Adjustable wall bushing device for gas pipeline

Abstract

The utility model belongs to the technical field of gas pipeline installation equipment, and particularly relates to an adjustable wall bushing device for a gas pipeline, which comprises an outer bushing, an inner bushing, a circular-ring-shaped left water stop ring, a circular-ring-shaped right water stop ring, a circular-ring-shaped left positioning cover plate, a circular-ring-shaped right positioning cover plate, a length adjusting screw rod and a height adjusting mechanism, a channel formed by the pipe wall of the outer sleeve is a first penetrating hole channel, and a channel formed by the pipe wall of the inner sleeve is a second penetrating hole channel. The outer diameter of the inner sleeve is consistent with the diameter of the first penetrating hole channel, and the left end of the inner sleeve penetrates into the first penetrating hole channel from the right end of the first penetrating hole channel. The pipe wall of the inner sleeve is sleeved with an annular connecting ring. The left water stop ring can be clamped at the left end of the outer sleeve; and the right water stop ring can be clamped at the right end of the connecting ring. By arranging the height adjusting structure and the horizontal adjusting structure, rapid installation of the gas pipeline can be achieved, on-site cutting operation is avoided, and the work efficiency of installation can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas pipeline installation equipment, and in particular relates to an adjustable wall-penetrating sleeve device for a gas pipeline. Background Art

[0002] During the installation of gas pipelines, it is inevitable to drill holes in the walls of various buildings so that the pipelines can enter the interior of the buildings. Since the pipelines penetrating the walls need to be protected, a common practice in the prior art is to install a sleeve on the outside of the pipelines penetrating the walls. The sleeve is generally made of steel, so as to ensure that when the wall of the building is slightly deformed, the pipeline is protected from being squeezed, thereby preventing damage and leakage.

[0003] However, the common sleeves in the prior art are all separate structures, or need to be cast on site and processed according to the wall thickness. They cannot form standard parts, making it difficult to verify the project quantity, and the on-site production and construction are more troublesome.

[0004] Based on this, the utility model intends to design a combined adjustable wall sleeve device, which can realize the installation of the sleeve according to different wall opening widths and different wall opening positions by setting a height adjustment structure and a horizontal adjustment structure, and can realize the rapid installation of the gas pipeline, avoid cutting operations on site, improve process standards and save construction time, facilitate construction operations, and improve installation work efficiency. Utility Model Content

[0005] The utility model provides an adjustable wall-penetrating sleeve device for a gas pipeline, which can realize rapid installation of the gas pipeline by arranging a height adjustment structure and a horizontal adjustment structure, avoid cutting operations on site, and improve installation work efficiency.

[0006] Based on the above purpose, the utility model adopts the following technical solutions:

[0007] A gas pipeline adjustable wall-penetrating sleeve device comprises an outer sleeve, an inner sleeve, a circular left water stop ring, a circular right water stop ring, a circular left positioning cover plate, a circular right positioning cover plate, a length adjustment screw and a height adjustment mechanism;

[0008] The channel formed by the outer sleeve wall is the first through-hole channel, and the channel formed by the inner sleeve wall is the second through-hole channel;

[0009] The outer diameter of the inner sleeve is consistent with the diameter of the first through hole, and the left end of the inner sleeve passes through the right end of the first through hole into the first through hole;

[0010] The inner sleeve wall is provided with a circular connecting ring;

[0011] The left water stop ring can be snap-connected to the left end of the outer sleeve; the right water stop ring can be snap-connected to the right end of the connecting ring;

[0012] The right end of the left positioning cover plate can be inserted into the first through hole to the right, and the left end of the right positioning cover plate can be inserted into the second through hole to the left;

[0013] The upper part of the connecting ring is an upper ring wall, and the lower part is a lower ring wall; the upper part of the outer sleeve is an upper tube wall, and the lower part is a lower tube wall;

[0014] The upper ring wall of the connecting ring is provided with a first guide channel extending left and right in the horizontal direction, and the first guide channel penetrates the connecting ring from right to left;

[0015] The right side of the upper tube wall is hollow, and a first guide block is provided at a position near the end surface of the right side of the upper tube wall, and a second guide channel extending along the extension direction of the outer sleeve is provided in the middle of the first guide block; the length adjustment screw can be inserted into the first guide channel and the second guide channel in sequence from the right end of the first guide channel;

[0016] The height adjustment mechanism includes a first connecting rod arranged below the outer sleeve and a second connecting rod arranged below the inner sleeve, and the first connecting rod and the second connecting rod both extend left and right in a horizontal direction;

[0017] The first connecting rod includes a first lifting portion at the left end and a first plug-in portion at the right end, and the second connecting rod includes a second lifting portion at the right end and a second plug-in portion at the left end;

[0018] The first plug-in part is hollow, and a second guide block is provided at a position near the end surface on the right side of the first plug-in part, and a third guide channel extending along the extension direction of the first connecting rod is provided in the middle of the second guide block; the outer diameter of the second plug-in part is consistent with the inner diameter of the third guide channel, and the second plug-in part can be inserted into the first plug-in part from the right end of the third guide channel;

[0019] A first height adjustment bolt is provided in the first lifting part, and the relative height between the first connecting rod and the outer sleeve can be adjusted by the first height adjustment bolt;

[0020] A second height adjusting bolt is arranged in the second lifting part, and the relative height between the second connecting rod and the connecting ring can be adjusted by the second height adjusting bolt.

[0021] Furthermore, the outer sleeve and the inner sleeve both extend horizontally to the left and right, and both the outer sleeve and the inner sleeve are open structures at both ends.

[0022] Furthermore, the axial centerline of the inner sleeve coincides with the axial centerline of the outer sleeve.

[0023] Furthermore, the connecting ring is fixedly sleeved on the wall of the inner sleeve near the right port, and the inner diameter of the connecting ring is consistent with the outer diameter of the inner sleeve, and the connecting ring is fixedly connected to the inner sleeve.

[0024] Further preferably, the left-right length of the connecting ring is less than or equal to 1 / 5 to 1 / 4 of the left-right length of the inner sleeve.

[0025] Furthermore, the left water stop ring is arranged at the left end of the outer sleeve, and the axial center line of the left water stop ring coincides with the axial center line of the outer sleeve; the middle of the left water stop ring is a third through hole, the right end of the left water stop ring is provided with a first clamping ring, and the left end of the outer sleeve is provided with a first annular clamping notch at a position corresponding to the first clamping ring, and the first clamping ring is embedded in the first clamping notch, so that the left water stop ring can be clamped to the left end of the outer sleeve;

[0026] The third through hole corresponds to the first through hole, and the third through hole is consistent in size with the first through hole.

[0027] Further, the right water stop ring is arranged at the right end of the inner sleeve, and the axial center line of the right water stop ring coincides with the axial center line of the inner sleeve; the middle of the right water stop ring is a fourth through hole, the left end of the right water stop ring is provided with a second clamping ring, and the right end of the connecting ring is provided with a circular second clamping notch corresponding to the position of the second clamping ring, and the second clamping ring is embedded in the second clamping notch, so that the right water stop ring can be clamped to the right end of the connecting ring;

[0028] The fourth through hole corresponds to the second through hole, and the fourth through hole is consistent with the second through hole in size.

[0029] Furthermore, the middle of the left positioning cover plate is a fifth through channel, and the left end of the outer wall of the left positioning cover plate is provided with a first retaining ring extending in the radial direction; the right end of the left positioning cover plate can pass through the third through channel to the right and penetrate into the first through channel, and the first retaining ring is abutted against the left end of the left water stop ring to achieve the fixation of the relative positions of the left positioning cover plate, the left water stop ring and the outer sleeve.

[0030] Furthermore, the middle of the right positioning cover plate is the sixth through channel, and the right end of the outer wall of the right positioning cover plate is provided with a second retaining ring extending in the radial direction; the left end of the right positioning cover plate can pass through the fourth through channel to the left and penetrate into the second through channel, and the second retaining ring is abutted against the right end of the right water stop ring to achieve the fixation of the relative positions of the right positioning cover plate, the right water stop ring and the inner sleeve.

[0031] Further, the outer diameter of the gas pipeline to be installed is consistent with the diameters of the fifth through hole and the sixth through hole, and the fifth through hole and the sixth through hole are used to pass the gas pipeline to be installed.

[0032] Furthermore, the length adjustment screw is further provided with a first external thread, the first guide channel and the second guide channel are both provided with a first internal thread, and the first external thread is adapted to the first internal thread; an adjustment handle is further provided at the right end of the length adjustment screw;

[0033] By rotating the adjustment handle to drive the length adjustment screw to rotate, and through the threaded cooperation of the first internal thread of the first guide channel and the second guide channel and the first external thread of the length adjustment screw, the inner sleeve and the connecting ring can be moved in the direction close to the outer sleeve, thereby adjusting the total left and right length of the outer sleeve and the inner sleeve.

[0034] Further preferably, the right water stop ring is further provided with a first through hole at a position corresponding to the first guide channel, and the diameter of the first through hole is greater than or equal to the diameter of the adjusting handle.

[0035] Furthermore, the left-right length of the first connecting rod is consistent with the left-right length of the outer sleeve, and the left-right length of the second connecting rod is consistent with the left-right length of the inner sleeve.

[0036] Further, the first height adjustment bolt includes a first rod body arranged vertically and a first nut arranged horizontally, the extension direction of the first rod body of the first height adjustment bolt is perpendicular to the extension direction of the first connecting rod, and the lower tube wall of the outer sleeve is provided with a first threaded adjustment hole;

[0037] The first rod body is provided with a second external thread, the first threaded adjustment hole is provided with a second internal thread, and the second external thread is adapted to the second internal thread;

[0038] The first rod body of the first height adjusting bolt passes through the side wall of the first lifting portion and passes into the first threaded adjustment hole.

[0039] Further preferably, a first notch is formed at the left end of the first lifting portion, and a small portion of the left side surface of the first nut of the first height adjustment bolt extends out of the first notch;

[0040] By rotating the portion of the first nut extending into the first notch, the first rod body can be driven to rotate, and the first connecting rod can be moved toward or away from the outer sleeve through the cooperation of the second external thread of the first rod body and the second internal thread of the first threaded adjustment hole.

[0041] Further, the second height adjustment bolt includes a second rod body arranged vertically and a second nut arranged horizontally, the extension direction of the second rod body of the second height adjustment bolt is perpendicular to the extension direction of the second connecting rod, and the lower ring wall of the connecting ring is provided with a second threaded adjustment hole;

[0042] The second rod body is provided with a third external thread, and the second threaded adjustment hole is provided with a third internal thread, and the third external thread is adapted to the third internal thread;

[0043] The second rod body of the second height adjusting bolt passes through the side wall of the second lifting portion and passes into the second threaded adjusting hole.

[0044] Further preferably, a second notch is formed at the right end of the second lifting portion, and a small portion of the right side surface of the second nut of the second height adjustment bolt extends out of the second notch;

[0045] By rotating the part of the second nut extending into the second notch, the second rod body can be driven to rotate, and through the cooperation of the third external thread of the second rod body and the third internal thread of the second threaded adjustment hole, the second connecting rod can be moved towards or away from the connecting ring.

[0046] By adjusting the first connecting rod to move closer to or away from the outer sleeve, the overall height of the outer sleeve and the first connecting rod can be adjusted; by adjusting the second connecting rod to move closer to or away from the connecting ring, the overall height of the connecting ring and the second connecting rod can be adjusted.

[0047] The beneficial effects of the utility model are:

[0048] In the utility model, the inner and outer sleeves are inserted into each other, and the height adjustment mechanism and the length adjustment screw can adjust the horizontal position and the left and right lengths of the sleeve device to ensure that the wall-penetrating pipe is in the center position, and the left water stop ring, the right water stop ring, the left positioning cover plate and the right positioning cover plate are used for sealing, so as to play the role of anti-penetration, sealing and waterproofing.

[0049] The utility model has the characteristics of simple structure, convenient use and easy assembly and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 It is a schematic diagram of the disassembled structure of the adjustable wall sleeve device for the gas pipeline described in Example 1;

[0051] Figure 2 It is a schematic diagram of the assembly structure of the adjustable wall-penetrating sleeve device for a gas pipeline described in Example 1, wherein the inner sleeve and the connecting ring are moved to a certain position in a direction close to the outer sleeve;

[0052] Figure 3 It is a cross-sectional view of the wall opening;

[0053] Figure 4 The adjustable wall sleeve device for the gas pipeline is installed at the wall opening to be installed, and is inserted into the state diagram of the gas pipeline to be installed. DETAILED DESCRIPTION

[0054] In order to make the technical means, technical features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0055] In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0056] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense; for ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0057] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model is described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in a variety of other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific implementation disclosed below.

[0058] Example 1

[0059] like Figure 1-2 As shown, a gas pipeline adjustable wall-penetrating sleeve device comprises an outer sleeve 1, an inner sleeve 2, a circular left water stop ring 3, a circular right water stop ring 4, a circular left positioning cover plate 5, a circular right positioning cover plate 6, a length adjustment screw 71 and a height adjustment mechanism;

[0060] The outer sleeve 1 and the inner sleeve 2 both extend horizontally to the left and right, and both the outer sleeve 1 and the inner sleeve 2 are open structures at both ends, and the channel formed by the wall of the outer sleeve 1 is the first through channel 11, and the channel formed by the wall of the inner sleeve 2 is the second through channel 21;

[0061] The axial centerline of the inner sleeve 2 coincides with the axial centerline of the outer sleeve 1;

[0062] The outer diameter of the inner sleeve 2 is consistent with the diameter of the first through channel 11, and the left end of the inner sleeve 2 passes into the first through channel 11 from the right end of the first through channel 11; by moving the left end of the inner sleeve 2 in the first through channel 11, the total left and right length of the outer sleeve 1 and the inner sleeve 2 can be adjusted.

[0063] A circular connecting ring 7 is sleeved on the wall of the inner sleeve 2. Specifically, in the present embodiment, the connecting ring 7 is fixedly sleeved on the wall of the inner sleeve 2 near the right port, and the inner diameter of the connecting ring 7 is consistent with the outer diameter of the inner sleeve 2, and the connecting ring 7 is fixedly connected to the inner sleeve 2; further preferably, the left and right length of the connecting ring 7 is less than or equal to 1 / 4 of the left and right length of the inner sleeve 2.

[0064] The left water stop ring 3 is arranged at the left end of the outer sleeve 1, and the axial center line of the left water stop ring 3 coincides with the axial center line of the outer sleeve 1; the middle of the left water stop ring 3 is a third through hole 31, the right end of the left water stop ring 3 is provided with a first clamping ring 32, and the left end of the outer sleeve 1 is provided with a first annular clamping notch 12 at a position corresponding to the first clamping ring 32. The first clamping ring 32 is embedded in the first clamping notch 12, so that the left water stop ring 3 can be clamped to the left end of the outer sleeve 1;

[0065] The third through hole 31 corresponds to the first through hole 11 , and the third through hole 31 and the first through hole 11 have the same size.

[0066] The right water stop ring 4 is arranged at the right end of the inner sleeve 2, and the axial center line of the right water stop ring 4 coincides with the axial center line of the inner sleeve 2; the middle of the right water stop ring 4 is a fourth through hole 41, the left end of the right water stop ring 4 is provided with a second clamping ring 42, and the right end of the connecting ring 7 is provided with an annular second clamping notch 72 at a position corresponding to the second clamping ring 42, and the second clamping ring 42 is embedded in the second clamping notch 72, so that the right water stop ring 4 can be clamped to the right end of the connecting ring 7;

[0067] The fourth through hole 41 corresponds to the second through hole 21 , and the fourth through hole 41 and the second through hole 21 have the same size.

[0068] The middle of the left positioning cover plate 5 is a fifth through hole 51, and the left end of the outer wall of the left positioning cover plate 5 is provided with a first retaining ring 52 extending in the radial direction; the right end of the left positioning cover plate 5 can pass through the third through hole 31 to the right, and penetrate into the first through hole 11, and abut against the left end of the left water stop ring 3 through the first retaining ring 52, so as to achieve the relative position fixation of the left positioning cover plate 5, the left water stop ring 3, and the outer sleeve 1;

[0069] The middle of the right positioning cover plate 6 is the sixth through hole 61, and the right end of the outer wall of the right positioning cover plate 6 is provided with a second retaining ring 62 extending in the radial direction; the left end of the right positioning cover plate 6 can pass through the fourth through hole 41 to the left, and penetrate into the second through hole 21, and abut against the right end of the right water stop ring 4 through the second retaining ring 62, thereby realizing the fixation of the relative positions of the right positioning cover plate 6, the right water stop ring 4, and the inner sleeve 2.

[0070] like Figure 4As shown, the outer diameter of the gas pipeline 14 to be installed is consistent with the diameters of the fifth through hole 51 and the sixth through hole 61 , and the fifth through hole 51 and the sixth through hole 61 are used to pass the gas pipeline 14 to be installed.

[0071] Figure 1 , 2 The cross-sectional structure of the outer sleeve 1, the inner sleeve 2, and the connecting ring 7 is shown. For the convenience of explanation, the upper part of the connecting ring 7 is the upper ring wall and the lower part is the lower ring wall in the following description. The upper part of the outer sleeve 1 is the upper tube wall and the lower part is the lower tube wall in the following description.

[0072] The upper ring wall of the connecting ring 7 is provided with a first guide channel extending left and right in the horizontal direction, and the first guide channel penetrates the connecting ring 7 from right to left;

[0073] The right side of the upper tube wall is hollow, and a first guide block 13 is provided near the end surface of the right side of the upper tube wall, and a second guide channel extending along the extension direction of the outer sleeve 1 is provided in the middle of the first guide block 13; the length adjustment screw 71 can be inserted into the first guide channel and the second guide channel in sequence from the right end of the first guide channel;

[0074] Further preferably, the length adjustment screw 71 is further provided with a first external thread, the first guide channel and the second guide channel are both provided with a first internal thread, and the first external thread is adapted to the first internal thread; and an adjustment handle is further provided at the right end of the length adjustment screw 71;

[0075] By rotating the adjustment handle to drive the length adjustment screw 71 to rotate, and through the thread cooperation of the first internal thread of the first guide channel and the second guide channel and the first external thread of the length adjustment screw 71, the inner sleeve 2 and the connecting ring 7 can be moved toward the outer sleeve 1, thereby adjusting the total left-right length of the outer sleeve 1 and the inner sleeve 2;

[0076] The right water stop ring 4 is further provided with a first through hole at a position corresponding to the first guide channel, and the diameter of the first through hole is greater than or equal to the diameter of the adjusting handle.

[0077] The height adjustment mechanism includes a first connecting rod disposed below the outer sleeve 1 and a second connecting rod disposed below the inner sleeve 2, and the first connecting rod and the second connecting rod both extend left and right in the horizontal direction;

[0078] The left-right length of the first connecting rod is consistent with the left-right length of the outer sleeve 1, and the left-right length of the second connecting rod is consistent with the left-right length of the inner sleeve 2;

[0079] The first connecting rod includes a first lifting portion 81 at the left end and a first plug-in portion 82 at the right end, and the second connecting rod includes a second lifting portion 91 at the right end and a second plug-in portion 92 at the left end;

[0080] The first plug-in portion 82 is hollow, and a second guide block 83 is provided on the right side of the first plug-in portion 82 near the end surface, and a third guide channel extending along the extension direction of the first connecting rod is provided in the middle of the second guide block 83; the outer diameter of the second plug-in portion 92 is consistent with the inner diameter of the third guide channel, and the second plug-in portion 92 can be inserted into the first plug-in portion 82 from the right end of the third guide channel.

[0081] A first height adjustment bolt 84 is provided in the first lifting portion 81. The first height adjustment bolt 84 includes a first rod body arranged vertically and a first nut arranged horizontally. The extension direction of the first rod body of the first height adjustment bolt 84 is perpendicular to the extension direction of the first connecting rod. A first threaded adjustment hole is provided on the lower tube wall of the outer sleeve 1.

[0082] The first rod body is provided with a second external thread, the first threaded adjustment hole is provided with a second internal thread, and the second external thread is adapted to the second internal thread;

[0083] The first rod body of the first height adjustment bolt 84 passes through the side wall of the first lifting portion 81 and passes into the first threaded adjustment hole;

[0084] Further preferably, a first notch is formed at the left end of the first lifting portion 81, and a small portion of the left side surface of the first nut of the first height adjustment bolt 84 extends out of the first notch;

[0085] By rotating the portion of the first nut extending into the first notch, the first rod body can be driven to rotate, and the first connecting rod can be moved toward or away from the outer sleeve 1 through the cooperation of the second external thread of the first rod body and the second internal thread of the first threaded adjustment hole.

[0086] A second height adjustment bolt 93 is provided in the second lifting portion 91. The second height adjustment bolt 93 includes a second rod body arranged vertically and a second nut arranged horizontally. The extension direction of the second rod body of the second height adjustment bolt 93 is perpendicular to the extension direction of the second connecting rod. The lower ring wall of the connecting ring 7 is provided with a second threaded adjustment hole.

[0087] The second rod body is provided with a third external thread, and the second threaded adjustment hole is provided with a third internal thread, and the third external thread is adapted to the third internal thread;

[0088] The second rod body of the second height adjustment bolt 93 passes through the side wall of the second lifting portion 91 and passes into the second threaded adjustment hole;

[0089] Further preferably, a second notch is formed at the right end of the second lifting portion 91, and a small portion of the right side surface of the second nut of the second height adjustment bolt 93 extends out of the second notch;

[0090] By rotating the part of the second nut extending into the second notch, the second rod body can be driven to rotate, and through the cooperation of the third external thread of the second rod body and the third internal thread of the second threaded adjustment hole, the second connecting rod can be moved towards or away from the connecting ring 7.

[0091] By adjusting the first connecting rod to move closer to or away from the outer sleeve 1, the overall height of the outer sleeve 1 and the first connecting rod can be adjusted; by adjusting the second connecting rod to move closer to or away from the connecting ring 7, the overall height of the connecting ring 7 and the second connecting rod can be adjusted.

[0092] The method of using the utility model is:

[0093] Before use, the first connecting rod is first installed on the bottom end of the outer sleeve 1, specifically, by passing the first rod body of the first height adjustment bolt 84 through the side wall of the first lifting portion 81 and into the first threaded adjustment hole, and by adjusting the small part of the first nut extending out of the first notch, the first rod body is rotated. At this time, since the second external thread of the first rod body is adapted to the second internal thread in the first threaded adjustment hole, the first rod body moves toward the top of the first threaded adjustment hole, thereby realizing the installation of the first connecting rod and the outer sleeve 1;

[0094] Then, the second connecting rod is installed at the bottom end of the connecting ring 7, specifically, the second rod body of the second height adjusting bolt 93 is passed through the side wall of the second lifting part 91, and is passed through the second threaded adjustment hole, and the second nut is rotated by adjusting the small part of the second nut extending out of the second notch. At this time, since the third external thread of the second rod body is adapted to the third internal thread in the second threaded adjustment hole, the second rod body moves toward the top of the second threaded adjustment hole, thereby realizing the installation of the second connecting rod and the connecting ring 7;

[0095] When in use, the outer sleeve 1 together with the first connecting rod is inserted from the wall opening to be installed (the cross-sectional view of the wall opening is as shown in FIG. Figure 3 As shown in the figure, the inner sleeve 2, the connecting ring 7 and the second connecting rod are inserted into the wall from the right side of the wall opening to be installed, and the left end of the inner sleeve 2 is inserted into the first through channel 11, and the length adjustment screw 71 is inserted into the first guide channel and the second guide channel in sequence from the right end of the first guide channel, and the second plug-in portion 92 is inserted into the first plug-in portion 82 from the right end of the third guide channel.

[0096] At this time, rotating the adjustment handle drives the length adjustment screw 71 to rotate, and through the threaded cooperation of the first internal thread of the first guide channel and the second guide channel and the first external thread of the length adjustment screw 71, the inner sleeve 2 and the connecting ring 7 can be moved toward the outer sleeve 1; and according to the length of the wall opening, the left end of the outer sleeve 1 is located at the left end of the wall opening, and the right ends of the inner sleeve 2 and the connecting ring 7 are located at the right end of the wall opening.

[0097] Then, by rotating the part of the first nut extending into the first notch, the first rod body can be driven to rotate, thereby moving the first connecting rod toward or away from the outer sleeve 1; by rotating the part of the second nut extending into the second notch, the second rod body can be driven to rotate, thereby moving the second connecting rod toward or away from the connecting ring 7.

[0098] By adjusting the first connecting rod to move towards or away from the outer sleeve 1, the overall height of the outer sleeve 1 and the first connecting rod can be adjusted; by adjusting the second connecting rod to move towards or away from the connecting ring 7, the overall height of the connecting ring 7 and the second connecting rod can be adjusted; thereby adjusting the upper and lower heights of the first through channel 11, the second through channel 21, the third through channel 31, the fourth through channel 41, the fifth through channel 51 and the sixth through channel 61 in the wall opening to be installed.

[0099] Finally, the left water stop ring 3 is clamped on the left end of the outer sleeve 1, and the right end of the left positioning cover plate 5 passes through the third through hole 31 and into the first through hole 11, and is abutted against the left end of the left water stop ring 3 through the first retaining ring 52;

[0100] The right water stop ring 4 is clamped on the right end of the connecting ring 7, and the left end of the right positioning cover plate 6 is passed through the fourth through hole 41 and into the second through hole 21, and is abutted against the right end of the right water stop ring 4 through the second retaining ring 62. The installation is now complete (such as Figure 4 As shown), the gas pipeline 14 to be installed can then pass through the fifth through hole 51 and the sixth through hole 61 to achieve through-wall installation.

[0101] In the utility model, the inner and outer sleeves are inserted into each other, and the height adjustment mechanism and the length adjustment screw 71 can adjust the horizontal position and the left and right length of the sleeve device to ensure that the wall-penetrating pipe is in the center position, and the left water stop ring 3, the right water stop ring 4, the left positioning cover plate 5 and the right positioning cover plate 6 are used for sealing to play the role of anti-penetration, sealing and waterproofing.

[0102] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An adjustable wall-penetrating sleeve device for a gas pipeline, characterized in that: It includes an outer sleeve, an inner sleeve, a circular left water stop ring, a circular right water stop ring, a circular left positioning cover plate, a circular right positioning cover plate, a length adjustment screw and a height adjustment mechanism; The channel formed by the outer sleeve wall is the first through-hole channel, and the channel formed by the inner sleeve wall is the second through-hole channel; The outer diameter of the inner sleeve is consistent with the diameter of the first through hole, and the left end of the inner sleeve passes through the right end of the first through hole into the first through hole; The inner sleeve tube wall is provided with a circular connecting ring; The left water stop ring can be snap-connected to the left end of the outer sleeve; the right water stop ring can be snap-connected to the right end of the connecting ring; The right end of the left positioning cover plate can be inserted into the first through hole to the right, and the left end of the right positioning cover plate can be inserted into the second through hole to the left; The upper part of the connecting ring is an upper ring wall, and the lower part is a lower ring wall; the upper part of the outer sleeve is an upper tube wall, and the lower part is a lower tube wall; The upper ring wall of the connecting ring is provided with a first guide channel extending left and right in the horizontal direction, and the first guide channel penetrates the connecting ring from right to left; The right side of the upper tube wall is hollow, and a first guide block is provided at a position near the end surface of the right side of the upper tube wall, and a second guide channel extending along the extension direction of the outer sleeve is provided in the middle of the first guide block; the length adjustment screw can be inserted into the first guide channel and the second guide channel in sequence from the right end of the first guide channel; The height adjustment mechanism includes a first connecting rod disposed below the outer sleeve and a second connecting rod disposed below the inner sleeve, and the first connecting rod and the second connecting rod both extend left and right in a horizontal direction; The first connecting rod includes a first lifting portion at the left end and a first plug-in portion at the right end, and the second connecting rod includes a second lifting portion at the right end and a second plug-in portion at the left end; The first plug-in part is hollow, and a second guide block is provided at a position near the end surface on the right side of the first plug-in part, and a third guide channel extending along the extension direction of the first connecting rod is provided in the middle of the second guide block; the outer diameter of the second plug-in part is consistent with the inner diameter of the third guide channel, and the second plug-in part can be inserted into the first plug-in part from the right end of the third guide channel; A first height adjustment bolt is provided in the first lifting part, and the relative height between the first connecting rod and the outer sleeve can be adjusted by the first height adjustment bolt; A second height adjusting bolt is arranged in the second lifting part, and the relative height between the second connecting rod and the connecting ring can be adjusted by the second height adjusting bolt.

2. The adjustable wall sleeve device for gas pipeline according to claim 1, characterized in that: The connecting ring is fixedly sleeved on the wall of the inner sleeve near the right port, and the inner diameter of the connecting ring is consistent with the outer diameter of the inner sleeve, and the connecting ring is fixedly connected to the inner sleeve.

3. The adjustable wall sleeve device for gas pipeline according to claim 1, characterized in that: The left water stop ring is arranged at the left end of the outer sleeve, and the axial center line of the left water stop ring coincides with the axial center line of the outer sleeve; the middle of the left water stop ring is a third through channel, the right end of the left water stop ring is provided with a first clamping ring, and the left end of the outer sleeve is provided with a first annular clamping notch corresponding to the position of the first clamping ring. The first clamping ring is embedded in the first clamping notch, so that the left water stop ring can be clamped to the left end of the outer sleeve.

4. The adjustable wall sleeve device for gas pipeline according to claim 1, characterized in that: The right water stop ring is arranged at the right end of the inner sleeve, and the axial center line of the right water stop ring coincides with the axial center line of the inner sleeve; the middle of the right water stop ring is a fourth through channel, a second clamping ring is provided at the left end of the right water stop ring, and an annular second clamping notch is provided at the right end of the connecting ring corresponding to the position of the second clamping ring. The second clamping ring is embedded in the second clamping notch, so that the right water stop ring can be clamped to the right end of the connecting ring.

5. The adjustable wall sleeve device for gas pipeline according to claim 1, characterized in that: The fifth through-hole is in the middle of the left positioning cover plate, and the left end of the outer wall of the left positioning cover plate is provided with a first retaining ring extending in the radial direction; the right end of the left positioning cover plate can pass through the third through-hole to the right and penetrate into the first through-hole, and the first retaining ring is abutted against the left end of the left water stop ring to achieve the fixation of the relative positions of the left positioning cover plate, the left water stop ring and the outer sleeve.

6. The adjustable wall sleeve device for gas pipeline according to claim 1, characterized in that: The sixth through-hole is in the middle of the right positioning cover plate, and the right end of the outer wall of the right positioning cover plate is provided with a second retaining ring extending in the radial direction; the left end of the right positioning cover plate can pass through the fourth through-hole to the left and penetrate into the second through-hole, and the second retaining ring is abutted against the right end of the right water stop ring to achieve the fixation of the relative positions of the right positioning cover plate, the right water stop ring and the inner sleeve.

7. The adjustable wall sleeve device for gas pipeline according to claim 1, characterized in that: The length adjustment screw is also provided with a first external thread, and the first guide channel and the second guide channel are both provided with a first internal thread, and the first external thread is matched with the first internal thread; an adjustment handle is also provided at the right end of the length adjustment screw.

8. The adjustable wall sleeve device for gas pipeline according to claim 1, characterized in that: The first height adjustment bolt comprises a first rod body arranged vertically and a first nut arranged horizontally, the extension direction of the first rod body of the first height adjustment bolt is perpendicular to the extension direction of the first connecting rod, and the lower tube wall of the outer sleeve is provided with a first threaded adjustment hole; The first rod body is provided with a second external thread, the first threaded adjustment hole is provided with a second internal thread, and the second external thread is adapted to the second internal thread; The first rod body of the first height adjusting bolt passes through the side wall of the first lifting portion and passes into the first threaded adjustment hole.

9. The adjustable wall sleeve device for gas pipeline according to claim 1, characterized in that: The second height adjustment bolt comprises a second rod body arranged vertically and a second nut arranged horizontally, the extension direction of the second rod body of the second height adjustment bolt is perpendicular to the extension direction of the second connecting rod, and the lower ring wall of the connecting ring is provided with a second threaded adjustment hole; The second rod body is provided with a third external thread, and the second threaded adjustment hole is provided with a third internal thread, and the third external thread is adapted to the third internal thread; The second rod body of the second height adjusting bolt passes through the side wall of the second lifting portion and passes into the second threaded adjusting hole.

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