Universal pressure instrument connecting device

Abstract

A universal pressure instrument connecting device belongs to the technical field of pressure instruments and comprises a concentric-square-shaped block, a mounting assembly, a rotating assembly, a connecting assembly and a bottom plate, a filter pipe is arranged on the bottom plate and connected with a connecting port through an oil-water isolator, the connecting port is connected with an air source, and the connecting assembly is arranged on the bottom plate and connected with the concentric-square-shaped block through the rotating assembly. An installation assembly is arranged on the concentric-square-shaped block and connected with a pressure instrument, and a supporting base is arranged at the bottom of the bottom plate. By adding the mounting assembly, the pressure gauges which can be adjusted and matched in the radial direction and the longitudinal direction are added, the pressure gauges are simply and conveniently inserted into the mounting assembly, the mounting convenience is improved, by adding the rotating assembly, the direction of the pressure gauges can be adjusted, the pressure leakage problem is avoided, the stability is improved, and the practicability is high. The angle is conveniently adjusted; the applicability is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of pressure instruments, and in particular relates to a universal pressure instrument connecting device. Background Art

[0002] Pressure measuring instruments, also called pressure gauges or manometers, are industrial automation instruments used to measure gas or liquid pressure. They can be divided into many types according to their working principles, including liquid column type, elastic type and electrical type, etc. They can be used to detect water pressure, oil pressure and air pressure, etc. Pressure instruments need to be calibrated regularly to check whether they are accurate and stable. A connecting device is needed to connect the pressure instrument to an external pressure source.

[0003] At present, the common pressure instrument connection device adopts the traditional threaded connection during use. When encountering batches of pressure instruments for testing, the traditional threaded connection method of the connection device will delay a lot of time and reduce convenience.

[0004] The prior art CN208171514U discloses a pressure instrument detection quick connection device. Although it can simultaneously meet the automatic connection requirements of single pressure instruments of different ranges and batch pressure instruments of the same range during the detection process, the user only needs to connect the pressure instrument to the connection table, and the automatic connection and switching of the pressure instrument can be achieved by controlling the servo motor and the pressure generating device to output pressure. The batch detection task can be completed without manual disassembly during the detection process. However, it does not solve the problem of convenience when connecting the pressure instrument. During use, the purpose of automatic connection is achieved only by driving and controlling the motor. Summary of the invention

[0005] The purpose of the present invention is to provide a universal pressure instrument connection device to solve the problem raised in the above background technology that when encountering batches of pressure instruments for testing, the traditional connection device adopts threaded connection, which will delay a lot of time and reduce the convenience. To achieve the above purpose, the present invention provides the following technical solutions: a universal pressure instrument connection device, including a circular block, a mounting assembly, a rotating assembly, a connecting assembly, and a bottom plate. A filter tube is arranged on the bottom plate, and the filter tube is connected to the connecting port through an oil-water separator, and the connecting port is connected to the air source. A connecting assembly is arranged on the bottom plate, and the connecting assembly is connected to the circular block through a rotating assembly. A mounting assembly is arranged on the circular block, and the mounting assembly is connected to the pressure instrument.

[0006] Furthermore, a support seat is arranged at the bottom of the base plate.

[0007] Furthermore, an exhaust pressure relief and unblocking device is provided at the bottom of the base plate.

[0008] Furthermore, the exhaust pressure relief and unblocking device comprises a pressure relief hole, a second threaded tube, and a knob. The pressure relief hole is arranged at the bottom of the base plate, and an adjustable knob is arranged at the second threaded tube of the pressure relief hole.

[0009] Furthermore, a mounting assembly is arranged on the top of the circular block, and the circular block comprises a pressure-passing groove, and the pressure-passing groove is opened inside the circular block.

[0010] Furthermore, a pressure-passing port is provided on an inner wall of one side of the circular block, and the pressure-passing port is communicated with the pressure-passing groove.

[0011] Furthermore, the opposite sides of the circular blocks are movably connected with a rotating tube, and the side surface of the rotating tube is provided with a plurality of pressure holes, which are located at the position of the pressure port, and are connected with the pressure groove.

[0012] Furthermore, one end of the rotating tube is fixedly connected to a flip block, the top of the flip block is fixedly connected to a connecting head, the side surface of the connecting head is fixedly connected to a limiting block, the top of the connecting head is fixedly connected to a spring, the other end of the spring is fixedly connected to a lifting tube, a limiting groove is provided inside the lifting tube, and the limiting groove is adaptively connected to the limiting block, a plurality of clamping blocks are fixedly connected to the top of the connecting head of the inner ring of the spring, and the bottom of the clamping block is an elastic arc-shaped metal sheet connected to the connecting head.

[0013] Furthermore, a rotating assembly is provided at the bottom of the pressure-passing groove of the circular block, and the rotating assembly includes a connecting pipe, the top of the connecting pipe is fixedly connected to the bottom of the pressure-passing groove of the circular block, the side surface of the bottom of the connecting pipe is fixedly connected with a clamping ring, the bottom end of the connecting pipe is threadedly connected to the middle pipe, a rotating groove is opened inside the middle pipe, and the rotating groove is adaptively connected to the clamping ring.

[0014] Furthermore, a connecting assembly is provided at the bottom of the rotating assembly, the connecting assembly is connected to the bottom plate, the connecting assembly includes a threaded tube 1, the threaded tube 1 is fixedly connected to the bottom end of the middle tube, the bottom end of the threaded tube 1 is threadedly connected to the bottom tube, and the side surface of the bottom tube is movably connected with a protective sleeve.

[0015] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, this universal pressure instrument connection device, by adding an installation component, the pressure-passing groove inside the circular block is pressurized, and then the pressure source flows from the pressure-passing port into the pressure-passing hole on the side surface of the rotating tube, and then flows into the connecting head on the top of the flip block. The rotating tube can rotate with the flip block, and the radial and longitudinal pressure gauges can be adjusted to make the dials face each other, which is convenient for experimenters to observe and improve convenience. The lifting tube is lifted and lowered by a spring, and the limit groove and the limit block provide lifting and lowering limit and stability. The bottom of the block is an elastic arc-shaped metal sheet connected to the connecting head, one side of which is provided with a thread, and one side of the bottom has an elastic support for the block to expand outwardly. The top connection block of the block provides a limit for the lifting tube. When the lifting tube is pressed downward, the block spreads outward. At this time, the pressure gauge is inserted into the block, the lifting tube rebounds, and the block gathers the pressure gauge inward to fix it, which is simple and convenient, and improves convenience.

[0016] In the present invention, this universal pressure instrument connection device, by adding a rotating component, the clamping ring is clamped in the rotating groove, the middle tube and the connecting tube are tightly fitted, the connecting tube can be rotated without causing pressure leakage problems, the stability is improved, and the angle is conveniently adjusted to improve applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The overall three-dimensional structure of the present invention is shown in FIG. Figure 1 ; Figure 2 The local three-dimensional structure of the present invention is shown in FIG. Figure 1 ; Figure 3 The local three-dimensional structure of the present invention is shown in FIG. Figure 2 ; Figure 4 The local three-dimensional structure of the present invention is shown in FIG. Figure 3 ; Figure 5 It is a perspective schematic diagram of a local three-dimensional structure of the present invention.

[0018] In the figure: 1. circular block; 2. mounting assembly; 201. pressure groove; 202. pressure port; 203. rotating tube; 204. pressure hole; 205. flip block; 206. connector; 207. limit block; 208. lifting tube; 209. limit groove; 210. spring; 211. clamping block; 3. rotating assembly; 301. connecting tube; 302. clamping ring; 303. middle tube; 304. rotating groove; 4. connecting assembly; 401. threaded tube one; 402. bottom tube; 403. protective sleeve; 5. bottom plate; 6. support seat; 7. filter tube; 8. oil-water separator; 9. connecting port; 10. pressure relief hole; 11. threaded tube two; 12. knob. DETAILED DESCRIPTION

[0019] Embodiment 1: A universal pressure instrument connection device, such as Figure 1As shown, it includes a circular block 1, a mounting assembly 2, a rotating assembly 3, a connecting assembly 4, and a base plate 5. A filter tube 7 is arranged on the base plate 5. The filter tube 7 is connected to a connecting port 9 through an oil-water separator 8. The connecting port 9 is connected to an air source. A connecting assembly 4 is arranged on the base plate 5. The connecting assembly 4 is connected to the circular block 1 through the rotating assembly 3. A mounting assembly 2 is arranged on the circular block 1. The mounting assembly 2 is connected to a pressure instrument.

[0020] Wherein, a support seat 6 is arranged at the bottom of the base plate 5 .

[0021] Among them, Figure 3 As shown, an exhaust pressure relief and unblocking device is provided at the bottom of the base plate 5.

[0022] Among them, the exhaust pressure relief and unblocking device includes a pressure relief hole 10, a threaded tube 11, and a knob 12. The pressure relief hole 10 is set at the bottom of the base plate 5, and the threaded tube 11 of the pressure relief hole 10 is set with an adjustable knob 12. When the equipment is blocked and cannot be exhausted, the gas can be quickly discharged by adjusting the knob 12.

[0023] Among them, Figure 4 - Figure 5 As shown, a mounting assembly 2 is disposed on the top of the circular block 1 , and the circular block 1 includes a pressure-passing groove 201 , which is opened inside the circular block 1 .

[0024] A pressure-passing port 202 is provided on the inner wall of one side of the circular block 1 , and the pressure-passing port 202 is connected to the pressure-passing groove 201 .

[0025] The opposite sides of the circular block 1 are movably connected with a rotating tube 203 , and a plurality of pressure holes 204 are opened on the side surface of the rotating tube 203 . The pressure holes 204 are located at the position of the pressure port 202 , and the pressure holes 204 are connected with the pressure groove 201 .

[0026] Among them, one end of the rotating tube 203 is fixedly connected to a flip block 205, the top of the flip block 205 is fixedly connected to a connector 206, the side surface of the connector 206 is fixedly connected to a limiting block 207, the top of the connector 206 is fixedly connected to a spring 210, the other end of the spring 210 is fixedly connected to a lifting tube 208, a limiting groove 209 is provided inside the lifting tube 208, and the limiting groove 209 is adaptively connected to the limiting block 207, the top of the connector 206 of the inner circle of the spring 210 is fixedly connected to a plurality of clamping blocks 211, and the bottom of the clamping blocks 211 are elastic arc-shaped metal sheets connected to the connector 206.

[0027] This universal pressure instrument connection device, by adding the installation component 2, the pressure groove 201 inside the round block 1 is pressurized, and then the pressure source flows from the pressure port 202 into the pressure hole 204 on the side surface of the rotating tube 203, and then flows into the connector 206 on the top of the flip block 205. The rotating tube 203 can rotate with the flip block 205, and the pressure gauges adapted to the radial and longitudinal directions can be adjusted to make the dials face each other, which is convenient for the experimenter to observe and improve the convenience. The lifting tube 208 is lifted and lowered by the spring 210, and the limit groove 209 and the limit The positioning block 207 provides the lifting limit and stability. The bottom of the block 211 is an elastic arc-shaped metal sheet connected to the connector 206. One side is provided with a thread. One side of the bottom has an elastic support for the block to expand outward. The top connection block of the block 211 provides a limit for the lifting tube 208. When the lifting tube 208 is pressed downward, the block 211 spreads outward. At this time, the pressure gauge is inserted into the block 211, the lifting tube 208 rebounds, and the block 211 gathers inward to fix the pressure gauge, which is simple and convenient and improves convenience.

[0028] Among them, Figure 5 As shown, a rotating component 3 is provided at the bottom of the pressure-passing groove 201 of the circular block 1, and the rotating component 3 includes a connecting tube 301, the top of the connecting tube 301 is fixedly connected to the bottom of the pressure-passing groove 201 of the circular block 1, and a retaining ring 302 is fixedly connected to the side surface of the bottom of the connecting tube 301, and the bottom end of the connecting tube 301 is threadedly connected to the middle tube 303, and a rotating groove 304 is opened inside the middle tube 303, and the rotating groove 304 is adaptively connected to the retaining ring 302.

[0029] This universal pressure instrument connection device adds a rotating component 3, and the clamping ring 302 is clamped in the rotating groove 304. The middle tube 303 and the connecting tube 301 are tightly fitted. The connecting tube 301 can be rotated without causing pressure leakage problems, which improves stability and facilitates angle adjustment to improve applicability.

[0030] The rotating groove 304 is adapted to connect with the clamping ring 302, and the connecting pipe 301 is driven to rotate by rotating the middle pipe 303, and the connecting pipe 301 drives the circular block 1 above, and the circular block 1 drives the pressure instrument above to rotate, so as to adjust the direction of the pressure instrument.

[0031] During the rotation, since the connecting tube 301 and the middle tube 303 are closely connected and communicated, there will be no pressure leakage in the gas source.

[0032] Among them, Figure 2As shown, a connecting component 4 is provided at the bottom of the rotating component 3, and the connecting component 4 is connected to the bottom plate 5. The connecting component 4 includes a threaded tube 401, and the threaded tube 401 is fixedly connected to the bottom end of the middle tube 303. The bottom end of the threaded tube 401 is threadedly connected to the bottom tube 402, and the side surface of the bottom tube 402 is movably connected with a protective sleeve 403.

[0033] The gas source passes through the connecting port 9 in turn through the oil-water separator 8, the filter tube 7, the bottom plate 5, the connecting assembly 4, the rotating assembly 3, the pressure groove 201 of the circular block 1, the pressure port 202, the pressure hole 204, the rotating tube 203, the flip block 205, and the connecting head 206 to the pressure instrument for pressure boost and pressure reduction detection of the pressure instrument.

[0034] The function of the oil-water separator 8 is to filter the oil molecules in the gas, ensure the purity of the gas returning to the gas source, and avoid contamination of the pressure-generating equipment.

[0035] The function of the filter tube 7 is to filter the gas and prevent the industrial oil and residue in the pressure gauge from entering the gas source.

[0036] The function of the rotating assembly 3 is to adjust the rotation direction of the pressure instrument by 360 degrees without affecting the circulation of the gas source pipeline.

[0037] Example 2: Please refer to Figure 1 - Figure 5 A universal pressure instrument connection device comprises two circular blocks 1, a mounting assembly 2 is arranged on the top of the circular block 1, the mounting assembly 2 comprises a pressure-passing groove 201, the pressure-passing groove 201 is arranged inside the circular block 1, a pressure-passing port 202 is arranged on the inner wall of one side of the circular block 1, a rotating tube 203 is movably connected to the opposite side of the circular block 1, a plurality of pressure-passing holes 204 are arranged on the side surface of the rotating tube 203, one end of the rotating tube 203 is fixedly connected to a flip block 205, a connector 206 is fixedly connected to the top of the flip block 205, a limit block 207 is fixedly connected to the side surface of the connector 206, a spring 210 is fixedly connected to the top of the connector 206, a lifting tube 208 is fixedly connected to the other end of the spring 210, a limit groove 209 is arranged inside the lifting tube 208, and the limit groove 209 is adaptively connected to the limit block 207, and a plurality of clamping blocks 211 are fixedly connected to the top of the connector 206.

[0038] In this embodiment, Figure 1 , Figure 2 and Figure 5As shown, a rotating assembly 3 is provided at the bottom of the circular block 1, and the rotating assembly 3 includes a connecting tube 301, which is fixedly connected to the bottom of the circular block 1, and a clamping ring 302 is fixedly connected to the side surface of the connecting tube 301, and a middle tube 303 is fixedly connected to the bottom end of the connecting tube 301, and a rotating groove 304 is opened inside the middle tube 303, and the rotating groove 304 is adaptively connected to the clamping ring 302.

[0039] In this embodiment, Figure 1 and Figure 2 As shown, a connecting component 4 is provided at the bottom of the circular block 1, and the connecting component 4 includes a threaded tube 401, which is fixedly connected to the bottom end of the middle tube 303, and the bottom end of the threaded tube 401 is movably connected to the bottom tube 402, and the side surface of the bottom tube 402 is movably connected to the protective sleeve 403.

[0040] In this embodiment, Figure 1 and Figure 3 As shown, the bottom end of the bottom tube 402 is fixedly connected to the bottom plate 5 , and the bottom of the bottom plate 5 is fixedly connected to two support seats 6 .

[0041] In this embodiment, Figure 3 As shown, the top of the bottom plate 5 is fixedly connected to a filter tube 7, the top of the filter tube 7 is fixedly connected to an oil-water separator 8, and the top of the oil-water separator 8 is fixedly connected to a connection port 9.

[0042] In this embodiment, Figure 1 and Figure 2 As shown, a pressure relief hole 10 is fixedly connected to the bottom of the bottom plate 5 , a threaded tube 11 is fixedly connected to one end of the pressure relief hole 10 , and a knob 12 is connected to the inner thread of the threaded tube 11 .

[0043] The use method and advantages of the present invention: When the universal pressure instrument connection device is used, the working process is as follows: In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the pressure-passing groove 201 inside the circular block 1 is pressurized, and then the pressure source flows from the pressure-passing port 202 into the pressure-passing hole 204 on the side surface of the rotating tube 203, and then flows into the connector 206 on the top of the flip block 205. The rotating tube 203 can rotate with the flip block 205, and the pressure gauges adapted to the radial and longitudinal directions can be adjusted so that the dials are aligned, which is convenient for the experimenters to observe and improve the convenience. The lifting tube 208 is lifted and lowered by the spring 210, and the limit groove 209 and the limit block 207 provide the limit for lifting and lowering. To improve stability, the bottom of the block 211 is an elastic arc-shaped metal sheet connected to the connector 206, one side of which is provided with a thread, and one side of the bottom elastically supports the block 211 to expand outwardly, and the top of the block 211 is connected to a stopper to provide a limit for the lifting tube 208. When the lifting tube 208 is pressed downward, the block 211 spreads outward. At this time, the pressure gauge is inserted into the block 211, the lifting tube 208 rebounds, and the block 211 gathers inward to fix the pressure gauge, which is simple and convenient, and improves convenience.

[0044] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A universal pressure instrument connection device, characterized in that: The invention comprises a circular block (1), a mounting assembly (2), a rotating assembly (3), a connecting assembly (4), and a bottom plate (5). A filter tube (7) is arranged on the bottom plate (5). The filter tube (7) is connected to a connecting port (9) via an oil-water separator (8). The connecting port (9) is connected to an air source. A connecting assembly (4) is arranged on the bottom plate (5). The connecting assembly (4) is connected to the circular block (1) via a rotating assembly (3). A mounting assembly (2) is arranged on the circular block (1). The mounting assembly (2) is connected to a pressure meter. The mounting assembly (2) is arranged on the top of the circular block (1). The circular block (1) comprises a pressure-passing groove (201). The pressure-passing groove (201) is opened inside the circular block (1).

2. The universal pressure instrument connection device according to claim 1, characterized in that: An exhaust pressure relief and unblocking device is provided at the bottom of the base plate (5).

3. The universal pressure instrument connection device according to claim 2, characterized in that: The exhaust pressure relief and unblocking device comprises a pressure relief hole (10), a second threaded tube (11), and a knob (12); the pressure relief hole (10) is arranged at the bottom of the base plate (5); and an adjustable knob (12) is arranged on the second threaded tube (11) of the pressure relief hole (10).

4. The universal pressure instrument connection device according to claim 1, characterized in that: A support seat (6) is provided at the bottom of the base plate (5).

5. The universal pressure instrument connection device according to claim 1, characterized in that: A pressure-passing port (202) is provided on an inner wall of one side of the circular block (1), and the pressure-passing port (202) is connected to the pressure-passing groove (201).

6. The universal pressure instrument connection device according to claim 5, characterized in that: The opposite side of the circular block (1) is movably connected to a rotating tube (203), and a plurality of pressure holes (204) are provided on the side surface of the rotating tube (203). The pressure holes (204) are located at the position of the pressure port (202), and the pressure holes (204) are connected to the pressure groove (201).

7. The universal pressure instrument connection device according to claim 6, characterized in that: One end of the rotating tube (203) is fixedly connected to a flip block (205), the top of the flip block (205) is fixedly connected to a connector (206), the side surface of the connector (206) is fixedly connected to a limit block (207), the top of the connector (206) is fixedly connected to a spring (210), the other end of the spring (210) is fixedly connected to a lifting tube (208), a limit groove (209) is provided inside the lifting tube (208), and the limit groove (209) is adaptively connected to the limit block (207), the top of the connector (206) of the inner ring of the spring (210) is fixedly connected to a plurality of clamping blocks (211), and the bottom of the clamping blocks (211) is an elastic arc-shaped metal sheet connected to the connector (206).

8. The universal pressure instrument connection device according to claim 1, characterized in that: A rotating assembly (3) is arranged at the bottom of the pressure-passing groove (201) of the circular block (1), and the rotating assembly (3) comprises a connecting pipe (301), the top of the connecting pipe (301) is fixedly connected to the bottom of the pressure-passing groove (201) of the circular block (1), a clamping ring (302) is fixedly connected to the side surface of the bottom of the connecting pipe (301), the bottom end of the connecting pipe (301) is movably connected to the middle pipe (303), a rotating groove (304) is provided inside the middle pipe (303), and the rotating groove (304) is adaptively connected to the clamping ring (302).

9. The universal pressure instrument connection device according to claim 8, characterized in that: A connecting assembly (4) is provided at the bottom of the rotating assembly (3), the connecting assembly (4) being connected to the bottom plate (5), the connecting assembly (4) comprising a threaded tube (401), the threaded tube (401) being fixedly connected to the bottom end of the middle tube (303), the bottom end of the threaded tube (401) being threadedly connected to the bottom tube (402), and a protective sleeve (403) being movably connected to the side surface of the bottom tube (402).

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