Tuning fork densimeter convenient to maintain

Abstract

The utility model discloses a tuning fork densimeter convenient to maintain, and particularly relates to the technical field of tuning fork densimeters, the tuning fork densimeter comprises a gauge outfit mechanism, a detection mechanism is fixedly mounted at the bottom of the gauge outfit mechanism, the gauge outfit mechanism comprises a mounting shell, a modular circuit board is movably mounted in the mounting shell, and the modular circuit board is fixedly mounted on the gauge outfit mechanism. A meter display unit is arranged on one side of the modular circuit board and movably installed in the installation shell. According to the tuning fork densimeter convenient to maintain, a mounting column, a limiting frame, an unlocking button, a lock tongue, a first spring and a lock hook which are arranged are matched to form a rapid buckle assembly, so that a cover plate can be rapidly disassembled and assembled from one side of a mounting shell, and the cover plate can be rapidly disassembled and assembled through cooperation between a first limiting column and a first limiting groove; a worker can accurately install the modular circuit board and the meter display unit in the installation shell, and the meter display unit and the modular circuit board can be electrically connected in a lead-free mode through the elastic contact connector, so that a user can conveniently disassemble and assemble the modular circuit board and the meter display unit.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tuning fork densimeter technical field, concretely is a tuning fork densimeter convenient to maintain. BACKGROUND

[0002] A tuning fork densimeter is a high-precision density measuring device based on vibration principle. It determines the density of a liquid by detecting the vibration frequency of a tuning fork in the liquid. It is composed of two parallel metal arms (tuning fork), when the tuning fork is immersed in the liquid, its natural vibration frequency will change due to the different density of the liquid. By measuring this frequency change, the tuning fork densimeter can accurately calculate the density of the liquid. This device is widely used in chemical industry, food, pharmaceutical and petroleum industries, with high precision, fast response and easy installation.

[0003] After searching the patent announcement No. CN 221528314 U, a tuning fork densimeter, by adopting the front cover and the rear cover connected by screw thread, can realize the convenient disassembly of the shell, so that the internal electronic elements can be conveniently installed and disassembled and repaired, improving the reliability and applicability of the use process. Secondly, in the utility model, the shell and the fixed pipe are also connected by screw thread, so that the shell can be separated from the fixed pipe during disassembly, to further optimize the connection mode, and the overall structure design is simple and reasonable, which provides great convenience for the actual use of the sealing meter.

[0004] Although the above technology achieves the purpose of easy maintenance by screw installation to some extent, there are still some deficiencies. Screw installation usually requires the use of wrenches and other tools, which is relatively complex to operate, especially in limited space or difficult-to-reach locations. Each installation and disassembly requires multiple rotations, which increases the maintenance time. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a tuning fork densimeter convenient to maintain to solve the problems raised in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A tuning fork densimeter convenient to maintain, including the watch head mechanism, the bottom fixed mounting of watch head mechanism has detection mechanism, the watch head mechanism includes installation shell, the inside movable mounting of installation shell has modularized circuit board, one side of modularized circuit board is provided with the watch display unit, the watch display unit movable mounting is in the inside of installation shell, the side movable mounting of installation shell has the apron, both sides of installation shell all are fixedly installed and are provided with installation column, the outer wall fixed mounting of installation column has the limit support, the side fixed mounting of limit support has the lock tongue, the side fixed mounting of limit support has the lock release button, both sides of installation shell all are fixedly installed and are provided with first spring, first spring is arranged in the side of limit support, both sides of apron all are fixedly installed and are provided with the lock hook.

[0007] Preferably, the inside of the installation shell is fixedly installed with a plurality of first limiting columns, the outer wall of the modularized circuit board and the first limiting groove is provided with a plurality of first limiting grooves, the first limiting column is slidably installed in the inside of the first limiting groove.

[0008] Preferably, one side of the modularized circuit board is fixedly installed with an elastic contact connector, the modularized circuit board is electrically connected to one side of the watch display unit through the elastic contact connector, and the inside of the installation shell is fixedly installed with a second spring.

[0009] Preferably, one side of the installation shell is fixedly installed with a quick connector.

[0010] Preferably, the detection mechanism includes a screw rod, the screw rod is fixedly installed at the bottom of the installation shell, the bottom of the screw rod is fixedly installed with a detection unit, the outer wall of the screw rod is slidably installed with a flange plate, the outer wall of the screw rod is provided with a plurality of second limiting grooves, the inner wall of the flange plate is fixedly installed with a plurality of second limiting columns, and the outer wall of the screw rod is threadedly connected with two groups of limiting nuts, and the two groups of limiting nuts are arranged on the upper and lower sides of the flange plate.

[0011] Preferably, the outer wall of the screw rod is slidably installed with two groups of gaskets, and the two groups of gaskets are arranged on the side of the limiting nut close to the flange plate.

[0012] Preferably, the top of the watch head mechanism is fixedly installed with an audible and visual alarm.

[0013] Compared with the prior art, the utility model has the beneficial effects that the tuning fork densimeter convenient to maintain;

[0014] 1. Through the cooperation between the mounting column, the limiting frame, the unlocking button, the lock tongue, the first spring and the lock hook, a quick buckle assembly is formed, so that the cover plate can be quickly disassembled from one side of the mounting shell, through the cooperation between the first limiting column and the first limiting groove, the staff can accurately disassemble or install the modular circuit board and the indicating unit in the interior of the mounting shell, the elastic contact connector is used for realizing the wireless electrical connection between the indicating unit and the modular circuit board, the second spring is used for extruding the modular circuit board and the indicating unit to the side close to the cover plate, the stable electrical connection between the modular circuit board and the indicating unit is ensured, and the quick connector is used for facilitating the user to connect the wire;

[0015] 2. The cooperation between the second limiting groove and the second limiting column is used for preventing the flange plate from rotating on the outer wall of the screw rod, the second limiting column is fixed on the outer wall of the screw rod in the upper and lower extrusion mode of the two groups of limiting nuts, the distance between the flange plate and the detection unit can be changed by adjusting the positions of the two groups of limiting nuts on the outer wall of the screw rod, the flange plate can be replaced by removing the limiting nuts, and the device has the advantages of changing the installation position of the detection unit and quickly replacing different types of flange plates, and can be suitable for containers with different depths and different sizes of flange plates. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is an expanded view of the meter head mechanism of the utility model;

[0018] Figure 3 It is a sectional view of the meter head mechanism of the utility model;

[0019] Figure 4 It is a structural schematic view of the detection mechanism of the utility model.

[0020] In the drawing: 1, meter head mechanism; 101, mounting shell; 102, modular circuit board; 103, indicating unit; 104, cover plate; 105, mounting column; 106, limiting frame; 107, unlocking button; 108, lock tongue; 109, first spring; 110, lock hook; 111, first limiting column; 112, first limiting groove; 113, second spring; 114, elastic contact connector; 115, quick connector; 2, detection mechanism; 201, screw rod; 202, detection unit; 203, flange plate; 204, second limiting groove; 205, second limiting column; 206, limiting nut; 207, gasket; 3, audible and visual alarm. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-3 The utility model provides a kind of technical scheme: a tuning fork densimeter convenient to maintain, including table head mechanism 1, the bottom of table head mechanism 1 is fixedly installed with detection mechanism 2, table head mechanism 1 includes installation shell 101, the inside movable mounting of installation shell 101 is equipped with modular circuit board 102, one side of modular circuit board 102 is provided with table display unit 103, table display unit 103 is movably installed in the inside of installation shell 101, the side of installation shell 101 is movably installed with cover plate 104, the left and right sides of installation shell 101 are both fixedly installed with mounting column 105, the outer wall of mounting column 105 is fixedly installed with limit frame 106, the side of limit frame 106 is fixedly installed with lock tongue 108, the side of limit frame 106 is fixedly installed with release button 107, the left and right sides of installation shell 101 are both fixedly installed with first spring 109, first spring 109 is arranged in the side of limit frame 106, the left and right sides of cover plate 104 are both fixedly installed with lock hook 110, the inside of installation shell 101 is fixedly installed with a plurality of first limit column 111, the outer wall of modular circuit board 102 and first limit slot 112 is all equipped with a plurality of first limit slot 112, first limit column 111 is slidably installed in the inside of first limit slot 112, the side of modular circuit board 102 is fixedly installed with elastic contact connector 114, modular circuit board 102 is electrically connected in the side of table display unit 103 by elastic contact connector 114, the inside of installation shell 101 is fixedly installed with second spring 113, the side of installation shell 101 is fixedly installed with quick connector 115.

[0023] The embodiment is specific: the quick buckle assembly is formed through cooperation between the mounting column 105, the limiting frame 106, the unlocking knob 107, the lock tongue 108, the first spring 109 and the lock hook 110, so that the cover plate 104 can be quickly disassembled from one side of the mounting shell 101; through cooperation between the first limiting column 111 and the first limiting groove 112, the staff can accurately disassemble or install the modular circuit board 102 and the indicating unit 103 from or in the interior of the mounting shell 101; the elastic contact connector 114 enables the indicating unit 103 and the modular circuit board 102 to be electrically connected without wires, facilitating disassembly and assembly of the user; and the second spring 113 extrudes the modular circuit board 102 and the indicating unit 103 towards the side close to the cover plate 104, thereby ensuring the stability of the modular circuit board 102 and the indicating unit 103 in the mounting shell 101 and the stability of the electrical connection between the modular circuit board 102 and the indicating unit 103, and the quick connector 115 facilitates the user to connect the wire.

[0024] Please refer to Figures 1-4 The utility model provides a technical scheme: a tuning fork densimeter convenient to maintain, detection mechanism 2 includes screw rod 201, screw rod 201 fixed mounting at the bottom of mounting shell 101, the bottom fixed mounting of screw rod 201 has detection unit 202, the outer wall sliding installation of screw rod 201 has flange plate 203, the outer wall of screw rod 201 is equipped with a plurality of second limiting grooves 204, the inner wall fixed mounting of flange plate 203 has a plurality of second limiting columns 205, the outer wall screw connection of screw rod 201 has two sets of limiting nuts 206, and two sets of limiting nuts 206 are arranged at the upper and lower sides of flange plate 203 respectively;

[0025] The outer wall sliding installation of screw rod 201 has two sets of gaskets 207, and the two sets of gaskets 207 are arranged on the side of the limiting nut 206 close to the flange plate 203.

[0026] The top of the meter mechanism 1 is fixedly installed with the audible and visual alarm 3.

[0027] The embodiment is specific: cooperation between the second limiting groove 204 and the second limiting column 205 prevents the flange plate 203 from rotating on the outer wall of the screw rod 201, the second limiting column 205 is fixed on the outer wall of the screw rod 201 by the upper and lower extrusion of the two sets of limiting nuts 206, so that the staff can change the distance between the flange plate 203 and the detection unit 202 by adjusting the position of the two sets of limiting nuts 206 on the outer wall of the screw rod 201, and the flange plate 203 can also be replaced by removing the limiting nut 206, and the device has the advantages of changing the installation position of the detection unit 202 and quickly replacing different types of flange plates 203, and can adapt to containers with different depths and different sizes of flange plates 203.

[0028] Working principle: in the use of the convenient maintenance of tuning fork densimeter, through the cooperation between the installation column 105, the limiting frame 106, the unlocking button 107, the lock tongue 108, the first spring 109, the lock hook 110, the quick buckle assembly is formed, so that the cover plate 104 can be quickly disassembled from one side of the installation shell 101, through the cooperation between the first limiting column 111 and the first limiting groove 112, the staff can accurately disassemble or install the modular circuit board 102 and the indicating unit 103 from the inside of the installation shell 101, through the elastic contact connector 114, the indicating unit 103 and the modular circuit board 102 can realize wire-free electrical connection, which is convenient for users to disassemble and assemble, and through the second spring 113, the modular circuit board 102 and the indicating unit 103 are pressed to the side close to the cover plate 104, which ensures the stability of the modular circuit board 102 and the indicating unit 103 in the installation shell 101, and ensures the stability of the electrical connection between the modular circuit board 102 and the indicating unit 103, and through the quick connector 115, the user can connect the wire;

[0029] The cooperation between the second limiting groove 204 and the second limiting column 205 prevents the flange plate 203 from rotating on the outer wall of the screw rod 201, and the second limiting column 205 is fixed on the outer wall of the screw rod 201 by the upper and lower extrusion of the two groups of limiting nuts 206, so that the user can change the distance between the flange plate 203 and the detection unit 202 by adjusting the position of the two groups of limiting nuts 206 on the outer wall of the screw rod 201, and the flange plate 203 can also be replaced by removing the limiting nut 206, so that the device has the advantages of changing the installation position of the detection unit 202 and quickly replacing different types of flange plates 203, and can adapt to containers with different depths and different sizes of flange plates 203;

[0030] The gasket 207 provides additional friction to prevent the limiting nut 206 from loosening due to vibration, and the audible and visual alarm 3 can immediately issue a warning when the device detects abnormal conditions such as density exceeding the set range, device failure, etc., reminding the operator to take action.

[0031] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A maintenance-friendly tuning fork density meter, comprising a meter head mechanism (1), wherein a detection mechanism (2) is fixedly mounted on the bottom of the meter head mechanism (1), characterized in that: The meter head mechanism (1) includes a mounting housing (101), a modular circuit board (102) is movably mounted inside the mounting housing (101), a display unit (103) is provided on one side of the modular circuit board (102), the display unit (103) is movably mounted inside the mounting housing (101), a cover plate (104) is movably mounted on one side of the mounting housing (101), and mounting posts (105) are fixedly mounted on both the left and right sides of the mounting housing (101). A limiting bracket (106) is fixedly installed on the outer wall of the mounting column (105). A locking tongue (108) is fixedly installed on one side of the limiting bracket (106). An unlocking button (107) is fixedly installed on one side of the limiting bracket (106). A first spring (109) is fixedly installed on both the left and right sides of the mounting shell (101). The first spring (109) is located on one side of the limiting bracket (106). A locking hook (110) is fixedly installed on both the left and right sides of the cover plate (104).

2. The easy-to-maintain tuning fork density meter according to claim 1, characterized in that, The mounting shell (101) has several first limiting posts (111) fixedly installed inside. The outer walls of the modular circuit board (102) and the first limiting groove (112) are provided with several first limiting grooves (112). The first limiting posts (111) are slidably installed inside the first limiting grooves (112).

3. The easy-to-maintain tuning fork density meter according to claim 1, characterized in that, A flexible contact connector (114) is fixedly installed on one side of the modular circuit board (102). The modular circuit board (102) is electrically connected to one side of the display unit (103) through the flexible contact connector (114). A second spring (113) is fixedly installed inside the mounting housing (101).

4. The easy-to-maintain tuning fork density meter according to claim 1, characterized in that, A quick connector (115) is fixedly installed on one side of the mounting housing (101).

5. A maintenance-friendly tuning fork density meter according to claim 1, characterized in that, The detection mechanism (2) includes a screw (201), which is fixedly installed at the bottom of the mounting shell (101). A detection unit (202) is fixedly installed at the bottom of the screw (201). A flange (203) is slidably installed on the outer wall of the screw (201). Several second limiting grooves (204) are opened on the outer wall of the screw (201). Several second limiting posts (205) are fixedly installed on the inner wall of the flange (203). Two sets of limiting nuts (206) are threadedly connected to the outer wall of the screw (201). The two sets of limiting nuts (206) are respectively arranged on the upper and lower sides of the flange (203).

6. A maintenance-friendly tuning fork density meter according to claim 5, characterized in that, Two sets of gaskets (207) are slidably installed on the outer wall of the screw (201), and both sets of gaskets (207) are located on the side of the limiting nut (206) near the flange (203).

7. The easy-to-maintain tuning fork density meter according to claim 1, characterized in that, An audible and visual alarm (3) is fixedly installed on the top of the meter head mechanism (1).

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