Single-stage pressure reducer

Abstract

The single-stage pressure reducer comprises a main body, a protection assembly, a fixing assembly and an installation shell, a digital display meter, the protection assembly, the installation shell, an air inlet pipe and an air outlet pipe are installed on the cambered surface of the outer side of the main body, the digital display meter is located in the protection assembly, and the protection assembly is located on the right side of the installation shell. The protection assembly and the installation shell are located between the air inlet pipe and the air outlet pipe, an adjusting handle is installed on the front side of the non-arc face of the body, an auxiliary rod and a fixing assembly are installed in the adjusting handle, the adjusting handle is connected with the auxiliary rod through the fixing assembly, and the protection assembly comprises an external thread fixing ring, the protection shell and an internal thread connecting ring. The single-stage pressure reducer is provided with the protection assembly, the digital display meter can be protected, the protection shell is convenient to disassemble and assemble, the auxiliary rod is convenient to disassemble and assemble due to the arrangement of the fixing assembly, and the auxiliary rod and the fixing screw rod are convenient to store during disassembly due to the arrangement of the mounting shell and the negative pole magnet.

Description

TECHNICAL FIELD

[0001] The utility model relates to single stage pressure reducer technical field, concretely is a single stage pressure reducer. BACKGROUND

[0002] Single stage pressure reducer is mainly used for reducing the pressure of gas, and safely and stably reduces high-pressure gas to the required low-pressure level for various applications. In laboratory and scientific research environment, single stage pressure reducer is used to provide accurate control of gas pressure for various experimental equipment.

[0003] Referring to Chinese patent authorized announcement No. CN216813760U, authorized announcement date is June 24, 2022, a single stage pressure reducer is disclosed, which comprises a pressure reducing metal shell, a cooperating clamping block is fixedly arranged at the front end of the pressure reducing metal shell, a limiting groove A is transversely arranged at the middle of the front end of the cooperating clamping block, a connecting clamping column is fixedly clamped in the limiting groove A, rotating rods are fixedly welded on the both sides of the connecting clamping column, cooperating cylindrical columns are fixedly welded on the upper and lower ends of the cooperating clamping block, a pressing column is vertically movably arranged in the cooperating cylindrical column, a clamping inner cavity is transversely arranged on the inner side of the connecting clamping column, an active cavity is fixedly arranged in the cooperating cylindrical column, an active abutting plate is movably arranged at the upper end of the active cavity, an L-shaped pushing column is fixedly welded at the middle of the lower end of the active abutting plate, and extension springs are fixedly arranged around the L-shaped pushing column. The lower end of the L-shaped pushing column is fixedly welded with a limiting block. The utility model loosens the pressing column, so that the pressing column can move upward by the extension force of the extension spring in the active cavity.

[0004] However, the existing single stage pressure reducer is not convenient for protecting the digital display meter and storing the auxiliary rod, for example, the above-mentioned comparative patent has this problem, therefore, we propose a single stage pressure reducer to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a single stage pressure reducer to solve the problems of the existing single stage pressure reducer in the above background technology, which is inconvenient for protecting the digital display meter and storing the auxiliary rod.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a single stage pressure reducer, which comprises a main body, a protection assembly, a fixing assembly and a mounting shell, the outer arc surface of the main body is respectively provided with a digital display meter, a protection assembly, a mounting shell, an air inlet pipe and an air outlet pipe, the digital display meter is located in the protection assembly, the protection assembly is located on the right side of the mounting shell, the protection assembly and the mounting shell are located between the air inlet pipe and the air outlet pipe, the air inlet pipe is located on the right side of the air outlet pipe, an adjusting handle is installed on the front side of the non-arc surface of the main body, an auxiliary rod and a fixing assembly are installed in the adjusting handle, and the adjusting handle and the auxiliary rod are connected through the fixing assembly.

[0007] Preferably, the protection assembly comprises an outer threaded fixing ring, a protection shell and an inner threaded connecting ring, and the outer threaded fixing ring is fixedly installed at the top end of the main body arc surface.

[0008] Preferably, a digital display meter is arranged in the ring of the outer threaded fixing ring, and an inner threaded connecting ring is fixedly installed at the inner bottom of the protection shell.

[0009] Preferably, the inner threaded connecting ring is threadedly connected outside the outer threaded fixing ring, a digital display meter is arranged at the inner end of the protection shell, and the protection shell is made of transparent material.

[0010] Preferably, the auxiliary rod comprises a positive magnetic attraction, a rod body and a rubber sleeve, the positive magnetic attraction is fixedly installed outside the rod body, and the rubber sleeve is fixedly installed outside the rod body.

[0011] Preferably, the fixing assembly comprises a connecting hole, a fixed screw hole and a fixed screw rod, the connecting hole is longitudinally arranged in the adjusting handle, and the fixed screw hole is horizontally arranged in the adjusting handle.

[0012] Preferably, the fixed screw hole is longitudinally arranged in the adjusting handle, and the fixed screw hole is vertically arranged in the adjusting handle and the auxiliary rod.

[0013] Preferably, the fixed screw hole is threadedly connected with the fixed screw rod.

[0014] Preferably, the installation shell comprises a shell body and a negative magnetic attraction, and the negative magnetic attraction is embedded in the three walls of the shell body.

[0015] Preferably, the shell body is fixedly installed at the end of the main body arc surface, and the negative magnetic attraction is attracted to the positive magnetic attraction.

[0016] Compared with the prior art, the single-stage pressure reducer has the advantages that the protection assembly is arranged, the digital display meter can be protected, the protection shell is convenient to disassemble and assemble, the fixing assembly is arranged, the auxiliary rod is convenient to disassemble and assemble, the installation shell and the negative magnetic attraction are arranged, and the auxiliary rod and the fixed screw rod are convenient to store when disassembled.

[0017] 1. The protection mechanism is arranged, the digital display meter is arranged in the outer threaded fixing ring, the protection shell is threadedly connected outside the outer threaded fixing ring through the inner threaded connecting ring, the digital display meter is arranged in the protection shell, and thus the digital display meter can be protected.

[0018] Further, the protection shell is made of transparent material, and when the digital display meter is observed, the protection shell can be not disassembled, so that damage to the digital display meter when the single-stage pressure reducer is used is reduced.

[0019] 2. The fixed assembly is arranged, the auxiliary rod passes through the horizontal connecting hole arranged in the adjusting handle, the vertical fixed screw hole in the adjusting handle is matched with the vertical fixed screw hole in the auxiliary rod, and the fixed screw rod is used for connection;

[0020] 3. The mounting shell and the negative magnetic attraction are arranged, the positive magnetic attraction is inlaid in the shell wall, the positive magnetic attraction and the negative magnetic attraction are attracted to each other, the auxiliary rod and the iron fixed screw rod can be adsorbed in the shell wall, and thus the parts are conveniently stored;

[0021] 4. The rubber sleeve is arranged, has the antiskid performance, can reduce the influence of hand sweat of the worker, protects the rod body, and prolongs the service life of the rod body. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the first three-dimensional structure schematic view of the utility model;

[0023] Figure 2 It is the second three-dimensional structure schematic view of the utility model;

[0024] Figure 3 It is the protective shell and the internal thread connecting ring connecting structure schematic view of the utility model;

[0025] Figure 4 It is the adjusting handle, the auxiliary rod and the fixed assembly connecting structure schematic view of the utility model;

[0026] Figure 5 It is the auxiliary rod, the mounting shell and the fixed screw connecting structure schematic view of the utility model.

[0027] In the drawing: 1, main body; 2, digital display meter; 3, protection assembly; 301, external thread fixed ring; 302, protective shell; 303, internal thread connecting ring; 4, adjusting handle; 5, auxiliary rod; 501, positive magnetic attraction; 502, rod body; 503, rubber sleeve; 6, fixed assembly; 601, connecting hole; 602, fixed screw hole; 603, fixed screw rod; 7, mounting shell; 701, shell; 702, negative magnetic attraction; 8, air inlet pipe; 9, air outlet pipe. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, 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 scope of protection of the utility model.

[0029] Please refer to Figures 1-5 The utility model provides the following technical scheme:

[0030] Embodiment one: the existing single-stage pressure reducer is not convenient for protecting the digital display meter 2, in order to solve this technical problem, the embodiment discloses the following technical content:

[0031] A single-stage pressure reducer, comprising a main body 1, a protection assembly 3, a fixing assembly 6 and a mounting shell 7, the outer arc surface of the main body 1 is respectively provided with a digital display meter 2, a protection assembly 3, a mounting shell 7, an air inlet pipe 8 and an air outlet pipe 9, the digital display meter 2 is located in the protection assembly 3, the protection assembly 3 is located on the right side of the mounting shell 7, the protection assembly 3 and the mounting shell 7 are located between the air inlet pipe 8 and the air outlet pipe 9, the air inlet pipe 8 is located on the right side of the air outlet pipe 9, the non-arc surface of the main body 1 is provided with an adjusting handle 4, the adjusting handle 4 is provided with an auxiliary rod 5 and a fixing assembly 6, and the adjusting handle 4 and the auxiliary rod 5 are connected through the fixing assembly 6;

[0032] As shown in Figures 1-3 , the outer side of the digital display meter 2 is provided with a protection assembly 3, the protection assembly 3 comprises an external thread fixing ring 301, a protection shell 302 and an internal thread connecting ring 303, the external thread fixing ring 301 is fixedly installed at the top end of the arc surface of the main body 1, the ring of the external thread fixing ring 301 is provided with the digital display meter 2, the inner bottom of the protection shell 302 is fixedly installed with the internal thread connecting ring 303, the internal thread connecting ring 303 is threadedly connected to the outer side of the external thread fixing ring 301, the protection shell 302 is covered outside the digital display meter 2, so that the internal thread connecting ring 303 is in contact with the external thread fixing ring 301, the protection shell 302 is rotated towards the external thread fixing ring 301, so that the internal thread connecting ring 303 is connected with the external thread fixing ring 301, thereby the protection shell 302 is installed, and the protection shell 302 is made of transparent material, so that the digital display meter 2 can be observed without disassembling the protection shell 302, thereby reducing the damage of the digital display meter 2 when using the single-stage pressure reducer;

[0033] Embodiment two: the existing single-stage pressure reducer is not convenient for disassembling and assembling the auxiliary rod 5, in order to solve this technical problem, the embodiment discloses the following technical content:

[0034] As shown in Figure 1 , Figure 2 and Figure 4As shown, the front side of the main body 1 is provided with an adjusting handle 4, and the adjusting handle 4 is provided with an auxiliary rod 5 and a fixing assembly 6. The adjusting handle 4 is connected with the auxiliary rod 5 through the fixing assembly 6. The fixing assembly 6 includes a connecting hole 601, a fixing screw hole 602 and a fixing screw 603. The connecting hole 601 is longitudinally arranged in the adjusting handle 4, and the connecting hole 601 is horizontally arranged in the adjusting handle 4. The auxiliary rod 5 is inserted into the connecting hole 601. The fixing screw hole 602 is longitudinally arranged in the adjusting handle 4. The fixing screw hole 602 is vertically arranged in the adjusting handle 4 and the auxiliary rod 5. The auxiliary rod 5 is pushed into the connecting hole 601, so that the two fixing screw holes 602 are aligned. The fixing screw 603 is screwed into the fixing screw hole 602 in the adjusting handle 4 and the fixing screw hole 602 in the auxiliary rod 5, so as to connect the auxiliary rod 5 with the adjusting handle 4. When the auxiliary rod 5 is disassembled, the fixing screw 603 is screwed out of the fixing screw hole 602 in the auxiliary rod 5, and the auxiliary rod 5 is pulled out of the connecting hole 601.

[0035] In the embodiment, the technology is improved on the basis of the above-mentioned embodiment two. The existing single-stage pressure reducer is not convenient for storing the auxiliary rod 5 and the fixing screw 603. In order to solve the technical problem, the embodiment discloses the following technical content:

[0036] As shown in Figure 1 , Figure 2 and Figure 5 , the protection assembly 3 is located on the right side of the installation shell 7. The installation shell 7 includes a shell body 701 and a negative magnetic attraction 702. The shell body 701 is fixedly installed on the arc surface end of the main body 1. The negative magnetic attraction 702 is embedded in the three walls of the shell body 701. The plurality of negative magnetic attractions 702 can generate a larger magnetic force. The auxiliary rod 5 includes a positive magnetic attraction 501, a rod body 502 and a rubber sleeve 503. The rod body 502 is fixedly installed on the outer side of the positive magnetic attraction 501. The disassembled auxiliary rod 5 is placed in the shell body 701. Because the negative magnetic attraction 702 and the positive magnetic attraction 501 attract each other, the auxiliary rod 5 is adsorbed in the shell body 701. The fixing screw 603 is made of iron material, so that it can attract the negative magnetic attraction 702, and the fixing screw 603 can also be adsorbed in the shell body 701, thereby facilitating storage.

[0037] Working principle: The right side and the left side of the arc surface of the main body 1 are respectively connected with the air inlet pipe 8 and the air outlet pipe 9. The air inlet pipe 8 is connected with the air outlet of the air outlet device. The air outlet pipe 9 discharges gas. The rod body 502 is rotated to adjust the air pressure. The rubber sleeve 503 is fixedly installed on the outer side of the rod body 502. The rubber sleeve 503 has an anti-skid effect, which can reduce the influence of hand sweat on the working efficiency, thereby reducing the working efficiency, and can protect the rod body 502, thereby improving the service life.

[0038] The above completes the series of operations of the single-stage pressure reducer, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0039] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0040] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, 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 single-stage pressure reducer, comprising a main body (1), a protective assembly (3), a fixing assembly (6) and a mounting shell (7), characterized in that: The outer arc surface of the main body (1) is respectively equipped with a digital display (2), a protection component (3), a mounting shell (7), an air inlet pipe (8) and an air outlet pipe (9); the digital display (2) is located inside the protection component (3); the protection component (3) is located on the right side of the mounting shell (7); the protection component (3) and the mounting shell (7) are located between the air inlet pipe (8) and the air outlet pipe (9); the air inlet pipe (8) is located on the right side of the air outlet pipe (9); an adjustment handle (4) is installed on the non-arc front side of the main body (1); an auxiliary rod (5) and a fixing assembly (6) are installed inside the adjustment handle (4); the adjustment handle (4) and the auxiliary rod (5) are connected via the fixing assembly (6).

2. A single-stage pressure reducer according to claim 1, characterized in that: The protection assembly (3) comprises an external thread fixing ring (301), a protection shell (302) and an internal thread connecting ring (303), wherein the external thread fixing ring (301) is fixedly mounted on the top end of the arc surface of the main body (1).

3. A single-stage pressure reducer according to claim 2, characterized in that: A digital display (2) is provided inside the external thread fixing ring (301), and an internal thread connecting ring (303) is fixedly installed on the bottom of the protective shell (302).

4. A single-stage pressure reducer according to claim 2, characterized in that: The internal thread connection ring (303) is threadedly connected to the outside of the external thread fixing ring (301); a digital display (2) is provided at the inner end of the protective shell (302); and the protective shell (302) is made of a transparent material.

5. The single-stage pressure reducer according to claim 1, characterized in that: The auxiliary rod (5) comprises a positive pole magnet (501), a rod body (502) and a rubber sleeve (503); the rod body (502) is fixedly mounted on the outside of the positive pole magnet (501); and the rubber sleeve (503) is fixedly mounted on the outside of the rod body (502).

6. The single-stage pressure reducer according to claim 1, characterized in that: The fixing assembly (6) comprises a connecting hole (601), a fixing screw hole (602) and a fixing screw rod (603); the connecting hole (601) is longitudinally opened in the adjusting handle (4); and the connecting hole (601) is horizontally opened in the adjusting handle (4).

7. The single-stage pressure reducer according to claim 6, characterized in that: The fixing screw holes (602) are respectively longitudinally opened in the adjustment handle (4), and the fixing screw holes (602) are vertically opened in the adjustment handle (4) and the auxiliary rod (5).

8. The single-stage pressure reducer according to claim 7, characterized in that: The fixing screw hole (602) is internally threadedly connected to a fixing screw rod (603).

9. The single-stage pressure reducer according to claim 1, characterized in that: The mounting shell (7) comprises a shell (701) and a negative pole magnet (702), and the three walls of the shell (701) are all inlaid with the negative pole magnet (702).

10. The single-stage pressure reducer according to claim 9, characterized in that: The shell (701) is fixedly mounted on the arc surface end of the main body (1), and the negative pole magnet (702) and the positive pole magnet (501) attract each other.

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