CN201569518U - Tensile test device - Google Patents

Abstract

The utility model discloses a tensile test device, including a unable adjustment base, the locking piece on unable adjustment base is fixed to the several, a cantilever and coupling assembling, the locking piece has an opening, it passes through opening and locking piece lock to be surveyed the piece, coupling assembling's one end uses first axis to rotatably connect in unable adjustment base as the rotation axis, the other end uses the second axis to rotatably connect in the cantilever as the rotation axis, first axis is the central line of the opening lock direction of locking piece, the plane of the first axis of second axis perpendicular to. The cantilever comprises a base plate, a cylinder, a moving member and a tension meter, the cylinder is fixed on the base plate, one end of the cylinder is fixedly connected with the moving member, one side of the moving member is connected with the base plate in a sliding mode, the other side of the moving member is fixedly connected with the tension meter, one end of the measured member is buckled with the locking member, and the other end of the measured member is connected with the tension meter. The utility model discloses tension testing arrangement can satisfy and test the pulling force of being surveyed the piece and being extracted from a plurality of directions and angle, and the accurate performance and the life who assesses the piece of being surveyed.

Description

Tensile test device

technical field

The utility model relates to a testing device, in particular to a three-dimensional tensile testing device.

Background technique

When designing and manufacturing electronic or mechanical products, it is usually necessary to test the insertion and extraction force of the interface, plug or connector of the designed or manufactured product, so that the insertion and extraction force can be controlled within a reasonable range.

Please refer to Fig. 8, the existing pull test device for testing the pull force of interfaces, plugs or connectors of various products mainly includes: fixed base 100', fixed base support feet 101', backing plate 102' , the female connector 103', the male connector 104', the first connecting block 150', the second connecting block 134' and the cantilever 160'. Wherein, the cantilever 160' includes a base plate 161', a cylinder 162', a moving part 163', a sliding rail 164' and a tension gauge 165'. During installation, the support feet 101' of the fixed base are fixed on the four corners below the fixed base 100' to support the fixed base 100'. A backing plate 102' is fixedly installed above one side edge of the fixed base 100', the female end connector 103' is fixed on one side edge of the backing plate 102', and the female end connector 103' and the backing plate 102' are located on the fixed base On the same side of 100', the male connector 104' is buckled with the female connector 103', and one end of the second connection block 134' is fixedly connected to the end surface of the fixed base 100' which is consistent with the opening direction of the female connector 103' , the other end is fixedly connected to the first connection block 150', the other end of the first connection block 150' is fixedly connected to the base plate 161', the cylinder 162' is fixed on the base plate 161', and the cylinder piston rod of the cylinder 162' and the moving part 163' Fixedly connected, and one side of the moving part 163' is slidingly connected with the slide rail 164' fixed on the base plate 161', and the other side is fixedly connected with the tension gauge 165', and one end of the male connector 104' is connected to the female connector 103 'Buckle, the other end is connected with a lead wire 166' to connect with the tension gauge 165'.

Usually, when testing the pulling force of the product being pulled out, it is necessary to test the pulling force in different directions and angles to evaluate the performance and service life of the tested product. However, since the base plate 161' on which the tension gauge 165' is fixedly installed and the fixed base 100' on which the female end connector 103' is fixedly installed in the existing tensile testing device are connected through the inactive first connecting block 150' and the second connecting block 150'. The connecting blocks 134' are fixedly connected together. When testing the pulling force, only the pull-out force of the male end connector 104' along the opening direction of the female end connector 103' can be tested. Therefore, the testing range of the existing pulling force testing device is limited. , cannot accurately evaluate the performance and service life of the tested product.

Utility model content

The purpose of this utility model is to provide a kind of tensile testing device for the above-mentioned deficiencies in the prior art. service life.

In order to achieve the above object, the pull test device provided by the utility model is used to test the pulled-out pull force of the fastened test piece, including a fixed base, several locking pieces fixed on the fixed base, a cantilever and a connecting assembly, the locking piece has an opening through which the measured piece is engaged with the locking piece, and one end of the connecting assembly is rotatably connected to the fixed shaft with the first axis as the rotation axis. The other end of the base is rotatably connected to the cantilever with the second axis as the rotation axis, the first axis is the center line of the opening fastening direction of the locking member, and the second axis is perpendicular to the first An axis plane. Wherein, the cantilever includes a base plate, a cylinder, a moving part and a tension gauge, the cylinder is fixed on the base plate, and one end is fixedly connected to the moving part, one side of the moving part is slidably connected to the base plate, and the other end is fixedly connected to the moving part. One side of the test piece is fixedly connected with the tension gauge, one end of the tested piece is fastened with the locking piece, and the other end is connected with a lead wire to connect with the tension gauge.

As mentioned above, since the connecting assembly of the tensile testing device of the present invention can not only move in the horizontal direction along the end surface of the fixed base, but also can rotate with the center line of the opening of the locking piece as the rotation axis, and can also rotate with the axis perpendicular to the The straight line of the plane of the center line of the opening of the locking member is the rotation axis, so that the cantilever fixedly connected with the connecting component can also move along the above three directions, so that the pull-out of the tested product can be tested from multiple angles and directions. Contribute to ensure the integrity of test data, accurately evaluate the performance and service life of the tested product, and save test costs.

Description of drawings

Fig. 1 is a perspective view of the utility model tensile testing device.

Fig. 2 is a front view from an angle of the tension testing device shown in Fig. 1 .

Fig. 3 is a three-dimensional exploded view of the sliding assembly, the connecting assembly and the first connecting block of the tension testing device shown in Fig. 1 .

FIG. 4 is a perspective view of the cantilever of the tensile testing device shown in FIG. 1 when it rotates counterclockwise at an angle of 45 degrees along the Z axis.

Fig. 5 is a front view from an angle of the tension testing device shown in Fig. 4 .

Fig. 6 is a front view when the cantilever of the tensile testing device shown in Fig. 4 is rotated clockwise by 15 degrees along the plane where the mounting plate is located.

Fig. 7 is a front view when the cantilever of the tensile testing device shown in Fig. 4 is rotated clockwise by 105 degrees along the plane where the mounting plate is located.

Fig. 8 is a perspective view of a conventional tension testing device.

The reference signs in the figure are explained as follows:

[current technology]

Fixed base 100’ Fixed base supporting feet 101’

Backing Plate 102’ Female Connector 103’

Male connector 104’ Second connection block 134’

The first connection block 150’ cantilever 160’

Base plate 161’ cylinder 162’

Moving parts 163’ slide rail 164’

Rally gauge 165’ lead wire 166’

[this utility model]

Fixed base 100 Fixed base support feet 101

Backing plate 102 Female connector 103

Male Connector 104 Rail 105

Card slot 105a Female connector opening 106

Slide assembly 120 Mounting plate 121

First through hole 121a Limiting hole of mounting plate 121b

Mounting plate limit hole 121c Mounting plate limit hole 121d

Slider 122 Rotary plate 130

Second through hole 130a Positioning hole for rotating plate 130b

Fastening sleeve 131 The third through hole 131a

Rotary plate pin connection 132 Rotary plate pin connection fixed block 133

Second connection block 134 Second connection block mounting hole 134a

The positioning hole of the second connection block 134b The pin joint of the second connection block 140

The second connection block is pinned to the fixed block 141 The first connection block 150

Mounting hole of the first connecting block 150a Limiting hole of the first connecting block 150b

Limiting hole of the first connection block 150c Cantilever 160

Substrate 161 Cylinder 162

Moving parts 163 slide rail 164

Rally gauge 165 lead wire 166

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Referring to Figures 1-3, the tensile testing device of the present invention includes a fixed base 100, several locking pieces for fastening with the test piece and fixed on the fixed base 100, a cantilever 160 and connecting components. Preferably, the locking part is a female connector 103 , and the tested part is a male connector 104 . The female connector 103 has an opening 106 , and the male connector 104 is engaged with the female connector 103 through the opening 106 . Below the fixed base 100, several fixed base support feet 101 are provided to support the fixed base 100, and a backing plate 102 is fixedly installed above one side edge of the fixed base 100, and several of the female end connectors 103 is fixed on the side edge close to the backing plate 102 , and the female end connector 103 and the backing plate 102 are located on the same side of the fixing base 100 . One end of the connection assembly is rotatably connected to the fixed base 100 with the first axis as the rotation axis, and the other end is rotatably connected to the cantilever 160 with the second axis as the rotation axis. The second axis is perpendicular to the plane passing through the first axis.

Wherein, the cantilever 160 includes a base plate 161, a cylinder 162, a moving part 163 and a tension gauge 165, the cylinder 162 is fixed on the base plate 161, and one end is fixedly connected with the moving part 163, and the base plate 161 is provided with There is a slide rail 164, one side of the moving part 163 slides along the slide rail 164 on the base plate 161, and the other side is fixedly connected to the tension gauge 165, and one end of the male end connector 104 is connected to the female end The device 103 is fastened, and the other end is connected with a lead wire 166 to connect with the tension gauge 165 .

Please refer to FIG. 3 , preferably, the tensile testing device of the present invention further includes a sliding assembly 120 , a second connection block 150 and a second connection block pin joint 140 . The sliding assembly 120 includes a mounting plate 121 and a sliding block 122 fixedly connected to one side of the mounting plate 121 . Specifically, the fixed base 100 is provided with a guide rail 105 along the horizontal direction on the end surface close to the opening 106 of the female end connector 103 , and the slider 122 is placed on the fixed base 100 along the guide rail 105 slide on the end surface of the socket to measure the pull-out force from a plurality of different female connectors 103 . The guide rail 105 is provided with a plurality of engaging slots 105 a for positioning the slider 122 .

Preferably, the connecting assembly includes a rotating plate 130 , a fastening sleeve 131 , a rotating plate pin joint 132 , a rotating plate pinned to a fixed block 133 and a second connecting block 134 . The mounting plate 121 is provided with a first through hole 121a and three mounting plate limiting holes 121b, 121c and 121d on the circumference around the first through hole 121a, and the adjacent mounting plate limits The angle between the bit holes 121b, 121c and 121d is 15 degrees. The rotating plate 130 is provided with a second through hole 130a and a rotating plate positioning hole 130b corresponding to the mounting plate limiting hole 121b. The fastening sleeve 131 is provided with a third through hole 131a, and the fastening sleeve 131 passes through the second through hole 130a of the rotating plate 130 and the first through hole of the mounting plate 121 in sequence. 121a, one end is fixedly connected to the rotating plate 130, and the other end is sleeved in the first through hole 121a of the mounting plate 121 and is rotatable relative to the mounting plate 121, so as to install the rotating plate 130 on the mounting board 121 . The rotating plate pin fixing block 133 is fixed on the rotating plate positioning hole 130b, and the rotating plate pin fixing block 133 is provided with a hole corresponding to the rotating plate positioning hole 130b, and the rotating plate pin The connector 132 sequentially passes through the hole of the rotating plate pinned to the fixed block 133, the positioning hole 130b of the rotating plate and the limiting hole 121b of the mounting plate, thereby positioning the rotating plate 130 on the mounting plate 121 . One end of the second connecting block 134 is fixedly connected to the rotating plate 130, and is arranged on both sides of the second through hole 130a in the same radial direction as the positioning hole 130b of the rotating plate, and the other end passes through The second connecting block pin joint 140 is rotatably connected with the first connecting block 150 . Specifically, the second connection block 134 is provided with a second connection block installation hole 134a, and the first connection block 150 is also provided with a first connection block installation hole 150a, through which a pin (not shown) passes in turn. The second connection block installation hole 134 a and the first connection block installation hole 150 a are used to connect the first connection block 150 to the second connection block 134 . The second connecting block 134 is also provided with a second connecting block positioning hole 134b, and the first connecting block 150 is correspondingly provided with two first connecting block limiting holes 150b on the circumference around the second axis. and 150c, and the angle between the adjacent limiting holes 150b and 150c of the first connecting block is 45 degrees. The second connecting block pinned to the fixing block 141 is fixed on the second connecting block positioning hole 134b, and the second connecting block pinned to the fixing block 141 is provided with a hole corresponding to the second connecting block positioning hole 134b , the second connecting block pin joint 140 sequentially passes through the hole of the second connecting block pinned to the fixing block 141, the second connecting block positioning hole 134b and the first connecting block limiting hole 150b, thereby The first connection block 150 is positioned on the second connection block 134 . The other end of the first connecting block 150 is fixedly connected to the cantilever 160 .

Specifically, please refer to FIGS. 4-5 , when the rotating plate pin joint 132 is still inserted in the mounting plate limiting hole 121b, and the second connecting block pin joint 140 is inserted in the first A connecting block limiting hole 150c. The straight line formed by connecting the first connecting block limiting hole 150c with the first connecting block mounting hole 150a is connected with the first connecting block limiting hole 150b and the first connecting block mounting hole 150a The angle between the lines is 45 degrees. Therefore, when the second connection block pin joint 140 is inserted into the first connection block limiting hole 150c, the cantilever 160 fixedly connected with the first connection block 150 is relatively The cantilever 160 can rotate 45 degrees counterclockwise along the Z axis. In this way, the pulling force of the male connector 104 pulled out from this direction can be measured.

Specifically, please refer to FIG. 6 , when the second connection block pin joint 140 is inserted into the first connection block limiting hole 150c, and the rotating plate pin joint 132 is inserted into the mounting plate in the limiting hole 121c. The straight line formed by connecting the center of the mounting plate limiting hole 121c with the center of the first through hole 121a is connected with the center of the mounting plate limiting hole 121b and the center of the first through hole 121a. The angle between the lines is 15 degrees. Therefore, when the rotating plate pin joint 132 is inserted into the mounting plate limiting hole 121c, the cantilever 160 connected to the rotating plate 130 can move along the The plane where the mounting plate 121 is located is rotated 15 degrees clockwise. In this way, the pulling force of the male connector 104 pulled out from this direction can be measured.

Specifically, please refer to FIG. 7 , when the second connection block pin joint 140 is inserted into the first connection block limiting hole 150c, and the rotating plate pin joint 132 is inserted into the mounting plate In the limiting hole 121d. A straight line formed by connecting the center of the mounting plate limiting hole 121d with the center of the first through hole 121a and a straight line formed by connecting the center of the mounting plate limiting hole 121b with the center of the first through hole 121a The angle between them is 105 degrees. Therefore, when the rotating plate pin joint 132 is inserted into the mounting plate limiting hole 121d, the cantilever 160 connected to the rotating plate 130 can move along the The plane where the mounting plate 121 is located is rotated 105 degrees clockwise. In this way, the pulling force of the male connector 104 pulled out from this direction can be measured.

Preferably, the tension testing device of the present invention further includes a speed regulating valve (not shown) for controlling the speed of the cylinder 162 .

The following is a detailed description of the testing process of the tensile testing device of the present invention in conjunction with the accompanying drawings: first, adjust the sliding assembly 120 to move the cantilever 160 horizontally to align with the female connector 103 to be tested; secondly, Insert the male end connector 104 into the female end connector 103, and connect the lead wire 166 of the male end connector 104 to the tension gauge 165; then, adjust the speed regulating valve to control the The speed of the air cylinder 162; finally, start the air cylinder 162, so that the air cylinder 162 pushes the moving part 163 to slide along the slide rail 164, thereby slowly pushing the tension gauge 165 fixed on the moving part 163 along the The sliding rail 164 slides, and when the male connector 104 is detached from the female connector 103 , the reading on the tension gauge at this moment is the pulling force of the male connector 104 being pulled out.

As mentioned above, since the connecting assembly of the tensile testing device of the present invention can not only move in the horizontal direction along the end surface of the fixed base, but also can rotate with the center line of the opening of the locking piece as the rotation axis, and can also rotate with the axis perpendicular to the The straight line of the plane of the center line of the opening of the locking member is the rotation axis, so that the cantilever fixedly connected with the connecting component can also move along the above three directions, so that the pull-out of the tested product can be tested from multiple angles and directions. Contribute to ensure the integrity of test data, accurately evaluate the performance and service life of the tested product, and save test costs.

Claims (8)

1. device for testing tensile force, be used to test the pulling force that the measured piece of fastening is pulled out, comprise a firm banking, several are fixed on the locking piece on the described firm banking, one cantilever and coupling assembling, described locking piece has an opening, described measured piece fastens by described opening and described locking piece, described coupling assembling one end is connected with described firm banking, the other end is connected with described cantilever, described cantilever comprises substrate, cylinder, moving member and tautness meter, described cylinder is fixed on the described substrate, and an end is fixedlyed connected with described moving member, the described moving member one described substrate that is dynamically connected that breaks away, the fixedly connected described tautness meter of opposite side, described measured piece one end and locking piece fasten, the described measured piece other end is connected with tautness meter, it is characterized in that: an end of described coupling assembling is that turning axle rotatably is connected in described firm banking with the first axle, the other end is that turning axle rotatably is connected in described cantilever with second axis, described first axle is the center line that described locking piece opening fastens direction, and described second axis normal is in the plane of crossing described first axle.

2. device for testing tensile force as claimed in claim 1, it is characterized in that: described firm banking is provided with the guide rail of along continuous straight runs on the close end face of described locking piece opening, described device for testing tensile force also comprises a slide assemblies, described slide assemblies comprises installing plate and is fixedly connected on the slide block of described installing plate one side, described slide block slides on described firm banking along described guide rail, and described coupling assembling is the opposite side that turning axle rotatably is connected in described installing plate with described first axle.

3. device for testing tensile force as claimed in claim 2, it is characterized in that: described device for testing tensile force also comprises first contiguous block, described installing plate is provided with first through hole, described coupling assembling comprises fixing sleeve, swivel plate, the swivel plate pin joint spare and second contiguous block, described swivel plate is provided with second through hole, described fixing sleeve passes described first through hole and described second through hole successively, and an end is fixedlyed connected with described swivel plate, the other end is sheathed in described first through hole of described installing plate and can described relatively installing plate rotation, also be provided with several installing plate spacing holes on the circumference around the above first through hole of described installing plate, correspondence is provided with the swivel plate pilot hole on the described swivel plate, described swivel plate pin joint spare passes described swivel plate pilot hole and described installing plate spacing hole, described swivel plate is positioned on the described installing plate, one end of described second contiguous block is fixedlyed connected with described swivel plate, the other end is the end that turning axle rotatably is connected in described first contiguous block with described second axis, and the other end of described first contiguous block is fixedlyed connected with described cantilever.

4. device for testing tensile force as claimed in claim 2 is characterized in that: the angle between the adjacent described installing plate spacing hole is 15 degree.

5. device for testing tensile force as claimed in claim 3, it is characterized in that: described device for testing tensile force also comprises the second contiguous block pin joint spare, described second contiguous block is provided with the second contiguous block pilot hole, described first contiguous block is provided with at least two first contiguous block spacing holes on the circumference around described second axis, the described second contiguous block pin joint spare passes described second contiguous block pilot hole and the described first contiguous block spacing hole, and described first contiguous block is positioned on described second contiguous block.

6. device for testing tensile force as claimed in claim 5 is characterized in that: the angle between the adjacent described first contiguous block spacing hole is 45 degree.

7. device for testing tensile force as claimed in claim 1 is characterized in that: also comprise a flow speed control valve, be used to control the speed of described cylinder.

8. device for testing tensile force as claimed in claim 1 is characterized in that: comprise that also one draws Line, described lead-in wire is connected between measured piece and the tautness meter.

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