CN215677400U

CN215677400U - Pressure gauge core with high stability

Info

Publication number: CN215677400U
Application number: CN202122054736.5U
Authority: CN
Inventors: 戈维敏; 戈彬
Original assignee: Suzhou Weiming Precision Industry Co ltd
Current assignee: Suzhou Weiming Precision Industry Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-28
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a pressure gauge movement with high stability, which comprises a shell, wherein a bottom plate is arranged at the bottom of the inner wall of the shell, a spring is fixedly connected to the outer side of the bottom plate, one end, far away from the bottom plate, of the spring is fixedly connected with the inner wall of the shell, a storage groove is formed in the bottom of the inner wall of the shell, a drying agent is placed in the storage groove, a cover plate is installed at the top of the storage groove, a cutter is fixedly connected to the bottom of the spring, and one end, far away from the spring, of the cutter is located in the storage groove. According to the pressure gauge movement with high stability, due to the arrangement of the springs, when the pressure gauge is impacted by external force, the springs can play a role in buffering when the bottom plate deviates due to external vibration, and the three springs can uniformly disperse and bear the stress, so that the impact force between the shell and the bottom plate is prevented from being directly borne by a screw, and the screw is prevented from loosening due to long-term impact of the impact force.

Description

Pressure gauge core with high stability

Technical Field

The utility model relates to the technical field of pressure gauge movement, in particular to a pressure gauge movement with high stability.

Background

The pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates pressure higher than ambient pressure, the application is very common, the pressure gauge almost covers all the fields of industrial processes and scientific researches, particularly in the process of industrial process control and technical measurement, because the elastic sensitive element of the mechanical pressure gauge has the characteristics of high mechanical strength, convenient production and the like, the mechanical pressure gauge is more and more widely applied, a pressure gauge core is composed of a central gear, a sector gear, a balance spring, an indication value adjusting screw, a connecting rod and the like, the pressure gauge core is a main working object in the maintenance of the pressure gauge and is a source of faults and errors of the pressure gauge, and a maintenance worker can successfully complete the working task in the maintenance only by fully knowing about the pressure gauge core.

But there are some problems in a current manometer core that has high stability, at first, the manometer uses the back through a period of time, the influence of external force and manometer core during operation can be difficult to avoid measuring some great load pressure, all can lead to watchcase and core junction to appear becoming flexible, manometer when measuring will produce various errors, secondly, the manometer uses inside can get into steam for a long time, the junction appears being difficult to be corroded after becoming flexible, in view of this, we provide a manometer core that has high stability.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects and effectively solve the problems in the background technology.

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

the utility model provides a manometer core with high stability, includes the casing, the bottom of the inner wall of casing is provided with the bottom plate, the outside fixedly connected with spring of bottom plate, the one end of keeping away from the bottom plate of spring and the inner wall fixed connection of casing, the storage tank has been seted up to the bottom of the inner wall of casing, the drier has been placed to the inside of storage tank, the apron is installed at the top of storage tank, the bottom fixedly connected with cutter of spring, the one end of keeping away from the spring of cutter is located the storage tank.

As a further improvement of the utility model, a blade slideway and a through hole are formed in the cover plate, the blade slideway is rectangular, and a plurality of cutters are driven by springs to slide in the blade slideway.

As a further improvement of the utility model, the springs are provided with three springs, the angles of the springs are the same and are 120 degrees, the number of the storage grooves is three, and each storage groove is positioned right below the corresponding spring.

As a further improvement of the utility model, a connector is arranged on one side of the shell in a penetrating manner, a Bourdon tube is fixedly connected to one end of the connector, which is positioned in the shell, and a connecting rod is fixedly arranged on one end of the Bourdon tube, which is far away from the connector.

As a further improvement of the utility model, a rotating shaft is rotatably connected to the middle part of the upper surface of the bottom plate, a pointer is fixedly mounted at the top of the rotating shaft, a sector gear is fixedly connected to the outer side of the rotating shaft, a fixed rod is fixedly connected to one side of the sector gear, and one end of the fixed rod, which is far away from the sector gear, is rotatably connected to one end of the connecting rod, which is far away from the bourdon tube.

As a further improvement of the utility model, the shell and the bottom plate are connected with screws in a threaded manner, the bottom plate is fixed in the shell through the screws, and the top of the shell is fixedly provided with a glass plate.

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

1. a pressure gauge core with high stability, through the spring that sets up, when the pressure gauge receives the impact of external force, the spring can play the role of buffering when the bottom plate receives external vibration and appears deviating, and three springs can distribute the stress evenly and undertake, avoid the impact force between bottom plate and the body of the shell to be born directly by the screw, receive the collision of the impact force for a long time and can lead to the screw becoming loose, the spring plays the effects of shock attenuation buffering and auxiliary fixation, make the core use for a long time also can keep stable;

2. the utility model provides a manometer core with high stability, spring through the setting, a cover plate, cutter and drier can avoid the screw to be corroded, the manometer uses for a long time and has steam to pass through inside the glass board gets into the casing, drier in the storage tank can absorb steam through the through-hole, but the time is of a specified duration after the drier of top absorbs a certain amount of steam, drying effect can reduce, when the spring plays the cushioning effect, a plurality of cutter that can drive its bottom removes a segment distance along the blade slide, the cutter removes to carve the drier, spill the drier of below, make and keep the drying in the casing always, prevent that the screw from being by, avoid installing the bottom plate of corrosion core and go wrong, guarantee the stability of manometer when measuring.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

Fig. 1 is a schematic sectional view of the internal structure of a housing of a pressure gauge movement with high stability according to the present invention.

Fig. 2 is a schematic top view of a housing of a pressure gauge movement of the present invention having high stability.

Fig. 3 is a schematic sectional view of a part of the structure of a pressure gauge movement with high stability according to the present invention.

Fig. 4 is a schematic diagram of a cover plate structure of a pressure gauge movement with high stability according to the present invention.

Fig. 5 is a schematic top view of the overall structure of a pressure gauge movement with high stability according to the present invention.

In the figure: 1. a housing; 2. a connector; 3. a glass plate; 4. a base plate; 5. a screw; 6. a spring; 7. a cover plate; 8. a storage tank; 9. a desiccant; 10. a cutter; 11. a blade slide; 12. a through hole; 13. a bourdon tube; 14. a rotating shaft; 15. a sector gear; 16. a pointer; 17. a connecting rod; 18. and (5) fixing the rod.

Detailed Description

The present invention will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are not intended to be limiting, wherein certain elements may be omitted, enlarged or reduced in size, and are not intended to represent the actual dimensions of the product, so as to better illustrate the detailed description of the utility model.

In order to make the technical means, the original characteristics, the achieved objects and the functions of the present invention easy to understand, in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, and thus not be understood as limiting the present invention, and furthermore, the terms "first", "second" and "third" are only used for descriptive purposes and not to indicate or imply relative importance, and the present invention is further explained below with reference to the specific embodiments.

Example 1

As shown in fig. 1-5, a pressure gauge movement with high stability, including casing 1, the bottom of the inner wall of casing 1 is provided with bottom plate 4, the outside fixedly connected with spring 6 of bottom plate 4, the one end of spring 6 of keeping away from bottom plate 4 and the inner wall fixed connection of casing 1, storage tank 8 has been seted up to the bottom of the inner wall of casing 1, drier 9 has been placed to the inside of storage tank 8, apron 7 is installed at the top of storage tank 8, the bottom fixedly connected with cutter 10 of spring 6, the one end of cutter 10 of keeping away from spring 6 is located storage tank 8.

In the present embodiment, the springs 6 are provided in three and all have the same angle of 120 ° with each other, and the number of the storage slots 8 is three, and each storage slot 8 is located right below the corresponding spring 6.

In the embodiment, a connecting head 2 is installed through one side of the housing 1, a bourdon tube 13 is fixedly connected to one end of the connecting head 2 located inside the housing 1, and a connecting rod 17 is fixedly installed on one end of the bourdon tube 13 far away from the connecting head 2.

In this embodiment, a rotating shaft 14 is rotatably connected to the middle of the upper surface of the bottom plate 4, a pointer 16 is fixedly mounted on the top of the rotating shaft 14, a sector gear 15 is fixedly connected to the outer side of the rotating shaft 14, a fixing rod 18 is fixedly connected to one side of the sector gear 15, and one end of the fixing rod 18, which is far away from the sector gear 15, is rotatably connected to one end of a connecting rod 17, which is far away from the bourdon tube 13.

In the present embodiment, a screw 5 is screwed into the housing 1 and the bottom plate 4, the bottom plate 4 is fixed inside the housing 1 by the screw 5, and the glass plate 3 is fixedly mounted on the top of the housing 1.

The embodiment can realize that: through the spring 6 that sets up, receive the impact of external force when the manometer, spring 6 can play the effect of buffering when bottom plate 4 receives external vibration and the skew appears, and three spring 6 can undertake atress homodisperse, avoid the impact force between casing 1 and the bottom plate 4 directly to be born by screw 5, the collision that receives the impact force for a long time can lead to screw 5 to become loose, spring 6 plays the effect of shock attenuation buffering and supplementary fixed, make the core use also can remain stable for a long time.

Example 2

In this embodiment, blade slide 11 and through-hole 12 have been seted up to apron 7's inside, and blade slide 11 is the rectangle, and a plurality of cutter 10 all slides in blade slide 11 through the drive of spring 6, because the distance of spring 6 shrink when the buffering is less, through setting up a plurality of cutters 10, every cutter 10 removes a segment distance, also can open the drier 9 of below and spill, helps absorbing steam.

The embodiment can realize that: spring 6 through setting up, apron 7, cutter 10 and drier 9 can avoid screw 5 by the corrosion, the manometer uses for a long time and has steam to get into 1 inside casing through glass board 3, drier 9 in the storage tank 8 can absorb steam through-hole 12, but the time is of a specified amount of steam after drier 9 of top has absorbed, drying effect can reduce, when spring 6 plays cushioning effect, a plurality of cutter 10 that can drive its bottom removes a segment distance along blade slide 11, cutter 10 removes and scribes drier 9, leak the drier 9 of below, make and keep dry in the casing 1 always, prevent screw 5 by the corrosion, avoid installing bottom plate 4 problems of appearance of core, ensure the stability of manometer when measuring.

The utility model is improved as follows: the connector 2 on the shell 1 is arranged on a device to be measured, a medium to be measured enters the Bourdon tube 13 through the connector 2, the Bourdon tube 13 expands and deforms to drive the connecting rod 17 and the fixed rod 18 to move, the fixed rod 18 moves to drive the sector gear 15 and the rotating shaft 14 to rotate, the rotating shaft 14 rotates to drive the pointer 16 to rotate, the pressure of the medium to be measured can be observed, the pressure gauge can be impacted by external force in the measuring process, the spring 6 can play a role in buffering when the bottom plate 4 deflects due to external vibration, the stress can be uniformly dispersed and borne by the three springs 6, the impact force between the shell 1 and the bottom plate 4 is prevented from being directly borne by the screw 5, the screw 5 can be loosened due to the impact of the impact force for a long time, the springs 6 play roles in damping, buffering and auxiliary fixing, the movement can be kept stable even after long-term use, and water vapor can enter the shell 1 through the glass plate 3 when the pressure gauge is used for a long time, desiccant 9 in the storage tank 8 can absorb steam through the through-hole 12, but after the time the desiccant 9 of top of having of a specified duration absorbed a certain amount of steam, drying effect can reduce, when the spring 6 played the cushioning effect, a plurality of cutter 10 that can drive its bottom removed a segment distance along blade slide 11, cutter 10 removes and scribes desiccant 9, the desiccant 9 of below spills, make and keep the drying in the casing 1 always, prevent that screw 5 from being corroded, avoid installing bottom plate 4 problem of core, ensure the stability when the manometer measures.

While there have been shown and described what are at present considered the preferred embodiments of the utility model, the fundamental principles and essential features of the utility model and advantages thereof, it will be understood by those skilled in the art that the utility model is not limited by the embodiments described above, which are included to illustrate the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a pressure gauge core with high stability, includes casing (1), its characterized in that: a bottom plate (4) is arranged at the bottom of the inner wall of the shell (1), a spring (6) is fixedly connected to the outer side of the bottom plate (4), one end, far away from the bottom plate (4), of the spring (6) is fixedly connected with the inner wall of the shell (1), a storage groove (8) is formed in the bottom of the inner wall of the shell (1), a drying agent (9) is placed inside the storage groove (8), a cover plate (7) is installed at the top of the storage groove (8), a cutter (10) is fixedly connected to the bottom of the spring (6), and one end, far away from the spring (6), of the cutter (10) is located in the storage groove (8); a connector (2) is installed on one side of the shell (1) in a penetrating mode, one end, located inside the shell (1), of the connector (2) is fixedly connected with a Bourdon tube (13), and one end, far away from the connector (2), of the Bourdon tube (13) is fixedly installed with a connecting rod (17); the middle part of the upper surface of bottom plate (4) rotates and is connected with pivot (14), the top fixed mounting of pivot (14) has pointer (16), outside fixedly connected with sector gear (15) of pivot (14), one side fixedly connected with dead lever (18) of sector gear (15), the one end of keeping away from sector gear (15) of dead lever (18) rotates with the one end of keeping away from bourdon tube (13) of connecting rod (17) and is connected.

2. A pressure gauge movement with high stability according to claim 1, characterized in that: blade slide (11) and through-hole (12) have been seted up to the inside of apron (7), blade slide (11) are rectangle, a plurality of cutter (10) all drive through spring (6) and slide in blade slide (11).

3. A pressure gauge movement with high stability according to claim 1, characterized in that: the springs (6) are three in number, angles between the springs are the same and are 120 degrees, the number of the storage grooves (8) is three, and each storage groove (8) is located right below the corresponding spring (6).

4. A pressure gauge movement with high stability according to claim 1, characterized in that: the inside threaded connection of casing (1) and bottom plate (4) has screw (5), the inside at casing (1) is fixed through screw (5) in bottom plate (4), the top fixed mounting of casing (1) has glass board (3).