Shock-proof pressure gauge

Abstract

The utility model relates to the technical field of pressure gauges, in particular to a shock-proof pressure gauge, which comprises a clamping cover, an L-shaped back plate, a pressure gauge head and a pressure communicating rod, the L-shaped back plate is provided with a gauge shell through a screw, and the pressure gauge head is sleeved in the gauge shell through a sleeve seat; an annular heating bin is arranged between the sleeve base and the meter shell, and a self-temperature-limiting electric tracing band is installed in the annular heating bin through a ceramic buckle. Lug plates are welded to the two ends of the L-shaped back plate, sleeve rods are welded to the bottoms of the lug plates, inner telescopic rods are arranged in the sleeve rods in a sleeved mode, positioning pieces are arranged at the bottoms of the inner telescopic rods, a guide sleeve penetrates through the bottom of the gauge shell and penetrates through the L-shaped back plate, and a pressure communicating rod is connected to the bottom of the pressure gauge head and penetrates through the guide sleeve. The shock-proof effect of the pressure gauge is greatly improved, shaking of the pressure gauge is reduced, the pressure gauge head has an anti-freezing effect in cold weather, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure gauges, and particularly relates to a shock-resistant pressure gauge. Background Art

[0002] A pressure gauge is a measuring instrument widely used in industrial, scientific research and other fields. It is mainly used to measure and indicate the pressure value higher than the ambient pressure. A pressure gauge will be installed on the pressure vessel tank body to facilitate the detection of the pressure inside the pressure vessel tank and for people to know.

[0003] The existing pressure gauges have poor shock resistance, and the pressure gauges are prone to shaking. In cold weather, the pressure gauge head does not have the anti-freezing effect and is easily frozen and damaged. Content of the Utility Model

[0004] Aiming at the problems in the prior art, the utility model provides a shock-resistant pressure gauge, which greatly improves the shock resistance effect of the pressure gauge, reduces the shaking of the pressure gauge, and has the anti-freezing effect on the pressure gauge head in cold weather, thus prolonging the service life.

[0005] The technical solution adopted by the utility model to solve its technical problems is a shock-resistant pressure gauge, which includes a clamping cover, an L-shaped back plate, a pressure gauge head and a pressure connecting rod. The L-shaped back plate is provided with a watch case installed by screws, and the pressure gauge head is sleeved in the watch case through a socket. An annular heating chamber is arranged between the socket and the watch case, and a self-limiting temperature electric heating tape is installed in the annular heating chamber through a ceramic buckle;

[0006] Both ends of the L-shaped back plate are welded with ear plates, and the bottom of the ear plates is welded with sleeve rods. An inner telescopic rod is sleeved in the sleeve rods, and a positioning piece is arranged at the bottom of the inner telescopic rod. The bottom of the watch case penetrates through a guide sleeve, and the guide sleeve penetrates through the L-shaped back plate. The bottom of the pressure gauge head is connected with a pressure connecting rod, and the pressure connecting rod penetrates through the guide sleeve.

[0007] By adopting the above technical solution, the shock resistance effect of the pressure gauge is greatly improved, the shaking of the pressure gauge is reduced, and in cold weather, the pressure gauge head has the anti-freezing effect and the service life is prolonged.

[0008] Specifically, a clamping cover is clamped on one side of the watch case, and a glass cover plate is arranged in the clamping cover.

[0009] By adopting the above technical solution, the pressure gauge head plays a role in dust and water prevention by using the clamping cover and the glass cover plate clamped on one side of the watch case.

[0010] Specifically, a tempered film is attached to one side of the glass cover plate.

[0011] Specifically, an elastic rubber sleeve is arranged between the socket and the pressure gauge head, and the elastic rubber sleeve is made of PP material.

[0012] By adopting the above technical solution, the elastic rubber sleeve is made of PP material, which has high elasticity and good toughness, and has a buffering effect on the pressure gauge head.

[0013] Specifically, one side of the bottom end of the sleeve rod is provided with an adjusting bolt through a screw hole.

[0014] Specifically, a power storage box is installed on the back side of the watch case through screws, and the output end of the power storage box is electrically connected to the input end of the self-limiting temperature electric heating tape through a wire.

[0015] The beneficial effects of the present utility model:

[0016] (1) For the seismic-resistant pressure gauge of the present utility model, the threaded sleeve interface is screwed into the screw hole of the pressure vessel, so that the pressure water enters the pressure gauge head. The pressure gauge head is used to facilitate the test of the water pressure. The inner telescopic rod is pulled to make the positioning piece contact with the pressure vessel and the positioning piece is connected to the pressure vessel. The adjusting bolt is tightened to fix the inner telescopic rod, so as to achieve a stable support effect on the pressure gauge, greatly improving the seismic resistance effect and reducing the shaking of the pressure gauge.

[0017] (2) For the seismic-resistant pressure gauge of the present utility model, the elastic rubber sleeve is made of PP material, which has high elasticity and good toughness, and has a buffering effect on the pressure gauge head, with a significant protection effect. In cold weather, the self-limiting temperature electric heating tape is used to facilitate the constant temperature heating in the annular heating chamber, so that the pressure gauge head has an anti-freezing effect and extends the service life. The pressure gauge head is protected from dust and water by using the snap-on cover and the glass cover plate, and the tempered film is used to protect the glass cover plate to prevent the glass cover plate from being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present utility model will be further described below with reference to the drawings and embodiments.

[0019] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0020] Figure 2 is an exploded view of the present utility model;

[0021] Figure 3 is a schematic diagram of the structure of the power storage box of the present utility model;

[0022] Figure 4 is a schematic diagram of the internal structure of the watch case of the present utility model.

[0023] In the figure: 1. Glass cover plate; 2. Clamping cover; 3. Watch case; 4. L-shaped back plate; 5. Ear plate; 6. Sleeve rod; 7. Adjusting bolt; 8. Inner telescopic rod; 9. Positioning piece; 10. Threaded sleeve interface; 11. Pressure connecting rod; 12. Guide sleeve; 13. Tempered glass film; 14. Sleeve seat; 15. Pressure gauge head; 16. Annular heating chamber; 17. Battery storage box; 18. Self-limiting temperature electric heating tape; 19. Elastic rubber sleeve. Detailed implementation manner

[0024] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with the specific implementation manners.

[0025] In order to greatly improve the shock resistance effect of the pressure gauge, reduce the shaking of the pressure gauge, and make the pressure gauge head 15 have an anti-freezing effect and extend the service life in cold weather, as Figures 1-4 shown, a shock-resistant pressure gauge of the present utility model includes a clamping cover 2, an L-shaped back plate 4, a pressure gauge head 15 and a pressure connecting rod 11. The L-shaped back plate 4 is provided with a watch case 3 by screws, and the pressure gauge head 15 is sleeved in the watch case 3 through a sleeve seat 14. An annular heating chamber 16 is arranged between the sleeve seat 14 and the watch case 3, and a self-limiting temperature electric heating tape 18 is installed in the annular heating chamber 16 through ceramic buckles;

[0026] Both ends of the L-shaped back plate 4 are welded with ear plates 5, and the bottom of the ear plates 5 is welded with sleeve rods 6. An inner telescopic rod 8 is sleeved in the sleeve rods 6, and a positioning piece 9 is arranged at the bottom of the inner telescopic rod 8. The bottom of the watch case 3 penetrates through a guide sleeve 12, and the guide sleeve 12 penetrates through the L-shaped back plate 4. The bottom of the pressure gauge head 15 is connected with a pressure connecting rod 11, and the pressure connecting rod 11 penetrates through the guide sleeve 12.

[0027] When in use, the shock resistance effect of the pressure gauge is greatly improved, the shaking of the pressure gauge is reduced, and in cold weather, the pressure gauge head 15 has an anti-freezing effect and the service life is extended.

[0028] Exemplarily, as Figure 1 shown, the present utility model further includes that a clamping cover 2 is clamped on one side of the watch case 3, and a glass cover plate 1 is arranged in the clamping cover 2.

[0029] When in use, the pressure gauge head 15 is protected from dust and water by using the clamping cover 2 and the glass cover plate 1 clamped on one side of the watch case 3.

[0030] Exemplarily, as Figure 2 shown, the present utility model further includes that a tempered glass film 13 is attached to one side of the glass cover plate 1.

[0031] When in use, the tempered glass film 13 protects the glass cover plate 1 and prevents the glass cover plate 1 from being damaged.

[0032] Exemplarily, such as Figure 1 、 4 As shown, the utility model further includes that an elastic rubber sleeve 19 is arranged between the socket 14 and the pressure gauge head 15, and the elastic rubber sleeve 19 is specifically made of PP material.

[0033] When in use, since the elastic rubber sleeve 19 is specifically made of PP material, it has high elasticity and good toughness, and has a buffering effect on the pressure gauge head 15.

[0034] Exemplarily, such as Figure 1 、 2 As shown, the utility model further includes that an adjusting bolt 7 is installed on one side of the bottom end of the sleeve rod 6 through a screw hole.

[0035] When in use, tighten the adjusting bolt 7 to fix the inner expansion rod 8, so as to achieve the effect of stably supporting the pressure gauge.

[0036] Exemplarily, such as Figure 1 、 3 As shown in 4, the utility model further includes that a power storage box 17 is installed on the back side of the watch case 3 through screws, and the output end of the power storage box 17 is electrically connected to the input end of the self-limiting temperature electric heating tape 18 through a wire.

[0037] When in use, the power storage box 17 is convenient for supplying power to electrical equipment for use, so that it operates stably.

[0038] When the utility model is in use, screw the threaded sleeve interface 10 into the screw hole of the pressure vessel, so that the pressure water enters the pressure gauge head 15, and it is convenient to test the water pressure by using the pressure gauge head 15;

[0039] Pull out the inner expansion rod 8 to make the positioning piece 9 contact with the pressure vessel and connect to the pressure vessel by using the positioning piece 9, and tighten the adjusting bolt 7 to fix the inner expansion rod 8, so as to achieve the effect of stably supporting the pressure gauge, greatly improving the shock resistance effect and reducing the shaking of the pressure gauge;

[0040] Since the elastic rubber sleeve 19 is specifically made of PP material, it has high elasticity and good toughness, and has a buffering effect on the pressure gauge head 15, with a significant protection effect. In cold weather, it is convenient to heat the annular heating chamber 16 at a constant temperature by using the self-limiting temperature electric heating tape 18, so that the pressure gauge head 15 has an anti-freezing effect and prolongs the service life;

[0041] The pressure gauge head 15 is protected from dust and water by using the snap-on cover 2 and the glass cover plate 1 snapped on one side of the watch case 3, and the glass cover plate 1 is protected by using the tempered film 13 to prevent the glass cover plate 1 from being damaged.

[0042] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of protection required by the present utility model. The scope of protection required by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A seismic-resistant pressure gauge, characterized in that: It comprises a snap-fit ​​cover (2), an L-shaped back plate (4), a pressure gauge head (15) and a pressure connecting rod (11); a gauge case (3) is mounted on the L-shaped back plate (4) by means of screws, and the gauge case (3) is provided with the pressure gauge head (15) by means of a sleeve (14); an annular heating chamber (16) is arranged between the sleeve (14) and the gauge case (3), and a self-limiting temperature electric heating belt (18) is mounted in the annular heating chamber (16) by means of a ceramic buckle; Ear plates (5) are welded at both ends of the L-shaped back plate (4), and a sleeve rod (6) is welded at the bottom of the ear plate (5); an inner telescopic rod (8) is sleeved inside the sleeve rod (6), and a positioning piece (9) is provided at the bottom of the inner telescopic rod (8); a guide sleeve (12) penetrates the bottom of the meter case (3), and the guide sleeve (12) penetrates the L-shaped back plate (4); a pressure connecting rod (11) is connected to the bottom of the pressure gauge head (15), and the pressure connecting rod (11) penetrates the guide sleeve (12).

2. A seismic-resistant pressure gauge according to claim 1, characterized in that: A snap-on cover (2) is snap-on on one side of the watch case (3), and a glass cover plate (1) is arranged inside the snap-on cover (2).

3. A seismic-resistant pressure gauge according to claim 2, characterized in that: A tempered film (13) is attached to one side of the glass cover plate (1).

4. A seismic-resistant pressure gauge according to claim 1, characterized in that: An elastic rubber sleeve (19) is arranged between the sleeve seat (14) and the pressure gauge head (15), and the elastic rubber sleeve (19) is specifically made of PP material.

5. A seismic-resistant pressure gauge according to claim 1, characterized in that: An adjusting bolt (7) is installed on one side of the bottom end of the sleeve rod (6) through a screw hole.

6. A seismic-resistant pressure gauge according to claim 1, characterized in that: An electricity storage box (17) is installed on the back side of the meter case (3) by means of screws, and an output end of the electricity storage box (17) is electrically connected to an input end of a self-limiting temperature electric heating belt (18) by means of a wire.

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