Bipolar radio frequency admittance material level switch

Abstract

The utility model discloses a bipolar radio frequency admittance material level switch, which comprises a radio frequency admittance material level switch, the radio frequency admittance material level switch is of a three-section structure and comprises a switch body, a telescopic rod and a detection head, and the bottom of the switch body is provided with a movable locking head. The movable locking head comprises a mounting cylinder internally provided with a penetrating opening and four sets of locking buckles mounted on the mounting cylinder, four sets of notches are uniformly formed in the upper end of the mounting cylinder, an outer ring is fixed to the middle of the mounting cylinder, the upper ends of the four sets of locking buckles are located in the notches, and the middles of the four sets of locking buckles are movably connected with the outer ring; the telescopic rod is symmetrically inserted into the penetrating opening, four groups of positioning holes matched with the locking buckles for use are uniformly formed in the end part of the telescopic rod, the telescopic rod is of a two-section structure, a sealing jacket is arranged in the middle of the telescopic rod, and the detection head is mounted at the tail end of the telescopic rod. The movable locking head is arranged at the joint of the machine body and the telescopic rod, so that the machine body and the telescopic rod can be conveniently mounted and dismounted, the operation is simple, and tools are not needed in the dismounting and mounting process.

Description

TECHNICAL FIELD

[0001] The utility model relates to radio frequency admittance material position switch technical field, concretely is a kind of bipolar radio frequency admittance material position switch. BACKGROUND

[0002] Radio frequency admittance material position switch is replaced with more advanced radio frequency admittance technology to solve the problem of material adhesion, compared with other similar products, it has higher system stability, even in extreme adverse conditions, it can also work reliably, and is not affected by hanging material, temperature, pressure, density, humidity, even material chemical property change, reliable performance, widely used in ash, mortar, cement clinker, coal powder and other medium material level measurement, radio frequency admittance material position switch mainly includes body, telescopic rod and detection end.

[0003] However, the existing radio frequency admittance material position switch has the following problems in the process of use: (1) the connection mode of the body and the lower end telescopic rod is relatively fixed, and a bolt tightening fixed mode is usually used, when the telescopic rod is replaced, it is inconvenient to disassemble and assemble; (2) the telescopic rod of the radio frequency admittance material position switch is designed as a multi-section structure, which is easy to cause leakage at the connection of each part, and when some liquid is detected, the liquid is easy to enter the body. Therefore, it is necessary to design a corresponding technical scheme to solve the existing technical problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of bipolar radio frequency admittance material position switch, solve the connection mode of the body and the lower end telescopic rod is relatively fixed, and a bolt tightening fixed mode is usually used, when the telescopic rod is replaced, it is inconvenient to disassemble and assemble, this technical problem.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of bipolar radio frequency admittance material position switch, including radio frequency admittance material position switch, the radio frequency admittance material position switch is three-section structure and is respectively switch body, telescopic rod and detection head, the bottom of the switch body is equipped with movable locking head, the movable locking head includes installation cylinder with through hole in the inside and four sets of locking buckles installed on the installation cylinder, the upper end of the installation cylinder is evenly provided with four sets of notches and the middle part is fixed with outer ring, the upper end of four sets of locking buckles is located in the notch and the middle part is movably connected with outer ring, the telescopic rod is symmetrically inserted into the through hole and the end part is evenly provided with four sets of positioning holes matched with locking buckles, the telescopic rod is two-section structure and is provided with sealing sleeve in the middle part, the detection head is installed at the end of telescopic rod.

[0006] As a preferred embodiment of the utility model, the middle part of the installation cylinder is processed into handle groove and the diameter of both ends is larger than the diameter of the middle part.

[0007] As a preferred embodiment of the present invention, the locking buckle includes a card block inserted in the slot and a pressure plate fixed at the lower end of the card block in an inclined shape, a connecting rod is inserted at the connection between the card block and the pressure plate, both ends of the connecting rod are inserted in the outer ring and a torsion spring is installed at the connection between the end and the outer ring.

[0008] As a preferred embodiment of the present invention, a metal spring is fixed to the inner end of the clamping block in an inclined shape, a positioning rod is fixed to the inner side of the metal spring, and the positioning rod is inserted into the positioning hole.

[0009] As a preferred embodiment of the present invention, the middle portion of the sealing sleeve is in a spherical structure and both ends are fixed to the telescopic rod. The sealing sleeve is made of rubber material and has a wavy texture structure on its surface.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0011] 1. This solution improves the structure of the bipolar RF admittance level switch. A movable locking head is provided at the connection between the body and the telescopic rod, which facilitates installation and disassembly between the body and the telescopic rod. The operation is simple and no tools are required during the disassembly process.

[0012] 2. In this solution, a sealing jacket is provided between each part of the telescopic rod, which can achieve better sealing at the connection between each part of the telescopic rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the overall structural diagram of the utility model;

[0014] Figure 2 This is a structural diagram of the movable locking head of the utility model;

[0015] Figure 3 This is a structural diagram of the locking buckle described in the utility model;

[0016] Figure 4 This is a cross-sectional view of the end portion of the telescopic rod of the utility model;

[0017] Figure 5 This is a partial A structural diagram of the present utility model.

[0018] In the figure: 1. Switch body; 2. Telescopic rod; 3. Detection head; 4. Through-hole; 5. Mounting tube; 6. Locking buckle; 7. Notch; 9. Outer ring; 10. Positioning hole; 11. Sealing sleeve; 12. Handle groove; 13. Block; 14. Pressure plate; 15. Connecting rod; 16. Torsion spring; 17. Metal shrapnel; 18. Positioning rod. DETAILED DESCRIPTION

[0019] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of the utility model protection.

[0020] Please refer to Figures 1-5 The utility model provides a technical scheme: a kind of bipolar radio frequency admittance material position switch, radio frequency admittance material position switch is three-segment structure and is respectively switch body 1, telescopic rod 2 and detection head 3, the bottom of switch body 1 is equipped with movable locking head, movable locking head includes the installation cylinder 5 being internally provided with through hole 4 and four groups of locking buckle 6 being installed on installation cylinder 5, the upper end of installation cylinder 5 is uniformly provided with four groups of notched 7 and middle part is fixed with outer ring 9, the upper end of four groups of locking buckle 6 is located in notched 7 and middle part is movably connected with outer ring 9, telescopic rod 2 is symmetrically inserted in through hole 4 and the end is uniformly provided with four groups of positioning hole 10 for cooperating locking buckle 6, telescopic rod 2 is two-segment structure and is provided with sealing sleeve 11 in middle part, detection head 3 is installed in the end of telescopic rod 2.

[0021] Further improvement, as shown in Figure 2 : the middle part of installation cylinder 5 is formed with handle groove 12 and the diameter of both ends is greater than the diameter of middle part.

[0022] Further improvement, as shown in Figure 2 And 3 : locking buckle 6 includes clamping block 13 inserted in notched 7 and pressing plate 14 fixed to the lower end of clamping block 13 in an inclined manner, connecting rod 15 is inserted in the connecting portion of clamping block 13 and pressing plate 14, torsion spring 16 is installed at the connecting portion of both ends of connecting rod 15 and outer ring 9, and the end of outer ring 9, staff can rotate clamping block 13 around connecting rod 15 by pressing pressing plate 14, make clamping block 13 separate from notched 7, and make positioning rod 18 separate from positioning hole 10, so as to achieve the purpose of disassembling telescopic rod 2.

[0023] Further improvement, as shown in Figure 2 : the inner end of clamping block 13 is fixed with metal spring 17 in an inclined manner, positioning rod 18 is fixed to the inner side of metal spring 17, positioning rod 18 is inserted in positioning hole 10, metal spring 17 is in contact with positioning rod 18 and makes positioning rod 18 correspondingly inserted in positioning hole 10, so as to achieve the purpose of fixing the end of telescopic rod 2.

[0024] Specifically, the middle part of the sealing sleeve 11 is a spherical structure and both ends are fixed to the telescopic rod 2. The sealing sleeve 11 is made of rubber material and has a wavy texture structure on the surface. This design can achieve better sealing at the connection points of the various parts of the telescopic rod 2.

[0025] During use: When the telescopic rod 2 needs to be disassembled and replaced, the operator presses down the pressure plate 14 to rotate the upper card plate 13 with the connecting rod 15 as the center, and disengages the block 13 from the notch 7, and disengages the positioning rod 18 from the positioning hole 10, so as to achieve the purpose of disassembling the telescopic rod 2, and re-insert the replacement telescopic rod into the through-opening 4 and insert the positioning rod 18 into the positioning hole 10, so as to achieve the purpose of fixing the end of the telescopic rod 2. In addition, a sealing sleeve 11 is designed on the telescopic rod 2 to achieve a better sealing purpose at the connection.

[0026] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A bipolar radio frequency admittance material level switch, comprising a radio frequency admittance material level switch, characterized in that: The radio frequency admittance material level switch is a three-section structure and comprises a switch body (1), a telescopic rod (2) and a detection head (3). A movable locking head is installed at the bottom of the switch body (1). The movable locking head comprises a mounting tube (5) with a through-hole (4) opened inside and four groups of locking buckles (6) installed on the mounting tube (5). The upper end of the mounting tube (5) is evenly provided with four groups of notches (7) and an outer ring (9) is fixed in the middle. The upper ends of the four groups of locking buckles (6) are located in the notches (7) and the middle parts are movably connected to the outer ring (9). The telescopic rod (2) is symmetrically inserted in the through-hole (4) and four groups of positioning holes (10) for cooperating with the locking buckles (6) are evenly opened at the end. The telescopic rod (2) is a two-section structure and a sealing jacket (11) is provided in the middle. The detection head (3) is installed at the end of the telescopic rod (2).

2. A bipolar radio frequency admittance level switch according to claim 1, characterized in that: The middle portion of the installation cylinder (5) is machined to have a handle groove (12), and the diameters at both ends are larger than the diameter of the middle portion.

3. A bipolar radio frequency admittance level switch according to claim 1, characterized in that: The locking buckle (6) includes a block (13) inserted into the slot (7) and a pressure plate (14) fixed at the lower end of the block (13) in an inclined shape. A connecting rod (15) is inserted into the connection between the block (13) and the pressure plate (14). Both ends of the connecting rod (15) are inserted into the outer ring (9), and a torsion spring (16) is installed at the connection between the end and the outer ring (9).

4. A bipolar radio frequency admittance level switch according to claim 3, characterized in that: A metal spring (17) is fixed to the inner end of the clamping block (13) in an inclined shape, and a positioning rod (18) is fixed to the inner side of the metal spring (17), and the positioning rod (18) is inserted into the positioning hole (10).

5. The bipolar radio frequency admittance level switch according to claim 1, characterized in that: The middle portion of the sealing sleeve (11) is in a spherical structure and both ends are fixed on the telescopic rod (2). The sealing sleeve (11) is made of rubber material and has a wavy texture structure on its surface.

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