CN219112889U - Long water gap sealing structure - Google Patents
Long water gap sealing structure Download PDFInfo
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- CN219112889U CN219112889U CN202223562650.4U CN202223562650U CN219112889U CN 219112889 U CN219112889 U CN 219112889U CN 202223562650 U CN202223562650 U CN 202223562650U CN 219112889 U CN219112889 U CN 219112889U
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Abstract
The utility model discloses a long nozzle sealing structure which comprises a wrist and a water outlet, wherein the water outlet is positioned on the wrist, a fixed ring is fixedly connected to the outer side wall of the water outlet, clamping grooves are formed in one side wall of the wrist, which is close to the fixed ring, and one side wall of the fixed ring, which is close to the wrist, respectively, and a plurality of first threaded rods are symmetrically and fixedly connected to the inner side wall of the clamping grooves of the wrist. According to the utility model, the fixed connection between the wrist and the water outlet is completed by means of the fixing ring, the fastening ring is only required to be rotated, the threaded connection among the first threaded rods, the second threaded rods and the threaded pipes can be simultaneously carried out, the wrist and the fixing ring are driven to be close to each other until the fastening ring and the switching ring are firmly clamped and fixed between the clamping grooves of the wrist and the fixing ring, the installation progress is uniform, the offset error is small, and finally, the installation, fixation and sealing effects are good.
Description
Technical Field
The utility model relates to the technical field of long nozzle sealing, in particular to a long nozzle sealing structure.
Background
In continuous casting production, molten steel flows through a tundish from a ladle, so that secondary oxidization is avoided due to the fact that the molten steel is contacted with air, oxygen content in the steel is increased, acid-soluble aluminum content in the steel is reduced, nitrogen content is increased, purity of the steel is deteriorated, and therefore connection and fixation between a drain port and a wrist are required to be sealed by means of a long-port sealing structure.
When the existing long water gap sealing structure is used, when the lower water gap is fixedly connected with the wrist, the threaded connection between the threaded rods and the threaded pipes is generally adopted for installation and fixation, and because the threaded rods are arranged at different positions, the installation is required one by one, so that the operation is complex, the installation is time-consuming and labor-consuming, and because the installation is not synchronous, the installation progress is not uniform, large installation deviation is easy to occur, and the installation and fixation effects and the sealing effects are not ideal.
Disclosure of Invention
The utility model aims to solve the defects existing in the prior art, such as: when the existing long water gap sealing structure is used, when the lower water gap is fixedly connected with the wrist, the threaded connection between the threaded rods and the threaded pipes is generally adopted for installation and fixation, and because the threaded rods are arranged at different positions, the installation is required one by one, so that the operation is complex, the installation is time-consuming and labor-consuming, and because the installation is not synchronous, the installation progress is not uniform, large installation deviation is easy to occur, and the installation and fixation effects and the sealing effects are not ideal.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a long mouth of a river seal structure, includes wrist and lower mouth of a river, lower mouth of a river is located the wrist, fixedly connected with solid fixed ring on the lateral wall of lower mouth of a river, a lateral wall that the wrist is close to solid fixed ring and gu fixed ring are all equipped with the draw-in groove on the lateral wall that gu fixed ring is close to the wrist, symmetry fixedly connected with a plurality of first threaded rods on the inside wall of draw-in groove of wrist, symmetry fixedly connected with a plurality of second threaded rods on the inside wall of gu fixed ring's draw-in groove, two be equipped with the retainer plate between the draw-in groove, rotate on the inner ring lateral wall of retainer plate and be connected with the adapter plate, be equipped with interior tooth's socket on the inner ring lateral wall of retainer plate, be equipped with the empty slot in the adapter plate, empty slot internal rotation is connected with screwed pipe and gear, gear fixedly connected on the lateral wall of screwed pipe, the both ends of screwed pipe respectively with first threaded rod and second threaded rod, the one end of gear stretches out the gear and is located interior tooth's socket meshing connection, be equipped with pre-positioning device between wrist and the retainer plate.
Preferably, a side wall of the wrist portion, which is close to the fastening ring, and a side wall of the fixing ring, which is close to the fastening ring, are fixedly connected with sealing rings, the sealing rings are arranged in an annular mode, the sections of the sealing rings are arranged in a conical mode, and two sealing grooves which are matched with the sealing rings are symmetrically arranged on the outer side wall of the fastening ring.
Preferably, a plurality of slots are arranged on the outer side wall of the fastening ring, and the slots are arranged at equal intervals.
Preferably, the threads on the first threaded rod and the second threaded rod are oppositely arranged in the screwing direction, and threads with opposite screwing directions, of which the two ends correspond to the first threaded rod and the second threaded rod respectively, are arranged on the inner side wall of the threaded pipe.
Preferably, the pre-positioning device comprises a plurality of positioning grooves, the positioning grooves are symmetrically arranged on one side wall of the wrist close to the fixing ring, a positioning column is fixedly connected to one side wall of the fixing ring close to the wrist, the positioning column is slidably connected in the positioning grooves, and an auxiliary fixing device is arranged in the positioning grooves.
Preferably, the auxiliary fixing device comprises a chute arranged on the inner side wall of the positioning groove, a sliding block is connected in the chute in a sliding manner, a spring is fixedly connected between one side wall of the sliding block and the inner side wall of the chute, one end of the sliding block, which is close to the positioning groove, is arranged in a conical manner, one side wall of the bottom end of the positioning column is arranged in an inclined manner which is matched with the sliding block, and a limiting groove which is matched with the conical end of the sliding block is formed in the positioning column.
The beneficial effects of the utility model are as follows:
1. the fixed connection between the wrist and the sewer outlet is completed by means of the fixed ring, only the fastening ring is required to be rotated, the threaded connection between the first threaded rods, the second threaded rods and the threaded pipes can be simultaneously carried out, the wrist and the fixed ring are driven to be close to each other until the fastening ring and the switching ring are firmly clamped and fixed between the clamping grooves of the wrist and the fixed ring, the installation progress is uniform, the offset error is small, and the final installation fixing and sealing effects are good.
2. When the installation between wrist, solid fixed ring and the retainer plate is fixed, the reference column also gets into the constant head tank completely this moment, and the slider is ejecting under the elasticity effect of spring, just the joint in the spacing groove on the reference column, carries out spacing fixed to the reference column, further promotes the stability of installation between wrist and the solid fixed ring.
Drawings
FIG. 1 is a schematic view of the internal structure of a long nozzle seal structure according to the present utility model in a state before installation is completed;
FIG. 2 is an enlarged view of the structure A of FIG. 1;
FIG. 3 is a schematic view of the internal structure of the long nozzle sealing structure according to the present utility model after the installation;
FIG. 4 is an enlarged view of the B structure of FIG. 3;
FIG. 5 is a schematic structural view of a fastening ring and an adapter ring of a long nozzle sealing structure according to the present utility model;
fig. 6 is a schematic diagram of the internal structure of the fastening ring and the adapter ring of the long nozzle sealing structure according to the present utility model.
In the figure: 1 wrist, 2 water outlet, 3 solid fixed ring, 4 first threaded rod, 5 second threaded rod, 6 tight circle, 7 adapter ring, 8 internal tooth groove, 9 screwed pipe, 10 gear, 11 sealing washer, 12 slot, 13 constant head tank, 14 reference column, 15 slider, 16 spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-6, a long nozzle sealing structure comprises a wrist 1 and a sewer nozzle 2, wherein the sewer nozzle 2 is positioned on the wrist 1, a fixed ring 3 is fixedly connected to the outer side wall of the sewer nozzle 2, a side wall of the wrist 1, which is close to the fixed ring 3, and a side wall of the fixed ring 3, which is close to the wrist 1, are respectively provided with clamping grooves, a plurality of first threaded rods 4 are symmetrically and fixedly connected to the inner side wall of the clamping groove of the wrist 1, and a plurality of second threaded rods 5 are symmetrically and fixedly connected to the inner side wall of the clamping groove of the fixed ring 3.
Be equipped with clamping ring 6 between two draw-in grooves, it is connected with adapter ring 7 to rotate on the inner ring lateral wall of clamping ring 6, be equipped with interior tooth's socket 8 on the inner ring lateral wall of clamping ring 6, be equipped with the empty slot in the adapter ring 7, the empty slot internal rotation is connected with screwed pipe 9 and gear 10, gear 10 fixed connection is on the lateral wall of screwed pipe 9, screwed pipe 9's both ends respectively with first threaded rod 4 and second threaded rod 5 threaded connection, the screw thread on first threaded rod 4 and the second threaded rod 5 is the opposite setting of turning, be equipped with the screw thread that both ends and first threaded rod 4 and second threaded rod 5 correspond respectively on the inside wall of screwed pipe 9 turn to opposite screw thread.
One end of the gear 10 extends out of the gear 10 and is positioned in the inner tooth groove 8, the gear 10 is connected with the inner tooth groove 8 in a meshed mode, a side wall of the wrist portion 1, which is close to the fastening ring 6, and a side wall of the fixing ring 3, which is close to the fastening ring 6, are fixedly connected with a sealing ring 11, the sealing ring 11 is in an annular arrangement, the cross section of the sealing ring 11 is in a conical arrangement, two sealing grooves which are matched with the sealing ring 11 are symmetrically arranged on the outer side wall of the fastening ring 6, a plurality of slots 12 are formed in the outer side wall of the fastening ring 6, and the slots 12 are arranged at equal intervals.
The wrist 1 and the fixed ring 3 are provided with a pre-positioning device, the pre-positioning device comprises a plurality of positioning grooves 13, the positioning grooves 13 are symmetrically arranged on one side wall of the wrist 1, which is close to the fixed ring 3, a positioning column 14 is fixedly connected to one side wall of the fixed ring 3, which is close to the wrist 1, the positioning column 14 is slidably connected to the positioning groove 13, an auxiliary fixing device is arranged in the positioning groove 13, the auxiliary fixing device comprises a sliding groove arranged on the inner side wall of the positioning groove 13, a sliding block 15 is slidably connected to the sliding groove, a spring 16 is fixedly connected between one side wall of the sliding block 15 and the inner side wall of the sliding groove, one end of the sliding block 15, which is close to the positioning groove 13, is arranged in a conical shape, one side wall of the bottom end of the positioning column 14 is inclined with the sliding block 15, and a limiting groove matched with the conical end of the sliding block 15 is arranged on the positioning column 14.
In the present utility model, when the connection between the wrist 1 and the sewer outlet 2 is fixed, the fastening ring 6 is firstly placed on the wrist 1, then one end of the first threaded rod 4 is aligned with and inserted into one end of the threaded tube 9, so that the adapter ring 7 is supported by the first threaded rod 4, and the rotation of the adapter ring 7 is limited, in order to facilitate that one end of the first threaded rod 4 and one end of the second threaded rod 5 can be inserted into one part of the threaded tube 9 under the condition of non-threaded connection so as to form support and limit for the adapter ring 7, therefore, the outer side wall of one end of the first threaded rod 4 far from the wrist 1 and one end of the second threaded rod 5 far from the fixed ring 3 is smooth, and no threads are arranged;
then the lower nozzle 2 is aligned with the wrist 1 and put down, a positioning column 14 on the fixed ring 3 is aligned with a positioning groove 13 on the wrist 1 and inserted, the limiting effect of the positioning groove 13 on the positioning column 14 is utilized to form the limiting and guiding of the subsequent installation and fixation between the wrist 1 and the lower nozzle 2, the deviation in the subsequent installation process is prevented, after the lower nozzle 2 is put down, the smooth end of the second threaded rod 5 is inserted into the threaded pipe 9 at the moment, then the fastening ring 6 can be rotated, and the rotation of the switching ring 7 is limited because the first threaded rod 4 and the second threaded rod 5 form the limiting effect on the switching ring 7 through the threaded pipe 9 and the gear 10;
therefore, when the fastening ring 6 is rotated, the inner tooth grooves 8 in the fastening ring 6 drive the gears 10 to rotate together through the meshing connection effect, the gears 10 drive the threaded pipe 9 to rotate, so that the threaded connection between the threaded pipe 9 and the first threaded rod 4 and the threaded pipe 5 is simultaneously carried out, the wrist 1 and the fixed ring 3 are driven to be close to each other until the fastening ring 6 is firmly clamped and fixed between clamping grooves on the wrist 1 and the fixed ring 3, the sealing ring 11 can obviously improve the tightness of the connection between the wrist 1, the fixed ring 3 and the fastening ring 6, the fixed connection between the wrist 1 and the sewer outlet 2 is completed through the fixed ring 3, and because the threaded connection between the first threaded rod 4, the second threaded rod 5 and the threaded pipe 9 is simultaneously carried out, the installation progress is uniform, the offset error is small, and the final installation fixing and sealing effects are good;
when the installation fixation among the wrist 1, the fixed ring 3 and the fastening ring 6 is completed, the positioning column 14 completely enters the positioning groove 13 at the moment, the sliding block 15 is ejected out under the elastic force of the spring 16, and is just clamped in the limiting groove on the positioning column 14, so that the limiting fixation of the positioning column 14 is performed, and the stability of the installation fixation between the wrist 1 and the fixed ring 3 is further improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a long mouth of a river seal structure, includes wrist (1) and lower mouth of a river (2), its characterized in that, lower mouth of a river (2) are located wrist (1), fixedly connected with solid fixed ring (3) on the lateral wall of lower mouth of a river (2), a lateral wall that wrist (1) is close to solid fixed ring (3) and gu fixed ring (3) all are equipped with the draw-in groove on a lateral wall that wrist (1) is close to, symmetry fixedly connected with a plurality of first threaded rods (4) on the inside wall of draw-in groove of wrist (1), symmetry fixedly connected with a plurality of second threaded rods (5) on the inside wall of draw-in groove of solid fixed ring (3), two be equipped with clamping ring (6) between the draw-in groove, rotate on the inner ring lateral wall of clamping ring (6) and be connected with adapter ring (7), be equipped with interior tooth socket (8) on the inner ring lateral wall of adapter ring (7), the indent internal rotation is connected with screwed pipe (9) and gear (10), symmetrical fixedly connected with a plurality of first threaded rods (4) on the inside wall of draw-in groove (9) of gear (10) on the inside wall of draw-in groove (9) and two threaded rod (10) and one end (10) are stretched out respectively, a pre-positioning device is arranged between the wrist part (1) and the fixed ring (3).
2. The long nozzle sealing structure according to claim 1, wherein a side wall of the wrist portion (1) close to the fastening ring (6) and a side wall of the fixing ring (3) close to the fastening ring (6) are fixedly connected with sealing rings (11), the sealing rings (11) are in annular arrangement, the cross section of each sealing ring (11) is in conical arrangement, and two sealing grooves which are matched with the sealing rings (11) are symmetrically arranged on the outer side wall of the fastening ring (6).
3. A long nozzle sealing structure according to claim 1, wherein a plurality of slots (12) are provided on the outer side wall of the fastening ring (6), and a plurality of the slots (12) are arranged at equal intervals.
4. The long nozzle sealing structure according to claim 1, wherein threads on the first threaded rod (4) and threads on the second threaded rod (5) are oppositely arranged in rotation, and threads with opposite rotation directions, of which two ends correspond to the first threaded rod (4) and the second threaded rod (5), are arranged on the inner side wall of the threaded pipe (9).
5. A long nozzle sealing structure according to claim 1, wherein the pre-positioning device comprises a plurality of positioning grooves (13), the positioning grooves (13) are symmetrically arranged on a side wall of the wrist (1) close to the fixed ring (3), a positioning column (14) is fixedly connected to a side wall of the fixed ring (3) close to the wrist (1), the positioning column (14) is slidably connected in the positioning grooves (13), and an auxiliary fixing device is arranged in the positioning grooves (13).
6. The long nozzle sealing structure according to claim 5, wherein the auxiliary fixing device comprises a sliding groove arranged on the inner side wall of the positioning groove (13), a sliding block (15) is connected in the sliding groove in a sliding manner, a spring (16) is fixedly connected between one side wall of the sliding block (15) and the inner side wall of the sliding groove, one end of the sliding block (15) close to the positioning groove (13) is in a conical shape, one side wall of the bottom end of the positioning column (14) is in an inclined shape matched with the sliding block (15), and a limiting groove matched with the conical end of the sliding block (15) is arranged on the positioning column (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223562650.4U CN219112889U (en) | 2022-12-30 | 2022-12-30 | Long water gap sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223562650.4U CN219112889U (en) | 2022-12-30 | 2022-12-30 | Long water gap sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219112889U true CN219112889U (en) | 2023-06-02 |
Family
ID=86534622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223562650.4U Active CN219112889U (en) | 2022-12-30 | 2022-12-30 | Long water gap sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219112889U (en) |
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2022
- 2022-12-30 CN CN202223562650.4U patent/CN219112889U/en active Active
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