CN219608313U - Pressure gauge with good sealing performance - Google Patents

Abstract

The utility model relates to the technical field of pressure gauges, and discloses a pressure gauge with good sealing performance, which comprises a meter shell, wherein a screwed joint is fixedly arranged at the bottom of the meter shell, a rubber ring is arranged on the inner wall of the screwed joint, a protective shell is hinged to the left side of the outer side of the meter shell, a dial is clamped in the meter shell, a pointer is rotationally connected to the center of the dial, a glass cover is fixed on the arc-shaped inner wall of the meter shell, and a cleaning mechanism is arranged in the meter shell. This manometer that sealing performance is good, in order to avoid producing the condition that special operating mode such as steam, outdoor installation lead to seeing the unclear calibrated scale at the high temperature, through being provided with clean mechanism, cooperation circular slide rail and cylinder slider to make outer bull stick scrape at the glass cover outer wall, further, make interior bull stick can rotate in step through the locating piece, scrape at the glass cover inner wall and move, reach the effect of clearance glass cover inside and outside simultaneously.

Description

Pressure gauge with good sealing performance

Technical Field

The utility model relates to the technical field of pressure gauges, in particular to a pressure gauge with good sealing performance.

Background

The pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates pressure higher than the environment, is very popular in application, is almost widely used in all industrial processes and scientific research fields, is widely visible in the fields of heat pipe networks, oil gas transmission, water and gas supply systems, vehicle maintenance factories, shops and the like, and displays pressure by transmitting pressure deformation to a pointer through elastic deformation of the sensitive element in the gauge and then transmitting the pressure deformation to the pointer through a conversion mechanism of a movement in the gauge.

At present, a mechanical pressure gauge is commonly used in the market, and the mechanical pressure gauge is increasingly widely applied due to the characteristics of high mechanical strength, convenient production and the like of an elastic sensitive element of the mechanical pressure gauge.

However, if the pressure gauge is in an environment of high temperature, high humidity and multiple vapors or is installed outdoors, the glass cover can be fogged or dust is accumulated to see the dial, especially the inner wall of the glass cover is difficult to clean, the whole disassembly is troublesome, and the sealing effect is also easy to influence due to repeated disassembly.

Disclosure of Invention

The utility model aims to provide a pressure gauge with good sealing performance, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a manometer that sealing performance is good, includes the watchcase, the bottom fixed mounting of watchcase has screwed joint, the screwed joint inner wall is provided with the rubber ring, the watchcase outside left side articulates there is the protecting sheathing, the inside joint of watchcase has the calibrated scale, the calibrated scale center rotates and is connected with the pointer, watchcase arc inner wall is fixed with the glass cover, the watchcase is inside to be provided with clean mechanism, clean mechanism includes:

the circular slide rail is fixed on the arc-shaped inner wall of the outer side of the watch case, the center of the glass cover is rotationally connected with a penetrating positioning block, and an inner rotating rod is fixed on the inner side of the positioning block;

the left end of the outer rotating rod is fixedly arranged at the outer side of the positioning block;

the cylinder slider, circular slide rail sliding connection cylinder slider, the one end that the locating piece was kept away from to outer bull stick of cylinder slider bottom hinge.

Preferably, the outside of the watchcase is provided with a linkage mechanism, the linkage mechanism comprises a square box, and the left wall of the outside of the square box is fixed on the arc-shaped outer wall of the watchcase.

Preferably, the bottom of the right side of the circular sliding rail is fixedly connected with the bottom end of the sliding rail spring, and the top end of the sliding rail spring is fixedly connected with the bottom end of the spring block, so that the elastic force of the spring is released more fully.

Preferably, the bottom surface fixed connection telescopic link bottom in square box, the tight spring bottom of square box inside bottom surface fixed connection, telescopic link top fixed connection diaphragm bottom, tight spring top fixed connection diaphragm bottom.

Preferably, the right side of the top of the transverse plate is fixedly connected with the grab handle, a shell groove is formed in the protective shell, and the shell groove coincides with the projection of the circular sliding rail in the vertical direction, so that the cylindrical sliding block is prevented from being disturbed after being covered with the protective shell.

Preferably, the through hole matched with the cylindrical sliding block is formed in the left side of the transverse plate, so that a better limiting effect is achieved, and when the cylindrical sliding block is limited in the left side, the sliding rail spring is in a compressed state, and the attaching spring is in a relaxed state.

Compared with the prior art, the utility model provides the pressure gauge with good sealing performance, which has the following beneficial effects:

1. this manometer that sealing performance is good, in order to avoid producing the condition that special operating mode such as steam, outdoor installation lead to seeing the unclear calibrated scale at the high temperature, through being provided with clean mechanism, cooperation circular slide rail and cylinder slider to make outer bull stick scrape at the glass cover outer wall, further, make interior bull stick can rotate in step through the locating piece, scrape at the glass cover inner wall and move, reach the effect of clearance glass cover inside and outside simultaneously.

2. This manometer that sealing performance is good, in order to protect the manometer not receive the damage, through being provided with link gear, cooperation slide rail spring and spring block for the cylinder slider can be sprung up by slide rail spring's elasticity, can reach the cylinder slider through square box, telescopic link, paste tight spring, diaphragm and carry out spacing effect, further, through the rubber ring of screwed joint inner wall, makes the leakproofness better.

Drawings

FIG. 1 is a schematic view of the bottom structure of the present utility model;

FIG. 2 is a schematic view of the overall structure of the present utility model;

FIG. 3 is a schematic view of the overall structure of the present utility model;

FIG. 4 is an enlarged partial schematic view of area A of FIG. 3 of the structure of the present utility model;

fig. 5 is a schematic top view of the structure of the present utility model.

In the figure: 1. a watch case; 2. a threaded joint; 3. a rubber ring; 4. a protective housing; 5. a dial; 6. a pointer; 7. a glass cover; 8. a cleaning mechanism; 81. a circular slide rail; 82. a positioning block; 83. an inner rotating rod; 84. an outer rotating rod; 85. a cylindrical slider; 9. a linkage mechanism; 91. square box; 92. a slide rail spring; 93. a spring block; 94. a telescopic rod; 95. attaching a spring; 96. a cross plate; 97. a grab handle; 10. a housing groove.

Detailed Description

As shown in fig. 1-5, the present utility model provides a technical solution: the utility model provides a manometer that sealing performance is good, including watchcase 1, the bottom fixed mounting of watchcase 1 has screwed joint 2, screwed joint 2 inner wall is provided with rubber ring 3, watchcase 1 outside left side articulates there is protecting sheathing 4, the inside joint of watchcase 1 has calibrated scale 5, calibrated scale 5 center rotation is connected with pointer 6, watchcase 1 arc inner wall is fixed with glass cover 7, watchcase 1 inside is provided with clean mechanism 8, clean mechanism 8 includes circular slide rail 81, watchcase 1 outside arc inner wall is fixed with circular slide rail 81, glass cover 7 center rotation is connected with the locating piece 82 that runs through, the locating piece 82 inboard is fixed with interior rotation pole 83, locating piece 82 outside fixed mounting has outer bull stick 84 left end, circular slide rail 81 sliding connection cylinder slider 85, the one end that locating piece 82 was kept away from to the articulated outer bull stick 84 in cylinder slider 85 bottom.

In one embodiment of the utility model, the linkage mechanism 9 is arranged on the outer side of the watch case 1, the linkage mechanism 9 comprises a square box 91, the outer left wall of the square box 91 is fixed on the arc outer wall of the watch case 1, the bottom of the right side of the circular sliding rail 81 is fixedly connected with the bottom end of a sliding rail spring 92, the top end of the sliding rail spring 92 is fixedly connected with the bottom end of a spring block 93, the elastic force of the spring is released, when the elastic force accumulated by the sliding rail spring 92 is released, the spring block 93 is pushed to move forwards in the circular sliding rail 81, so that the cylindrical sliding block 85 is pushed to move forwards, the outer rotating rod 84 can scrape on the outer wall of the glass cover 7, further, the inner rotating rod 83 can synchronously rotate through the positioning block 82, the inner wall of the glass cover 7 can scrape on the inner wall of the glass cover 7, the effect of simultaneously cleaning the inner wall and the outer wall of the glass cover 7 is achieved, the protecting shell 4 hinged with the watch case 1 can also protect the pressure gauge, and the rubber ring 3 is extruded to fill the gap of the contact surface at the same time when the threaded joint 2 at the bottom is in threaded connection with a part to be assembled.

In one embodiment of the utility model, the bottom surface inside the square box 91 is fixedly connected with the bottom of the telescopic rod 94, the bottom surface inside the square box 91 is fixedly connected with the bottom of the tight spring 95, the top of the telescopic rod 94 is fixedly connected with the bottom of the transverse plate 96, the top of the tight spring 95 is fixedly connected with the bottom of the transverse plate 96, meanwhile, the tight spring 95 is sleeved on the outer side of the telescopic rod 94, so that the telescopic rod 94 can guide and limit the deformation direction of the tight spring 95, the tight spring 95 can only move along the telescopic direction of the telescopic rod 94, the transverse deflection phenomenon can not occur, the tight spring 95 can always provide a stable transmission effect for the transverse plate 96 in the square box 91, the right side of the top of the transverse plate 96 is fixedly connected with the grab handle 97, the inner part of the protective shell 4 is provided with the shell groove 10, the shell groove 10 coincides with the projection of the circular sliding rail 81 in the vertical direction, the cylindrical sliding block 85 is not disturbed after the protective shell 4 is covered, the left side of the transverse plate 96 is provided with a through hole matched with the cylindrical sliding block 85, the cylindrical sliding block 85 is in a better limiting effect, when the left side of the sliding rail 92 is limited, the cylindrical sliding block 92 is in a state, the spring is compressed and the tight spring 95 is in a state when the left side of the sliding rail 92 is in a state. When the pressure gauge is to be used, the handle 97 is lifted, and the bottom of the transverse plate 96 is connected with the square box 91 through the telescopic rod 94 and the close spring 95, so that the transverse plate 96 is pulled up in the horizontal direction, and at this time, the cylindrical sliding block 85 is separated from the round hole on the left side of the transverse plate 96, and the limit is released.

Working principle: when the pressure gauge is to be used, the handle 97 is lifted, because the bottom of the transverse plate 96 is connected through the telescopic rod 94, the close-fitting spring 95 and the square box 91, the transverse plate 96 is pulled up in the horizontal direction, at the moment, the cylindrical sliding block 85 is separated from a round hole on the left side of the transverse plate 96, the elastic force accumulated by the sliding rail spring 92 is released, and the spring block 93 is pushed to move forwards in the round sliding rail 81 while the limit is released, so that the cylindrical sliding block 85 is pushed to move forwards, the outer rotating rod 84 can scrape on the outer wall of the glass cover 7, further, the inner rotating rod 83 can synchronously rotate through the positioning block 82, the inner wall of the glass cover 7 is scraped, the effect of cleaning the inner wall and the outer wall of the glass cover 7 is achieved, the pressure gauge can also be protected by the protective shell 4 hinged with the watch case 1, and the gap of the contact surface is filled by extrusion of the rubber ring 3 when the threaded joint 2 at the bottom is in threaded connection with a piece to be assembled, and a good sealing effect can be achieved.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (6)

1. The utility model provides a manometer that sealing performance is good, includes watchcase (1), the bottom fixed mounting of watchcase (1) has screwed joint (2), screwed joint (2) inner wall is provided with rubber ring (3), watchcase (1) outside left side articulates there is protecting sheathing (4), watchcase (1) inside joint has calibrated scale (5), calibrated scale (5) center rotation is connected with pointer (6), watchcase (1) arc inner wall is fixed with glass cover (7), its characterized in that: the watch case (1) is internally provided with a cleaning mechanism (8), and the cleaning mechanism (8) comprises:

the circular sliding rail (81), the circular sliding rail (81) is fixed on the arc inner wall of the outer side of the watch case (1), the center of the glass cover (7) is rotationally connected with a penetrating positioning block (82), and an inner rotating rod (83) is fixed on the inner side of the positioning block (82);

the outer rotating rod (84) is fixedly arranged at the left end of the outer rotating rod (84) outside the positioning block (82);

the cylinder slider (85), circular slide rail (81) sliding connection cylinder slider (85), the one end that locating piece (82) was kept away from to outer bull stick (84) is articulated to cylinder slider (85) bottom.

2. The pressure gauge with good sealing performance according to claim 1, wherein: the novel watch case is characterized in that a linkage mechanism (9) is arranged on the outer side of the watch case (1), the linkage mechanism (9) comprises a square box (91), and a left wall on the outer side of the square box (91) is fixed on the arc-shaped outer wall of the watch case (1).

3. A pressure gauge with good sealing performance according to claim 2, characterized in that: the bottom of the right side of the circular sliding rail (81) is fixedly connected with the bottom end of the sliding rail spring (92), and the top end of the sliding rail spring (92) is fixedly connected with the bottom end of the spring block (93).

4. A pressure gauge with good sealing performance according to claim 2, characterized in that: the utility model discloses a square box, including square box (91), telescopic link (94) bottom, square box (91) inside bottom fixed connection pastes tight spring (95) bottom, telescopic link (94) top fixed connection diaphragm (96) bottom, paste tight spring (95) top fixed connection diaphragm (96) bottom.

5. The pressure gauge with good sealing performance according to claim 4, wherein: the right side of the top of the transverse plate (96) is fixedly connected with a grab handle (97), a shell groove (10) is formed in the protective shell (4), and the projection of the shell groove (10) and the projection of the circular sliding rail (81) in the vertical direction are overlapped.

6. The pressure gauge with good sealing performance according to claim 4, wherein: the left side of the transverse plate (96) is provided with a through hole matched with the cylindrical sliding block (85), and when the cylindrical sliding block (85) is limited on the left side, the sliding rail spring (92) is in a compressed state, and the close spring (95) is in a loose state.