CN212192812U

CN212192812U - double-V-shaped positioning fixture

Info

Publication number: CN212192812U
Application number: CN202020481245.1U
Authority: CN
Inventors: 张朋勇; 罗敏丰
Original assignee: Wuhan Naylor Photoelectric Technology Co ltd
Current assignee: Wuhan Naylor Photoelectric Technology Co ltd
Priority date: 2020-04-05
Filing date: 2020-04-05
Publication date: 2020-12-22
Anticipated expiration: 2030-04-05

Abstract

The utility model relates to a two V style of calligraphy positioning fixture, positioning fixture's upper surface is equipped with 2V-arrangement grooves that each other become certain angle, 2 the V-arrangement groove is first V-arrangement groove and second V-arrangement groove, each respectively the V-arrangement groove is used for placing the pin of diode. The utility model provides a two V style of calligraphy positioning fixture for installing diode when the diode type of two pins appears, adopts the constant head tank of a corresponding two V types of calligraphy to fix a position the diode model, and two V type grooves that are certain angle can restrict respectively and put the radial degree of freedom of diode pin in it, can restrict the axial degree of freedom of another pin of diode again because of its special contained angle structure simultaneously, just so can fix a position two pin diode models completely.

Description

double-V-shaped positioning fixture

Technical Field

The utility model relates to a clamping technical field of optical device, concretely relates to two V style of calligraphy positioning fixture for installing diode.

Background

Currently, optical fiber communication is developed as one of the main communication modes because of its advantages of large communication capacity, long transmission distance, strong anti-electromagnetic interference capability, etc., and optical devices are the core devices of optical fiber communication. When monitoring the current in the diode optical device, the optical device coupling procedure completed in the process needs to meet the relevant process requirements, firstly, the diode needs to be fixed manually, and then a conductor is adopted to conduct a diode pin and an instrument for monitoring the current. In the prior art, a positioning fixture with only one V-shaped groove is available, which can be used for fixing a single linear object, such as an optical fiber and a single-pin diode, when a double-pin diode type occurs, the fixture cannot effectively position two pins at a certain angle with each other, the method has various steps and is inconvenient to operate, and the diode is easy to rotate and affects the contact stability when optical devices are coupled.

SUMMERY OF THE UTILITY MODEL

The utility model provides a two V style of calligraphy positioning fixture for installing diode has solved above technical problem.

The utility model provides a scheme as follows of above-mentioned technical problem: the utility model provides a two V style of calligraphy positioning fixture, positioning fixture's upper surface is equipped with 2V-arrangement grooves that each other become certain angle, 2 the V-arrangement groove is first V-arrangement groove and second V-arrangement groove respectively, each the V-arrangement groove is used for placing the pin of diode.

Further, the included angle between the first V-shaped groove and the second V-shaped groove is 90 degrees.

Furthermore, the bottom of each V-shaped groove is provided with a fillet, and the radius of the fillet is smaller than or equal to that of a pin of the diode.

Furthermore, the lower surface of the positioning fixture is provided with 2 radial magnet mounting holes, each radial magnet mounting hole is a blind hole, each radial magnet mounting hole is positioned below each V-shaped groove, and columnar magnets are mounted in the radial magnet mounting holes.

Further, each magnet radial mounting hole is positioned below the midpoint of each V-shaped groove.

Furthermore, two groove surfaces of each V-shaped groove are respectively provided with a magnet piece for fixing the diode pin.

Furthermore, an axial magnet mounting hole is formed below each V-shaped groove and along the length direction of the V-shaped groove.

The utility model has the advantages that: the utility model provides a two V style of calligraphy positioning fixture for installing diode when the diode type of two pins appears, adopts the constant head tank of a corresponding two V types of calligraphy to fix a position the diode model, and two V type grooves that are certain angle can restrict respectively and put the radial degree of freedom of diode pin in it, can restrict the axial degree of freedom of another pin of diode again because of its special contained angle structure simultaneously, just so can fix a position two pin diode models completely.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic perspective view of a double V-shaped positioning fixture (when a diode is mounted) according to embodiment 1 of the present invention;

fig. 2 is a front view of a double V-shaped positioning fixture (when a diode is installed) provided in embodiment 1 of the present invention;

fig. 3 is a back view of a double V-shaped positioning fixture (when a diode is mounted) provided in embodiment 1 of the present invention;

fig. 4 is a schematic perspective view of a double V-shaped positioning fixture (when no diode is installed) provided in embodiment 1 of the present invention;

fig. 5 is a schematic perspective view of a double V-shaped positioning fixture (when no diode is installed) according to embodiment 2 of the present invention;

fig. 6 is a schematic perspective view of a double V-shaped positioning fixture (when no diode is installed) according to embodiment 3 of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100. positioning a clamp; 10. a first V-shaped groove; 11. round corners; 20. a second V-shaped groove; 30. A magnet radial mounting hole; 40. a magnet piece; 50. a magnet axial mounting hole; 200. a diode; 201. a pipe head; 202. a second pin; 203. a first pin; 204. and (4) receiving the data.

Detailed Description

The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-6, the examples given are intended to illustrate the present invention and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

As shown in fig. 1-4, the utility model provides a two V style of calligraphy positioning fixture, positioning fixture 100's upper surface is equipped with 2V-arrangement grooves that each other become certain angle, 2 the V-arrangement groove is first V-arrangement groove 10 and second V-arrangement groove 20 respectively, each the V-arrangement groove is used for placing diode 200's pin.

The diode 200 includes a tube head 201, a second pin 202, a first pin 203, and a receiving terminal 204, wherein the second pin 202, the first pin 203, and the receiving terminal 204 are all fixed to the tube head 201, and the receiving terminal 204 is configured to receive an external photoelectric signal.

The embodiment provides a double-V-shaped positioning fixture for installing a diode, when a diode type with double pins occurs, the diode type is positioned by adopting a corresponding double-V-shaped positioning groove, two V-shaped grooves with certain angles can respectively limit the radial freedom degree of the diode pin arranged in the positioning groove, and the axial freedom degree of the other pin of the diode can be limited due to the special included angle structure, so that the diode type with double pins can be completely positioned without rotating.

Preferably, in order to meet the requirement of mutually perpendicular pins in the diode 200 in the market, the included angle between the first V-shaped groove 10 and the second V-shaped groove 20 is 90 degrees.

Of course, the included angle between the 2V-shaped grooves in the positioning fixture 100 may be any other angle according to the actual working condition requirement.

Preferably, in order to avoid causing damage to the surface of the pin of the diode 200, the bottom of each V-shaped groove is provided with a fillet for being tangent to the pin of the diode 200, and the radius of the fillet is smaller than or equal to the radius of the pin of the diode 200.

The radius of the fillet is designed to be smaller than or equal to the radius of the pin of the diode 200, so that the contact area between the V-shaped groove and the pin of the diode 200 is increased, and the safety and reliability between the V-shaped groove and the pin of the diode 200 are further ensured.

Preferably, the lower surface of the positioning fixture 100 is provided with 2 radial magnet mounting holes 30, each radial magnet mounting hole 30 is a blind hole, each radial magnet mounting hole 30 is located below each V-shaped groove, and a columnar magnet is mounted in each radial magnet mounting hole 30.

Through the magnetic device which can adsorb the pins of the diode 200 and is arranged in the positioning groove of the clamp, when the pins of the diode 200 reach the working range of the magnetic device, the pins of the diode are adsorbed to enable the pins to automatically enter the positioning area and then be positioned. The adsorption capacity of the magnetic device can be selectively matched according to the characteristics of the diode pins, so that the working range of the adsorption device is increased as far as possible while the diode pins can be well adsorbed, and the difficulty of placing the diodes by personnel is reduced.

Preferably, to ensure the safety and reliability of the attraction of the columnar magnets to the pins, each magnet radial mounting hole 30 is located below the midpoint of each V-shaped groove.

Wherein the material of the clamp can be designed into Teflon.

The positioning fixture 100 of embodiment 1 can completely limit the diode position, thereby establishing the diode position standard and improving the production yield; wherein automatic magnet adsorbs location structure greatly reduced personnel's operation requirement and the degree of difficulty, raises the efficiency.

Example 2

As shown in fig. 5, in order to further ensure the stability and reliability of the contact, a magnet piece 40 for fixing the pin of the diode 200 is mounted on each of the two groove surfaces of each V-shaped groove.

Example 3

As shown in fig. 6, in order to further ensure the stability and reliability of the contact, a magnet axial mounting hole 50 is provided below each of the V-shaped grooves and along the length direction thereof. A long columnar magnet is mounted in the magnet axial mounting hole 50.

It can be understood that the clamp cover plate can be arranged above the V-shaped groove to limit the freedom of all directions of the pins of the diode 200, so as to achieve the purpose of fixing the diode 200.

The utility model discloses a design and theory of operation do:

1. when coupling an optical device, the process requirement of monitoring the current of the device is met, firstly, double V-shaped grooves are adopted to limit one pin of a diode 200 respectively, meanwhile, a clamp is designed to be provided with a cover plate with a magnet, after the diode 200 is placed into the V-shaped grooves, the cover plate of the clamp is covered, and the cover plate and the V-shaped grooves simultaneously act to limit the freedom degrees of the diode in all directions, so that the purpose of fixing the diode is achieved;

2. in order to facilitate the release of the diode 200, a magnet for adsorbing a diode pin is arranged at the V-shaped groove of the clamp, and the diode pin is adsorbed when being close to the V-shaped groove magnet and automatically enters the V-shaped groove;

3. finally, a conductor is used for conducting the pin of the diode 200 with the instrument for monitoring the current.

The utility model provides a complete positioning problem of devices such as diode, this anchor clamps need not artificial accurate diode of putting simultaneously, have overcome the artifical difficult problem that is difficult to put into.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a two V font positioning fixture, characterized in that, positioning fixture's (100) upper surface is equipped with 2V-arrangement grooves that each other become certain angle, 2 the V-arrangement groove is first V-arrangement groove (10) and second V-arrangement groove (20) respectively, each V-arrangement groove is used for placing the pin of diode (200).

2. The double V-shaped positioning fixture according to claim 1, wherein the angle between the first V-shaped groove (10) and the second V-shaped groove (20) is 90 degrees.

3. The double-V-shaped positioning fixture as claimed in claim 1, wherein the bottom of each V-shaped groove is provided with a round corner, and the radius of the round corner is smaller than or equal to that of a pin of the diode (200).

4. The double-V-shaped positioning clamp according to claim 1, characterized in that the lower surface of the positioning clamp (100) is provided with 2 radial magnet mounting holes (30), each radial magnet mounting hole (30) is a blind hole, each radial magnet mounting hole (30) is located below each V-shaped groove, and a columnar magnet is mounted in each radial magnet mounting hole (30).

5. The double V-shaped positioning fixture of claim 4, wherein each magnet radial mounting hole (30) is located below the midpoint of each V-shaped groove.

6. The double V-shaped positioning jig as claimed in claim 1, wherein a magnet piece (40) for fixing a pin of the diode (200) is mounted on each of both groove surfaces of each of the V-shaped grooves.

7. The double V-shaped positioning fixture according to claim 1, wherein a magnet axial mounting hole (50) is formed below each V-shaped groove and along the length direction thereof.