CN210497333U

CN210497333U - Elastic sheet contact type pressure transmitter

Info

Publication number: CN210497333U
Application number: CN201921417162.XU
Authority: CN
Inventors: 邹进强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-05-12
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a shell fragment contact pressure transmitter, including the casing, casing one side fixedly connected with connecting pipe, and the connecting pipe is kept away from one of casing and is served and be connected with the transport pipe, is equipped with the panel board in the casing, and the outer bolt in casing one side is connected with servo motor, and the casing is connected with the lead screw that is connected with the servo motor output shaft with the internal rotation of one side, and equal threaded connection has the nut on two lead screws. The utility model discloses set up in the casing and drive rotatory lead screw by servo motor, make the lead screw drive nut straight reciprocating motion, be connected with the extension board of sponge through sliding installation in the twice guide way, utilize spring elastic support sliding sleeve in the extension board, through round pin hub connection traction lever between nut and sliding sleeve, make the traction lever drive down at the nut and closely clean with the casing up end together with the sponge on the extension board, thereby steam to in the casing is cleaned, with the clear cleanness of guaranteeing the casing up end, thereby be convenient for the artifical reading of surveing.

Description

Elastic sheet contact type pressure transmitter

Technical Field

The utility model relates to a pressure transducer technical field especially relates to a shell fragment contact pressure transmitter.

Background

Pressure transmitter is a device that carries out pressure detection to liquid or gas and then conveys for other instruments, and pressure transmitter's kind is also diversified, and what we used most in life is shell fragment contact pressure transmitter, and shell fragment contact pressure transmitter simple structure and facilitate the use consequently is used widely by each trade, and although shell fragment contact pressure transmitter's kind is various, still has some weak points.

Under the conventional art, shell fragment contact pressure transmitter exposes more and installs and use outdoors, especially in the lower winter of temperature, because pressure transmitter exposes partial temperature lower, and its inside air receives the high temperature heat influence that electronic component work produced, when making hot-air and cold casing (transparent glass face or plastic surface) contact, because condensation produces the drop of water, these drops of water are attached to on the casing, lead to the casing surface fuzzy, make the measurement personnel can not observe the figure above the panel board well, thereby influence staff work efficiency and quality, there is certain inconvenience.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that pressure transmitter is difficult to clear up the artifical observation reading of influence to steam when low temperature uses among the prior art, and a shell fragment contact pressure transmitter who provides.

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

the utility model provides a shell fragment contact pressure transmitter, includes the casing, casing one side fixedly connected with connecting pipe, and the connecting pipe keeps away from one of casing and serve and be connected with the transport pipe, be equipped with the panel board in the casing, the outer bolt in casing one side is connected with servo motor, and the casing is connected with the lead screw that is connected with the servo motor output shaft with the same side internal rotation, and equal threaded connection has the nut on two lead screws, the guide way has been seted up to correspondence in the casing both sides, and the activity is equipped with the extension board between the two guide ways, extension board both sides lower extreme all sets up flutedly, and all fixes being equipped with the guide bar in the recess, the cover is equipped with spring and sliding sleeve on the guide bar respectively, and is connected with the traction.

Preferably, the connecting pipe and the conveying pipe are both tubular structures with two ends communicated with each other, and the two ends of the conveying pipe are both provided with interface ends.

Preferably, the two screw rods are of an integral structure, one ends, far away from the two screw rods, of the two screw rods are respectively sleeved in the two side walls of the shell, and the two screw rods of the support plate horizontally correspond to each other.

Preferably, the two ends of the support plate are welded with guide blocks, and the two guide blocks are respectively sleeved in the two guide grooves in a sliding manner.

Preferably, the fixed cover of spring one end is located guide bar one end, the sliding sleeve is located on the guide bar other end, and the sliding sleeve welds with the spring free end mutually.

Preferably, the two ends of each traction rod are respectively connected with the nut and the sliding sleeve in a rotating mode, the middle ends of the two traction rods are connected through pin shafts, and the sponge is in sliding abutting contact with the inner wall of the upper end of the shell.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model arranges a screw rod driven by a servo motor to rotate in the shell, connects a nut on the screw rod by screw thread, arranges a support plate in the shell movably, and arranges a sliding sleeve in the support plate movably; through the draw bar of connecting pin hub connection between nut and sliding sleeve for the extension board drives the sponge and reciprocates with the casing up end under the drive of draw bar and wipes, thereby ensures the clear clean and tidy of casing up end, so that the manual work observes the reading.

2. The utility model provides a stable limit for the horizontally moving support plate and the sponge by arranging guide grooves in the two sides of the shell and slidably sleeving the guide blocks connected with the two ends of the support plate in the two guide grooves; through set up the guide bar in the extension board to utilize spring elastic support sliding sleeve on the guide bar, make the sliding sleeve carry out steady slip under the elastic action of traction lever and spring, thereby ensure that the sponge on the extension board can carry out inseparable even steady wiping with the casing up end.

To sum up, the utility model discloses set up in the casing and drive rotatory lead screw by servo motor, make the lead screw drive nut straight reciprocating motion, through the extension board that sliding installation is connected with the sponge in the twice guide way, utilize spring elastic support sliding sleeve in the extension board, through round pin hub connection traction lever between nut and sliding sleeve, make the traction lever drive down at the nut and closely clean with the casing up end together with the sponge on the extension board, thereby clean the steam in the casing, in order to guarantee the clear cleanness of casing up end, thereby be convenient for the manual work and survey the reading.

Drawings

Fig. 1 is a schematic structural diagram of a spring contact pressure transmitter according to the present invention;

fig. 2 is an enlarged view of a portion a of the structure of the dome contact pressure transmitter of the present invention;

fig. 3 is an enlarged view of a part B structure of the spring plate contact pressure transmitter of the present invention.

In the figure: the device comprises a shell 1, a connecting pipe 2, a conveying pipe 3, an instrument panel 4, a servo motor 5, a lead screw 6, a nut 7, a guide groove 8, a support plate 9, a guide block 10, a groove 11, a guide rod 12, a spring 13, a sliding sleeve 14, a traction rod 15, sponge 16 and a connector end 17.

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.

Referring to fig. 1-3, a spring contact pressure transmitter comprises a housing 1, specifically referring to fig. 3 for description, a connecting pipe 2 is fixedly connected to one side of the housing 1, and a conveying pipe 3 is connected to one end of the connecting pipe 2 away from the housing 1, specifically referring to fig. 1 for description, the housing 1, the connecting pipe 2 and the conveying pipe 3 are integrally in an i-shaped structure, a dashboard 4 is arranged in the housing 1, a servo motor 5 is connected to a bolt on one side of the housing 1, the servo motor 5 can be a micro motor with a product model of MR-J2S-70A, a lead screw 6 connected with an output shaft of the servo motor 5 is rotatably connected to the same side of the housing 1, nuts 7 are respectively connected to the two lead screws 6, guide grooves 8 are correspondingly arranged in two sides of the housing 1, a support plate 9 is movably arranged between the two guide grooves 8, grooves 11 are respectively, and a guide rod 12 is fixedly arranged in each groove 11, a spring 13 and a sliding sleeve 14 are respectively sleeved on each guide rod 12, a traction rod 15 is respectively connected between each nut 7 and each sliding sleeve 14, and a sponge 16 is fixedly connected to the upper end of each support plate 9.

It should be noted that:

firstly, the upper end surface of the shell 1 is made of transparent material, toughened glass or plastic material, corresponding to the instrument panel 4, so as to facilitate the manual observation of the numerical value on the instrument panel 4;

secondly, the sponge 16 is slided and is offset with the glass surface or the plastic surface on the casing 1, and the sponge 16 not only can clean the casing 1, but also has the adsorption effect on water drops on the casing 1.

The connecting pipe 2 and the conveying pipe 3 are both tubular structures with two communicated ends, and the two ends of the conveying pipe 3 are both provided with a joint end 17.

Two lead screws 6 are of an integral structure, one ends, far away from each other, of the two lead screws 6 are respectively sleeved in two side walls of the shell 1, bearings can be arranged in two sides of the shell 1 to provide rotatable limiting supports for the lead screws 6, the two lead screws 6 of the supporting plate 9 horizontally correspond to each other, guide blocks 10 are welded at two ends of the supporting plate 9, and the two guide blocks 10 are respectively sleeved in the two guide grooves 8 in a sliding mode to maintain the moving stability of the supporting plate 9.

One end of a spring 13 is fixedly sleeved at one end of a guide rod 12, a sliding sleeve 14 is sleeved at the other end of the guide rod 12 in a sliding manner, the sliding sleeve 14 is welded with the free end of the spring 13, two ends of a traction rod 15 are respectively connected with a nut 7 and the sliding sleeve 14 in a rotating manner, the middle ends of the two traction rods 15 are connected through a pin shaft, and a sponge 16 is abutted to the inner wall of the upper end of the shell 1 in a sliding manner.

Under the elastic supporting action of the spring 13, the sliding sleeve 14 can slide on the guide rod 12 smoothly, so that the motion stability of the support plate 9 and the sponge 16 is improved, the sponge 16 can be in close contact with the upper end face of the shell 1, and the shell 1 can be cleaned.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

the connection between the pressure transmitter and an external pipeline is realized through the interface ends at the two ends of the transport pipe 3, so that the external pressure moves into the shell 1 through the transport pipe 3 and the connecting pipe 2, and in the process, the pressure of the shell 1 is displayed through the instrument panel.

Because the pressure transmitter is exposed for use, the temperature of the shell 1 of the pressure transmitter is lower, in the process, the electronic components of the shell 1 of the pressure transmitter continuously work, so that the temperature of the air in the shell 1 is continuously increased, and high-temperature hot gas is contacted with the low-temperature shell 1 and condensed into water drops and attached to the upper end face of the shell 1.

At this time, by turning on the servo motor 5, the output shaft of the servo motor 5 drives the two screw rods 6 to rotate, and the two nuts 7 move oppositely on the screw rods 6 and extrude the two traction rods 15.

The included angle of the middle ends of the two traction rods 15 is gradually reduced, meanwhile, the ends of the two traction rods 15 far away from the nut 7 are close to each other, the two sliding sleeves 14 are driven to slide on the guide rods 12 oppositely, and in the process, the two springs 13 are gradually extended to provide elastic support for the sliding sleeves 14.

In the process, the support plate 9 is driven by the two traction rods 15 to move horizontally, the two guide blocks 10 slide in the two guide grooves 8 to maintain the stability of the support plate 9, and the sponge 16 is driven by the support plate 9 to perform sliding friction with the upper end face of the shell 1 to wipe and absorb water drops attached to the upper end face of the shell 1.

After repeated operation for 3-5 times, the upper end surface of the shell 1, namely the transparent glass surface, is clear and clean, so that the instrument panel 4 can be observed and read manually.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A shell fragment contact pressure transmitter comprises a shell (1) and is characterized in that one side of the shell (1) is fixedly connected with a connecting pipe (2), one end, far away from the shell (1), of the connecting pipe (2) is connected with a conveying pipe (3), an instrument panel (4) is arranged in the shell (1), an outer bolt on one side of the shell (1) is connected with a servo motor (5), the shell (1) is rotatably connected with a lead screw (6) connected with an output shaft of the servo motor (5) in the same side, nuts (7) are in threaded connection with two lead screws (6), guide grooves (8) are correspondingly formed in two sides of the shell (1), a support plate (9) is movably arranged between the two guide grooves (8), grooves (11) are formed in the lower ends of two sides of the support plate (9), and guide rods (12) are fixedly arranged in the grooves (11), the guide rod (12) is sleeved with a spring (13) and a sliding sleeve (14) respectively, a traction rod (15) is connected between the two nuts (7) and the two sliding sleeves (14) respectively, and the upper end of the support plate (9) is fixedly connected with a sponge (16).

2. The spring contact pressure transmitter of claim 1, wherein the connecting pipe (2) and the transport pipe (3) are both tubular structures with two ends communicated with each other, and the two ends of the transport pipe (3) are both provided with interface ends (17).

3. The shrapnel contact pressure transmitter as claimed in claim 1, wherein the two lead screws (6) are of an integral structure, one ends of the two lead screws (6) far away from each other are respectively sleeved in two side walls of the shell (1), and the two lead screws (6) of the support plate (9) horizontally correspond to each other.

4. The spring contact pressure transmitter of claim 3, wherein the two ends of the support plate (9) are welded with the guide blocks (10), and the two guide blocks (10) are respectively slidably sleeved in the two guide grooves (8).

5. The shrapnel contact pressure transmitter as claimed in claim 1, wherein one end of the spring (13) is fixedly sleeved on one end of the guide rod (12), the sliding sleeve (14) is slidably sleeved on the other end of the guide rod (12), and the sliding sleeve (14) is welded with the free end of the spring (13).

6. The shrapnel contact pressure transmitter as claimed in claim 5, wherein two ends of the draw bar (15) are respectively connected with the nut (7) and the sliding sleeve (14) in a rotating way, the middle ends of the two draw bars (15) are connected with a pin shaft, and the sponge (16) is in sliding contact with the inner wall of the upper end of the shell (1).