Height-adjustable double-layer ground well

Abstract

The height-adjustable double-layer ground well comprises an outer barrel main body, a seat ring and an inner barrel main body, and a plurality of sets of sinking grooves are evenly formed in the seat ring in the circumferential direction of the seat ring. A plurality of sets of threaded grooves and a plurality of sets of hexagonal grooves are evenly formed in the outer barrel body in the circumferential direction of the outer barrel body, and fixing bolts are arranged in sinking grooves. By combining the outer barrel main body, the longitudinal stud, the seat ring, the adjusting bolt, the hexagonal groove, the fixing bolt, the connecting column, the connecting ring, the threaded ring, the limiting barrel, the limiting rod, the inner barrel main body and the like, the height of the seat ring in the outer barrel main body can be adjusted during use, and then the position of the seat ring is adjusted, so that the seat ring is flush with an airport parking apron; and the situation that the ground is broken, the height is adjusted again and then installation is conducted is not needed, the construction cost is reduced, operation is convenient, the ground well can be used in a short time, and the using effect of the ground well is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of underground wells, and in particular relates to a height-adjustable double-layer underground well. Background Art

[0002] The ground well on the airport apron is used to install the valve body of aviation refueling equipment, high-bottom point drainage and air venting devices and other equipment. It is a component of the aviation fuel pipeline system. Aviation refueling equipment is installed in the ground well to facilitate the refueling of aircraft.

[0003] In the prior art, there are two situations in the ground well that will cause the distance between the valve body in the well and the road surface to exceed the specified range. One is the height difference between the ground well installation and the airport apron during the construction process, and the other is ground subsidence. Generally, the ground is broken and the height is readjusted before installation. This is not only costly and cumbersome to operate, but also causes the ground well to not be used normally for a long time during the construction process, affecting the use effect of the ground well. For this reason, we propose a height-adjustable double-layer ground well. Utility Model Content

[0004] The utility model aims to provide a height-adjustable double-layer ground well to solve the problem in the above-mentioned background technology that the ground must be broken up and the height must be readjusted before installation, which not only has high construction costs but also causes the ground well to be unable to be used normally for a long time during the construction process.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a height-adjustable double-layer well, comprising an outer barrel body, a seat ring and an inner barrel body, the interior of the seat ring is provided with a plurality of groups of sink grooves evenly arranged along the circumferential direction of the seat ring, the interior of the outer barrel body is provided with a plurality of groups of thread grooves and a plurality of groups of hexagonal grooves evenly arranged along the circumferential direction of the outer barrel body, a fixing bolt is arranged inside the sink groove, the bottom of the fixing bolt penetrates into the interior of the thread groove, an internal threaded seat is fixedly arranged on the inner wall of the hexagonal groove, an adjusting bolt is arranged inside the internal threaded seat, the top of the adjusting bolt contacts with the bottom of the seat ring, and a plurality of groups of limiting members for limiting the seat ring are arranged between the seat ring and the outer barrel body.

[0006] Preferably, the fixing bolt is connected to the thread groove via a threaded connection, and the internal thread seat is connected to the adjusting bolt via a threaded connection.

[0007] Preferably, the limiting member includes a limiting cylinder and a limiting rod, and the top of the limiting rod penetrates into the interior of the limiting cylinder.

[0008] Preferably, the limiting cylinder is fixed to the bottom of the seat ring, and the limiting rod is fixed to the top of the outer barrel body.

[0009] Preferably, a plurality of pairs of seat rings and the outer barrel body are provided between the seat ring and the outer barrel body to assist in fixing the seat ring and the outer barrel body, the fixing members comprising a connecting column and a connecting ring, a longitudinal stud is fixedly provided at the bottom of the connecting column, the bottom of the longitudinal stud passes through the interior of the connecting ring, and the outside of the longitudinal stud is connected to a threaded ring via a thread.

[0010] Preferably, the connecting column is fixed to the inner wall of the seat ring, and the connecting ring is fixed to the inner wall of the outer barrel body.

[0011] Preferably, a sealing assembly is provided on the seat ring, and the sealing assembly includes a middle ring, and a top sealing ring and a bottom sealing ring are fixedly provided on the top and bottom of the middle ring respectively, and the bottom sealing ring is in contact with the surface of the seat ring.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model combines the outer barrel body, longitudinal stud, seat ring, adjusting bolt, hexagonal groove, fixing bolt, connecting column, connecting ring, threaded ring, limiting cylinder, limiting rod and inner barrel body, etc., so that the height can be adjusted in the outer barrel body by the seat ring, and then the position can be adjusted to make the seat ring flush with the airport apron. There is no need to break the ground and readjust the height before installation, which reduces construction costs, facilitates operation, enables the ground well to be used in a short time, and improves the use effect of the ground well.

[0014] (2) The utility model is designed with a sealing assembly that allows the bottom of the cover plate to contact the top sealing ring on the sealing assembly after the cover plate is installed on the top of the seat ring during use, thereby increasing the sealing performance between the cover plate and the seat ring and reducing the entry of foreign matter into the outer barrel body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the main structure of the outer barrel of the utility model;

[0017] Figure 3 This is a schematic diagram of the seat ring structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the seat ring structure when viewed from above of the utility model;

[0019] Figure 5 This is a bottom view of the structure of the outer barrel body and the inner barrel body of the utility model;

[0020] Figure 6 This is a schematic diagram of the internal thread seat structure of the utility model;

[0021] Figure 7 This is a schematic diagram of the top view structure of the seat ring of the utility model;

[0022] Figure 8 This is a schematic diagram of the sealing assembly structure of the utility model;

[0023] In the figure: 100, outer barrel body; 101, longitudinal stud; 102, seat ring; 103, adjusting bolt; 104, hexagonal groove; 105, fixing bolt; 106, countersunk groove; 107, connecting column; 108, connecting ring; 109, threaded ring; 110, limiting cylinder; 111, limiting rod; 112, inner barrel body; 113, threaded groove; 114, internal threaded seat; 200, top sealing ring; 201, middle ring; 202, bottom sealing ring. DETAILED DESCRIPTION

[0024] 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.

[0025] Example 1

[0026] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7The utility model provides a technical solution: a height-adjustable double-layer ground well, comprising an outer barrel body 100, a seat ring 102 and an inner barrel body 112, the ground well position can be made into a two-layer state through the inner barrel body 112 and the outer barrel body 100, and the inner barrel body 112 is installed on the valve body of the aviation refueling equipment, the seat ring 102 has multiple groups of sink grooves 106 evenly arranged inside and along the circumferential direction of the seat ring 102, and the fixing bolts 105 and the thread grooves 113 are conveniently screwed together through the sink grooves 106, and the outer barrel body 100 has multiple groups of thread grooves 113 and 114 evenly arranged inside and along the circumferential direction of the outer barrel body 100. Multiple groups of hexagonal grooves 104, the interior of the sink groove 106 is provided with a fixing bolt 105, the seat ring 102 and the outer barrel body 100 can be installed together through the fixing bolt 105, the bottom of the fixing bolt 105 penetrates into the interior of the threaded groove 113, the inner wall of the hexagonal groove 104 is fixedly provided with an internal thread seat 114, the interior of the internal thread seat 114 is provided with an adjusting bolt 103, the seat ring 102 can be moved upward or downward by rotating the adjusting bolt 103, the top of the adjusting bolt 103 contacts the bottom of the seat ring 102, and multiple groups of limiting members for limiting the seat ring 102 are provided between the seat ring 102 and the outer barrel body 100;

[0027] The fixing bolt 105 is connected to the thread groove 113 through a threaded connection, and the internal thread seat 114 is connected to the adjusting bolt 103 through a threaded connection.

[0028] Example 2

[0029] Based on Example 1, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The limiting member includes a limiting cylinder 110 and a limiting rod 111 . The limiting member can play a limiting role when adjusting the height position of the seat ring 102 . The top of the limiting rod 111 penetrates into the interior of the limiting cylinder 110 .

[0030] The limiting cylinder 110 is fixed to the bottom of the seat ring 102 , and the limiting rod 111 is fixed to the top of the outer barrel body 100 .

[0031] There are also multiple sets of auxiliary fixing parts between the seat ring 102 and the outer barrel body 100. The auxiliary fixing parts can further increase the firmness of the fixation between the seat ring 102 and the outer barrel body 100. The fixing parts include a connecting column 107 and a connecting ring 108. A longitudinal stud 101 is fixedly provided at the bottom of the connecting column 107. The bottom of the longitudinal stud 101 passes through the interior of the connecting ring 108, and the outside of the longitudinal stud 101 is connected to a threaded ring 109 through a thread.

[0032] The connecting column 107 is fixed to the inner wall of the seat ring 102 , and the connecting ring 108 is fixed to the inner wall of the outer barrel body 100 .

[0033] The utility model combines the designed outer barrel body 100, longitudinal stud 101, seat ring 102, adjusting bolt 103, hexagonal groove 104, fixing bolt 105, connecting column 107, connecting ring 108, threaded ring 109, limiting cylinder 110, limiting rod 111 and inner barrel body 112. During use, the height of the seat ring 102 can be adjusted in the outer barrel body 100, and then the position can be adjusted to make the seat ring 102 flush with the airport apron. There is no need to break the ground and readjust the height before installation, which reduces construction costs, facilitates operation, and allows the ground well to be used in a short time, thereby improving the use effect of the ground well.

[0034] Example 3

[0035] Based on Example 2, please refer to Figure 1 , Figure 2 and Figure 8 A sealing assembly is arranged on the seat ring 102, and the sealing assembly includes a middle ring 201. A top sealing ring 200 and a bottom sealing ring 202 are fixedly arranged on the top and bottom of the middle ring 201 respectively. The top sealing ring 200 and the bottom sealing ring 202 can increase the sealing performance between the installed cover plate and the seat ring 102, and the bottom sealing ring 202 is in contact with the surface of the seat ring 102.

[0036] The utility model is designed with a sealing assembly that can make the bottom of the cover plate contact with the top sealing ring 200 on the sealing assembly after the cover plate is installed on the top of the seat ring 102 during use, thereby increasing the sealing performance between the cover plate and the seat ring 102 and reducing the entry of foreign matter into the outer barrel body 100.

[0037] The working principle and use process of this utility model:

[0038] When the utility model is in use, when there is a drop or ground settlement between the inner barrel body 112 and the outer barrel body 100 during construction, the threaded ring 109 is loosened by turning downward, and then the fixing bolt 105 is unscrewed and removed, and the adjusting bolt 103 is turned upward or downward, thereby driving the seat ring 102 to move upward or downward. After the movement is completed, the adjusting bolt 103 is stopped from being turned, and then the fixing bolt 105 is put back into the sinking groove 106 and turned downward so that its bottom is screwed into the threaded groove 113 corresponding to the upper surface of the outer barrel body 100, and finally the threaded ring 109 is turned upward and tightened, and the height position of the seat ring 102 can be adjusted to be flush with the airport apron;

[0039] Before installing the cover plate on the seat ring 102, place the sealing assembly at the corresponding position in the seat ring 102. After the cover plate is installed on the seat ring 102, make the bottom of the cover plate contact with the top sealing ring 200 on the sealing assembly. At this time, the top sealing ring 200 and the bottom sealing ring 202 on the sealing assembly maintain the sealing between the cover plate and the seat ring 102 to prevent external foreign matter from entering the well.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A height-adjustable double-layer underground well, characterized by: The invention comprises an outer barrel body (100), a seat ring (102) and an inner barrel body (112); a plurality of groups of sink grooves (106) are evenly arranged inside the seat ring (102) and along the circumferential direction of the seat ring (102); a plurality of groups of thread grooves (113) and a plurality of groups of hexagonal grooves (104) are evenly arranged inside the outer barrel body (100) and along the circumferential direction of the outer barrel body (100); fixing bolts (105) are arranged inside the sink grooves (106) The bottom of the fixing bolt (105) penetrates into the interior of the threaded groove (113), an internal threaded seat (114) is fixedly provided on the inner wall of the hexagonal groove (104), an adjusting bolt (103) is provided inside the internal threaded seat (114), the top of the adjusting bolt (103) contacts the bottom of the seat ring (102), and a plurality of groups of limiting members for limiting the seat ring (102) are provided between the seat ring (102) and the outer barrel body (100).

2. A height-adjustable double-layer underground well according to claim 1, characterized in that: The fixing bolt (105) is connected to the thread groove (113) via a threaded connection, and the internal thread seat (114) is connected to the adjusting bolt (103) via a threaded connection.

3. A height-adjustable double-layer underground well according to claim 2, characterized in that: The limiting member comprises a limiting cylinder (110) and a limiting rod (111), and the top of the limiting rod (111) penetrates into the interior of the limiting cylinder (110).

4. A height-adjustable double-layer underground well according to claim 3, characterized in that: The limiting cylinder (110) is fixed to the bottom of the seat ring (102), and the limiting rod (111) is fixed to the top of the outer barrel body (100).

5. A height-adjustable double-layer underground well according to claim 4, characterized in that: A plurality of sets of fixing parts are provided between the seat ring (102) and the outer barrel body (100) to assist in fixing the seat ring (102) and the outer barrel body (100), and the fixing parts include a connecting column (107) and a connecting ring (108). A longitudinal stud (101) is fixedly provided at the bottom of the connecting column (107), and the bottom of the longitudinal stud (101) passes through the interior of the connecting ring (108). The exterior of the longitudinal stud (101) is connected to a threaded ring (109) via a thread.

6. A height-adjustable double-layer underground well according to claim 5, characterized in that: The connecting column (107) is fixed to the inner wall of the seat ring (102), and the connecting ring (108) is fixed to the inner wall of the outer barrel body (100).

7. A height-adjustable double-layer underground well according to claim 6, characterized in that: A sealing assembly is arranged on the seat ring (102), and the sealing assembly comprises a middle ring (201). A top sealing ring (200) and a bottom sealing ring (202) are fixedly arranged on the top and bottom of the middle ring (201), respectively, and the bottom sealing ring (202) is in contact with the surface of the seat ring (102).

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