CN216899122U - Single-tube optical fiber light guide bundle device - Google Patents

Abstract

The utility model discloses a single-tube optical fiber light guide device, which comprises an optical fiber light guide, a light guide connector, a protection sleeve and a detection probe. The light guide connector is screwed with the protection sleeve, and the detection probe is connected to an optical fiber. The light guide is threadedly connected, and further includes: a guide mechanism, connected with the protection sleeve, for guiding the optical fiber guide light beam to pass through the protection sleeve, the guide mechanism includes a slider pressing component and a connecting component, the pressing The assembly is connected with the sliding block through a connecting assembly, and the sliding block is slidably matched with the chute opened on the protective sleeve; the connecting assembly includes a No. 1 connecting rod and a No. 2 connecting rod, and the No. 1 connecting rod and the sliding block are The No. 2 connecting rod is rotatably connected with the No. 1 connecting rod. The utility model belongs to the technical field of optical fiber communication; the structure of the utility model is reasonable, which can guide the optical fiber guide light beam to pass through the protective sleeve, and prevent the optical fiber guide light beam from passing through the protective sleeve. Damaged in the process of overprotecting the sleeve.

Description

A single-tube optical fiber light guide device

technical field

The utility model belongs to the technical field of optical fiber communication, in particular to a single-tube optical fiber light guide device.

Background technique

The contact-type liquid level detection optical fiber detection probes in the prior art are all fixed and non-replaceable. When in practical application, with the change of the detection environment and the detection material, the diameter, detection angle and length of the optical fiber sensor head need to be changed. . Existing contact liquid level detection fiber optic detection probes cannot meet this changing demand. Therefore, the Chinese patent with the application number CN201621096065.1 discloses a contact-type liquid level detection optical fiber with a replaceable detection head, which includes a stainless steel pipe taper threaded sleeve, a double-core optical cable, a plurality of lenses, a threaded pressure sleeve, a mouth-shaped sealing ring, and The optical fiber sensing head, a plurality of lenses, are installed in a fixed copper sleeve with a common optical axis to form a lens combination, and the optical fiber sensing head is arranged in the threaded pressure sleeve and can be screwed in or out synchronously with the threaded pressure sleeve Stainless steel pipe taper threaded sleeve, the detection end of the optical fiber sensing head is set in a conical shape.

When the existing optical fiber light guide passes through the protective sleeve, the optical fiber light guide often collides with the protective sleeve to cause damage to the optical fiber light guide.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a single-tube optical fiber light guide device, which solves the above problems.

In order to achieve the above purpose, the present utility model is realized through the following technical solutions: a single-tube optical fiber light guide device, comprising an optical fiber light guide, a light guide connector, a protective sleeve and a detection probe, the light guide connector and the protective sleeve. The barrel is threadedly connected, and the detection probe is threadedly connected to the optical fiber light guide, and further includes:

A guide mechanism, connected with the protection sleeve, for guiding the optical fiber guide light beam to pass through the protection sleeve, the guide mechanism includes a sliding block pressing component and a connecting component, and the pressing component is connected with the sliding block through the connecting component , the sliding block is slidingly matched with the chute provided on the protective sleeve;

The connecting assembly includes a No. 1 connecting rod and a No. 2 connecting rod, the No. 1 connecting rod is rotatably connected with the slider, the No. 2 connecting rod is rotatably connected with the No. 1 connecting rod, and the No. 2 connecting rod is connected with the pressing Component connection.

On the basis of the above-mentioned technical solutions, the present utility model also provides the following optional technical solutions:

A further technical solution: the pressing component includes a No. 1 hoop, a No. 2 hoop and an adapting component, and the No. 1 hoop is connected to the No. 2 hoop through the adapting component.

A further technical solution: the protection sleeve is rotatably connected with a screw cylinder, and the screw cylinder is rotatably connected with the protection sleeve.

A further technical solution: sealing rings are arranged between the light guide connector and the protective sleeve and between the detection probe and the protective sleeve.

A further technical solution: a non-slip sleeve is fixedly connected to the light guide connector and the detection probe.

Further technical solution: the adapting assembly includes a No. 1 limit rod, a No. 2 limit rod and an elastic member, and a push plate is fixedly connected to the No. 1 limit rod, and the push plate is connected to the No. 2 limit rod. The grooves on the rod are slidably matched, the elastic piece is located between the No. 1 limit rod and the No. 2 limit rod, and the elastic piece is fixedly connected with the No. 1 limit rod and the No. 2 limit rod.

A further technical solution: the No. 1 limit rod and the No. 2 limit rod are both T-shaped rods.

Further technical solution: the elastic member is any one of a compression spring, a spring and an elastic steel plate.

beneficial effect

The utility model provides a single-tube optical fiber light guide device. Compared with the prior art, it has the following beneficial effects:

1. The user can fix the optical fiber light guide on the pressing component, and then push the optical fiber light guide to slide along the protective sleeve. At this time, the second connecting rod and the No. 1 connecting rod are folded under the driving of the fiber guide light beam, and The No. 1 connecting rod will push the slider that is rotatably connected to it to slide along the chute. The purpose of this setting is to use the pressing component to push the slider to slide along the chute through the connecting component to promote the optical fiber guide light to pass through. Through the protective sleeve, the optical fiber guide light beam can be guided without causing damage to the optical fiber guide light beam;

2. The compression assembly can make use of the elasticity of the elastic member in the adaptation assembly, so that the No. 1 hoop and the No. 2 hoop can always stick to the surface of the optical fiber light guide. The purpose of this setting is to use the adaptation assembly to match the No. 1 hoop and The No. 2 hoop realizes the compression and fixation of the optical fiber guide light beam.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

FIG. 2 is a schematic structural diagram of the guide assembly of the present invention.

Figure 3 is an enlarged schematic view of the structure of part A of the present invention.

FIG. 4 is a schematic structural diagram of the fixing assembly of the present invention.

Reference number notes: 1. Optical fiber light guide; 2. Light guide connector; 3. Anti-skid sleeve; 4. Protective sleeve; 5. Screw barrel; 6. Sealing ring; 7. Detection probe; 8. Chute; 9. Slider; 10. No. 1 connecting rod; 11. Slot position; 12. No. 2 connecting rod; 13. Push plate; 14. No. 1 hoop; 15, No. 2 hoop; 16, No. 1 limit rod ; 17, No. 2 limit rod; 18, elastic parts.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

Please refer to FIGS. 1-2 , which is an embodiment of the present utility model, a single-tube optical fiber light guide device, comprising an optical fiber light guide 1 , a light guide connector 2 , a protective sleeve 4 and a detection probe 7 , the light guide The connector 2 is threadedly connected to the protective sleeve 4, the detection probe 7 is threadedly connected to the optical fiber guide 1, and further includes:

The guiding mechanism, connected with the protective sleeve 4, is used to guide the optical fiber guide beam 1 to pass through the protective sleeve 4. The guiding mechanism includes a pressing component of the slider 9 and a connecting component. The pressing component is connected to the slider 9 through the connecting component. The slider 9 is slidingly matched with the chute 8 provided on the protective sleeve 4;

The connecting component includes a No. 1 connecting rod 10 and a No. 2 connecting rod 12. The No. 1 connecting rod 10 is rotatably connected with the slider 9, the No. 2 connecting rod 12 is rotatably connected with the No. 1 connecting rod 10, and the No. 2 connecting rod 12 is connected with the pressing component. connect.

Preferably, the protective sleeve 4 is provided with an anti-skid groove (not marked in the figure). The purpose of this arrangement is to increase the frictional force between the protective cylinder 4 and external objects.

In the embodiment of the present invention, the user fixes the optical fiber light guide 1 on the pressing component, and then pushes the optical fiber light guide 1 to slide along the protective sleeve 4. At this time, the second connection is driven by the optical fiber light guide 1. The rod 12 is folded with the No. 1 connecting rod 10, and the No. 1 connecting rod 10 will push the slider 9 rotatably connected with it to slide along the chute 8. The purpose of this setting is to use the pressing component to push the sliding block through the connecting component. The block 9 slides along the chute 8 to make the optical fiber guide 1 pass through the protective sleeve 4 , so as to guide the optical fiber guide 1 without causing damage to the optical fiber guide 1 .

Please refer to FIGS. 1 to 4. As an embodiment of the present invention, the pressing component includes a No. 1 hoop 14, a No. 2 hoop 15 and an adapting component. The No. 1 hoop 14 passes through the adapting component and the No. 2 hoop 15. connect.

Preferably, the adapting assembly includes a No. 1 limit rod 16, a No. 2 limit rod 17 and an elastic member 18. The No. 1 limit rod 16 is fixedly connected with a push plate 13, and the push plate 13 is connected to the No. 2 limit rod 17. The grooves 11 on the top are slidably matched, and the elastic piece 18 is located between the No. 1 limit rod 16 and the No. 2 limit rod 17 , and the elastic piece 18 is fixedly connected with the No. 1 limit rod 16 and the No. 2 limit rod 17 . The purpose of this arrangement is to use the elasticity of the elastic member 18 to promote the No. 1 hoop 14 and the No. 2 hoop 15 to be in close contact with the surface of the optical fiber light guide 1 all the time, so as to realize the pressing and fixing of the optical fiber light guide 1 .

Preferably, the elastic member 18 is any one of a compression spring, a spring and an elastic steel plate.

Preferably, the first limit rod 16 and the second limit rod 17 are both T-shaped rods.

In the embodiment of the present invention, the purpose of this arrangement is to use the adaptable components to make the No. 1 hoop 14 and the No. 2 hoop 15 stick to the surface of the optical fiber light guide 1 all the time, so as to realize the pressing and fixing of the optical fiber light guide 1 .

Referring to FIG. 1 , as an embodiment of the present invention, a screw barrel 5 is rotatably connected to the protection sleeve 4 , and the screw cylinder 5 is rotatably connected to the protection sleeve 4 .

Preferably, the screw barrel 5 is threadedly connected with the protection sleeve 4 rotatably connected thereto.

In the embodiment of the present invention, the purpose of this arrangement is to use the screw barrel 5 to connect the two protective sleeves 4 into a whole.

Referring to FIG. 1 , as an embodiment of the present invention, a sealing ring 6 is provided between the light guide connector 2 and the protective sleeve 4 and between the detection probe 7 and the protective sleeve 4 .

In the embodiment of the present invention, the purpose of this arrangement is to seal the connection between the light guide connecting heads 2 and 7 and the protective sleeve 4 .

Please refer to FIG. 1 , as an embodiment of the present invention, a non-slip sleeve 3 is fixedly connected to the light guide connector 2 and the detection probe 7 .

In the embodiment of the present invention, the purpose of this arrangement is to facilitate the staff to rotate the light guide connector 2 and the detection probe 7 .

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides a single tube optic fibre leaded light beam device, includes optic fibre leaded light beam (1), leaded light beam connector (2), protective sleeve (4) and test probe (7), leaded light beam connector (2) and protective sleeve (4) threaded connection, test probe (7) and optic fibre leaded light beam (1) threaded connection, its characterized in that still includes:

the guiding mechanism is connected with the protective sleeve (4) and used for guiding the optical fiber light guide bundle (1) to penetrate through the protective sleeve (4), the guiding mechanism comprises a sliding block (9) pressing assembly and a connecting assembly, the pressing assembly is connected with the sliding block (9) through the connecting assembly, and the sliding block (9) is in sliding fit with a sliding groove (8) formed in the protective sleeve (4);

coupling assembling includes connecting rod (10) and No. two connecting rod (12), connecting rod (10) rotate with slider (9) and are connected, No. two connecting rod (12) rotate with connecting rod (10) and are connected, No. two connecting rod (12) are connected with the compressing tightly subassembly.

2. The single tube optical fiber light guide bundle device according to claim 1, wherein the compression assembly comprises a first hoop (14), a second hoop (15), and an adaptation assembly, and the first hoop (14) is connected with the second hoop (15) through the adaptation assembly.

3. The single-tube optical fiber light guide bundle device according to claim 1, wherein a screw (5) is rotatably connected to the protective sleeve (4), and the screw (5) is rotatably connected to the protective sleeve (4).

4. The single-tube optical fiber light guide bundle device according to claim 1, wherein a sealing ring (6) is arranged between the light guide bundle connector (2) and the protective sleeve (4) and between the detection probe (7) and the protective sleeve (4).

5. The single-tube optical fiber light guide bundle device according to claim 1, wherein the light guide bundle connector (2) and the detection probe (7) are fixedly connected with anti-slip sleeves (3).

6. The single-tube optical fiber light guide bundle device according to claim 2, wherein the adapting assembly comprises a first limiting rod (16), a second limiting rod (17) and an elastic member (18), a push plate (13) is fixedly connected to the first limiting rod (16), the push plate (13) is in sliding fit with a groove (11) formed in the second limiting rod (17), the elastic member (18) is located between the first limiting rod (16) and the second limiting rod (17), and the elastic member (18) is fixedly connected with the first limiting rod (16) and the second limiting rod (17).

7. The single-tube optical fiber light guide bundle device according to claim 6, wherein the first limiting rod (16) and the second limiting rod (17) are both T-shaped rods.

8. The single tube optical fiber light guide bundle device according to claim 6, wherein the elastic member (18) is any one of a compression spring, a spring, and an elastic steel plate.

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