Liquid level meter head structure

Abstract

The utility model provides a liquidometer head structure which comprises a shell, a connecting pipe base installed on one side of the shell and a valve control assembly arranged in the shell and used for controlling the flow speed of liquid, and a connecting hole communicated with an inner cavity of the shell is formed in the middle of the connecting pipe base. The valve control assembly comprises a valve clack elastically arranged on the shell, a valve seat matched with the valve clack and a plunger installed in the shell in a threaded mode, the outer end of the plunger is fixedly connected with the rotating rod, an ejector rod is arranged on the side, facing the valve clack, of the plunger so as to push the valve clack to move, and a sealing strip matched with the valve seat for sealing is arranged at the outer end of the plunger. The plunger is installed in the shell in a threaded mode and can be driven to move through the rotary handle, one side of the plunger can abut against the outer end of the valve clack through the ejector rod, the valve clack is pushed to move to open the channel, the structure is stable, and misoperation caused by mechanical vibration or liquid fluctuation is avoided. The ejector rod pushes the valve clack to move orderly so as to open the flow channel, and the ejector rod controls the size of a gap between the valve clack and the valve seat opening so as to control the flow speed.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid level meter technical field, concretely is a liquid level meter head structure. BACKGROUND

[0002] Liquid level meter is used for showing liquid height in tank body, and the upper and lower ends of liquid level meter are equipped with liquid level meter heads to be connected to corresponding positions of tank body through liquid level meter heads. The existing liquid level meter heads are prone to malfunction caused by mechanical vibration or liquid fluctuation, which affects the state and rate of fluid flow and leads to inaccurate liquid surface display, so a liquid level meter head with accurate and stable control is required. SUMMARY

[0003] The utility model solves the technical problem in the prior art to provide a liquid level meter head structure to solve the problems in the prior art.

[0004] The utility model solves the technical problem by adopting the following technical scheme: a liquid level meter head structure, including casing and the connecting pipe seat of installing in one side of casing, set up in the valve control subassembly of casing for controlling liquid flow rate, it is equipped with connecting hole with the cavity intercommunication of casing in the middle of connecting pipe seat, the valve control subassembly includes the valve clack of setting up in the casing of elasticity and the valve seat of setting up with valve clack cooperation, the plunger of screwing in the casing, the outer end of plunger is fixedly connected with the rotary lever, and the side of plunger towards valve clack is equipped with the jib to push valve clack and move, and the outer end of plunger is equipped with the sealing strip of cooperation sealing with valve seat.

[0005] As a further scheme of the utility model:

[0006] The outer end side of valve clack is arc-shaped end face, the arc-shaped groove of cooperation sealing with valve clack is equipped with on one side of valve seat corresponding valve clack, and the guide rod is fixedly arranged on the side of valve clack away from the jib, the guide rod is slidably installed on the support, the outer end of guide rod is provided with spring, one end of spring is arranged on valve clack, and the other end is arranged on support, the support includes guide sleeve and support sleeve arranged on the inner wall of casing, and the support sleeve is fixedly connected with guide sleeve through the support rod arranged in a ring, and the guide rod is slidably installed on the guide sleeve.

[0007] As a further scheme of the utility model:

[0008] The outer end of casing is connected with tank body through flange plate, the butt joint pipe is integrally arranged on flange plate, and is inserted into the casing and is connected through thread; one side of support sleeve is arranged at corresponding step of the inner wall of casing, and the other side is clamped and limited through butt joint pipe.

[0009] As a further scheme of the utility model:

[0010] The plunger is provided with a clamping groove corresponding to the sealing strip, one side of the sealing strip is clamped in the clamping groove, and the other side protrudes from the plunger, and the sealing strip is provided corresponding to the outer wall of the valve seat to be attached to the valve seat; the top rod is arranged at the shaft center of the plunger to push the valve disc to move.

[0011] As a further scheme of the utility model,

[0012] The outer end of the shell is provided with a cover to close the outer end of the shell, the cover is threadedly fixedly connected with the shell, the outer end of the cover is provided with a polygonal rotating block to facilitate rotation by a person using a wrench, the shaft center of the cover is provided with a shaft hole, and the rotating rod penetrates through the shaft hole of the cover.

[0013] As a further scheme of the utility model,

[0014] The outer end of the rotating rod is fixedly provided with a rotating handle to facilitate rotation, the shell is internally provided with a sealing block sleeved at the outer end of the rotating rod, the sealing block is arranged at the corresponding stepped hole of the shell, and the other side is connected with the cover through a rubber pad, the middle part of the sealing block is provided with an annular sealing ring, the sealing ring is clamped in the corresponding clamping groove of the sealing block, the sealing ring is attached to the rotating rod to seal the shell and prevent liquid leakage.

[0015] Compared with the prior art, the utility model has the beneficial effects that the plunger is threadedly installed in the shell and can be driven to move by the rotating handle, one side of the plunger can be arranged at the outer end of the valve disc through the top rod, the valve disc is pushed to move to open the channel, the structure is stable, and misoperation caused by mechanical vibration or liquid fluctuation is avoided. The valve disc is orderly moved by the top rod to open the flow channel, the size of the gap between the valve disc and the valve seat opening is controlled by the top rod to control the flow rate, and the effect of stabilizing the flow rate is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is a local sectional structure schematic diagram of the utility model Figure 1 ;

[0018] Figure 3 It is a local sectional structure schematic diagram of the utility model Figure 2 ;

[0019] In the drawing, 1 is a shell, 2 is a valve disc, 3 is a plunger, 4 is a support, 5 is a flange plate, 6 is a cover, 11 is a connecting pipe base, 12 is a connecting hole, 13 is a valve seat, 21 is a guide rod, 31 is a rotating rod, 32 is a top rod, 33 is a sealing strip, 34 is a rotating handle, 35 is a sealing block, 36 is a sealing ring, 41 is a spring, 42 is a support sleeve, 43 is a guide sleeve, 44 is a support rod, 51 is a butt joint pipe, and 61 is a rotating block. DETAILED DESCRIPTION

[0020] In order to make the technical means, the creation characteristics, the purpose and the effect of the utility model easy to understand, the utility model is further described below in combination with specific drawings.

[0021] As shown in Figures 1 to 3

[0022] The embodiment provides a liquid level meter head structure, which comprises a shell 1, a connecting pipe base 11 installed on one side of the shell 1, a valve control assembly arranged in the shell 1 and used for controlling the flow rate of liquid, a connecting hole 12 is arranged in the middle of the connecting pipe base 11 and is communicated with the inner cavity of the shell 1, the valve control assembly comprises a valve clack 2 elastically arranged in the shell 1, a valve seat 13 arranged in cooperation with the valve clack 2, and a plunger 3 screw-mounted in the shell 1, the outer end of the plunger 3 is fixedly connected with a rotating rod 31, a jacking rod 32 is arranged on the side of the plunger 3, the jacking rod 32 is used for pushing the valve clack 2 to move, and the outer end of the plunger 3 is provided with a sealing strip 33 used for sealing cooperation with the valve seat 13.

[0023] Specifically, the valve clack 2 is elastically attached to the corresponding side of the valve seat 13, a person rotates the plunger 3, the jacking rod 32 at the outer end of the plunger 3 is used for pushing the valve clack 2 to move, so that the fluid flows into the connecting hole 12, the shell 1 is conducted, the size of the opening gap between the valve clack 2 and the valve seat 13 is controlled by the jacking rod 32, so that the flow rate is controlled, and the effect of stabilizing the flow rate is achieved. When the plunger 3 is retracted, the elastically arranged valve clack 2 can realize one-way on-off. The plunger 3 can be rotatably arranged on one side of the valve seat 13, the sealing strip 33 is used for sealing connection with the valve seat 13, and the flow is disconnected.

[0024] In the embodiment, the outer end side of the valve clack 2 is an arc-shaped end face, one side of the valve seat 13 corresponds to the valve clack 2 and is provided with an arc-shaped groove used for sealing cooperation with the valve clack 2, a guide rod 21 is fixedly arranged on the side, away from the jacking rod 32, of the valve clack 2, the guide rod 21 is slidingly installed on a support 4, a spring 41 is arranged on the outer end of the guide rod 21, one end of the spring 41 is arranged against the valve clack 2, and the other end of the spring 41 is arranged against the support 4; the support 4 comprises a support sleeve 42 arranged against the inner wall of the shell 1 and a guide sleeve 43, the support sleeve 42 is fixedly connected with the guide sleeve 43 through annularly distributed support rods 44, and the guide rod 21 is slidingly installed on the guide sleeve 43.

[0025] In the embodiment, the outer end of the shell 1 is connected with a tank body through a flange plate 5, a butt joint pipe 51 is integrally arranged on the flange plate 5 and is inserted into the shell 1 for threaded connection, one side of the support sleeve 42 is arranged against the corresponding step of the inner wall of the shell 1, and the other side is clamped and limited through the butt joint pipe 51.

[0026] In the embodiment, the plunger 3 is provided with a clamping groove corresponding to the sealing strip 33, one side of the sealing strip 33 is clamped in the clamping groove, the other side of the sealing strip 33 protrudes from the plunger 3, the sealing strip 33 is arranged corresponding to the outer wall of the valve seat 13, so as to be attached to the valve seat 13, and the jacking rod 32 is arranged at the axis of the plunger 3, so as to push the valve clack 2 to move.​

[0027] In the embodiment, the outer end of the shell 1 is provided with a cover 6 to close the outer end of the shell 1, the cover 6 is threadedly connected with the shell 1, the outer end of the cover is provided with a polygonal rotating block 61 to facilitate rotation by a wrench, the axis of the cover 6 is provided with an axial hole, and the rotating rod 31 penetrates the axial hole of the cover 6.

[0028] In the embodiment, the outer end of the rotating rod 31 is fixedly provided with a rotating handle 34 to facilitate rotation, the shell 1 is internally provided with a sealing block 35 sleeved on the outer end of the rotating rod 31, the sealing block 35 is abutted at the corresponding stepped hole of the shell 1, the other side is connected with the cover 6 through a rubber pad, the middle part of the sealing block 35 is provided with an annular sealing ring 36, the sealing ring 36 is clamped in the corresponding clamping groove of the sealing block 35, and the sealing ring 36 is arranged in close contact with the rotating rod 31 to seal the shell 1 and prevent liquid leakage.

[0029] The working principle of the utility model is that the plunger 3 is threadedly installed in the shell 1 and can be driven to move by the rotating handle 34, one side of the plunger 3 can be abutted at the outer end of the valve disc 2 through the jacking rod 32 to push the valve disc 2 to move to open the channel, the structure is stable, and misoperation caused by mechanical vibration or liquid fluctuation is avoided. The jacking rod 32 pushes the valve disc 2 to move in order to open the flow channel, the size of the opening gap between the valve disc 2 and the valve seat 13 is controlled by the jacking rod 32 to control the flow rate, and the effect of stabilizing the flow rate is achieved.

[0030] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents. It should be noted that, in this document, if there are relationship terms such as first and second, they are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

Claims

1. A liquid level gauge head structure, characterized in that: It includes a shell and a connecting pipe seat installed on one side of the shell, and a valve control component arranged in the shell for controlling the liquid flow rate. A connecting hole communicating with the inner cavity of the shell is provided in the middle of the connecting pipe seat; the valve control component includes a valve disc elastically arranged in the shell and a valve seat arranged in cooperation with the valve disc, and a plunger threadedly installed in the shell. The outer end of the plunger is fixedly connected to the rotating rod, and a push rod is provided on the side of the plunger facing the valve disc to push the valve disc to move. The outer end of the plunger is provided with a sealing strip that seals with the valve seat.

2. A liquid level gauge head structure according to claim 1, characterized in that: The outer end side of the valve disc is an arc-shaped end face, and the valve seat is provided with an arc-shaped groove that cooperates with the valve disc to seal on one side, and a guide rod is fixedly provided on the side of the valve disc away from the push rod. The guide rod is slidably mounted on the bracket, and the outer end sleeve of the guide rod is provided with a spring. One end of the spring is against the valve disc, and the other end is against the bracket; the bracket includes a guide sleeve and a support sleeve against the inner wall of the shell, and the support sleeve is fixedly connected to the guide sleeve through support rods distributed in an annular manner, and the guide rod is slidably mounted on the guide sleeve.

3. The liquid level gauge head structure according to claim 2, characterized in that: The outer end of the shell is connected to the tank body through a flange plate, and a butt joint is provided on the flange plate, which is inserted into the shell through a threaded connection; one side of the support sleeve is against the corresponding step on the inner wall of the shell, and the other side is clamped and limited by the butt joint.

4. The liquid level gauge head structure according to claim 1, characterized in that: The plunger is provided with a card groove corresponding to the sealing strip. One side of the sealing strip is clamped in the card groove, and the other side protrudes from the plunger. The sealing strip is arranged corresponding to the outer wall of the valve seat to fit with the valve seat; the push rod is arranged at the axis center of the plunger.

5. The liquid level gauge head structure according to claim 4, characterized in that: The outer end of the shell is provided with a cover to close the outer end of the shell. The cover is fixedly connected to the shell with threads. The outer end of the cover is provided with a polygonal rotating block. The axis of the cover is provided with an axial hole, and the rotating rod passes through the axial hole of the cover.

6. The liquid level gauge head structure according to claim 5, characterized in that: The outer end of the rotating rod is fixedly installed with a rotating handle for easy rotation by personnel. A sealing block is provided in the shell and is sleeved on the outer end of the rotating rod. The sealing block is abutted against the corresponding step hole of the shell, and the other side is connected to the sealing cover through a rubber gasket. An annular sealing ring is provided in the middle of the sealing block, and the sealing ring is clamped in the clamping groove corresponding to the sealing block. The sealing ring is fitted with the rotating rod to seal the shell.

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