CN211486334U - Prevent indoor fire hydrant of excessively screwing - Google Patents
Prevent indoor fire hydrant of excessively screwing Download PDFInfo
- Publication number
- CN211486334U CN211486334U CN201922202330.XU CN201922202330U CN211486334U CN 211486334 U CN211486334 U CN 211486334U CN 201922202330 U CN201922202330 U CN 201922202330U CN 211486334 U CN211486334 U CN 211486334U
- Authority
- CN
- China
- Prior art keywords
- valve rod
- rotating
- fire hydrant
- indoor fire
- limiting block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000002265 prevention Effects 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
An indoor fire hydrant capable of preventing over-screwing structurally comprises a hydrant body, an over-screwing prevention device and a rotating handle, wherein the over-screwing prevention device is arranged at the upper end of the hydrant body, the rotating handle is arranged at the upper end of the over-screwing prevention device, the over-screwing prevention device comprises an upper valve rod, a rotating groove, a rotating limiting block, a positioning sleeve, a screw rod, a lower valve rod, an internal thread groove and a rotating limiting ring, the rotating groove is arranged at the outer side of the upper valve rod, the rotating limiting block is arranged at the inner side of the positioning sleeve, the positioning sleeve is matched with the rotating groove through the rotating limiting block, the upper and lower moving distances of the upper valve rod are limited through the rotating limiting block, the screw rod is arranged at the lower end of the upper valve rod, the bottom of the screw rod, when the indoor fire hydrant is used, the upper valve rod is in an idle state after the indoor fire hydrant is turned off, so that the indoor fire hydrant is effectively prevented from being excessively screwed, and the next opening work of the indoor fire hydrant is influenced.
Description
Technical Field
The utility model relates to a prevent indoor fire hydrant of excessively screwing belongs to indoor fire hydrant field.
Background
The indoor fire hydrant belongs to a fire-fighting tool, and when the existing indoor fire hydrant is closed after being used, the existing indoor fire hydrant is easily screwed tightly due to excessive force, so that a user is difficult to open the indoor fire hydrant when the indoor fire hydrant is used next time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prevent indoor fire hydrant of excessively screwing to solve current indoor fire hydrant and when finishing using and closing it, screw because of excessive power easily, and when leading to using next time, the user is difficult to the problem of opening indoor fire hydrant.
In order to achieve the above purpose, the present invention is realized by the following technical solution: an indoor fire hydrant capable of preventing over-screwing structurally comprises a hydrant body, an over-screwing prevention device and a rotating handle, wherein the over-screwing prevention device is arranged at the upper end of the hydrant body, the rotating handle is arranged at the upper end of the over-screwing prevention device, the over-screwing prevention device comprises an upper valve rod, a rotating groove, a rotating limiting block, a positioning sleeve, a screw rod, a lower valve rod, an internal thread groove and a rotating limiting ring, the rotating groove is formed in the outer side of the upper valve rod, the rotating limiting block is arranged on the inner side of the positioning sleeve, the positioning sleeve is matched with the rotating groove through the rotating limiting block, the rotating limiting block limits the vertical moving distance of the upper valve rod, the screw rod is arranged at the lower end of the upper valve rod, the bottom of the screw rod is of a conical structure, one end of the lower valve rod is embedded into the bottom of the positioning sleeve, the other end of the lower valve rod is, the screw is in threaded connection with the internal thread groove, and the bottom of the internal thread groove is provided with a conical groove corresponding to the conical structure at the bottom of the screw.
Furthermore, the locating sleeve is fixedly arranged at the upper end of the bolt body.
Further, the upper valve rod is rotated clockwise, and the screw rod on the upper valve rod is screwed into the inner thread groove.
Furthermore, the lower valve rod is matched into the hydrant body and connected with a valve ball or a valve clack structure of the indoor fire hydrant.
The utility model has the advantages that: adopt the valve rod separation preparation to restrict the removal of upper valve rod through the position sleeve, finish when indoor fire hydrant uses, the gyration is closed indoor fire hydrant back, and the upper valve rod is in idle running state, and the effectual excessive screwing that prevents causes the influence to next indoor fire hydrant opening work.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of an indoor fire hydrant for preventing over-tightening according to the present invention;
fig. 2 is a schematic sectional view of an excessive tightening prevention device according to the present invention.
In the figure: the bolt comprises a bolt body-1, an excessive screwing prevention device-2, a rotating handle-3, an upper valve rod-201, a rotating groove-202, a rotating limiting block-203, a positioning sleeve-204, a screw rod-205, a lower valve rod-206, an internal thread groove-207 and a rotating limiting ring-208.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1 and 2, the present invention provides a technical solution for preventing an indoor fire hydrant from being excessively tightened: the structure of the bolt comprises a bolt body 1, an excessive screwing prevention device 2 and a rotating handle 3, wherein the excessive screwing prevention device 2 is arranged at the upper end of the bolt body 1, the rotating handle 3 is arranged at the upper end of the excessive screwing prevention device 2, the excessive screwing prevention device 2 comprises an upper valve rod 201, a rotating groove 202, a rotating limiting block 203, a positioning sleeve 204, a screw 205, a lower valve rod 206, an internal thread groove 207 and a rotating limiting ring 208, the rotating groove 202 is arranged at the outer side of the upper valve rod 201, the rotating limiting block 203 is arranged at the inner side of the positioning sleeve 204, the positioning sleeve 204 is matched with the rotating groove 202 through the rotating limiting block 203, the rotating limiting block 203 limits the vertical movement distance of the upper valve rod 201, the screw 205 is arranged at the lower end of the upper valve rod 201, the bottom of the screw 205 is in a conical structure, one end of the lower valve rod 206 is embedded into the bottom of the positioning sleeve 204, the other end of, when the rotation limiting block 203 contacts with the bottom of the rotation groove 202, the screw 205 is in threaded connection with the internal thread groove 207, the bottom of the internal thread groove 207 is provided with a conical groove corresponding to the conical structure at the bottom of the screw 205, the positioning sleeve 204 is fixedly arranged at the upper end of the hydrant body 1, the upper valve rod 201 is rotated clockwise, the screw 205 on the upper valve rod 201 is screwed into the internal thread groove 207, and the lower valve rod 206 is matched into the hydrant body 1 and is connected with a valve ball or a valve clack structure of the indoor fire hydrant.
For example, when the fire hydrant is used, the rotating handle 3 is rotated clockwise, so that the rotating handle 3 drives the upper valve rod 201 to rotate, the upper valve rod 201 drives the screw rod 205, the screw rod 205 is screwed into the internal thread groove 207, when the conical structure at the bottom of the screw rod 205 is matched with the conical groove at the bottom of the internal thread groove 207, the rotation limiting block 203 of the positioning sleeve 204 is in a contact state with the top end of the rotating groove 202 at this time, the upper valve rod 201 locks the lower valve rod 206, the lower valve rod 206 is driven to rotate by the upper valve rod 201, the indoor fire hydrant is opened by the rotation of the lower valve rod 206, after the fire hydrant is used, the rotating handle 3 is rotated counterclockwise, the upper valve rod 201 drives the screw rod 205 to be screwed out of the internal thread groove 207, when the rotation limiting block 203 of the positioning sleeve 204 is in contact with the bottom end of the rotating groove 202, the screw rod 205 is released from a threaded connection relationship with the internal, and affects the next indoor fire hydrant opening operation.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The utility model provides an indoor fire hydrant of preventing excessive screw which characterized in that: the bolt comprises a bolt body (1), an excessive screwing prevention device (2) and a rotating handle (3), wherein the excessive screwing prevention device (2) is arranged at the upper end of the bolt body (1), the rotating handle (3) is arranged at the upper end of the excessive screwing prevention device (2), the excessive screwing prevention device (2) comprises an upper valve rod (201), a rotating groove (202), a rotating limiting block (203), a positioning sleeve (204), a screw rod (205), a lower valve rod (206), an internal thread groove (207) and a rotating limiting ring (208), the rotating groove (202) is arranged at the outer side of the upper valve rod (201), the rotating limiting block (203) is arranged at the inner side of the positioning sleeve (204), the positioning sleeve (204) is matched with the rotating groove (202) through the rotating limiting block (203), the rotating limiting block (203) limits the vertical moving distance of the upper valve rod (201), the screw rod (205) is arranged at the lower end of the, the bottom of the screw rod (205) is of a conical structure, one end of the lower valve rod (206) is embedded into the bottom of the positioning sleeve (204), the other end of the lower valve rod is matched into the bolt body (1), an inner thread groove (207) in threaded connection with the screw rod (205) is formed in the lower valve rod (206), when the rotating limiting block (203) is in contact with the bottom of the rotating groove (202), the screw rod (205) is in threaded connection with the inner thread groove (207) in a releasing mode, and a conical groove corresponding to the conical structure at the bottom of the screw rod (205) is formed in the bottom of the inner thread groove (207).
2. An over-torqued resistant indoor fire hydrant according to claim 1 in which: the positioning sleeve (204) is fixedly arranged at the upper end of the bolt body (1).
3. An over-torqued resistant indoor fire hydrant according to claim 1 in which: the upper valve rod (201) is rotated clockwise, and a screw rod (205) on the upper valve rod (201) is screwed into the inner thread groove (207).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922202330.XU CN211486334U (en) | 2019-12-10 | 2019-12-10 | Prevent indoor fire hydrant of excessively screwing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922202330.XU CN211486334U (en) | 2019-12-10 | 2019-12-10 | Prevent indoor fire hydrant of excessively screwing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211486334U true CN211486334U (en) | 2020-09-15 |
Family
ID=72414659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922202330.XU Expired - Fee Related CN211486334U (en) | 2019-12-10 | 2019-12-10 | Prevent indoor fire hydrant of excessively screwing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211486334U (en) |
-
2019
- 2019-12-10 CN CN201922202330.XU patent/CN211486334U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |