阅读说明：本技术 一种带有液晶显示功能的阀位变送器 (Valve position transmitter with liquid crystal display function ) 是由 孙燕飞 马乐成 于 2020-11-23 设计创作，主要内容包括：本发明涉及阀位变送器技术领域,尤其是一种带有液晶显示功能的阀位变送器,针对现有技术中的阀位变送器拆装不方便的问题,现提出如下方案,其包括阀位变送器、安装板和锁紧装置,所述阀位变送器的正面安装有液晶显示屏,阀位变送器的底面固定有四个连接柱,所述安装板的顶面开设有连接孔,所述安装板的一侧外壁上开设有收纳孔,四个连接孔分别位于收纳孔的两侧,四个所述连接孔靠近收纳孔的一侧均开设有放置槽。本发明结构合理,操作简单,大大的方便了阀位变送器本体的拆装过程,降低了检修人员拆装阀位变送器本体的难度,同时也避免了频繁的拆装阀位变送器本体对阀位变送器本体带来的损坏。(The invention relates to the technical field of valve position transmitters, in particular to a valve position transmitter with a liquid crystal display function, and provides a scheme for solving the problem that the valve position transmitter in the prior art is inconvenient to assemble and disassemble. The valve position transmitter body assembling and disassembling device is reasonable in structure and simple to operate, greatly facilitates the assembling and disassembling process of the valve position transmitter body, reduces the difficulty of an overhaul worker in assembling and disassembling the valve position transmitter body, and meanwhile avoids the damage to the valve position transmitter body caused by frequent assembling and disassembling of the valve position transmitter body.)

1. The valve position transmitter with the liquid crystal display function comprises a valve position transmitter (1), a mounting plate (3) and a locking device, and is characterized in that a liquid crystal display (2) is installed on the front face of the valve position transmitter (1), four connecting columns (17) are fixed on the bottom face of the valve position transmitter, a connecting hole (7) is formed in the top face of the mounting plate (3), an accommodating hole (12) is formed in the outer wall of one side of the mounting plate (3), the four connecting holes (7) are respectively located on two sides of the accommodating hole (12), a placing groove (14) is formed in one side, close to the accommodating hole (12), of each connecting hole (7), a limiting column (8) is movably connected to the inside of each placing groove (14) through a reset mechanism, one end, far away from each connecting hole (7), of each limiting column (8) extends to the inside of the accommodating hole (12), and the accommodating hole (12) is a threaded hole, the other ends of the four limiting columns (8) extend into the four connecting holes (7) respectively, and the bottoms of the four connecting columns (17) extend into the four connecting holes (7) respectively and are clamped with the four limiting columns (8);

locking device comprises screw thread post (15), fixed column (13) of fixing in screw thread post (15) one end and adjustment wheel (4) of fixing at the screw thread post (15) other end, the one end of fixed column (13) extends to the inside of accomodating hole (12) and the one end butt of spacing post (8), and screw thread post (15) are located the inside of accomodating hole (12) and accomodate hole (12) threaded connection.

2. The valve position transmitter with the liquid crystal display function of claim 1, wherein the mounting plate (3) is fixed with connecting blocks (5) on the outer walls of two opposite sides.

3. The valve position transmitter with the liquid crystal display function of claim 2, wherein a fixing hole (6) is formed in the top of the connecting block (5).

4. The valve position transmitter with the liquid crystal display function according to claim 1, wherein the reset mechanism comprises limiting grooves (11) formed in inner walls of two sides of the placement groove (14) and limiting plates (10) fixed on outer walls of two sides of the limiting column (8), one sides of the two limiting plates (10) extend to the inside of the two limiting grooves (11) and are connected with the two limiting grooves (11) in a sliding mode, the reset mechanism further comprises springs (9) fixed on the outer wall of one side of the storage hole (12) and far away from the outer wall of one side of the storage hole (12) in the two limiting plates (10), and the other ends of the two springs (9) are fixedly connected with the inner walls of one side of the storage hole (12) far away from the two limiting grooves (11) respectively.

5. The valve position transmitter with the liquid crystal display function according to claim 1, wherein one end of the limiting plate (10) located inside the limiting groove (11) abuts against an inner wall of one side of the limiting groove (11) far away from the placing groove (14), and the top surface and the bottom surface of the limiting plate (10) abut against the top surface and the bottom surface of the placing groove (14) respectively.

6. The valve position transmitter with the liquid crystal display function of claim 1, wherein the fixing post (13) is of a cylindrical structure, and one end of the fixing post (13) far away from the threaded post (15) is of a conical structure.

7. The valve position transmitter with the liquid crystal display function of claim 1, wherein a limiting hole (16) is formed in the outer wall of one side of the connecting column (17), and the limiting hole (16) is matched with the limiting column (8).

Technical Field

The invention relates to the field of valve position transmitters, in particular to a valve position transmitter with a liquid crystal display function.

Background

The valve position transmitter is used for linearly converting the rotation angle (0-90 degrees) of the output shaft of the pneumatic actuator into a 4-20 mADC signal to indicate the valve position and realize the position feedback of the system.

The valve position transmitter in the prior art is only divided into two types, one type is without a liquid crystal display function, the other type is with the liquid crystal display function, but the two types of valve position transmitters are directly fixed on a tested device through screws when being installed, so that time is consumed for comparison in the process of overhauling, assembling and disassembling the valve position transmitter, and therefore the valve position transmitter with the liquid crystal display function is provided.

Disclosure of Invention

The valve position transmitter with the liquid crystal display function provided by the invention solves the problem that the valve position transmitter in the prior art is inconvenient to assemble and disassemble.

In order to achieve the purpose, the invention adopts the following technical scheme:

the valve position transmitter with the liquid crystal display function comprises a valve position transmitter, a mounting plate and a locking device, wherein a liquid crystal display screen is mounted on the front side of the valve position transmitter, four connecting columns are fixed on the bottom surface of the valve position transmitter, connecting holes are formed in the top surface of the mounting plate, accommodating holes are formed in the outer wall of one side of the mounting plate, the four connecting holes are respectively located on two sides of the accommodating holes, placing grooves are formed in one sides, close to the accommodating holes, of the four connecting holes, limiting columns are movably connected inside the four placing grooves through a reset mechanism, one ends, far away from the connecting holes, of the four limiting columns extend into the accommodating holes, the accommodating holes are threaded holes, the other ends of the four limiting columns respectively extend into the four connecting holes, and the bottoms of the four connecting columns respectively extend into the four connecting holes to be clamped with the four limiting;

locking device comprises the screw thread post, fixes the fixed column in screw thread post one end and fixes the regulating wheel at the screw thread post other end, the one end of fixed column extends to the inside of accomodating the hole and the one end butt of spacing post, and the screw thread post is located the inside of accomodating the hole and accomodates hole threaded connection.

Preferably, the outer walls of two opposite sides of the mounting plate are respectively fixed with a connecting block.

Preferably, the top of the connecting block is provided with a fixing hole.

Preferably, canceling release mechanical system is including seting up the spacing groove on standing groove both sides inner wall and fixing the limiting plate on spacing post both sides outer wall, and one side of two limiting plates extends to the inside and two limiting groove sliding connection of two limiting grooves respectively, canceling release mechanical system is still including fixing two limiting plates and keeping away from the spring of accomodating on one side outer wall of hole, and the other end of two springs keeps away from one side inner wall fixed connection of accomodating the hole with two limiting grooves respectively.

Preferably, one end of the limiting plate, which is located inside the limiting groove, is abutted against the inner wall of the limiting groove, which is away from the placing groove, on one side, and the top surface and the bottom surface of the limiting plate are respectively abutted against the top surface and the bottom surface of the placing groove.

Preferably, the fixing column is of a cylindrical structure, and one end, far away from the threaded column, of the fixing column is of a conical structure.

Preferably, the outer wall of one side of the connecting column is provided with a limiting hole, and the limiting hole is matched with the limiting column.

The invention has the beneficial effects that:

1. through liquid crystal display can conveniently show the data that record, and then can conveniently fix the mounting panel on the testee through the connecting block.

2. Through the cooperation between mounting panel, spliced pole, spacing post, standing groove, accomodate hole, regulating wheel, screw thread post and the fixed column, conveniently fix valve position changer body on the mounting panel.

3. Through the setting of canceling release mechanical system for spacing post can automatic re-setting after losing the extrusion of fixed column, thereby made things convenient for the dismantlement to valve position changer body.

The valve position transmitter body assembling and disassembling device is reasonable in structure and simple to operate, greatly facilitates the assembling and disassembling process of the valve position transmitter body, reduces the difficulty of an overhaul worker in assembling and disassembling the valve position transmitter body, and meanwhile avoids the damage to the valve position transmitter body caused by frequent assembling and disassembling of the valve position transmitter body.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an enlarged view of the present invention at a.

FIG. 3 is a diagram of the present invention.

Reference numbers in the figures: 1 valve position changer body, 2 liquid crystal display, 3 mounting panels, 4 regulating wheels, 5 connecting blocks, 6 fixed orificess, 7 connecting holes, 8 spacing posts, 9 springs, 10 limiting plates, 11 limiting grooves, 12 accommodating holes, 13 fixing posts, 14 placing grooves, 15 threaded posts, 16 spacing holes and 17 connecting posts.

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.

Referring to fig. 1-3, a valve position transmitter with a liquid crystal display function comprises a valve position transmitter, a mounting plate and a locking device, wherein a liquid crystal display is mounted on the front surface of the valve position transmitter, the liquid crystal display can be arranged to display measured data conveniently, four connecting columns are fixed on the bottom surface of the valve position transmitter, connecting holes are formed in the top surface of the mounting plate, accommodating holes are formed in the outer wall of one side of the mounting plate, the four connecting holes are respectively located on two sides of the accommodating holes, two connecting holes are respectively formed in two sides of the accommodating holes, placing grooves are respectively formed in one sides, close to the accommodating holes, of the four connecting holes, limiting columns are movably connected to the insides of the four placing grooves through a reset mechanism, one ends, far away from the connecting holes, of the four limiting columns all extend to the insides of the accommodating holes, the accommodating holes are threaded holes, and the other ends of, the locking device comprises threaded columns, fixed columns fixed at one ends of the threaded columns and adjusting wheels fixed at the other ends of the threaded columns, one ends of the fixed columns extend to the interiors of the containing holes and abut against one ends of the limiting columns, the threaded columns are located in the containing holes and are in threaded connection with the containing holes, and one ends of the four limiting columns can be conveniently clamped into the interiors of the limiting holes in the four connecting columns through the fixed columns, so that the valve position transmitter body is conveniently fixed on the mounting plate, and the threaded columns and the containing holes are arranged to conveniently fix the fixed columns in the containing holes;

the reset mechanism comprises limiting grooves formed in the inner walls of the two sides of the placing groove, limiting plates fixed on the outer walls of the two sides of the limiting post, one sides of the two limiting plates extend into the two limiting grooves respectively and are in sliding connection with the two limiting grooves, the reset mechanism further comprises springs fixed on the outer walls of the two limiting plates on the sides far away from the accommodating holes, the other ends of the two springs are fixedly connected with the inner walls of the two limiting grooves on the sides far away from the accommodating holes respectively, and the reset mechanism enables the limiting post to automatically withdraw out of the limiting holes after the limiting post loses the compression of the fixing post, so that the valve position transmitter body is convenient to disassemble and assemble;

the outer walls of two opposite sides of the mounting plate are respectively fixed with a connecting block, the top of each connecting block is provided with a fixing hole, and the mounting plate is conveniently fixed on a measured object by using screws or bolts due to the arrangement of the connecting blocks and the fixing holes;

one end, located inside the limiting groove, of the limiting plate is abutted to the inner wall of one side, away from the placing groove, of the limiting groove, and the top surface and the bottom surface of the limiting plate are respectively abutted to the top surface and the bottom surface of the placing groove, so that the limiting column can be effectively placed to shake inside the placing groove, and the limiting column can be aligned to the limiting hole in the connecting column when the valve position transmitter body is fixed;

the fixed column is cylindrical structure, and the one end that the screw thread post was kept away from to the fixed column is the toper structure, makes things convenient for the fixed column to slide spacing post and accomodates the outside extrusion in hole mutually and goes out.

The working principle is as follows: during installation, the mounting plate 3 is fixed on a measured object, then the valve position transmitter body 1 is fixed on the mounting plate 3, when the valve position transmitter body 1 is fixed, the four connecting columns 17 are ensured to be respectively inserted in alignment with the four connecting holes 7, when the bottom surface of the valve position transmitter body 1 is contacted with the top surface of the mounting plate 3, one end of the fixing column 13 is inserted into the accommodating hole 12, along with the fact that the fixing column 13 enters the accommodating hole 12, the fixing column 12 starts to gradually extrude one end, located inside the accommodating hole 12, of the limiting column 8 to the outside of the accommodating hole 12, so that one end, far away from the accommodating hole 12, of the limiting column 8 is clamped into the limiting hole 16 on the connecting column 17, at the moment, the spring 9 in the reset mechanism is in a compressed state, so that the connecting column 17 is fixed inside the connecting hole 7, when the threaded column 15 enters the accommodating hole 12, the threaded column 15 is rotated through the adjusting wheel 4, so that the threaded column 15 is gradually screwed into the accommodating hole 12, the adjusting wheel 4 is known to be abutted against the outer wall of the mounting plate 3, and the fixing column 13 is fixed in the accommodating hole 12, so that the mounting of the valve position transmitter body 1 is completed;

when dismantling valve position changer body 1, take out the outside of accepting hole 12 with fixed column 13 between only needing, lost the extrusion back of fixed column 13, spring 9 among the canceling release mechanical system begins to resume deformation extension to make spacing post 8 move to the one side that is close to accepting hole 12, and then make spacing post 8 card go into the inside one end of spacing 16 inside holes and withdraw from the inside that spacing hole 16 entered into standing groove 14, then just can between with valve position changer body 1 take off from mounting panel 1 can.

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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.