CN216391659U

CN216391659U - Input signal detection device for trunk amplifier

Info

Publication number: CN216391659U
Application number: CN202122729428.8U
Authority: CN
Inventors: 李筱楠; 韩朵朵
Original assignee: Shijiazhuang Institute of Railway Technology
Current assignee: Shijiazhuang Institute of Railway Technology
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-04-26
Anticipated expiration: 2031-11-09

Abstract

The utility model relates to the technical field of amplifier signal detection devices, in particular to an input signal detection device for a trunk amplifier, which comprises an upper cover, a bottom shell and a locking mechanism, wherein a single chip microcomputer and a chip are respectively and fixedly installed inside the bottom shell, the locking mechanism comprises a fixed block, connecting holes are formed inside the fixed block, expanding holes are formed inside the connecting holes, a rotating rod is inserted into the space between the two groups of connecting holes, connecting discs are symmetrically and fixedly installed on the outer surfaces of the rotating rods, and torsional springs are sleeved on the outer surfaces of the rotating rods positioned between the connecting discs and the expanding holes. According to the utility model, the locking mechanism is arranged, and the upper cover and the bottom shell can be installed and fixed under the matching action of the fixing block, the connecting hole, the enlarged hole, the rotating rod, the connecting disc, the torsion spring, the rotating plate, the clamping block, the clamping groove and other related components, and the fixing by means of screws is not needed, so that the situation that the screws slide in the use process can be fundamentally avoided, and the operation is simple and convenient.

Description

Input signal detection device for trunk amplifier

Technical Field

The utility model relates to the technical field of amplifier signal detection devices, in particular to an input signal detection device for a trunk amplifier.

Background

Trunk amplifier, put for short futilely, be the signal amplification equipment when the power step-down can not satisfy the coverage requirement, when signal source equipment power is difficult to reach the coverage requirement, the power of signal source can be enlargied to this equipment, with covering more regions, in order to ensure the normal output of signal, the testing process to the signal is indispensable, current signal detection device is when the assembly, all adopt the screw to fix basically, but when adopting the screw to fix, when overhauing the device inside, because the material of shell all is plastic products, consequently the smooth silk condition appears very easily, lead to in the follow-up use, whole device appears becoming flexible.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an input signal detection device for a trunk amplifier.

In order to achieve the purpose, the utility model adopts the following technical scheme: an input signal detection device for a trunk amplifier comprises an upper cover, a bottom shell and a locking mechanism, wherein a singlechip and a chip are respectively and fixedly installed in the bottom shell, the locking mechanism comprises a fixed block, connecting holes are arranged in the fixed block, enlarged holes are arranged in the connecting holes, a rotating rod is inserted in the space between the two groups of connecting holes, connecting discs are symmetrically and fixedly arranged on the outer surface of the rotating rod, the connecting discs are matched with the size of the enlarged holes, a torsion spring is sleeved on the outer surface of the rotating rod between the connecting discs and the enlarged holes, a rotating plate is fixedly arranged on the outer surface of the rotating rod between the two groups of fixed blocks, the bottom end of the rotating plate is fixedly provided with a clamping block, the outer surface of the bottom shell is provided with a clamping groove, the clamping block is inserted into the clamping groove, and the lower surface of the bottom shell is symmetrically provided with anti-skidding mechanisms.

In order to ensure that the upper cover and the bottom cover are completely fixed, the utility model improves that the number of the locking mechanisms is four, and the four groups of the locking mechanisms are symmetrically distributed.

In order to improve the locking effect of the rotating plate, the utility model is improved in that positioning blocks are symmetrically and fixedly installed on one side, close to the clamping groove, of the bottom shell, a through hole is formed in the bottom end of the rotating plate, a positioning hole is formed in the positioning block, and a plunger is inserted into the through hole and the positioning hole.

In order to further improve the connecting effect of the upper cover and the bottom shell, the improved structure of the utility model is that the insertion rods are symmetrically and fixedly arranged inside the bottom shell, the insertion caps are symmetrically and fixedly arranged inside the upper cover, and the top ends of the insertion rods are inserted into the insertion caps.

In order to improve the use stability of the whole device, the anti-skid mechanism comprises a bottom hole, an insertion block is inserted into the bottom hole, a ground mat is fixedly installed at the bottom end of the insertion block, an annular adhesive tape is fixedly installed on the upper surface of the ground mat, and dustproof paper is arranged on the upper surface of the annular adhesive tape.

In order to further improve the anti-skid effect of the floor mat, the utility model has the improvement that the lower surface of the floor mat is fixedly provided with a friction pad.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, the locking mechanism is arranged, and the upper cover and the bottom shell can be installed and fixed under the matching action of the fixing block, the connecting hole, the enlarged hole, the rotating rod, the connecting disc, the torsion spring, the rotating plate, the clamping block, the clamping groove and other related components, and the fixing by means of screws is not needed, so that the situation that the screws slide in the use process can be fundamentally avoided, and the operation is simple and convenient.

2. According to the utility model, by arranging the anti-slip mechanism, under the matching action of the bottom hole, the insertion block, the ground mat, the annular adhesive tape, the dustproof paper and the friction pad, the friction force of the whole device when contacting with the ground or a desktop can be greatly improved, and the use stability of the whole device can be greatly improved, so that the smooth operation of the whole detection process can be ensured.

Drawings

Fig. 1 is a schematic perspective view of an input signal detection device for a trunk amplifier according to the present invention;

FIG. 2 is an exploded view of an input signal detection device for a trunk amplifier according to the present invention;

FIG. 3 is an enlarged view of the input signal detection device for the trunk amplifier shown in FIG. 2;

FIG. 4 is an enlarged view of the input signal detection device for the trunk amplifier shown in FIG. 2;

FIG. 5 is an enlarged view of the input signal detection device for the trunk amplifier shown in FIG. 2;

FIG. 6 is a schematic diagram of the bottom view of FIG. 2 illustrating an input signal detection apparatus for a trunk amplifier according to the present invention;

fig. 7 is an enlarged view of the input signal detection device for the trunk amplifier shown in fig. 6.

Illustration of the drawings:

1. an upper cover; 2. a bottom case; 3. a single chip microcomputer; 4. a chip; 5. a fixed block; 6. connecting holes; 7. enlarging the hole; 8. a rotating rod; 9. a connecting disc; 10. a torsion spring; 11. rotating the plate; 12. a clamping block; 13. a card slot; 14. positioning blocks; 15. a through hole; 16. positioning holes; 17. a plunger; 18. inserting a rod; 19. inserting a cap; 20. a bottom hole; 21. inserting a block; 22. a floor mat; 23. an endless adhesive tape; 24. dust-proof paper; 25. a friction pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-7, the present invention provides a technical solution: an input signal detection device for a trunk amplifier comprises an upper cover 1, a bottom shell 2 and a locking mechanism, wherein a single chip microcomputer 3 and a chip 4 are fixedly installed inside the bottom shell 2 respectively, the locking mechanism comprises a fixing block 5, connecting holes 6 are formed inside the fixing block 5, expanding holes 7 are formed inside the connecting holes 6, rotating rods 8 are inserted between two groups of the connecting holes 6, connecting discs 9 are symmetrically and fixedly installed on the outer surfaces of the rotating rods 8, the connecting discs 9 are matched with the expanding holes 7 in size, torsion springs 10 are sleeved on the outer surfaces of the rotating rods 8 between the connecting discs 9 and the expanding holes 7, rotating plates 11 are fixedly installed on the outer surfaces of the rotating rods 8 between the two groups of the fixing blocks 5, clamping blocks 12 are fixedly installed at the bottom ends of the rotating plates 11, clamping grooves 13 are formed in the outer surface of the bottom shell 2, and the clamping blocks 12 are inserted inside the clamping grooves 13 Under the matching effect of relevant parts such as the connecting hole 6, the enlarged hole 7, the rotating rod 8, the connecting disc 9, the torsion spring 10, the rotating plate 11, the clamping block 12, the clamping groove 13 and the like, the fixing mode of the traditional signal detection device can be changed, the fixing installation is not carried out by screws, further, the occurrence of unexpected situations such as wire sliding and the like can be fundamentally avoided, and the whole device is ensured to be stably connected.

The number of the locking mechanisms is four, and the four locking mechanisms are symmetrically distributed, so that the main purpose of the four locking mechanisms is to ensure that the upper cover 1 and the bottom shell 2 can be completely fixed.

The side, close to the clamping groove 13, of the bottom shell 2 is symmetrically and fixedly provided with positioning blocks 14, the bottom end of the rotating plate 11 is provided with a through hole 15, the positioning hole 16 is formed in the positioning block 14, a plunger 17 is inserted into the through hole 15 and the positioning hole 16, an insertion rod 18 is symmetrically and fixedly installed in the bottom shell 2, an insertion cap 19 is symmetrically and fixedly installed in the upper cover 1, and the top end of the insertion rod 18 is inserted into the insertion cap 19.

The anti-skid mechanism is symmetrically arranged on the lower surface of the bottom shell 2 and comprises a bottom hole 20, an insertion block 21 is inserted into the bottom hole 20, a ground mat 22 is fixedly arranged at the bottom end of the insertion block 21, an annular adhesive tape 23 is fixedly arranged on the upper surface of the ground mat 22, dustproof paper 24 is arranged on the upper surface of the annular adhesive tape 23, and a friction mat 25 is fixedly arranged on the lower surface of the ground mat 22.

The working principle is as follows: when a user uses the detection device, external equipment can be connected with the detection device, then input signals can be amplified and detected through the single chip microcomputer 3 and the chip 4, in the detection process, the ground mat 22 can be directly attached to the lower surface of the bottom shell 2 in the process that the insert block 21 is inserted into the bottom hole 20 through the adhesion effect of the annular adhesive tape 23, and further the stability in the detection process of the detection device is ensured, when the interior of the detection device needs to be overhauled, the user only needs to take the plunger 17 out of the through hole 15 and the positioning hole 16, then dial the rotating plate 11 outwards, then pull the upper cover 1 outwards, namely the separation of the upper cover 1 and the bottom shell 2 can be realized, after the detection is finished, the user aligns the upper cover 1 to the bottom shell 2, and firstly performs primary positioning connection on the upper cover 1 and the bottom shell 2 through the connection effect of the insert rod 18 and the insert cap 19, then under the action of the torsion spring 10, the rotating plate 11 with the latch 12 is inserted into the slot 13, and then the user inserts the plunger 17 into the through hole 15 and the positioning hole 16, thereby completing the assembly of the whole device.

Although the present invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.

Claims

1. An input signal detection device for a trunk amplifier comprises an upper cover (1), a bottom shell (2) and a locking mechanism, and is characterized in that: the inner part of the bottom shell (2) is respectively and fixedly provided with a single chip microcomputer (3) and a chip (4), the locking mechanism comprises a fixing block (5), the inner part of the fixing block (5) is provided with a connecting hole (6), the inner part of the connecting hole (6) is provided with an enlarged hole (7), a rotating rod (8) is inserted between the two groups of connecting holes (6), the outer surface of the rotating rod (8) is symmetrically and fixedly provided with a connecting disc (9), the connecting disc (9) is matched with the enlarged hole (7) in size, the outer surface of the rotating rod (8) between the connecting disc (9) and the enlarged hole (7) is sleeved with a torsion spring (10), the outer surface of the rotating rod (8) between the two groups of fixing blocks (5) is fixedly provided with a rotating plate (11), the bottom end of the rotating plate (11) is fixedly provided with a clamping block (12), the outer surface of the bottom shell (2) is provided with a clamping groove (13), the clamping blocks (12) are inserted in the clamping grooves (13), and the anti-skidding mechanisms are symmetrically arranged on the lower surface of the bottom shell (2).

2. An input signal detecting device for a trunk amplifier according to claim 1, characterized in that: the number of the locking mechanisms is four, and the four locking mechanisms are symmetrically distributed.

3. An input signal detecting device for a trunk amplifier according to claim 1, characterized in that: positioning blocks (14) are symmetrically and fixedly mounted on one side, close to the clamping groove (13), of the bottom shell (2), a through hole (15) is formed in the bottom end of the rotating plate (11), a positioning hole (16) is formed in the positioning block (14), and a plunger (17) is inserted into the through hole (15) and the positioning hole (16).

4. An input signal detecting device for a trunk amplifier according to claim 1, characterized in that: the inner part of the bottom shell (2) is symmetrically and fixedly provided with inserting rods (18), the inner part of the upper cover (1) is symmetrically and fixedly provided with inserting caps (19), and the top ends of the inserting rods (18) are inserted into the inserting caps (19).

5. An input signal detecting device for a trunk amplifier according to claim 1, characterized in that: anti-skidding mechanism includes bottom hole (20), insert in the inside of bottom hole (20) and be equipped with inserted block (21), the bottom fixed mounting of inserted block (21) has ground mat (22), the last fixed surface of ground mat (22) installs annular sticky tape (23), the upper surface of annular sticky tape (23) is provided with dustproof paper (24).

6. An input signal detecting device for a trunk amplifier according to claim 5, characterized in that: the lower surface of the ground mat (22) is fixedly provided with a friction pad (25).