Tuning fork densimeter

Abstract

The utility model discloses a tuning fork densimeter, relates to the densimeter technical field, including nose, support pillar, connecting pillar and tuning fork, the support pillar is fixedly installed on the lower side wall of nose, the other end of support pillar is connected with the upper end of connecting pillar in threaded connection, between the connecting pillar and tuning fork there is provided mounting seat and mounting subassembly, the mounting seat is connected with the mounting subassembly. A positioning hole matched with the mounting assembly is formed in the lower end of the connecting column, the tuning fork is mounted on the side, away from the mounting assembly, of the mounting base, and the mounting base and the mounting assembly are fixedly mounted together. The tuning fork has the advantages that the tuning fork is replaced by mounting and dismounting the mounting component and the connecting column, so that the use cost is reduced; the densimeter solves the problems that a flange plate of a connecting column in an existing densimeter, a tuning fork base, a tuning fork body and an isolation cover are coaxially welded into a whole, when a tuning fork is damaged and needs to be replaced, the tuning fork needs to be replaced together with a connecting piece of the tuning fork, and the use cost is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to density gauge technical field, specifically is a tuning fork density gauge. BACKGROUND

[0002] The tuning fork density gauge measures density by tuning fork vibration principle, the tuning fork is excited to produce vibration by piezoelectric crystal, when the tuning fork is immersed in the measured fluid, the density of the fluid will affect the vibration frequency of the tuning fork, by measuring the change of the tuning fork vibration frequency, and through the specific algorithm conversion, the density value of the measured fluid can be accurately obtained;

[0003] The applicant found that a tuning fork density gauge has been disclosed in Chinese patent with publication number CN112945796A, which can more sensitively capture the change signal of the tuning fork resonant frequency, improve the accuracy and stability of density measurement, calibrate the coefficient of the tuning fork density gauge, eliminate the interference of external factors on the density gauge, and improve the measurement accuracy, but the flange plate of the connecting column and the tuning fork seat, tuning fork prongs and isolation cover are coaxially welded as a whole in the existing density gauge, when the tuning fork needs to be replaced due to damage, the connecting member needs to be replaced together, which increases the use cost.

[0004] Therefore, the present application provides a tuning fork density gauge to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a tuning fork density gauge.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tuning fork density gauge, comprising a head, a support column, a connecting column and a tuning fork, the support column is fixedly installed on the lower side wall of the head, the other end of the support column is threadedly connected with the upper end of the connecting column, a mounting seat and a mounting assembly are arranged between the connecting column and the tuning fork, a positioning hole matched with the mounting assembly is formed in the lower end of the connecting column, the tuning fork is installed on the side of the mounting seat away from the mounting assembly, and the mounting seat and the mounting assembly are fixedly installed together.

[0007] The mounting assembly comprises two connecting rods, a positioning spring and a clamping block, an installation groove is formed in the end wall of each connecting rod, one end of the positioning spring is fixed to the inner wall of the installation groove, the other end of the positioning spring is fixedly installed with the clamping block, and the clamping block is slidingly connected in the installation groove.

[0008] As a further scheme of the utility model: the inside wall of one end of the positioning hole is provided with a clamping groove matched with the clamping block, two ejection assemblies are symmetrically arranged on the side wall of the connecting column, the ejection assembly comprises a return spring and an abutting rod, one end of the abutting rod penetrates through the side wall of the connecting column and extends into the clamping groove, the return spring is arranged on the side wall of the other end of the abutting rod, one end of the return spring is fixedly installed on the end of the abutting rod, and the other end is fixedly installed on the connecting column.

[0009] As a further scheme of the utility model: the mounting seat comprises a mounting shell, a waterproof motor and a sealing rotary plug, the two connecting rods are fixedly installed on the connecting rod away from the connecting column, the waterproof motor is fixedly installed in the mounting shell, the output end of the waterproof motor is fixedly installed with the sealing rotary plug, the sealing rotary plug is sealingly rotatably installed at the bottom of the mounting shell, and the tuning fork is fixedly installed on the side of the sealing rotary plug away from the waterproof motor.

[0010] As a further scheme of the utility model: a flange plate is fixedly sleeved on the connecting column, and a plurality of mounting holes are arranged in the flange plate.

[0011] As a further scheme of the utility model: a controller is fixedly installed on the machine head, a touch screen is arranged on the controller, and the signal output end of the controller is electrically connected with the waterproof motor.

[0012] As a further scheme of the utility model: the waterproof motor and the controller are both internally provided with a battery, and the voltage of the battery is V.

[0013] As a further scheme of the utility model: the connecting column and the mounting seat are both provided with an anticorrosion layer.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1、The utility model discloses a mounting assembly and the connecting column are detachable, so that the tuning fork can be replaced, and the use cost is reduced.

[0016] 2、The controller controls the waterproof motor to drive the sealing rotary plug to rotate, and then drives the tuning fork to rotate, so that the liquid is disturbed in the process of the rotation of the tuning fork, and the measurement accuracy of the tuning fork is not affected by the sediment at the bottom of the liquid.

[0017] The other advantages, objects, and features of the present utility model will be in part apparent and in part pointed out hereinafter in the specification, and in part will be observed by persons skilled in the art upon examination of the specification, or can be learned by practice of the present utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the present utility model embodiment one;

[0019] Figure 2 It is the structure schematic diagram of the connecting column in the present utility model embodiment one;

[0020] Figure 3 It is the structure schematic diagram of the connecting column in the present utility model embodiment one;

[0021] Figure 4 It is Figure 3 The enlarged structure schematic diagram of A in;

[0022] Figure 5 It is the structure schematic diagram of the present utility model embodiment one;

[0023] Figure 6 It is the structure schematic diagram of the present utility model embodiment two mounting seat.

[0024] In the figure: 1, the tuning fork;2, mounting seat;3, installation assembly;4, clamping block;5, machine head;6, positioning hole;7, connecting column;8, flange plate;9, support column;10, controller;11, pop-up assembly;12, clamping groove;201, installation shell;202, waterproof motor;203, sealing rotary plug;301, connecting rod;302, positioning spring;303, installation slot;111, reset spring;112, abutment rod. DETAILED DESCRIPTION

[0025] The specific embodiments of the present utility model will be further described in combination with the drawings, and it needs to be explained here that the description of these embodiments is used to help understanding the present utility model, but does not constitute the limitation to the present utility model.

[0026] In addition, the technical features involved in each embodiment of the present utility model described below can be combined with each other as long as there is no conflict.

[0027] Embodiment one, please refer to the attached Figure 1 - the attached Figure 5The utility model discloses a tuning fork densimeter, through installation component 3 and connecting column 7 cooperation complete the dismounting of installation seat 2 and connecting column 7, and then it is convenient to replace tuning fork 1, including head 5, support column 9, connecting column 7 and tuning fork 1, support column 9 fixed mounting is in the downside wall of head 5, and the other end of support column 9 is connected with the upper end of connecting column 7, and installation seat 2 and installation component 3 are arranged between connecting column 7 and tuning fork 1, and the lower end of connecting column 7 is provided with the locating hole 6 matched with installation component 3, and tuning fork 1 is fixedly installed on the side of installation seat 2 away from installation component 3, and installation seat 2 and installation component 3 are fixedly installed together, and installation component 3 is used for the dismounting replacement between installation seat 2 and connecting column 7, and then it is convenient to replace tuning fork 1 and reduce the use cost,

[0028] Specifically, the installation component 3 includes two connecting rods 301, a positioning spring 302, and a clamping block 4, an installation groove 303 is formed in the end wall of each connecting rod 301, one end of the positioning spring 302 is fixed to the inner wall of the installation groove 303, the other end of the positioning spring 302 is fixedly installed with the clamping block 4, the clamping block 4 is slidingly connected in the installation groove 303, a clamping groove 12 matched with the clamping block 4 is formed in the inner wall of one end of the locating hole 6, two ejection assemblies 11 are symmetrically arranged on the side wall of the connecting column 7, the ejection assembly 11 includes a reset spring 111 and an abutting rod 112, one end of the abutting rod 112 penetrates through the side wall of the connecting column 7 and extends into the clamping groove 12, the reset spring 111 is sleeved on the side wall of the other end of the abutting rod 112, one end of the reset spring 111 is fixedly installed with the end of the abutting rod 112, and the other end is fixedly installed on the connecting column 7;

[0029] Further, when it is needed to install the tuning fork 1 on the installation seat 2 on the connecting column 7, the installation component 3 at the other end of the installation seat 2 is directly inserted into the two locating holes 6 at the end of the connecting column 7, because the end of the clamping block 4 opposite to the connecting column 7 is arc-shaped, and the diameter of the connecting rod 301 is the same as the inner diameter of the locating hole 6, the clamping block 4 is extruded by the inner wall of the locating hole 6, so that the clamping block 4 compresses the positioning spring 302, finally, when the clamping block 4 is opposite to the clamping groove 12, the clamping block 4 is abutted into the clamping groove 12 for clamping under the action of the reset force of the positioning spring 302, so that the installation seat 2 and the connecting column 7 are installed together, and then the tuning fork 1 is installed on the connecting column 7;

[0030] When it is needed to dismount and replace the tuning fork 1, one hand holds the connecting column 7, and the fingers extrude the end of the abutting rod 112 on both sides of the connecting column 7, after the abutting rod 112 is extruded, the other end extends into the clamping groove 12 to abut the clamping block 4 into the installation groove 303, and the other hand takes out the connecting rod 301 from the locating hole 6, so that the separation of the connecting column 7 and the installation seat 2 is completed, and then the tuning fork 1 is smoothly taken down and replaced, which avoids replacing other components together because of replacing the tuning fork 1, and reduces the use cost;

[0031] Further, the connecting column 7 is sleeved with a flange plate 8, and a plurality of mounting holes are arranged on the flange plate 8 in a ring shape, so that the densimeter can be mounted on the pipeline;

[0032] Further, the connecting column 7 and the mounting seat 2 are provided with anticorrosion layers, so that the anticorrosion performance of the connecting column 7 and the mounting seat 2 is improved, and the service life of the connecting column 7 and the mounting seat 2 is prolonged;

[0033] Embodiment two, please refer to the attached Figure 6 , the difference between embodiment two and embodiment one is that the mounting seat 2 comprises a mounting shell 201, a waterproof motor 202 and a sealed rotary plug 203, two connecting rods 301 are fixedly installed on the connecting rod 301 away from the connecting column 7, the waterproof motor 202 is fixedly installed in the mounting shell 201, the sealed rotary plug 203 is fixedly installed on the output end of the waterproof motor 202, the sealed rotary plug 203 is sealingly and rotatably installed at the bottom of the mounting shell 201, the tuning fork 1 is fixedly installed on the side of the sealed rotary plug 203 away from the waterproof motor 202, the controller 10 is fixedly installed on the machine head 5, the controller 10 is provided with a touch screen, the signal output end of the controller 10 is electrically connected with the waterproof motor 202, and the waterproof motor 202 and the controller 10 are both internally provided with a battery with a voltage of 5V, which is used for continuously supplying power to the waterproof motor 202 and the controller 10;

[0034] The waterproof motor 202 drives the sealed rotary plug 203 to rotate through the controller 10, so as to drive the tuning fork 1 to rotate, and the disturbance to the liquid is completed in the process of the rotation of the tuning fork 1, so that the influence of the sediment at the bottom of the liquid on the measurement accuracy of the tuning fork 1 is avoided;

[0035] Working principle: first, when the tuning fork 1 on the mounting seat 2 needs to be installed on the connecting column 7, the mounting assembly 3 at the other end of the mounting seat 2 is directly inserted into the two positioning holes 6 at the end of the connecting column 7, because the end of the clamping block 4 opposite to the connecting column 7 is arc-shaped, and the diameter of the connecting rod 301 is the same as the inner diameter of the positioning hole 6, the clamping block 4 is extruded by the inner wall of the positioning hole 6, so that the clamping block 4 is compressed by the positioning spring 302, and finally the clamping block 4 is inserted into the clamping groove 12 when the clamping block 4 is opposite to the clamping groove 12, the clamping block 4 is inserted into the clamping groove 12 under the action of the reset force of the positioning spring 302, so that the mounting seat 2 and the connecting column 7 are installed together, and then the tuning fork 1 is installed on the connecting column 7;

[0036] When the tuning fork 1 needs to be disassembled and replaced, one hand holds the connecting column 7, and the fingers extrude the end of the abutting rod 112 on both sides of the connecting column 7, the other end of the abutting rod 112 is inserted into the clamping groove 12 to make the clamping block 4 abut into the mounting groove 303, and the other hand takes out the connecting rod 301 from the positioning hole 6, so that the connecting column 7 and the mounting seat 2 are separated, and then the tuning fork 1 is smoothly taken down and replaced, so that the tuning fork 1 is not replaced together with other components, and the use cost is reduced.

[0037] The above-mentioned front, rear, left, right, up, down are all based on the Figure 1 directions or positional relationships shown in the drawings.

[0038] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the scope of protection of the present application.

[0039] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the described embodiments.

[0040] For those skilled in the art, various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and still fall within the scope of protection of the present application.

Claims

1. A tuning fork density meter, comprising a head (5), a support column (9), a connecting column (7), and a tuning fork (1), characterized in that: The support column (9) is fixedly installed on the lower side wall of the head (5). The other end of the support column (9) is threadedly connected to the upper end of the connecting column (7). A mounting base (2) and a mounting assembly (3) are provided between the connecting column (7) and the tuning fork (1). The lower end of the connecting column (7) is provided with a positioning hole (6) that matches the mounting assembly (3). The tuning fork (1) is installed on the side of the mounting base (2) away from the mounting assembly (3). The mounting base (2) and the mounting assembly (3) are fixedly installed together. The mounting assembly (3) includes two connecting rods (301), a positioning spring (302), and a locking block (4). Each connecting rod (301) has a mounting groove (303) on its end side wall. One end of the positioning spring (302) is fixed to the inner wall of the mounting groove (303), and the other end of the positioning spring (302) is fixedly installed with the locking block (4). The locking block (4) is slidably connected in the mounting groove (303).

2. The tuning fork density meter according to claim 1, characterized in that: The positioning hole (6) has a slot (12) on its inner sidewall that matches the locking block (4). Two pop-out components (11) are symmetrically arranged on the sidewall of the connecting column (7). The pop-out component (11) includes a return spring (111) and a stop rod (112). One end of the stop rod (112) passes through the sidewall of the connecting column (7) and extends into the slot (12). The return spring (111) is sleeved on the sidewall of the other end of the stop rod (112). One end of the return spring (111) is fixedly installed with the end of the stop rod (112), and the other end is fixedly installed on the connecting column (7).

3. A tuning fork density meter according to claim 2, characterized in that: The mounting base (2) includes a mounting shell (201), a waterproof motor (202), and a sealing rotating plug (203). The ends of the two connecting rods (301) opposite to the connecting column (7) are fixedly mounted on the connecting rods (301). The waterproof motor (202) is fixedly installed inside the mounting shell (201). The sealing rotating plug (203) is fixedly installed at the output end of the waterproof motor (202). The sealing rotating plug (203) is rotatably mounted on the bottom of the mounting shell (201). The tuning fork (1) is fixedly installed on the side of the sealing rotating plug (203) opposite to the waterproof motor (202).

4. A tuning fork density meter according to claim 3, characterized in that: A flange (8) is fixedly sleeved on the connecting column (7), and multiple mounting holes are arranged in a ring on the flange (8).

5. A tuning fork density meter according to claim 4, characterized in that: A controller (10) is fixedly installed on the machine head (5). The controller (10) is equipped with a touch screen. The signal output terminal of the controller (10) is electrically connected to the waterproof motor (202).

6. A tuning fork density meter according to claim 5, characterized in that: Both the waterproof motor (202) and the controller (10) have built-in batteries with a voltage of 5V.

7. A tuning fork density meter according to claim 6, characterized in that: Both the connecting column (7) and the mounting base (2) are provided with anti-corrosion layers.

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