Operational amplifier with replaceable pins

Abstract

The utility model relates to the technical field of operational amplifiers, and discloses an operational amplifier with replaceable pins, which comprises an amplifier lower seat and an amplifier upper box, and the amplifier upper box is positioned above the amplifier lower seat. After the amplifier upper box is disassembled, a damaged pin body is disassembled and replaced with a new pin body, the pin body is embedded in an installation groove, at the moment, a circular groove in the pin body is connected to the surface of a limiting protruding head in a sleeving mode, a groove is connected with a limiting column in a clamped mode, and the use condition of shaking in the use process is avoided; the position of the pin body is preliminarily fixed in the mounting groove, after the amplifier upper box is mounted, the edge strip is embedded in the edge groove, the convex block is embedded in the mounting groove, the pin body is tightly pressed in the mounting groove, and meanwhile, due to the fact that the circular groove is connected to the surface of the limiting convex head in a sleeving mode, the limiting convex head is tightly pressed. Therefore, the pin body is prevented from being pulled away from the interior of the mounting groove after the upper box of the amplifier is mounted.

Description

Technical Field

[0001] The utility model relates to the technical field of operational amplifiers, in particular to an operational amplifier with replaceable pins. Background Art

[0002] In recent years, there are more and more types of electronic products, and people have higher and higher requirements for their performance, especially semiconductor integrated circuit products. This requires us to study the internal circuit structure and device materials of such products, and operational amplifier circuits are the top priority of our circuit research. An amplifier is a device that increases the amplitude or power of a signal. It is an important component for processing signals in automation technology tools. The amplification effect of the amplifier is achieved by controlling the energy with the input signal, and the power consumption required for amplification is provided by the energy.

[0003] In the prior art, the inventors found that there are at least the following problems in the technology:

[0004] (1) In existing operational amplifiers, the pins and the amplifier body are integrated. When one of the pins is broken, the entire device needs to be replaced, which causes a huge waste of cost.

[0005] (2) When the existing device is damaged, it is very inconvenient to disassemble it and perform maintenance. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides an operational amplifier with replaceable pins, which has the advantages that the pins can be replaced when the pins are broken and the device can be easily disassembled and repaired, thus solving the problems raised in the background technology.

[0007] The utility model provides the following technical solution: an operational amplifier with replaceable pins, comprising an amplifier lower seat and an amplifier upper box, wherein the amplifier upper box is located above the amplifier lower seat, side edges of the amplifier lower seat are provided with side grooves, the groove bottoms of the side grooves are provided with a plurality of mounting grooves, the interiors of the mounting grooves are clamped with pin bodies, side edges of the lower surface of the amplifier upper box are fixedly connected with side strips, the side strips match the model and specifications of the side grooves, the bottom ends of the side strips are fixedly connected with a plurality of protrusions, the protrusions match the model and specifications of the mounting grooves, and the bottom ends of the protrusions abut against the upper surface of the pin body.

[0008] Preferably, a limiting convex head is fixedly connected to the bottom of the mounting groove, a circular groove is provided on the surface of the pin body, and the circular groove is sleeved on the surface of the limiting convex head.

[0009] Preferably, a plurality of limiting columns are fixedly connected to the inner bottom of the amplifier lower seat, and a groove is formed at one end of the pin body, and the groove matches the model and specification of the limiting column.

[0010] Preferably, the inner wall of the edge strip is fixedly connected with a metal sleeve plate, a touch rod is slidably inserted into the surface of the metal sleeve plate, a spring is movably sleeved on the surface of the touch rod, the top end of the spring is fixedly connected to the top end of the touch rod, the bottom end of the spring is fixedly connected to the upper surface of the metal sleeve plate, and a touch groove is provided on the surface of the pin body, and the touch groove corresponds to the position of the touch rod.

[0011] Preferably, both sides of the lower surface of the amplifier upper box are fixedly connected with card boards, and both sides of the upper surface of the amplifier lower seat are provided with card slots, and the card slots are consistent with the model and specifications of the card boards.

[0012] Preferably, both ends of the lower seat of the amplifier are movably connected with card blocks, the model specifications of the card blocks are consistent with those of the card plate, bolts are slidably inserted on both sides of one end of the card block, and both ends of the lower seat of the amplifier are fixedly connected with mounting columns, and the bolts are threadedly connected to one end of the mounting columns.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. After disassembling the amplifier upper box, disassemble the damaged pin body and replace it with a new pin body, and embed the pin body into the inside of the installation groove. At this time, the circular groove on the pin body is sleeved on the surface of the limiting convex head, and the groove is clamped with the limiting column to avoid shaking during use. The position of the pin body is initially fixed inside the installation groove. After installing the amplifier upper box, the side strip will be embedded in the side groove, and the convex block will be embedded in the inside of the installation groove, pressing the pin body tightly inside the installation groove. At the same time, because the circular groove is sleeved on the surface of the limiting convex head, it is ensured that the pin body is prevented from being withdrawn from the inside of the installation groove after the amplifier upper box is installed. After the amplifier upper box is installed, the tension of the spring is applied to the touch rod, driving the touch rod to move downward, so that the bottom end of the touch rod is always in contact with the inside of the touch groove, effectively avoiding the problem of poor contact between the pin body and the device body, ensuring the performance of the device. In this device, after the pin body is broken, it is not necessary to replace the entire shell, only the pin body needs to be replaced, saving costs.

[0015] 2. By providing an amplifier upper box, when disassembling and assembling the pin body, the amplifier upper box needs to be removed in advance. After removing the bolts first, the card block can be pulled out from the end of the amplifier lower seat, thereby releasing the card block and the card board from being stuck. When fixing the position of the amplifier upper box, the card board can be inserted into the inside of the card slot. At this time, the card block is inserted from the end of the amplifier lower seat into the inside of the card slot, so that the card block and the card board are stuck, and the bolts are tightened, so that the amplifier upper box can be quickly fixed and installed, which is convenient for rapid replacement of the pin body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model device;

[0017] Figure 2 This is a schematic diagram of the lower base structure of the amplifier of the utility model;

[0018] Figure 3 This is a schematic diagram of the pin body structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the upper box structure of the amplifier of the utility model.

[0020] In the figure: 1. Amplifier lower base; 2. Amplifier upper box; 3. Side groove; 4. Mounting groove; 5. Limiting protrusion; 6. Pin body; 7. Round groove; 8. Recess; 9. Contact groove; 10. Limiting column; 11. Side strip; 12. Protrusion; 13. Metal sleeve; 14. Contact rod; 15. Spring; 16. Card plate; 17. Card groove; 18. Card block; 19. Bolt; 20. Mounting column. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1-4 An operational amplifier with replaceable pins comprises an amplifier lower seat 1 and an amplifier upper box 2, the amplifier upper box 2 is located above the amplifier lower seat 1, side edges of the amplifier lower seat 1 are provided with side grooves 3, the bottom of the side grooves 3 are provided with a plurality of mounting grooves 4, a pin body 6 is clamped inside the mounting grooves 4, side edges of the lower surface of the amplifier upper box 2 are fixedly connected with side strips 11, the side strips 11 are consistent with the model and specifications of the side grooves 3, a plurality of protrusions 12 are fixedly connected to the bottom end of the side strips 11, the protrusions 12 are consistent with the model and specifications of the mounting grooves 4, and the bottom ends of the protrusions 12 abut against the upper surface of the pin body 6.

[0023] Among them, the bottom of the installation groove 4 is fixedly connected to the limiting protrusion 5, and the surface of the pin body 6 is provided with a circular groove 7, and the circular groove 7 is sleeved on the surface of the limiting protrusion 5. After the pin body 6 is embedded in the inside of the installation groove 4, the circular groove 7 on the pin body 6 can be sleeved on the surface of the limiting protrusion 5, thereby ensuring that the pin body 6 is prevented from being pulled out from the inside of the installation groove 4 after the amplifier upper box 2 is installed.

[0024] Among them, the inner bottom of the amplifier lower seat 1 is fixedly connected with several limit columns 10, and one end of the pin body 6 is provided with a groove 8, the groove 8 is consistent with the model specification of the limit column 10, and the groove 8 is clamped with the limit column 10 to avoid shaking during use.

[0025] Among them, the inner wall of the edge strip 11 is fixedly connected with a metal sleeve plate 13, and a touch rod 14 is slidably inserted on the surface of the metal sleeve plate 13. A spring 15 is movably sleeved on the surface of the touch rod 14. The top of the spring 15 is fixedly connected to the top of the touch rod 14, and the bottom of the spring 15 is fixedly connected to the upper surface of the metal sleeve plate 13. A touch groove 9 is opened on the surface of the pin body 6, and the touch groove 9 corresponds to the position of the touch rod 14. The tension of the spring 15 is applied to the touch rod 14, driving the touch rod 14 to move downward, so that the bottom end of the touch rod 14 always abuts against the inside of the touch groove 9, effectively avoiding the problem of poor contact between the pin body 6 and the main body of the device, and ensuring the performance of the device.

[0026] Among them, both sides of the lower surface of the amplifier upper box 2 are fixedly connected with a card plate 16, and both sides of the upper surface of the amplifier lower base 1 are provided with a card slot 17, and the card slot 17 is consistent with the model and specification of the card plate 16. Both ends of the amplifier lower base 1 are movably plugged with a card block 18, and the card block 18 is consistent with the model and specification of the card plate 16. Bolts 19 are slidably plugged on both sides of one end of the card block 18. Both ends of the amplifier lower base 1 are fixedly connected with a mounting column 20, and the bolt 19 is threadedly connected to one end of the mounting column 20. When fixing the position of the amplifier upper box 2, the card plate 16 can be plugged into the inside of the card slot 17. At this time, the card block 18 is plugged into the inside of the card slot 17 from the end of the amplifier lower base 1, so that the card block 18 is plugged with the card plate 16, and the bolt 19 is tightened, so that the amplifier upper box 2 can be quickly fixed and installed.

[0027] Working principle: when the device is in use, the damaged pin body 6 is disassembled and replaced with a new pin body 6, and the pin body 6 is embedded in the inside of the installation groove 4. At this time, the circular groove 7 on the pin body 6 is sleeved on the surface of the limiting convex head 5, and the groove 8 is clamped with the limiting column 10 to avoid shaking during use. The position of the pin body 6 is initially fixed inside the installation groove 4, and then the amplifier upper box 2 is installed. The side strip 11 will be embedded in the side groove 3, and the convex block 12 is embedded in the inside of the installation groove 4, pressing the pin body 6 tightly inside the installation groove 4. At the same time, because the circular groove 7 is sleeved on the surface of the limiting convex head 5, it is ensured that the pin body 6 is prevented from being withdrawn from the inside of the installation groove 4 after the amplifier upper box 2 is installed. After the amplifier upper box 2 is installed, the spring 1 The pulling force of 5 is applied to the touch rod 14, driving the touch rod 14 to move downward, so that the bottom end of the touch rod 14 always abuts against the inside of the touch groove 9, effectively avoiding the problem of poor contact between the pin body 6 and the device body, and ensuring the performance of the device. When disassembling and assembling the pin body 6, it is necessary to remove the amplifier upper box 2 in advance. After removing the bolt 19 first, the clamping block 18 can be pulled out from the end of the amplifier lower seat 1 at this time, so as to release the clamping state of the clamping block 18 and the clamping plate 16. When fixing the position of the amplifier upper box 2, the clamping plate 16 can be inserted into the inside of the clamping groove 17. At this time, the clamping block 18 is inserted from the end of the amplifier lower seat 1 into the inside of the clamping groove 17, so that the clamping block 18 is clamped with the clamping plate 16, and the bolt 19 is tightened, so that the amplifier upper box 2 can be quickly fixed and installed.

[0028] In the description, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, in the description of the present utility model, unless otherwise specified, "plurality" means two or more.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An operational amplifier with replaceable pins, characterized in that: The amplifier upper box (2) comprises an amplifier lower seat (1) and an amplifier upper box (2), wherein the amplifier upper box (2) is located above the amplifier lower seat (1), and both side edges of the amplifier lower seat (1) are provided with side grooves (3), and the groove bottom of the side grooves (3) is provided with a plurality of mounting grooves (4), and the interior of the mounting grooves (4) is clamped with a pin body (6), and both side edges of the lower surface of the amplifier upper box (2) are fixedly connected with side strips (11), and the side strips (11) are consistent with the model and specification of the side grooves (3), and the bottom end of the side strips (11) is fixedly connected with a plurality of protrusions (12), and the protrusions (12) are consistent with the model and specification of the mounting grooves (4), and the bottom end of the protrusions (12) abuts against the upper surface of the pin body (6).

2. The operational amplifier with replaceable pins according to claim 1, characterized in that: The bottom of the installation groove (4) is fixedly connected to a limiting convex head (5), and the surface of the pin body (6) is provided with a circular groove (7), and the circular groove (7) is sleeved on the surface of the limiting convex head (5).

3. The operational amplifier with replaceable pins according to claim 1, characterized in that: A plurality of limiting columns (10) are fixedly connected to the inner bottom of the amplifier lower seat (1), and a groove (8) is provided at one end of the pin body (6), wherein the groove (8) matches the model and specification of the limiting column (10).

4. The operational amplifier with replaceable pins according to claim 1, characterized in that: The inner wall of the edge strip (11) is fixedly connected to a metal sleeve plate (13), the surface of the metal sleeve plate (13) is slidably plugged with a contact rod (14), the surface of the contact rod (14) is movably sleeved with a spring (15), the top end of the spring (15) is fixedly connected to the top end of the contact rod (14), the bottom end of the spring (15) is fixedly connected to the upper surface of the metal sleeve plate (13), and the surface of the pin body (6) is provided with a contact groove (9), and the contact groove (9) corresponds to the position of the contact rod (14).

5. The operational amplifier with replaceable pins according to claim 1, characterized in that: Both sides of the lower surface of the amplifier upper box (2) are fixedly connected with a card plate (16), and both sides of the upper surface of the amplifier lower seat (1) are provided with a card slot (17), and the card slot (17) is consistent with the model and specification of the card plate (16).

6. The operational amplifier with replaceable pins according to claim 5, characterized in that: Both ends of the amplifier lower seat (1) are movably connected with a card block (18), the card block (18) matches the model and specification of the card plate (16), and bolts (19) are slidably connected on both sides of one end of the card block (18). Both ends of the amplifier lower seat (1) are fixedly connected with a mounting column (20), and the bolt (19) is threadedly connected to one end of the mounting column (20).

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