Thin-wall spherical end socket

Abstract

The utility model relates to the technical field of spherical end sockets, in particular to a thin-wall spherical end socket which comprises an end socket body, reinforcing ribs are fixedly connected to the inner wall of the end socket body, a connecting ring is fixedly arranged on the outer side of the end socket body in a sleeved mode, a supporting ring is arranged at the bottom of the connecting ring, and a rotating ring is rotationally arranged outside the supporting ring in a sleeved mode. The positioning assembly capable of preventing the end socket from deviating during welding is installed on the rotating ring, so that the welding precision is guaranteed, the dismounting and mounting assembly capable of dismounting and mounting the positioning assembly is installed on the rotating ring, the positioning assembly can be repeatedly used, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of spherical head, concretely is a kind of thin-walled spherical head. BACKGROUND

[0002] In many industries such as petroleum, chemical industry, food, pharmaceutical, pressure vessel is widely used. As an important part of pressure vessel, the structure design of head has a crucial influence on the performance and safety of pressure vessel. The overall shape of spherical head is hemispherical, and it is widely used due to its uniform stress and excellent pressure-bearing capacity. In actual use, the head is usually welded to the cylinder, and due to the shape characteristics of the spherical head, the position of the spherical head may shift during welding, affecting the welding precision.

[0003] Chinese patent (authorized announcement number: CN221897107U, authorized announcement date: 2024.10.25) proposes a kind of hemispherical head, the patent is connected by locking screw thread on U-shaped connecting plate, so that locking screw can move while rotating on U-shaped connecting plate, by locking screw movement, the inside of the part that needs to install hemispherical head body can be pushed, so as to fix the position of hemispherical head body, make hemispherical head body not appear deviation in the process of welding, improve the accuracy of hemispherical head body after welding.

[0004] When using the patent, since the locking screw and the U-shaped plate are fixed on the hemispherical head, they cannot be removed after welding, which increases the production cost to some extent, and the locking screw and the U-shaped connecting plate are inside the cylinder during welding. If the height of the cylinder is high, it is difficult for personnel to rotate the locking screw to push it against the inner wall of the cylinder, and the operation difficulty is great. In order to ensure the welding precision of the spherical head and the cylinder, save production cost and reduce operation difficulty, we propose a kind of thin-walled spherical head. UTILITY MODEL CONTENTS

[0005] In view of the shortcomings of the prior art, the utility model provides a kind of thin-walled spherical head, which can ensure the welding precision of the spherical head and the cylinder, save production cost and reduce operation difficulty, and we propose a kind of thin-walled spherical head.

[0006] To achieve the above purpose, the utility model is realized by the following technical solutions:

[0007] A kind of thin-walled spherical head, including head, the inner wall of the head is fixedly connected with reinforcing rib, the outer side of the head is fixedly sleeved with connecting ring, the bottom of the connecting ring is provided with support ring, the support ring is rotatably sleeved with rotating ring, the rotating ring is installed with the positioning assembly that can prevent the head from deviating when welding, the rotating ring is installed with the dismounting assembly that can dismount positioning assembly;

[0008] The disassembly assembly includes a plurality of groups of mounting plates fixedly connected at the top of the rotating ring, wherein two groups of mounting plates are fixedly connected with mounting boxes on the side away from the head, the inner wall of the mounting box is slidably connected with a sliding block, the top of the sliding block is provided with an inclined surface, the side of the sliding block away from the head is fixedly connected with a spring, one end of the spring away from the sliding block is fixedly connected with the inner wall of the mounting box, a connecting rod is slidably arranged on the mounting box, one end of the connecting rod close to the sliding block is fixedly connected with the sliding block, and the end of the connecting rod away from the sliding block is fixedly connected with a pull ring.

[0009] Preferably, the positioning assembly includes a plurality of groups of threaded sleeves rotatably arranged on the mounting plate, a compression screw is threadedly connected in the threaded sleeve, the end of the compression screw away from the threaded sleeve is fixedly connected with a pressing plate, a groove matched with the pressing plate is formed in the mounting plate, a plurality of groups of limiting rods are fixedly connected on the side of the pressing plate close to the threaded sleeve, the limiting rods are slidably arranged through the mounting plate, and a driving mechanism for moving the pressing plate is mounted on the mounting plate.

[0010] Preferably, the driving mechanism includes a plurality of groups of bevel gears fixedly connected at the end of the threaded sleeve away from the pressing plate, the top of the mounting plate is fixedly connected with a mounting ring, the mounting ring is rotatably sleeved with a bevel gear ring, and the bevel gear ring is engaged with the bevel gear.

[0011] Preferably, the top of the mounting ring is fixedly connected with a mounting block, and a positioning screw is threadedly arranged on the mounting block.

[0012] Preferably, the bottom of the supporting ring is fixedly connected with a plurality of groups of connecting sleeves, the inner wall of the connecting sleeve is slidably connected with a supporting rod, the supporting rod is threadedly arranged with a supporting screw, and the bottom of the supporting screw is rotatably connected with a supporting leg.

[0013] Preferably, mounting holes are formed in the supporting rod and the connecting sleeve, and a fixed bolt is inserted into the mounting hole. Beneficial effects

[0014] The utility model provides a kind of thin-wall spherical head.Compared with prior art, the following beneficial effects are achieved:

[0015] The thin-wall spherical head is positioned on the support ring and slowly lowered when welding is needed until the bottom of the connecting ring abuts against the top of the support ring, at which time the bottom of the sliding block abuts against the top of the connecting ring, so that the sliding block and the support ring sandwich the connecting ring, thereby installing the positioning assembly on the head, the head can be aligned with the cylinder and the position of the head is fixed through the positioning assembly, the position of the head is prevented from being deviated during welding, the welding precision is ensured, the positioning assembly is located outside the head, the operation is convenient, the positioning assembly is pulled away from the installation box in a direction away from the installation box after welding is completed, and the positioning assembly can be separated from the head, the positioning assembly can be repeatedly used, and the production cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the main body in elevation;

[0017] Figure 2 It is a schematic view of the main body in cross section;

[0018] Figure 3 It is a schematic view of the main body in explosion;

[0019] Figure 4 It is a schematic view of the internal structure of the installation box of the utility model;

[0020] Figure 5 It is a schematic view of the internal structure of the installation box of the utility model; Figure 3 It is an enlarged schematic view of the structure at A in the middle.

[0021] In the drawing: 1, head; 2, reinforcing rib; 3, connecting ring; 4, rotating ring; 5, installation plate; 6, installation ring; 7, bevel gear; 8, pressing plate; 9, support rod; 10, support screw; 11, support foot; 12, connecting sleeve; 13, support ring; 14, pressing screw; 15, threaded sleeve; 16, bevel gear; 17, limiting rod; 18, installation box; 19, sliding block; 20, spring; 21, connecting rod; 22, pull ring; 23, installation block; 24, positioning screw; 25, groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-5The utility model provides a technical scheme: a kind of thin-walled spherical head, including head 1, reinforcing rib 2 is fixedly connected in head 1 inner wall, connecting ring 3 is fixedly sheathed in the outside of head 1, connecting ring 3 bottom is provided with support ring 13, rotating ring 4 is rotatably sheathed outside support ring 13, rotating ring 4 is installed with the positioning assembly that can prevent head 1 from deviating when welding, rotating ring 4 is installed with the dismounting assembly of detachable positioning assembly;

[0024] Dismounting assembly includes several groups of mounting plate 5, and the side, away from head 1, of the two groups of mounting plate 5 is fixedly connected with mounting box 18, and the inner wall of mounting box 18 is slidably connected with sliding block 19, and the top of sliding block 19 is provided with inclined plane, and the side, away from head 1, of sliding block 19 is fixedly connected with spring 20, and the end, away from sliding block 19, of spring 20 is fixedly connected with the inner wall of mounting box 18, and connecting rod 21 is slidably arranged on mounting box 18, and the end, close to sliding block 19, of connecting rod 21 is fixedly connected with sliding block 19, and the end, away from sliding block 19, of connecting rod 21 is fixedly connected with pull ring 22.

[0025] Reinforcing rib 2 can increase the overall strength of head 1, when welding is needed, head 1 is located above support ring 13 and slowly descends, in the process of descending head 1, connecting ring 3 extrudes the inclined plane of sliding block 19, so that sliding block 19 moves into the inner cavity of mounting box 18, when the bottom of connecting ring 3 abuts against the top of support ring 13, sliding block 19 is ejected from mounting box 18 under the action of spring 20, the bottom of sliding block 19 abuts against the top of connecting ring 3, then sliding block 19 and support ring 13 sandwich connecting ring 3, so that the position of rotating ring 4 is fixed, so as to install positioning assembly on head 1, the position of head 1 and cylinder can be fixed when welding through positioning assembly, so as to avoid the deviation of the position of head 1 in the process of welding, ensure the precision of welding, and positioning assembly is located on the outside of head 1, so it is convenient to operate, after welding is completed, pull ring 22 is pulled away from mounting box 18, sliding block 19 is moved into the inner cavity of mounting box 18 through connecting rod 21, so that positioning assembly can be separated from head 1, positioning assembly can be reused, so as to reduce production cost.

[0026] Positioning assembly includes several groups of threaded sleeve 15, threaded sleeve 15 is rotatably arranged on mounting plate 5, and pressure screw 14 is threadedly connected in threaded sleeve 15, and the end, away from threaded sleeve 15, of pressure screw 14 is fixedly connected with pressing plate 8, and recess 25, matched with pressing plate 8, is formed in mounting plate 5, and the side, close to threaded sleeve 15, of pressing plate 8 is fixedly connected with several groups of limiting rod 17, limiting rod 17 is slidably arranged through mounting plate 5, and driving mechanism for moving pressing plate 8 is installed on mounting plate 5.

[0027] The driving mechanism comprises a plurality of sets of bevel gears 16 fixedly connected to the threaded sleeve 15 at the end away from the pressing plate 8, and a mounting ring 6 fixedly connected to the top of the mounting plate 5, and a bevel gear ring 7 rotatably sleeved outside the mounting ring 6 and engaged with the bevel gears 16.

[0028] During installation, rotating the bevel gear ring 7 drives the bevel gears 16 to rotate, and the threaded sleeve 15 rotates and drives the pressing plate 8 to move into the groove 25 under the action of the pressing screw 14 and the limiting rod 17, so as to avoid the influence of the pressing plate 8 on the installation process. After installation is completed, rotating the bevel gear ring 7 drives the pressing plate 8 to move away from the threaded sleeve 15 until the plurality of sets of pressing plates 8 are tightly pressed against the outer wall of the cylindrical body, so that the head 1 can be aligned with the cylindrical body and the position of the head 1 is fixed, thereby preventing the position of the head 1 from being deviated during welding.

[0029] The mounting ring 6 is fixedly connected to a mounting block 23, and the mounting block 23 is threadedly provided with a positioning screw 24.

[0030] After the position of the head 1 is fixed, rotating the positioning screw 24 drives the positioning screw 24 to tightly press against the bevel gear ring 7, so as to prevent the bevel gear ring 7 from rotating under the action of external force and ensure the smooth progress of the welding process.

[0031] The support ring 13 is fixedly connected to a plurality of sets of connecting sleeves 12 at the bottom, and the connecting sleeves 12 are slidably connected to support rods 9, and the support rods 9 are threadedly provided with support screws 10, and the support screws 10 are rotatably connected to support feet 11 at the bottom.

[0032] The support rods 9 and the connecting sleeves 12 are both provided with mounting holes, and the mounting holes are inserted with fixed pins.

[0033] Rotating the support screw 10 can adjust the distance between the support feet 11 and the support rods 9, so as to adjust the height of the support ring 13. The support rods 9 can be easily disassembled and assembled by plugging and unplugging the fixed pins, so as to reduce the space occupation of the device as a whole, facilitate storage and transportation.

[0034] Working principle: when welding is needed, the head 1 is located above the support ring 13 and slowly lowered, at this time the bevel gear 7 is rotated to drive the bevel gear 16 to rotate, then the threaded sleeve 15 is rotated, under the action of the compression rod 14 and the limiting rod 17, the pressing plate 8 is moved into the groove 25, avoiding the influence of the pressing plate 8 on the installation process, in the process of lowering the head 1, the connecting ring 3 extrudes the inclined surface of the sliding block 19, so that the sliding block 19 moves into the inner cavity of the installation box 18, when the bottom of the connecting ring 3 abuts against the top of the support ring 13, the sliding block 19 is ejected from the installation box 18 under the action of the spring 20, the bottom of the sliding block 19 abuts against the top of the connecting ring 3, so that the sliding block 19 and the support ring 13 clamp the connecting ring 3 in the middle, so that the position of the rotating ring 4 is fixed, thereby the positioning assembly is installed on the head 1, then the bevel gear 7 is rotated to move the pressing plate 8 away from the threaded sleeve 15, until the multiple sets of pressing plates 8 are abutted against the outer wall of the cylinder, so that the head 1 is aligned with the cylinder and the position of the head 1 is fixed, thereby preventing the position of the head 1 from deviating during welding, ensuring the welding precision, and the positioning assembly is located outside the head 1, so that the operation is convenient. After the position of the head 1 is fixed, the positioning screw 24 is rotated to abut against the bevel gear 7, preventing the bevel gear 7 from rotating under the action of external force, ensuring the smooth progress of the welding process. After welding is completed, the pull ring 22 is pulled away from the installation box 18, the sliding block 19 is moved into the inner cavity of the installation box 18 through the connecting rod 21, so that the positioning assembly is separated from the head 1, the positioning assembly can be reused, reducing the production cost.

[0035] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A thin-walled spherical head comprising a head (1), characterized in that: The reinforcing rib (2) is fixedly connected to the inner wall of the head (1), the connecting ring (3) is fixedly sleeved to the outer side of the head (1), the supporting ring (13) is arranged at the bottom of the connecting ring (3), the rotating ring (4) is rotatably sleeved to the outer side of the supporting ring (13), the positioning assembly capable of preventing the head (1) from deviating during welding is arranged on the rotating ring (4), and the dismounting assembly capable of dismounting the positioning assembly is arranged on the rotating ring (4). The dismounting assembly comprises a plurality of groups of mounting plates (5), the mounting plates (5) are fixedly connected to the top of the rotating ring (4), the mounting plates (5) are fixedly connected with mounting boxes (18) on the sides away from the head (1), the inner wall of the mounting box (18) is slidably connected with a sliding block (19), the top of the sliding block (19) is provided with an inclined surface, the side of the sliding block (19) away from the head (1) is fixedly connected with a spring (20), one end of the spring (20) away from the sliding block (19) is fixedly connected with the inner wall of the mounting box (18), the mounting box (18) is slidably sleeved with a connecting rod (21), one end of the connecting rod (21) close to the sliding block (19) is fixedly connected with the sliding block (19), and the other end of the connecting rod (21) away from the sliding block (19) is fixedly connected with a pull ring (22).

2. A thin-walled spherical head according to claim 1, characterized in that: The positioning assembly comprises a plurality of groups of threaded sleeves (15), the threaded sleeves (15) are rotatably sleeved on the mounting plates (5), the threaded sleeves (15) are threadedly connected with the pressing screw (14), the pressing screw (14) is fixedly connected with the pressing plate (8) on the end away from the threaded sleeve (15), the mounting plate (5) is provided with a groove (25) matched with the pressing plate (8), the side of the pressing plate (8) close to the threaded sleeve (15) is fixedly connected with a plurality of groups of limiting rods (17), the limiting rods (17) are slidably sleeved through the mounting plate (5), and the mounting plate (5) is provided with a driving mechanism for driving the pressing plate (8) to move.

3. A thin-walled spherical head according to claim 2, characterized in that: The driving mechanism comprises a plurality of groups of bevel gears (16), the bevel gears (16) are fixedly connected to the end of the threaded sleeve (15) away from the pressing plate (8), the mounting ring (6) is fixedly connected to the top of the mounting plate (5), the bevel gear (7) is rotatably sleeved to the outer side of the mounting ring (6), and the bevel gear (7) is engaged with the bevel gear (16).

4. A thin-walled spherical head according to claim 3, characterized in that: The mounting ring (6) is fixedly connected with the mounting block (23), and the mounting block (23) is threadedly sleeved with the positioning screw (24).

5. A thin-walled spherical head according to claim 1, characterized in that: The supporting ring (13) is fixedly connected with a plurality of groups of connecting sleeves (12), the inner wall of the connecting sleeve (12) is slidably connected with the supporting rod (9), the supporting rod (9) is threadedly sleeved with the supporting screw (10), and the supporting screw (10) is rotatably connected with the supporting leg (11) at the bottom.

6. A thin-walled spherical head according to claim 5, characterized in that: The mounting holes are arranged on the supporting rod (9) and the connecting sleeve (12), and the fixed pins are inserted into the mounting holes.

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