CN216144831U

CN216144831U - High-stability accelerometer probe

Info

Publication number: CN216144831U
Application number: CN202121861654.5U
Authority: CN
Inventors: 姚茂涛
Original assignee: Chongqing Anichi Electronic Co ltd
Current assignee: Chongqing Anichi Electronic Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-03-29
Anticipated expiration: 2031-08-10

Abstract

The utility model relates to the technical field of accelerometer probes, in particular to a high-stability accelerometer probe, which comprises a probe body, wherein a shell is sleeved outside the probe body, first fixing components which are symmetrically distributed are arranged in the shell and at the middle position close to the bottom, second fixing components which are symmetrically distributed are arranged on the front side and the rear side of the first fixing components, the bottom of the shell and at the positions close to four corners are respectively and rotatably connected with a limiting plate, and the inner wall of the shell and the corresponding positions of the first fixing components and the second fixing components are respectively provided with a sliding groove and a convex groove. Thereby prolonging the service life of the probe body.

Description

High-stability accelerometer probe

Technical Field

The utility model relates to the technical field of accelerometer probes, in particular to a high-stability accelerometer probe.

Background

The accelerometer is an instrument for measuring the linear acceleration of a carrier, and consists of a detection mass, a support, a potentiometer, a spring, a damper and a shell, and works according to the principle of piezoelectric effect, and the accelerometer is required to have a certain measuring range, accuracy, sensitivity and the like.

After the existing accelerometer probe is fixed on a measuring object through a mounting assembly for a long time, the mounting assembly is easy to loosen, the position of the accelerometer probe is easy to deviate, the stability of an accelerometer is influenced, and further a measuring result is influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects, the utility model provides a high-stability accelerometer probe to solve the problem that the accelerometer probe is easy to deviate.

The technical scheme of the utility model is as follows:

the utility model provides a high stability type accelerometer probe, includes the probe body, the outside cover of probe body is equipped with the shell, the inside of shell and the intermediate position department that is close to the bottom are equipped with the first fixed subassembly of symmetric distribution, both sides are equipped with the fixed subassembly of second of symmetric distribution around the first fixed subassembly, the bottom of shell and the position that is close to four turnings all rotate and be connected with the limiting plate, the inner wall of shell and with first fixed subassembly with spout and convex groove have been seted up respectively to the corresponding position of the fixed subassembly of second.

As the preferred technical scheme, first fixed subassembly includes sliding connection at the inside first splint of spout, first splint with be equipped with the spring between the inner wall of spout.

As the preferred technical scheme, the first clamping plate is far away from one side of the probe body and is provided with a connecting rod corresponding to the center of the spring, and the connecting rod sequentially penetrates through the spring and the inner wall of the shell and is connected with a round block.

Preferably, a U-shaped block is slidably connected to the outer portion of the housing above the circular block through a cross block.

As the preferred technical scheme, the second fixing component comprises a second clamping plate, a rectangular block is arranged on one side, away from the first fixing component, of the second clamping plate, and the second clamping plate and the rectangular block are both connected inside the convex groove in a sliding mode.

As a preferred technical scheme, a telescopic rod is arranged between the inner wall of the convex groove and the second clamping plate.

As a preferable technical scheme, a screw rod is connected to the inner thread of the rectangular block, and two ends of the screw rod penetrate through the rectangular block and are rotatably connected with the inner wall of the convex groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. the probe body is fixed by clamping the first fixing component and the second fixing component, so that the probe body is fixed, the stability of the probe body is ensured, the measurement is convenient, in addition, the position of the bottom of the probe body is limited by the limiting block which is rotatably connected, the probe body is limited in the shell, the protection of the probe body is realized, and the service life of the probe body is prolonged.

2. According to the utility model, the connecting rod is pulled to drive the first clamping plate in sliding connection to move, and then the screw rod is rotated to drive the rectangular block in threaded connection with the connecting rod to move, so that the rectangular block moves and simultaneously drives the second clamping plate to move, thus the positions of the first clamping plate and the second clamping plate are convenient to adjust, the operation is simple, the probe body is convenient to mount and dismount, and the efficiency of replacing the probe body is improved.

Drawings

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

FIG. 2 is one of the cross-sectional views of the housing of the present invention;

FIG. 3 is a second cross-sectional view of the housing of the present invention;

FIG. 4 is a schematic structural view of a first fixing assembly according to the present invention;

FIG. 5 is a schematic structural view of a second fixing assembly according to the present invention;

FIG. 6 is a cross-sectional view of the telescoping pole of the present invention;

FIG. 7 is a schematic view of FIG. 2 taken at A in the present invention.

In the figure:

a probe body 1; a chute 21; a convex groove 22; a stopper plate 23;

a housing 2;

a cushion 3;

a first fixing member 4; a first clamping plate 41; a connecting rod 42; a circular block 421; a spring 43;

a second fixing member 5; a second splint 51; a rectangular block 52; a screw 53; a knob 531;

a telescopic rod 6; a fixing lever 61; a support bar 62; a connecting block 621; a circular ring 63;

a U-shaped block 7; a cross block 71.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1-7, the present invention provides a technical solution:

the utility model provides a high stability type accelerometer probe, includes probe body 1, and probe body 1's outside cover is equipped with shell 2, and probe body 1's junction passes shell 2's inner wall to outside, and shell 2's inner wall is equipped with shock pad 3, and shock pad 3 keeps away from one side of shell 2 and the outer wall of probe body 1 and closely laminates, utilizes the damping vibration attenuation effect that shock pad 3 self has to protect probe body 1. The inside of shell 2 is equipped with first fixed subassembly 4 and the fixed subassembly 5 of second, and all is equipped with two symmetrically, can carry out the centre gripping to probe body 1 and fix. First fixed subassembly 4 sets up in intermediate position department, and both sides all are equipped with the fixed subassembly 5 of second around the first fixed subassembly 4, and the bottom of shell 2 and the position that is close to four turnings all rotate and are connected with limiting plate 23, and spout 21 and convex groove 22 have been seted up respectively to the inner wall of shell 2 and with the corresponding position of the fixed subassembly 4 of first fixed subassembly and second 5.

Preferably, the first fixing assembly 4 includes a first clamping plate 41 slidably connected inside the sliding chute 21, a spring 43 is disposed between the first clamping plate 41 and the inner wall of the sliding chute 21, two ends of the spring 43 are respectively fixedly connected to the first clamping plate 41 and the inner wall of the sliding chute 21, a connecting rod 42 is disposed at a position corresponding to the center of the spring 43, where the first clamping plate 41 is far away from one side of the probe body 1, the connecting rod 42 sequentially penetrates through the spring 43 and the inner wall of the housing 2 and is connected to the inner wall of the housing 2, the outer diameter of the circular block 421 is greater than the outer diameter of the connecting rod 42, and the connecting rod 42 is slidably connected to the housing 2, so that the connecting rod 42 and the first clamping plate 41 can be driven to move when the circular block 421 is pulled.

The outside of shell 2 just is located the top department of circular block 421, has U-shaped piece 7 through cross piece 71 sliding connection, has seted up respectively on the shell 2 with cross piece 71 and U-shaped piece 7 sliding connection's removal groove and logical groove, the opening of U-shaped piece 7 is downward, and the internal diameter of U-shaped piece 7 is the same with the external diameter of connecting rod 42 to be convenient for restrict the position of circular block 421 through U-shaped piece 7.

Preferably, the second fixing assembly 5 includes a second clamping plate 51, a rectangular block 52 is disposed on a side of the second clamping plate 51 away from the first fixing assembly 4, and the second clamping plate 51 and the rectangular block 52 are slidably connected inside the convex groove 22. The inner wall of the convex groove 22 is connected with the second splint 51 through a telescopic rod 6, the telescopic rod 6 is composed of a fixed rod 61 and a supporting rod 62, and the supporting rod 62 is movably inserted in the fixed rod 61.

It is supplementary to need, the one end that bracing piece 62 is close to dead lever 61 is equipped with connecting block 621, the inside cylindrical groove of offering with connecting block 621 sliding connection along the axial of dead lever 61, bracing piece 62 outside and be located one side cover that connecting block 621 kept away from dead lever 61 are equipped with ring 63, and ring 63's outer wall and the tip inner wall fixed connection in cylindrical groove, ring 63's inner wall and bracing piece 62's outer wall closely laminate, be convenient for restrict connecting block 621's displacement through ring 63, avoid connecting block 621 at the in-process of the inside removal in cylindrical groove to separate with dead lever 61.

Preferably, the rectangular block 52 is rotatably connected with a screw 53, the screw 53 penetrates through the inner wall of the convex groove 22 and penetrates out of the housing 2, the screw 53 is in threaded connection with the inner wall of the housing 2 and is connected with a knob 531, so that the screw 53 is driven to rotate by manually rotating the knob 531.

Besides, the first clamping plate 41 and the second clamping plate 51 are provided with rubber layers on the sides close to the probe body 1, so that the friction force between the probe body 1 and the first clamping plate 41 is increased through the rubber layers, and the stability of fixing the probe body 1 is enhanced.

When the high-stability accelerometer probe is used, the circular block 421 is pulled towards the outside of the shell 2, so that the circular block 421 drives the connecting rod 42 and the first clamping plate 41 to move, the connecting rod 42 and the first clamping plate 41 extrude the spring 43 in the moving process, the spring 43 is deformed, then the cross-shaped block 71 moves downwards in the moving groove to drive the U-shaped block 7 to synchronously move downwards, so that the inner wall of the U-shaped block 7 is in contact with the outer wall of the connecting rod 42, then the pulling of the circular block 421 is released, the inner wall of the circular block 421 is in contact with the outer wall of the U-shaped block 7 by virtue of the resilience force of the spring 43, so that the position of the circular block 421 is fixed, at the moment, the first clamping plate 41 is positioned in the sliding groove 21 and has a gap with the inner wall of the shell 2, then the knob 531 is manually rotated, so that the knob 531 drives the screw 53 to synchronously rotate, then the rectangular block 52 in threaded connection with the screw 53 moves, the rectangular block 5 drives the second clamping plate 51 to move while moving, the second clamping plate 51 moves in the moving process, the supporting rod 62 and the connecting block 621 move in the fixing rod 61, so that the second clamping plate 51 is accommodated in the convex groove 22, then the limiting plate 23 is rotated, one end, away from the rotating point, of the limiting plate 23 rotates away from the bottom of the shell 2, the bottom of the shell 2 is communicated with the outside without obstruction, then the probe body 1 is placed in the shell 2, the limiting plate 23 is reset, so that the limitation of the bottom position of the probe body 1 is realized, then the U-shaped block 7 is removed from the outer wall of the connecting rod 42, the first clamping plate 41 is pushed to approach the outer wall of the probe body 1 by the resilience force of the spring 43, so that the probe body 1 is clamped and fixed, the knob 531 is rotated manually again, so that the knob 531 rotates reversely before and then the screw 53 is driven to rotate reversely, so that the rectangular block 52 drives the second clamping plate 51 to gradually approach to the outer wall of the probe body 1 and clamp the probe body 1, when the second clamping plate 51 approaches to the outer wall of the probe body 1, the supporting rod 62 and the connecting block 621 are pulled to move inside the fixing rod 61, so that the secondary fixation of the probe body 1 is realized, and the stability of the probe body 1 is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A high stability type accelerometer probe, includes probe body (1), its characterized in that: the outside cover of probe body (1) is equipped with shell (2), the inside of shell (2) is equipped with first fixed subassembly (4) and the fixed subassembly of second (5), the equal symmetry of first fixed subassembly (4) and the fixed subassembly of second (5) is equipped with two, can carry out the centre gripping to probe body (1) and fix, the bottom of shell (2) is rotated and is connected with limiting plate (23), shell (2) inner wall with first fixed subassembly (4) with spout (21) and convex groove (22) have been seted up respectively to the corresponding position of the fixed subassembly of second (5).

2. The high stability accelerometer probe of claim 1, wherein: the first fixing component (4) comprises a first clamping plate (41) connected with the sliding groove (21) in a sliding mode, and a spring (43) is arranged between the first clamping plate (41) and the inner wall of the sliding groove (21); first splint (41) are kept away from probe body (1) one side is equipped with connecting rod (42), connecting rod (42) pass in proper order spring (43) with the inner wall of shell (2) and be connected with circular block (421).

3. A high stability accelerometer probe according to claim 2, wherein: a U-shaped block (7) with a downward opening is arranged above the circular block (421), and the U-shaped block (7) is connected with the shell (2) in a sliding manner.

4. The high stability accelerometer probe of claim 1, wherein: the second fixing component (5) comprises a second clamping plate (51) and a rectangular block (52) which are connected, and the second clamping plate (51) and the rectangular block (52) are both connected inside the convex groove (22) in a sliding mode;

the inner wall of the convex groove (22) is connected with the second splint (51) through a telescopic rod (6).

5. The high stability accelerometer probe of claim 4, wherein: the rectangular block (52) is rotatably connected with a screw rod (53), and the screw rod (53) penetrates out of the shell (2) and is in threaded connection with the shell (2).