Marine pressure gauge connector device

Abstract

The utility model relates to the technical field of pressure gauges, and discloses a marine pressure gauge connector device which comprises a gauge head, a connecting column is fixedly arranged at the bottom of the gauge head, a threaded rod is fixedly arranged at the bottom of the connecting column, an inner threaded sleeve is in threaded connection with the outer side of the threaded rod, and a sliding limiting pipe is in sliding connection with the outer wall of the connecting column. Limiting pieces are symmetrically arranged on the inner wall of the sliding limiting pipe, first limiting grooves are formed in the positions, corresponding to the limiting pieces, of the outer wall of the internal thread sleeve, the limiting pieces are clamped in the first limiting grooves in a sliding mode, and the limiting pieces are specifically limiting sliding blocks. According to the utility model, the threaded rod and the meter head are limited through the combined action of the second limiting groove, the limiting piece and the first limiting groove, and the meter head and the threaded rod are prevented from rotating relative to the internal thread sleeve to a certain extent, so that the probability that the meter head is loosened due to bumping after being mounted is reduced, and the normal use of the meter head is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure gauge technical field especially relates to a marine pressure gauge joint device. BACKGROUND

[0002] Marine pressure gauge refers to spring tube as measuring element, is used for marine, offshore equipment mechanical pointer type pressure measuring instrument. Marine shockproof pressure gauge is applicable to the ship and related equipment, measures not to explode, does not crystallize, does not solidify, and copper (alloy) and tin lead solder has no corrosive effect liquid, gas and other fluid medium positive pressure, negative pressure or positive and negative pressure.

[0003] Since the pressure gauge is installed in the ship body, in the process of ship sailing, due to the influence of sea waves, the ship body will be tossed, at this time, the pressure gauge installed in the ship body will inevitably vibrate, since the pressure gauge is generally screwed on the internal thread pipe of the ship body, therefore, in the process of vibration, the pressure gauge is easy to rotate relative to the internal thread sleeve of the ship body to a certain extent, due to the above situation, the pressure gauge is easy to loosen in a long time sailing, and it will fall off from the internal thread sleeve of the ship body in serious cases, affecting the normal use of the pressure gauge. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a marine pressure gauge joint device, which aims at improving the problem that the pressure gauge is easy to loosen after installation.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a marine pressure gauge joint device, comprising a gauge head, a connecting column is fixedly arranged at the bottom of the gauge head, a threaded rod is fixedly arranged at the bottom of the connecting column, an internal thread sleeve is threadedly connected to the outer side of the threaded rod, a sliding limiting pipe is slidably connected to the outer wall of the connecting column, limit pieces are symmetrically arranged on the inner wall of the sliding limiting pipe, a first limiting groove is formed in the position corresponding to the limit piece on the outer wall of the internal thread sleeve, and the limit piece is slidably clamped in the first limiting groove.

[0006] Preferably, the limit piece is a limit sliding block, the limit sliding block is symmetrically fixedly connected to the inner wall of the sliding limiting pipe, and the limit sliding block and the first limiting groove are mutually adapted.

[0007] Preferably, second limiting grooves are symmetrically formed in the front and back of the connecting column, the top and bottom of the second limiting groove are in open structure, the limit sliding block and the second limiting groove are mutually adapted, and the limit sliding block and the second limiting groove are slidably connected.

[0008] Preferably, the length of the first limiting groove is less than the length of the limit sliding block, and the length of the limit sliding block is equal to the height of the sliding limiting pipe.

[0009] Preferably, the inner threaded sleeve outer wall is fixedly provided with a stop ring below the first limiting groove, the top of the stop ring is fixedly provided with a first annular magnetic sheet, and the top of the first annular magnetic sheet is flush with the bottom of the first limiting groove.

[0010] Preferably, the sliding limiting tube bottom is fixedly provided with a second annular magnetic sheet at a position corresponding to the first annular magnetic sheet, and the polarity of the second annular magnetic sheet is opposite to that of the first annular magnetic sheet.

[0011] Preferably, the two sides of the limiting sliding block are fixedly provided with second elastic protruding strips, and the two sides of the inner wall of the first limiting groove are fixedly provided with first elastic protruding strips.

[0012] Preferably, the edge of the front of the meter head is provided with a dustproof protruding ring protruding beyond the front of the meter head, and the top of the inner threaded sleeve is provided with a positioning fluorescent strip flush with the top of the inner threaded sleeve.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the second limiting groove, the limiting piece and the first limiting groove jointly limit the threaded rod and the meter head, which prevents the meter head and the threaded rod from rotating relative to the inner threaded sleeve to some extent, thereby reducing the probability of loosening of the meter head after installation due to jolting and ensuring normal use of the meter head.

[0015] 2. In the utility model, the second annular magnetic sheet gradually contacts and is attracted to the first annular magnetic sheet, thereby limiting the sliding limiting tube, reducing the probability of up-and-down movement of the sliding limiting tube, improving the stability of the sliding limiting tube, and thereby reducing the probability of rotation of the meter head and the threaded rod relative to the inner threaded sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A structural schematic view of a marine pressure gauge connector device is provided for the utility model;

[0017] Figure 2 A connection structure schematic view of a meter head and a threaded rod of a marine pressure gauge connector device is provided for the utility model;

[0018] Figure 3 A structural schematic view of a marine pressure gauge connector device after installation of a meter head is provided for the utility model;

[0019] Figure 4 A position schematic view of a limiting sliding block of a marine pressure gauge connector device is provided for the utility model;

[0020] Figure 5The utility model provides a marine pressure gauge joint device first limit slot's position schematic drawing.

[0021] Legend:

[0022] 1, gauge head; 2, threaded rod; 3, connecting column; 4, sliding limit tube; 5, limit sliding block; 6, internally threaded sleeve; 7, first limit slot; 8, second limit slot; 9, blocking ring; 10, first annular magnetic sheet; 11, second annular magnetic sheet; 12, positioning fluorescent strip; 13, first elastic protruding strip; 14, second elastic protruding strip; 15, dust protruding ring. Specific embodiments

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the specification of the utility model. Obviously, the described embodiments are only 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 those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Reference Figures 1-3 An embodiment provided by the utility model: a marine pressure gauge joint device, including gauge head 1, the bottom of gauge head 1 is fixedly provided with connecting column 3, the bottom of connecting column 3 is fixedly provided with threaded rod 2, the outer side of threaded rod 2 is threadedly connected with internally threaded sleeve 6, one side of internally threaded sleeve 6 is connected with the ship body, the outer wall of connecting column 3 is slidably connected with sliding limit tube 4, the inner wall of sliding limit tube 4 is symmetrically provided with limit piece, the position corresponding to limit piece at the outer wall of internally threaded sleeve 6 is provided with first limit slot 7, limit piece is slidably clamped in the inside of first limit slot 7, the position corresponding to limit sliding block 5 at the outer wall of connecting column 3 is provided with second limit slot 8.

[0025] When threaded rod 2 is screwed and fastened in the inside of internally threaded sleeve 6, the position of limit piece corresponds to first limit slot 7, at this time, sliding limit tube 4 can be pushed down, sliding limit tube 4 drives limit piece to gradually slide in the inside of second limit slot 8, and a part of the bottom of limit piece gradually slides to the inside of first limit slot 7, when sliding to a certain position, the bottom of limit piece is in contact with the bottom of the inner wall of first limit slot 7, at this time, the upper half of limit piece is located in the inside of second limit slot 8, and the lower half of limit piece is located in the inside of first limit slot 7, thereby the common action of second limit slot 8, limit piece and first limit slot 7 limits threaded rod 2 and gauge head 1, to a certain extent, prevent gauge head 1 and threaded rod 2 from rotating relative to internally threaded sleeve 6, thereby reducing the probability of loosening due to jolt after the installation of gauge head 1, guaranteeing the normal use of gauge head 1.

[0026] Reference Figure 4The limiting member is specifically a limiting sliding block 5, which is symmetrically and fixedly connected to the inner wall of the sliding limiting tube 4, and the limiting sliding block 5 is matched with the first limiting groove 7.

[0027] When the sliding limiting tube 4 is pushed downward, a part of the bottom of the limiting sliding block 5 gradually slides into the inside of the first limiting groove 7, and when sliding to a certain position, the bottom of the limiting sliding block 5 is in contact with the bottom of the inner wall of the first limiting groove 7, at this time, the upper half of the limiting sliding block 5 is located in the inside of the second limiting groove 8, and the lower half of the limiting sliding block 5 is located in the inside of the first limiting groove 7, thereby limiting the screw rod 2 and the dial head 1 through the joint action of the second limiting groove 8, the limiting sliding block 5 and the first limiting groove 7, to a certain extent, preventing the dial head 1 and the screw rod 2 from rotating relative to the inner threaded sleeve 6, thereby reducing the probability of loosening of the dial head 1 after installation due to jolting, and ensuring the normal use of the dial head 1.

[0028] Referring to Figure 5 The front surface and the back surface of the connecting column 3 are symmetrically provided with the second limiting groove 8, the top and the bottom of the second limiting groove 8 are in open structure, the limiting sliding block 5 is matched with the second limiting groove 8, and the limiting sliding block 5 is slidingly connected with the second limiting groove 8.

[0029] When the sliding limiting tube 4 is pushed downward, the sliding limiting tube 4 drives the limiting sliding block 5 to slide in the inside of the second limiting groove 8, so that the limiting sliding block 5 can slide into the inside of the first limiting groove 7 through the second limiting groove 8.

[0030] Referring to Figure 4 The length of the first limiting groove 7 is less than the length of the limiting sliding block 5, and the length of the limiting sliding block 5 is equal to the height of the sliding limiting tube 4.

[0031] When the limiting sliding block 5 slides to a certain position in the inside of the first limiting groove 7 and the second limiting groove 8, the upper half of the limiting sliding block 5 is located in the inside of the second limiting groove 8, the lower half of the limiting sliding block 5 is located in the inside of the first limiting groove 7, and the bottom of the limiting sliding block 5 is in contact with the bottom in the inside of the first limiting groove 7, thereby limiting the screw rod 2 and the dial head 1 through the joint action of the second limiting groove 8, the limiting sliding block 5 and the first limiting groove 7, to a certain extent, preventing the dial head 1 and the screw rod 2 from rotating relative to the inner threaded sleeve 6, thereby reducing the probability of loosening of the dial head 1 after installation due to jolting, and ensuring the normal use of the dial head 1.

[0032] Referring to Figure 4 and Figure 5The outer wall of the inner threaded sleeve 6 is fixedly provided with a baffle ring 9 below the first limiting groove 7, the top of the baffle ring 9 is fixedly provided with a first annular magnetic sheet 10, the top of the first annular magnetic sheet 10 is flush with the bottom of the first limiting groove 7, the bottom of the sliding limiting tube 4 is fixedly provided with a second annular magnetic sheet 11 at a position corresponding to the first annular magnetic sheet 10, and the polarity of the second annular magnetic sheet 11 is opposite to that of the first annular magnetic sheet 10.

[0033] When the sliding limiting tube 4 slides downward, the second annular magnetic sheet 11 at the bottom of the sliding limiting tube 4 gradually contacts and is attracted to the first annular magnetic sheet 10, thereby limiting the sliding limiting tube 4, reducing the probability of the sliding limiting tube 4 moving up and down, and improving the stability of the sliding limiting tube 4, thereby reducing the probability of the head 1 and the threaded rod 2 rotating relative to the inner threaded sleeve 6.

[0034] Referring to Figure 4 The two sides of the limiting sliding block 5 are fixedly provided with second elastic protruding strips 14, and the two sides of the inner wall of the first limiting groove 7 are fixedly provided with first elastic protruding strips 13.

[0035] When the limiting sliding block 5 slides to the inside of the first limiting groove 7, the second elastic protruding strips 14 and the first elastic protruding strips 13 contact and deform each other, thereby making the insertion of the limiting sliding block 5 in the first limiting groove 7 more secure, reducing the probability of the limiting sliding block 5 moving vertically with the sliding limiting tube 4, and to some extent, avoiding the limiting sliding block 5 from being separated from the inside of the first limiting groove 7.

[0036] Referring to Figure 1 The edge of the front surface of the head 1 is provided with a dustproof protruding ring 15 protruding beyond the front surface of the head 1, the top of the inner threaded sleeve 6 is provided with a positioning fluorescent strip 12, and the top of the positioning fluorescent strip 12 is flush with the top of the inner threaded sleeve 6.

[0037] When the threaded rod 2 is screwed in a dim environment, the position of the threaded hole of the inner threaded sleeve 6 is determined by the positioning fluorescent strip 12 emitting fluorescence, which is more convenient for screwing the threaded rod 2 into the inner threaded sleeve 6 in a dim environment.

[0038] Working principle: when installing the pressure gauge, the threaded rod 2 at the bottom of the gauge head 1 is screwed into the inner threaded sleeve 6, when screwed tightly, the position of the limiting slider 5 corresponds to the first limiting groove 7, at this time the sliding limiting tube 4 can be pushed down, the sliding limiting tube 4 drives the limiting slider 5 to gradually slide in the second limiting groove 8, and a part of the bottom of the limiting slider 5 gradually slides into the first limiting groove 7, when sliding to a certain position, the bottom of the limiting slider 5 is in contact with the bottom of the inner wall of the first limiting groove 7, at this time the upper half of the limiting slider 5 is located in the second limiting groove 8, and the lower half of the limiting slider 5 is located in the first limiting groove 7, thereby limiting the threaded rod 2 and the gauge head 1 through the combined action of the second limiting groove 8, the limiting slider 5 and the first limiting groove 7, to a certain extent, preventing the gauge head 1 and the threaded rod 2 from rotating relative to the inner threaded sleeve 6.

[0039] When the sliding limiting tube 4 slides downward, the second annular magnetic sheet 11 at the bottom of the sliding limiting tube 4 gradually contacts and is attracted to the first annular magnetic sheet 10, thereby limiting the sliding limiting tube 4 and reducing the probability of the sliding limiting tube 4 moving up and down.

[0040] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A marine pressure gauge connector device, comprising a gauge head (1), characterized in that: A connecting post (3) is fixedly provided at the bottom of the meter head (1), and a threaded rod (2) is fixedly provided at the bottom of the connecting post (3). An internal threaded sleeve (6) is threadedly connected to the outer side of the threaded rod (2). A sliding limiting tube (4) is slidably connected to the outer wall of the connecting post (3). Limiting components are symmetrically provided on the inner wall of the sliding limiting tube (4). A first limiting groove (7) is opened at the position corresponding to the limiting component on the outer wall of the internal threaded sleeve (6). The limiting component is slidably locked inside the first limiting groove (7).

2. The marine pressure gauge connector device according to claim 1, characterized in that: The limiting component is specifically a limiting slider (5), which is symmetrically fixedly connected to the inner wall of the sliding limiting tube (4), and the limiting slider (5) is adapted to the first limiting groove (7).

3. The marine pressure gauge connector device according to claim 2, characterized in that: The connecting column (3) has a second limiting groove (8) symmetrically opened on the front and back sides. The top and bottom of the second limiting groove (8) are open. The limiting slider (5) is adapted to the second limiting groove (8) and the limiting slider (5) is slidably connected to the second limiting groove (8).

4. The marine pressure gauge connector device according to claim 1, characterized in that: The length of the first limiting groove (7) is less than the length of the limiting slider (5), and the length of the limiting slider (5) is equal to the height of the sliding limiting tube (4).

5. A marine pressure gauge connector device according to claim 1, characterized in that: A retaining ring (9) is fixedly installed on the outer wall of the internal threaded sleeve (6) below the first limiting groove (7). A first annular magnetic sheet (10) is fixedly installed on the top of the retaining ring (9). The top of the first annular magnetic sheet (10) is flush with the bottom of the first limiting groove (7).

6. A marine pressure gauge connector device according to claim 5, characterized in that: A second annular magnetic sheet (11) is fixedly disposed at the bottom of the sliding limiting tube (4) at a position corresponding to the first annular magnetic sheet (10). The polarity of the second annular magnetic sheet (11) is opposite to that of the first annular magnetic sheet (10).

7. A marine pressure gauge connector device according to claim 2, characterized in that: The limiting slider (5) is fixedly provided with second elastic protrusions (14) on both sides, and the first elastic protrusions (13) are fixedly provided on both sides of the inner wall of the first limiting groove (7).

8. A marine pressure gauge connector device according to claim 1, characterized in that: A dustproof protrusion ring (15) extending beyond the front edge of the meter head (1) is provided, and a positioning fluorescent strip (12) is provided on the top of the internal threaded sleeve (6), with the top of the positioning fluorescent strip (12) being flush with the top of the internal threaded sleeve (6).

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