CN217721637U - Circuit board surface mounting carrier - Google Patents
Circuit board surface mounting carrier Download PDFInfo
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- CN217721637U CN217721637U CN202221127937.1U CN202221127937U CN217721637U CN 217721637 U CN217721637 U CN 217721637U CN 202221127937 U CN202221127937 U CN 202221127937U CN 217721637 U CN217721637 U CN 217721637U
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- circuit board
- sidewall
- elastic
- locking
- elastic locking
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Abstract
The utility model relates to a printed circuit board technical field especially relates to a circuit board surface mounting carrier, include: the carrier body, wherein, the carrier body has the depressed part, the diapire of depressed part is formed with the annular support face that is used for supporting the edge part of circuit board, the elastic locking piece certainly annular support face place plane below is explored in order to stretch into to spacing downthehole that the circuit board was seted up, and with spacing hole is kept away from the lateral wall butt at circuit board center, for the circuit board provides and keeps away from the effort of circuit board center direction, consequently, the utility model discloses in a plurality of elastic locking pieces can be simultaneously and continuously drag the circuit board, with circuit board stable mounting in the inside of depressed part, firm clamping status, can make the circuit board when the in-process of being processed, avoided the circuit board to take place the phenomenon that vibrations squinted out the carrier body because of the centre gripping unstability, improve dress quality, welding quality.
Description
Technical Field
The utility model relates to a printed circuit board technical field especially relates to a circuit board surface mounting carrier.
Background
In the SMT (surface mount technology) field, all equipment has a transmission track, which requires that no components must be placed within 5mm of the edge of the circuit board, i.e., the area where two or four edges of the circuit board are added is used for track transmission of the circuit board, also called "process edge", which is not part of the circuit board and is removed after the circuit board is manufactured, but the process edge is an extra part, which is an added part for adapting to production equipment, which increases the cost of the circuit board;
therefore, the circuit board is fixed on the tray in a double-sided adhesive tape mode in the prior art, but the circuit board still vibrates and has displacement, so that the circuit board is not suitable for surface mounting with high density and high precision.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a circuit board surface mounting carrier for under the prerequisite on the limit of not using technology, stably process the circuit board.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the utility model provides a circuit board surface mounting carrier, include: a carrier body, wherein:
the carrier body is provided with a concave part;
the bottom wall of the depressed part is provided with an annular supporting surface for supporting the edge part of the circuit board;
the carrier body has the elastic locking piece, the elastic locking piece has and is located in the region that the annular holding surface encloses, and follows a plurality of support columns that the extending direction of annular holding surface distributes, the support column certainly annular holding surface place plane below is visited in order to stretch into to spacing downthehole that the circuit board was seted up, and with spacing hole is kept away from the lateral wall butt at circuit board center, for the circuit board provides keeps away from the effort of circuit board center direction.
Therefore, the utility model is provided with an annular supporting surface for supporting the circuit board, so that the sunken part can fully hold the circuit board inside, the carrier body replaces the circuit board process to transmit on the production line, the circuit board can not contact and collide with the side wall of the sunken part when in use and processing, simultaneously, the utility model is also provided with a plurality of elastic locking parts, and the elastic locking parts are annularly arranged below the plane of the annular supporting surface, when the carrier body holds the circuit board, a plurality of supporting columns can extend to the inside of a plurality of limiting holes and abut against the side wall of the limiting hole far away from the center of the circuit board, and simultaneously, under the action of the elastic locking parts restoring the elastic deformation, the elastic locking parts exert an acting force on the circuit board far away from the center direction of the circuit board and close to the inner side wall direction of the sunken part, the circuit board is dragged that a plurality of elastic locking pieces can be simultaneously and last, with the inside at the depressed part of circuit board stable mounting, firm clamping state, can make the circuit board when the in-process of processing, avoided the circuit board to take place the phenomenon that vibrations squint out the carrier body because of the centre gripping is unstable, simultaneously, a plurality of elastic locking pieces do not all stretch out the surface of concave part for the treating processing face of circuit board can not consequently receive the interference, during the in-process of circuit board processing, the utility model discloses a circuit board high density, high accuracy surface mounting can guarantee simultaneously that circuit board printing, paster, reflow soldering are accessible and accomplish, and elastic locking piece can restrict the circuit board simultaneously and because of the different high temperature deformation that produces of each layer material, improves and pastes dress quality, welding quality.
In some embodiments, the elastic locking part further comprises a connecting seat and a limiting block, the limiting block is arranged on one side, away from the supporting column, of the connecting seat, the supporting column comprises a buckle positioning column and an elastic resetting device, and the elastic resetting device is used for driving the buckle positioning column to be switched between the locking station and the resetting station.
In some embodiments, the elastic resetting device includes a spring disposed inside the buckle positioning column, one end of the spring is connected to an inner side wall of the buckle positioning column far away from the connecting seat, and the other end of the spring is connected to a side wall of the connecting seat near the buckle positioning column.
In some embodiments, the elastic resetting device includes a spring buckle, one end of the spring buckle is fixedly mounted on the side wall of the limiting groove close to one side of the limiting block, and the other end of the spring buckle is fixedly mounted on the side wall of the limiting block close to one side of the limiting groove.
In some embodiments, a locking groove for accommodating an elastic locking member is formed in the carrier body, the elastic locking member has a locking station and a resetting station, when the elastic locking member is located at the locking station, the elastic locking member extends into the limiting hole and is in locking fit with the circuit board, and when the elastic locking member is located at the resetting station, the elastic locking member is far away from the limiting hole.
In some embodiments, the locking groove includes a first locking sidewall and a second locking sidewall that are located at opposite positions, the first locking sidewall and the second locking sidewall are respectively provided with a limiting groove, and the limiting grooves are communicated with the locking groove.
In some embodiments, the recess includes a first sidewall, a second sidewall, a third sidewall, and a fourth sidewall, the second sidewall and the third sidewall form the annular supporting surface, the first sidewall is perpendicular to the second sidewall, the second sidewall is perpendicular to the third sidewall, the third sidewall is perpendicular to the fourth sidewall, the first sidewall, the third sidewall and the fourth sidewall are parallel to each other, and the fourth sidewall is provided with a plurality of heat dissipation holes.
In some embodiments, a distance h is provided between an end face of the support pillar away from the fourth side wall and an end face of the circuit board away from the fourth side wall1The following relationship is satisfied:
h1＝0.1mm。
in some embodiments, the height H of the wiring board and the height H of the first sidewall satisfy the following relationship:
H＝h+0.2mm。
in some embodiments, the distance D between the side wall of the circuit board close to one side of the elastic locking member and the second side wall satisfies the following relationship:
D＝0.3mm。
drawings
FIG. 1 is a schematic view of an embodiment of the present invention showing a carrier body without a circuit board;
FIG. 2 is a schematic view of a circuit board structure of a carrier body according to an embodiment of the present invention;
FIG. 3 is a schematic view of the elastic locking member disposed inside the limiting groove according to the embodiment of the present invention;
FIG. 4 is a schematic view of a limiting groove and a locking groove in an embodiment of the present invention;
fig. 5 is a schematic view of the elastic locking member at a in fig. 1 according to an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of the elastic locking member according to the embodiment of the present invention;
FIG. 7 is a side view of the structure of the elastic locking member according to the embodiment of the present invention;
FIG. 8 is a perspective view of the elastic locking member according to the embodiment of the present invention;
FIG. 9 is a schematic view of a recess structure according to an embodiment of the present invention;
FIG. 10 is a schematic view of the structure of the heat dissipation holes in the embodiment of the present invention;
fig. 11 is a schematic diagram of the distance H in the embodiment of the present invention;
fig. 12 is a schematic diagram of the distance D in the embodiment of the present invention;
FIG. 13 shows a distance h according to an embodiment of the present invention1A schematic diagram of (a);
FIG. 14 is a schematic view of a spacing hole in an embodiment of the present invention;
fig. 15 is a sectional view of a limiting hole in an embodiment of the present invention;
FIG. 16 is a schematic view of the locking of the elastic locking member and the circuit board according to the embodiment of the present invention;
fig. 17 is a schematic structural view of an unlocked circuit board of an elastic locking member according to an embodiment of the present invention;
FIG. 18 is a schematic structural view of a circuit board with a locked elastic locking member according to an embodiment of the present invention;
fig. 19 is a schematic view of an embodiment of the present invention;
fig. 20 is a schematic view of another embodiment of the present invention.
Wherein, in the figure: 1-carrier body, 2-circuit board, 3-limiting groove, 4-connecting seat, 5-limiting block, 6-buckle positioning column, 7-limiting hole, 8-locking groove, 9-spring buckle, 10-first side wall, 11-second side wall, 12-third side wall, 13-fourth side wall, 14-tension spring, 15-spring and 16-heat dissipation hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1 to 20, the utility model provides a circuit board surface mounting carrier, including: a carrier body 1, wherein:
the carrier body 1 is provided with a concave part;
the bottom wall of the sunken part is provided with an annular supporting surface for supporting the edge part of the circuit board 2;
In one possible implementation, as shown in fig. 1 and 2, a concave portion is formed on the carrier body 1, the carrier body 1 replaces the circuit board 2 to process and transmit on the production line, and can be obtained from the figure, the concave portion is a sidewall step, the bottom wall is a hollow structure, and the size of the concave portion is larger than that of the circuit board 2, so that the circuit board 2 can not contact and collide with the sidewall of the concave portion when the circuit board 2 is used and processed, and the utility model is provided with an annular supporting surface for supporting the circuit board 2, so that the concave portion can fully accommodate the circuit board 2 into the concave portion, and simultaneously, the utility model is also provided with a plurality of elastic locking members, and the plurality of elastic locking members are annularly arranged below the plane of the annular supporting surface, when the carrier body 1 accommodates the circuit board 2, the support columns can extend to the inside of the limit holes 7, the support columns and the limit holes 7 are abutted against the side wall of the circuit board 2 away from the center, meanwhile, under the effect that the elastic locking parts restore elastic deformation, the elastic locking parts apply an acting force on the circuit board 2 away from the center direction of the circuit board 2 and close to the inner side wall direction of the concave part, namely, the elastic locking parts can continuously pull the circuit board 2 at the same time, the circuit board 2 is stably installed in the concave part, and the stable clamping state can ensure that the circuit board 2 is in the process of processing, so that the phenomenon that the circuit board 2 is vibrated and deviated from the carrier body 1 due to unstable clamping is avoided, and meanwhile, the elastic locking parts do not stretch out of the surfaces of the concave parts, so that the surface to be processed of the circuit board 2 cannot be interfered, and when the circuit board 2 is processed, the utility model discloses a high-density circuit board 2, high accuracy surface mounting can guarantee simultaneously that circuit board 2 printing, paster, reflow soldering accessible accomplish, and the elastic locking piece can restrict circuit board 2 simultaneously because of the different high temperature deformation that produces of each layer material, improves dress quality, welding quality.
And simultaneously the utility model provides a material of elastic locking member includes aluminum alloy or synthetic stone, when guaranteeing elastic locking member self intensity, has reduced the weight of elastic locking member self in the at utmost, thereby makes the utility model provides an elastic locking member self weight is little, and intensity is high, has improved the practicality.
In a possible implementation manner, as shown in fig. 3 and 4, a locking groove 8 for accommodating an elastic locking member is formed in the carrier body 1, when the elastic locking member has a locking station and a resetting station, the elastic locking member is located at the locking station, the elastic locking member probes into the inside of the limiting hole 7 and is in locking fit with the circuit board 2, and when the elastic locking member is located at the resetting station, the elastic locking member is far away from the limiting hole 7.
The locking groove 8 comprises a first locking side wall and a second locking side wall which are located at opposite positions, the first locking side wall and the second locking side wall are respectively provided with a limiting groove 3, the limiting grooves 3 are communicated with the locking groove 8, and the limiting grooves 3 and the locking groove 8 are mutually perpendicular on the carrier body 1.
Elastic reset device includes spring buckle 9, and spring buckle 9's one end fixed mounting is on the lateral wall that spacing groove 3 is close to limiting block 5 one side, and spring buckle 9's other end fixed mounting is on the lateral wall that limiting block 5 is close to limiting groove 3 one side.
At this time, as can be seen from fig. 3, the elastic locking member is installed inside the locking groove 8, and meanwhile, the limiting groove 3 is communicated with the locking groove 8, the limiting groove 3 and the locking groove 8 are perpendicular to each other on the carrier body 1, and meanwhile, as can be seen from the figure, the size of the locking groove 8 is slightly larger than that of the elastic locking member, so that the elastic locking member can be fully installed inside the locking groove 8, one end of the spring buckle 9 visible in fig. 4 is fixedly installed on the side wall of the limiting groove 3 close to one side of the limiting block 5, and the other end of the spring buckle 9 is fixedly installed on the side wall of the limiting block 5 close to one side of the limiting groove 3, so that the limiting groove 3 and the limiting block 5 can provide two opposite stress points for the spring buckle 9, and it is ensured that when the elastic locking member is switched between a reset station and a locking station, the two opposite stress points can fully exert the elastic deformation restoring effect of the spring buckle 9, it is ensured that the elastic locking member can perform relative motion inside the locking groove 8, and it is ensured that a plurality of elastic locking members can simultaneously and continuously pull the circuit board 2.
In a possible embodiment, refer to fig. 4, the utility model provides an another embodiment, elastic reset device includes spring buckle 9, the one end fixed mounting of spring buckle 9 is on the lateral wall that spacing groove 3 is close to stopper 5 one side, the other end fixed mounting of spring buckle 9 is on the lateral wall that stopper 5 is close to spacing groove 3 one side, connect the one end of spring buckle 9 on stopper 5, the other end of spring buckle 9 is connected on the lateral wall of buckle reference column 6, thereby the utility model provides a carrier body 1 is when using, under the effect of spring buckle 9, can switch buckle reference column 6 to the locking station by the reset station, make buckle reference column 6 extend to the inside of spacing hole 7 just, in-process, a plurality of buckle reference columns 6 are simultaneous working, treat that a plurality of buckle reference columns 6 all extend to spacing hole 7 inside after, spring buckle 9 resumes self elastic deformation's effect, the jump ring can apply one to buckle reference column 6 and keep away from 2 central directions of circuit board, the effort that is close to the depressed part direction, lock inside of depressed part 2 in the depressed part, the inside of depressed part of circuit board 5 and spacing groove 3 can not keep away from the cooperation of the inside wall of stopper 4 of the cooperation of the connecting seat of spring buckle when the fastener is provided, thereby the connection seat can not take place the cooperation of the sunken part of buckle 4, the sunken part of the cooperation of the inboard wall of buckle 2, thereby can not take place the cooperation of the connection seat, the inboard wall of the cooperation of the inboard wall of the buckle 2, thereby the connection seat, the inboard wall of the connection seat can not take place.
In a possible implementation manner, as shown in fig. 5-8, the elastic locking member further includes a connecting seat 4 and a limiting block 5, the limiting block 5 is disposed on one side of the connecting seat 4 away from the supporting column, the supporting column includes a buckle positioning column 6 and an elastic resetting device, and the elastic resetting device is used for driving the buckle positioning column 6 to switch between a locking station and a resetting station.
In a possible embodiment, refer to fig. 6 specifically, which is a schematic diagram of the elastic locking member without the elastic resetting device, in this figure, the limiting block 5 and the buckle locking column in the elastic locking member are kept on the same straight line parallel to the axis direction of the connecting seat 4, and under the action of the limiting block 5, a force bearing point can be provided for the spring 15 resetting device, so that the elastic resetting device can be more fluent when the elastic locking member is driven to be switched from the locking station to the resetting station.
Thereby among the above-mentioned structure, divide into rigid fixation's connecting seat 4 and stopper 5 and have elastic motion's support column with the elastic locking piece, wherein the support column is under elastic resetting device's effect, reciprocating motion can be done to inside buckle reference column 6, reciprocating by switching between station and the locking station that resets, when the in-process of using, the buckle location switches to the locking station, the buckle location extends to the inside in locking hole, thereby in-process at circuit board 2 processing, under the effect that the piece resets in elasticity, can last carry out the centre gripping with circuit board 2, the stability of circuit board 2 processing has been improved.
In a possible implementation manner, as shown in fig. 9 and 10, the recessed portion includes a first sidewall 10, a second sidewall 11, a third sidewall 12, and a fourth sidewall 13, the second sidewall 11 and the third sidewall 12 form an annular supporting surface, the first sidewall 10 is perpendicular to the second sidewall 11, the second sidewall 11 is perpendicular to the third sidewall 12, the third sidewall 12 is perpendicular to the fourth sidewall 13, the first sidewall 10, the third sidewall 12 and the fourth sidewall 13 are parallel to each other, and the fourth sidewall 13 is provided with a plurality of heat dissipation holes 16.
The utility model provides a depressed part structure is as shown in fig. 9, wherein first lateral wall 10 in the depressed part is perpendicular with second lateral wall 11, second lateral wall 11 is perpendicular with third lateral wall 12, third lateral wall 12 is perpendicular with fourth lateral wall 13, first lateral wall 10, third lateral wall 12 is parallel to each other with fourth lateral wall 13, adopt foretell structure promptly, make the depressed part be the echelonment, wherein still be equipped with the annular holding surface that second lateral wall 11 and third lateral wall 12 formed, can play the effect of support installation to circuit board 2, in addition, the depressed part that adopts the echelonment can hide the bottom at circuit board 2 with the elastic locking piece, when the in-process of processing, the elastic locking piece can not find out to the face of waiting to process of circuit board 2, when having avoided circuit board 2 at the in-process of processing, the printing processing of circuit board 2 is interfered to the elastic locking piece.
And the increase of louvre 16 can make the diapire of depressed part be the fretwork form, circuit board 2 is when fixing to the inside of depressed part, the periphery of circuit board 2 is supported by the annular holding surface that second lateral wall 11 and third lateral wall 12 formed, make circuit board 2 be close to the position region at the center and be in unsettled state, circuit board 2 is when the in-process of processing simultaneously, the fretwork form of diapire can dodge 2 bottom elements of circuit board, and circuit board 2 is hot-blast that the in-process produced, also can be discharged by 16 inside backward flows of louvre, guarantee circuit board 2 in-process temperature stability.
In one possible implementation, as shown in fig. 11 to 13, the height H of the circuit board 2 and the height H of the first side wall 10 satisfy the following relationship:
H＝h+0.2mm。
the distance D between the side wall of the circuit board 2 close to one side of the elastic locking piece and the second side wall 11 satisfies the following relation:
D＝0.3mm。
the distance h between one end face of the supporting column far away from the fourth side wall 13 and one end face of the circuit board 2 far away from the fourth side wall 131The following relationship is satisfied:
h1＝0.1mm。
therefore, in the above structure, as shown in fig. 11, the height H of the circuit board 2 is 0.2mm higher than the height H of the first side wall 10, so that when the circuit board 2 is placed inside the recess, the whole surface to be processed of the circuit board 2 can protrude from the inside of the recess, and the surface to be processed of the circuit board 2 is higher than the recess, that is, the surface to be processed of the circuit board 2 is higher than the carrier body 1, and this design prevents the processing equipment from contacting the surface of the carrier body 1 when the circuit board 2 is processed.
As shown in fig. 12, the distance of 0.3mm is also left between the side wall of the circuit board 2 close to one side of the elastic locking member and the second side wall 11, the design directly avoids the problem that the circuit board 2 contacts and collides with the side wall of the recess, when in processing, the circuit board 2 can be firmly locked and fixed inside the recess under the action of the elastic locking member, and the circuit board 2 contacts with the side wall of the recess, and the sinking design is adopted, so that the circuit board 2 is prevented from being influenced by the elastic locking member when in processing.
As shown in fig. 13, the distance between the snap positioning column 6 and the surface to be processed of the circuit board 2 is 0.2mm, that is, the highest point of the snap positioning column 6 is still lower than the surface to be processed of the circuit board 2, so that it is ensured that the snap positioning column 6 does not protrude out of the surface to be processed of the circuit board 2, and when the processing equipment processes the circuit board 2, the snap positioning column 6 does not affect the processing of the surface to be processed of the circuit board 2, thereby ensuring the processing stability of the circuit board 2.
In a possible implementation manner, as shown in fig. 14 to 16, the diameter of the limiting hole 7 is larger than that of the buckle positioning column 6, and the buckle positioning column 6 can be more smoothly inserted into the limiting hole 7 by using the limiting hole 7 with a diameter larger than that of the buckle positioning column 6.
As shown in fig. 16, when the circuit board 2 is ready to be assembled into the recess, the snap positioning posts 6 are just inside the limiting holes 7, and are locked by the elastic resetting device.
In a possible implementation manner, as shown in fig. 16 to 18, when the buckle positioning column 6 is located at the reset station and is not switched to the locking station, the buckle positioning column 6 is not in contact with the inner side wall of the limiting hole 7, and when the buckle positioning column 6 is switched to the locking station, the buckle positioning column 6 is in contact with the side wall of the limiting hole 7 far away from the central position of the circuit board 2.
In a possible implementation, specifically refer to fig. 19, the utility model provides an another embodiment, elastic reset device includes spring 15, spring 15 sets up in the inside of buckle reference column 6, the one end of spring 15 is connected with the inside wall that buckle reference column 6 kept away from connecting seat 4, the other end is connected with a lateral wall that connecting seat 4 is close to buckle reference column 6, adopt the built-in mode of spring 15, make buckle reference column 6 can carry out the up-and-down motion in the direction of perpendicular to carrier body 1, thereby make circuit board 2 when placing inside the recess of carrier body 1, circuit board 2 is when the in-process of pushing down, can press buckle reference column 6 to the one side that is close to carrier body 1, meanwhile, spring 15 takes place elastic deformation in the inside of buckle reference column 6, and then compressed, when treating spacing hole 7 and buckle reference column 6 to be in same straight line, buckle reference column 6 resumes under the effect of self elastic deformation at spring 15, buckle reference column 6 can extend to the inside of spacing hole 7, lock circuit board 2, make circuit board 2 can be better the processing of carrying on carrier body 1 on next step.
The utility model provides an in the possible embodiment, specifically refer to fig. 20, the utility model provides an another embodiment, the utility model provides an elastic resetting device includes extension spring 14, and spacing groove 3 is close to and is equipped with first couple on the lateral wall of stopper 5 one side, and stopper 5 is close to and is equipped with the second couple on the lateral wall of spacing groove 3 one side, and the one end and the cooperation of first couple of extension spring 14, the other end and the cooperation of second couple of extension spring 14, in above-mentioned embodiment, the utility model discloses change elastic resetting device into extension spring 14, connect the one end of extension spring 14 on stopper 5, the other end of extension spring 14 is connected on the lateral wall of buckle reference column 6, thereby the utility model provides a carrier body 1 is when the in-process of using, under extension spring 14's effect, can switch buckle reference column 6 to the locking station by the station that resets for buckle reference column 6 extends to the inside of spacing hole 7 just, above-mentioned in-process, and a plurality of buckle reference column 6 are simultaneous working, treat that a plurality of buckles 6 all extend to spacing hole 7 inside after, extension spring 14 is recovering self elastic deformation's effect, and can be counterpoint reference column 6 exert a sunken circuit board, 2 directions in the sunken portion of the inside power of the inside of circuit board of keeping away from, 2.
When the elastic reset device is the spring buckle 9, the utility model discloses an in a possible embodiment, as follows:
first of all the utility model provides a carrier body 1 assembles in the production line in advance, and the production line includes the driving tool of drive elastic locking spare and the machining tool of printing processing circuit board 2, circuit board 2 is before processing is placed, elastic locking spare can be under drive arrangement's effect, together move to circuit board 2 central point, this moment buckle reference column 6's position just is in same straight line with spacing hole 7's position, accomplish circuit board 2's assembly, thereafter under spring buckle 9's effect, can switch buckle reference column 6 to the locking station by the station that resets, in the above-mentioned process, a plurality of buckle reference columns 6 are simultaneous working, treat that a plurality of buckle reference columns 6 all extend to spacing hole 7 inside back, spring buckle 9 is under the effect of recovering self elastic deformation, the louvre can exert one to buckle reference column 6 and keep away from circuit board 2 central direction, be close to the effort of depressed part inside of depressed part direction, with circuit board 2 locking in the inside of depressed part, stopper 5 and spacing groove 3 are close to the inside wall of stopper 5 and cooperate spacingly to spring buckle 9, thereby after connecting seat 4 begins work, spring buckle 9 can not be gone into the steady operation of the steady work, and then guarantee that the inside wall can provide the processing circuit board 2 that the processing of a hot-air can not taking place in addition, the processing of a guarantee, 16, the connecting seat can not taking place, the phenomenon.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A circuit board surface mounting carrier is characterized by comprising: a carrier body, wherein:
the carrier body is provided with a concave part;
the bottom wall of the depressed part is provided with an annular supporting surface for supporting the edge part of the circuit board;
the carrier body has the elastic locking piece, the elastic locking piece has and is located in the region that the annular holding surface encloses, and follows a plurality of support columns that the extending direction of annular holding surface distributes, the support column certainly annular holding surface place plane below is visited in order to stretch into to spacing downthehole that the circuit board was seted up, and with spacing hole is kept away from the lateral wall butt at circuit board center, for the circuit board provides keeps away from the effort of circuit board center direction.
2. The carrier according to claim 1, wherein the elastic locking member further includes a connecting seat and a limiting block, the limiting block is disposed on a side of the connecting seat away from the supporting column, the supporting column includes a buckle positioning column and an elastic resetting device, and the elastic resetting device is used for driving the buckle positioning column to switch between a locking station and a resetting station.
3. The carrier according to claim 2, wherein the elastic restoring device comprises a spring, the spring is disposed inside the positioning post, one end of the spring is connected to an inner sidewall of the positioning post away from the connecting seat, and the other end of the spring is connected to a sidewall of the connecting seat near the positioning post.
4. The carrier according to claim 2, wherein the elastic restoring means includes a spring clip, one end of the spring clip is fixedly mounted on a side wall of the limiting groove near the limiting block, and the other end of the spring clip is fixedly mounted on a side wall of the limiting block near the limiting groove.
5. The carrier for surface mounting of circuit boards according to claim 1, wherein the carrier body is provided with a locking groove for accommodating the elastic locking member, the elastic locking member has a locking station and a resetting station, when the elastic locking member is at the locking station, the elastic locking member extends into the inside of the limiting hole to be in locking fit with the circuit board, and when the elastic locking member is at the resetting station, the elastic locking member is far away from the limiting hole.
6. The carrier for surface mounting of a circuit board according to claim 5, wherein the locking slot comprises a first locking sidewall and a second locking sidewall, the first locking sidewall and the second locking sidewall are disposed with a limiting slot, respectively, and the limiting slot is communicated with the locking slot.
7. The carrier according to claim 5, wherein the sidewall of the recess has a first sidewall, a second sidewall, a third sidewall, and a fourth sidewall, the second sidewall and the third sidewall form the annular supporting surface, the first sidewall is perpendicular to the second sidewall, the second sidewall is perpendicular to the third sidewall, the third sidewall is perpendicular to the fourth sidewall, the first sidewall, the third sidewall and the fourth sidewall are parallel to each other, and the fourth sidewall has a plurality of heat dissipation holes.
8. The circuit board surface mount device according to claim 7The device is characterized in that the distance h between one end face of the support column far away from the fourth side wall and one end face of the circuit board far away from the fourth side wall1The following relationship is satisfied:
h1＝0.1mm。
9. the carrier of claim 7, wherein the height H of the circuit board and the height H of the first sidewall satisfy the following relationship:
H＝h+0.2mm。
10. a carrier for surface mount circuit boards as claimed in claim 7 wherein the distance D between the side wall of the circuit board adjacent to the resilient locking member and the second side wall satisfies the following relationship:
D＝0.3mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221127937.1U CN217721637U (en) | 2022-05-11 | 2022-05-11 | Circuit board surface mounting carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221127937.1U CN217721637U (en) | 2022-05-11 | 2022-05-11 | Circuit board surface mounting carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217721637U true CN217721637U (en) | 2022-11-01 |
Family
ID=83790939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221127937.1U Active CN217721637U (en) | 2022-05-11 | 2022-05-11 | Circuit board surface mounting carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217721637U (en) |
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2022
- 2022-05-11 CN CN202221127937.1U patent/CN217721637U/en active Active
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