CN114320381A - Water stopping device for preventing through holes from leaking water and processing method thereof - Google Patents
Water stopping device for preventing through holes from leaking water and processing method thereof Download PDFInfo
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- CN114320381A CN114320381A CN202111489796.8A CN202111489796A CN114320381A CN 114320381 A CN114320381 A CN 114320381A CN 202111489796 A CN202111489796 A CN 202111489796A CN 114320381 A CN114320381 A CN 114320381A
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- 238000003672 processing method Methods 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 73
- 238000007710 freezing Methods 0.000 claims abstract description 58
- 230000008014 freezing Effects 0.000 claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 10
- 230000004323 axial length Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 9
- 238000005553 drilling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
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- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The invention discloses a water stopping device for preventing through holes from leaking water and a processing method thereof, wherein the device comprises a water leaking and stopping body and a water sealing rubber ring; the water leakage and water stop body is a seamless steel pipe with a thick self-fastening water stop section and two thin ends, the self-fastening water stop section is a section on the water leakage and water stop body, and the water sealing rubber ring is sleeved on the self-fastening water stop section of the water leakage and water stop body; one end of the water leakage and water stop body is detachably and fixedly connected with the drill bit, and the other end of the water leakage and water stop body is detachably, hermetically and fixedly connected with the freezing pipe. The processing method of the device comprises the following steps: the water leakage and water stop body is firstly processed by adopting a lathe, then the water sealing rubber ring is customized, and finally the water sealing rubber ring is installed on the water leakage and water stop body. The invention designs a self-tightening device for preventing the through holes from water leakage aiming at the problems of easy water leakage and sand gushing of the frozen through holes, and the like.
Description
Technical Field
The invention relates to the technical field of water leakage and water stop through holes. In particular to a water stop device for preventing water leakage of through holes and a processing method thereof.
Background
In the subway communication channel construction, in order to facilitate the operation monitoring of the freezing station and save the engineering cost, the freezing station is usually only built in a tunnel at one side, and the refrigerant required by the freezing hole on the secondary surface is conveyed through the through hole.
In the process of through hole construction, an orifice pipe is usually installed at a position where a hole is formed on a main surface, and grouting is performed through the orifice pipe so as to prevent a joint of the freezing pipe and the pipe sheet from permeating water and gushing sand. And the through hole and the joint part of the auxiliary segment can not be provided with the orifice pipe, the flow direction of slurry is difficult to control through segment grouting hole grouting, and the plugging effect is poor. The gap can be sealed by welding the water stop ring at the middle part of the freezing pipe, but the welding seam of the water stop ring is easy to break when being frozen in the freezing process, so that the freezing pipe is broken.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide a water stopping device for preventing through holes from leaking water, which is simple to install, low in cost, good in plugging effect and capable of avoiding the pipe breaking accident of a freezing pipe.
In order to solve the technical problems, the invention provides the following technical scheme:
a water stopping device for preventing water leakage of through holes comprises a water leakage stopping body and a water sealing rubber ring; the water leakage and water stop body is a seamless steel pipe with a thick self-fastening water stop section and two thin ends, the water sealing rubber ring is sleeved on the self-fastening water stop section of the water leakage and water stop body, and the self-fastening water stop section is a section on the water leakage and water stop body; one end of the water leakage and water stop body is detachably and fixedly connected with the drill bit, and the other end of the water leakage and water stop body is detachably, hermetically and fixedly connected with the freezing pipe; the outer diameter of the seamless steel pipe between the self-fastening water stopping section and the first end of the seamless steel pipe is smaller than or equal to the minimum outer diameter of the self-fastening water stopping section; the outer diameter of the seamless steel pipe between the self-tight water stopping section and the second end of the seamless steel pipe is smaller than or equal to the minimum outer diameter of the self-tight water stopping section.
The water stopping device for preventing the through holes from leaking water is characterized in that clamping grooves are formed in the circumferential direction of the outer surface of the self-tightening water stopping section of the water leaking water stopping body, and the water sealing rubber ring is sleeved on the water leaking water stopping body through the clamping grooves.
The water stopping device for preventing water leakage of the through holes comprises a water stopping body, a water stopping body and a freezing pipe, wherein the water stopping body consists of a drill bit connecting section, a self-tightening water stopping section and a freezing pipe connecting section; the first end of the self-fastening water stopping section is in seamless connection and fluid communication with the second end of the drill bit connecting section, and the second end of the self-fastening water stopping section is in seamless connection and fluid communication with the first end of the freezing pipe connecting section; the drill bit connecting section and the freezing pipe connecting section are two straight pipe sections with the same outer diameter, the outer diameter of the self-fastening water stopping section is gradually increased from the first end to the second end, and the outer diameter of the first end of the self-fastening water stopping section is equal to that of the drill bit connecting section; the first end of the drill bit connecting section is detachably and fixedly connected with the drill bit, and the second end of the freezing pipe connecting section is detachably, hermetically and fixedly connected with the freezing pipe.
In the above water stop device for preventing water leakage through the through hole, in the length direction from the first end of the self-fastening water stop section to the second end of the self-fastening water stop section: the clamping groove is formed in the position 1/3-2/3 of the outer surface of the self-fastening water stopping section, the length of the clamping groove in the axial direction of the self-fastening water stopping section is 1/3 of the length of the self-fastening water stopping section, and the depth of the clamping groove becomes gradually shallower from the first end to the second end; the depth of the first end of the clamping groove is equal to the thickness of the water sealing rubber ring.
The water stopping device for preventing the through holes from leaking water is characterized in that the water sealing rubber ring is a cylindrical rubber ring, the inner diameter of the water sealing rubber ring is equal to the outer diameter of the drill bit connecting section, and the axial length of the water sealing rubber ring is equal to the length of the clamping groove in the axial direction of the self-tightening water stopping section.
According to the water stopping device for preventing water leakage of the through holes, the length of the drill bit connecting section is 1/3-1/2 of the length of the water leakage stopping body; the length of the self-fastening water stopping section is 1/10-1/9 of the length of the water leakage and water stopping body.
In the above water stop device for preventing water leakage through the through hole, in the length direction from the first end of the self-fastening water stop section to the second end of the self-fastening water stop section: the clamping groove is formed in the position 1/3-2/3 of the outer surface of the self-fastening water stopping section, the length of the clamping groove in the axial direction of the self-fastening water stopping section is 1/3 of the length of the self-fastening water stopping section, and the depth of the clamping groove becomes gradually shallower from the first end to the second end; the depth of the first end of the clamping groove is equal to the thickness of the water sealing rubber ring;
the water sealing rubber ring is a cylindrical rubber ring, the inner diameter of the water sealing rubber ring is equal to the outer diameter of the drill bit connecting section, and the axial length of the water sealing rubber ring is equal to the length of the clamping groove in the axial direction of the self-tightening water stopping section;
the length of the drill bit connecting section is 1/3 of the length of the water leakage and water stop body; the length of the self-fastening water stopping section is 1/10 of the length of the water leakage and water stopping body.
A processing method of a water stopping device for preventing water leakage of through holes comprises the following steps:
step A: according to the specification of a freezing pipe to be constructed, a seamless steel pipe with the outer diameter larger than that of the freezing pipe is taken, the seamless steel pipe is processed into a water leakage and water stop body by a lathe, the water leakage and water stop body is a seamless steel pipe with a self-fastening water stop section and two thick ends and two thin ends, and the self-fastening water stop section is a section on the water leakage and water stop body; the outer diameter of the seamless steel pipe between the self-fastening water stopping section and the first end of the seamless steel pipe is smaller than or equal to the minimum outer diameter of the self-fastening water stopping section; the outer diameter of the seamless steel pipe between the self-fastening water stopping section and the second end of the seamless steel pipe is smaller than or equal to the minimum outer diameter of the self-fastening water stopping section;
and B: b, customizing a water sealing rubber ring according to the size of the water leakage and water stop body processed in the step A;
and C: the water sealing rubber ring is sleeved on the self-tightening water stopping section on the water leakage water stopping body, when the water leakage water stopping body is used, one end of the water leakage water stopping body is detachably and fixedly connected with the drill bit, and the other end of the water leakage water stopping body is detachably, hermetically and fixedly connected with the freezing pipe.
According to the processing method of the water stopping device for preventing the water leakage of the through holes, the water leakage and stopping body consists of a drill bit connecting section, a self-tightening water stopping section and a freezing pipe connecting section; the first end of the self-fastening water stopping section is in seamless connection and fluid communication with the second end of the drill bit connecting section, and the second end of the self-fastening water stopping section is in seamless connection and fluid communication with the first end of the freezing pipe connecting section; the drill bit connecting section and the freezing pipe connecting section are two straight pipe sections with the same outer diameter, the outer diameter of the self-fastening water stopping section is gradually increased from the first end to the second end, and the outer diameter of the first end of the self-fastening water stopping section is equal to that of the drill bit connecting section;
the length of the drill bit connecting section is 1/3 of the length of the water leakage and water stop body; the length of the self-fastening water stopping section is 1/10 of the length of the water leakage and stopping body;
in the step A, threads are respectively machined on the first end of the drill bit connecting section and the second end of the freezing pipe connecting section by a lathe, so that the first end of the drill bit connecting section can be in threaded connection with the drill bit, and the second end of the freezing pipe connecting section can be in threaded connection with the freezing pipe.
The processing method of the water stopping device for preventing the water leakage of the through holes is characterized in that in the step B, the water sealing rubber ring is a cylindrical rubber ring, and the inner diameter of the water sealing rubber ring is equal to the outer diameter of the drill bit connecting section;
in the step C, a clamping groove is formed in the circumferential direction of the outer surface of the self-fastening water stopping section by using a lathe, and the size of the clamping groove is matched with that of the water sealing rubber ring, namely the water sealing rubber ring can be sleeved on the water leakage and stopping body through the clamping groove;
the depth of the first end of the clamping groove is equal to the thickness of the water sealing rubber ring, and the length of the clamping groove in the axial direction of the self-tightening water stopping section is equal to the axial length of the water sealing rubber ring; in a length direction from a first end of the self-snubbing section to a second end of the self-snubbing section: the draw-in groove is seted up 1/3 ~ 2/3 department from tight stagnant water section surface, the draw-in groove is followed the length of tight stagnant water section axial direction is from the 1/3 of tight stagnant water section length, just the degree of depth of draw-in groove becomes gradually shallow from first end to second end.
The technical scheme of the invention achieves the following beneficial technical effects:
the invention designs a self-tightening device for preventing the through holes from leaking water aiming at the problems of easy water leakage and sand gushing of the frozen through holes, and the like, and after the device is installed, the gap of the joint part of the through holes and the segment can be thoroughly plugged only by controlling the drilling length of a drilling machine; the self-tightening device for preventing the water leakage of the through hole is arranged into a structure with a thick middle part and two thin ends, and is used as a first section of freezing pipe, the self-tightening water stop section with the thickness can be clamped into the through hole through a drilling machine, and the self-tightening water stop section becomes thick gradually from front to back, so that the device can be tightly attached to the through hole, and a gap between a pipe piece and the freezing pipe is blocked under the sealing action of the water sealing rubber ring. The invention has simple installation and good plugging effect, and does not need to adopt a welding mode to install the water stop ring, thereby effectively avoiding the pipe breakage accident caused by the frozen and broken welding line.
The device is also provided with the clamping groove with a special structure, so that the stability, the durability and the sealing performance of the water sealing rubber ring are improved. The clamping groove is of a gradually-changed structure with a deep front part and a shallow rear part, and the depth of the deepest part of the front end is equal to the thickness of the water sealing rubber ring, so that the stability of the water sealing rubber ring sleeved on the clamping groove is ensured, and the water sealing rubber ring is not easy to dislocate; in addition, the structure that the front part of the clamping groove is deep and the rear part of the clamping groove is shallow can realize that the water sealing rubber ring is loose and tight before and after being installed, and further ensures that the water sealing rubber ring is not easy to dislocate when being stressed; and if the clamping groove does not adopt a structure with deep front and shallow back, but is in direct transition, the water sealing rubber ring can form a wrong platform when being subjected to the action of strong extrusion, so that the freezing pipe is blocked and cannot be tightly jacked.
The invention also provides a processing method of the water stopping device for preventing the water leakage of the through holes, which has the advantages of simple operation, low processing cost, capability of processing the device into different sizes according to actual requirements and strong flexibility.
Drawings
FIG. 1 is a schematic view showing the structure of a water stopping device for preventing water leakage through holes in the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
fig. 3 is a schematic structural view of the water leakage and stopping body with the clamping groove;
FIG. 4 is an enlarged view of the invention at B in FIG. 2;
FIG. 5 is a schematic view of the water leakage and stop body of the present invention;
FIG. 6 is a schematic structural view of a water-sealing rubber ring according to the present invention;
FIG. 7 is a top view of the water-sealing rubber ring of the present invention.
The reference numbers in the figures denote: 1-a drill bit connecting section; 2-a self-tightening water stop section; 3-freezing the pipe connecting section; 4-sealing a water rubber ring; 5-a clamping groove; 6-water leakage and water stop body.
Detailed Description
Example 1
The water stopping device for preventing water leakage from the through holes in the embodiment is shown in fig. 1 and 2, and comprises a water leakage stopping body 6 and a water sealing rubber ring 4; the water leakage and water stop body 6 is a seamless steel pipe with a thick self-tightening water stop section 2 and two thin ends, and the self-tightening water stop section 2 is a section on the water leakage and water stop body 6; along the surface circumference of the self-tightening water stopping section 2 of the water leakage water stopping body 6, a clamping groove 5 is formed, a water sealing rubber ring 4 is sleeved on the water leakage water stopping body 6 through the clamping groove 5, one end of the water leakage water stopping body 6 is detachably and fixedly connected with the drill bit, and the other end of the water leakage water stopping body is detachably and fixedly connected with the freezing pipe. The length of the water leakage and water stop body 6 is 1.5m, and the inner diameter is 73 mm.
As shown in fig. 5, the water leakage and stopping body 6 is composed of a drill bit connecting section 1, a self-fastening water stopping section 2 and a freezing pipe connecting section 3; the first end of the self-tight water stopping section 2 is in seamless connection and fluid communication with the second end of the drill bit connecting section 1, and the second end of the self-tight water stopping section 2 is in seamless connection and fluid communication with the first end of the freezing pipe connecting section 3; the drill bit connecting section 1 and the freezing pipe connecting section 3 are two straight pipe sections with the same outer diameter, the outer diameter of each straight pipe section is 89mm, the outer diameter of the self-fastening water stopping section 2 is gradually increased from the first end to the second end, namely from 89mm to 93.5mm, and the outer diameter of the first end of the self-fastening water stopping section 2 is equal to the outer diameter of the drill bit connecting section 1 and is 89 mm; the first end of the drill bit connecting section 1 is connected with the drill bit through threads, and the second end of the freezing pipe connecting section 3 is fixedly connected with the freezing pipe through threads in a sealing mode. The length of the drill bit connecting section 1 is 0.5m, the length of the self-tightening water stopping section is 0.15m, and the length of the freezing pipe connecting section is 0.85 m.
As shown in fig. 3 and 4, in the length direction from the first end of the self-sealing water stop section 2 to the second end of the self-sealing water stop section 2: the clamping groove 5 is formed in the position, 50mm to 100mm away from the outer surface of the self-locking water stop section 2, of the clamping groove 5, the length of the clamping groove 5 in the axial direction of the self-locking water stop section 2 is 50mm, namely the clamping groove 5 occupies the middle 1/3 section of the self-locking water stop section 2, the depth of the clamping groove 5 gradually becomes shallow from the first end to the second end, namely the depth gradually becomes 0mm from the depth of 2mm, and the clamping groove structure with the front deep and the back shallow has two functions, so that if the direct transition is adopted, a staggered platform is possibly formed when the water sealing rubber ring is subjected to the action of strong extrusion, the freezing pipe is clamped and cannot be tightly jacked; secondly, the structure with deep front and shallow back can realize that the water sealing rubber ring is loose and tight in front and back after being installed, so that the water sealing rubber ring is not easy to dislocate when being stressed; the depth of the first end of the clamping groove 5 is equal to the thickness of the water sealing rubber ring 4 and is 2 mm.
As shown in fig. 6 and 7, the water sealing rubber ring 4 is a cylindrical rubber ring, the inner diameter of the water sealing rubber ring 4 is equal to the outer diameter of the drill bit connecting section 1, and both the inner diameter and the outer diameter are 89mm, and the axial length of the water sealing rubber ring 4 is equal to the length of the clamping groove 5 along the axial direction of the self-tightening water stopping section 2, and both the axial length and the length are 50 mm.
The working principle is as follows: in the actual through hole drilling process, the device is used as a first section of freezing pipe, a one-way valve and a drill bit are installed on a drill bit connecting section 1 at the front end, a freezing pipe connecting section 3 at the rear end is connected with a standard freezing pipe 89 × 8mm seamless steel pipe, and the diameter of a through hole formed by the drill bit is 91mm, so that the drill bit connecting section 1 with the front section of 0.5m can smoothly pass through the through hole [ in other embodiments, the length of the drill bit connecting section 1 can also be adjusted according to the actual situation on site ], and the maximum diameter of a self-fastening water stop section 2 in the middle of the device is 93.5mm, so that the device can be jacked into the through hole by means of the thrust of a drilling machine until the device is clamped, and a water sealing rubber ring installed on the self-fastening water stop section 3 can well fill a gap between a pipe piece and the device, thereby achieving the purpose of blocking water flow.
Example 2
The method for manufacturing the water stop device for preventing water leakage of the through hole in the embodiment 1 includes the following steps:
step A: taking a seamless steel pipe with the length of 1.5m and the diameter of 95 x 11mm, processing the seamless steel pipe into a water leakage and water stop body 6 by using a lathe, enabling the water leakage and water stop body 6 to be a seamless steel pipe with a thick self-tightening water stop section and thin two ends, namely processing the outer diameter of a section of the seamless steel pipe, which is 0-0.5 m away from the end head of the first end, into 89mm by using the lathe, and simultaneously processing the inner diameter and threading according to the sizes of a one-way valve and a drill to complete the processing of the drill connecting section 1; then processing the outer diameter of a section of the seamless steel pipe which is 0.5-0.65 m away from the first end into a self-tightening water stop section 2 with the diameter gradually increased from 89mm to 93.5 mm; then, the outer diameter of the rest part of the seamless steel pipe is processed into a freezing pipe connecting section 3 with the diameter of 89mm, so as to finish the processing of the water leakage and water stop body 6, as shown in figure 5;
and B: b, customizing a water sealing rubber ring 4 according to the size of the water leakage and water stop body 6 processed in the step A, and customizing a cylindrical wear-resistant rubber ring with the inner diameter of 89mm, the thickness of 2mm and the length of 50mm, as shown in figures 6 and 7;
and C: utilize the lathe to set up draw-in groove 5 along the circumference from tight stagnant water section 2 surfaces, from the length direction of the first end of tight stagnant water section 2 to the second end of tight stagnant water section 2: the clamping groove 5 is formed in the position 50mm to 100mm from the outer surface of the self-locking water stopping section 2, the length of the clamping groove 5 in the axial direction of the self-locking water stopping section 2 is 50mm, namely the clamping groove 5 occupies the middle 1/3 section of the self-locking water stopping section 2, and the depth of the clamping groove 5 is gradually reduced from the first end to the second end, namely the depth is gradually reduced from 2mm to 0 mm; and finally, sleeving the water sealing rubber ring 4 on the position of the clamping groove of the water leakage and water stop body 6, thus finishing the processing of the water stop device for preventing water leakage of the through holes.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.
Claims (10)
1. A water stopping device for preventing water leakage of through holes is characterized by comprising a water leakage stopping body (6) and a water sealing rubber ring (4); the water leakage and water stop body (6) is a seamless steel pipe with a thick self-tightening water stop section (2) and two thin ends, the water sealing rubber ring (4) is sleeved on the self-tightening water stop section (2) of the water leakage and water stop body (6), and the self-tightening water stop section (2) is a section on the water leakage and water stop body (6); one end of the water leakage and water stop body (6) is detachably and fixedly connected with the drill bit, and the other end of the water leakage and water stop body is detachably, hermetically and fixedly connected with the freezing pipe; the outer diameter of the seamless steel pipe between the self-fastening water stopping section (2) and the first end of the seamless steel pipe is smaller than or equal to the minimum outer diameter of the self-fastening water stopping section (2); the outer diameter of the seamless steel pipe between the self-fastening water stopping section (2) and the second end of the seamless steel pipe is smaller than or equal to the minimum outer diameter of the self-fastening water stopping section (2).
2. The water stopping device for preventing water leakage through holes as claimed in claim 1, wherein a slot (5) is opened along the circumference of the outer surface of the self-fastening water stopping section (2) of the water leakage water stopping body (6), and the water sealing rubber ring (4) is sleeved on the water leakage water stopping body (6) through the slot (5).
3. The water stopping device for preventing water leakage through the through holes according to claim 2, wherein the water leakage stopping body (6) is composed of a drill bit connecting section (1), a self-fastening water stopping section (2) and a freezing pipe connecting section (3); the first end of the self-fastening water stopping section (2) is in seamless connection with the second end of the drill bit connecting section (1) and is in fluid communication with the second end of the self-fastening water stopping section (2), and the second end of the self-fastening water stopping section (2) is in seamless connection with the first end of the freezing pipe connecting section (3) and is in fluid communication with the first end of the freezing pipe connecting section; the drill bit connecting section (1) and the freezing pipe connecting section (3) are two straight pipe sections with the same outer diameter, the outer diameter of the self-fastening water stopping section (2) is gradually increased from the first end to the second end, and the outer diameter of the first end of the self-fastening water stopping section (2) is equal to that of the drill bit connecting section (1); the first end of the drill bit connecting section (1) is detachably and fixedly connected with the drill bit, and the second end of the freezing pipe connecting section (3) is detachably, hermetically and fixedly connected with the freezing pipe.
4. The watertight device for preventing through-hole leakage according to claim 3, wherein in a length direction from the first end of the self-sealing water section (2) to the second end of the self-sealing water section (2): the clamping groove (5) is formed in the position 1/3-2/3 of the outer surface of the self-fastening water stopping section (2), the length of the clamping groove (5) in the axial direction of the self-fastening water stopping section (2) is 1/3 of the length of the self-fastening water stopping section (2), and the depth of the clamping groove (5) is gradually reduced from the first end to the second end; the depth of the first end of the clamping groove (5) is equal to the thickness of the water sealing rubber ring (4).
5. The water stopping device for preventing water leakage through the through holes according to claim 3, wherein the water sealing rubber ring (4) is a cylindrical rubber ring, the inner diameter of the water sealing rubber ring (4) is equal to the outer diameter of the drill bit connecting section (1), and the axial length of the water sealing rubber ring (4) is equal to the length of the clamping groove (5) along the axial direction of the self-fastening water stopping section (2).
6. The watertight device for preventing through-hole leakage according to claim 3, wherein the length of the drill bit connection section (1) is 1/3-1/2 of the length of the watertight body (6); the length of the self-fastening water stopping section (2) is 1/10-1/9 of the length of the water leakage and stopping body (6).
7. The watertight device for preventing through-hole leakage according to claim 3, wherein in a length direction from the first end of the self-sealing water section (2) to the second end of the self-sealing water section (2): the clamping groove (5) is formed in the position 1/3-2/3 of the outer surface of the self-fastening water stopping section (2), the length of the clamping groove (5) in the axial direction of the self-fastening water stopping section (2) is 1/3 of the length of the self-fastening water stopping section (2), and the depth of the clamping groove (5) is gradually reduced from the first end to the second end; the depth of the first end of the clamping groove (5) is equal to the thickness of the water sealing rubber ring (4);
the water sealing rubber ring (4) is a cylindrical rubber ring, the inner diameter of the water sealing rubber ring (4) is equal to the outer diameter of the drill bit connecting section (1), and the axial length of the water sealing rubber ring (4) is equal to the length of the clamping groove (5) in the axial direction of the self-tightening water stopping section (2);
the length of the drill bit connecting section (1) is 1/3 of the length of the water leakage and water stop body (6); the length of the self-fastening water stopping section (2) is 1/10 of the length of the water leakage and stopping body (6).
8. A processing method of a water stopping device for preventing water leakage of through holes is characterized by comprising the following steps:
step A: according to the specification of a freezing pipe to be constructed, a seamless steel pipe with the outer diameter larger than that of the freezing pipe is taken, the seamless steel pipe is machined into a water leakage and water stop body (6) by a lathe, the water leakage and water stop body (6) is a seamless steel pipe with a self-tightening water stop section (2) thick and two thin ends, and the self-tightening water stop section (2) is a section on the water leakage and water stop body (6); the outer diameter of the seamless steel pipe between the self-fastening water stopping section (2) and the first end of the seamless steel pipe is smaller than or equal to the minimum outer diameter of the self-fastening water stopping section (2); the outer diameter of the seamless steel pipe between the self-fastening water stopping section (2) and the second end of the seamless steel pipe is smaller than or equal to the minimum outer diameter of the self-fastening water stopping section (2);
and B: b, customizing a water sealing rubber ring (4) according to the size of the water leakage and water stop body (6) processed in the step A;
and C: the water sealing rubber ring (4) is sleeved on the self-tightening water stopping section (2) on the water leakage water stopping body (6), when the water sealing device is used, one end of the water leakage water stopping body (6) is detachably and fixedly connected with the drill bit, and the other end of the water leakage water stopping body is detachably, hermetically and fixedly connected with the freezing pipe.
9. The method for manufacturing a watertight device for through-hole prevention of water leakage according to claim 8, wherein the watertight body (6) is composed of a drill bit connection section (1), a self-fastening watertight section (2) and a freezing pipe connection section (3); the first end of the self-fastening water stopping section (2) is in seamless connection with the second end of the drill bit connecting section (1) and is in fluid communication with the second end of the self-fastening water stopping section (2), and the second end of the self-fastening water stopping section (2) is in seamless connection with the first end of the freezing pipe connecting section (3) and is in fluid communication with the first end of the freezing pipe connecting section; the drill bit connecting section (1) and the freezing pipe connecting section (3) are two straight pipe sections with the same outer diameter, the outer diameter of the self-fastening water stopping section (2) is gradually increased from the first end to the second end, and the outer diameter of the first end of the self-fastening water stopping section (2) is equal to that of the drill bit connecting section (1);
the length of the drill bit connecting section (1) is 1/3 of the length of the water leakage and water stop body (6); the length of the self-fastening water stopping section (2) is 1/10 of the length of the water leakage and stopping body (6);
in the step A, threads are respectively machined on the first end of the drill bit connecting section (1) and the second end of the freezing pipe connecting section (3) by a lathe, so that the first end of the drill bit connecting section (1) can be in threaded connection with the drill bit, and the second end of the freezing pipe connecting section (3) can be in threaded connection with the freezing pipe.
10. The method for manufacturing a water stop device for preventing water leakage through holes according to claim 9, wherein in step B, the water seal rubber ring (4) is a cylindrical rubber ring, and the inner diameter of the water seal rubber ring (4) is equal to the outer diameter of the drill bit connecting section (1);
in the step C, a clamping groove (5) is formed in the circumferential direction of the outer surface of the self-tightening water stopping section (2) by using a lathe, the size of the clamping groove (5) is matched with that of the water sealing rubber ring (4), and the water sealing rubber ring (4) can be sleeved on the water leakage and stopping body (6) through the clamping groove (5);
the depth of the first end of the clamping groove (5) is equal to the thickness of the water sealing rubber ring (4), and the length of the clamping groove (5) in the axial direction of the self-tightening water stopping section (2) is equal to the axial length of the water sealing rubber ring (4); in a length direction from a first end of the self-snubbing section (2) to a second end of the self-snubbing section (2): the draw-in groove (5) are seted up 1/3 ~ 2/3 department from tight stagnant water section (2) surface, draw-in groove (5) are followed from tight stagnant water section (2) axial direction's length does from tight stagnant water section (2) length's 1/3, just the degree of depth of draw-in groove (5) is held to shallowing gradually from first end to second.
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| CN202111489796.8A CN114320381A (en) | 2021-12-08 | 2021-12-08 | Water stopping device for preventing through holes from leaking water and processing method thereof |
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| CN202111489796.8A CN114320381A (en) | 2021-12-08 | 2021-12-08 | Water stopping device for preventing through holes from leaking water and processing method thereof |
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| CN114320381A true CN114320381A (en) | 2022-04-12 |
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