CN215931546U

CN215931546U - Test fixture

Info

Publication number: CN215931546U
Application number: CN202122202177.8U
Authority: CN
Inventors: 李隆; 郑镇城; 徐连城; 夏璐
Original assignee: Hongtai Intelligent Technology Dongguan Co Ltd
Current assignee: Hongtai Intelligent Technology Dongguan Co Ltd
Priority date: 2021-09-11
Filing date: 2021-09-11
Publication date: 2022-03-01
Anticipated expiration: 2031-09-11

Abstract

The utility model provides a test fixture which is used for testing the load bearing of a lamp and comprises a frame body, a lamp mounting joint fixedly connected to the frame body and a graduated scale vertically arranged on the frame body, wherein the graduated scale is positioned on one side close to the lamp mounting joint. The test fixture provided by the utility model can be used for carrying out bearing test according to the actual installation mode of the lamp; meanwhile, the bearing test fixture can provide detailed and accurate test data through the graduated scale vertically arranged on one side of the lamp mounting connector, accurate and effective judgment data are provided for the qualification of the lamp, and the test accuracy is improved.

Description

Test fixture

Technical Field

The utility model relates to the technical field of lighting tests, in particular to a test fixture for a lamp bearing test.

Background

The load-bearing test of the lamp is a test which must be carried out according to plain text regulations in lamp standards, and aims to ensure that the lamp can bear the weight of the lamp in the using process and cannot deform or fail to cause potential safety hazards.

Although the existing lamp standards have a test method for specifying a lamp and a test judgment standard, a test fixture is not specified clearly, and each lamp production enterprise designs a lamp bearing test fixture by self through respective understanding of the standards, so that a test result has a large error; the current test fixture can only test lamps in a certain installation mode, test results are judged only by comparing lamp standards through experience, and effective test data are not used as judgment bases, so that the accuracy of a bearing test conclusion is low.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention provides a test fixture to improve the above problems.

The utility model provides a test fixture which is used for testing the load bearing of a lamp and comprises a frame body, a lamp mounting joint fixedly connected to the frame body and a graduated scale vertically arranged on the frame body, wherein the graduated scale is positioned on one side close to the lamp mounting joint.

Preferably, the rack body comprises a horizontally arranged bottom plate, a vertical plate vertically fixed on the bottom plate and a horizontal plate fixed on the vertical plate, and the horizontal plate is parallel to the bottom plate.

Preferably, the light fitting mounting adaptor comprises one or more of a cartridge light fitting adaptor, a hook, a wall mounted light fitting adaptor.

Preferably, the cylinder-mounted lamp joint is fixed on one side of the frame body through a fixing column, and the fixing column is perpendicular to the graduated scale on the same side.

Preferably, the hoisting lamp joint is a hook vertically suspended at the lower side of the horizontal plate.

Preferably, the side edge portions of the horizontal plate may be used as wall-mounted light fittings.

Preferably, the graduated scale and the vertical plate are arranged at intervals, and the bottom of the graduated scale is fixed on the side edge of the bottom plate.

Preferably, the scale is fixed to the base plate by a fixing frame.

Preferably, the test fixture further comprises a horizontal rod for leveling the lamp.

Preferably, the graduated scale is a cylindrical long rod with graduations, the rod body of the horizontal rod is a long flat rod body, and one end of the rod body is fixedly provided with a lantern ring matched with the diameter of the graduated scale.

The utility model has the technical effects that: the test fixture provided by the utility model can be used for carrying out bearing test according to the actual installation mode of the lamp; meanwhile, the bearing test fixture can provide detailed and accurate test data through the graduated scale vertically arranged on one side of the lamp mounting connector, accurate and effective judgment data are provided for the qualification of the lamp, and the test accuracy is improved.

Drawings

Fig. 1 is a three-dimensional structure diagram of a test fixture according to an embodiment of the utility model;

fig. 2 is an exploded view of a test fixture according to an embodiment of the utility model;

fig. 3a is a state diagram illustrating the start of testing the cylindrical lamp by the test fixture according to the embodiment of the present invention;

fig. 3b is a state diagram of the test fixture according to the embodiment of the present invention for testing the cylindrical lamp;

fig. 4a is a state diagram of a test fixture according to an embodiment of the present invention beginning to test a ceiling lamp;

fig. 4b is a state diagram of the test fixture according to the embodiment of the present invention after completing a lamp hoisting process;

FIG. 5a is a diagram illustrating a state of the testing fixture testing the wall-mounted lamp according to an embodiment of the utility model;

FIG. 5b is a diagram illustrating a state of the testing fixture testing the wall-mounted lamp according to an embodiment of the utility model;

fig. 6 is a perspective view of a horizontal rod of a test fixture according to an embodiment of the utility model.

Reference numerals

100. Testing the jig; 10. a frame body; 11. a base plate; 12. a vertical plate; 13. a horizontal plate; 131. a side edge portion; 21. a barrel-mounted lamp joint; 210. fixing a column; 211. a first sleeve; 212. a second sleeve; 22. a hook; 221. a top portion; 222. a hook portion; 223. fixing a gasket; 224. fixing a nut; 30. a graduated scale; 31. a fixed mount; 40. a horizontal bar; 41. a collar; 50. a lamp is packaged in a cylinder; 60. hoisting the lamp; 70. wall-mounted lamp

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a test fixture 100, the test fixture 100 is used for testing the load bearing of a lamp, as shown in fig. 1-6, the test fixture 100 comprises a frame body 10, a lamp mounting joint, a graduated scale 30 and a horizontal rod 40. The lamp mounting joint is fixedly connected to the frame body 10, the graduated scale 30 is vertically fixed to the frame body 10, and the graduated scale 30 is located at one side close to the lamp mounting joint. Preferably, the graduated scale 30 is a long cylindrical rod with graduations, the rod body of the horizontal rod 40 is a long and flat rod body, and one end of the rod body connected with the graduated scale 30 is provided with a sleeve ring 41 matched with the diameter of the graduated scale 30.

In one embodiment, the rack body 10 includes a bottom plate 11 horizontally disposed, a vertical plate 12 vertically fixed to the bottom plate 11, and a horizontal plate 13 fixed to the vertical plate 12, and the horizontal plate 13 is parallel to the bottom plate 11. Scale 30 sets up with vertical board 11 interval and the bottom is fixed in the side of bottom plate 11, the bottom of scale 30 is fixed in through mount 31 the side of bottom plate 11, specifically, mount 31 is the stationary blade that accessible lock screw was fixed in bottom plate 11 side. Preferably, the vertical plate 12 is vertically disposed in the middle of the bottom plate 11, and the vertical plate 12, the bottom plate 11 and the horizontal plate 13 are integrally formed.

The light fitting mounting adapter includes one or more of a cartridge light fitting adapter 21, a hook 22, and a wall mounted light fitting adapter. In one embodiment, the light fitting attachment includes both a cartridge light fitting attachment 21, a hook 22, and a wall mount light fitting attachment as shown in FIGS. 1-2.

Wherein, the cylinder-mounted lamp joint 21 is fixed on one side of the frame body 10 by the fixing post 210, as shown in fig. 1-2, the cylinder-mounted lamp joint 21 is fixed on the right side of the vertical plate 12 by the fixing post 210. The fixing post 210 is perpendicular to the graduated scale 30 disposed on the same side, so that the graduated scale 30 can be used to read the graduated scale corresponding to the position of the bottommost surface of the lamp mounted on the same side, as shown in fig. 3a-3 b. The tube-mounted lamp joint 21 includes a first cylindrical sleeve 211 and a second cylindrical sleeve 212, the diameter of the second cylindrical sleeve 212 is smaller than that of the first cylindrical sleeve 211, the tube body of the first cylindrical sleeve 211 is fixedly sleeved on the fixing post 210 through a locking screw, the other end of the first cylindrical sleeve is used for sleeving the tube-mounted lamp 50, and the second cylindrical sleeve 212 extends outwards coaxially from the other end of the first cylindrical sleeve 211 so as to install the tube-mounted lamp 50.

The hook 22 is fixed on the other side of the rack 10 by the horizontal plate 13, the plane of the horizontal plate 13 is perpendicular to the scale 30 on the same side, as shown in fig. 4a-4b in combination with fig. 1-2, the top 221 of the hook 22 is fixed on the horizontal plate 13, the hook body 222 of the hook 22 is suspended below the horizontal plate 13 for hooking the hanging lamp 60 during testing, the top 221 of the hook 22 is externally threaded and fixed on the gap of the horizontal plate 13 by the fixing washer 223 and the fixing nut 224, the horizontal plate 13 is fixed on the vertical plate 12 and is parallel to the horizontally arranged bottom plate 11, and the side edge 131 of the horizontal plate 13 can be used as a wall-mounted lamp joint, as shown in fig. 5a-5b in combination with fig. 1-2. The lamp mounting connectors suitable for different lamp mounting modes are arranged on two sides of the vertical plate 12 respectively and used for mounting different types of lamps, so that the test fixture 100 has three mounting modes of lifting, wall mounting and cartridge mounting, the mounting modes of the three lamps basically cover most of the mounting modes of the lamps needing bearing test at present, and the bearing test requirements of most of the lamps can be met.

In another embodiment, the test fixture 100 further comprises a horizontal bar 40 for leveling the fixture. The horizontal rod 40 is arranged, so that the lamp can be leveled by the horizontal rod 40 before reading, the horizontal rod 40 is used for connecting the horizontal plane at the bottom of the lamp and the graduated scale 30, as shown in fig. 3 a-5b, the reading of the graduated scale 30 during testing can be more accurate, and the reading accuracy of the test is greatly improved. Specifically, the rod body of the horizontal rod 40 is a long and flat rod body, and one end of the rod body connected with the graduated scale 30 is provided with a lantern ring 41 matched with the diameter of the graduated scale 30, so that the lamp can be leveled more accurately by using the horizontal rod 40.

The working principle of the utility model is as follows:

1. installing the lamp on the test rack according to a correct mode (the installation mode when the lamp to be tested is actually applied), and before testing the lamp, leveling the lamp through visual observation (or the horizontal rod 40) and recording a scale numerical value a corresponding to the horizontal rod 40 (as shown in fig. 3a, 4a and 5 a);

2. after the load-bearing test is performed on the lamp, the lamp is leveled again (by using the horizontal rod 40), and the value b of the scale 30 is recorded again (by using the horizontal rod 40), as shown in fig. 3b, 4b and 5 b.

3. And calculating the difference value of the values of the graduated scale 30 corresponding to the horizontal rod 40 before and after the lamp test, namely the deformation amount is b-a, namely the deformation condition (b-a)/A (the size of the lamp is known as A) after the lamp test can be calculated, so that whether the bearing test of the test lamp is qualified or not is judged according to the standard specified by industry plaintext.

In conclusion, the test fixture provided by the utility model can be used for carrying out bearing test according to the actual installation mode of the lamp; meanwhile, the bearing test fixture can provide detailed and accurate test data through the graduated scale vertically arranged on one side of the lamp mounting connector, provide accurate and effective judgment data for the qualification of the lamp, and improve the test accuracy; the lamp mounting connectors suitable for different lamp mounting modes are arranged and used for mounting different types of lamps, so that the test fixture has three mounting modes of lifting, wall mounting and cylinder mounting, and can meet the load-bearing test requirements of most lamps; the lamp leveling can be achieved by arranging the horizontal rod before reading, the horizontal rod is used for connecting the horizontal plane where the bottom of the lamp is located with the graduated scale, reading of the graduated scale is more accurate before and after testing, and reading accuracy of tests is greatly improved, so that an accurate and effective judgment basis is provided.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions.

Claims

1. The utility model provides a test fixture, its characterized in that for test lamps and lanterns bearing, test fixture include the support body, fixed connection in the lamps and lanterns erection joint of support body and vertical set up in the scale of support body, just the scale is located and is close to one side of lamps and lanterns erection joint.

2. The test fixture of claim 1, wherein the frame body comprises a horizontally disposed bottom plate, a vertical plate vertically fixed to the bottom plate, and a horizontal plate fixed to the vertical plate, and the horizontal plate is parallel to the bottom plate.

3. The test fixture of claim 2, wherein the light fixture mounting connectors comprise one or more of cartridge light fixture connectors, ceiling light fixture connectors, and wall-mounted light fixture connectors.

4. The test fixture of claim 3, wherein the cartridge lamp joint is fixed to one side of the frame body by a fixing column, and the fixing column is perpendicular to the scale on the same side.

5. The test fixture of claim 3, wherein the hanging light fitting joint is a hook vertically suspended from the lower side of the horizontal plate.

6. The test fixture of claim 2, wherein the side portions of the horizontal plate are adapted to be used as wall-mount light fittings.

7. The test fixture of claim 2, wherein the graduated scale is spaced apart from the vertical plate and the bottom of the graduated scale is fixed to the side of the bottom plate.

8. The test fixture of claim 2, wherein the scale is fixed to the base plate by a fixing frame.

9. The test fixture of claim 1, further comprising a horizontal bar for leveling the lamp.

10. The test fixture of claim 9, wherein the scale is a long cylindrical rod with scales, the rod body of the horizontal rod is a long flat rod body, and a collar matched with the diameter of the scale is fixed at one end of the rod body.