CN203298916U - Insertion and extraction force test fixture - Google Patents
Insertion and extraction force test fixture Download PDFInfo
- Publication number
- CN203298916U CN203298916U CN201320394107XU CN201320394107U CN203298916U CN 203298916 U CN203298916 U CN 203298916U CN 201320394107X U CN201320394107X U CN 201320394107XU CN 201320394107 U CN201320394107 U CN 201320394107U CN 203298916 U CN203298916 U CN 203298916U
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- Prior art keywords
- sway brace
- test fixture
- separating force
- groove
- contact engaging
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Abstract
The utility model discloses an insertion and extraction force test fixture which comprises an upper protection plate, a lower support plate, support arms, an upper press shaft and a lower support shaft, wherein both the upper protection plate and the lower support plate are installed at the upper ends of the support arms, the upper protection plate is located above the lower support plate, the upper press shaft is installed on the upper protection plate, the lower support shaft is installed at the lower ends of the support arms, a slot is arranged on the lower support plate, a through hole is formed in the slot, and the through hole is located right below the upper press shaft. According to the insertion and extraction force test fixture provided by the utility model, the upper protection plate and the lower support plate clamp a tested workpiece and the upper press shaft and the lower support shaft are installed in a universal testing machine, so that the universal testing machine has the function of testing the insertion and extraction force, and the testing cost is saved.
Description
Technical field
The utility model relates to proving installation, is specifically related to a kind of test fixture of contact engaging and separating force.
Background technology
In modern industry, the application of plastic cement is increasingly extensive, is applied in a large number be manufactured in product casing or inner member, even be applied to metal assembling in the middle of.Because there is certain gap in intensity and the metal of plastics, the assembling that easily because of the plastics undercapacity, causes in rugged surroundings was lost efficacy.In order to address this problem, the slip-stick artist implants metal lining in plastic products with the form of interference fit, the assembling mode is changed into the assembling of hardware and hardware by the assembling of plastic products and hardware.The working of plastics product may be because long-term high and low temperature alternative circulates in actual use, inserts come off in the variable load situation, not only affects the product life-span, and the time also can cause serious security incident.Therefore, the contact engaging and separating force of plastic products and metal lining becomes the certainly key index of concatenation ability of decision assembling.Traditional universal testing machine can only be measured stretching, bending, compression, shear traditional performance, can't measure contact engaging and separating force.Therefore, in order to measure contact engaging and separating force, need the plug force tester.This will improve the measurement cost of plastic products and implanted metal lining, because not only need universal testing machine also to need the contact engaging and separating force testing machine while measuring the traditional performance of plastic products and metal lining.
The utility model content
The deficiency that the utility model exists in order to overcome above prior art, provide a kind of test fixture of contact engaging and separating force simple and reasonable for structure.The test fixture of this contact engaging and separating force is applied to universal testing machine, from making universal testing machine, possesses the function of measuring contact engaging and separating force, thereby reduce, measures cost.
The purpose of this utility model realizes by following technical scheme: the test fixture of this contact engaging and separating force comprises upper guard board, bottom plate, sway brace, upper pressure axial and lower support axle, described upper guard board and bottom plate all are installed on the upper end of sway brace, and upper guard board is positioned at the top of bottom plate, described upper pressure axial is installed on upper guard board, described lower support axle is installed on the lower end of sway brace, described bottom plate is provided with draw-in groove, is provided with through hole in described draw-in groove, and described through hole is positioned under upper pressure axial.
Described draw-in groove is equilateral triangle, and described draw-in groove is provided with opening, and described through hole is positioned at the drift angle of draw-in groove.Because triangle has high stability; Simultaneously, when draw-in groove was triangle, the width of draw-in groove direction to drift angle in draw-in groove from opening diminished gradually, thereby order test product more easily inserts, so in the utility model, the shape of draw-in groove is preferably triangle.
The degree of depth of described draw-in groove is 1mm～3mm.
The two ends of described upper guard board are equipped with slotted eye, and the middle part of described upper guard board is provided be used to the mounting hole of installing last item.When the fixing two ends of upper guard board were individually fixed in the first sway brace and the second sway brace, upper guard board can be according to the distance between the first sway brace and the second sway brace, thereby determines screw in the position of slotted eye, guaranteed that upper guard board installs firmly.
For convenience of dismounting, described sway brace comprises the first sway brace and the second sway brace, the upper end of described the first sway brace and the second sway brace is equipped with for the mounting groove that bottom plate is installed, the upper surface of described the first sway brace and the second sway brace is equipped be used to the threaded hole of installing backplate, the setting corresponding to slotted eye of described threaded hole.
Described the first sway brace and the second sway brace are all L-shaped, and described mounting groove is positioned at the upper end, back that all is positioned at the first sway brace and the second sway brace, and the first sway brace and the second sway brace are back to setting.
The test fixture of described a kind of contact engaging and separating force also comprises guide rail and slide block, and the lower end of the lower end of described the first sway brace and the second sway brace all is installed on guide rail by slide block, described lower support axle be installed on guide rail below.
The test fixture of described a kind of contact engaging and separating force also comprises stop collar and lower stop collar, and described upper pressure axial is installed on upper guard board by upper stop collar, described lower support axle by lower stop collar be installed on guide rail below.Stop collar and lower stop collar in utilization, this can prevent respectively that upper pressure axial and lower support axle from rocking, thereby guarantees that whole test fixture better is installed in universal testing machine.
Described guide rail is provided with rest pad, and described rest pad is positioned at the below of bottom plate, and simultaneously, described rest pad is between the first sway brace and the second sway brace.Described rest pad is arranged in the groove of guide rail, and this prevents that metal lining falls in the groove of guide rail in test process, thereby is difficult to take out metal lining in the groove of guide rail.
Principle of work of the present utility model: the test fixture of this contact engaging and separating force is installed in universal testing machine by upper pressure axial and lower support axle, to test product again and insert draw-in groove, (contact engaging and separating force that this test product aims between test plastic products and metal lining is made.This test product comprises working of plastics and metal lining, and described working of plastics is equilateral triangle, and size and draw-in groove coupling, and the place, three angles of while working of plastics is provided with the pilot hole with the metal lining interference fit.In the time of need to carrying out the contact engaging and separating force test, metal lining inserts in the pilot hole of working of plastics, thereby forms the test product, namely utilizes working of plastics to replace plastic products and metal lining in production application to carry out interference fit, thereby avoids plastic products to damage.) make pilot hole corresponding with the through hole in draw-in groove, with seasonal upper guard board and bottom plate, the test product is clamped, preventing from testing product moves, namely by draw-in groove, limit the movement in the horizontal direction of test product, by the movement of upper guard board and bottom plate restriction test product vertical direction, thereby play the effect that is fixedly clamped; Then, the first sway brace and the second sway brace move in guide rail by slide block, thereby maintain static after making the first sway brace and the second sway brace move to suitable position again.At this moment, start universal testing machine, make upper pressure axial toward pressing down, the bottom of upper pressure axial heads on metal lining and moves down, make metal lining break away from gradually the pilot hole of testing product, after metal lining breaks away from pilot hole fully, pass through hole and fall on rest pad, thereby universal testing machine is completed the test of plastic products and metal lining interference fit contact engaging and separating force.
The utility model has advantages of as follows with respect to prior art: the test fixture of this contact engaging and separating force is applied to universal testing machine, utilizes plastic part and the metal lining effect of upper pressure axial to interference fit, thereby makes universal testing machine possess the function of measuring contact engaging and separating force; Use the test fixture of this contact engaging and separating force, can not need to buy the contact engaging and separating force testing machine, thereby reduce, measure cost.
Description of drawings
Fig. 1 is the explosive view of the test fixture of contact engaging and separating force of the present utility model.
Fig. 2 is the structural representation of the test fixture of contact engaging and separating force of the present utility model.
Fig. 3 is the structural representation of bottom plate in Fig. 2.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
The test fixture of a kind of contact engaging and separating force as shown in Figure 1 to Figure 3 comprises upper guard board 1, bottom plate 2, sway brace, upper pressure axial 3 and lower support axle 4, described upper guard board 1 and bottom plate 2 all are installed on the upper end of sway brace, and upper guard board 1 is positioned at the top of bottom plate 2, described upper pressure axial 3 is installed on upper guard board 1, described lower support axle 4 is installed on the lower end of sway brace, described bottom plate 2 is provided with the draw-in groove 201 that the degree of depth is 2mm, be provided with through hole 202 in described draw-in groove 201, and described through hole 202 is positioned under upper pressure axial 3.
As shown in Figure 3, described draw-in groove 201 is equilateral triangle, and described draw-in groove 201 is provided with opening 203, and described through hole 202 is positioned at the drift angle of draw-in groove 201.When draw-in groove 201 was triangle, the width of draw-in groove 201 direction to the drift angle in draw-in groove 201 from opening 202 diminished gradually, thereby order test product more easily inserts.
The two ends of described upper guard board 1 are equipped with slotted eye 101, and the middle part of described upper guard board 1 is provided be used to the mounting hole 102 of installing last item 3.When the two ends of upper guard board 1 were individually fixed in the first sway brace 5 and the second sway brace 6, upper guard board 1 can be according to the distance between the first sway brace 5 and the second sway brace 6, thereby determined screw in the position of slotted eye 101, guaranteed that upper guard board 1 installs firmly.
For convenience of dismounting, described sway brace comprises the first sway brace 5 and the second sway brace 6, the upper end of described the first sway brace 5 and the second sway brace 6 is equipped with for the mounting groove that bottom plate 2 is installed, the upper surface of described the first sway brace 5 and the second sway brace 6 is equipped be used to the threaded hole of installing backplate 1, the setting corresponding to slotted eye 101 of described threaded hole.When described threaded hole is relative with slotted eye 101, the two ends of upper guard board 1 are fixedly installed in respectively the first sway brace 5 and the second sway brace 6 by screw, and be better to be adjacent to the first sway brace 5 and the second sway brace 6 respectively with the two ends of upper guard board 1, after screw passes spring shim and pad successively, then be tightened against threaded hole.
Described the first sway brace 5 and the second sway brace 6 are all L-shaped, and described mounting groove is positioned at the upper end, back that all is positioned at the first sway brace 5 and the second sway brace 6, and the first sway brace 5 and the second sway brace 6 are back to setting.
The test fixture of described a kind of contact engaging and separating force also comprises guide rail 7 and slide block 8, and the lower end of the lower end of described the first sway brace 5 and the second sway brace 6 all is installed on guide rail 7 by slide block 8, described lower support axle 4 be installed on guide rail 7 below.When the first sway brace 5 and the second sway brace 6 move to suitable position, by bolt, make the first sway brace 5 and the second sway brace 6 be fixed in guide rail.
The test fixture of described a kind of contact engaging and separating force also comprises stop collar 10 and lower stop collar 11, and described upper pressure axial 3 is installed on upper guard board 1 by upper stop collar 10, described lower support axle 4 by lower stop collar 11 be installed on guide rail 7 below.Stop collar 10 and lower stop collar 11 in utilization, this can prevent respectively that upper pressure axial 3 and lower support axle 4 from rocking, thereby guarantees that whole test fixture better is installed in universal testing machine.
Described guide rail 7 is provided with rest pad 9, and described rest pad 9 is positioned at the below of bottom plate 2, and simultaneously, described rest pad 9 is between the first sway brace 5 and the second sway brace 6.Described rest pad 9 is arranged in the groove of guide rail 7, and this prevents that metal lining 13 falls in the groove of guide rail 7 in test process, thereby is difficult to take out metal lining 13 in the groove of guide rail 7.
Principle of work of the present utility model: the test fixture of this contact engaging and separating force is installed in universal testing machine by upper pressure axial 3 and lower support axle 4, then (this test product is made for the contact engaging and separating force before better test plastic products and metal lining 13 will to test product.This test product comprises working of plastics 12 and metal lining 13, and described working of plastics 12 is equilateral triangle, and size and draw-in groove 201 couplings, and the place, three angles of while working of plastics 12 is provided with the pilot hole with metal lining 13 interference fit.In the time of need to carrying out the contact engaging and separating force test, metal lining 13 inserts in the pilot hole of working of plastics, thereby forms the test product, and this test product replaces the plastic products in production application.) insert draw-in groove 201, make pilot hole corresponding with the through hole 202 in draw-in groove 201, clamp with 2 pairs of test products of seasonal upper guard board 1 and bottom plate, prevent from testing product and move; Then, the first sway brace 5 and the second sway brace 6 move in guide rail 7 by slide block 8, thereby maintain static after making the first sway brace 5 and the second sway brace 6 move to suitable position again.At this moment, start universal testing machine, make upper pressure axial 3 toward pressing down, the bottom of upper pressure axial 3 heads on metal lining 13 and moves down, make metal lining 13 break away from gradually the pilot hole of testing product, after metal lining 13 breaks away from pilot hole fully, pass through hole 202 and fall on rest pad, thereby universal testing machine is completed plastic products and coordinated the test of contact engaging and separating force with metal interference.
Above-mentioned embodiment is preferred embodiment of the present utility model; can not limit the utility model; other any change that does not deviate from the technical solution of the utility model and make or other equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (9)
1. the test fixture of a contact engaging and separating force, it is characterized in that: comprise upper guard board, bottom plate, sway brace, upper pressure axial and lower support axle, described upper guard board and bottom plate all are installed on the upper end of sway brace, and upper guard board is positioned at the top of bottom plate, described upper pressure axial is installed on upper guard board, and described lower support axle is installed on the lower end of sway brace, and described bottom plate is provided with draw-in groove, be provided with through hole in described draw-in groove, and described through hole is positioned under upper pressure axial.
2. the test fixture of a kind of contact engaging and separating force according to claim 1, it is characterized in that: described draw-in groove is equilateral triangle, and described draw-in groove is provided with opening, and described through hole is positioned at the drift angle of draw-in groove.
3. the test fixture of a kind of contact engaging and separating force according to claim 2, it is characterized in that: the degree of depth of described draw-in groove is 1mm～3mm.
4. the test fixture of a kind of contact engaging and separating force according to claim 1, it is characterized in that: the two ends of described upper guard board are equipped with slotted eye, and the middle part of described upper guard board is provided be used to the mounting hole of installing last item.
5. the test fixture of a kind of contact engaging and separating force according to claim 4, it is characterized in that: described sway brace comprises the first sway brace and the second sway brace, the upper end of described the first sway brace and the second sway brace is equipped with for the mounting groove that bottom plate is installed, the upper surface of described the first sway brace and the second sway brace is equipped be used to the threaded hole of installing backplate, the setting corresponding to slotted eye of described threaded hole.
6. the test fixture of a kind of contact engaging and separating force according to claim 5, it is characterized in that: described the first sway brace and the second sway brace are all L-shaped, described mounting groove is positioned at the upper end, back that all is positioned at the first sway brace and the second sway brace, and the first sway brace and the second sway brace are back to setting.
7. the test fixture of a kind of contact engaging and separating force according to claim 6, it is characterized in that: also comprise guide rail and slide block, the lower end of the lower end of described the first sway brace and the second sway brace all is installed on guide rail by slide block, described lower support axle be installed on guide rail below.
8. the test fixture of a kind of contact engaging and separating force according to claim 7, it is characterized in that: also comprise stop collar and lower stop collar, described upper pressure axial is installed on upper guard board by upper stop collar, described lower support axle by lower stop collar be installed on guide rail below.
9. the test fixture of a kind of contact engaging and separating force according to claim 7, it is characterized in that: described guide rail is provided with rest pad, and described rest pad is positioned at the below of bottom plate, and simultaneously, described rest pad is between the first sway brace and the second sway brace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320394107XU CN203298916U (en) | 2013-07-03 | 2013-07-03 | Insertion and extraction force test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320394107XU CN203298916U (en) | 2013-07-03 | 2013-07-03 | Insertion and extraction force test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203298916U true CN203298916U (en) | 2013-11-20 |
Family
ID=49574921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320394107XU Expired - Lifetime CN203298916U (en) | 2013-07-03 | 2013-07-03 | Insertion and extraction force test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203298916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836817A (en) * | 2018-08-15 | 2020-02-25 | 上汽通用汽车有限公司 | Plug test equipment |
-
2013
- 2013-07-03 CN CN201320394107XU patent/CN203298916U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836817A (en) * | 2018-08-15 | 2020-02-25 | 上汽通用汽车有限公司 | Plug test equipment |
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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: 20131120 |