CN203881810U - Simple circuit board test fixture - Google Patents
Simple circuit board test fixture Download PDFInfo
- Publication number
- CN203881810U CN203881810U CN201420308905.0U CN201420308905U CN203881810U CN 203881810 U CN203881810 U CN 203881810U CN 201420308905 U CN201420308905 U CN 201420308905U CN 203881810 U CN203881810 U CN 203881810U
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- CN
- China
- Prior art keywords
- handle
- connecting rod
- cover plate
- circuit board
- disposed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a simple circuit board test fixture which includes a substrate. A locking mechanism is disposed on the substrate. A pressing plate is movably disposed on the substrate. The substrate is provided with a handle which is snapped onto the locking mechanism and is connected to a connecting rod mechanism. The locking mechanism includes a base. A groove, which is matched with the handle, is disposed on one side of the base. Two sliding grooves, which are in parallel with the direction of the handle, are disposed in the groove. A clamping part is arranged in each sliding groove in a sliding manner. A first spring is disposed between the two clamping parts. A cover plate is hinged to the base and is provided with a plug-pin which penetrates the cover plate. A thread part is disposed on the bottom end of the plug-pin. A second spring is disposed between the plug-pin and a top surface of the cover plate. A threaded hole is formed in the base and is matched with the plug-pin. A projection is disposed on an outer side of the cover plate. A concave part, which is matched with the projection, is disposed on the handle. By means of the simple circuit board test fixture, defects in the prior art can be improved and a clamping stability of a to-be-tested circuit board is enhanced.
Description
Technical field
The utility model relates to circuit board testing technical field, especially a kind of simple circuit board test fixture.
Background technology
Circuit board, after encapsulation completes, need to just can dispatch from the factory through validation test.Traditional method of testing is manually then circuit board to be positioned and tested.Chinese utility model patent CN 201237609Y discloses a kind of test fixture, has realized the fixing robotization of circuit board.But the retained part firmness of this structure is not enough, in order to guarantee the clamping stability to circuit board in circuit board testing process, need to apply the larger power of holding that adds.
utility model content
The technical problems to be solved in the utility model is to provide a kind of simple circuit board test fixture, can solve the deficiencies in the prior art, has improved the clamping stability to circuit board under test.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
A simple circuit board test fixture, comprises substrate, is provided with latch mechanism on substrate, on substrate, be also movably set with pressing plate, on described substrate, be provided with handle, handle is connected on latch mechanism, handle is connected with linkage assembly, and pressing plate links by linkage assembly and handle, described latch mechanism comprises pedestal, pedestal one side is provided with the groove matching with handle, on groove, be provided with two chutes that parallel with handle direction, in each chute, slide and be provided with a fastener, between two fasteners, be provided with the first spring, on pedestal, be hinged with cover plate, on cover plate, be provided with the latch through cover plate, the bottom of latch is provided with thread segment, between latch and the end face of cover plate, be provided with the second spring, on pedestal, be provided with the threaded hole matching with latch, cover plate arranged outside has projection, on handle, be provided with the depressed part matching with projection.
As preferably, the both sides of described depressed part inside are provided with the 3rd spring, and the 3rd spring is connected with hard spheroid, and the surface of contact in hard spheroid and handle outside is provided with elastic rubber layer.
As preferably, described linkage assembly comprises that two parallel first connecting rods and one are articulated with between two first connecting rods, and perpendicular to the second connecting rod of first connecting rod, handle and pressing plate are separately positioned on two first connecting rods; The two ends of second connecting rod are provided with horizontal concrete chute, between first connecting rod and second connecting rod, by two slide bars arranged in a crossed manner, are connected, and one end of slide bar is articulated with on first connecting rod, and the other end sliding plug of slide bar is in horizontal concrete chute.
As preferably, the surface of contact of described first connecting rod and second connecting rod is provided with rubber layer.
The beneficial effect that adopts technique scheme to bring is: the handle in the utility model is arranged in groove under locking state, by projection, is connected on depressed part, forms good clamping effect.Handle is not direct and contact grooves, but is positioned at fastener, between two fasteners, is provided with the first spring, can be the system that two fasteners form a semi-linkage, and when the trend of relative displacement appears in handle, fastener can cushion this trend.Projection acts on the 3rd spring, and hard spheroid, by elastic rubber layer jack-up, makes clamping acting force be the interaction force between handle and groove that is converted to of index ratio, has greatly strengthened the fixing firmness of handle.Cover plate is realized the locking to handle, and latch, for to being fixed between cover plate and pedestal, is plugged in the degree of depth of threaded hole by regulating pin, can realize the adjustment to cover plate bed knife.Linkage assembly in device can apply cover plate adds the power of holding, be passed on pressing plate, rectilinear motion is carried out in slide bar one end, fix rotatablely moving a little of one end, can cushion the retroaction of pressing plate linkage, and the linkage assembly retroaction of transmitting to handle, and then guaranteed that latch mechanism is to the fixing firmness of handle.Rubber layer can play damping action, and the microvibration on first connecting rod and second connecting rod is filtered, and has avoided in testing process due to the interference of microvibration to testing process.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of the utility model.
Fig. 2 is the schematic diagram of latch mechanism in embodiment of the utility model.
Fig. 3 is the schematic diagram of handle in embodiment of the utility model.
Fig. 4 is the schematic diagram of linkage assembly in embodiment of the utility model.
Fig. 5 is the schematic diagram of an embodiment center platen of the utility model.
In figure: 1, substrate; 2, latch mechanism; 3, pressing plate; 4, handle; 5, linkage assembly; 6, pedestal; 7, groove; 8, chute; 9, fastener; 10, the first spring; 11, cover plate; 12, latch; 13, thread segment; 14, the second spring; 15, threaded hole; 16, projection; 17, depressed part; 18, the 3rd spring; 19, hard spheroid; 20, elastic rubber layer; 21, first connecting rod; 22, second connecting rod; 23, horizontal concrete chute; 24, slide bar; 25, rubber layer; 26, arc hard layer; 27, rubber middle layer; 28, tinsel; 29, hard top board; 30, hard joint pin.
Embodiment
The standardized element using in the utility model all can be bought from the market, shaped piece all can carry out customized according to instructions with record accompanying drawing, the connected mode of each part all adopts the conventional meanses such as bolt ripe in prior art, rivet, welding, stickup, is not described in detail in this.
With reference to Fig. 1-5, embodiment of the utility model comprises substrate 1, on substrate 1, be provided with latch mechanism 2, on substrate 1, be also movably set with pressing plate 3, on described substrate 1, be provided with handle 4, handle 4 is connected on latch mechanism 2, and handle 4 is connected with linkage assembly 5, and pressing plate 3 is by linkage assembly 5 and handle 4 interlocks, described latch mechanism 2 comprises pedestal 6, pedestal 6 one sides are provided with the groove 7 matching with handle 4, on groove 7, be provided with two chutes 8 that parallel with handle 4 directions, the interior slip of each chute 8 is provided with a fastener 9, between two fasteners 9, be provided with the first spring 10, on pedestal 6, be hinged with cover plate 11, on cover plate 11, be provided with the latch 12 through cover plate 11, the bottom of latch 12 is provided with thread segment 13, between the end face of latch 12 and cover plate 11, be provided with the second spring 14, on pedestal 6, be provided with the threaded hole 15 matching with latch 12, cover plate 11 arranged outside have projection 16, on handle 4, be provided with and projection 16 depressed parts that match 17.The both sides of described depressed part 17 inside are provided with the 3rd spring 18, the three springs 18 and are connected with hard spheroid 19, and hard spheroid 19 is provided with elastic rubber layer 20 with the surface of contact in handle 4 outsides.Handle 4 is arranged in groove 7 under locking state, by projection 16, is connected on depressed part 17, forms good clamping effect.Handle 4 is not directly to contact with groove 7, but be positioned between 9, two fasteners 9 of fastener, being provided with the first spring, can be the system that two fasteners 9 form a semi-linkage, when the trend of relative displacement appears in handle 4, fastener 9 can cushion this trend.Projection 16 acts on the 3rd spring 18, and hard spheroid 19, by elastic rubber layer 20 jack-up, makes clamping acting force be the interaction force between handle 4 and groove 7 that is converted to of index ratio, has greatly strengthened the fixing firmness of handle 4.The locking that cover plate 11 is realized handle 4, latch 12, for to being fixed between cover plate 11 and pedestal 6, is plugged in the degree of depth of threaded hole 15 by regulating pin 12, can realize the adjustment to cover plate 11 bed knifes.Described linkage assembly 5 comprises that two parallel first connecting rods 21 and one are articulated with between two first connecting rods 21, and perpendicular to the second connecting rod 22 of first connecting rod 21, handle 4 and pressing plate 3 are separately positioned on two first connecting rods 21; The two ends of second connecting rod 22 are provided with horizontal concrete chute 23, between first connecting rod 21 and second connecting rod 22, by two slide bars 24 arranged in a crossed manner, be connected, one end of slide bar 24 is articulated with on first connecting rod 21, the other end sliding plug of slide bar 24 is in horizontal concrete chute 23, and described first connecting rod 21 is provided with rubber layer 25 with the surface of contact of second connecting rod 22.Linkage assembly 5 in device can apply cover plate 11 adds the power of holding, be passed on pressing plate 3, rectilinear motion is carried out in slide bar 24 one end, fix rotatablely moving a little of one end, can cushion the retroaction of pressing plate 3 linkage 5, and linkage assembly 5 retroaction of transmitting to handle 4, and then 2 pairs of fixing firmness of handle 4 of latch mechanism have been guaranteed.Rubber layer 25 can play damping action, and the microvibration on first connecting rod 21 and second connecting rod 22 is filtered, and has avoided in testing process due to the interference of microvibration to testing process.
Wherein, pressing plate 3 comprises hard top board 29, and hard top board 29 belows are provided with rubber middle layer 27, are provided with tinsel 28 in rubber middle layer 27, and rubber middle layer 27 belows are provided with arc hard layer 26.Pressing plate 3 is fixing with first connecting rod 21 by hard joint pin 30.Arc hard layer 26 can carry out good fixing to circuit board itself.Rubber middle layer 27 can play the function that absorbs buffering vibration, and tinsel 28 has wherein improved the integrated connection of rubber middle layer 27, has avoided extra the rocking occurring due to rubber blanket pliability.Pressing plate 3 connects by hard joint pin 30, the power on pressing plate 3 that puts on can be dispersed into a plurality of point of applications, improves the stability of pressing plate clamping.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. a simple circuit board test fixture, comprise substrate (1), on substrate (1), be provided with latch mechanism (2), on substrate (1), be also movably set with pressing plate (3), it is characterized in that: on described substrate (1), be provided with handle (4), it is upper that handle (4) is connected in latch mechanism (2), and handle (4) is connected with linkage assembly (5), and pressing plate (3) is by linkage assembly (5) and handle (4) interlock, described latch mechanism (2) comprises pedestal (6), pedestal (6) one sides are provided with the groove (7) matching with handle (4), on groove (7), be provided with two chutes (8) that parallel with handle (4) direction, in each chute (8), slide and be provided with a fastener (9), between two fasteners (9), be provided with the first spring (10), on pedestal (6), be hinged with cover plate (11), on cover plate (11), be provided with the latch (12) through cover plate (11), the bottom of latch (12) is provided with thread segment (13), between the end face of latch (12) and cover plate (11), be provided with the second spring (14), on pedestal (6), be provided with the threaded hole (15) matching with latch (12), cover plate (11) arranged outside has projection (16), on handle (4), be provided with the depressed part (17) matching with projection (16).
2. simple circuit board test fixture according to claim 1, it is characterized in that: the inner both sides of described depressed part (17) are provided with the 3rd spring (18), the 3rd spring (18) is connected with hard spheroid (19), and hard spheroid (19) is provided with elastic rubber layer (20) with the surface of contact in handle (4) outside.
3. simple circuit board test fixture according to claim 1, it is characterized in that: described linkage assembly (5) comprises that two parallel first connecting rods (21) and one are articulated with between two first connecting rods (21), and perpendicular to the second connecting rod (22) of first connecting rod (21), handle (4) and pressing plate (3) are separately positioned on two first connecting rods (21); The two ends of second connecting rod (22) are provided with horizontal concrete chute (23), between first connecting rod (21) and second connecting rod (22), by two slide bars (24) arranged in a crossed manner, be connected, it is upper that one end of slide bar (24) is articulated with first connecting rod (21), and the other end sliding plug of slide bar (24) is in horizontal concrete chute (23).
4. simple circuit board test fixture according to claim 3, is characterized in that: described first connecting rod (21) is provided with rubber layer (25) with the surface of contact of second connecting rod (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308905.0U CN203881810U (en) | 2014-06-11 | 2014-06-11 | Simple circuit board test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308905.0U CN203881810U (en) | 2014-06-11 | 2014-06-11 | Simple circuit board test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203881810U true CN203881810U (en) | 2014-10-15 |
Family
ID=51682295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420308905.0U Expired - Fee Related CN203881810U (en) | 2014-06-11 | 2014-06-11 | Simple circuit board test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203881810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849512A (en) * | 2014-12-03 | 2015-08-19 | 重庆东登科技有限公司 | Large-scale test circuit board fixing clamp |
| CN104849513A (en) * | 2014-12-03 | 2015-08-19 | 重庆东登科技有限公司 | Fixing clamp used for large-scale test circuit board |
-
2014
- 2014-06-11 CN CN201420308905.0U patent/CN203881810U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849512A (en) * | 2014-12-03 | 2015-08-19 | 重庆东登科技有限公司 | Large-scale test circuit board fixing clamp |
| CN104849513A (en) * | 2014-12-03 | 2015-08-19 | 重庆东登科技有限公司 | Fixing clamp used for large-scale test circuit board |
| CN104849513B (en) * | 2014-12-03 | 2017-07-04 | 重庆常青藤机械有限公司 | For the stationary fixture of large test circuit board |
| CN104849512B (en) * | 2014-12-03 | 2017-09-29 | 重庆达标电子科技有限公司 | The stationary fixture of large test circuit board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20180611 |