Gas stand pipe pressure measuring connector

Abstract

The utility model discloses a fuel gas vertical pipe pressure measuring connector which comprises a connector body, a switching structure is fixed to the top end of the connector body, the top end of the switching structure is fixed to a hose in a sleeved mode, the switching structure comprises a plug, a connecting piece fixed to the top end of the plug and a connecting nozzle fixed to the top end of the connecting piece, and protruding block structures with round holes are fixed to the two ends of the connecting piece. Pull blocks are fixed between the protruding blocks of the connecting pieces on the two sides through pin shafts, a connecting shaft is fixed between each set of pull blocks, a threaded hole is formed in the middle of each connecting shaft, then a threaded rod is driven to move inwards, angle iron and a clamping plate structure at the bottom can be inwards fixed and clamped with a table body of a connector, and the limiting effect is achieved. The pulling blocks on the two sides can make contact with the hose to limit the hose, the plug in the middle can make close contact with the connector, and the sealing requirement is met.

Description

Technical Field

[0001] The utility model relates to the field of pressure measuring joint structures, in particular to a gas riser pressure measuring joint. Background Art

[0002] The gas riser pressure test joint is used for pressure testing before gas is ventilated in residential buildings to detect whether there are leaks in the pipelines in the building and to ensure safety after ventilation.

[0003] In the prior art, such as Figure 1 As shown, a combination of a pipe joint 3 and a reducer is used. The disadvantage is that the household pipes have different diameters, and pipe joints 3 of different diameters need to be prepared. Once there is no pipe joint 3 of the corresponding diameter, it is necessary to make one on the spot, which is time-consuming and laborious. In addition, when connecting, the pipe joint 3 needs to be wrapped with raw tape, and the raw tape is rewound every time a connection is made, otherwise the connection is prone to leakage, which requires the preparation of a large amount of raw tape, which is expensive and has a long installation period, so the efficiency is low. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a gas riser pressure measuring joint. Through the set adapter structure, the user can bring the plug in the adapter structure into contact with the joint and connect the top connecting nozzle with the hose. During the connection, the block structures on both sides can be deflected upward to drive the middle connecting axis to move inward, thereby driving the threaded rod to move inward. The triangle iron and the clamping plate structure at the bottom can be fixed inwardly with the platform of the joint to achieve a limiting effect. The blocks on both sides can contact with the hose to limit the hose, and the plug in the middle can be in close contact with the joint to achieve the need for closure.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a gas riser pressure measuring joint, comprising a transition structure connected to the top of the joint, the top of the transition structure is fixed to the hose sleeve, the transition structure comprises a plug, a connecting piece fixed to the top of the plug and a connecting nozzle fixed to the top of the connecting piece, both ends of the connecting piece are fixed with a convex block structure with a circular hole, between the convex blocks of the connecting piece on both sides are fixed with a pin shaft, between each group of the convex blocks are fixed a connecting shaft, the middle part of the connecting shaft is provided with a threaded hole, and a threaded rod is meshed and fixed in the threaded hole, the bottom end of the threaded rod is fixed with a triangle iron, and the bottom end of each group of the triangle iron is fixed with a clamping plate.

[0006] As a preferred technical solution of the utility model, both ends of each group of the joints are fixed with a platform structure, and the bottom end of the clamping plate is bent inward at an obtuse angle.

[0007] As a preferred technical solution of the utility model, the plug is a hollow truncated cone structure that is larger at the top and smaller at the bottom, and a circular hole structure that matches the hollow part in the middle of the plug and the inner diameter of the connecting nozzle is opened in the middle of the connecting piece.

[0008] As a preferred technical solution of the utility model, a round tube structure with a notch is welded and fixed to the top end of the clamping plate, and the round tube structure is sleeved on the outer side of the bottom end of the triangle iron.

[0009] As a preferred technical solution of the utility model, the plug can be made of wood or plastic material.

[0010] As a preferred technical solution of the utility model, each group of connecting shafts and pull blocks are fixed by a movable clamping method.

[0011] Another scheme of the utility model is a gas riser pressure measuring joint, which includes a fastening assembly connected to the joint, including two groups of chucks, a threaded rod arranged in the chuck and a card sleeved in the middle of the threaded rod, the top and bottom of the threaded rod are provided with clamping bolts, wherein a groove structure is penetrated through the middle of the chuck, the threaded rod is fixed in the groove by the clamping bolts, a plug is fixed at the bottom end of the card, a connecting nozzle is fixed at the top end of the card, and a circular hole structure with a size matching the size of the hollow plug is provided in the middle of the card, and the bottom end of the connecting nozzle is connected with the plug and the middle of the card.

[0012] It also includes a spring arranged on the threaded rod, one end of the spring abuts against the card, and the other end of the spring abuts against the bottom of the clamping bolt at the top; the slot structure includes a plurality of gear slots of different sizes, and different gear slots are suitable for joints of different sizes after matching with the threaded rod.

[0013] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0014] 1. In this device, through the setting of the adapter structure, the user can make the plug in the adapter structure contact with the joint and connect the top connecting nozzle with the hose. When connecting, the block structures on both sides can be deflected upward, driving the middle connecting axis to move inward, and then driving the threaded rod to move inward. The triangle iron and the card plate structure at the bottom can be fixed inward with the platform of the joint to achieve the limiting effect, and the blocks on both sides can contact with the hose to limit the hose, and the plug in the middle can be in close contact with the joint to achieve the need for closure.

[0015] 2. In this device, by setting the threaded rod structure and the combination of the threaded rod and the card plate, the threaded rod can be rotated on the connecting shaft, and then the length of the bottom triangle iron and the card plate can be adjusted, so as to be suitable for household pipes / joints of different lengths. One joint can be used for household pipes / joints of different calibers, and there is no need to wrap raw tape during connection. The installation is faster and more labor-saving, and the cost of raw tape is also saved. Therefore, it is not only more efficient, but also less costly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the existing structure;

[0017] Figure 2 It is a schematic diagram of the structure of the utility model;

[0018] Figure 3 This is a structural breakdown diagram of the utility model;

[0019] Figure 4 It is a schematic diagram of the switching structure of the utility model;

[0020] Figure 5 This is one of the structural schematic diagrams of the second embodiment of the utility model;

[0021] Figure 6 This is the second structural diagram of the second embodiment of the utility model.

[0022] Among them: 1. Household inlet pipe; 2. Joint; 3. Pipe joint; 4. Hose; 5. Adapter structure; 51. Plug; 52. Connecting plate; 53. Pull block; 54. Connecting nozzle; 55. Connecting shaft; 56. Threaded rod; 57. Triangle iron; 58. Clamping plate; 6. Fastening assembly; 61. Chuck; 62. Threaded rod; 63. Card; 64. Spring; 65. Tightening bolt. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0024] Embodiment one:

[0025] like Figure 2-4As shown, the utility model provides a gas riser pressure measuring joint, including a joint 2, a transfer structure 5 is fixed to the top of the joint 2, the top of the transfer structure 5 is fixed with a hose 4, the transfer structure 5 includes a plug 51, a connecting piece 52 fixed to the top of the plug 51 and a connecting nozzle 54 fixed to the top of the connecting piece 52, both ends of the connecting piece 52 are fixed with a convex block structure with a circular hole, the convex blocks of the connecting pieces 52 on both sides are fixed with a wrench 53 through a pin shaft, a connecting shaft 55 is fixed between each group of wrench blocks 53, a threaded hole is opened in the middle of the connecting shaft 55, and a threaded rod 56 is meshed and fixed in the threaded hole, and a triangular Iron 57, a clamping plate 58 is fixed to the bottom end of each set of triangle irons 57; through the threaded rod 56 structure set, the threaded rod 56 plus the clamping plate 58 are combined, the threaded rod 56 can be rotated on the connecting shaft 55, and then the length of the bottom triangle iron 57 and the clamping plate 58 can be adjusted, so as to be suitable for household inlet pipes 1 / connectors 6 of different lengths. One connector 6 can be used for household inlet pipes 1 / connectors 6 of different calibers, and there is no need to wrap raw tape during connection, so the installation is faster and more labor-saving. Carrying one equipment can be suitable for connectors 2 of multiple sizes, and it is also convenient to carry. At the same time, the cost of raw tape is also saved. Therefore, it is not only more efficient, but also less costly to use.

[0026] In other embodiments, both ends of each set of joints 2 are fixed with a table structure, and the bottom end of the clamping plate 58 is bent inward at an obtuse angle; the plug 51 is a hollow truncated cone structure with a larger top and a smaller bottom, and the middle part of the connecting piece 52 is provided with a circular hole structure that matches the hollow part in the middle of the plug 51 and the inner diameter of the connecting nozzle 54; a circular tube structure with a notch is welded and fixed to the top of the clamping plate 58, and the circular tube structure is sleeved on the outside of the bottom end of the triangle iron 57; the plug 51 can also be made of wood or plastic material, and in this case it is made of rubber material. The spherical crown-shaped plug 51 can adapt to pipe joints 2 of different sizes and has good versatility; each set of connecting shafts 55 and the wrench 53 are provided with a movable clamping method To achieve fixation; through the set adapter structure 5, the user can make the plug 51 in the adapter structure 5 contact with the connector 6, and connect the top connecting nozzle 54 with the hose 4, and when connecting, the block 53 structures on both sides can be deflected upward, driving the middle connecting shaft 55 to move inward, and then driving the threaded rod 56 to move inward, and the triangle iron 57 and the clamping plate 58 structures at the bottom can be fixed inward with the platform of the connector 6 to achieve the limiting effect, and the blocks 53 on both sides can contact with the hose 4 to limit the hose 4, and the plug 51 in the middle can be in close contact with the connector 6 to achieve the need for closure.

[0027] Embodiment 2: Figure 5-6As shown: a fastening assembly 6 can also be arranged on the joint 2, wherein the fastening assembly 6 includes two groups of chucks 61, a threaded rod 62 arranged in the chuck 61, a card 63 sleeved on the middle part of the threaded rod 62 and a spring 64 arranged on the threaded rod 62, and the top and bottom of the threaded rod 62 are fixed with clamping bolts 65, one end of the spring 64 is in contact with the card 63, and the other end of the spring 64 keeps contact with the bottom of the clamping bolt 65 at the top, wherein a slot structure is opened through the middle part of the chuck 61, the threaded rod 62 is fixed in the slot by the clamping bolt 65, a plug 51 is fixed to the bottom end of the card 63, a connecting nozzle 54 is fixed to the top end of the card 63, and a circular hole structure whose size is adapted to the size of the hollow plug 51 is opened in the middle part of the card 63, and the bottom end of the connecting nozzle 54 keeps communication with the plug 51 and the middle part of the card 63. The slot structure includes a plurality of gear slots of different sizes, and the slot structure is generally composed of a long channel slot and a plurality of gear slots, the channel slot extends along the length direction of the card 63, the plurality of gear slots are connected to the channel slot, and the gear slot extends along the width direction of the card 63, and different gear slots are suitable for connectors 2 of different sizes after being matched with the threaded rod 62. The remaining parts structure is the same as that of the first embodiment.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. Gas riser pressure measuring joint, characterized by: The invention comprises a transfer structure (5) connected to the top end of the joint (2), the top end of the transfer structure (5) being sleeved and fixed with the hose (4), the transfer structure (5) comprising a plug (51), a connecting piece (52) fixed to the top end of the plug (51), and a connecting nozzle (54) fixed to the top end of the connecting piece (52), a convex block structure with a circular hole being fixed to both ends of the connecting piece (52), a lever block (53) being fixed between the convex blocks of the connecting piece (52) on both sides via a pin, a connecting shaft (55) being fixed between each group of the lever blocks (53), a threaded hole being provided in the middle of the connecting shaft (55), a threaded rod (56) being meshed and fixed in the threaded hole, a triangular iron (57) being fixed to the bottom end of the threaded rod (56), and a clamping plate (58) being fixed to the bottom end of each group of the triangular iron (57).

2. The gas riser pressure measuring joint according to claim 1, characterized in that: Both ends of each group of connectors (2) are fixed with a platform structure, and the bottom end of the clamping plate (58) is bent inward at an obtuse angle.

3. The gas riser pressure measuring joint according to claim 1, characterized in that: The plug (51) is a hollow truncated cone structure that is larger at the top and smaller at the bottom, and a circular hole structure that matches the hollow center of the plug (51) and the inner diameter of the connecting nozzle (54) is provided in the middle of the connecting piece (52).

4. The gas riser pressure measuring joint according to claim 1, characterized in that: A round tube structure with a notch is welded and fixed to the top end of the clamping plate (58), and the round tube structure is sleeved on the outside of the bottom end of the triangle iron (57).

5. The gas riser pressure measuring joint according to claim 3, characterized in that: The plug (51) can be made of wood or plastic.

6. The gas riser pressure measuring joint according to claim 1, characterized in that: Each group of the connecting shafts (55) and the pull blocks (53) are fixed in a movable clamping manner.

7. Gas riser pressure measuring joint, characterized by: The fastening assembly (6) connected to the joint (2) includes two groups of chucks (61), a threaded rod (62) arranged in the chuck (61) and a card (63) sleeved in the middle of the threaded rod (62), the top and bottom of the threaded rod (62) are provided with clamping bolts (65), the middle of the chuck (61) is provided with a slot structure, the threaded rod (62) is fixed in the slot by the clamping bolts (65), the bottom end of the card (63) is fixed with a plug (51), the top end of the card (63) is fixed with a connecting nozzle (54), and the middle of the card (63) is provided with a circular hole structure whose size matches the size of the hollow plug (51), and the bottom end of the connecting nozzle (54) is connected with the plug (51) and the middle of the card (63).

8. The gas riser pressure measuring joint according to claim 7, characterized in that: It also includes a spring (64) disposed on the threaded rod (62), one end of the spring (64) abutting against the card (63), and the other end of the spring (64) abutting against the bottom of the clamping bolt (65) at the top; the slot structure includes a plurality of gear slots of different sizes, and the different gear slots are suitable for connectors (2) of different sizes after being matched with the threaded rod (62).

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