CN218783961U

CN218783961U - Low-voltage power supply unstable multivibrator

Info

Publication number: CN218783961U
Application number: CN202222717159.8U
Authority: CN
Inventors: 胡骁
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-03-31
Anticipated expiration: 2032-10-14

Abstract

The utility model belongs to the technical field of the oscillator, a unsteady-state multivibrator of low pressure power supply is disclosed, comprising a base plate, the upper end middle part fixedly connected with installation mechanism of bottom plate, installation mechanism's upper end mid-mounting fixedly connected with circuit board, the upper end middle part of circuit board is provided with the multivibrator body, the lower extreme left part and the lower extreme right part of circuit board all alternate fixedly connected with contact pin, and the lower extreme of two contact pins all runs through the upper end of installation mechanism and the upper end of bottom plate in proper order, the fixedly connected with sealing washer alternates jointly between the upper end periphery of bottom plate, the connecting hole has all been opened at the upper end left part of bottom plate, upper end right part, upper end front portion and upper end rear portion, four common fixedly connected with protection machanism between the connecting hole, and the protection machanism cover is in installation mechanism's top. An astable multivibrator of low pressure power supply, be convenient for install the dismantlement to multivibrator, and the protecting effect is good, is fit for using widely.

Description

Low-voltage power supply unstable multivibrator

Technical Field

The utility model relates to an oscillator technical field, in particular to astable multivibrator of low pressure power supply.

Background

The multivibrator is a self-excited oscillator capable of generating rectangular waves, utilizes deep positive feedback, and enables two electronic devices to be alternately switched on and off through resistance-capacitance coupling, so that square wave output is generated by self excitation, the multivibrator is usually used as a square wave generator, but an unstable multivibrator works in a periodic self-excited oscillation mode and can normally work under low-voltage power supply, and the multivibrator has the following defects in the using process of the existing multivibrator: 1. the existing multivibrator is very easy to break down after being used for a long time, and is inconvenient to disassemble, so that maintenance personnel are difficult to repair or replace parts; 2. when the existing multi-harmonic oscillator is used, impurities such as dust and the like easily enter the multi-harmonic oscillator, the protection effect on the multi-harmonic oscillator is poor, and the service life of the multi-harmonic oscillator is influenced, so that the unstable multi-harmonic oscillator powered by low voltage is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an astable multivibrator with low voltage power supply, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an astable multivibrator of low pressure power supply, includes the bottom plate, the upper end middle part fixedly connected with installation mechanism of bottom plate, the upper end middle part fixedly connected with circuit board of installation mechanism, the upper end middle part of circuit board is provided with the multivibrator body, the lower extreme left part and the lower extreme right part of circuit board all alternate the fixedly connected with contact pin, and the lower extreme of two contact pins all runs through the upper end of installation mechanism and the upper end of bottom plate in proper order, the fixedly connected with sealing washer alternates jointly between the upper end periphery of bottom plate, the upper end left part, the upper end right part, the upper end front portion and the upper end rear portion of bottom plate have all opened connecting hole, four common fixedly connected with protection machanism between the connecting hole, and the protection machanism cover is in the top of installation mechanism, the upper end four corners of bottom plate has all opened the mounting hole.

Preferably, installation mechanism includes the mount pad, fixedly connected with fixed establishment all alternates in the left end middle part, right-hand member middle part, front end middle part and the rear end middle part of mount pad, open at the upper end middle part of mount pad has the mounting groove, the lower cell wall left part and the lower cell wall right part of mounting groove all alternate fixedly connected with rubber sleeve, and the lower extreme of two rubber sleeves all alternates fixed connection with the upper end of bottom plate, the lower extreme of mount pad and the upper end fixed connection of bottom plate.

Preferably, the fixing mechanism comprises a fixing frame, the upper portion of the right frame wall of the fixing frame is inserted and movably connected with a screw rod, the left end of the screw rod is inserted and movably connected with a fixing block through a bearing, the right end of the screw rod is fixedly connected with a handle, and the left end of the fixing frame is inserted and fixedly connected with the right end of the mounting seat.

Preferably, the protection mechanism includes the protection casing, four connecting blocks of the surface lower part fixedly connected with of protection casing, four equal threaded connection in upper end middle part of connecting block has connecting bolt, and two connecting bolt respectively with four corresponding connecting hole fixed connection, it has the seal groove jointly to open between the lower extreme periphery of protection casing.

Preferably, the fixing frame is of an L-shaped structure, the lower end face of the fixing block is flush with the upper end face of the mounting seat, and the inner diameter lengths of the two rubber sleeves are consistent with the diameter lengths of the two contact pins.

Preferably, the upper cover wall of the protection cover is higher than the upper end face of the multivibrator body, the sealing groove is clamped with the sealing ring, and the sealing groove and the sealing ring are both arranged to be of an O-shaped structure.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the utility model, by arranging the mounting mechanism and the fixing mechanism, when the multivibrator breaks down due to long-time use, the fixed block is moved outwards by rotating the screw rod, the limit of the circuit board can be cancelled, and the multivibrator can be disassembled, thereby being convenient for quick disassembly and assembly of the multivibrator and being beneficial to repair or replace parts by maintainers;

2. the utility model discloses in, through setting up protection machanism, can cover multivibrator comprehensively through the protection casing, can play the guard action to multivibrator, strengthen the protecting effect, then it is sealed through the joint between seal groove and the sealing washer, can promote the inside sealed effect of protection casing to can avoid impurity such as dust to enter into multivibrator's inside, prolonged multivibrator's life.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a low-voltage powered astable multivibrator according to the present invention;

fig. 2 is a schematic view of the overall structure of the mounting mechanism of the astable multivibrator with low-voltage power supply according to the present invention;

fig. 3 is a schematic view of the overall structure of a fixing mechanism of the astable multivibrator with low-voltage power supply according to the present invention;

fig. 4 is a schematic view of the overall structure of the protection mechanism of the astable multivibrator with low voltage power supply of the present invention.

In the figure: 1. a base plate; 2. an installation mechanism; 3. a circuit board; 4. a multivibrator body; 5. inserting a pin; 6. a seal ring; 7. connecting holes; 8. a protection mechanism; 9. mounting holes; 21. a mounting base; 22. a fixing mechanism; 23. mounting grooves; 24. a rubber sleeve; 221. a fixed mount; 222. a screw; 223. a fixed block; 224. a handle; 81. a protective cover; 82. connecting blocks; 83. a sealing groove; 84. and connecting bolts.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Examples

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an astable multivibrator of low pressure power supply, comprising a base plate 1, the upper end middle part fixedly connected with installation mechanism 2 of bottom plate 1, installation mechanism 2's upper end middle part fixedly connected with circuit board 3, the upper end middle part of circuit board 3 is provided with multivibrator body 4, the lower extreme left part and the lower extreme right part of circuit board 3 all alternate fixedly connected with contact pin 5, and the lower extreme of two contact pins 5 all runs through installation mechanism 2's upper end and bottom plate 1's upper end in proper order, it has sealing washer 6 to alternate fixedly connected with jointly between bottom plate 1's the upper end periphery, the upper end left part of bottom plate 1, the upper end right part, connecting hole 7 has all been opened to the upper end front portion and upper end rear portion, common fixedly connected with protection machanism 8 between four connecting holes 7, and protection machanism 8 covers the top at installation mechanism 2, the upper end four corners of bottom plate 1 have all been opened mounting hole 9.

In the embodiment, the mounting mechanism 2 comprises a mounting seat 21, fixing mechanisms 22 are fixedly connected to the middle of the left end, the middle of the right end, the middle of the front end and the middle of the rear end of the mounting seat 21 in an inserting manner, a mounting groove 23 is formed in the middle of the upper end of the mounting seat 21, rubber sleeves 24 are fixedly connected to the left part of the lower groove wall and the right part of the lower groove wall of the mounting groove 23 in an inserting manner, the lower ends of the two rubber sleeves 24 are fixedly connected to the upper end of the bottom plate 1 in an inserting manner, and the lower end of the mounting seat 21 is fixedly connected to the upper end of the bottom plate 1; the fixing mechanism 22 comprises a fixing frame 221, the upper part of the right frame wall of the fixing frame 221 is inserted and movably connected with a screw 222, the left end of the screw 222 is inserted and movably connected with a fixing block 223 through a bearing, the right end of the screw 222 is fixedly connected with a handle 224, and the left end of the fixing frame 221 is inserted and fixedly connected with the right end of the mounting seat 21; the mount 221 sets up to L type structure, and the lower terminal surface of fixed block 223 flushes with the up end of mount pad 21, makes mount pad 21 play limiting displacement to fixed block 223, has improved the stability of fixed block 223, and the internal diameter length of two rubber sleeves 24 is unanimous with the diameter length of two contact pins 5, makes contact pin 5 can pass rubber sleeve 24 and stretch out from the below of bottom plate 1, also makes rubber sleeve 24 can play sealed effect.

In this embodiment, the protection mechanism 8 includes a protection cover 81, the lower part of the outer surface of the protection cover 81 is fixedly connected with four connection blocks 82, the middle parts of the upper ends of the four connection blocks 82 are all in threaded connection with connection bolts 84, and the two connection bolts 84 are respectively and fixedly connected with the corresponding four connection holes 7, and a sealing groove 83 is jointly formed between the peripheries of the lower end of the protection cover 81; the upper cover wall of protection casing 81 is higher than the up end of multivibrator body 4, makes each other contactless between protection casing 81 and the multivibrator body 4, does not influence the installation of protection casing 81 and fixes on bottom plate 1, and seal groove 83 and sealing washer 6 joint, and seal groove 83 and sealing washer 6 all set up to O type structure, are that sealing washer 6 can seal the junction of protection casing 81 and bottom plate 1, avoid.

It should be noted that, the utility model relates to an astable multivibrator of low pressure power supply, in the use of the astable multivibrator of carrying out the low pressure power supply, can cover multivibrator body 4 comprehensively through protection casing 81, play the guard action to multivibrator body 4, the protective effect has also been strengthened, then it is sealed with the joint between sealing washer 83 and the sealing washer 6, can strengthen the sealing performance of protection casing 81 and bottom plate 1 junction, also can promote the inside sealed effect of protection casing 81, thereby can avoid impurity such as dust to enter into the inside of multivibrator body 4, the effectual life who prolongs multivibrator body 4, after will be when multivibrator body 4 breaks down in long-time use, at first take out connecting bolt 84 from connecting block 82, can dismantle protection casing 81 from bottom plate 1, then rotate handle 224 and drive screw rod 222 and rotate, can remove fixed block 223 to the outside and cancel the spacing of circuit board 3, can together follow mount pad 21 with circuit board 3 and multivibrator body 4 and dismantle, thereby be convenient for carrying out the repair multivibrator the repair the multivibrator the parts fast, multivibrator the body 4 has also been favorable to maintenance personnel.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A low-voltage powered astable multivibrator comprising a base plate (1), characterized in that: upper end middle part fixedly connected with installation mechanism (2) of bottom plate (1), upper end mid-mounting fixedly connected with circuit board (3) of installation mechanism (2), the upper end middle part of circuit board (3) is provided with multivibrator body (4), fixedly connected with contact pin (5) all alternate in the lower extreme left part and the lower extreme right part of circuit board (3), and the lower extreme of two contact pins (5) all runs through the upper end of installation mechanism (2) and the upper end of bottom plate (1) in proper order, fixedly connected with sealing washer (6) alternate jointly between the upper end periphery of bottom plate (1), connecting hole (7), four have all been opened to upper end left part, upper end right part, upper end front portion and the upper end rear portion of bottom plate (1) common fixedly connected with protection machanism (8) between connecting hole (7), and protection machanism (8) cover in the top of installation mechanism (2), mounting hole (9) have all been opened in the upper end four corners of bottom plate (1).

2. A low voltage powered astable multivibrator as claimed in claim 1, characterized in that: installation mechanism (2) is including mount pad (21), fixedly connected with fixed establishment (22) all alternates in the left end middle part, right-hand member middle part, front end middle part and the rear end middle part of mount pad (21), open at the upper end middle part of mount pad (21) has mounting groove (23), fixedly connected with rubber sleeve (24) all alternates in the lower cell wall left part of mounting groove (23) and the lower cell wall right part, and the lower extreme of two rubber sleeves (24) all alternates fixed connection with the upper end of bottom plate (1), the lower extreme of mount pad (21) and the upper end fixed connection of bottom plate (1).

3. A low voltage powered astable multivibrator as claimed in claim 2, characterized in that: fixed establishment (22) are including mount (221), the right side wall upper portion interlude swing joint of mount (221) has screw rod (222), the left end of screw rod (222) has fixed block (223) through bearing interlude swing joint, the right-hand member fixedly connected with handle (224) of screw rod (222), the left end of mount (221) and the right-hand member of mount pad (21) interlude fixed connection.

4. A low voltage powered astable multivibrator as claimed in claim 1, characterized in that: protection machanism (8) are including protection casing (81), four connecting blocks (82) of the surface lower part fixedly connected with of protection casing (81), four the equal threaded connection in upper end middle part of connecting block (82) has connecting bolt (84), and two connecting bolt (84) respectively with four corresponding connecting hole (7) fixed connection, it has seal groove (83) to open jointly between the lower extreme periphery of protection casing (81).

5. A low voltage powered astable multivibrator according to claim 3, characterized in that: the fixing frame (221) is of an L-shaped structure, the lower end face of the fixing block (223) is flush with the upper end face of the mounting seat (21), and the length of the inner diameter of the two rubber sleeves (24) is consistent with the length of the diameter of the two contact pins (5).

6. A low voltage powered astable multivibrator according to claim 4, characterized in that: the upper cover wall of protection casing (81) is higher than the up end of multivibrator body (4), seal groove (83) and sealing washer (6) joint, and seal groove (83) and sealing washer (6) all set up to O type structure.