CN220690642U - Matched special fixture structure for applying torque to power cord - Google Patents
Matched special fixture structure for applying torque to power cord Download PDFInfo
- Publication number
- CN220690642U CN220690642U CN202322310096.9U CN202322310096U CN220690642U CN 220690642 U CN220690642 U CN 220690642U CN 202322310096 U CN202322310096 U CN 202322310096U CN 220690642 U CN220690642 U CN 220690642U
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- China
- Prior art keywords
- cover plate
- power cord
- bottom plate
- torque
- applying torque
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- 230000013011 mating Effects 0.000 claims description 4
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 14
- 238000004804 winding Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Clamps And Clips (AREA)
Abstract
The utility model discloses a matched special fixture structure for applying torque to a power cord, which comprises a bottom plate, a cover plate, a connecting pin shaft and a butterfly-shaped locking screw, wherein a hexagonal general male connector for being matched with a female connector of a torque screwdriver so as to apply torque to the power cord is arranged on the bottom plate; the bottom plate is connected with the cover plate through a pin shaft, and the bottom plate and the cover plate can freely rotate within a certain angle range; smooth grooves are formed in the bottom plate and the cover plate; the butterfly locking screw is arranged on the outer side of the cover plate; the utility model overcomes the defects of low efficiency, easy winding of the power line and narrow use surface of equipment when the traditional power line tension-torsion testing machine is used for relevant tests, and can rapidly apply specified torque to the power line without being influenced by the size and shape of a sample machine, the position of a power line fixing device and the like.
Description
Technical Field
The utility model relates to the field of household appliance safety inspection, in particular to a matched special fixture structure for applying torque to a power cord.
Background
In home appliance safety inspection (safety standard), it is necessary to perform a tension-torsion test of a power cord on an appliance having the power cord to check the reliability of a fixing device thereof.
The conventional power cord torsion test generally adopts a power cord tension-torsion tester to apply torque, but practice proves that the method has larger defects, such as difficult on-machine test and even incapability of testing of larger samples, easy winding of the power cord in the test, influence on the accuracy of test results, low test efficiency and the like.
Disclosure of Invention
The utility model aims to provide a matched special fixture structure for applying torque to a power cord so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the matched special fixture structure for applying torque to the power cord comprises a bottom plate, a cover plate, a connecting pin shaft and a butterfly-shaped locking screw, wherein a hexagonal general male connector for being matched with a female connector of a torque screwdriver so as to apply torque to the power cord is arranged on the bottom plate; the bottom plate is connected with the cover plate through a pin shaft, and the bottom plate and the cover plate can freely rotate within a certain angle range; smooth grooves are formed in the bottom plate and the cover plate; the butterfly locking screw is arranged on the outer side of the cover plate.
As still further aspects of the utility model: the bottom plate and the cover plate are made of aluminum alloy, and the connecting pin shaft is made of 304 stainless steel.
As still further aspects of the utility model: the whole outward appearance of bottom plate and apron is cylindric.
As still further aspects of the utility model: the groove consists of a straight line section and an arc section, and the straight line section and the arc section are tangent; wherein the axis of the straight line segment coincides with the center line of the hexagonal universal male connector.
As still further aspects of the utility model: the central line of the curved surface of the groove is higher than the inner side planes of the cover plate and the bottom plate, and the sum of the curved surfaces of the groove is smaller than a complete circular ring.
Compared with the prior art, the utility model has the beneficial effects that:
1. the universality is strong, the operation is convenient, and the influence of the size and the shape of a measured sample and the position of a power cord fixing device is not required to be considered;
2. the test result is accurate and reliable, and the problem of winding of a power cord is effectively avoided;
3. the test efficiency is high, and the clamping of the power cord, the application of torque and the disassembly of the power cord can be completed in a very short time.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a matched special fixture structure for applying torque to a power cord.
Fig. 2 is a schematic diagram of the torque application of the power cord in a matched special fixture configuration for applying torque to the power cord.
In the figure: a cover plate 1; a groove 2; butterfly locking screw 3; a connecting pin 4; a threaded hole 5; a bottom plate 6; hexagonal universal male connector 7; a power cord 8; a clamp 9; torque driver 10.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, in the embodiment of the present utility model, a matched special fixture structure for applying torque to a power cord includes a base plate 6, a cover plate 1, a connection pin 4 and a butterfly lock screw 3, wherein a hexagonal universal male connector 7 for mating with a female connector of a torque screwdriver to apply torque to the power cord is arranged on the base plate 6; the bottom plate 6 is connected with the cover plate 1 through the pin shaft 4, and the bottom plate 6 and the cover plate 1 can freely rotate within a certain angle range; smooth grooves 2 are formed in the bottom plate 6 and the cover plate 1; the butterfly-shaped locking screw 3 is arranged on the outer side of the cover plate 1, and when the bottom plate 6 is attached to the cover plate 1, clamping force can be applied to the power cord through the butterfly-shaped screw 3.
Further, the following is said: the base plate 6 and the female connector with the hexagonal universal male connector (7) are matched with the torque screwdriver 10.
Further, the bottom plate 6 and the cover plate 1 are made of aluminum alloy, and the connecting pin shaft 4 is made of 304 stainless steel.
Further, the base plate 6 and the cover plate 1 are cylindrical in overall appearance except for the portion for applying the clamping force (the portion where the butterfly lock screw is located) and the joint.
The embodiment should be noted that the groove 2 is composed of a straight line section and an arc section, and the straight line section and the arc section are tangent; the axis of the straight line segment coincides with the center line of the hexagonal universal male connector 7, applied torque is guaranteed to be completely transmitted to the power cord, errors of test results are reduced, and the purpose of the circular arc segment is to facilitate smooth extraction of the power cord from the side face.
In this embodiment, it should be noted that, the center line of the curved surface of the groove 2 is higher than the inner plane of the cover plate and the bottom plate, and the sum of the curved surfaces of the upper and lower grooves is smaller than a complete ring, so that the power cord is ensured to have enough clamping force.
The specific operation steps of the power cord torque application are as follows: the power cord 8 is clamped in the grooves of the bottom plate 6 and the cover plate 1, the front end surfaces of the bottom plate and the cover plate are as close to a tested sample as possible, proper clamping force is applied to the power cord by screwing the butterfly screw 3, then the female connector of the torque screwdriver is connected with the male connector of the clamp, and the torque screwdriver is rotated to apply specified torque to the power cord.
It should be noted that in the present utility model, the application of torque preferably uses a digital torque driver and a pointer torque driver, which are prior art, and are not described herein in detail.
It should be noted that the utility model is a special fixture structure for applying torque to a power cord, the components are all universal standard components or components known to those skilled in the art, and the structure and principle of the fixture are all known to those skilled in the art through technical manuals or through routine experimental methods.
The utility model overcomes the defects of low efficiency, easy winding of the power line and narrow use surface of equipment when the related test is carried out by the traditional power line tension-torsion testing machine, can rapidly apply the specified torque to the power line without being influenced by the size and shape of the machine, the position of the power line fixing device and the like
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The matched special fixture structure for applying torque to the power cord is characterized by comprising a bottom plate (6), a cover plate (1), a connecting pin shaft (4) and a butterfly-shaped locking screw (3), wherein a hexagonal universal male connector (7) for being matched with a female connector of a torque screwdriver so as to apply torque to the power cord is arranged on the bottom plate (6); the bottom plate (6) is connected with the cover plate (1) through a pin shaft (4), and the bottom plate (6) and the cover plate (1) can freely rotate within a certain angle range; smooth grooves (2) are formed in the bottom plate (6) and the cover plate (1); the butterfly-shaped locking screw (3) is arranged on the outer side of the cover plate (1).
2. A mating special clamp structure for applying torque to a power cord according to claim 1, characterized in that the base plate (6) and cover plate (1) are made of aluminum alloy.
3. A mating special clamp structure for applying torque to a power cord according to claim 1, wherein the connecting pin (4) is made of 304 stainless steel.
4. A mating special clamp structure for applying torque to a power cord according to claim 1, wherein the base plate (6) and cover plate (1) are cylindrical in overall appearance.
5. A matched special fixture structure for applying torque to a power cord according to claim 1, characterized in that the groove (2) consists of a straight line segment and an arc segment, both of which are tangent; wherein the axis of the straight line section coincides with the central line of the hexagonal universal male connector (7).
6. A matched special fixture structure for applying torque to a power cord according to claim 1, wherein the central line of the curved surface of the groove (2) is higher than the inner plane of the cover plate and the bottom plate, and the sum of the curved surfaces of the groove is smaller than a complete circular ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322310096.9U CN220690642U (en) | 2023-08-26 | 2023-08-26 | Matched special fixture structure for applying torque to power cord |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322310096.9U CN220690642U (en) | 2023-08-26 | 2023-08-26 | Matched special fixture structure for applying torque to power cord |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220690642U true CN220690642U (en) | 2024-03-29 |
Family
ID=90405689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322310096.9U Active CN220690642U (en) | 2023-08-26 | 2023-08-26 | Matched special fixture structure for applying torque to power cord |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220690642U (en) |
-
2023
- 2023-08-26 CN CN202322310096.9U patent/CN220690642U/en active Active
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