Inlet pressure head assembly

Abstract

The utility model discloses a pressure feeding head assembly, which relates to the technical field of pressure feeding heads and comprises a pressure feeding connector, a mounting connector is arranged at the upper end of the pressure feeding connector, a retainer ring is fixedly mounted at the lower end of the surface of the pressure feeding connector, and the surface of the mounting connector is provided with same threaded grooves. The pressure inlet head assembly, the pressure inlet connector and the installation connector are connected through the threaded grooves, an instrument structure and a pipeline structure can be conveniently connected and installed, the lower end of the installation connector is movably connected with the pressure inlet connector through the connecting part, after installation, the angle of an instrument can be adjusted, and by rotating the positioning bolt, the angle of the instrument can be adjusted. When the installation connector is rotated, the fixing rod slides in the guide groove, the spiral guide groove can drive the connecting part to move outwards, the distance between the installation connector box and the pressing connector is adjusted, the size of the whole pressing connector is adjusted, and flexibility is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure inlet heads, in particular to a pressure inlet head component. Background Art

[0002] In the installation of fire protection pipe networks, oil pipelines and other pipelines, detection devices such as sensors and instrument lights are generally installed, and the pressure inlet head is generally used for the installation and docking of sensors and pressure gauges, which are connected through the pressure inlet head and pipelines. The installation of sensors and pressure gauges requires good sealing and needs to be adapted to different installation conditions and environments.

[0003] For example, the patent with announcement number CN217930657U discloses an adjustable pressure inlet head for a sensor, including a pressure inlet head and an adjustment sleeve rotatably mounted on one end of the pressure inlet head, the pressure inlet head is a cylindrical structure, one end of the pressure inlet head is provided with a pressure-inducing portion, and the other end is provided with a recessed mounting groove for chip mounting, the outer end of the pressure-inducing portion is provided with a diaphragm, and is connected to the mounting groove through an oil hole, the outer wall of the pressure inlet head is provided with an adjustment groove, the adjusting sleeve is provided with a set screw corresponding to the adjustment groove, and the end of the set screw is slidably arranged in the adjustment groove, and the end of the adjustment sleeve is connected to the instrument head at the end away from the pressure-inducing portion. The structure of the present application is simple, and the instrument head of the sensor can be rotated by rotating the adjustment sleeve provided on the pressure inlet head, which is convenient for on-site installation and adaptable to various working conditions;

[0004] However, the existing pressure inlet head assembly has low flexibility and cannot adjust its length. Different connection instruments have different requirements for the length of the pressure inlet head, which has low practicality. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a pressure inlet head assembly, which solves the problems that the existing pressure inlet head assembly has low flexibility, cannot adjust its length, and different connection instruments have different requirements for the pressure inlet head length, resulting in low practicality.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a pressure inlet head assembly, including a pressure inlet connector, a mounting joint is provided at the upper end of the pressure inlet connector, a retaining ring is fixedly installed at the lower end of the surface of the pressure inlet connector, a threaded groove is provided on the surface of the pressure inlet connector below the retaining ring, the surface of the mounting joint is provided with the same threaded groove, a connecting portion is provided at the lower end of the mounting joint, a connecting assembly is provided between the connecting portion and the pressure inlet connector, and positioning bolts are installed on both sides of the surface of the pressure inlet connector.

[0007] Preferably, a connection groove is formed at the upper end of the inlet and pressure connection head, and a through hole is formed at the bottom of the connection groove. The through hole penetrates the inlet and pressure connection head from top to bottom, and the through hole is connected to the connection groove, facilitating the connection between the instrument and the pipeline.

[0008] Furthermore, a sealing baffle is arranged inside the connection groove. A sealing ring is arranged at the upper end of the sealing baffle, and a sealing ring is arranged on the outer side of the surface of the sealing baffle. A connection cavity is formed between the inner side of the connection groove and the sealing baffle, facilitating the connection with the installation joint and ensuring the connection tightness.

[0009] Furthermore, the lower end of the connection part extends into the connection cavity and is movably connected to the connection groove. The lower end of the connection part and the inlet and pressure connection head are movably connected through an elastic connection band. The elastic connection band is a bellows type protective cover. The upper end of the elastic connection band is slidably connected to the lower end of the connection part through a slider, realizing the sealing protection between the connection part and the inlet and pressure connection head.

[0010] Furthermore, the connection assembly includes a fixing rod. The fixing rod is located inside the connection groove, and one end of the fixing rod is fixedly connected to the sealing baffle, and the other end of the fixing rod is fixedly connected to the inlet and pressure connection head.

[0011] Furthermore, a guiding groove is formed on the surface of the connection part. The guiding groove is designed in a spiral structure, and the fixing rod is slidably connected to the guiding groove. When the connection part rotates, it moves up and down synchronously according to the path of the guiding groove.

[0012] Furthermore, the positioning bolt is threadedly connected to the inlet and pressure connection head. An activity groove is formed on the inner surface of the connection groove. The end of the positioning bolt extends into the activity groove and is rotatably connected to a locking plate. By rotating the positioning bolt, the staff can push the locking plate to move, so that the locking plate fits on the connection part, realizing the locking and limiting of the installation joint.

[0013] Furthermore, the locking plate is designed in an arc structure. The locking plate is in fit connection with the connection part, and the locking plate is slidably connected to the activity groove, facilitating the adjustment of the installation joint.

[0014] Beneficial effects

[0015] The present utility model provides an inlet and pressure head assembly. Compared with the prior art, the following beneficial effects are achieved:

[0016] The inlet pressing head assembly is provided with an inlet pressing connector, a connecting part, a connecting component and a positioning bolt, etc. The inlet pressing connector and the mounting connector are both connected through threaded grooves, which facilitates the connection and installation of the instrument structure and the pipeline structure. The lower end of the mounting connector is movably connected to the inlet pressing connector through the connecting part. After installation, the angle of the instrument can be adjusted. By rotating the positioning bolt, the locking plate is fitted on the surface of the connecting part to realize the locking of the mounting connector. At the same time, when the mounting connector is rotated, the fixing rod slides in the guiding groove, and the spiral guiding groove can drive the connecting part to move outwards, adjusting the distance between the mounting connector and the inlet pressing connector and the overall size of the inlet pressing head, improving flexibility. Brief Description of the Drawings

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 It is a cross-sectional structural schematic diagram of the present utility model;

[0019] Figure 3 It is a structural schematic diagram of the inlet pressing connector of the present utility model;

[0020] Figure 4 It is a structural schematic diagram of the mounting connector of the present utility model;

[0021] Figure 5 It is a top-view structural schematic diagram of the connecting groove of the present utility model.

[0022] In the figure: 1. Inlet pressing connector; 101. Connecting groove; 102. Through hole; 103. Sealing baffle; 1031. Sealing ring; 104. Sealing ring; 2. Mounting connector; 3. Retaining ring; 4. Threaded groove; 5. Connecting part; 51. Elastic connecting band; 6. Connecting component; 61. Fixing rod; 62. Guiding groove; 7. Positioning bolt; 71. Moving groove; 72. Locking plate. Detailed Description of the Embodiment

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-5, the present utility model provides a technical solution: a feeding press head assembly, including a feeding press connection head 1. A connection groove 101 is opened at the upper end of the feeding press connection head 1. A through hole 102 is opened at the bottom of the connection groove 101. The through hole 102 penetrates the feeding press connection head 1 from top to bottom. A sealing baffle 103 is arranged inside the connection groove 101. A sealing ring 1031 is arranged at the upper end of the sealing baffle 103. A sealing ring 104 is arranged on the outer side of the surface of the sealing baffle 103. A connection cavity is formed between the inner side of the connection groove 101 and the sealing baffle 103. An installation joint 2 is arranged at the upper end of the feeding press connection head 1. A retaining ring 3 is fixedly installed at the lower end of the surface of the feeding press connection head 1. A thread groove 4 is arranged on the surface of the feeding press connection head 1 below the retaining ring 3. The surface of the installation joint 2 is provided with the same thread groove 4. Through threaded installation via the thread groove 4, the lower end of the feeding press connection head 1 and the upper end of the installation joint 2 are respectively installed on the instrument and the pipeline;

[0025] A connection part 5 is arranged at the lower end of the installation joint 2. The lower end of the connection part 5 extends into the connection cavity and is movably connected to the connection groove 101. The lower end of the connection part 5 and the feeding press connection head 1 are movably connected by an elastic connection band 51. The elastic connection band 51 is a bellows-type protective cover. The upper end of the elastic connection band 51 is slidably connected to the lower end of the connection part 5 through a slider. The connection part 5 extends into the connection groove 101 and is sealed by the sealing ring 104 and the elastic connection band 51, ensuring the connection tightness between the installation joint 2 and the feeding press connection head 1. At the same time, the movable connection method can adjust the direction of the instrument;

[0026] A connection assembly 6 is arranged between the connection part 5 and the feeding press connection head 1. The connection assembly 6 includes a fixing rod 61. The fixing rod 61 is located inside the connection groove 101. One end of the fixing rod 61 is fixedly connected to the sealing baffle 103, and the other end of the fixing rod 61 is fixedly connected to the feeding press connection head 1. A guiding groove 62 is opened on the surface of the connection part 5. The guiding groove 62 is designed in a spiral structure. The fixing rod 61 is slidably connected to the guiding groove 62. Positioning bolts 7 are installed on both the left and right sides of the surface of the feeding press connection head 1. The positioning bolts 7 are threadedly connected to the feeding press connection head 1. An activity groove 71 is opened on the inner surface of the connection groove 101. The end of the positioning bolt 7 extends into the activity groove 71 and is rotatably connected to a locking plate 72. The locking plate 72 is designed in an arc structure. The locking plate 72 is in fit connection with the connection part 5. The locking plate 72 is slidably connected to the activity groove 71. When the installation joint 2 is rotated, the fixing rod 61 slides in the guiding groove 62. And the spiral guiding groove 62 enables the connection part 5 to move synchronously up and down when rotating, adjusting the size between the installation joint 2 and the feeding press connection head 1, improving the flexibility.

[0027] Working principle: Threaded installation is carried out through the threaded groove 4, so that the lower end of the inlet and pressure connection head 1 and the upper end of the installation joint 2 are respectively installed on the instrument and the pipeline. The connecting part 5 extends into the connecting groove 101 and is sealed by the sealing ring 104 and the elastic connecting band 51, ensuring the connection tightness between the installation joint 2 and the inlet and pressure connection head 1. At the same time, the movable connection method can adjust the direction of the instrument, and the angle of the instrument can be adjusted during installation. The two positioning bolts 7 are used to push the locking plate 72 to move and fit on the connecting part 5 to realize the position limit of the installation joint 2 and achieve fixation. When the installation joint 2 is rotated, the fixing rod 61 slides in the guiding groove 62. The spiral guiding groove 62 enables the connecting part 5 to move synchronously up and down when rotating, adjusting the dimension between the installation joint 2 and the inlet and pressure connection head 1, improving flexibility.

[0028] At the same time, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

Claims

1. An inlet pressing head assembly, comprising an inlet pressing connector (1), characterized in that: An upper end of the inlet and pressure connector (1) is provided with a mounting connector (2). A retaining ring (3) is fixedly mounted at a lower end of a surface of the inlet and pressure connector (1). A threaded groove (4) is provided below the retaining ring (3) on the surface of the inlet and pressure connector (1). The same threaded groove (4) is provided on a surface of the mounting connector (2). A connecting portion (5) is provided at a lower end of the mounting connector (2). A connecting assembly (6) is provided between the connecting portion (5) and the inlet and pressure connector (1). Positioning bolts (7) are mounted on both left and right sides of the surface of the inlet and pressure connector (1).

2. The pressing head assembly according to claim 1, characterized in that: A connecting groove (101) is formed at an upper end of the inlet and pressure connector (1). A through hole (102) is formed at a bottom of the connecting groove (101). The through hole (102) penetrates through the inlet and pressure connector (1) from top to bottom.

3. The inlet punch assembly according to claim 2, characterized in that: A sealing baffle (103) is arranged inside the connecting groove (101). A sealing ring (1031) is provided at an upper end of the sealing baffle (103). A sealing ring (104) is provided on an outer side of a surface of the sealing baffle (103). A connecting cavity is formed between an inside of the connecting groove (101) and the sealing baffle (103).

4. The inlet pressure head assembly according to claim 3, wherein: A lower end of the connecting portion (5) extends into the connecting cavity and is movably connected to the connecting groove (101). The lower end of the connecting portion (5) and the inlet and pressure connector (1) are movably connected by an elastic connecting band (51). The elastic connecting band (51) is a bellows type protective cover. An upper end of the elastic connecting band (51) is slidably connected to a lower end of the connecting portion (5) through a slider.

5. The pressing head assembly according to claim 4, wherein: The connecting assembly (6) includes a fixed rod (61). The fixed rod (61) is located inside the connecting groove (101). One end of the fixed rod (61) is fixedly connected to the sealing baffle (103), and the other end of the fixed rod (61) is fixedly connected to the inlet and pressure connector (1).

6. The pressure head assembly according to claim 5, wherein: A guiding groove (62) is formed on a surface of the connecting portion (5). The guiding groove (62) is designed in a spiral structure. The fixed rod (61) is slidably connected to the guiding groove (62).

7. The pressing head assembly according to claim 6, characterized in that: The positioning bolt (7) is threadedly connected to the inlet and pressure connector (1). An activity groove (71) is formed on an inner surface of the connecting groove (101). An end of the positioning bolt (7) extends into the activity groove (71), and a locking plate (72) is rotatably connected thereto.

8. The inlet pressing head assembly according to claim 7, wherein: The locking plate (72) is designed in an arc shape. The locking plate (72) is in fit connection with the connecting portion (5). The locking plate (72) is slidably connected to the activity groove (71).

Images