CN219455375U - Multiple output high-precision pressure sensor - Google Patents

Abstract

The utility model discloses a multi-output high-precision pressure sensor, which relates to the field of pressure sensors and comprises: the sensor, sensor bottom threaded connection has the casing, the inside end of a thread that is provided with of casing, shells inner wall fixedly connected with auxiliary ring, the storage tank has been seted up to auxiliary ring internal surface, the inside groove has been seted up to storage tank inner wall left side, auxiliary ring top is provided with the dead lever, dead lever bottom and shells inner wall fixed connection. According to the utility model, the clamping rod is arranged, when the thread end is pulled, the clamping rod moves downwards to clamp the thread end, the other end of the clamping rod moves upwards, and the stop block limits the clamping rod, so that the thread end is pulled more strongly to clamp the thread end more tightly, and meanwhile, the contact surface of the clamping rod and the thread end is arc-shaped, so that the outer surface of the thread end can be protected from being damaged, the sensor work is prevented from being influenced by pulling and dropping of the thread end, and the service life of the thread end is prolonged.

Description

Multiple output high-precision pressure sensor

Technical Field

The utility model relates to the field of pressure sensors, in particular to a high-precision pressure sensor with multiple outputs.

Background

The pressure sensor is an important part for collecting pressure signals of a control system, and the working principle of the pressure sensor is that the pressure signals of a measured fluid are converted into non-standard electric signals, then the non-standard electric signals are converted into standard electric signals through a processing method, and the processed standard electric signals are used as input signals of the pressure control system and are processed through the control system to realize automatic control.

At present, the existing pressure sensor does not effectively protect the wire head, so that the wire head is easy to damage when being pulled and the like, thereby influencing the work of the sensor, and therefore, a plurality of output high-precision pressure sensors are provided.

Disclosure of Invention

In order to solve the above technical problems, the present utility model provides a multiple output high precision pressure sensor, comprising: the sensor, sensor bottom threaded connection has the casing, the inside wire head that is provided with of casing, shells inner wall fixedly connected with auxiliary ring, the storage tank has been seted up to auxiliary ring internal surface, the inside groove has been seted up to storage tank inner wall left side, the auxiliary ring top is provided with the dead lever, dead lever bottom and shells inner wall fixed connection, the inside buffer block that is provided with of storage tank, buffer block left side fixedly connected with slide bar, the spring has been cup jointed to the slide bar outside, dead lever one end fixedly connected with connecting rod, the connecting rod other end rotates and is connected with the clamp lever, the connecting rod below is provided with the shell fragment, connecting rod top fixedly connected with pin, pin one end fixedly connected with dog, the connecting rod left and right sides is provided with the stopper.

Further, the buffer block is in sliding connection with the storage groove, the sliding rod is in sliding connection with the inner groove, and the buffer block is arranged to protect the thread end at the opening of the shell.

Further, spring one end and buffer block left side fixed connection, the spring other end and accomodate groove inner wall left side fixed connection, be convenient for reset the buffer block through setting up the spring.

Further, the clamp lever surface contacts with the end of a thread surface, clamp lever center department is provided with the bull stick, stopper fixed connection is in bull stick effect both sides, guarantees through setting up the stopper that the clamp lever can not drop.

Further, one end of the elastic piece is fixedly connected with the bottom of the clamping rod, the other end of the elastic piece is fixedly connected with the bottom of the fixing rod, and the elastic piece is arranged to play a resetting role on the clamping rod.

The utility model has the beneficial effects that:

according to the utility model, the clamping rod is arranged, when the thread end is pulled, the clamping rod moves downwards to clamp the thread end, the other end of the clamping rod moves upwards, and the stop block limits the clamping rod, so that the thread end is pulled more strongly to clamp the thread end more tightly, and meanwhile, the contact surface of the clamping rod and the thread end is arc-shaped, so that the outer surface of the thread end can be protected from being damaged, the sensor work is prevented from being influenced by pulling and dropping of the thread end, and the service life of the thread end is prolonged.

According to the utility model, the auxiliary ring is arranged, when the thread ends are deflected to be pulled, the buffer block can be extruded into the storage groove, so that the received force can be buffered, meanwhile, the outer surface of the buffer block is arc-shaped, the outer surface of the thread ends can be effectively protected from being damaged, the buffer block is convenient to reset under the action of elasticity of the spring, the thread ends at the opening at the bottom of the shell are protected, and meanwhile, the thread ends are prevented from being scratched when being deflected to be pulled.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the housing of the present utility model;

FIG. 3 is a schematic view of the front cross-sectional structure of the auxiliary ring of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

1. A sensor; 2. a housing; 21. an auxiliary ring; 22. a storage groove; 221. a buffer block; 222. a slide bar; 223. a spring; 23. an inner tank; 24. a fixed rod; 241. a connecting rod; 242. a clamping rod; 243. a spring plate; 244. a stop lever; 245. a stop block; 246. a limiting block; 3. and (5) wire ends.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1-4, the present utility model is a multi-output high-precision pressure sensor, comprising: the sensor 1, the sensor 1 bottom threaded connection has casing 2, casing 2 is inside to be provided with the end of a thread 3, casing 2 inner wall fixedly connected with auxiliary ring 21, when the end of a thread 3 is being received the deflection and is pulled through setting up auxiliary ring 21, then buffer block 221 can be pushed to accomodate inslot 22, can cushion the power that receives, buffer block 221 surface is the arc setting simultaneously and can effectually protect end of a thread 3 surface not receive the damage, be convenient for buffer block 221 resets under the elastic effect of spring 223, be used for protecting the end of a thread 3 of casing 2 bottom opening part, avoid end of a thread 3 to scratch when the deflection is pulled simultaneously, accomodate inslot 22 has been seted up to auxiliary ring 21 internal surface, accomodate inslot 23 has been seted up to inslot wall left side, auxiliary ring 21 top is provided with dead lever 24, dead lever 24 bottom and casing 2 inner wall fixed connection, accomodate inslot 22 inside is provided with buffer block 221, the left side of the buffer block 221 is fixedly connected with a slide bar 222, a spring 223 is sleeved outside the slide bar 222, one end of a fixed rod 24 is fixedly connected with a connecting rod 241, the other end of the connecting rod 241 is rotationally connected with a clamping rod 242, the clamping rod 242 is arranged to clamp the thread end 3 when the thread end 3 is pulled and the like, the clamping rod 242 moves downwards, the other end of the clamping rod 242 moves upwards, a stop block 245 can limit the clamping rod 242, so that the thread end 3 is pulled more tightly than the clamping rod 242 clamps the thread end 3, meanwhile, the contact surface of the clamping rod 242 and the thread end is arc-shaped, the outer surface of the thread end 3 is protected from being damaged, the sensor 1 is prevented from being influenced by pulling and dropping of the thread end 3, the service life of the thread end 3 is prolonged, an elastic sheet 243 is arranged below the connecting rod 241, the top of the connecting rod 241 is fixedly connected with a stop rod 244, one end of the stop rod 244 is fixedly connected with the stop block 245, limiting blocks 246 are arranged on the left side and the right side of the connecting rod 241.

The buffer block 221 is slidably connected to the storage groove 22, and the slide bar 222 is slidably connected to the inner groove 23.

One end of the spring 223 is fixedly connected with the left side of the buffer block 221, and the other end of the spring 223 is fixedly connected with the left side of the inner wall of the accommodating groove 22.

The outer surface of the clamping rod 242 contacts with the outer surface of the thread end 3, a rotating rod is arranged in the center of the clamping rod 242, and limiting blocks 246 are fixedly connected to two sides of the rotating rod.

One end of the elastic sheet 243 is fixedly connected with the bottom of the clamping rod 242, and the other end of the elastic sheet 243 is fixedly connected with the bottom of the fixed rod 24.

One specific application of this embodiment is:

when the thread end 3 is pulled, the thread end 3 can be driven to move downwards to clamp the thread end 3 when moving downwards again, the other end of the clamping rod 242 can move upwards, the elastic sheet 243 is extruded, the follow-up driving of the clamping rod 242 is convenient to reset, the stop block 245 can limit the clamping rod 242, the thread end 3 is pulled more and more tightly, the clamping rod 242 clamps the thread end 3 more tightly, the contact surface of the clamping rod 242 and the thread end is arc-shaped, the outer surface of the thread end 3 can be protected from being damaged, the thread end 3 is prevented from being pulled to drop to affect the operation of the sensor 1, the auxiliary ring 21 is arranged at the bottom, when the thread end 3 is biased to be pulled, the buffer block 221 can be extruded into the accommodating groove 22, the sliding rod 222 moves in the inner groove 23, the spring 223 is extruded, the stressed force can be buffered, the outer surface of the buffer block 221 can be effectively protected from being damaged by the arc-shaped arrangement, the buffer block 221 can be conveniently reset under the action of the elasticity of the spring 223, the thread end 3 at the bottom opening of the shell 2 can be protected, and the thread end 3 is prevented from being scratched when the thread end 3 is biased to be prevented from being pulled.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (6)

1. A multiple output high precision pressure sensor, comprising: sensor (1), sensor (1) bottom threaded connection has casing (2), casing (2) inside is provided with end of a thread (3), casing (2) inner wall fixedly connected with auxiliary ring (21), auxiliary ring (21) internal surface has been seted up and has been accomodate groove (22), accomodate groove (22) inner wall left side and seted up inside groove (23), auxiliary ring (21) top is provided with dead lever (24), accomodate groove (22) inside buffer block (221) that is provided with, buffer block (221) left side fixedly connected with slide bar (222), spring (223) have been cup jointed to slide bar (222) outside, dead lever (24) one end fixedly connected with connecting rod (241), connecting rod (241) other end rotation is connected with clamp lever (242), connecting rod (241) below is provided with shell fragment (243), connecting rod (241) top fixedly connected with pin (244), pin (244) one end fixedly connected with dog (245), connecting rod (241) left and right sides are provided with stopper (246).

2. The multiple output high precision pressure sensor according to claim 1, wherein: the bottom of the fixing rod (24) is fixedly connected with the inner wall of the shell (2).

3. The multiple output high precision pressure sensor according to claim 2, wherein: the buffer block (221) is in sliding connection with the storage groove (22), and the slide rod (222) is in sliding connection with the inner groove (23).

4. A multiple output high precision pressure sensor according to claim 3, characterized in that: one end of the spring (223) is fixedly connected with the left side of the buffer block (221), and the other end of the spring (223) is fixedly connected with the left side of the inner wall of the storage groove (22).

5. The multiple output high-precision pressure sensor of claim 4, wherein: the outer surface of the clamping rod (242) is in contact with the outer surface of the thread end (3), a rotating rod is arranged in the center of the clamping rod (242), and limiting blocks (246) are fixedly connected to two sides of the rotating rod.

6. The multiple output high precision pressure sensor according to claim 1, wherein: one end of the elastic sheet (243) is fixedly connected with the bottom of the clamping rod (242), and the other end of the elastic sheet (243) is fixedly connected with the bottom of the fixing rod (24).