Pressure measuring connector with anti-loosening effect

Abstract

The utility model relates to the technical field of pressure measuring joints, and discloses a pressure measuring joint with an anti-loosening effect, which comprises a pressure measuring joint main body, the bottom of the pressure measuring joint main body is fixedly connected with an anti-loosening mechanism, the bottom of the anti-loosening mechanism is fixedly connected with a threaded column, and the surface of the threaded column is in threaded connection with a threaded interface. According to the pressure measuring connector with the anti-loosening effect, through the arrangement of the anti-loosening mechanism, when the pressure measuring connector body is installed, a supporting spring is installed on the surface of a supporting column, meanwhile, a threaded column at the supporting bottom is rotated till the threaded column is fixed into a threaded connector, at the moment, the supporting spring is in an extruded state, and when equipment vibrates, the supporting spring is in an extruded state; due to the fact that the upward reverse acting force provided by the supporting spring is larger than the rotating force generated by the threaded column due to vibration, the loosening trend of the threaded column can be effectively restrained, the problems of medium leakage and the like caused by loosening are solved, and it is ensured that the pressure measuring connector can still work stably and reliably in the complex vibration environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure measuring connector technical field especially relates to a pressure measuring connector with anti loosening effect. BACKGROUND

[0002] Pressure measuring connector has wide application in industrial production, automobile manufacturing, aerospace and many other fields, and is mainly used for connecting measuring instrument and measured system to obtain pressure data in the system. However, the existing pressure measuring connector often faces loosening problem in actual use, which brings many adverse effects to pressure measurement.

[0003] In industrial pipeline system, vibration is generated due to flow of fluid in the pipeline, which is transmitted to the pressure measuring connector connected therewith. Under the action of long-time vibration, the ordinary pressure measuring connector is prone to gradual loosening. Once the pressure measuring connector is loosened, the accuracy of pressure measurement is affected first. Because loosening may cause small gap between the connector and the measured system, external air may enter and interfere with the pressure in the measured system, so that the measurement result deviates, and the actual pressure condition of the system cannot be truly reflected. For some production processes with extremely high pressure precision requirement, it may lead to product quality decline or even production accident, therefore, the pressure measuring connector with anti loosening effect is provided. SUMMARY

[0004] (I) Technical problem solved

[0005] The utility model discloses a pressure measuring connector with anti loosening effect, which solves the problem of gradual loosening of ordinary pressure measuring connector under the action of long-time vibration, and the problem of affecting the accuracy of pressure measurement once the pressure measuring connector is loosened.

[0006] (II) Technical scheme

[0007] To achieve the above object, the utility model discloses a pressure measuring connector with anti loosening effect, which comprises a pressure measuring connector main body, a loosening prevention mechanism fixedly connected to the bottom of the pressure measuring connector main body, a threaded column fixedly connected to the bottom of the loosening prevention mechanism, a threaded interface threadedly connected to the surface of the threaded column, a sealing groove formed in the surface of the threaded interface, a sealing mechanism installed in the sealing groove, and a support column fixedly connected to the bottom of the pressure measuring connector main body, wherein the support column is provided with a support spring.

[0008] As a further scheme of the utility model, the top of the supporting spring is fixedly connected to the bottom of the pressure measuring connector main body, and the bottom of the supporting spring is overlapped with a connector, the connector is arranged to support the pressure measuring connector main body.

[0009] As a further scheme of the utility model, the screw joint is mounted on the top of the connector, the top of the pressure measuring connector main body is provided with a measuring port, the measuring port is arranged to connect external measuring tools.

[0010] As a further scheme of the utility model, the connector is provided with a connecting port on one side, and a screw joint on the other side, the connecting port is arranged to connect external equipment.

[0011] As a further scheme of the utility model, the measuring port is inserted with a sealing pin, and the top of the sealing pin is fixedly connected with a sealing cover, the sealing cover is arranged to prevent dust.

[0012] As a further scheme of the utility model, the surface of the sealing pin is sleeved with a sealing gasket, and the sealing gasket is made of rubber, the sealing gasket is arranged to seal.

[0013] As a further scheme of the utility model, the surface of the sealing cover is sleeved with a positioning ring, one side of the positioning ring is fixedly connected with a connecting rope, and the connecting rope is fixedly connected to the surface of the pressure measuring connector main body, the connecting rope is arranged to fix the sealing cover.

[0014] (Three) beneficial effects

[0015] The utility model provides a pressure measuring connector with anti-loosening effect, has the following beneficial effects:

[0016] 1、the pressure measuring connector with anti-loosening effect is provided with an anti-loosening mechanism, when the pressure measuring connector main body is installed, the supporting spring is installed on the surface of the supporting column, and the threaded column of the supporting bottom is rotated until the threaded column is fixed in the screw joint, at this time, the supporting spring is in the extrusion state, when the equipment vibrates, because the upward reverse force provided by the supporting spring is greater than the rotating force of the threaded column caused by vibration, the loosening trend of the threaded column is effectively inhibited, the problems such as medium leakage caused by loosening are avoided, and the pressure measuring connector can still work stably and reliably in a complex vibration environment.

[0017] 2、The pressure measuring connector with the anti-loosening effect is characterized in that a sealing groove is arranged in the threaded interface when the equipment is installed, an annular sealing ring is arranged in the sealing groove, the annular sealing ring is extruded by the force applied to the top when the pressure measuring connector body is installed in the threaded interface, the buffer spring in the annular sealing ring is deformed by the force, an upward force is generated, the annular sealing ring is tightly attached to the upper and lower support surfaces, the equipment sealing performance is improved, the equipment connection sealing is not loose, and the final measurement result is affected. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a whole structure schematic view of the utility model;

[0019] Fig. 2 It is a anti-loosening mechanism structure schematic view of the utility model;

[0020] Fig. 3 It is a connector structure schematic view of the utility model;

[0021] Fig. 4 It is a sealing mechanism structure schematic view of the utility model.

[0022] In the drawing: 1, pressure measuring connector body; 2, anti-loosening mechanism; 201, support column; 202, support spring; 3, threaded column; 4, threaded interface; 5, sealing mechanism; 501, annular sealing ring; 502, buffer spring; 6, connector; 7, measurement port; 8, connecting port; 9, threaded connector; 10, sealing pin; 11, sealing cover; 12, sealing gasket; 13, positioning ring; 14, connecting rope. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figs. 1 to 4The utility model provides a technical scheme: a pressure measuring connector with anti -loose effect, including pressure measuring connector main part 1, the bottom fixed connection of pressure measuring connector main part 1 has anti -loose mechanism 2, through the setting of anti -loose mechanism 2, avoid the medium leakage and other problems caused by loosening, ensure that pressure measuring connector still can reliably work stably under complex vibration environment, the bottom fixed connection of anti -loose mechanism 2 has threaded column 3, the surface screw thread connection of threaded column 3 has threaded connector 4, the surface of threaded connector 4 is set with sealing groove, and sealing mechanism 5 is installed in the inside of sealing groove, through the setting of sealing mechanism 5, thereby reached the effect of improving equipment sealing, avoid the equipment connection place not firm, influence final measurement result, anti -loose mechanism 2 includes the support column 201 of fixed connection in pressure measuring connector main part 1 bottom, and the surface of support column 201 is sleeved with support spring 202, and sealing mechanism 5 includes the annular sealing ring 501 of installation in sealing groove inside, and the inside of annular sealing ring 501 is installed with buffer spring 502,

[0025] The top of support spring 202 is fixedly connected to the bottom of pressure measuring connector main part 1, and the bottom of support spring 202 is overlapped with a connecting head 6, and the connecting head 6 is arranged to support the pressure measuring connector main part 1.

[0026] The threaded connector 4 is installed at the top of the connecting head 6, a measuring port 7 is formed at the top of the pressure measuring connector main part 1, and the measuring port 7 is arranged to connect external measuring tools.

[0027] A connecting port 8 is installed on one side of the connecting head 6, and a threaded connector 9 is installed on the other side of the connecting head 6, and the connecting port 8 is arranged to connect external equipment.

[0028] A sealing pin 10 is inserted into the measuring port 7, and a sealing cover 11 is fixedly connected to the top of the sealing pin 10, and the sealing cover 11 is arranged to prevent dust.

[0029] A sealing gasket 12 is sleeved on the surface of the sealing pin 10, and the sealing gasket 12 is made of rubber, and the sealing gasket 12 is arranged to seal.

[0030] A positioning ring 13 is sleeved on the surface of the sealing cover 11, and a connecting rope 14 is fixedly connected to one side of the positioning ring 13, and the connecting rope 14 is fixedly connected to the surface of the pressure measuring connector main part 1, and the connecting rope 14 is arranged to fix the sealing cover 11.

[0031] In the utility model, the working steps of the device are as follows:

[0032] First step: when installing the pressure connector main body 1, the supporting spring 202 is installed on the surface of the supporting column 201, and the threaded column 3 of the supporting bottom is rotated until the threaded column 3 is fixed in the threaded interface 4, at this time, the supporting spring 202 is in a compressed state, and when the equipment vibrates, because the upward counteracting force provided by the supporting spring 202 is greater than the rotating force of the threaded column 3 caused by vibration, the loosening tendency of the threaded column 3 is effectively inhibited;

[0033] Second step: when installing the equipment, the threaded interface 4 is provided with a sealing groove, and the annular sealing ring 501 is installed in the sealing groove, after the pressure connector main body 1 is installed in the threaded interface 4, the annular sealing ring 501 is extruded by the upward force applied by the top, so that the buffer spring 502 in the annular sealing ring 501 is deformed under stress and generates an upward force, so that the annular sealing ring 501 is tightly attached to the upper and lower supporting surfaces.

[0034] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the technical principle of the design, and under the premise that the above-mentioned utility model principle is understood by the person skilled in the art, the specific power mechanism, power supply system and control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

[0035] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional bolt, rivet, welding and other conventional means in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art, the structure and principle are known by the person skilled in the art through technical manual or through conventional experimental method.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principle and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A load cell having an anti-loosening effect, comprising a load cell body (1), characterized in that: The bottom of the pressure tap body (1) is fixedly connected with an anti-loosening mechanism (2), the bottom of the anti-loosening mechanism (2) is fixedly connected with a threaded column (3), the surface of the threaded column (3) is threadedly connected with a threaded interface (4), the surface of the threaded interface (4) is provided with a sealing groove, and the inside of the sealing groove is provided with a sealing mechanism (5), The anti-loosening mechanism (2) comprises a supporting column (201) fixedly connected to the bottom of the pressure tap body (1), and the surface of the supporting column (201) is sleeved with a supporting spring (202); The sealing mechanism (5) comprises an annular sealing ring (501) installed in the sealing groove, and the inside of the annular sealing ring (501) is provided with a buffer spring (502).

2. A load cell according to claim 1 having anti-loosening effect, characterized in that: The top of the supporting spring (202) is fixedly connected to the bottom of the pressure tap body (1), and the bottom of the supporting spring (202) is overlapped with a connecting head (6).

3. The load cell according to claim 1, wherein: The threaded interface (4) is installed at the top of the connecting head (6), and the top of the pressure tap body (1) is provided with a measuring port (7).

4. The load cell according to claim 2, wherein: One side of the connecting head (6) is provided with a connecting port (8), and the other side of the connecting head (6) is provided with a threaded connector (9).

5. The load cell according to claim 3, wherein: The inside of the measuring port (7) is inserted with a sealing pin (10), and the top of the sealing pin (10) is fixedly connected with a sealing cover (11).

6. A load cell according to claim 5, wherein: The surface of the sealing pin (10) is sleeved with a sealing gasket (12), and the material of the sealing gasket (12) is rubber.

7. The load button of claim 5, wherein: The surface of the sealing cover (11) is sleeved with a positioning ring (13), one side of the positioning ring (13) is fixedly connected with a connecting rope (14), and the connecting rope (14) is fixedly connected to the surface of the pressure tap body (1).

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