Drain pipe convenient to connect

Abstract

The utility model relates to the technical field of drain pipes, in particular to a drain pipe convenient to connect, which comprises a pipe body, an anti-cracking noise reduction mechanism is arranged on the inner wall of a mounting pipe, a convenient-to-connect mechanism is arranged on the surface of each of a first flange plate and a second flange plate, and a heat preservation reinforcing mechanism is arranged on each of the inner walls of the pipe body and the mounting pipe. When the drainage pipe is used, the installation pipe can be stably installed on the surface of the pipe body, the phenomenon that the drainage pipe is loosened in the connecting process is avoided, convenience is greatly improved when the drainage pipe is used, the heat preservation performance of the drainage pipe is good when the drainage pipe is used, and the service life of the drainage pipe is prolonged. According to the drainage pipe, the inner portion of the drainage pipe is not prone to icing when the drainage pipe is used in cold winter, meanwhile, the overall compression resistance of the drainage pipe is higher, the drainage pipe is more durable, the surface of the drainage pipe is not prone to cracking when the drainage pipe is used, the better silencing effect can be achieved when the drainage pipe is used, and the phenomenon of disturbing residents cannot occur.

Description

Technical Field

[0001] The utility model relates to the technical field of drainage pipes, in particular to a drainage pipe that is easy to connect. Background Art

[0002] PVC pipe drainage pipe is made of sanitary polyvinyl chloride resin as the main raw material, with appropriate amount of stabilizer, lubricant, filler, color enhancer, etc., and is extruded by a plastic extruder and injection molded by an injection molding machine. It goes through cooling, curing, shaping, inspection, packaging and other processes to complete the production of pipes and fittings. Now we need a drainage pipe that is easy to connect.

[0003] First, the drain pipe needs to be connected before use, and the existing drain pipe is not stable and convenient enough when connected, which easily leads to the drain pipe becoming loose during the connection process, greatly reducing the convenience of using the drain pipe; secondly, the drain pipe is prone to freezing when used in winter, and the thermal insulation and reinforcement performance of the existing drain pipe needs to be further improved when used, which reduces the thermal insulation of the drain pipe when used, and easily causes internal freezing when used in cold winter. At the same time, the overall compressive performance of the drain pipe is reduced, and it is not durable enough; thirdly, the surface of the existing drain pipe is prone to cracking when used, and the sound-absorbing effect is poor, which makes the surface of the drain pipe prone to cracking when used, so that the drain pipe cannot achieve a better sound-absorbing effect when used, and is prone to disturbing people. Utility Model Content

[0004] The purpose of the utility model is to provide a drain pipe that is easy to connect, so as to solve the problems in the above-mentioned background technology that the drain pipe is not stable and convenient when connected, the thermal insulation and reinforcement performance needs to be further improved, it is easy to crack, and the sound insulation effect is poor.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a drainage pipe that is easy to connect, comprising a pipe body, a mounting pipe is arranged on one side of the pipe body, a first flange is installed on the surface of the pipe body, a second flange is installed on the surface of the mounting pipe, the surface of the second flange is in contact with the surface of the first flange, an anti-cracking and silencing mechanism is arranged on the inner wall of the mounting pipe, the interior of the anti-cracking and silencing mechanism includes a silencing pad, an anti-corrosion layer, a fixed cavity and an anti-cracking plate, the surfaces of the first flange and the second flange are both provided with a convenient connection mechanism, the interior of the convenient connection mechanism includes a positioning block, an L-shaped frame plate and an easy connection group, the inner walls of the pipe body and the mounting pipe are both provided with a thermal insulation reinforcement mechanism, the interior of the thermal insulation reinforcement mechanism includes a thermal insulation layer, a thermal insulation ring and a thermal insulation reinforcement part.

[0006] Preferably, the thermal insulation reinforcement part is arranged on the inner wall of the pipe body and the mounting pipe, and the thermal insulation reinforcement part is composed of reinforcing ribs, reinforcement rings and reinforcement rings. The inner wall of the pipe body is installed with an insulation ring for thermal insulation treatment of the surface of the pipe body and the mounting pipe, and the inner wall of the insulation ring is adhered with an insulation layer, and the surface of the insulation layer is bonded to the surface of the mounting pipe.

[0007] Preferably, a reinforcement ring is provided inside the mounting tube to increase the strength of the mounting tube, the inner wall of the reinforcement ring is adhered with the reinforcement ring, the reinforcement ring is bonded to the inner wall of the reinforcement ring, and the inner wall of the mounting tube is installed with reinforcing ribs at equal intervals for further enhancing the compressive performance of the mounting tube, and the surface of the reinforcing ribs is fixed to the surface of the reinforcement ring.

[0008] Preferably, the inner wall of the mounting tube is provided with a fixing cavity, the inner wall of the fixing cavity is provided with an anti-corrosion layer for preventing corrosion, the interior of the fixing cavity is provided with an anti-cracking plate for preventing cracking, and the surface of the anti-cracking plate is bonded to the surface of the anti-corrosion layer.

[0009] Preferably, the surface of the anti-cracking plate is covered with a sound-absorbing pad for silencing the pipe body and the mounting pipe, and the surface of the sound-absorbing pad is bonded to the inner wall of the fixing cavity.

[0010] Preferably, the convenient connection group is arranged on the surface of the first flange and the second flange, and the convenient connection group is composed of a mounting plate, a rotating plate body and a rotating screw. The inner wall of the first flange is installed with a positioning block, and the inner wall of the second flange is opened with a positioning slot, and the surfaces of the positioning block and the positioning slot are engaged with each other.

[0011] Preferably, an L-shaped frame plate is installed on the surface of the first flange plate, and a rotating plate body is provided on the surface of the L-shaped frame plate. The rotating plate body and the surface of the L-shaped frame plate are rotatably matched with each other, and a rotating screw is threadedly connected to the surface of the rotating plate body, one end of the rotating screw extends to the inner wall of the rotating plate body, and the rotating screw and the surface of the rotating plate body are rotatably matched with each other.

[0012] Preferably, the surface of the rotating screw is provided with a mounting plate for mounting between the first flange and the second flange, the surface of the mounting plate and the surface of the rotating screw are rotationally matched with each other, and the surface of the mounting plate is in contact with the surface of the second flange.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the drain pipe which is easy to connect not only enables the installation pipe to be stably installed on the surface of the pipe body when the drain pipe is used, but also avoids the phenomenon of the drain pipe being loosened during the connection process, so that the convenience of using the drain pipe is greatly improved, and the drain pipe can have good thermal insulation performance when in use, and it is not easy to freeze inside when used in cold winter. At the same time, the overall pressure resistance of the drain pipe is higher and more durable, and the surface of the drain pipe is not easy to crack when the drain pipe is in use, so that the drain pipe can achieve a better silencing effect when in use, and will not disturb the people;

[0014] 1. By providing a convenient connection mechanism, the positioning block is clamped into the inside of the positioning slot, and the first flange and the second flange are positioned and installed under the joint action of the positioning block and the positioning slot. Subsequently, the user rotates the rotating plate body on the surface of the L-shaped frame plate, so that the rotating plate body rotates on the surface of the L-shaped frame plate. The user then tightens the rotating screw on the surface of the rotating plate body, and drives the mounting plate to move under the action of the rotating screw, so that the rotating screw drives the mounting plate to move to fit with the surface of the second flange. Under the joint action of the rotating screw and the mounting plate, the second flange is installed on the surface of the first flange, thereby realizing the function of facilitating the connection of the drain pipe, so that the mounting pipe can be stably installed on the surface of the pipe body when the drain pipe is used, avoiding the phenomenon of the drain pipe being loosened during the connection process, and greatly improving the convenience of using the drain pipe;

[0015] 2. By providing a heat preservation and reinforcement mechanism, the surface of the installation pipe is heat-insulated under the joint action of the heat preservation ring and the heat preservation layer. At this time, the reinforcement ring and the reinforcement ring are driven to move under the action of the reinforcement ribs on the inner wall of the installation pipe, and the overall strength of the installation pipe is enhanced under the action of the reinforcement ribs. Under the joint action of the reinforcement ring and the reinforcement ring, the overall compressive performance of the installation pipe is further improved, so that the pipe body and the installation pipe are not easily damaged during use, and the function of heat preservation and reinforcement of the drainage pipe is realized, so that the drainage pipe can have good heat preservation performance when in use, and it is not easy to freeze inside when used in cold winter. At the same time, the overall compressive performance of the drainage pipe is higher and more durable;

[0016] 3. By setting up an anti-cracking and silencing mechanism, the inner wall of the installation pipe can achieve better anti-corrosion effect under the action of the anti-corrosion layer on the inner wall of the fixed cavity, and the inner wall surface of the installation pipe can be prevented from cracking under the action of the anti-cracking plate. Under the action of the silencing pad, the pipe body and the installation pipe have better silencing effect when in use, making the drain pipe quieter when in use, realizing the anti-cracking and silencing function of the drain pipe, so that the surface of the drain pipe is not easy to crack when in use, so that the drain pipe can achieve better silencing effect when in use, and will not disturb people. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0019] Figure 3 For the utility model Figure 2 An enlarged structural diagram of the middle thermal insulation reinforcement mechanism;

[0020] Figure 4 For the utility model Figure 2 An enlarged structural diagram of the anti-crack and silencer mechanism;

[0021] Figure 5 It is an enlarged structural schematic diagram of the convenient connection mechanism of the utility model.

[0022] In the figure: 1. pipe body; 101. mounting pipe; 102. first flange; 103. second flange; 2. thermal insulation reinforcement mechanism; 201. thermal insulation layer; 202. thermal insulation ring; 203. thermal insulation reinforcement part; 2031. reinforcing rib; 2032. reinforcing ring; 2033. reinforcing ring; 3. anti-cracking and silencer mechanism; 301. silencer pad; 302. anti-corrosion layer; 303. fixing cavity; 304. anti-cracking plate; 4. easy connection mechanism; 401. positioning block; 402. L-shaped frame plate; 403. easy connection group; 4031. mounting plate; 4032. rotating plate body; 4033. rotating screw. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] The utility model provides a structure of a drain pipe which is easy to connect. Figure 1 and Figure 2As shown, it includes a tube body 1, a mounting tube 101 is provided on one side of the tube body 1, a first flange 102 is installed on the surface of the tube body 1, a second flange 103 is installed on the surface of the mounting tube 101, and the surface of the second flange 103 is in contact with the surface of the first flange 102.

[0025] Furthermore, if Figure 2 and Figure 4 As shown, the inner wall of the mounting tube 101 is provided with an anti-cracking and silencing mechanism 3, the interior of the anti-cracking and silencing mechanism 3 includes a silencing pad 301, an anti-corrosion layer 302, a fixed cavity 303 and an anti-cracking plate 304, the inner wall of the mounting tube 101 is provided with a fixed cavity 303, the inner wall of the fixed cavity 303 is provided with an anti-corrosion layer 302 for anti-corrosion, the interior of the fixed cavity 303 is provided with an anti-cracking plate 304 for anti-cracking, the surface of the anti-cracking plate 304 is bonded to the surface of the anti-corrosion layer 302, the surface of the anti-cracking plate 304 is covered with a silencing pad 301 for silencing the pipe body 1 and the mounting tube 101, and the surface of the silencing pad 301 is bonded to the inner wall of the fixed cavity 303.

[0026] During implementation, under the action of the anti-corrosion layer 302 on the inner wall of the fixed cavity 303, the inner wall of the mounting pipe 101 is better anti-corrosion, under the action of the anti-cracking plate 304, the inner wall surface of the mounting pipe 101 is prevented from cracking, and under the action of the sound-absorbing pad 301, the sound-absorbing effect of the pipe body 1 and the mounting pipe 101 during use is better, making the drain pipe quieter during use, so as to realize the function of anti-cracking and sound-absorbing of the drain pipe.

[0027] Furthermore, if Figure 2 and Figure 5As shown, the surfaces of the first flange 102 and the second flange 103 are both provided with a convenient connection mechanism 4, the interior of the convenient connection mechanism 4 includes a positioning block 401, an L-shaped frame plate 402 and a convenient connection group 403, the convenient connection group 403 is arranged on the surfaces of the first flange 102 and the second flange 103, the convenient connection group 403 is composed of a mounting plate 4031, a rotating plate body 4032 and a rotating screw 4033, the inner wall of the first flange 102 is installed with a positioning block 401, the inner wall of the second flange 103 is opened with a positioning slot, the positioning block 401 and the surface of the positioning slot are mutually engaged, the surface of the first flange 102 is installed with an L-shaped frame plate 402 A rotating plate body 4032 is provided on the surface of the L-shaped frame plate 402, and the rotating plate body 4032 and the surface of the L-shaped frame plate 402 are rotatably matched with each other. A rotating screw 4033 is threadedly connected to the surface of the rotating plate body 4032, and one end of the rotating screw 4033 extends to the inner wall of the rotating plate body 4032. The rotating screw 4033 and the surface of the rotating plate body 4032 are rotatably matched with each other. The surface of the rotating screw 4033 is provided with a mounting plate 4031 for mounting between the first flange 102 and the second flange 103. The surface of the mounting plate 4031 and the surface of the rotating screw 4033 are rotatably matched with each other, and the surface of the mounting plate 4031 is in contact with the surface of the second flange 103.

[0028] During implementation, the positioning block 401 is clamped into the inside of the positioning slot, and the first flange 102 and the second flange 103 are positioned and installed under the joint action of the positioning block 401 and the positioning slot. Subsequently, the user rotates the rotating plate body 4032 on the surface of the L-shaped frame plate 402, so that the rotating plate body 4032 rotates on the surface of the L-shaped frame plate 402. The user then tightens the rotating screw 4033 on the surface of the rotating plate body 4032, and the mounting plate 4031 is driven to move under the action of the rotating screw 4033, so that the rotating screw 4033 drives the mounting plate 4031 to move until it is in contact with the surface of the second flange 103. Under the joint action of the rotating screw 4033 and the mounting plate 4031, the second flange 103 is installed on the surface of the first flange 102 to realize the function of connecting the drain pipe.

[0029] Furthermore, if Figure 2 and Figure 3As shown, the inner walls of the pipe body 1 and the mounting pipe 101 are both provided with a heat-insulating reinforcement mechanism 2, the interior of the heat-insulating reinforcement mechanism 2 includes a heat-insulating layer 201, a heat-insulating ring 202 and a heat-insulating reinforcement portion 203, the heat-insulating reinforcement portion 203 is provided on the inner walls of the pipe body 1 and the mounting pipe 101, the heat-insulating reinforcement portion 203 is composed of a reinforcing rib 2031, a reinforcing ring 2032 and a reinforcing ring 2033, the inner wall of the pipe body 1 is provided with a heat-insulating ring 202 for heat-insulating the surface of the pipe body 1 and the mounting pipe 101, the inner wall of the heat-insulating ring 202 is adhered with a heat-insulating rib 2031, a reinforcing ring 2032 and a reinforcing ring 2033, The surface of the thermal insulation layer 201 is bonded to the surface of the mounting tube 101, and a reinforcing ring 2033 is arranged inside the mounting tube 101 to increase the strength of the mounting tube 101. A reinforcing ring 2032 is adhered to the inner wall of the reinforcing ring 2033, and the reinforcing ring 2032 is bonded to the inner wall of the reinforcing ring 2033. The inner wall of the mounting tube 101 is provided with reinforcing ribs 2031 at equal intervals for further enhancing the compressive performance of the mounting tube 101, and the surface of the reinforcing ribs 2031 is fixed to the surface of the reinforcing ring 2033.

[0030] During implementation, the surface of the installation pipe 101 is insulated under the joint action of the insulation ring 202 and the insulation layer 201. At this time, the reinforcement ring 2033 and the reinforcement ring 2032 are driven to move under the action of the reinforcement ribs 2031 on the inner wall of the installation pipe 101, and the overall strength of the installation pipe 101 is enhanced under the action of the reinforcement ribs 2031. The overall compression resistance of the installation pipe 101 is further improved under the joint action of the reinforcement ring 2033 and the reinforcement ring 2032, so that the pipe body 1 and the installation pipe 101 are not easily damaged during use, so as to realize the function of insulation reinforcement of the drainage pipe.

[0031] Working principle: When in use, first place the tube body 1 at the designated position, and then place the installation tube 101 on the surface of the tube body 1, so that one end of the installation tube 101 moves to the inside of the tube body 1. At this time, the installation tube 101 drives the second flange 103 to move to contact the surface of the first flange 102. At this time, the positioning block 401 is clamped into the inside of the positioning slot, and the first flange 102 and the second flange 103 are positioned and installed under the joint action of the positioning block 401 and the positioning slot. Subsequently, the user rotates the rotating plate body 4032 on the surface of the L-shaped frame plate 402, so that the rotating plate body 4032 rotates on the surface of the L-shaped frame plate 402. , the user then tightens the rotating screw 4033 on the surface of the rotating plate body 4032, and the mounting plate 4031 is driven to move under the action of the rotating screw 4033, so that the rotating screw 4033 drives the mounting plate 4031 to move to fit with the surface of the second flange 103, and the second flange 103 is installed on the surface of the first flange 102 under the joint action of the rotating screw 4033 and the mounting plate 4031, so as to realize the function of facilitating the connection of the drain pipe, so that the mounting pipe 101 can be stably installed on the surface of the pipe body 1 when the drain pipe is used, avoiding the phenomenon of the drain pipe loosening during the connection process, and greatly improving the convenience of using the drain pipe.

[0032] Subsequently, the surface of the mounting pipe 101 is insulated under the joint action of the insulation ring 202 and the insulation layer 201. At this time, the reinforcement ring 2033 and the reinforcement ring 2032 are driven to move under the action of the reinforcement ribs 2031 on the inner wall of the mounting pipe 101, and the overall strength of the mounting pipe 101 is enhanced under the action of the reinforcement ribs 2031. The overall compressive resistance of the mounting pipe 101 is further improved under the joint action of the reinforcement ring 2033 and the reinforcement ring 2032, so that the pipe body 1 and the mounting pipe 101 are not easily damaged during use, so as to realize the function of insulation reinforcement of the drain pipe, so that the drain pipe can have good insulation performance when in use, and it is not easy to freeze inside when used in cold winter. At the same time, the overall compressive resistance of the drain pipe is higher and more durable.

[0033] Subsequently, under the action of the anti-corrosion layer 302 on the inner wall of the fixed cavity 303, the inner wall of the installation pipe 101 is better anti-corrosion, and under the action of the anti-cracking plate 304, the inner wall surface of the installation pipe 101 is prevented from cracking. Under the action of the sound-absorbing pad 301, the pipe body 1 and the installation pipe 101 have a better sound-absorbing effect when in use, making the drain pipe quieter when in use, so as to realize the anti-cracking and sound-absorbing function of the drain pipe, so that the surface of the drain pipe is not prone to cracking when in use, so that the drain pipe can achieve a better sound-absorbing effect when in use, and will not disturb the public, and finally complete the use of the drain pipe.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A drain pipe that is easy to connect, comprising a pipe body (1), characterized in that: A mounting tube (101) is provided on one side of the tube body (1), a first flange (102) is installed on the surface of the tube body (1), a second flange (103) is installed on the surface of the mounting tube (101), the surface of the second flange (103) is in contact with the surface of the first flange (102), an anti-crack and silencer mechanism (3) is provided on the inner wall of the mounting tube (101), and the interior of the anti-crack and silencer mechanism (3) includes a silencer pad (301), an anti-corrosion layer (302), a fixing cavity (303) and a The anti-cracking plate (304) is provided with a connection-facilitating mechanism (4) on the surface of the first flange (102) and the second flange (103), the interior of the connection-facilitating mechanism (4) includes a positioning block (401), an L-shaped frame plate (402) and a connection-facilitating group (403), and the inner walls of the pipe body (1) and the mounting pipe (101) are provided with a heat-insulating reinforcement mechanism (2), the interior of the heat-insulating reinforcement mechanism (2) includes a heat-insulating layer (201), a heat-insulating ring (202) and a heat-insulating reinforcement part (203).

2. The easily connectable drain pipe according to claim 1, characterized in that: The thermal insulation reinforcement portion (203) is arranged on the inner wall of the pipe body (1) and the mounting pipe (101); the thermal insulation reinforcement portion (203) is composed of a reinforcing rib (2031), a reinforcing ring (2032) and a reinforcing ring (2033); the inner wall of the pipe body (1) is provided with an insulation ring (202) for thermal insulation treatment of the surface of the pipe body (1) and the mounting pipe (101); the inner wall of the insulation ring (202) is adhered with an insulation layer (201); the surface of the insulation layer (201) is bonded to the surface of the mounting pipe (101).

3. The easily connectable drain pipe according to claim 1, characterized in that: A reinforcing ring (2033) is arranged inside the mounting tube (101) to increase the strength of the mounting tube (101); a reinforcing ring (2032) is adhered to the inner wall of the reinforcing ring (2033); the reinforcing ring (2032) is bonded to the inner wall of the reinforcing ring (2033); and reinforcing ribs (2031) are installed at equal intervals on the inner wall of the mounting tube (101) to further enhance the compressive strength of the mounting tube (101); and the surface of the reinforcing ribs (2031) is fixed to the surface of the reinforcing ring (2033).

4. The easily connectable drain pipe according to claim 1, characterized in that: The inner wall of the installation tube (101) is provided with a fixing cavity (303), the inner wall of the fixing cavity (303) is provided with an anti-corrosion layer (302) for preventing corrosion, and the interior of the fixing cavity (303) is provided with an anti-cracking plate (304) for preventing cracking, and the surface of the anti-cracking plate (304) is bonded to the surface of the anti-corrosion layer (302).

5. The easily connectable drain pipe according to claim 4, characterized in that: The surface of the anti-cracking plate (304) is covered with a sound-absorbing pad (301) for silencing the pipe body (1) and the mounting pipe (101), and the surface of the sound-absorbing pad (301) is bonded to the inner wall of the fixing cavity (303).

6. The easily connectable drain pipe according to claim 1, characterized in that: The convenient connection group (403) is arranged on the surface of the first flange (102) and the second flange (103), and the convenient connection group (403) is composed of a mounting plate (4031), a rotating plate body (4032) and a rotating screw (4033). The inner wall of the first flange (102) is installed with a positioning block (401), and the inner wall of the second flange (103) is opened with a positioning groove. The positioning block (401) and the surface of the positioning groove are mutually engaged.

7. The easily connectable drain pipe according to claim 1, characterized in that: The surface of the first flange (102) is installed with an L-shaped frame plate (402), and the surface of the L-shaped frame plate (402) is provided with a rotating plate body (4032). The rotating plate body (4032) and the surface of the L-shaped frame plate (402) are rotatably matched with each other. The surface of the rotating plate body (4032) is threadedly connected with a rotating screw (4033), and one end of the rotating screw (4033) extends to the inner wall of the rotating plate body (4032). The rotating screw (4033) and the surface of the rotating plate body (4032) are rotatably matched with each other.

8. The easily connectable drain pipe according to claim 7, characterized in that: The surface of the rotating screw (4033) is provided with a mounting plate (4031) for mounting between the first flange (102) and the second flange (103); the surface of the mounting plate (4031) and the surface of the rotating screw (4033) are rotationally matched with each other, and the surface of the mounting plate (4031) is in contact with the surface of the second flange (103).

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