Instrument valve convenient to install

Abstract

The utility model belongs to the technical field of gauge valves, and particularly relates to a gauge valve convenient to install, which comprises a main valve body, a valve body connecting pipe fixed with the main valve body, and a pipeline connecting pipe connected with a pipeline, the pipeline connecting pipe is provided with an embedded block integrally formed with the first semicircular groove, a first supporting sleeve is arranged in the side, close to the first semicircular groove, of the valve body connecting pipe, a first sealing ring is arranged in a gap between the valve body connecting pipe and the first supporting sleeve, and one end of the pipeline connecting pipe is arranged on a connector connected with a pipeline. Firstly, the connecting end of the valve body connecting pipe and the connecting end of the pipeline connecting pipe are arranged to be of an up-down butt joint type matching structure, other space does not need to be reserved during butt joint, the arranged first semicircular groove and the arranged second semicircular groove can achieve the circumferential limiting effect, and the embedded block and the embedded groove can achieve the axial limiting effect; and the locking mechanism has the effects of stable connection and convenient operation.

Description

Technical Field

[0001] The utility model belongs to the technical field of instrument valves, and in particular relates to an instrument valve which is easy to install. Background Art

[0002] The instrument valve is a kind of pipeline accessory. It is a device used to change the passage section and the flow direction of the medium and control the flow of the conveying medium.

[0003] The connection of the instrument valve requires that the connecting end of the pipeline be connected to the pipeline first, and then the joint of the pipeline end is connected to the valve body end through threads. During the installation and removal process, it is necessary to have enough distance for the thread to move. If the connected pipelines are all metal structures or the ends are in a fixed state, it is not easy to install and remove the instrument valve;

[0004] In order to solve the above problems, the present application proposes an instrument valve that is easy to install. Utility Model Content

[0005] In order to solve the above problems existing in the prior art, the utility model provides an instrument valve which is easy to install and has the characteristics of high efficiency and stable connection.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an instrument valve that is easy to install, comprising a main valve body and a valve body connecting pipe fixed to the main valve body, and a pipe connecting pipe connected to the pipe, the valve body connecting pipe is provided with a No. 1 semicircular groove on the side away from the main valve body, the pipe connecting pipe is provided with an engaging block integrally formed with the No. 1 semicircular groove, a No. 1 supporting sleeve is provided inside the valve body connecting pipe close to the No. 1 semicircular groove, a No. 1 sealing ring is provided at the gap between the valve body connecting pipe and the No. 1 supporting sleeve, one end of the pipe connecting pipe is provided at a connecting head connected to the pipe, and a No. 2 semicircular groove is provided at the other end, the pipe connecting pipe is also provided with an engaging groove that communicates with the No. 2 semicircular groove, a No. 2 supporting sleeve is provided at the end of the inner side of the pipe connecting pipe away from the connecting head, and a No. 2 sealing ring is also provided between the No. 2 supporting sleeve and the pipe connecting pipe, and a locking mechanism is also provided at the connection between the valve body connecting pipe and the pipe connecting pipe.

[0007] As an optimal technical solution for an instrument valve that is easy to install in the utility model, the No. 1 semicircular groove and the No. 2 semicircular groove are butted against each other, and the No. 1 support sleeve, the No. 1 sealing ring and the engaging groove, and the No. 2 support sleeve are arranged in an inclined manner to match each other up and down and butt against each other.

[0008] As a preferred technical solution of the utility model for an instrument valve that is easy to install, the engaging block is engaged and connected with the engaging groove.

[0009] As an optimal technical solution for an instrument valve that is easy to install in the utility model, the locking mechanism includes an external threaded sleeve formed on the outer surface of the valve body connecting pipe and an internal threaded sleeve threadedly engaged with the outer end of the external threaded sleeve, as well as an extrusion sleeve integrally formed at one end of the internal threaded sleeve and a driving block formed at the outer end of the internal threaded sleeve, and also includes a No. 1 pressure block fixed to the outside of one end of the valve body connecting pipe away from the No. 1 semicircular groove and a No. 2 pressure block fixed to the outside of one end of the pipeline connecting pipe away from the No. 2 semicircular groove.

[0010] As an optimal technical solution for an instrument valve that is easy to install in the utility model, the No. 1 pressure block and the No. 2 pressure block are symmetrically arranged, and the extrusion sleeve and the No. 1 pressure block and the No. 2 pressure block are extrusion-matched and inclined.

[0011] As a preferred technical solution for an instrument valve that is easy to install in the utility model, the extrusion sleeve is in contact with the first pressure block and the second pressure block through spiral extrusion of the external threaded sleeve and the internal threaded sleeve.

[0012] Compared with the prior art, the beneficial effects of the utility model are: first, the valve body pipe connection end and the pipeline pipe connection end are arranged into a matching structure of upper and lower docking, and no other space needs to be left when docking. The arranged semicircular groove No. 1 and semicircular groove No. 2 can play a circumferential limiting role, and the interlocking block and the interlocking groove can play an axial limiting role; secondly, the locking mechanism has the effect of stable connection and convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the structure of the utility model after partial connection;

[0015] Figure 2 For the utility model Figure 1 A schematic diagram of the structure viewed from the rear side;

[0016] Figure 3 It is a schematic diagram of the half-section structure of the locking mechanism after the valve body pipe and the pipeline pipe are connected in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the pipeline connecting pipe and its accessories in the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the valve body pipe and its accessories in the utility model;

[0019] Figure 6 It is a partially cutaway and enlarged structural schematic diagram of the locking mechanism in the utility model;

[0020] In the figure: 1. main valve body; 2. valve body connecting pipe; 21. semicircular groove No. 1; 22. fitting block; 23. support sleeve No. 1; 24. sealing ring No. 1; 3. pipe connecting pipe; 31. connector; 32. semicircular groove No. 2; 33. fitting groove; 34. support sleeve No. 2; 35. sealing ring No. 2; 4. locking mechanism; 41. external thread sleeve; 42. internal thread sleeve; 43. extrusion sleeve; 44. drive block; 45. pressure block No. 1; 46. pressure block No. 2. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example

[0023] See also Figure 1-6 The utility model provides the following technical solutions: an instrument valve that is easy to install, comprising a main valve body 1 and a valve body pipe 2 fixed to the main valve body 1, and a pipe pipe 3 connected to the pipe, the valve body pipe 2 is provided with a first semicircular groove 21 on the side away from the main valve body 1, and the pipe pipe 3 is provided with a fitting block 22 integrally formed with the first semicircular groove 21, a first support sleeve 23 is provided inside the valve body pipe 2 close to the first semicircular groove 21, and a first sealing ring 24 is provided at the gap between the valve body pipe 2 and the first support sleeve 23, one end of the pipe pipe 3 is provided at a connector 31 connected to the pipe, and a second semicircular groove 32 is provided at the other end, and a fitting groove 33 that communicates with the second semicircular groove 32 is also provided on the pipe pipe 3, a second support sleeve 34 is provided at the end of the inner side of the pipe pipe 3 away from the connector 31, and a second sealing ring 35 is also provided between the second support sleeve 34 and the pipe pipe 3, and a locking mechanism 4 is also provided at the connection between the valve body pipe 2 and the pipe pipe 3.

[0024] Specifically, the No. 1 semicircular groove 21 and the No. 2 semicircular groove 32 are butted against each other, the No. 1 support sleeve 23, the No. 1 sealing ring 24 and the interlocking groove 33, and the No. 2 support sleeve 34 are arranged to be inclined and matched up and down and are butted against each other. In this embodiment, the No. 1 semicircular groove 21 and the No. 2 semicircular groove 32 have a circumferential limiting effect. At the same time, the No. 1 support sleeve 23 and the No. 2 support sleeve 34 can effectively ensure the sealing reliability of the No. 1 sealing ring 24 and the No. 2 sealing ring 35.

[0025] Specifically, the engaging block 22 is engaged with the engaging groove 33 to ensure axial limitation and connection effect in this embodiment.

[0026] Specifically, the locking mechanism 4 includes an external threaded sleeve 41 formed on the outer surface of the valve body pipe 2 and an internal threaded sleeve 42 threadedly fitted on the outer end of the external threaded sleeve 41, as well as an extrusion sleeve 43 integrally formed at one end of the internal threaded sleeve 42 and a drive block 44 formed at the outer end of the internal threaded sleeve 42. It also includes a No. 1 pressure block 45 fixed to the outside of the end of the valve body pipe 2 away from the No. 1 semicircular groove 21 and a No. 2 pressure block 46 fixed to the outside of the end of the pipeline pipe 3 away from the No. 2 semicircular groove 32. In this embodiment, the locking mechanism 4 can effectively seal the joints of the valve body pipe 2 and the pipeline pipe 3 while ensuring the stability of their connection.

[0027] Specifically, the pressure block No. 1 45 and the pressure block No. 2 46 are symmetrically arranged, and the extrusion sleeve 43 and the pressure block No. 1 45 and the pressure block No. 2 46 are extrusion-fitted and inclined. In this embodiment, the inclined arrangement applies pressure to the connection between the valve body connecting pipe 2 and the pipeline connecting pipe 3, thereby achieving the purpose of stable connection.

[0028] Specifically, the extrusion sleeve 43 is in contact with the first pressure block 45 and the second pressure block 46 through the spiral extrusion of the external thread sleeve 41 and the internal thread sleeve 42 .

[0029] The working principle and use process of the utility model are as follows: the connector 31 is first connected to the pipe to be connected, and the internal threaded sleeves 42 on the valve body pipes 2 at both ends of the main valve body 1 are screwed to the side closest to the main valve body 1, and the No. 1 semicircular groove 21 is connected to the No. 2 semicircular groove 32, the fitting block 22 is connected to the fitting groove 33, the No. 1 support sleeve 23 is connected to the No. 2 support sleeve 34, and the No. 1 sealing ring 24 is connected to the No. 2 sealing ring 35. At this time, the No. 1 pressure block 45 and the No. 2 pressure block 46 are also in contact with each other, and then the internal threaded sleeve 42 is rotated, and the internal threaded sleeve 42 pushes the extrusion sleeve 43 to move by the spiral of the external threaded sleeve 41, and the extrusion sleeve 43 squeezes the No. 1 pressure block 45 and the No. 2 pressure block 46 at the same time, so as to squeeze and seal the connection between the valve body pipe 2 and the pipeline pipe 3, and then the driving block 44 is rotated by a wrench to complete the final locking;

[0030] The disassembly steps are the reverse of the installation steps.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An instrument valve that is easy to install, comprising a main valve body (1), a valve body connecting pipe (2) fixed to the main valve body (1), and a pipeline connecting pipe (3) connected to a pipeline, characterized in that: A first semicircular groove (21) is provided on a side of the valve body connecting pipe (2) away from the main valve body (1); a fitting block (22) formed integrally with the first semicircular groove (21) is provided on the pipe connecting pipe (3); a first supporting sleeve (23) is provided inside the valve body connecting pipe (2) on a side close to the first semicircular groove (21); a first sealing ring (24) is provided at a gap between the valve body connecting pipe (2) and the first supporting sleeve (23); one end of the pipe connecting pipe (3) is provided at a position connected to the pipe. A connecting head (31) is provided with a second semicircular groove (32) at the other end, and the pipeline connecting pipe (3) is also provided with an engaging groove (33) which is interlinked with the second semicircular groove (32). A second supporting sleeve (34) is provided at one end of the inner side of the pipeline connecting pipe (3) away from the connecting head (31), and a second sealing ring (35) is also provided between the second supporting sleeve (34) and the pipeline connecting pipe (3). A locking mechanism (4) is also provided at the connection between the valve body connecting pipe (2) and the pipeline connecting pipe (3).

2. The instrument valve that is easy to install according to claim 1, characterized in that: The first semicircular groove (21) and the second semicircular groove (32) are butted against each other, and the first support sleeve (23), the first sealing ring (24), the engaging groove (33) and the second support sleeve (34) are arranged in an inclined manner and butted against each other in an up-and-down manner.

3. The instrument valve that is easy to install according to claim 1 is characterized in that: The engaging block (22) is engaged and connected with the engaging groove (33).

4. The instrument valve that is easy to install according to claim 1 is characterized in that: The locking mechanism (4) comprises an external threaded sleeve (41) formed on the outer surface of the valve body connecting pipe (2) and an internal threaded sleeve (42) threadedly sleeved on the outer end of the external threaded sleeve (41), as well as an extrusion sleeve (43) integrally formed at one end of the internal threaded sleeve (42) and a drive block (44) formed at the outer end of the internal threaded sleeve (42), and also comprises a first pressure block (45) fixed to the outer side of one end of the valve body connecting pipe (2) away from the first semicircular groove (21) and a second pressure block (46) fixed to the outer side of one end of the pipeline connecting pipe (3) away from the second semicircular groove (32).

5. The instrument valve that is easy to install according to claim 4, characterized in that: The first pressure block (45) and the second pressure block (46) are symmetrically arranged, and the extrusion sleeve (43) and the first pressure block (45) and the second pressure block (46) are extrusion-matched and inclined.

6. The instrument valve that is easy to install according to claim 5, characterized in that: The extrusion sleeve (43) is in contact with the first pressure block (45) and the second pressure block (46) through the spiral extrusion of the external thread sleeve (41) and the internal thread sleeve (42).

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