CN209910820U

CN209910820U - Double-output type vibration sensor with good protection performance

Info

Publication number: CN209910820U
Application number: CN201921003009.2U
Authority: CN
Inventors: 孙军; 林国栋; 陈帅
Original assignee: Yangzhou Xi Yuan Electronic Technology Co Ltd
Current assignee: Yangzhou Xi Yuan Electronic Technology Co Ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-01-07
Anticipated expiration: 2029-07-01

Abstract

The utility model relates to a sensor technical field just discloses a dual output formula vibration sensor that barrier propterty is good, including vibration sensor. This dual output formula vibration sensor that barrier propterty is good, make the threaded rod move down under the combined action of thread groove and adjust the position that promotes the piece through rotating the threaded rod, thereby change pressure spring's pressure intensity, make when machinery produces vibrations through the extrusion piece, the movable block, promote the piece, the vibration intensity of pressure spring and contact piece transmission changes, thereby form the protection to vibration sensor, prevent to lead to vibration sensor to take place to damage because vibrations are too big, and vibration sensor takes place vibrations after through giving the movable block with vibrations and make the movable block carry out the shock attenuation under main damping spring and vice damping spring's effect, the damage of vibrations to vibration sensor has been reduced, the device can very big reduction for traditional vibration sensor to vibration sensor's damage.

Description

Double-output type vibration sensor with good protection performance

Technical Field

The utility model relates to a sensor technical field specifically is a dual output formula vibration sensor that barrier propterty is good.

Background

The vibration sensor is one of the key parts in the test technology, and its function is mainly to receive mechanical quantity and convert it into electric quantity proportional to it, because it is also an electromechanical conversion device, so we sometimes also refer to it as transducer and vibration pickup, etc., the vibration sensor does not directly convert the original mechanical quantity to be measured into electric quantity, but uses the original mechanical quantity to be measured as the input quantity of the vibration sensor, then the mechanical receiving part receives it to form another mechanical quantity suitable for conversion, finally the electromechanical conversion part converts it into electric quantity, so the working performance of a sensor is determined by the working performance of the mechanical receiving part and the electromechanical conversion part.

The vibration sensor is an electrical element for detecting mechanical vibration, but the vibration sensor on the market is damaged due to overlarge mechanical vibration, and the damaged vibration sensor is replaced with a double-output vibration sensor with good protection performance to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a dual output formula vibration sensor that barrier propterty is good possesses advantages such as barrier propterty is good, has solved and has moved the sensor and can lead to the impaired problem of vibration sensor because of the vibration of machinery is too big when using.

(II) technical scheme

For the purpose that realizes above-mentioned barrier propterty is good, the utility model provides a following technical scheme: a double-output type vibration sensor with good protection performance comprises a vibration sensor, wherein an installation fixing block is sleeved outside the vibration sensor, two hollow cavities, four connecting holes and two pressure grooves are sequentially formed in the installation fixing block from outside to inside, two extrusion blocks are fixedly connected to one sides of the two hollow cavities opposite to each other, a pushing block is movably connected to the inside of each hollow cavity, two pressure springs which penetrate through the connecting holes are fixedly connected to the opposite sides of the pushing blocks on the left side and the right side, contact blocks which are in contact with the vibration sensor are fixedly connected to the opposite sides of the pressure springs on the left side and the right side, two installation cavities which are located above the hollow cavities are formed in the installation fixing block, two extrusion springs are fixedly connected to the left side and the right side of each extrusion spring in the installation cavity, and an installation block is fixedly connected to the opposite side of each extrusion spring, the left and right sides the thread groove has all been seted up to the relative one side of installation piece, the top of installation fixed block is pegged graft have with the thread groove phase-match and extend to well cavity inside threaded rod, the bottom fixedly connected with of threaded rod with extrude the piece with promote the movable block that the piece contacted, vibration sensor's outside has cup jointed the shock attenuation installation piece, and the shock attenuation chamber that quantity is two is seted up to the inside of shock attenuation installation piece, fixedly connected with guiding axle between the wall of shock attenuation chamber intracavity upper and lower both sides, the outside of guiding axle has cup jointed and has contacted just quantity for the movable block of two with vibration sensor, upper and lower both sides the equal fixedly connected with in one side of the back of the body of the movable block cup joints the outside main damping spring who just is connected with the shock attenuation chamber intracavity lateral wall of guiding axle, upper and lower.

Preferably, the number of the extrusion blocks is two, the two extrusion blocks are symmetrically distributed, and the opposite sides of the two extrusion blocks are arc-shaped surfaces.

Preferably, the pushing blocks are two in number and are symmetrically distributed, and the two pushing blocks are arc-shaped surfaces on the opposite sides.

Preferably, the number of the pressure springs is four, the four pressure springs are divided into two groups, one group of the two pressure springs are symmetrically distributed, and the four pressure springs and the four connecting holes are in one-to-one correspondence.

Preferably, the number of the mounting blocks is four, the four mounting blocks are divided into two groups, and one group of two mounting blocks can form a complete cylinder.

Preferably, the movable blocks are spherical blocks, and the two spherical blocks are symmetrically distributed.

(III) advantageous effects

Compared with the prior art, the utility model provides a dual output formula vibration sensor that barrier propterty is good possesses following beneficial effect:

this dual output formula vibration sensor that barrier propterty is good, make the threaded rod move down under the combined action of thread groove and adjust the position that promotes the piece through rotating the threaded rod, thereby change pressure spring's pressure intensity, make when machinery produces vibrations through the extrusion piece, connect the movable block, promote the piece, the vibration intensity of pressure spring and contact piece transmission changes, thereby form the protection to vibration sensor, prevent to lead to vibration sensor to take place to damage because vibrations are too big, and vibration sensor takes place vibrations after through transmitting vibrations for the movable block make the movable block carry out the shock attenuation under main damping spring and vice damping spring's effect, the damage of vibrations to vibration sensor has been reduced, the device can very big reduction for traditional vibration sensor to vibration sensor's damage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of a position a in the structure diagram 1 of the present invention.

In the figure: the vibration damping device comprises a vibration sensor 1, a mounting fixed block 2, a hollow cavity 3, a connecting hole 4, a pressure groove 5, a contact block 6, a pressure spring 7, a pushing block 8, an extruding block 9, a mounting cavity 10, an extruding spring 11, a mounting block 12, a threaded groove 13, a threaded rod 14, a connecting movable block 15, a damping mounting block 16, a damping cavity 17, a guide shaft 18, a movable block 19, a main damping spring 20 and an auxiliary damping spring 21.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-2, a dual-output vibration sensor with good protection performance comprises a vibration sensor 1, a mounting fixed block 2 is sleeved outside the vibration sensor 1, two hollow cavities 3, four connecting holes 4 and two pressure grooves 5 are sequentially arranged inside the mounting fixed block 2 from outside to inside, two extrusion blocks 9 are fixedly connected to the opposite sides of the cavities of the two hollow cavities 3, the number of the extrusion blocks 9 is two, the two extrusion blocks 9 are symmetrically distributed, the opposite sides of the two extrusion blocks 9 are arc-shaped surfaces, pushing blocks 8 are movably connected inside the hollow cavities 3, the number of the pushing blocks 8 is two, the two pushing blocks 8 are symmetrically distributed, the opposite sides of the two pushing blocks 8 are arc-shaped surfaces, two pressure springs 7 which penetrate through the connecting holes 4 are fixedly connected to the opposite sides of the left pushing block 8 and the right pushing block 8, the four pressure springs 7 are divided into two groups, one group of two pressure springs 7 are symmetrically distributed, the four pressure springs 7 are in one-to-one correspondence with the four connecting holes 4, the opposite sides of the left and right pressure springs 7 are fixedly connected with contact blocks 6 which are contacted with the vibration sensor 1, two mounting cavities 10 which are positioned above the hollow cavity 3 are arranged in the mounting and fixing blocks 2, two extrusion springs 11 which are fixedly connected with the opposite sides of the extrusion springs 11 are fixedly connected with the opposite sides of the left and right extrusion springs 11 in the mounting cavities 10, the four mounting blocks 12 are divided into two groups, one group of two mounting blocks 12 can form a complete cylinder, the opposite sides of the left and right mounting blocks 12 are respectively provided with a threaded groove 13, threaded rods 14 which are matched with the threaded grooves 13 and extend into the hollow cavity 3 are inserted into the tops of the mounting and fixing blocks 2, the bottom of the threaded rod 14 is fixedly connected with a connecting movable block 15 which is contacted with the extrusion block 9 and the pushing block 8, the connecting movable block 15 is a spherical block, the two spherical blocks 15 are symmetrically distributed, the outside of the vibration sensor 1 is sleeved with a shock absorption mounting block 16, the inside of the shock absorption mounting block 16 is provided with two shock absorption cavities 17, a guide shaft 18 is fixedly connected between the upper side wall and the lower side wall in the shock absorption cavity 17 cavity, the outside of the guide shaft 18 is sleeved with two movable blocks 19 which are contacted with the vibration sensor 1, the opposite sides of the upper movable block 19 and the lower movable block 19 are fixedly connected with a main shock absorption spring 20 which is sleeved on the outside of the guide shaft 18 and is connected with the inner side wall of the shock absorption cavity 17, an auxiliary shock absorption spring 21 which is sleeved on the outside of the guide shaft 18 is fixedly connected between the upper movable block 19 and the lower movable block 19, the threaded rod 14 moves downwards under the, thereby change pressure spring 7's pressure intensity, make when machinery produces vibrations through the extrusion piece 9, connect movable block 15, promote piece 8, pressure spring 7 and the vibrations intensity of contact piece 6 transmission change, thereby form the protection to vibration sensor 1, prevent to lead to vibration sensor 1 to take place to damage because vibrations are too big, and vibration sensor 1 takes place vibrations back through transmitting vibrations for movable block 19 and make movable block 19 carry out the shock attenuation under main damping spring 20 and vice damping spring 21's effect, the damage of vibrations to vibration sensor 1 has been reduced, the device can very big reduction for traditional vibration sensor 1 damage to vibration sensor 1.

In summary, according to the dual-output vibration sensor with good protection performance, the threaded rod 14 is moved downwards under the combined action of the threaded groove 13 by rotating the threaded rod 14 to adjust the position of the pushing block 8, so that the pressure intensity of the pressure spring 7 is changed, the vibration intensity transmitted through the squeezing block 9, the connecting movable block 15, the pushing block 8, the pressure spring 7 and the contact block 6 is changed when the machine generates vibration, so that the vibration sensor 1 is protected, the vibration sensor 1 is prevented from being damaged due to overlarge vibration, and after the vibration sensor 1 generates vibration, the vibration is transmitted to the movable block 19, so that the movable block 19 is damped under the action of the main damping spring 20 and the auxiliary damping spring 21, the damage of the vibration sensor 1 caused by the vibration is reduced, and compared with the conventional vibration sensor 1, the device can greatly reduce the damage to the vibration sensor 1, the problem of the dynamic sensor can lead to the vibration sensor impaired because of mechanical vibration too big when using is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a dual output formula vibration sensor that barrier propterty is good, includes vibration sensor (1), its characterized in that: the vibration sensor is characterized in that an installation fixing block (2) is sleeved outside the vibration sensor (1), two hollow cavities (3) in quantity, four connecting holes (4) in quantity and two pressure grooves (5) in quantity are sequentially arranged inside the installation fixing block (2) from outside to inside, one sides of the two opposite sides in the cavities (3) are fixedly connected with extrusion blocks (9), the inside of each hollow cavity (3) is movably connected with a pushing block (8), the opposite sides of the left pushing block and the right pushing block (8) are fixedly connected with two pressure springs (7) which penetrate through the connecting holes (4), the opposite sides of the pressure springs (7) on the left side and the right side are fixedly connected with contact blocks (6) which are in contact with the vibration sensor (1), two installation cavities (10) which are located above the hollow cavities (3) are arranged inside the installation fixing block (2), the vibration sensor is characterized in that two extrusion springs (11) are fixedly connected to the left side wall and the right side wall in the cavity of the installation cavity (10), the left side wall and the right side wall of the cavity are fixedly connected with two extrusion springs (11), the left side wall and the right side wall of the extrusion springs (11) are fixedly connected with installation blocks (12), the left side wall and the right side wall of the installation block (12) are respectively provided with a threaded groove (13), the top of each installation fixed block (2) is inserted with a threaded rod (14) which is matched with the threaded groove (13) and extends into the hollow cavity (3), the bottom of each threaded rod (14) is fixedly connected with a connecting movable block (15) which is contacted with the extrusion block (9) and the pushing block (8), the outer part of the vibration sensor (1) is sleeved with a damping installation block (16), the damping installation block (16) is arranged in the damping, the outside of guiding axle (18) is cup jointed and is contacted and quantity is movable block (19) two with vibration sensor (1), both sides from top to bottom equal fixedly connected with in one side that the activity block (19) back of the body cup joints main damping spring (20) outside guiding axle (18) and be connected with damping chamber (17) intracavity lateral wall, both sides from top to bottom fixedly connected with cup joints vice damping spring (21) outside guiding axle (18) between movable block (19).

2. The dual-output vibration sensor with good protection performance of claim 1, wherein: the number of the extrusion blocks (9) is two, the two extrusion blocks (9) are symmetrically distributed, and the opposite sides of the two extrusion blocks (9) are arc-shaped surfaces.

3. The dual-output vibration sensor with good protection performance of claim 1, wherein: the number of the pushing blocks (8) is two, the two pushing blocks (8) are symmetrically distributed, and the two pushing blocks (8) are arc-shaped surfaces on the opposite sides.

4. The dual-output vibration sensor with good protection performance of claim 1, wherein: the pressure springs (7) are four in number, the four pressure springs (7) are divided into two groups, one group of two pressure springs (7) are symmetrically distributed, and the four pressure springs (7) are in one-to-one correspondence with the four connecting holes (4).

5. The dual-output vibration sensor with good protection performance of claim 1, wherein: the number of the mounting blocks (12) is four, the four mounting blocks (12) are divided into two groups, and one group of two mounting blocks (12) can form a complete cylinder.

6. The dual-output vibration sensor with good protection performance of claim 1, wherein: the connecting movable blocks (15) are spherical blocks, and the two spherical blocks (15) are symmetrically distributed.