Pressure detector connecting structure

Abstract

The utility model relates to the field of pressure detectors, in particular to a pressure detector connecting structure. The technical problems that a pressure detector connecting structure is difficult to replace, gas leakage is easily caused by infirm connection, the pressure measurement accuracy is affected, and safety risks exist are solved. According to the technical scheme, the pressure detector connecting structure comprises a detection assembly; the device further comprises a first connecting assembly, a second connecting assembly, a fixing assembly and a groove pressing assembly. The second pipe body is rotated to drive the first nut to move backwards on the outer wall of the first screw groove, so that the second pipe body enters the inner wall of the first screw groove, the first rubber rings evenly distributed on the outer wall of the second pipe body are attached to the first groove bodies evenly distributed on the inner wall of the first screw groove, and a multi-layer blocking structure is formed; the problem of gas leakage caused by infirm connection of the pressure detector is solved, and the problem that a connection structure is damaged and is difficult to replace is solved through a detachable structure.

Description

Technical Field

[0001] The utility model belongs to the field of pressure detection instruments, and in particular relates to a pressure detection instrument connection structure. Background Art

[0002] A pressure detector is an instrument used to measure the pressure of liquid or gas. It is usually composed of a sensor, a display and a connecting structure. The connecting structure refers to the part that connects the pressure detector to the measured medium (liquid or gas). In current use, when the connecting structure needs maintenance and replacement, since the pressure detector and the connecting structure are usually fixedly connected, it may become inconvenient to replace the connecting structure. If the pressure detector and the connecting structure are not firmly connected, it may cause an unstable connection, causing gas leakage and affecting the accuracy of pressure measurement. Utility Model Content

[0003] In order to overcome the problem that during the use of the detector, the connection structure of some detectors is usually fixed to the detector, which is inconvenient to replace and maintain. When the fixation is not firm, gas leakage occurs at the interface, resulting in inaccurate pressure measurement.

[0004] The technical solution of the utility model is: a pressure detector connection structure, including a detection component; also including a first connection component, a second connection component, a fixing component and a groove pressing component; the detection component is provided with a first connection component for connection; the first connection component is provided with a second connection component for connection; the second connection component is provided with a fixing component for fixing; the fixing component is provided with a groove pressing component for extruding a fourth tube body.

[0005] Preferably, when pressure detection is required, the first connecting component is inserted into the detection component, the first connecting component is rotated to fix the first connecting component on the detection component, and then the second connecting component is inserted into the first connecting component, the second connecting component is rotated to fix the second connecting component on the first connecting component, and then the fixing component is sleeved on the second connecting component, and the second connecting component is fixed by the groove assembly and the fixing assembly to prevent gas leakage. The detachable second connecting component and the first connecting component make it convenient to replace the connecting structure when the connecting structure is damaged. The setting of the fixing component and the first connecting component can prevent the connecting component from being loosely fixed to the detector, which solves the problem that during the use of the detector, the connecting structure of some detectors is usually fixedly connected to the detector, which is inconvenient to replace and maintain. When the fixation is not firm, gas leakage occurs at the interface, resulting in inaccurate pressure measurement.

[0006] Preferably, the detection component includes a detector, a first tube body, a first screw sleeve and a first groove body; the outer wall of the detector is fixedly connected to two first tube bodies; the front end of the first tube body is fixedly connected to the first screw sleeve; the inner wall of the first screw sleeve is provided with evenly distributed first groove bodies, and the gas enters the detector through the first tube body at the front end for pressure detection and is discharged from the first tube body at the right end.

[0007] Preferably, the first connecting assembly includes a second tube body, a first rubber ring and a first nut; the second tube body is movably provided on the inner wall of the first screw sleeve; the outer wall of the second tube body fits with the inner wall of the first screw sleeve; the outer walls of the front and rear ends of the second tube body are fixedly connected with evenly distributed first rubber rings; the outer walls of the front and rear ends of the second tube body are fixedly connected with first nuts; the ends of the first tube body and the first nut close to each other fit together; the first rubber ring fits with the first groove body; another first nut is threadedly installed on the outer wall of the first screw sleeve, and the second tube body is placed at the front end of the first screw sleeve. By rotating the first nut, the other first nut is displaced backward on the outer wall of the first screw sleeve, thereby driving the second tube body to slowly insert into the inner wall of the first screw sleeve, so that the outer wall of the first rubber ring fits with the first groove body on the first screw sleeve, forming a multi-layer blocking structure, which can effectively prevent gas leakage.

[0008] Preferably, the second connecting assembly includes a third tube body, a second screw sleeve, a fixing ring and a second groove body; the second screw sleeve is movably provided on the outer wall of the front end of the second tube body; the third tube body is fixedly connected to the front end of the second screw sleeve; the fixing ring is fixedly connected to the outer wall of the third tube body; the inner wall of the second screw sleeve is provided with evenly distributed second groove bodies; the second groove body is adapted to the first rubber ring; the first nut is threadedly installed on the outer wall of the second screw sleeve, and the second screw sleeve is placed on the outer wall of the front end of the second tube body and the second screw sleeve is rotated to move the second screw sleeve to the rear end on the inner wall of the first nut, so that the front end of the second tube body is inserted into the inner wall of the second screw sleeve, and the second groove body and the first rubber ring at the front end of the second tube body form a multi-layer blocking structure to prevent gas leakage.

[0009] Preferably, the fixing assembly includes a first clamping ring, a second clamping ring, a latch, a bolt, a screw groove and a delivery tube; the outer wall of the third tube body is sleeved with a delivery tube; the outer wall of the delivery tube is movably provided with a first clamping ring and a second clamping ring; the first clamping ring and the second clamping ring are hinged by the latch; screw grooves are provided through the left and right ends of the second clamping ring; a bolt is provided above the first clamping ring; the bolt passes through the first clamping ring and is threadedly installed on the inner wall of the screw groove, and when the delivery tube is sleeved on the outer wall of the third tube body, the bolt is rotated to make the second clamping ring approach the first clamping ring, thereby clamping and fixing the delivery tube to prevent the delivery tube from falling off the outer wall of the third tube body.

[0010] Preferably, the groove pressing assembly includes a third groove body and a fourth groove body; the inner wall of the first clamping ring is provided with a third groove body; the inner wall of the second clamping ring is provided with a fourth groove body, and the cylindrical groove body formed by the third groove body and the fourth groove body forms a two-layer blocking structure. When the first clamping ring and the second clamping ring are close to each other, the conveying pipe and the third pipe body fit more firmly.

[0011] Preferably, the inner walls of the first clamping ring and the second clamping ring are arc-shaped; the distance between the inner wall of the first clamping ring and the inner wall of the second clamping ring and the outer wall of the third tube body is ten millimeters, which is convenient for connecting and fixing conveying pipes with different radii to the connecting structure.

[0012] Beneficial effects of the utility model:

[0013] 1. By placing the second tube body at the front end of the first screw sleeve and rotating the first nut, the other first nut is displaced backward on the outer wall of the first screw sleeve, thereby driving the second tube body to slowly insert into the inner wall of the first screw sleeve, so that the outer wall of the evenly distributed first rubber ring fits with the evenly distributed first groove body on the first screw sleeve, and a multi-layer blocking structure is formed to solve the problem of gas leakage affecting the measurement result due to loose fixation;

[0014] 2. By sleeve-arranging the delivery pipe on the outer wall of the third pipe body and rotating the bolt, the second clamping ring is moved closer to the first clamping ring, so as to clamp and fix the delivery pipe. The groove body formed by the third groove body and the fourth groove body forms a two-layer blocking structure. When the first clamping ring and the second clamping ring are close to each other, the delivery pipe and the third pipe body are more firmly attached, which solves the problem of gas leakage caused by the loose connection and fixation between the connection structure and the gas transmission port;

[0015] 3. By providing a detachable second tube body, the first rubber ring on the second tube body is sealedly connected with the first screw sleeve and the second screw sleeve at the front and rear ends, which facilitates subsequent replacement and maintenance when the second tube body is damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a three-dimensional structural schematic diagram of a pressure detector connection structure of the utility model;

[0017] Figure 2 What is shown is a three-dimensional structural schematic diagram of a detection component of a pressure detector connection structure of the utility model;

[0018] Figure 3 What is shown is a three-dimensional structural schematic diagram of a first connecting component of a pressure detector connecting structure of the utility model;

[0019] Figure 4What is shown is a three-dimensional structural schematic diagram of a second connecting component of a pressure detector connecting structure of the utility model;

[0020] Figure 5 What is shown is a three-dimensional structural schematic diagram of a fixing component and a groove pressing component of a pressure detector connection structure of the utility model.

[0021] Figure 6 What is shown is a three-dimensional cross-sectional structural schematic diagram of a first connecting component and a second component of a pressure detector connection structure of the utility model.

[0022] The marks in the accompanying drawings are: 1-detection component, 101-detector, 102-first tube body, 103-first screw sleeve, 104-first slot body, 2-first connecting component, 201-second tube body, 202-first rubber ring, 203-first nut, 3-second connecting component, 301-third tube body, 302-second screw sleeve, 303-fixing ring, 304-second slot body, 4-fixing component, 401-first clamping ring, 402-second clamping ring, 403-pin, 404-bolt, 405-screw groove, 406-delivery pipe, 5-groove pressing component, 501-third slot body, 502-fourth slot body. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] See also Figure 1 The utility model provides an embodiment: a pressure detector connection structure, including a detection component 1; also including a first connection component 2, a second connection component 3, a fixing component 4 and a groove pressing component 5; the detection component 1 is provided with a first connection component 2 for connection; the first connection component 2 is provided with a second connection component 3 for connection; the second connection component 3 is provided with a fixing component 4 for fixing; the fixing component 4 is provided with a groove pressing component 5 for extruding a fourth tube body.

[0025] See also Figure 2 In this embodiment, the detection component 1 includes a detector 101, a first tube body 102, a first screw sleeve 103 and a first groove body 104; the outer wall of the detector 101 is fixedly connected to two first tube bodies 102; the front end of the first tube body 102 is fixedly connected to the first screw sleeve 103; the inner wall of the first screw sleeve 103 is provided with uniformly distributed first grooves 104.

[0026] See also Figure 3-6In this embodiment, the first connecting component 2 includes a second tube body 201, a first rubber ring 202 and a first nut 203; the second tube body 201 is movably provided on the inner wall of the first screw sleeve 103; the outer wall of the second tube body 201 is fitted with the inner wall of the first screw sleeve 103; the outer walls of the front and rear ends of the second tube body 201 are fixedly connected with uniformly distributed first rubber rings 202; the outer walls of the front and rear ends of the second tube body 201 are fixedly connected with the first nut 203; the ends of the first tube body 102 and the first nut 203 that are close to each other are fitted; the first rubber ring 202 is adapted to the first groove body 104; another first nut 203 is threadedly installed on the outer wall of the first screw sleeve 103.

[0027] See also Figure 4-6 In this embodiment, the second connecting component 3 includes a third tube body 301, a second screw sleeve 302, a fixing ring 303 and a second groove body 304; the front end outer wall of the second tube body 201 is movably provided with a second screw sleeve 302; the front end of the second screw sleeve 302 is fixedly connected to the third tube body 301; the outer wall of the third tube body 301 is fixedly connected to the fixing ring 303; the inner wall of the second screw sleeve 302 is provided with uniformly distributed second groove bodies 304; the second groove body 304 is adapted to the first rubber ring 202; the first nut 203 is threadedly installed on the outer wall of the second screw sleeve 302.

[0028] See also Figure 5 In this embodiment, the fixing assembly 4 includes a first clamping ring 401, a second clamping ring 402, a latch 403, a bolt 404, a screw groove 405 and a delivery tube 406; the outer wall of the third tube body 301 is sleeved with a delivery tube 406; the outer wall of the delivery tube 406 is movably provided with a first clamping ring 401 and a second clamping ring 402; the first clamping ring 401 and the second clamping ring 402 are hinged by the latch 403; screw grooves 405 are opened at both ends of the second clamping ring 402; the upper part of the first clamping ring 401 A bolt 404 is provided; the bolt 404 passes through the first clamping ring 401 and is threadedly installed on the inner wall of the screw groove 405, and the inner walls of the first clamping ring 401 and the second clamping ring 402 are arc-shaped; the inner wall of the first clamping ring 401 and the inner wall of the second clamping ring 402 are ten millimeters away from the outer wall of the third tube body 301, and the groove pressing assembly 5 includes a third groove body 501 and a fourth groove body 502; the inner wall of the first clamping ring 401 is provided with a third groove body 501; the inner wall of the second clamping ring 402 is provided with a fourth groove body 502.

[0029] When installing the detector, the second tube body 201 is placed at the front end of the first screw sleeve 103, and the first nut 203 close to the detector 101 is moved backward on the outer wall of the first screw sleeve 103 by rotating the second tube body 201, so that the second tube body 201 is slowly inserted into the inner wall of the first screw sleeve 103, so that the outer wall of the first rubber ring 202 fits with the first groove body 104 on the first screw sleeve 103, and the second screw sleeve 302 is placed on the front end outer wall of the second tube body 201, and the second screw sleeve 302 is rotated to move the second screw sleeve 302 to the rear end of the inner wall of the first nut 203, so that the front end of the second tube body 201 is inserted into the inner wall of the second screw sleeve 302, and the second groove body 304 and the first rubber ring 202 at the front end of the second tube body 201 form a multi-layer blocking structure to prevent gas leakage;

[0030] Then, the delivery tube 406 is sleeved on the outer wall of the third tube body 301, and the bolt 404 is rotated to make the second clamping ring 402 approach the first clamping ring 401, so as to clamp and fix the delivery tube 406. The groove body formed by the third groove body 501 and the fourth groove body 502 forms a two-layer blocking structure. When the first clamping ring 401 and the second clamping ring 402 are close to each other, the delivery tube 406 and the third tube body 301 are more firmly attached.

[0031] The gas enters the detector 101 through the first tube body 102 at the front end to perform pressure detection, and then is discharged from the first tube body 102 at the right end.

[0032] Through the above steps, when pressure detection is required, the first connecting component 2 is inserted into the detection component 1, the first connecting component 2 is rotated to fix the first connecting component 2 on the detection component 1, and then the second connecting component 3 is inserted into the first connecting component 2, the second connecting component 3 is rotated to fix the second connecting component 3 on the first connecting component 2, and then the fixing component 4 is sleeved on the second connecting component 3, and the second connecting component 3 is fixed by the groove component 5 and the fixing component 4 to prevent gas leakage. The detachable second connecting component 3 and the first connecting component 2 make it convenient to replace the connecting structure when it is damaged. The setting of the fixing component 4 and the first connecting component 2 can prevent the problem of gas leakage caused by the connection component and the detector being not firmly fixed.

[0033] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A pressure detector connection structure, comprising a detection component (1); characterized in that: The invention also comprises a first connecting component (2), a second connecting component (3), a fixing component (4) and a groove pressing component (5); the detection component (1) is provided with a first connecting component (2) for connection; the first connecting component (2) is provided with a second connecting component (3) for connection; the second connecting component (3) is provided with a fixing component (4) for fixing; the fixing component (4) is provided with a groove pressing component (5) for pressing the fourth tube body.

2. A pressure detector connection structure according to claim 1, characterized in that: The detection component (1) comprises a detection instrument (101), a first tube body (102), a first screw sleeve (103) and a first slot body (104); the outer wall of the detection instrument (101) is fixedly connected to two first tube bodies (102); the front end of the first tube body (102) is fixedly connected to the first screw sleeve (103); and the inner wall of the first screw sleeve (103) is provided with evenly distributed first slot bodies (104).

3. A pressure detector connection structure according to claim 2, characterized in that: The first connection assembly (2) comprises a second tube body (201), a first rubber ring (202) and a first nut (203); the second tube body (201) is movably arranged on the inner wall of the first screw sleeve (103); the outer wall of the second tube body (201) is fitted with the inner wall of the first screw sleeve (103); the outer walls of the front and rear ends of the second tube body (201) are fixedly connected with uniformly distributed first rubber rings (202); the outer walls of the front and rear ends of the second tube body (201) are fixedly connected with the first nut (203); the first tube body (102) and the first nut (203) are fitted at one end close to each other; the first rubber ring (202) is matched with the first groove body (104); and another first nut (203) is threadedly mounted on the outer wall of the first screw sleeve (103).

4. A pressure detector connection structure according to claim 3, characterized in that: The second connection assembly (3) comprises a third tube body (301), a second screw sleeve (302), a fixing ring (303) and a second groove body (304); the second screw sleeve (302) is movably arranged on the front end outer wall of the second tube body (201); the front end of the second screw sleeve (302) is fixedly connected to the third tube body (301); the outer wall of the third tube body (301) is fixedly connected to the fixing ring (303); the inner wall of the second screw sleeve (302) is provided with uniformly distributed second groove bodies (304); the second groove body (304) is matched with the first rubber ring (202); and the first nut (203) is threadedly mounted on the outer wall of the second screw sleeve (302).

5. A pressure detector connection structure according to claim 4, characterized in that: The fixing assembly (4) comprises a first clamping ring (401), a second clamping ring (402), a latch (403), a bolt (404), a screw groove (405) and a delivery pipe (406); the outer wall of the third tube body (301) is sleeved with the delivery pipe (406); the outer wall of the delivery pipe (406) is movably provided with the first clamping ring (401) and the second clamping ring (402); the first clamping ring (401) and the second clamping ring (402) are hingedly connected by the latch (403); screw grooves (405) are provided through the left and right ends of the second clamping ring (402); a bolt (404) is provided above the first clamping ring (401); the bolt (404) passes through the first clamping ring (401) and is threadedly installed on the inner wall of the screw groove (405).

6. A pressure detector connection structure according to claim 5, characterized in that: The groove pressing assembly (5) comprises a third groove body (501) and a fourth groove body (502); the inner wall of the first clamping ring (401) is provided with the third groove body (501); the inner wall of the second clamping ring (402) is provided with the fourth groove body (502); the third groove body (501) and the fourth groove body (502) form a cylindrical groove body.

7. A pressure detector connection structure according to claim 5, characterized in that: The inner walls of the first clamping ring (401) and the second clamping ring (402) are arc-shaped; the distance between the inner wall of the first clamping ring (401) and the inner wall of the second clamping ring (402) and the outer wall of the third tube body (301) is ten millimeters.

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