CN202471328U - Device for testing plugging and unplugging force of blind mate A (BMA) connector - Google Patents
Device for testing plugging and unplugging force of blind mate A (BMA) connector Download PDFInfo
- Publication number
- CN202471328U CN202471328U CN2012200908728U CN201220090872U CN202471328U CN 202471328 U CN202471328 U CN 202471328U CN 2012200908728 U CN2012200908728 U CN 2012200908728U CN 201220090872 U CN201220090872 U CN 201220090872U CN 202471328 U CN202471328 U CN 202471328U
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- sleeve
- contact pin
- connector
- handwheel
- pin
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Abstract
The utility model relates to the field of blind mate A (BMA) connectors, in particular to a device for testing the plugging and unplugging force of a BMA connector. The device comprises a sleeve and a pin, wherein the sleeve consists of a cylindrical wall and a cylindrical bottom; a through hole is formed at the cylindrical bottom; the pin enters one end of the sleeve and penetrates through the other end of the sleeve; the head of the pin can penetrate through the through hole or shrink when the pin moves relative to the sleeve; and the tail of the pin has a connection structure. The device for testing the plugging and unplugging force of the BMA connector has the advantages that by matching the pin and the sleeve, the length of the pin which extends out of the sleeve can be adjusted and set according to the actual length of the pins on different connector male contacts; a measured plugging and unplugging force value is an actual matching value of the connector male contacts and connector female contacts; and meanwhile, the tail of the pin has the connection structure, so counter weight blocks with different weights can be matched, a function of testing different plugging and unplugging force is realized, independent measuring equipment is not required to be used, actual measuring speed is improved, and cost is saved.
Description
Technical field
The utility model relates to the BMA field of connectors, especially a kind of blind proving installation of joining A type connector BMA contact engaging and separating force.
Background technology
Blind A type connector (the Blind Mate A that joins; BMA) claim blind socket, connector again; Comprise the female head of connector male head and connector, the head of connector male head is a contact pin, and the metal lobe of corresponding contact pin structure is arranged on the female head of connector; It is inner that contact pin inserts the metal lobe, relies on friction force that contact pin is not dropped out from the female head of connector.The power that connector male head is extracted from the female head of connector is called contact engaging and separating force.This kind syndeton volume is little, and contact is reliable, is widely used in the connection of module in the modularization machine product.
The contact engaging and separating force size of BMA connector after grafting is to weigh a connective important indicator of BMA connector.The inner wire size of the BMA connector of different manufacturers, different model is inconsistent, the difference of the degree of depth in joining mutually, will occur mating.Present testing scheme mainly contains two kinds:
First kind of detection mode is: use and hang the gram counterweight, its front end is fixing, as to simulate a connector male head contact pin, and tail end is a weight.Instrument requires to make according to standard weights; Contact pin inserts the female head of connector fully during test; The adjustment direction makes testing tool unsettled downward vertically; The weight of contact engaging and separating force testing tool self just leans on the coupling of female head of connector and instrument contact pin to support fully like this, if testing tool does not come off naturally, thinks that then contact engaging and separating force meets the demands;
Second kind of detection mode is: with being fixed on the dynameter after connector male head and the female head grafting of the connector cooperation, confirm from the reading of dynameter whether contact engaging and separating force reaches the requirement of regulation.
But because the difference of BMA manufacturer, there is inconsistent situation in the contact pin of the connector male head of same model with the length of the metal lobe of the female head of connector, and the degree of depth that causes the contact pin of the public head of the mutual timing of connector of different manufacturers to mate is inconsistent.Contact engaging and separating force when the contact pin that first kind of detection mode can only detect the contact engaging and separating force instrument inserts mother to be tested fully can not detect the matching effect of different product when actual match of different manufacturers; Second kind of detection mode must be applied to the testing apparatus of specialty, and cost is higher.And need to adopt the connector of different manufacturers just can carry out the test under the various match condition, difficulty is bigger, the fast detecting requirement that is not suitable for producing in batches.
The utility model content
For improving the problem that exists in the prior art; The utility model proposes a kind of proving installation of the blind A of joining type connector BMA contact engaging and separating force; Have the drawback that testing tool can not test out connector male head and the female actual match effect of connector now in order to improve, and the too high problem of the cost of avoiding the Application Major testing apparatus to cause.
The blind proving installation of joining A type connector BMA contact engaging and separating force that the utility model proposes comprises:
Sleeve, said sleeve was made up of the barrel and the tube end, and the tube end of said sleeve, be provided with through hole;
Contact pin, the axis of said contact pin from an end of sleeve along sleeve penetrates, and can pass from the other end, and contact pin is movable and locking with respect to sleeve; The head of contact pin can pass or take in when contact pin moves with respect to sleeve from said through hole, afterbody be provided with can external different balancing weights syndeton.
Cooperation through contact pin and sleeve; Realized that contact pin stretches out the adjusting of the outside length of sleeve, the physical length that can contrast the contact pin on the public head of different connector is provided with, and guarantees that the contact engaging and separating force numerical value of measuring is the actual match numerical value of connector male head and the female head of connector; Simultaneously through being arranged on the syndeton of contact pin afterbody; The balancing weight that can mate Different Weight, the function that has realized testing different contact engaging and separating forces need not to re-use independent measuring equipment; Improve actual measurement speed, practiced thrift cost.
On the actual match of sleeve and contact pin, can be provided with internal thread in said sleeve inner, the interlude of said contact pin is provided with the external thread that matches with said internal thread.
Through being threaded of sleeve and contact pin, the length that makes contact pin stretch out sleeve is more convenient for regulating.
For the ease of the rotation of contact pin, said contact pin stretches out from the phase direction of afterbody, and craniad direction is formed with the tubular handwheel, and the openend of said tubular handwheel wraps in the outside of part sleeve.Said syndeton is arranged on the outer face at the bottom of the tubular handwheel tube.
The cylindrical shape handwheel that forms is convenient to the rotation of contact pin, the convenient adjusting.
Further, can be provided with the rocking handle that drives the rotation of tubular handwheel in the outside of said tubular handwheel.
Rocking handle is set assists the rotation adjusting of handwheel.
Perhaps, on the outer tube wall of said cylindrical shape handwheel, be provided with the protruding rib that is used for handing and driving the rotation of cylindrical shape handwheel.
The effect of protruding rib is identical with the effect of rocking handle, the rotation of the handwheel of can being more convenient for.
For the ease of the installation and the replacing of balancing weight, said balancing weight can be a weight bolt, and the outside of said tubular handwheel is formed with the screw with the threaded engagement of said weight bolt.
The be more convenient for connection of balancing weight of this kind design is convenient for changing.
Concrete, said screw can be arranged on the outer face at the bottom of the said tubular handwheel tube; Also can said screw radial symmetry be arranged on the outer tube wall of said tubular handwheel.
Further, on said sleeve, can be provided with and show that the tubular handwheel advances or the fixedly scale of backway along the length sleeve direction.
Through scale is set, can show more accurately that contact pin stretches out the length of sleeve.
Can also on said tubular handwheel, be provided with being used to of cooperating with said fixedly scale shows that said contact pin advances or the movable mark of the accurate distance retreated.
This kind design class is similar to the milscale structure, can show the displacement of contact pin with respect to sleeve more accurately.
The blind proving installation of joining A type connector BMA contact engaging and separating force that the utility model proposes; Cooperation through contact pin and sleeve; The length that makes contact pin stretch out sleeve can be regulated according to actual conditions; Can measure the contact engaging and separating force of the female actual match of connector male head and connector more accurately, the demands of different big or small to contact engaging and separating force when changing balancing weight and realized female the actual match of connector male head and connector to different model also in addition improved the accuracy of actual measurement; Save the expense of using independent measurement equipment, saved the measurement cost.
Description of drawings
For clear the utility model and the beneficial effect thereof described, in conjunction with following accompanying drawing embodiment is described in detail, wherein:
Fig. 1 is the structural representation of the proving installation of the first kind of blind A of joining type connector BMA contact engaging and separating force providing of the utility model embodiment;
Fig. 2 is the structural representation of the proving installation of the second kind of blind A of joining type connector BMA contact engaging and separating force providing of the utility model embodiment;
Fig. 3 is a rocking handle positional structure synoptic diagram on the tubular handwheel that provides of the utility model embodiment;
Fig. 4 is the structural representation of the tubular handwheel epirelief barring that provides of the utility model embodiment;
Fig. 5 is the structural representation that radial symmetry that the utility model embodiment provides is connected the weight bolt on the tubular handwheel.
Embodiment
BMA (Blind Mate A); The blind A of joining type connector is claimed blind socket, connector again; Comprise the female head of connector male head and connector, the head of connector male head is a contact pin, and the metal lobe of corresponding contact pin structure is arranged on the female head of connector; It is inner that contact pin inserts the metal lobe, relies on friction force that contact pin is not dropped out from the female head of connector.The power that connector male head is extracted from the female head of connector is called contact engaging and separating force.The contact engaging and separating force size of BMA connector after grafting is to weigh a connective important indicator of BMA connector.The inner wire size of the BMA connector of different manufacturers, different model is inconsistent, the difference of the degree of depth in joining mutually, will occur mating.Contact engaging and separating force when the contact pin that existing test mode can only detect the contact engaging and separating force instrument inserts mother to be tested fully can not detect the matching effect of different product when actual match of different manufacturers.Or must be applied to professional testing apparatus, and need to adopt the connector of different manufacturers just can carry out the test under the various match condition, difficulty is bigger, the fast detecting requirement that is not suitable for producing in batches.The blind proving installation of joining A type connector BMA contact engaging and separating force that the utility model proposes through the cooperation of contact pin and sleeve, has realized that contact pin stretches out the adjusting of the outside length of sleeve; The physical length that can contrast the contact pin on the public head of different connector is provided with; Guarantee that the contact engaging and separating force numerical value of measuring is the actual match numerical value of connector male head and the female head of connector, through being arranged on the syndeton of contact pin afterbody, can mate the balancing weight of Different Weight simultaneously; Realized testing the function of different contact engaging and separating forces; Need not to re-use independent measuring equipment, improved actual measurement speed, practiced thrift cost.
Describe the embodiment of the utility model below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the utility model, and can not be interpreted as restriction the utility model.
The blind proving installation of joining A type connector BMA contact engaging and separating force that the utility model proposes comprises
Contact pin 2, the axis of contact pin 2 from an end of sleeve 1 along sleeve 1 penetrates, and can pass from the other end, and contact pin 2 is with respect to sleeve 1 movable and locking; The head of contact pin 2 can pass or take in during with respect to sleeve 1 motion at contact pin 2 from said through hole 11, afterbody be provided with can external different balancing weights syndeton 21.
As shown in Figure 1, sleeve 1 is a tubular structure, and an end of tubular structure has the bottom surface, on the bottom surface, opens a through hole 11.The end that contact pin 2 passes through hole 11 is the head of contact pin 2, and the other end is the afterbody of contact pin 2.The cross section perpendicular to axial direction of sleeve 1 can be circular, or rectangle, or oval, or triangle, or polygon or the like, and the head of contact pin 2 passes from through hole 11, the interlude of contact pin 2 can with the inwall relative fixed of sleeve 1.Concrete fixed form has multiple, for example, can in sleeve 1, fill the bigger resilient material 3 of friction force, makes resilient material 3 wrap the interlude of contact pin 2; When contact pin 2 need stretch out sleeve 1, only with hand promoted the afterbody of contact pin 2, makes the head of contact pin 2 pass through hole 11; When passing qualification length, stop to promote, under resilient material 3 function of friction; Contact pin 2 heads can not taken in the sleeve 1 automatically, can not continue to stretch out sleeve 1 yet, remain on steady state (SS); On the syndeton 21 of contact pin 2 afterbodys, connect the balancing weight of corresponding weight again, just can realize test the connector contact engaging and separating force, simple to operation.
Among the above embodiment, contact pin 2 is directed against the function that above-mentioned various sleeves 1 structure can realize measuring the connector contact engaging and separating force, is that circular sleeve 1 describes in further detail to cross section perpendicular to axial direction below.
As shown in Figure 2, be in the sleeve 1 of circle in cross section perpendicular to axial direction, contact pin 2 with the fixed form of sleeve 1 can be: be provided with internal thread in sleeve 1 inside, the interlude of contact pin 2 is provided with the external thread that matches with internal thread.Concrete structure is following: the interlude of contact pin 2 is arranged to thicker column structure, and the thickness degree of column structure is slightly less than the internal diameter of sleeve 1, on the outer wall of column structure, external thread is set, and makes external thread mate interlock each other with the internal thread of sleeve 1.When rotation contact pin 2; The external thread of column structure screws in sleeve 1 gradually along the internal thread of sleeve 1 inwall, and the head of contact pin 2 passes through hole 11 gradually in column structure screws in the process of sleeve 1, after reaching required length; Stop rotation to contact pin 2; Contact pin 2 stops relative displacement with 1 in sleeve, and the interlock of the internal thread of the external thread of contact pin 2 and sleeve 1 makes the head of contact pin 2 can not continue to pass through hole 11, also can not take in through hole 11 automatically; Realized adjusting, and contact pin 2 locks relatively with sleeve 1 after regulating length to contact pin 2 head length.Cooperate the balancing weight of going up Different Weight in addition again, just can realize test the connector contact engaging and separating force.
For the ease of the rotation of contact pin 2 in sleeve 1, can be further the structure of contact pin 2 be provided with, for example; As shown in Figure 2; Contact pin 2 stretches out from the phase direction of afterbody, and craniad direction is formed with tubular handwheel 22, and the openend of tubular handwheel 22 wraps in the outside of part sleeve 1.Syndeton 21 is arranged on the outer face at the bottom of 22 on the tubular handwheel.
Tubular handwheel 22 forms cover shape structure at the afterbody of contact pin 2, and the openend of cover shape structure can let sleeve 1 penetrate, and through the rotation of tubular handwheel 22, the length that contact pin 2 heads are stretched out more is prone to regulate, and is more laborsaving during adjusting.Like Fig. 2, shown in Figure 3,, can also through rocking handle 24 being applied external force tubular handwheel 22 be rotated at tubular handwheel 22 outer setting rocking handles 24 for the ease of turn tubular handwheel 22.Rocking handle 24 can be arranged on the outer face at the tube end of tubular handwheel 22, also can be arranged on the outer tube wall of tubular handwheel 22, can play the effect of same auxiliary tubular handwheel 22 rotation.
Except rocking handle 24 is set, can also on the outer tube wall of tubular handwheel 22, be provided for protruding ribs 25 hand-held and 22 rotations of driving tubular handwheel, as shown in Figure 4, can play the effect of auxiliary tubular handwheel 22 rotations equally.
Connection and replacing for the ease of balancing weight; Can be set to weight bolt 4 by balancing weight, and at the outer setting and the weight bolt 4 corresponding screws 23 of tubular handwheel 22, as shown in Figure 2; Screw 23 can be arranged on the center of the outer face at the bottom of 22 on the tubular handwheel; When the proving installation of BMA connector contact engaging and separating force was vertically tested contact engaging and separating force, weight bolt 4 was positioned at the below of the proving installation of BMA connector contact engaging and separating force, and weight bolt 4 is coaxial with contact pin 2; Female of connector to be tested is stressed even, therefore makes measurement result more accurate.As shown in Figure 5, the set-up mode of another kind of screw 23 is: screw 23 radial symmetry are arranged on the outer tube wall of tubular handwheel 22.Be equivalent in the setting of barrel symmetria bilateralis; Purpose is to make weight bolt 4 downward gravity in both sides keep balance; Make the female head of connector to be tested receive evenly downward power equally, the proving installation of BMA connector contact engaging and separating force is not occurred about or the front and back deviation, make that to obtain measurement result accurate.
Further; To the relative movement distance of contact pin 2 with sleeve 1; Can show that tubular handwheel 22 advances or the fixedly scale 12 of backway along sleeve 1 length direction in sleeve 1 outer setting, as shown in Figure 2, when 22 rotations of tubular handwheel; The head of contact pin 2 passes or takes in sleeve 1 gradually; Because tubular handwheel 22 wraps in part sleeve 1 outside, so the relative displacement of tubular handwheel 22 and sleeve 1 just can clearly show according to the fixedly scale 12 on the sleeve 1, and the length that makes contact pin 2 stretch out sleeve 1 can be regulated more accurately; In addition, being used to of cooperating with fixing scale 12 can also be set on tubular handwheel 22 show that contact pin 2 advances or the movable mark 26 of the accurate distance retreated, be similar to the adjustment structure of milscale, can further improve the degree of accuracy of regulating contact pin 2 forward travel distances.
The blind proving installation of joining A type connector BMA contact engaging and separating force that the utility model proposes; Cooperation through contact pin and sleeve; The length that makes contact pin stretch out sleeve can be regulated according to actual conditions; Can measure the contact engaging and separating force of the female actual match of connector male head and connector more accurately, the demands of different big or small to contact engaging and separating force when changing balancing weight and realized female the actual match of connector male head and connector to different model also in addition improved the accuracy of actual measurement; Save the expense of using independent measurement equipment, saved the measurement cost.
Although illustrated and described the embodiment of the utility model; Those having ordinary skill in the art will appreciate that: under the situation of principle that does not break away from the utility model and aim; Can carry out multiple variation, modification, replacement and modification to these embodiment, the scope of the utility model is limited claim and equivalent thereof.
Claims (10)
1. a blind proving installation of joining A type connector BMA contact engaging and separating force is characterized in that, comprising:
Sleeve (1), said sleeve (1) was made up of the barrel and the tube end, and the tube end of said sleeve (1), be provided with through hole (11);
Contact pin (2), the axis of said contact pin (2) from an end of sleeve (1) along sleeve (1) penetrates, and can pass from the other end, and contact pin (2) is movable and locking with respect to sleeve (1); The head of contact pin (2) can pass or take in when contact pin (2) moves with respect to sleeve (1) from said through hole (11), afterbody be provided with can external different balancing weights syndeton (21).
2. proving installation as claimed in claim 1 is characterized in that, said sleeve (1) inside is provided with internal thread, and the interlude of said contact pin (2) is provided with the external thread that matches with said internal thread.
3. proving installation as claimed in claim 2; It is characterized in that; Said contact pin (2) stretches out from the phase direction of afterbody; And craniad direction is formed with tubular handwheel (22), and the openend of said tubular handwheel (22) wraps in the outside of part sleeve (1), and said syndeton (21) is arranged on tubular handwheel (22) the tube outer face at the end.
4. proving installation as claimed in claim 3 is characterized in that, the outside of said tubular handwheel (22) is provided with the rocking handle (24) that drives tubular handwheel (22) rotation.
5. proving installation as claimed in claim 4 is characterized in that, said balancing weight is weight bolt (4), and the outside of said tubular handwheel (22) is formed with the screw (23) with the threaded engagement of said weight bolt (4).
6. proving installation as claimed in claim 5 is characterized in that, said screw (23) is arranged on said tubular handwheel (22) the tube outer face at the end.
7. proving installation as claimed in claim 5 is characterized in that, said screw (23) radial symmetry is arranged on the outer tube wall of said tubular handwheel (22).
8. like claim 6 or 7 described proving installations, it is characterized in that said sleeve (1) is provided with and shows that tubular handwheel (22) advances or the fixedly scale (12) of backway along sleeve (1) length direction.
9. proving installation as claimed in claim 8 is characterized in that, said tubular handwheel (22) is provided with being used to of cooperating with said fixedly scale (12) and shows that said contact pin (2) advances or the movable mark (26) of the accurate distance retreated.
10. proving installation as claimed in claim 3 is characterized in that, the outer tube wall of said tubular handwheel (22) is provided with and is used for protruding rib (25) hand-held and driving cylindrical shape handwheel (22) rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200908728U CN202471328U (en) | 2012-03-12 | 2012-03-12 | Device for testing plugging and unplugging force of blind mate A (BMA) connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200908728U CN202471328U (en) | 2012-03-12 | 2012-03-12 | Device for testing plugging and unplugging force of blind mate A (BMA) connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202471328U true CN202471328U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200908728U Expired - Lifetime CN202471328U (en) | 2012-03-12 | 2012-03-12 | Device for testing plugging and unplugging force of blind mate A (BMA) connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202471328U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897566A (en) * | 2015-06-11 | 2015-09-09 | 安庆市德创机电产品设计有限公司 | Positioning detection device for combination degree between protective sleeve and terminal |
| CN106525310A (en) * | 2016-11-12 | 2017-03-22 | 山西江淮重工有限责任公司 | Device and method for precisely measuring sliding friction force between sleeves |
| CN110779867A (en) * | 2019-11-21 | 2020-02-11 | 惠州市迈锐光电有限公司 | Convenient LED display screen wire plug pin seat testing tool |
| CN114659691A (en) * | 2022-03-18 | 2022-06-24 | 杭州中车车辆有限公司 | Connector plug power testing arrangement, locating pin and storehouse of charging |
-
2012
- 2012-03-12 CN CN2012200908728U patent/CN202471328U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897566A (en) * | 2015-06-11 | 2015-09-09 | 安庆市德创机电产品设计有限公司 | Positioning detection device for combination degree between protective sleeve and terminal |
| CN106525310A (en) * | 2016-11-12 | 2017-03-22 | 山西江淮重工有限责任公司 | Device and method for precisely measuring sliding friction force between sleeves |
| CN110779867A (en) * | 2019-11-21 | 2020-02-11 | 惠州市迈锐光电有限公司 | Convenient LED display screen wire plug pin seat testing tool |
| CN110779867B (en) * | 2019-11-21 | 2022-01-18 | 惠州市迈锐光电有限公司 | Convenient LED display screen wire plug pin seat testing tool |
| CN114659691A (en) * | 2022-03-18 | 2022-06-24 | 杭州中车车辆有限公司 | Connector plug power testing arrangement, locating pin and storehouse of charging |
| CN114659691B (en) * | 2022-03-18 | 2024-02-23 | 杭州中车车辆有限公司 | Connector plug power testing arrangement, locating pin and storehouse that charges |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |