CN211461856U - Thread-fixed fire-retardant core - Google Patents
Thread-fixed fire-retardant core Download PDFInfo
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- CN211461856U CN211461856U CN201922288705.9U CN201922288705U CN211461856U CN 211461856 U CN211461856 U CN 211461856U CN 201922288705 U CN201922288705 U CN 201922288705U CN 211461856 U CN211461856 U CN 211461856U
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Abstract
The utility model discloses a thread-fixed fire-retardant core in the technical field of fire-retardant cores, which comprises a fire-retardant net cylinder, wherein the fire-retardant net cylinder is arranged on the outer wall of a shaft sleeve, a bolt is arranged in the shaft sleeve, a steel ring is arranged on the outer wall of the fire-retardant net cylinder, an external thread sleeve is arranged on the outer wall of the steel ring, an external thread is arranged on the outer wall of the external thread sleeve, the height of the external thread sleeve is greater than that of the fire-retardant net cylinder, the top parts of the two sides of the inner wall of the external thread sleeve are both connected with a fixed frame, the middle end of the top part of the fixed frame is provided with an installation rod, the top end of the installation rod is provided with a knob, and the gas is convenient to be filtered by arranging filter screens at the top part and the bottom part of the fire-retardant net cylinder, thereby preventing the fire-retardant, the function of guiding the pull rod is achieved, and the pull rod is convenient to pull.
Description
Technical Field
The utility model relates to a back-fire relief core technical field specifically is a thread tightening back-fire relief core.
Background
The flame arrester is the safety device that is used for stopping the flame spread of inflammable gas and flammable liquid steam, and the back-fire relief core is direct bonding usually on the inner wall of flame arrester, and this kind of connected mode is firm inadequately, is not hard up easily after being strikeed by gas, and gaseous in the in-process of transporting for a long time in addition, fixed granule in the gas when back-fire relief core, blocks up the inside passage of back-fire relief core easily, leads to influencing the back-fire relief work of back-fire relief core, for this reason, we propose a thread tightening back-fire relief core.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a thread tightening back-fire relief core to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a thread fixing back-fire relief core, includes back-fire relief net section of thick bamboo, back-fire relief net section of thick bamboo is installed on the outer wall of axle sleeve, the inside of axle sleeve is provided with the bolt, be provided with the steel ring on back-fire relief net section of thick bamboo's the outer wall, be provided with the external screw thread cover on the outer wall of steel ring, the external screw thread cover highly be greater than back-fire relief net section of thick bamboo's height, the top of external screw thread cover inner wall both sides all is connected with the mount, the top middle-end of mount is provided with the installation pole, the top of installation pole is provided with the knob, the equal swing joint in top and the bottom of back-fire relief net section of thick bamboo has the filter screen, and the middle-end of filter screen be.
Preferably, fixing device is including setting up the recess on external thread cover top outer wall, the inside of recess transversely is provided with the guide frame, the activity is provided with the pull rod on the inner wall of guide frame, the bottom of pull rod is connected on the outer wall of gag lever post, the right-hand member of gag lever post is provided with reset spring, reset spring's right-hand member is connected on the inner wall of recess, the left end of gag lever post runs through external thread cover plug-in on the outer wall of filter screen.
Preferably, the top end of the pull rod extends to the upper part of the external thread sleeve, and the outer wall of the filter screen is provided with a slot matched with the limiting rod.
Preferably, the fixing frame is of a cross structure, four groups of right angles of the fixing frame are provided with reinforcing plates, and the reinforcing plates are of a triangular structure.
Preferably, the inside of direction frame transversely is provided with the bar and leads to the groove, and the inner wall and the pull rod sliding connection that the bar led to the groove.
Preferably, the bottom both sides of knob all the slope be provided with the support column, and the bottom of support column all connects on the outer wall of installation pole.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the external thread sleeve is arranged, and the external thread is arranged on the outer wall of the external thread sleeve, so that the fire retardant core can be fixed in the fire retardant device in a thread fixing mode, the connection is firm, the looseness is not easy to occur, the external thread sleeve is convenient to rotate by arranging the knob, the mounting rod and the cross-shaped fixing frame, the fire retardant core is convenient to mount in the fire retardant device, the operation is simple, and the use is convenient;
2. the filter screens are arranged at the top and the bottom of the fire-retardant screen cylinder, so that gas can be conveniently filtered, fixed particles in the gas can be prevented from blocking the fire-retardant screen cylinder, fire-retardant work of the fire-retardant core is guaranteed, the pull rod is pulled towards one end far away from the filter screen to drive the limiting rod to move, the reset spring is compressed, and the limiting rod is further moved out of the filter screen, so that the filter screen is conveniently taken down and cleaned, the filtering effect of the filter screen is guaranteed, and the limiting rod is moved to be inserted into the filter screen through the restoring force of the reset spring, so that the filter screen is also convenient to install;
3. through being provided with the guide frame, played the effect to the pull rod direction, be convenient for pull the pull rod.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the fixing device of the present invention;
fig. 4 is a schematic top view of the fixing device of the present invention.
In the figure: 1. a fire retarding mesh cylinder; 2. a shaft sleeve; 3. a bolt; 4. steel rings; 5. an external thread sleeve; 6. an external thread; 7. a fixed mount; 8. mounting a rod; 9. a knob; 10. a filter screen; 11. a fixing device; 111. a groove; 112. a guide frame; 113. a pull rod; 114. a limiting rod; 115. a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a technical scheme: a thread-fixed fire-retardant core, please refer to figures 1 and 2, comprising a fire-retardant net barrel 1, the fire-retardant net barrel 1 is made by winding a corrugated plate, the fire-retardant net barrel 1 is installed on the outer wall of a shaft sleeve 2, a bolt 3 is arranged inside the shaft sleeve 2, a steel ring 4 is arranged on the outer wall of the fire-retardant net barrel 1, an external thread sleeve 5 is arranged on the outer wall of the steel ring 4, an external thread 6 is arranged on the outer wall of the external thread sleeve 5, an internal thread matched with the external thread 6 is arranged inside a fire arrester, the height of the external thread sleeve 5 is larger than that of the fire-retardant net barrel 1, the tops of two sides of the inner wall of the external thread sleeve 5 are both connected with a fixed frame 7, a mounting rod 8 is arranged at the middle end of the top of the fixed frame 7, a knob 9 is arranged at the top end of the mounting rod 8, the knob 9 is rotated to drive the fixed, the fire retardant core can be fixed in the fire retardant device in a threaded fixing mode, and is firmly connected and not easy to loosen;
please refer to fig. 1, the equal swing joint in top and the bottom of back-fire relief net section of thick bamboo 1 has filter screen 10, is convenient for filter gas, thereby can avoid the fixed granule in the gas to block up back-fire relief net section of thick bamboo 1, has guaranteed the back-fire relief work of back-fire relief core, and the filtration pore diameter of crossing on the filter screen 10 can change according to actual conditions, and the middle-end of filter screen 10 be provided with bolt 3 assorted through-hole for bolt 3 passes through, and the both ends of filter screen 10 all are provided with fixing device 11 for fix filter screen 10.
Referring to fig. 3, the fixing device 11 includes a groove 111 disposed on the outer wall of the top of the external thread sleeve 5, a guide frame 112 is transversely disposed inside the groove 111 to play a role in guiding, a pull rod 113 is movably disposed on the inner wall of the guide frame 112, the bottom end of the pull rod 113 is connected to the outer wall of the limit rod 114, a return spring 115 is disposed at the right end of the limit rod 114, the right end of the return spring 115 is connected to the inner wall of the groove 111, the left end of the limit rod 114 penetrates through the external thread sleeve 5 and is inserted into the outer wall of the filter screen 10 to fix the filter screen 10, the pull rod 113 is pulled to one end away from the filter screen 10 to drive the limit rod 114 to move, and compress the return spring 115, so that the limit rod 114 is moved out of the filter screen 10, thereby facilitating the removal and cleaning of the filter screen 10 and ensuring the;
referring to fig. 3, the top end of the pull rod 113 extends to the upper side of the external thread sleeve 5, so that the pull rod 113 can be pulled conveniently, and the outer wall of the filter screen 10 is provided with a slot matched with the limit rod 114 for fixing the filter screen 10;
referring to fig. 2, the fixing frame 7 is a cross structure, four groups of right angles of the fixing frame 7 are provided with reinforcing plates, and the reinforcing plates are triangular structures, so that the mechanical strength of the fixing frame 7 is improved, the fixing frame 7 is more stable, and the external thread sleeve 5 is convenient to rotate;
referring to fig. 3 and 4, a strip-shaped through groove is transversely formed in the guide frame 112, and the inner wall of the strip-shaped through groove is slidably connected with the pull rod 113, so that the pull rod 113 is guided, and the pull rod 113 is conveniently pulled to transversely move;
referring to fig. 1, the two sides of the bottom of the knob 9 are both provided with the support columns in an inclined manner, and the bottom ends of the support columns are both connected to the outer wall of the mounting rod 8, so that the connection strength between the knob 9 and the mounting rod 8 is improved.
The working principle is as follows: when in use, the knob 9 is rotated to drive the fixing frame 7 at the bottom of the mounting rod 8 to rotate, and further the external thread sleeve 5 is rotated, so that the external thread 6 is matched with the internal thread on the inner wall of the flame arrester, the flame retardant core can be fixed inside the flame arrester in a thread fixing mode, the connection is firm, the looseness is not easy, gas is convenient to filter in the transportation process, the gas can be prevented from being blocked by fixed particles in the gas through the filter screen 10, the flame retardant operation of the flame retardant core is ensured, the pull rod 113 is pulled towards one end far away from the filter screen 10 to transversely move in the guide frame 112, the limit rod 114 is driven to move, the reset spring 115 is compressed, the limit rod 114 is further moved out from the filter screen 10, the filter screen 10 is convenient to be taken down for cleaning, and the filtering effect of the filter screen 10 is ensured, and the limit rod is moved to be inserted into the filter screen 10 by the restoring force of the return spring 115, which is also convenient for installing the filter screen 10.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a screw fixation back-fire relief core, includes back-fire relief net section of thick bamboo (1), its characterized in that: the fire retardant net barrel (1) is installed on the outer wall of the shaft sleeve (2), a bolt (3) is arranged inside the shaft sleeve (2), a steel ring (4) is arranged on the outer wall of the fire retardant net barrel (1), an external thread sleeve (5) is arranged on the outer wall of the steel ring (4), external threads (6) are arranged on the outer wall of the external thread sleeve (5), the height of the external thread sleeve (5) is greater than that of the fire retardant net barrel (1), the tops of two sides of the inner wall of the external thread sleeve (5) are both connected with a fixing frame (7), an installation rod (8) is arranged at the middle end of the top of the fixing frame (7), a knob (9) is arranged at the top end of the installation rod (8), a filter screen (10) is movably connected to the top and the bottom of the fire retardant net barrel (1), and a through hole matched with the bolt (3) is arranged at the middle end of, and fixing devices (11) are arranged at two ends of the filter screen (10).
2. A thread-fixing fire retardant core as defined in claim 1, wherein: fixing device (11) is including setting up recess (111) on external thread cover (5) top outer wall, the inside of recess (111) transversely is provided with guide frame (112), the activity is provided with pull rod (113) on the inner wall of guide frame (112), the bottom of pull rod (113) is connected on the outer wall of gag lever post (114), the right-hand member of gag lever post (114) is provided with reset spring (115), reset spring (115)'s right-hand member is connected on the inner wall of recess (111), the left end of gag lever post (114) runs through external screw thread cover (5) and pegs graft on the outer wall of filter screen (10).
3. A thread-fixing fire retardant core as defined in claim 2, wherein: the top end of the pull rod (113) extends to the upper part of the external thread sleeve (5), and the outer wall of the filter screen (10) is provided with a slot matched with the limiting rod (114).
4. A thread-fixing fire retardant core as defined in claim 1, wherein: the fixing frame (7) is of a cross structure, reinforcing plates are arranged at four groups of right angles of the fixing frame (7), and the reinforcing plates are of a triangular structure.
5. A thread-fixing fire retardant core as defined in claim 2, wherein: the inside of guide frame (112) transversely is provided with the bar and leads to the groove, and the inner wall that just bar led to the groove and pull rod (113) sliding connection.
6. A thread-fixing fire retardant core as defined in claim 1, wherein: the bottom both sides of knob (9) all incline to be provided with the support column, and the bottom of support column all connects on the outer wall of installation pole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288705.9U CN211461856U (en) | 2019-12-19 | 2019-12-19 | Thread-fixed fire-retardant core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288705.9U CN211461856U (en) | 2019-12-19 | 2019-12-19 | Thread-fixed fire-retardant core |
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| Publication Number | Publication Date |
|---|---|
| CN211461856U true CN211461856U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922288705.9U Active CN211461856U (en) | 2019-12-19 | 2019-12-19 | Thread-fixed fire-retardant core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750408A (en) * | 2021-09-18 | 2021-12-07 | 柴小清 | Flame arrester with fluctuation type fire retardant core |
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2019
- 2019-12-19 CN CN201922288705.9U patent/CN211461856U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750408A (en) * | 2021-09-18 | 2021-12-07 | 柴小清 | Flame arrester with fluctuation type fire retardant core |
| CN113750408B (en) * | 2021-09-18 | 2022-06-14 | 浙江上石化机械有限公司 | Flame arrester with fluctuation type fire retardant core |
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