Air separation system normal pressure oxygen pressure and flow accurate control device

Abstract

The utility model relates to an air separation system normal pressure oxygen pressure and flow accurate control device which aims at solving the technical problem that glass is arranged at the position of a pointer of an existing pressure gauge and the glass is prone to being impacted and damaged, the air separation system normal pressure oxygen pressure and flow accurate control device comprises a flow valve, a controller body is fixedly arranged at the front end of the flow valve, and a pressure measurer is arranged on one side of the controller body. A pressure gauge and a gauge cover are further included; the pressure gauge is arranged on the pressure measurer; the gauge cover is arranged at the glass at the front end of the pressure gauge; the bottom of the gauge cover is rotationally connected with the bottom of the front end of the pressure gauge through a rotating structure; the rotating structure comprises a connecting block; the two connecting blocks are fixedly arranged at the bottom of the gauge cover and the bottom of the front end of the pressure gauge respectively; the two connecting blocks are connected through a rotating shaft; the pressure gauge has the advantages that the glass position of the pressure gauge is covered with the gauge cover for protection, the gauge cover can be opened in a rotating mode, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to air separation equipment technical field especially relates to a kind of air separation system normal pressure oxygen pressure and flow precision control device. BACKGROUND

[0002] Air separation system is a kind of industrial equipment for separating each component gas in air, respectively producing oxygen, nitrogen, argon and other gases. Among them, the pressure and flow of normal pressure oxygen of air separation system need to be controlled.

[0003] Through the cooperation of corresponding flow valve and pressure detector and controller, oxygen pressure and flow precision control are realized. For pressure detector, pressure gauge is configured on it, which is convenient to watch, but glass is provided at the pointer of pressure gauge, and glass is easily damaged by impact.

[0004] In view of this, we propose a kind of air separation system normal pressure oxygen pressure and flow precision control device. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the deficiencies of prior art, adapting to the actual needs, providing a kind of air separation system normal pressure oxygen pressure and flow precision control device to solve the technical problem that glass is provided at the pointer of current pressure gauge, and glass is easily damaged by impact.

[0006] In order to realize the purpose of the utility model, the technical scheme adopted by the utility model is as follows: a kind of air separation system normal pressure oxygen pressure and flow precision control device is designed, including flow valve, controller body is fixed at the front end of flow valve, pressure measurer is arranged at one side of controller body, and pressure gauge and cover are further included;

[0007] Pressure gauge is arranged on pressure measurer;

[0008] Cover is arranged at the front end glass of pressure gauge;

[0009] Wherein, the bottom of cover is rotatably connected with the bottom of the front end of pressure gauge through rotating structure;

[0010] Rotating structure includes connecting block;

[0011] Two connecting blocks are respectively fixed on the bottom of cover and the bottom of the front end of pressure gauge;

[0012] Wherein, two connecting blocks are connected through shaft;

[0013] Wherein, the inside of cover and the front end of pressure gauge are frictionally matched.

[0014] Preferably, the top of cover is positioned with the top of the front end of pressure gauge through positioning structure;

[0015] The positioning structure comprises a clamping block, an L-shaped strip and a connecting rod, an L-shaped block, a limiting block and a spring.

[0016] The clamping block is fixedly arranged on the top of the front end of the pressure gauge.

[0017] The clamping block is provided with a clamping groove on one side.

[0018] The longitudinal end of the L-shaped strip is fixedly connected with the top of the cover.

[0019] The transverse section of the L-shaped strip is matched with the clamping groove.

[0020] The connecting rod is fixedly arranged on the top end of the clamping block.

[0021] The transverse section of the L-shaped block is sleeved on the connecting rod.

[0022] The longitudinal section of the L-shaped block is matched with the clamping groove.

[0023] The limiting block is fixedly arranged on the top end of the connecting rod.

[0024] The spring is sleeved on the connecting rod between the limiting block and the transverse section of the L-shaped block.

[0025] Preferably, the upper and lower ends of the transverse section of the L-shaped strip are respectively arranged in arc shapes, and the downward sides of the inlet ends of the clamping groove are respectively arranged in arc shapes.

[0026] Preferably, the transverse end of the L-shaped block is fixedly arranged with an extension block.

[0027] Compared with the prior art, the utility model has the advantages of:

[0028] 1. The utility model discloses a cover, a connecting block and a rotating shaft are arranged, the glass of the pressure gauge is protected by covering the cover, the cover can be rotated to open, and the operation is convenient.

[0029] 2. The utility model discloses a clamping block, an L-shaped strip, a connecting rod, a limiting block and a spring are arranged, the L-shaped strip is limited after the butt joint of the L-shaped strip and the clamping block, the glass of the pressure gauge is stably protected by the cover. DRAWINGS

[0030] Figure 1 It is the whole structure schematic diagram of the utility model;

[0031] Figure 2 It is the cover connecting structure schematic diagram of the utility model;

[0032] Figure 3 It is the rotating structure schematic diagram of the utility model;

[0033] Figure 4 It is the positioning structure schematic view of the utility model;

[0034] Figure 5 It is the table cover opening connection structure schematic view of the utility model;

[0035] In the drawing: 1, flow valve;2, controller body;3, pressure measurer;

[0036] 301, pressure gauge;302, table cover;303, rotating structure;304, positioning structure;

[0037] 3031, connecting block;3032, rotating shaft;

[0038] 3041, clamping block;3042, clamping groove;3043, L-shaped strip;3044, connecting rod;3045, L-shaped block;3046, limiting block;3047, spring;3048, extension block. DETAILED DESCRIPTION

[0039] The utility model is further illustrated below in connection with the drawings and examples:

[0040] Example 1: a kind of air separation system normal pressure oxygen pressure and flow precision control device, refer to Figures 1 to 5 ;

[0041] Including flow valve 1, the front end of flow valve 1 is fixedly provided with controller body 2, and one side of controller body 2 is arranged with pressure measurer 3, further including pressure gauge 301 and table cover 302;Pressure gauge 301 is arranged on pressure measurer 3;Table cover 302 is arranged at the front end glass of pressure gauge 301;Wherein, the bottom of table cover 302 is rotatably connected with the front end bottom of pressure gauge 301 through rotating structure 303;

[0042] Rotating structure 303 includes connecting block 3031;Two connecting blocks 3031 are fixedly arranged on the bottom of table cover 302 and the front end bottom of pressure gauge 301 respectively;Wherein, two connecting blocks 3031 are connected through rotating shaft 3032;Wherein, the inner side of table cover 302 is frictionally matched with the front end of pressure gauge 301.

[0043] The utility model has the advantages that the table cover 302 is covered on the glass of pressure gauge 301 for protection, and the table cover 302 can be rotatably opened, which is convenient for operation, and solves the problem that the glass at the pointer of pressure gauge 301 is easily damaged by impact.

[0044] Specifically, the top of table cover 302 is positioned and matched with the front end top of pressure gauge 301 through positioning structure 304;

[0045] The positioning structure 304 comprises a clamping block 3041, an L-shaped strip 3043, a connecting rod 3044, an L-shaped block 3045, a limiting block 3046 and a spring 3047; the clamping block 3041 is fixedly arranged at the top of the front end of the pressure gauge 301; wherein, a clamping groove 3042 is formed in one side of the clamping block 3041; the L-shaped strip 3043 is fixedly connected with the top of the cover 302 in the longitudinal direction; wherein, the transverse section of the L-shaped strip 3043 is clamped and matched with the clamping groove 3042; the connecting rod 3044 is fixedly arranged at the top end of the clamping block 3041; the L-shaped block 3045 is sleeved on the connecting rod 3044 in the transverse direction; wherein, the longitudinal section of the L-shaped block 3045 is abutted and matched with the clamping groove 3042; the limiting block 3046 is fixedly arranged at the top end of the connecting rod 3044; the spring 3047 is sleeved on the connecting rod 3044 between the limiting block 3046 and the transverse section of the L-shaped block 3045, and the two ends of the spring 3047 are fixedly connected with the limiting block 3046 and the transverse section of the L-shaped block 3045 respectively, and the elastic coefficient of the spring 3047 is selected by the technical personnel according to the actual situation.

[0046] The clamping block 3041, the L-shaped strip 3043, the connecting rod 3044, the limiting block 3046 and the spring 3047 are arranged, and the L-shaped strip 3043 is limited after being docked with the clamping block 3041, so that the cover 302 can stably protect the glass of the pressure gauge 301.

[0047] Further, the upper and lower ends of the transverse section of the L-shaped strip 3043 are arranged in arc shapes, and the downward sides of the inlet ends of the clamping groove 3042 are arranged in arc shapes. The L-shaped strip 3043 is conveniently clamped into the clamping groove 3042.

[0048] Further, the transverse end of the L-shaped block 3045 is fixedly arranged with an extension block 3048, and the extension block 3048 is convenient for moving the L-shaped block 3045.

[0049] Working principle: when the device is used, the cover 302 is in a state of covering the glass of the pressure gauge 301, when the pressure gauge 301 needs to be observed, the extension block 3048 is moved upward, the L-shaped block 3045 is moved upward along the connecting rod 3044, the spring 3047 is compressed, the clamping groove 3042 is exposed, the cover 302 is rotated and opened, the glass of the pressure gauge 301 is exposed and observed. After observation, the extension block 3048 is moved upward, the L-shaped block 3045 is moved upward, the cover 302 is reversely rotated, the cover 302 blocks the glass of the pressure gauge 301, the transverse section of the L-shaped strip 3043 is clamped into the clamping groove 3042, and then the extension block 3048 is loosened. Under the action of the spring 3047, the L-shaped block 3045 moves downward along the connecting rod 3044 until the longitudinal section of the L-shaped block 3045 blocks the clamping groove 3042, and the cover 302 is kept stable.

[0050] The utility model discloses an embodiment discloses the better embodiment, but is not limited to this, and the ordinary skill of the art, the spirit of the utility model is appreciated to the above -mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are in the protection range of the utility model.

Claims

1. An atmospheric pressure oxygen pressure and flow precision control device for air separation system, comprising a flow valve (1), a controller body (2) is fixed at the front end of the flow valve (1), and a pressure measurer (3) is arranged on one side of the controller body (2), characterized in that, Also include: A pressure gauge (301) arranged on the pressure measurer (3); A cover (302) arranged at the front end glass of the pressure gauge (301); Wherein, the bottom of the cover (302) is rotatably connected with the bottom of the front end of the pressure gauge (301) through a rotating structure (303); The rotating structure (303) comprises: Two connecting blocks (3031) respectively fixedly arranged on the bottom of the cover (302) and the bottom of the front end of the pressure gauge (301); Wherein, the two connecting blocks (3031) are connected through a rotating shaft (3032); Wherein, the inner side of the cover (302) is frictionally matched with the front end of the pressure gauge (301).

2. The apparatus of claim 1, wherein the apparatus is configured to control the pressure and flow of the oxygen gas at a constant pressure and flow rate. The top of the cover (302) is positioned and matched with the top of the front end of the pressure gauge (301) through a positioning structure (304); The positioning structure (304) comprises: A clamping block (3041) fixedly arranged on the top of the front end of the pressure gauge (301); Wherein, one side of the clamping block (3041) is provided with a clamping groove (3042); An L-shaped strip (3043) is fixedly connected with the top of the cover (302); Wherein, the horizontal section of the L-shaped strip (3043) is clamped and matched with the clamping groove (3042); A connecting rod (3044) is fixedly arranged on the top end of the clamping block (3041); An L-shaped block (3045) is sleeved on the connecting rod (3044); Wherein, the longitudinal section of the L-shaped block (3045) is abutted and matched with the clamping groove (3042); A limiting block (3046) is fixedly arranged on the top end of the connecting rod (3044); A spring (3047) is sleeved on the connecting rod (3044) between the limiting block (3046) and the horizontal section of the L-shaped block (3045).

3. The apparatus of claim 2, wherein the apparatus is configured to control the pressure and flow of the oxygen gas at a constant pressure and flow rate. The upper and lower ends of the horizontal section of the L-shaped strip (3043) are respectively provided with arc shapes, and the downward side of the inlet end of the clamping groove (3042) is also provided with an arc shape.

4. The apparatus of claim 2, wherein the apparatus is configured to control the pressure and flow of the oxygen gas at a constant pressure and flow rate. The horizontal end of the L-shaped block (3045) is fixedly provided with an extension block (3048).

Images