Malleable cast iron pipe-passing elbow

Abstract

The utility model relates to the technical field of connecting pieces, and provides a malleable cast iron pipe-passing elbow which comprises a pipe-passing elbow body and further comprises a mounting mechanism, in the malleable cast iron pipe-passing elbow, a rotating ring is rotated, and a limiting rod is inserted into corresponding through holes in a fixed ring and the rotating ring, so that the rotating angle of the rotating ring is limited by the limiting rod; then a hand wheel is screwed, the hand wheel drives a threaded rod to rotate, so that two sliding plates do linear movement close to or away from each other under the limiting of a supporting plate, then a sleeve is screwed, a threaded rod drives the supporting plate to do linear movement close to or away from the top of the pipe passing elbow body, and the effect that the pipe passing elbow is installed through the installation mechanism is achieved; according to the technical scheme, the purpose that height and angle adjustment and installation of the two branch pipes passing through the pipe-passing elbow body are facilitated is achieved, and through the technical scheme, the problems that in the prior art, only one branch pipe passing through the elbow can be limited and shaped, and practicability is low are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting pieces, and in particular to a malleable cast iron pipe elbow. Background Art

[0002] During the installation of malleable cast iron pipe fittings, in order to avoid interference between pipes at the intersection, pipe elbows are usually used. However, it is difficult to ensure that the pipe elbows and branch pipes do not squeeze each other during the installation process, and the pipes are difficult to shape.

[0003] A patent with patent number CN211010354U discloses a malleable cast iron pipe elbow, including a pipe bend and connectors at both ends of the pipe bend, the side wall of the pipe bend is symmetrically provided with a bracket device, the bracket device includes a mounting seat, a connecting rod and a clamp, the mounting seat is provided with a rotating ball on the side facing the connecting rod, the connecting rod includes a rotating groove, a straight cylinder, a push rod, a connecting column and a switch, the rotating groove is sleeved on the rotating ball, a limit strip is provided in the rotating groove, a through hole is provided inside the straight cylinder, the push rod is installed in the through hole, a chamfered surface 1 is provided at the upper end of the push rod, the switch includes a turning handle, a screw rod and a locking block, the locking block is fixed on the screw rod, the turning handle cooperates with the screw thread, rotating the turning handle can make the screw rod slide to the left, the right end of the locking block is provided with a chamfered surface 2, and the chamfered surface 2 is against the chamfered surface 1.

[0004] However, the malleable cast iron pipe elbow in the above patent still has certain problems during use. It can only limit and shape a branch pipe passing through the elbow, and its practicality is low. Therefore, a malleable cast iron pipe elbow is proposed. Utility Model Content

[0005] The utility model provides a malleable cast iron pipe elbow, which solves the problem in the related art that only a branch pipe passing through the elbow can be limited and shaped, resulting in low practicality.

[0006] The technical solution of the utility model is as follows:

[0007] A malleable cast iron pipe elbow comprises a pipe elbow body and further comprises:

[0008] The mounting mechanism comprises a fixing ring, a supporting plate, a limiting plate and a driving assembly, wherein the fixing ring is fixedly sleeved on the outside of the top of the pipe elbow body, a rotating ring is arranged on the fixing ring, and the rotating ring is connected to the supporting plate through an adjusting assembly, and two limiting plates are arranged, and the two limiting plates are symmetrically arranged along the middle of the supporting plate, and the two limiting plates are fixedly connected to the supporting plate through a supporting frame, and the driving assembly comprises a sliding plate, a threaded rod and a handwheel, and two sliding plates are arranged, and one end of the two sliding plates is respectively arranged on both sides of the bottom of the supporting plate and is slidably connected to the bottom of the supporting plate, and the other ends of the two sliding plates respectively extend out of the bottom of the supporting plate, and the tops of the two sliding plates away from the support plates are respectively fixedly connected with baffles corresponding to the two limiting plates.

[0009] Preferably, the handwheel is arranged inside a through groove opened at the bottom of the support plate, and is fixedly sleeved on the outer side of the middle part of the threaded rod, the two sides of the handwheel on the threaded rod are arranged with threads in opposite directions, the two ends of the threaded rod respectively pass through the support plate and extend into the two sliding plates, the threaded rod is rotatably connected to the support plate, and the threaded rod is respectively threadedly connected to the two sliding plates.

[0010] Preferably, the adjustment assembly includes a sleeve and a screw, one end of the sleeve is connected to the rotating ring, one end of the screw is arranged inside the sleeve and threadedly connected to the sleeve, and one end of the screw away from the sleeve is fixedly connected to the middle of the support plate.

[0011] Preferably, the rotating ring is nested in the middle of the fixed ring and is rotatably connected to the fixed ring, and one end of the top of the sleeve is rotatably connected to the bottom of the rotating ring.

[0012] Preferably, the two limit plates and the baffle are both configured to be arc-shaped, and the inner surfaces of the two limit plates and the baffle that are in contact with the branch pipe are fixedly connected with anti-slip rubber pads.

[0013] Preferably, a limit assembly is provided on the rotating ring, and the limit assembly includes a limit rod and a through hole. A plurality of through holes are provided, and the plurality of through holes are correspondingly opened on the rotating ring and on both sides of the fixed ring. The through holes opened on the rotating ring and the fixed ring are distributed in a circular array, and the limit rod is correspondingly inserted into the through holes opened on the rotating ring and the fixed ring, and is slidably connected to the inner wall of the through hole.

[0014] The working principle and beneficial effects of the utility model are:

[0015] 1. In the utility model, by rotating the rotating ring and inserting the limit rod into the corresponding through holes on the fixed ring and the rotating ring, the limit rod limits the rotation angle of the rotating ring, and then by turning the hand wheel, the hand wheel drives the threaded rod to rotate, so that the two sliding plates make linear movements close to and away from each other under the limit of the support plate, so as to facilitate the limiting and fixing of branch pipes of different sizes, and then by turning the sleeve, the screw rod drives the support plate to make linear movements close to and away from the top of the pipe elbow body, so as to achieve the purpose of adjusting the height and angle of the two branch pipes passing through the pipe elbow body through the setting of the installation mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

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

[0018] Figure 2 This is a front view of the utility model;

[0019] Figure 3 It is a partial cross-sectional view of the utility model;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] In the figure: 1. pipe elbow body; 2. mounting mechanism; 3. fixing ring; 4. support plate; 5. limit plate; 6. support frame; 7. sliding plate; 8. threaded rod; 9. hand wheel; 10. baffle; 11. sleeve; 12. screw; 13. rotating ring; 14. limit rod; 15. through hole. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1

[0024] like Figure 1~Figure 4 As shown, this embodiment provides a malleable cast iron pipe elbow, including a pipe elbow body 1, and also includes:

[0025] The mounting mechanism 2 includes a fixing ring 3, a support plate 4, a limit plate 5 and a driving assembly. The fixing ring 3 is fixedly sleeved on the top outer side of the pipe elbow body 1. A rotating ring 13 is arranged on the fixing ring 3. The rotating ring 13 is connected to the support plate 4 through an adjusting assembly. Two limit plates 5 are arranged, and the two limit plates 5 are symmetrically arranged along the middle of the support plate 4. The two limit plates 5 are fixedly connected to the support plate 4 through a supporting frame 6 respectively. The driving assembly includes a sliding plate 7, a threaded rod 8 and a hand wheel 9. Two sliding plates 7 are arranged, and one end of the two sliding plates 7 is respectively arranged on both sides of the bottom of the support plate 4, and is slidably connected to the bottom of the support plate 4. The other ends of the two sliding plates 7 extend out of the bottom of the support plate 4 respectively, and the tops of the two sliding plates 7 away from the support plate 4 are fixedly connected with baffles 10 corresponding to the two limit plates 5.

[0026] Preferably, the hand wheel 9 is arranged inside the through groove opened at the bottom of the support plate 4, and is fixedly sleeved on the outside of the middle part of the threaded rod 8. The two sides of the hand wheel 9 on the threaded rod 8 are arranged with threads in opposite directions. The two ends of the threaded rod 8 respectively pass through the support plate 4 and extend into the two sliding plates 7. The threaded rod 8 is rotatably connected with the support plate 4, and the threaded rod 8 is respectively threadedly connected with the two sliding plates 7. The purpose of this arrangement is to realize that by turning the hand wheel 9, the hand wheel 9 drives the threaded rod 8 to rotate, so that the two sliding plates 7 can make linear movements of approaching and moving away from each other under the limit of the support plate 4, so as to adjust the distance between the baffle 10 on the two sliding plates 7 and the two limit plates 5, so as to facilitate the purpose of limiting and fixing the branch pipes of different sizes.

[0027] Preferably, the adjustment assembly includes a sleeve 11 and a screw 12, one end of the sleeve 11 is connected to the rotating ring 13, one end of the screw 12 is arranged inside the sleeve 11 and is threadedly connected to the sleeve 11, and one end of the screw 12 away from the sleeve 11 is fixedly connected to the middle of the support plate 4. The purpose of this arrangement is to achieve that by twisting the sleeve 11, the screw 12 drives the support plate 4 to move linearly close to and away from the top of the pipe elbow body 1 under the limit of the branch pipe inside the limit plate 5 and the baffle 10, so as to achieve the purpose of adjusting the height of the pipe elbow body 1 at the branch pipe distance.

[0028] Preferably, the rotating ring 13 is nested in the middle of the fixed ring 3 and is rotatably connected to the fixed ring 3, and one end of the top of the sleeve 11 is rotatably connected to the bottom of the rotating ring 13. The purpose of this arrangement is to achieve the purpose of facilitating the rotation adjustment of the mounting mechanism 2 according to the direction of the branch pipe through the arrangement of the rotating ring 13.

[0029] In this embodiment, by rotating the rotating ring 13 and inserting the limiting rod 14 into the corresponding through holes 15 on the fixing ring 3 and the rotating ring 13, the limiting rod 14 limits the rotation angle of the rotating ring 13, so as to achieve the purpose of facilitating the angle adjustment of the installation mechanism 2 according to the direction of the branch pipe, and then by turning the hand wheel 9, the hand wheel 9 drives the threaded rod 8 to rotate, so that the two sliding plates 7 make linear movements close to and away from each other under the limitation of the support plate 4, so as to achieve the purpose of adjusting the distance between the baffle plate 10 and the two limiting plates 5 on the two sliding plates 7, so as to facilitate the purpose of limiting and fixing branches of different sizes, and then by turning the sleeve 11, the screw rod 12 drives the support plate 4 to make linear movements close to and away from the top of the pipe elbow body 1 under the limitation of the limiting plate 5 and the branch pipe inside the baffle 10, so as to achieve the purpose of adjusting the height of the pipe elbow body 1 of the branch pipe distance, and realize the setting of the installation mechanism 2, so as to achieve the purpose of facilitating the height and angle adjustment installation of the two branches passing through the pipe elbow body 1.

[0030] Example 2

[0031] like Figure 1~Figure 4 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment also proposes that the two limit plates 5 and the baffle plate 10 are both set to be arc-shaped, and the inner surfaces of the two limit plates 5 and the baffle plate 10 that contact the branch pipe are fixedly connected with anti-slip rubber pads.

[0032] Preferably, a limit assembly is provided on the rotating ring 13, and the limit assembly includes a limit rod 14 and a through hole 15. A plurality of through holes 15 are provided, and the plurality of through holes 15 are correspondingly opened on the rotating ring 13 and on both sides of the fixed ring 3. The through holes 15 opened on the rotating ring 13 and the fixed ring 3 are distributed in a circular array, and the limit rod 14 is correspondingly inserted into the through holes 15 opened on the rotating ring 13 and the fixed ring 3, and is slidably connected with the inner wall of the through hole 15. The purpose of this arrangement is to achieve the purpose of limiting the rotation angle of the rotating ring 13 by inserting the limit rod 14 into the corresponding through holes 15 on the fixed ring 3 and the rotating ring 13.

[0033] In this embodiment, the purpose of stably limiting the branch pipe is achieved by the arc shape of the limiting plate 5 and the baffle 10 and the provision of the inner non-slip rubber pad.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A malleable cast iron pipe elbow, comprising a pipe elbow body (1), It is characterized in that Also includes: The mounting mechanism (2) comprises a fixing ring (3), a support plate (4), a limit plate (5) and a driving assembly, wherein the fixing ring (3) is fixedly sleeved on the outer side of the top of the pipe elbow body (1), the fixing ring (3) is provided with a rotating ring (13), the rotating ring (13) is connected to the support plate (4) through an adjusting assembly, and two limit plates (5) are provided, the two limit plates (5) are symmetrically arranged along the middle of the support plate (4), and the two limit plates (5) are respectively connected through the support frame (6) ) is fixedly connected to the support plate (4), the driving assembly comprises a sliding plate (7), a threaded rod (8) and a hand wheel (9), two sliding plates (7) are provided, one end of the two sliding plates (7) are respectively arranged on both sides of the bottom of the support plate (4) and are slidably connected to the bottom of the support plate (4), the other ends of the two sliding plates (7) respectively extend out of the bottom of the support plate (4), and the tops of the ends of the two sliding plates (7) away from the support plate (4) are respectively fixedly connected with baffles (10) corresponding to the two limit plates (5).

2. A malleable cast iron pipe elbow according to claim 1, It is characterized in that The hand wheel (9) is arranged inside a through slot provided at the bottom of the support plate (4), and is fixedly sleeved on the outside of the middle part of the threaded rod (8). The two sides of the hand wheel (9) on the threaded rod (8) are provided with threads in opposite directions. The two ends of the threaded rod (8) respectively pass through the support plate (4) and extend into the two sliding plates (7). The threaded rod (8) is rotatably connected to the support plate (4), and the threaded rod (8) is respectively threadedly connected to the two sliding plates (7).

3. The malleable cast iron pipe elbow according to claim 1, It is characterized in that The adjustment assembly comprises a sleeve (11) and a screw (12); one end of the sleeve (11) is connected to the rotating ring (13); one end of the screw (12) is arranged inside the sleeve (11) and is threadedly connected to the sleeve (11); and one end of the screw (12) away from the sleeve (11) is fixedly connected to the middle of the support plate (4).

4. The malleable cast iron pipe elbow according to claim 3, It is characterized in that The rotating ring (13) is nested in the middle of the fixed ring (3) and is rotatably connected to the fixed ring (3); one end of the top of the sleeve (11) is rotatably connected to the bottom of the rotating ring (13).

5. The malleable cast iron pipe elbow according to claim 1, It is characterized in that The two limit plates (5) and the baffle plate (10) are both arranged in an arc shape, and the inner surfaces of the two limit plates (5) and the baffle plate (10) that are in contact with the branch pipe are fixedly connected with anti-slip rubber pads.

6. The malleable cast iron pipe elbow according to claim 1, It is characterized in that A limit assembly is provided on the rotating ring (13), and the limit assembly comprises a limit rod (14) and a through hole (15). A plurality of through holes (15) are provided, and the plurality of through holes (15) are correspondingly provided on the rotating ring (13) and on both sides of the fixed ring (3). The through holes (15) provided on the rotating ring (13) and the fixed ring (3) are distributed in a ring array. The limit rod (14) is correspondingly inserted into the through holes (15) provided on the rotating ring (13) and the fixed ring (3), and is slidably connected to the inner wall of the through hole (15).

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