element 10 and the testing portion 110 is insufficient, the testing element 10 will be separated from the testing portion 110, which means that the testing element 10 is not qualified, in the retention test apparatus, only needs to insert the testing element 10 into the testing portion 110, and cause the first fitting element 100 and the second fitting element 200 to have relative motion, the holding power of the test piece 10 to be tested during plugging can be tested, the installation is convenient, and if the test piece 10 to be tested is separated from the test part 110 in the test process, the unqualified test piece 10 is illustrated, the condition of misjudgment cannot occur, and the judgment accuracy is improved.
Alternatively, the testing part 110 and the test piece 10 may be terminals and plugs matched in an electrical connector. Wherein the piece under test 10 may be a terminal or a plug. When the to-be-tested piece 10 is a plug, an auxiliary piece can be arranged outside the to-be-tested piece 10 and used for placing the plug to pass through the through hole, and the auxiliary piece is detachably connected with the plug.
In other embodiments, the test portion 110 and the test piece 10 may be connected by plugging, and the plugging firmness may be tested by the retention force testing device.
Optionally, the testing portion 110 is detachably connected to the first fitting member 100, and the testing portion 110 can be replaced to test different test pieces 10. Specifically, the holding power testing device further comprises a fixing member, wherein an assembling cylinder is arranged on the first fitting member 100, a fixing hole is formed in the side surface of the assembling cylinder, and the testing part 110 can be inserted into the assembling cylinder and penetrate through the fixing hole and the testing part 110 by using the fixing member, so that the testing member is fixed on the first fitting member 100 and is convenient to detach.
In one embodiment, as shown in fig. 1, the retention test apparatus further includes a base 300 and a driving member 400, the first engaging member 100 is configured to be placed on the base 300, the second engaging member 200 is slidably engaged with the base 300, and the driving member 400 is configured to drive the second engaging member 200 to move upward. When the driving member 400 drives the second fitting member 200 to move upward, the second fitting member 200 can slide and move upward relative to the base 300, and along with the upward movement of the second fitting member 200, the position-limiting portion 210 on the second fitting member 200 can abut against the to-be-tested piece 10 and push the to-be-tested piece 10 to move upward, and the to-be-tested piece 10 is inserted into the testing portion 110 on the first fitting member 100, and the to-be-tested piece 10 drives the first fitting member 100 to move upward through the insertion fit with the testing portion 110, and the first fitting member 100 is initially located on the base 300, so that the first fitting member 100 is driven to move upward to overcome the self-gravity of the first fitting member 100, that is, only when the retention force of the to-be-tested piece 10 inserted into the testing portion 110 is greater than the self-gravity of the first fitting member 100, the first fitting member 100 can move upward along with the second fitting member 200, so as to set the mass of the first fitting, whether the holding power of the piece to be tested 10 is qualified or not is known, if the piece to be tested 10 is separated from the testing part 110 in the testing process, the piece to be tested 10 is unqualified, the piece to be tested 10 and the testing part 110 continuously keep the insertion state, the piece to be tested 10 is qualified, the judging mode is more visual, and misjudgment is not easy.
When the second fitting member 200 is not moved up to drive the first fitting member 100 to leave the base 300, or the device under test 10 is separated from the testing portion 110 during the test, it is determined that the device under test 10 is an unqualified device.
Optionally, the product of the mass of the first mating member 100 and the acceleration of gravity is greater than or equal to the minimum acceptable retention force of the test piece 10, if the test piece 10 to be tested does not separate from the testing portion 110 during the testing process, it indicates that the retention force of the test piece 10 to be tested is greater than or equal to the gravity of the first mating member 100, and further indicates that the retention force of the test piece 10 to be tested is inevitably greater than or equal to the minimum acceptable retention force of the test piece 10, and at this time, the test piece 10 to be tested inevitably meets the product requirements and is a qualified piece.
In one embodiment, as shown in fig. 1, the holding power testing apparatus further includes a third fitting member 500, the third fitting member 500 is disposed on the base 300, the third fitting member 500 includes a blocking portion 510, the first fitting member 100 has a first position and a second position sequentially disposed from bottom to top, when the first fitting member 100 is located at the first position, the first fitting member 100 contacts the base 300, when the first fitting member 100 is located at the second position, the first fitting member 100 is separated from the base 300 and contacts the blocking portion 510, and the blocking portion 510 is used for preventing the first fitting member 100 from moving upward. When the first fitting piece 100 moves up under the driving of the second fitting piece 200, the first fitting piece 100 can move from the first position to the second position, and at this time, the to-be-tested piece 10 does not depart from the testing part 110, which means that the retention force of the to-be-tested piece 10 meets the requirement, when the first fitting piece 100 moves to the second position, the first fitting piece 100 can be blocked by the blocking part 510, so that the plugging fit of the to-be-tested piece 10 and the testing part 110 needs to bear the gravity of the first fitting piece 100, and also needs to bear the resistance of the blocking part 510, and if the to-be-tested piece 10 does not depart from the testing part 110, which means that the retention force of the to-be-tested piece 10 is too large, and is not easy to pull out again after plugging, and also does not meet the requirement.
In addition, the first engaging element 100 needs to be further displaced upward by a certain distance before contacting the blocking portion 510, and whether the test piece 10 is a qualified piece can be further determined by checking whether the test piece 10 is separated from the testing portion 110 during the displacement.
Optionally, when the first engaging element 100 abuts against the stopping portion 510, the force applied to the device under test 10 is actually the pushing force of the driving element 400, so that the pushing force of the driving element 400 is set to be less than or equal to the maximum acceptable holding force of the device under test 10, if the device under test 10 is separated from the testing portion 110 after the first engaging element 100 abuts against the stopping portion 510 during the testing process, the holding force of the device under test 10 is less than or equal to the pushing force of the driving element 400, and thus the holding force of the device under test 10 is inevitably less than the maximum acceptable holding force of the device under test 10, and the device under test 10 is an acceptable device, otherwise, the device under test is an unacceptable device.
In one embodiment, as shown in fig. 1, a stop portion 120 is disposed on a side surface of the first mating member 100, the blocking portion 510 is disposed at an interval from the base 300, when the first mating member 100 is located at the first position, the stop portion 120 contacts the base 300, or the stop portion 120 is located between the blocking portion 510 and the base 300, when the first mating member 100 is located at the second position, the stop portion 120 contacts the blocking portion 510. At this moment, the blocking portion 510 only needs to limit and abut against the stopper portion 120, so that the first fitting piece 100 cannot continue to move upwards, the blocking portion 510 does not need to limit the whole first fitting piece 100, and the blocking portion 510 can be arranged on the side of the first fitting piece 100, so that the space occupied by the third fitting piece 500 and the first fitting piece 100 in the vertical direction can be reduced, the overall size can be reduced, and the operation of inserting the test piece 10 and the test portion 110 is convenient.
In other embodiments, the blocking portion 510 may also be disposed on a side of the first mating member 100 away from the base 300.
In one embodiment, as shown in fig. 1, there are two blocking portions 510, a guide space is defined between the two blocking portions 510, and the first mating member 100 is disposed in the guide space. Two stops 510 can carry on spacingly to the removal of first fitting piece 100 this moment, and when waiting to test 10 and test portion 110 and break away from, first fitting piece 100 can be followed the guide space and removed, the ascending displacement in the horizontal direction can not appear, can counterpoint the accuracy when guaranteeing that next side is pegged graft, has improved the accuracy of testing to can prevent the incident that first fitting piece 100 displacement caused, improve the security performance.
Optionally, as shown in fig. 1, the third mating element 500 further includes a first side plate 520 and a second side plate, two ends of the blocking portion 510 are respectively connected to the first side plate 520 and the second side plate, and the first side plate 520, the second side plate and the two blocking portions 510 can cooperate to enclose the above-mentioned guiding space, so as to improve the limiting effect on the first mating element 100. Specifically, the two side plates of the first side plate 520 and the second side plate are bent in the direction approaching each other and connected to the blocking portion 510, so as to improve the structural strength of the third mating member 500.
Optionally, a buffer is disposed between the first fitting member 100 and the base 300, for preventing the first fitting member 100 from being in hard contact with the base 300 when falling, protecting the base 300, and reducing noise.
In one embodiment, a first yielding hole is formed in the second fitting piece 200, the limiting portion 210 is erected on the second fitting piece 200 and covers the first yielding hole, the testing portion 110 sequentially penetrates through the first yielding hole and the through hole, and the aperture of the first yielding hole is larger than or equal to that of the through hole. The testing part 110 needs to penetrate through the through hole, the aperture of the first yielding hole in the second fitting part 200 is larger than or equal to that of the through hole, even if the testing part 110 with different sizes is replaced, the first yielding hole in the second fitting part 200 can still allow the testing part 110 to penetrate through, the limiting part 210 is arranged on the second fitting part 200 in a lap mode, only the limiting parts with the through holes with different apertures need to be replaced, the testing of the holding power of the to-be-tested parts 10 with different specifications can be achieved, and the replacement is simpler.
In other embodiments, the first recess hole may be a through hole, so that the through hole is in clearance fit with the testing portion 110, and the aperture of the through hole is smaller than that of the test piece 10, so as to perform the retention test.
In one embodiment, the second fitting member 200 is further provided with a second yielding hole, the second yielding hole is communicated with the first yielding hole to form a stepped hole structure, the aperture of the second yielding hole is larger than that of the first yielding hole, and the limiting portion 210 is disposed in the second yielding hole. At this time, the limiting portion 210 can be set up at the joint of the first yielding hole and the second yielding hole after being placed into the second yielding hole, the second yielding hole is used for limiting the limiting portion 210, the limiting portion 210 is prevented from moving, and the through hole and the first yielding hole are aligned.
Optionally, an extending portion is disposed on one side of the limiting portion 210, the extending portion extends into the first yielding hole, the extending portion is cylindrical, and the extending portion is sleeved outside the testing portion 110, and at this time, the limiting portion 210 may also serve as a sheath to prevent the testing portion 110 from directly contacting the second limiting member, so as to protect the testing portion 110.
In one embodiment, as shown in fig. 1, the second mating member 200 includes a first mold plate 220 and at least two guide posts 230, the position-limiting portion 210 is disposed on the first mold plate 220, the number of the guide posts 230 is at least two, the guide posts 230 penetrate through the base 300 and are slidably engaged with the base 300, wherein the two guide posts 230 are disposed on two sides of the first mating member 100 respectively. The movement of the second fitting piece 200 can be guided by the matching of the guide post 230 and the base 300, so that the second fitting piece 200 is prevented from being inclined in displacement, and the accuracy of the test can be improved.
Optionally, the retaining force testing apparatus further includes a shaft sleeve, the base 300 is provided with a guide hole engaged with the guide post 230, and the shaft sleeve is sleeved outside the guide post 230 and inside the guide hole to prevent hard contact such as friction between the guide post 230 and the base 300.
In one embodiment, as shown in fig. 1, the base 300 includes a second mold plate 310 and a third mold plate 320 connected to each other, the second mold plate 310 is located above the third mold plate 320, the first mating member 100 is configured to be placed on the second mold plate 310, the guide posts 230 penetrate through the second mold plate 310, the driving member 400 is disposed on the third mold plate 320, and the driving member 400 is configured to drive the guide posts 230 to move. When the first engaging member 100 moves upward and contacts the blocking portion 510, since the blocking portion 510 is connected to the base 300 and the driving member 400 is disposed on the third mold plate 320, the first engaging member 100 cannot push the blocking portion 510 to move, thereby preventing the blocking portion 510 from moving and causing the test failure. For example, when the driving member 400 is disposed at another location, the driving member 400 pushes the second mating member 200 to move upward, the second mating member 200 drives the first mating member 100 to move upward through the insertion of the to-be-tested piece 10 and the testing portion 110, when the first mating member 100 moves upward to the blocking portion 510, if the weight of the base 300 is light, the blocking portion 510 will drive the base 300 to be pushed up by the first mating member 100, so that it cannot be determined whether the maximum holding force of the to-be-tested piece 10 is greater than or equal to the maximum acceptable holding force, and the testing result will be affected.
In one embodiment, as shown in fig. 1, the second mating member 200 further includes a fourth mold plate 240, the fourth mold plate 240 is disposed between the second mold plate 310 and the third mold plate 320, one end of the guide post 230 away from the first mold plate 220 is connected to the fourth mold plate 240, and the driving member 400 is used for driving the fourth mold plate 240 to move. At this time, the driving member 400 drives the fourth template 240 to drive different guide posts 230 to move synchronously, so as to prevent the first template 220 from being skewed to affect the contact posture of the test piece 10 to be tested and the first template 220, and further affect the test of the holding force of the test piece 10 to be tested.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Claims (10)
1. The utility model provides a holding power testing arrangement, its characterized in that includes first fitting piece and the second fitting piece of relative movement, be equipped with test portion on the first fitting piece, be equipped with spacing portion on the second fitting piece, be equipped with the through-hole in the spacing portion, test portion part is worn out the through-hole, test portion be used for with the cooperation of pegging graft of the piece that awaits measuring, spacing portion is used for blockking the piece that awaits measuring passes through the through-hole.
2. The device for testing retention of claim 1, further comprising a base and a driving member, wherein the first engaging member is configured to be placed on the base, the second engaging member is slidably engaged with the base, and the driving member is configured to move the second engaging member upward.
3. The retention test device of claim 2, further comprising a third fitting member, wherein the third fitting member is disposed on the base, the third fitting member comprises a blocking portion, the first fitting member has a first position and a second position sequentially arranged from bottom to top, when the first fitting member is located at the first position, the first fitting member contacts the base, when the first fitting member is located at the second position, the first fitting member is separated from the base and contacts the blocking portion, and the blocking portion is used for preventing the first fitting member from moving upward.
4. The device for testing the retention according to claim 3, wherein a stop portion is provided on a side surface of the first mating member, the stop portion is spaced from the base, and the stop portion is in contact with the base when the first mating member is located at the first position, or the stop portion is located between the stop portion and the base, and the stop portion is in contact with the stop portion when the first mating member is located at the second position.
5. The retention test apparatus of claim 4, wherein the number of the blocking portions is two, a guide space is defined between the two blocking portions, and the first engaging member is disposed in the guide space.
6. The holding power testing device of claim 2, wherein the second fitting member is provided with a first yielding hole, the limiting portion is erected on the second fitting member and covers the first yielding hole, the testing portion sequentially penetrates through the first yielding hole and the through hole, and the aperture of the first yielding hole is larger than or equal to that of the through hole.
7. The holding power testing device of claim 6, wherein the second fitting member further comprises a second yielding hole, the second yielding hole is communicated with the first yielding hole to form a stepped hole structure, the diameter of the second yielding hole is larger than that of the first yielding hole, and the limiting portion is disposed in the second yielding hole.
8. The device for testing retention according to any one of claims 2 to 7, wherein the second mating member includes a first mold plate and at least two guide posts, the position-limiting portion is disposed on the first mold plate, the guide posts penetrate through the base and slidably engage with the base, and the two guide posts are disposed on two sides of the first mating member respectively.
9. The device for testing retention according to claim 8, wherein the base comprises a second mold plate and a third mold plate connected to each other, the second mold plate is located above the third mold plate, the first mating member is configured to be placed on the second mold plate, the guide posts penetrate through the second mold plate, the driving member is disposed on the third mold plate, and the driving member is configured to drive the guide posts to move.
10. The device for testing retention of claim 9, wherein the second mating member further comprises a fourth mold plate disposed between the second mold plate and the third mold plate, wherein an end of the guide post away from the first mold plate is connected to the fourth mold plate, and the driving member is configured to drive the fourth mold plate to move.
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| CN202011040976.3A CN112414684A (en) | 2020-09-28 | 2020-09-28 | Holding power testing device |
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| CN202011040976.3A CN112414684A (en) | 2020-09-28 | 2020-09-28 | Holding power testing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280401A (en) * | 2021-12-23 | 2022-04-05 | 昆山洺九机电有限公司 | Side-push testing device and equipment |
| KR102719315B1 (en) | 2022-09-07 | 2024-10-18 | 더블유에스엔지니어링 주식회사 | Launch vehicle simulator for testing launch vehicle ground fixture |
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| CN205981517U (en) * | 2016-07-29 | 2017-02-22 | 常州赛华汉诚电子有限公司 | Sound video connector draws force test device |
| CN106706434A (en) * | 2016-12-14 | 2017-05-24 | 歌尔股份有限公司 | Tension testing device and tension testing method |
| CN108896383A (en) * | 2018-07-17 | 2018-11-27 | 江西艾克实业有限公司 | A kind of pull-out test mechanism for a variety of connectors |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114280401A (en) * | 2021-12-23 | 2022-04-05 | 昆山洺九机电有限公司 | Side-push testing device and equipment |
| CN114280401B (en) * | 2021-12-23 | 2024-09-24 | 昆山洺九机电有限公司 | Side pushing testing device and equipment |
| KR102719315B1 (en) | 2022-09-07 | 2024-10-18 | 더블유에스엔지니어링 주식회사 | Launch vehicle simulator for testing launch vehicle ground fixture |
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Application publication date: 20210226 |