CN204952031U - Swivelling joint subassembly of fire hydrant - Google Patents
Swivelling joint subassembly of fire hydrant Download PDFInfo
- Publication number
- CN204952031U CN204952031U CN201520755191.2U CN201520755191U CN204952031U CN 204952031 U CN204952031 U CN 204952031U CN 201520755191 U CN201520755191 U CN 201520755191U CN 204952031 U CN204952031 U CN 204952031U
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- Prior art keywords
- branch sleeve
- fire hydrant
- ring
- screw thread
- external screw
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Abstract
The utility model relates to a swivelling joint subassembly of fire hydrant, including an outer joint sleeve and an inner connecting sleeve section of thick bamboo, the outside extension of outer wall has an outer loop retaining ring in outer joint sleeve upper end, upper end inner wall correspondence is equipped with an inner ring retaining ring, inner connecting sleeve section of thick bamboo outer wall is equipped with the annular step who is used for forming a circular orbit with the inner ring retaining ring, the last swing roller that is equipped with of circular orbit, the inner connecting sleeve barrel casing is located in the outer joint sleeve, be equipped with the sealing washer between an inner connecting sleeve section of thick bamboo and the outer joint sleeve, outer joint sleeve surface is equipped with and is used for the first external screw thread be connected with the fire hydrant connecting seat, inner connecting sleeve section of thick bamboo surface is equipped with and is used for the second external screw thread be connected with the fire hydrant valve body. The utility model is not only simple in structure, install convenient, fastness and stable strong, be favorable to simplifying the structure and the production technology of fire hydrant connecting seat and valve body moreover.
Description
Technical field
The utility model relates to fire hydrant technical field, more particularly refers to a kind of spin connection component of fire hydrant.
Background technology
Indoor fire hydrant is that pipe network in house is to delivery of water, be with valvular interface, for indoor fixed fire protection system such as factory, warehouse, skyscraper, public building and boats and ships, be usually arranged in fire hydrant box, support the use with the equipment such as fire hose and hydraulic giant.But indoor fire hydrant valve interface cannot rotate freely mostly, limit by the interior space during use, when fire occur in indoor fire hydrant valve interface position inconsistent time, fire hose is often distorted the phenomenons such as knotting, cause water outlet difficulty, have a strong impact on extinguishing effect.
In order to solve the problem, Authorization Notice No. is that the Chinese utility model patent of CN202169034U discloses a kind of rotatable fire hydrant, comprise valve body, Connection Block and handwheel, valve body lower end inner chamber is water inlet, Connection Block upper end is cylinder, the cylinder outer wall of Connection Block tightens engagement sleeves copper sheathing, the water inlet inwall tight fit of valve body is inserted in rotation copper sheathing, copper sheathing inwall is provided with groove and the semicircle groove of band sealing ring, rotate copper sheathing inwall and be provided with semicircle groove, copper sheathing is enclosed within and rotates in copper sheathing, copper sheathing is together with rotating the semicircle groove correspondence of copper sheathing, two semicircle grooves are provided with positioning ball.This utility model rotates on Connection Block although can realize valve body, but fix connection indeed through in two semicircle grooves with positioning ball between valve body and Connection Block, this syndeton fastness and less stable, valve body upwards can depart from relative to Connection Block under the effect of hydraulic pressure, its active force only puts on it positioning ball half, easily cause the rotation copper sheathing on valve body to depart from steel ball, cause potential safety hazard.And this utility model copper sheathing is in order to be sheathed on Connection Block outer wall, and Connection Block upper end then must be provided with a cylinder ladder, thus cause Connection Block complex production process complicated.
Summary of the invention
The utility model provides a kind of spin connection component of fire hydrant, and solved existing fire hydrant spin connection component fastness and poor stability, valve body easily departs from Connection Block thus causes the problems such as potential safety hazard.
The utility model adopts following technical scheme:
A kind of spin connection component of fire hydrant, comprise outer branch sleeve and interior branch sleeve, it is characterized in that: described outer branch sleeve upper end outer wall is outward extended with an outer shroud back-up ring, upper end inwall correspondence is provided with an inner ring back-up ring, described interior branch sleeve outer wall is provided with a ring ladder, this ring ladder coordinates formation one circular orbit with described inner ring back-up ring, described circular orbit is provided with swing roller, described interior branch sleeve is sheathed in described outer branch sleeve, sealing ring is provided with between this interior branch sleeve and outer branch sleeve, described outer branch sleeve outer surface is provided with the first external screw thread for being connected with fire hydrant Connection Block, described interior branch sleeve outer surface is provided with the second external screw thread for being connected with valve body of fire hydrant.
Further, above-mentioned interior branch sleeve inwall is provided with spanner position.
Further, the interior branch sleeve lateral wall below above-mentioned ring ladder is provided with annular seal groove, and above-mentioned sealing ring is located on this annular seal groove.
Further, above-mentioned second external screw thread is located at above above-mentioned ring ladder.
Further, above-mentioned interior branch sleeve external diameter is less than described inner ring back-up ring internal diameter, and described ring ladder external diameter is greater than the internal diameter of described inner ring back-up ring, and is slightly less than described outer branch sleeve internal diameter.
Further, above-mentioned outer branch sleeve and described fire hydrant Connection Block one-body molded, the outer branch sleeve madial wall below above-mentioned inner ring back-up ring is provided with annular seal groove, and above-mentioned sealing ring is located on this annular seal groove.
Further, the interior branch sleeve lateral wall below above-mentioned second external screw thread is provided with the second sealing ring.
From the above-mentioned description to the utility model structure, compared to the prior art, the utility model tool has the following advantages:
1, the utility model swing roller is arranged on the circular orbit that formed with ring ladder top bottom inner ring back-up ring, valve body produces the active force departing from Connection Block and then puts on uniformly on swing roller under the effect of hydraulic pressure, and mutually support stressed by bottom inner ring back-up ring and ring ladder top, it can thus be appreciated that, the utility model fastness and stability strong, guarantee that valve body not easily departs from Connection Block, reduce fire hydrant potential safety hazard.
2, when the utility model is installed, outer branch sleeve is connected with fire hydrant Connection Block by the first external screw thread, outer shroud back-up ring contacts on Connection Block, swing roller, interior branch sleeve are sheathed in outer branch sleeve by stretching into below Connection Block, and the second external screw thread on interior branch sleeve extends to outside outer branch sleeve, and rotated by spanner position or fixing interior branch sleeve, in convenient, branch sleeve is threaded with valve body of fire hydrant by the second external screw thread.It can thus be appreciated that the utility model structure is simply firm, easy for installation, and be conducive to the structure and the production technology that simplify fire hydrant Connection Block and valve body.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment one structural representation;
Fig. 2 is the A-A direction sectional view in Fig. 1;
Fig. 3 is the utility model embodiment one decomposing schematic representation;
Fig. 4 is the B-B direction sectional view in Fig. 3;
Fig. 5 is branch sleeve upward view in the utility model embodiment one;
Fig. 6 is the fire hydrant sectional view of assembling the utility model embodiment one;
Fig. 7 is the utility model embodiment two longitudinal sectional view;
Fig. 8 is the fire hydrant sectional view of assembling the utility model embodiment two.
Detailed description of the invention
The detailed description of the invention of the utility model embodiment one is described with reference to the accompanying drawings.
Referring to figs. 1 through Fig. 4, a kind of spin connection component of fire hydrant, comprise outer branch sleeve 1 and interior branch sleeve 2, wherein, outer branch sleeve 1 upper end outer wall is outward extended with an outer shroud back-up ring 11, upper end inwall correspondence is provided with an inner ring back-up ring 12, and outer branch sleeve 1 outer surface is also provided with the first external screw thread 13 for being connected with fire hydrant Connection Block 3.
With reference to Fig. 2, Fig. 3 and Fig. 5, interior branch sleeve 2 outer wall is provided with a ring ladder 21, this ring ladder 21 coordinates formation one circular orbit with above-mentioned inner ring back-up ring 12, circular orbit is provided with swing roller 5, interior branch sleeve 2 inwall is provided with the spanner position 22 for rotating or fix interior branch sleeve 2, ring ladder 21 is provided with annular seal groove 23, this annular seal groove 23 is provided with sealing ring 6, and interior branch sleeve 2 outer surface above ring ladder 21 is provided with the second external screw thread 24 for being connected with valve body of fire hydrant 4.
With reference to Fig. 1 and Fig. 3, interior branch sleeve 2 external diameter is less than inner ring back-up ring 12 internal diameter, ring ladder 21 external diameter is greater than the internal diameter of inner ring back-up ring 12, and be slightly less than outer branch sleeve 1 interior diameter, interior branch sleeve 2 is sheathed in outer branch sleeve 1, and the second external screw thread 24 on interior branch sleeve 2 extends to outside outer branch sleeve 1.
Referring to figs. 1 through Fig. 6, when the utility model is installed, outer branch sleeve 1 is connected with fire hydrant Connection Block 3 by the first external screw thread 13, outer shroud back-up ring 11 contacts on Connection Block 3, swing roller 5, interior branch sleeve 2 are sheathed in outer branch sleeve 1 by stretching into below Connection Block 3, and the second external screw thread on interior branch sleeve 2 extends to outside outer branch sleeve 1, and rotated by spanner position 22 or fixing interior branch sleeve 2, in convenient, branch sleeve 2 is threaded with valve body of fire hydrant 4 by the second external screw thread 24.Thus, the utility model not only structure is simple, and it is convenient to install, and is conducive to the structure and the production technology that simplify fire hydrant Connection Block 3 and valve body 4.
With reference to Fig. 1 and Fig. 6, the utility model swing roller 5 is arranged on the circular orbit that formed with ring ladder 21 top bottom inner ring back-up ring 12, valve body 4 produces the active force departing from Connection Block 3 and then puts on uniformly on swing roller 5 under the effect of hydraulic pressure, and mutually support stressed by bottom inner ring back-up ring 12 and ring ladder 21 top, it can thus be appreciated that, the utility model fastness and stability by force, guarantee that valve body 4 not easily departs from Connection Block 3, reduce fire hydrant potential safety hazard.
The detailed description of the invention of the utility model embodiment two is described with reference to the accompanying drawings.
With reference to Fig. 7 and Fig. 8, the utility model, embodiment two is much the same with embodiment one architectural feature, therefore not to repeat here, its difference is: outer branch sleeve 1 is one-body molded with fire hydrant Connection Block 3, outer branch sleeve 1 madial wall below inner ring back-up ring 12 is provided with annular seal groove 23, and sealing ring 6 is located on this annular seal groove 23; Interior branch sleeve 2 outer wall ring ladder 21 does not arrange annular seal groove, but interior branch sleeve 2 lateral wall below the second external screw thread 24 is provided with the second sealing ring 25.
Above are only detailed description of the invention of the present utility model, but design concept of the present utility model is not limited thereto, all changes utilizing this design the utility model to be carried out to unsubstantiality, all should belong to the behavior of invading the utility model protection domain.
Claims (7)
1. the spin connection component of a fire hydrant, comprise outer branch sleeve and interior branch sleeve, it is characterized in that: described outer branch sleeve upper end outer wall is outward extended with an outer shroud back-up ring, upper end inwall correspondence is provided with an inner ring back-up ring, described interior branch sleeve outer wall is provided with a ring ladder, this ring ladder coordinates formation one circular orbit with described inner ring back-up ring, described circular orbit is provided with swing roller, described interior branch sleeve is sheathed in described outer branch sleeve, sealing ring is provided with between this interior branch sleeve and outer branch sleeve, described outer branch sleeve outer surface is provided with the first external screw thread for being connected with fire hydrant Connection Block, described interior branch sleeve outer surface is provided with the second external screw thread for being connected with valve body of fire hydrant.
2. the spin connection component of a kind of fire hydrant according to claim 1, is characterized in that: described interior branch sleeve inwall is provided with spanner position.
3. the spin connection component of a kind of fire hydrant according to claim 1, is characterized in that: the interior branch sleeve lateral wall below described ring ladder is provided with annular seal groove, and described sealing ring is located on this annular seal groove.
4. the spin connection component of a kind of fire hydrant according to claim 1, is characterized in that: described second external screw thread is located at above described ring ladder.
5. the spin connection component of a kind of fire hydrant according to claim 1, it is characterized in that: described interior branch sleeve external diameter is less than described inner ring back-up ring internal diameter, described ring ladder external diameter is greater than the internal diameter of described inner ring back-up ring, and is slightly less than described outer branch sleeve internal diameter.
6. the spin connection component of a kind of fire hydrant according to claim 1, it is characterized in that: described outer branch sleeve and described fire hydrant Connection Block one-body molded, outer branch sleeve madial wall below described inner ring back-up ring is provided with annular seal groove, and described sealing ring is located on this annular seal groove.
7. the spin connection component of a kind of fire hydrant according to claim 6, is characterized in that: the interior branch sleeve lateral wall below described second external screw thread is provided with the second sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520755191.2U CN204952031U (en) | 2015-09-28 | 2015-09-28 | Swivelling joint subassembly of fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520755191.2U CN204952031U (en) | 2015-09-28 | 2015-09-28 | Swivelling joint subassembly of fire hydrant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204952031U true CN204952031U (en) | 2016-01-13 |
Family
ID=55047132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520755191.2U Expired - Fee Related CN204952031U (en) | 2015-09-28 | 2015-09-28 | Swivelling joint subassembly of fire hydrant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204952031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323707A (en) * | 2020-11-04 | 2021-02-05 | 任长丽 | Quick water storage device for municipal administration watering lorry |
-
2015
- 2015-09-28 CN CN201520755191.2U patent/CN204952031U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323707A (en) * | 2020-11-04 | 2021-02-05 | 任长丽 | Quick water storage device for municipal administration watering lorry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20190928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |