CN217208605U

CN217208605U - Low-noise amplifier main body structure

Info

Publication number: CN217208605U
Application number: CN202220804023.8U
Authority: CN
Inventors: 秦飞飞
Original assignee: Henan Xinshi Information Technology Co Ltd
Current assignee: Henan Xinshi Information Technology Co Ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-16
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses a low noise amplifier major structure, including the low noise amplifier body, the bottom demountable installation of low noise amplifier body has the mounting panel, the top of mounting panel is equipped with the gomphosis groove identical with low noise amplifier body bottom structure, the both sides of low noise amplifier body all are equipped with the fly leaf, the both sides of fly leaf bottom all are fixed with the spliced pole, the gomphosis groove at mounting panel top all is equipped with all around with the identical fixed orifices of spliced pole structure, just the notch has all been seted up at both ends around low noise amplifier body both sides, the inside of notch is fixed with the slide bar, the outside slip cover of slide bar is equipped with the movable sleeve, the outside of movable sleeve all with the inboard fixed connection of fly leaf, and the outside cover of slide bar is equipped with the spring. This low noise amplifier major structure can be convenient carry out the dismouting on erection equipment to operating personnel carries out the test maintenance work.

Description

Low-noise amplifier main body structure

Technical Field

The utility model relates to a low noise amplifier technical field specifically is a low noise amplifier major structure.

Background

A low noise amplifier refers to an amplifier with a very low noise figure. It is commonly used as a high-frequency or intermediate-frequency preamplifier for various radio receivers and an amplifying circuit for high-sensitivity electronic detection equipment. In the case of amplifying a weak signal, the noise of the amplifier itself may interfere with the signal seriously, and it is desirable to reduce the noise to improve the signal-to-noise ratio of the output.

Most of the existing low-noise amplifiers are assembled on equipment needing to be installed in a screw fixing mode, and in order to guarantee continuous and stable operation of the equipment, the low-noise amplifiers are frequently required to be detached from the equipment in the using process for periodic test maintenance, so that an operator is troublesome in the detaching process, and certain inconvenience is brought to test maintenance work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low noise amplifier major structure to solve the present low noise amplifier that above-mentioned background art provided because most passes through the mode assembly of screw fixation on the equipment that needs the installation, make operating personnel dismantle to it and test comparatively trouble problem when maintaining.

In order to achieve the above object, the utility model provides a following technical scheme: a low noise amplifier main body structure comprises a low noise amplifier body, wherein the bottom of the low noise amplifier body is detachably provided with an installation plate, the top of the mounting plate is provided with an embedded groove matched with the bottom structure of the low-noise amplifier body, the two sides of the low noise amplifier body are both provided with movable plates, the two sides of the bottom of the movable plates are both fixed with connecting columns, the periphery of the tabling groove at the top of the mounting plate is provided with a fixing hole matched with the structure of the connecting column, notches are respectively arranged at the front end and the rear end of the two sides of the low noise amplifier body, a sliding rod is fixed in each notch, the outer part of the slide bar is slidably sleeved with a movable sleeve, the outer side of the movable sleeve is fixedly connected with the inner side of the movable plate, and the outside cover of slide bar is equipped with the spring, the upper and lower both ends of spring are connected with the top inner wall of notch and the top of movable sleeve respectively.

Preferably, the outside of spliced pole bottom is encircleed and is fixed with a plurality of block rubber, just it is identical draw-in groove with the block rubber structure to encircle to be equipped with a plurality of on the inner wall of fixed orifices.

Preferably, the outside at the top end of the connecting column is also provided with a reinforcing ring, the inner wall of the fixing hole is provided with an annular clamping hole matched with the structure of the reinforcing ring, and an elastic sponge ring is arranged between the inner wall of the reinforcing ring and the outer wall of the connecting column.

Preferably, a damping ring is fixedly attached to the inner wall of the movable sleeve, and the thickness of the damping ring is 0.1-0.3 cm.

Preferably, the movable plate is of a strip structure, and the movable plates are symmetrically distributed on two sides of the low noise amplifier body.

Preferably, an opening is formed in the bottom of the middle of the movable plate, and the inner wall of the opening in the bottom of the movable plate is of a circular arc-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that: this low noise amplifier major structure can be convenient carry out the dismouting on erection equipment to operating personnel carries out the test maintenance work. The device is through the bottom gomphosis of low noise amplifier body at the gomphosis inslot at mounting panel top to utilize the fly leaf to drive the movable sleeve and insert the inside of spliced pole insert the fixed orifices at the outside slip extrusion spring of slide bar, this makes low noise amplifier body assembly can be solitary carry out the dismouting on the mounting panel after on the equipment that needs the installation, it is more convenient when making operating personnel maintain its test, avoid the low noise amplifier body to assemble the very trouble problem of process that causes the dismouting on erection equipment through the mode of screw fixation.

Drawings

Fig. 1 is a schematic structural diagram of a main body of a low noise amplifier of the present invention;

fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 of a main body structure of a low noise amplifier according to the present invention;

fig. 3 is a schematic side view of the main structure of a low noise amplifier of the present invention;

fig. 4 is a schematic view of a connection structure between a connection post and a reinforcement ring of a main body structure of a low noise amplifier of the present invention;

fig. 5 is a schematic view of the connection structure between the movable sleeve and the sliding rod of the main body structure of the low noise amplifier of the present invention.

In the figure: 1. a low noise amplifier body; 2. mounting a plate; 3. a movable plate; 4. connecting columns; 5. a reinforcing ring; 6. a rubber block; 7. a fixing hole; 8. a recess; 9. a slide bar; 10. a spring; 11. a movable sleeve; 12. an elastic sponge ring; 13. a damping ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a low noise amplifier main body structure comprises a low noise amplifier body 1, a mounting plate 2 is detachably mounted at the bottom of the low noise amplifier body 1, mounting holes are formed in four corners of the mounting plate 2, an embedding groove matched with the bottom structure of the low noise amplifier body 1 is formed in the top of the mounting plate 2, movable plates 3 are arranged on two sides of the low noise amplifier body 1, connecting columns 4 are fixedly welded on two sides of the bottom of each movable plate 3, fixing holes 7 matched with the connecting columns 4 in structure are formed in the periphery of the embedding groove in the top of the mounting plate 2, notches 8 are formed in the front end and the rear end of each side of the low noise amplifier body 1, a sliding rod 9 is fixed inside each notch 8, the upper end and the lower end of each sliding rod 9 are fixedly connected with the inner walls of the upper side and the lower side of each notch 8 respectively, a movable sleeve 11 is sleeved outside the sliding rod 9, and the outer side of each movable sleeve 11 is fixedly connected with the inner side of each movable plate 3, and the spring 10 is sleeved outside the sliding rod 9, the upper and lower ends of the spring 10 are respectively connected with the top inner wall of the notch 8 and the top of the movable sleeve 11, the low noise amplifier body 1 of the structure can be embedded in the embedded groove at the top of the mounting plate 2 by embedding the bottom, and the movable sleeve 11 is driven by the movable plate 3 to slide outside the sliding rod 9 to extrude the spring 10, so that the movable plate 3 can drive the connecting column 4 to be inserted into the fixing hole 7 under the action force of the spring 10, thereby the low noise amplifier body 1 is limited and fixed at the top of the mounting plate 2, and the low noise amplifier body 1 can be conveniently dismounted and mounted on the mounting plate 2 after being mounted on the equipment to be mounted, so that an operator can conveniently test and maintain the work, and the problem that the dismounting and mounting process caused by the low noise amplifier body 1 being mounted on the mounting equipment in a screw fixing manner is very troublesome is solved, the outer part of the bottom end of the connecting column 4 is fixed with a plurality of rubber blocks 6 in a surrounding mode, the inner wall of the fixing hole 7 is provided with a plurality of clamping grooves matched with the rubber blocks 6 in a surrounding mode, when the connecting column 4 is inserted into the fixing hole 7, the structure can synchronously drive the rubber blocks 6 to extrude into the clamping grooves in the inner wall of the fixing hole 7, so that firmness when the connecting column 4 is inserted into the fixing hole 7 is improved, the low-noise amplifier body 1 is installed on the installation plate 2 to be more stable, the outer part of the top end of the connecting column 4 is further provided with a reinforcing ring 5, the inner wall of the fixing hole 7 is provided with an annular clamping hole matched with the structure of the reinforcing ring 5, an elastic sponge ring 12 is arranged between the inner wall of the reinforcing ring 5 and the outer wall of the connecting column 4, when the connecting column 4 is inserted into the fixing hole 7, the reinforcing ring 5 can also be extruded and fixed in the annular clamping hole in the inner wall of the fixing hole 7 under the acting force of the elastic sponge ring 12, thereby further improving the firmness when the connecting column 4 is inserted into the fixing hole 7, the inner wall of the movable sleeve 11 is fixedly attached with the damping ring 13, the thickness of the damping ring 13 is 0.1-0.3cm, the structural movable sleeve 11 can increase the friction force when sliding outside the slide rod 9 through the damping ring 13, so that the movable sleeve 11 can not easily slide outside the slide rod 9, thereby avoiding the situation that the movable sleeve 3 drives the connecting column 4 to loose in the fixing hole 7, the movable plate 3 is of a strip structure, the movable plate 3 is symmetrically distributed on two sides of the low noise amplifier body 1, the structural movable plate 3 can simultaneously drive two connecting columns 4 to be inserted into the fixing hole 7, thereby improving the efficiency of the low noise amplifier body 1 when being installed on the top of the mounting plate 2, the bottom in the middle of the movable plate 3 is provided with an opening, and the inner wall of the opening at the bottom of the movable plate 3 is of a circular arc structure, the opening at the bottom of the movable plate 3 can facilitate the operator to push the movable plate 3 to move up and down, and the operation is more convenient.

The working principle is as follows: when the low noise amplifier main body structure is used, firstly, the mounting plate 2 is fixed on equipment to be mounted through mounting holes at four corners, then the bottom of the low noise amplifier body 1 is embedded in an embedding groove at the top of the mounting plate 2, at this time, an operator holds an opening at the bottom of the movable plate 3 to push upwards, when the movable plate 3 moves upwards, the movable sleeve 11 is driven to slide outside the slide rod 9 and extrude the spring 10, when the connecting column 4 corresponds to the fixing hole 7, the movable plate 3 is loosened, the movable plate 3 can drive the two connecting columns 4 to be simultaneously inserted into the fixing hole 7 under the action of the spring 10, when the connecting column 4 is inserted into the fixing hole 7, the rubber block 6 is synchronously driven to extrude into a clamping groove on the inner wall of the fixing hole 7, and the reinforcing ring 5 can also be extruded and fixed in an annular clamping hole on the inner wall of the fixing hole 7 under the action of the elastic sponge ring 12, inside 7 with the insertion fixed orifices that guarantee that spliced pole 4 can be firm, at this moment low noise amplifier body 1 is with regard to convenient fixing at the top of mounting panel 2, when needs are dismantled low noise amplifier body 1 from the top of mounting panel 2, operating personnel only need use certain dynamics to upwards promote fly leaf 3 and make spliced pole 4 break away from the inside of fixed orifices 7 and can accomplish the process of dismantling, it is more convenient when making operating personnel maintain its test to accomplish a series of works.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a low noise amplifier major structure, includes low noise amplifier body (1), the bottom demountable installation of low noise amplifier body (1) has mounting panel (2), the top of mounting panel (2) is equipped with the gomphosis groove identical with low noise amplifier body (1) bottom structure, its characterized in that: the both sides of low noise amplifier body (1) all are equipped with fly leaf (3), the both sides of fly leaf (3) bottom all are fixed with spliced pole (4), the gomphosis groove at mounting panel (2) top all is equipped with fixed orifices (7) identical with spliced pole (4) structure all around, just notch (8) have all been seted up at both ends around low noise amplifier body (1) both sides, the inside of notch (8) is fixed with slide bar (9), the outside slip cover of slide bar (9) is equipped with movable sleeve (11), the outside of movable sleeve (11) all with the inboard fixed connection of fly leaf (3), and the outside cover of slide bar (9) is equipped with spring (10), the upper and lower both ends of spring (10) are connected with the top inner wall of notch (8) and the top of movable sleeve (11) respectively.

2. A low noise amplifier body structure according to claim 1, wherein: the outside of spliced pole (4) bottom is encircleed and is fixed with a plurality of block rubber (6), just it is equipped with the identical draw-in groove of a plurality of and block rubber (6) structure to encircle on the inner wall of fixed orifices (7).

3. A low noise amplifier body structure according to claim 1, wherein: the outer portion of the top end of the connecting column (4) is further provided with a reinforcing ring (5), an annular clamping hole matched with the structure of the reinforcing ring (5) is formed in the inner wall of the fixing hole (7), and an elastic sponge ring (12) is arranged between the inner wall of the reinforcing ring (5) and the outer wall of the connecting column (4).

4. A low noise amplifier body structure according to claim 1, wherein: the inner wall of the movable sleeve (11) is fixedly attached with a damping ring (13), and the thickness of the damping ring (13) is 0.1-0.3 cm.

5. A low noise amplifier body structure according to claim 1, wherein: the movable plate (3) is of a strip structure, and the movable plate (3) is symmetrically distributed on two sides of the low noise amplifier body (1).

6. A low noise amplifier body structure according to claim 1, wherein: an opening is formed in the bottom of the middle of the movable plate (3), and the inner wall of the opening in the bottom of the movable plate (3) is of a circular arc-shaped structure.