Corrosion-resistant bimetal thermometer

Abstract

The utility model discloses a corrosion-resistant bimetal thermometer, which belongs to the technical field of bimetal thermometers and comprises an instrument head, a measuring rod is fixedly mounted in the middle of the lower end of the instrument head, and a sleeving ring is mounted on the measuring rod. A first stop block and a second stop block are fixedly installed at the lower end and the side edge of the sleeving ring correspondingly, positioning holes are formed in the first stop block and the second stop block correspondingly, and a protection locking component is installed at the lower end of the sleeving ring and used for conducting anti-corrosion protection on the measuring rod. And the connection stability of the bimetal thermometer and the pipeline interface is improved. According to the corrosion-resistant bimetal thermometer, the protective cover is arranged outside the metal rod, and when the metal rod is not used, the metal rod is isolated from the outside through the protective cover, so that the metal rod is prevented from being influenced by factors such as external moisture and the like to be corroded, and meanwhile, the stability of connection between the bimetal thermometer and the pipe body can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bimetallic thermometer technical field, concretely is a kind of corrosion-resistant bimetallic thermometer. BACKGROUND

[0002] Bimetallic thermometer is a kind of on-site detection instrument suitable for measuring low temperature, its temperature measurement range is-80 ℃~+500 ℃ (part model can reach +600 ℃), it can directly measure the temperature of liquid, steam and gas medium in various production processes, with intuitive, convenient, safe and reliable characteristics.

[0003] Such as announcement number for: CN220729485U a bimetallic thermometer, including degree disc, fixed in the temperature measuring probe rod of degree disc bottom, temperature measuring probe rod is fixedly connected with outer sleeve body, outer sleeve body surface is equipped with outer thread, inner thread sleeve is threadedly connected on outer sleeve body, inner thread is equipped with inner thread in inner thread sleeve, inner thread is adapted to outer thread, the fixed frame is fixedly connected in both ends of inner thread sleeve, the sliding block is slidably connected in fixed frame.In the utility model, first, inner thread sleeve is installed on outer sleeve body, then two clamping rings are arranged on the two sides of pipe interface, the screw rod on both sides is rotated, the sliding block is moved, the sliding block drives the movement of clamping ring, clamping ring is abutted with the sidewall of pipe interface, at this moment, the clamping ring on both sides is clamped and fixed on interface, realizes the installation purpose of this thermometer;

[0004] Among them, the existing technology has the following technical problems: the existing bimetallic thermometer is locked between the bimetallic thermometer and the pipe body through the installation structure thereon when in use, but the metal rod thereon is in an exposed state when the bimetallic thermometer is not in use, and the metal rod body is prone to corrosion or rust when the metal rod is in an exposed state for a long time.

[0005] Therefore, we propose a corrosion-resistant bimetallic thermometer to solve the problems raised in the above. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a corrosion-resistant bimetallic thermometer to solve the problem that the existing bimetallic thermometer on the market is locked between the bimetallic thermometer and the pipe body through the installation structure thereon when in use, but the metal rod thereon is in an exposed state when the bimetallic thermometer is not in use, and the metal rod body is prone to corrosion or rust when the metal rod is in an exposed state for a long time.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of corrosion-resistant bimetallic thermometer, including instrument head, the lower end middle part of the instrument head is fixedly installed with measuring rod, and measuring rod is installed with sleeve joint ring, further including: the lower end and side of the sleeve joint ring are fixedly installed with first stop block and second stop block, and the positioning hole is set in first stop block and second stop block, the lower end of the sleeve joint ring is installed with protective locking component, and the protective locking component is used to prevent corrosion protection to measuring rod, and improve the stability of bimetallic thermometer and pipeline interface connection.

[0008] Preferably, the first stop block and the second stop block are vertically distributed, and the positioning holes on the first stop block and the second stop block have equal diameters.

[0009] By adopting the above technical scheme, the first stop block and the second stop block are connected to the protective locking component.

[0010] Preferably, the protective locking component includes a protective cover, a plugging block, a limiting block, a plug-in rod, an auxiliary spring, an adjusting screw, and a rubber pad, the protective cover is located below the sleeve joint ring, the plugging block is installed on the inner side of the lower end of the protective cover, the limiting block is fixedly installed on the outer side of the protective cover, the plug-in rod is inserted into the limiting block, the plug-in rod is connected to the limiting block through the auxiliary spring, the plugging block is installed on the adjusting screw, the adjusting screw is installed in the protective cover, and the rubber pad is fixedly installed on the side of the plugging block facing the center of the protective cover.

[0011] By adopting the above technical scheme, the plug-in rod can be reset and rebound after moving on the limiting block due to the auxiliary spring.

[0012] Preferably, the protective cover is symmetrically arranged about the transverse central axis of the sleeve joint ring, and the cross section of the protective cover is arranged in a "U" shape.

[0013] By adopting the above technical scheme, the measuring rod can be shielded and protected during use by the two symmetrically distributed protective covers.

[0014] Preferably, the outer wall of the plugging block and the inner wall of the protective cover are in close contact, and the plugging block and the protective cover are in sliding connection.

[0015] By adopting the above technical scheme, the stability of the plugging block when moving in the protective cover can be improved by the close contact between the outer wall of the plugging block and the inner wall of the protective cover.

[0016] Preferably, the plug-in rod and the limiting block are in sliding connection, and the end outer wall of the plug-in rod and the inner wall of the positioning hole are in close contact.

[0017] By adopting the technical scheme, the end outer wall of the plug-in rod and the inner wall of the positioning hole are mutually attached, so that the plug-in rod can be prevented from shaking inside the positioning hole.

[0018] Preferably, the plugging block and the adjusting screw rod are in threaded connection.

[0019] By adopting the technical scheme, the threaded connection plugging block can be moved by rotating the adjusting screw rod.

[0020] Compared with the prior art, the beneficial effects of the utility model are that the corrosion-resistant bimetallic thermometer is provided with protective covers outside the metal rods, the metal rods are isolated from the outside world by the protective covers when not in use, corrosion of the metal rods caused by external moisture and other factors is prevented, and the stability of the connection between the bimetallic thermometer and the pipe body is improved.

[0021] 1. The protective cover is arranged, and in the initial state, the two protective covers are combined and arranged below the sleeve ring, so that the two protective covers protect the measuring rod when not in use, and prevent the measuring rod from being corroded by external factors after being exposed to the outside for a long time.

[0022] 2. The plug-in rod is arranged, the plug-in rod is pulled to the outside of the first block, the plug-in rod and the positioning hole on the first block are separated from each other, so that the fixing between the protective cover and the sleeve ring is released, and the measuring rod is exposed and connected to the external pipe interface.

[0023] 3. The plugging block is arranged, the inside of the protective cover is sealed by the arrangement of the plugging block at the bottom of the protective cover, and the protection effect of the protective cover on the measuring rod is improved.

[0024] 4. The adjusting screw rod is arranged, when the thermometer and the pipe interface are connected to each other, the protective cover and the measuring rod are vertically placed, the plug-in rod is inserted into the positioning hole on the second block, the position of the protective cover is fixed, the adjusting screw rod is rotated, the threaded connection plugging block is moved, the pipe interface is abutted by the movement of the plugging block, the plugging block is clamped and fixed on the interface, and the stability during installation of the thermometer is improved.

[0025] 5. The rubber pad is arranged, when the plugging block of the adjusting screw rod is abutted with the pipe interface, the rubber pad on the plugging block can clamp and buffer the pipe interface, and abrasion of the pipe interface caused by excessive clamping force is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a front perspective structure schematic view of the utility model;

[0027] Figure 2 It is an instrument head and measuring rod structure schematic view of the utility model;

[0028] Figure 3 This is a schematic diagram of the structure of the protective cover and the blocking block of the utility model;

[0029] Figure 4 This is a schematic structural diagram of the sleeve ring and the first stopper of the utility model;

[0030] Figure 5 This is a schematic diagram of the protective cover and limit block structure of the utility model;

[0031] Figure 6 This is a schematic diagram of the structure of the sealing block and rubber pad of the utility model;

[0032] Figure 7 For this utility model Figure 6 Enlarged structural diagram at point A in the middle.

[0033] In the figure: 1. Instrument head; 2. Measuring rod; 3. Socket ring; 4. First stopper; 5. Second stopper; 6. Positioning hole; 7. Protective locking component; 701. Protective cover; 702. Blocking block; 703. Limit block; 704. Connecting rod; 705. Auxiliary spring; 706. Adjusting screw; 707. Rubber pad. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] Example 1: Please refer to Figure 1-Figure 7, the existing bimetallic thermometer is locked between the bimetallic thermometer and the pipe body through the mounting structure thereon when in use, but the metal rod thereon is in an exposed state when the bimetallic thermometer is not in use, and the metal rod is prone to corrosion or rusting when in the exposed state for a long time. To solve the technical problem, the embodiment discloses the following technical content, a corrosion-resistant bimetallic thermometer, comprising a instrument head 1, a measuring rod 2 is fixedly installed at the lower middle part of the instrument head 1, and a sleeve ring 3 is installed on the measuring rod 2, further comprising: a first stop block 4 and a second stop block 5 are fixedly installed at the lower end and the side of the sleeve ring 3 respectively, and a positioning hole 6 is formed in each of the first stop block 4 and the second stop block 5, a protective locking component 7 is installed at the lower end of the sleeve ring 3, the protective locking component 7 is used for corrosion protection of the measuring rod 2 and improving the stability of the connection between the bimetallic thermometer and the pipeline interface. And a protective cover 701 is located below the sleeve ring 3, a plugging block 702 is installed at the lower end of the protective cover 701, a limiting block 703 is fixedly installed on the outer side of the protective cover 701, a plug-in rod 704 is inserted into the limiting block 703, the plug-in rod 704 is connected with the limiting block 703 through an auxiliary spring 705, the protective cover 701 is symmetrically arranged about the transverse middle axis of the sleeve ring 3, and the cross section of the protective cover 701 is arranged in a "U" shape. The plug-in rod 704 and the limiting block 703 are in sliding connection, and the end outer wall of the plug-in rod 704 and the inner wall of the positioning hole 6 are in close contact.

[0036] In the initial state, the symmetrically distributed protective cover 701 is located below the sleeve ring 3, and the measuring rod 2 can be isolated and protected by the symmetrically distributed protective cover 701, so as to avoid corrosion caused by external environmental factors when the measuring rod 2 is exposed for a long time without detection. When the bimetallic thermometer needs to be connected with the pipeline, the plug-in rod 704 is pulled out of the limiting block 703, so that the inner end of the plug-in rod 704 is separated from the positioning hole 6 on the first stop block 4, thereby releasing the fixation between the protective cover 701 and the first stop block 4, and the protective cover 701 can be easily removed from below the sleeve ring 3, so that the measuring rod 2 can be normally inserted into the pipeline for installation and use.

[0037] Embodiment two: the embodiment is further improved on the basis of the above-mentioned embodiment one, and the following technical content is disclosed in the embodiment, the first stop block 4 and the second stop block 5 are vertically distributed, and the diameters of the positioning holes 6 on the first stop block 4 and the second stop block 5 are equal. The plugging block 702 is installed on the adjusting screw 706, and the adjusting screw 706 is installed in the interior of the protective cover 701, the outer wall of the plugging block 702 and the inner wall of the protective cover 701 are in close contact, and the plugging block 702 and the protective cover 701 are in sliding connection. The plugging block 702 and the adjusting screw 706 are in threaded connection.

[0038] After the protective cover 701 is removed from the first stopper 4, the insertion rod 704 is continuously pulled to the outside of the limiting block 703, then the protective cover 701 is horizontally placed on the second stopper 5, the insertion rod 704 is loosened, and the insertion rod 704 is reset and bounces back under the action of the auxiliary spring 705, the reset insertion rod 704 is inserted into the positioning hole 6 on the second stopper 5, thereby fixing the protective cover 701, after the measuring rod 2 is inserted into the pipeline, the adjusting screw 706 is rotated, the sealing block 702 connected by screwing is moved towards the pipeline interface, the sealing block 702 is abutted with the pipeline interface through the movement, the pipeline interface is clamped and fixed by the sealing block 702, and the stability of the connection between the bimetallic thermometer and the pipeline is improved.

[0039] Embodiment three: the embodiment is further improved on the basis of the above-mentioned embodiment one and embodiment two, and the following technical content is disclosed in the embodiment, the rubber pad 707 is fixedly installed on the side of the sealing block 702 towards the center of the protective cover 701.

[0040] When the adjusting screw 706 is rotated to abut the sealing block 702 with the pipeline interface, the rubber pad 707 on the sealing block 702 is elastically deformed, the elastic deformation of the rubber pad 707 after being contacted with the pipeline interface can clamp and buffer, so that the clamping force of the sealing block 702 on the pipeline interface is not too large, and the pipeline interface is not abraded.

[0041] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0042] Although the utility model is described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can be modified or some technical features can be replaced by equivalents for the person skilled in the art, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A corrosion-resistant bimetallic thermometer, comprising an instrument head (1), a measuring rod (2) fixedly mounted at the middle portion of the lower end of the instrument head (1), and a sleeve ring (3) mounted on the measuring rod (2), characterized in that: Also includes: A first stopper (4) and a second stopper (5) are fixedly mounted on the lower end and the side of the sleeve ring (3), respectively, and positioning holes (6) are provided on the first stopper (4) and the second stopper (5). A protective locking component (7) is mounted on the lower end of the sleeve ring (3), and the protective locking component (7) is used to protect the measuring rod (2) from corrosion and improve the stability of the connection between the bimetallic thermometer and the pipeline interface.

2. A corrosion-resistant bimetallic thermometer according to claim 1, characterized in that: The first stopper (4) and the second stopper (5) are vertically distributed, and the positioning holes (6) on the first stopper (4) and the second stopper (5) have the same aperture.

3. The corrosion-resistant bimetallic thermometer according to claim 1, characterized in that: The protective locking component (7) comprises a protective cover (701), a blocking block (702), a limiting block (703), a plug rod (704), an auxiliary spring (705), an adjusting screw (706) and a rubber pad (707), and the protective cover (701) is located below the sleeve ring (3), the blocking block (702) is installed on the inner side of the lower end of the protective cover (701), and the limiting block (703) is fixedly installed on the outer side of the protective cover (701), the plug rod (704) is inserted into the limiting block (703), and the plug rod (704) and the limiting block (703) are connected to each other through the auxiliary spring (705), the blocking block (702) is installed on the adjusting screw (706), and the adjusting screw (706) is installed through the interior of the protective cover (701), and the rubber pad (707) is fixedly installed on the side of the blocking block (702) facing the center of the protective cover (701).

4. A corrosion-resistant bimetallic thermometer according to claim 3, characterized in that: The protective cover (701) is symmetrically arranged about the transverse center axis of the sleeve ring (3), and the cross section of the protective cover (701) is arranged in a "U"-shaped structure.

5. The corrosion-resistant bimetallic thermometer according to claim 3, characterized in that: The outer wall of the blocking block (702) and the inner wall of the protective cover (701) are in contact with each other, and the blocking block (702) and the protective cover (701) are in sliding connection.

6. The corrosion-resistant bimetallic thermometer according to claim 3, characterized in that: The plug-in rod (704) and the limiting block (703) are slidably connected, and the outer wall of the end of the plug-in rod (704) fits in contact with the inner wall of the positioning hole (6).

7. The corrosion-resistant bimetallic thermometer according to claim 3, characterized in that: The blocking block (702) and the adjusting screw (706) are threadedly connected.

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