CN211873176U

CN211873176U - Fire hydrant blank cap

Info

Publication number: CN211873176U
Application number: CN202020192357.5U
Authority: CN
Inventors: 刘军; 毛兰凤
Original assignee: Wuhu Fire Safety Technology Taizhou Co ltd
Current assignee: Wuhu Fire Safety Technology Taizhou Co ltd
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-11-06
Anticipated expiration: 2030-02-21

Abstract

The utility model discloses a fire hydrant stifle, including the fire hydrant, the fixed drain pipe that is equipped with in fire hydrant one side, the drain pipe is kept away from fire hydrant one end threaded connection has the stifle, the fixed cover of stifle outer wall is equipped with first bearing, the fixed arc mounting panel that is equipped with quantity for two of both ends outer wall symmetry about the first bearing, the screw hole has all been seted up at arc mounting panel both ends, the fire hydrant is close to drain pipe one side just is located both ends are all fixed and are equipped with the free bearing about the drain pipe, all fixed being equipped with the fixed axle between the free bearing inner wall, the fixed cover of fixed axle outer wall is equipped with the second bearing, the fixed slide cartridge that is equipped with of. Has the advantages that: the blank cap can be conveniently opened only by means of a professional tool with the convex regular hexagon, so that lawless persons are difficult to open the blank cap, the blank cap cannot be popped when being opened, and the safety of the blank cap when being opened is improved.

Description

Fire hydrant blank cap

Technical Field

The utility model relates to a fire control stifle field particularly, relates to a fire hydrant stifle.

Background

The fire hydrant mainly supplies the fire engine to carry out fire extinguishing from municipal administration water supply pipe network or outdoor fire-fighting water supply pipe network water intaking, when using the fire hydrant, need open the stifle of fire hydrant, and then utilize the water in the fire hydrant to put out a fire, and the stifle of fire hydrant utilizes the screw thread to be connected with the drain pipe of fire hydrant usually, and the connected mode of utilizing the screw thread can open the stifle through holding or centre gripping fixing stifle edge rotation stifle, lead to some lawless persons can open stifle water intaking more easily, the water resource is wasted, and the stifle of traditional structure often can store gas and water that the fire hydrant leaked out in the time of usual use, after a period of time, pressure can be very big in the stifle, when needing to use the fire hydrant and open the stifle, high-pressure gas and water in the stifle can fly the stifle bullet, it is very dangerous.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire hydrant stifle 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: a fire hydrant blank cap comprises a fire hydrant, a drain pipe is fixedly arranged on one side of the fire hydrant, one end of the drain pipe, far away from the fire hydrant, is in threaded connection with a blank cap, the outer wall of the blank cap is fixedly sleeved with a first bearing, the outer walls of the upper end and the lower end of the first bearing are symmetrically and fixedly provided with two arc-shaped mounting plates, threaded holes are formed in both ends of the arc-shaped mounting plate, hinged supports are fixedly arranged at the upper end and the lower end of the fire hydrant, which are close to one side of the drain pipe, a fixed shaft is fixedly arranged between the inner walls of the hinged supports, a second bearing is fixedly sleeved on the outer wall of the fixed shaft, a sliding barrel is fixedly arranged on the outer wall of the second bearing, a sliding rod and a limiting device are arranged in the sliding barrel in a sliding manner, the slide bar is kept away from slide cartridge one end is all fixed through coupling assembling on the arc mounting panel, stifle is kept away from regular hexagon recess has been seted up to drain pipe one end outer wall.

Furthermore, a sealing gasket is fixedly arranged on the inner wall of the blank cap.

Furthermore, stop device includes first spacing ring and second spacing ring, the quantity of first spacing ring is two and all fixes the cover and establish the slide bar stretches into the one end outer wall in the slide cartridge, the second spacing ring is fixed the slide cartridge is kept away from second bearing one end inner wall.

Further, the second bearing is a damping bearing.

Further, coupling assembling includes arc connection piece and bolt, the slide bar is kept away from sliding barrel one end outer wall sets up quantity is two annulars, the arc connection piece erects respectively the annular outer wall just the mounting hole has all been seted up at arc connection piece both ends, the both ends of arc connection piece all through the bolt with arc mounting panel fixed connection just the bolt runs through the mounting hole with screw hole threaded connection.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a set up fire hydrant, drain pipe, stifle, first bearing, slide cartridge, slide bar, second bearing and regular hexagon recess, can let stifle can only just conveniently open with the help of the professional instrument that has protruding regular hexagon to make lawless persons be difficult to open the stifle, and can not fly by the bullet when the stifle is opened, increased the security when the stifle is opened.

(2) The utility model discloses a set up sealed the pad, can increase the leakproofness between stifle and the drain pipe.

(3) The utility model discloses a set up first spacing ring and second spacing ring, can prevent that the slide bar from breaking away from in the slide cartridge.

(4) The utility model discloses a set up the damping bearing, can make the slide cartridge when rotating along the fixed axle, need overcome certain resistance and could rotate, rotate fast and injure the people when preventing stifle from opening.

(5) The utility model discloses a set up arc connection piece and bolt, can fix slide bar detachable on the first bearing of stifle outer wall, can change the stifle after the stifle damages.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a hydrant blank cap according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a drain pipe and a blank cap in a hydrant blank cap according to an embodiment of the present invention;

fig. 3 is a front view of a blank cap in a hydrant blank cap according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a sliding barrel and a sliding rod in a fire hydrant blank cap according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an arc-shaped mounting plate in a hydrant blank cap according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an arc-shaped connecting plate in a fire hydrant blank cap according to an embodiment of the present invention.

Reference numerals:

1. a fire hydrant; 2. a drain pipe; 3. covering the blank with a cover; 4. a first bearing; 5. an arc-shaped mounting plate; 6. a threaded hole; 7. hinging seat; 8. a fixed shaft; 9. a second bearing; 10. a slide cylinder; 11. a slide bar; 12. a ring groove; 13. mounting holes; 14. a regular hexagonal groove; 15. a gasket; 16. a first limit ring; 17. a second stop collar; 18. an arc-shaped connecting sheet; 19. and (4) bolts.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-6, a fire hydrant blank cap according to an embodiment of the present invention includes a fire hydrant 1, a drain pipe 2 is fixedly disposed on one side of the fire hydrant 1, one end of the drain pipe 2 away from the fire hydrant 1 is connected with a blank cap 3 through a screw thread, a first bearing 4 is fixedly sleeved on an outer wall of the blank cap 3, two arc-shaped mounting plates 5 are symmetrically and fixedly disposed on outer walls of upper and lower ends of the first bearing 4, threaded holes 6 are respectively disposed at two ends of the arc-shaped mounting plates 5, a hinge base 7 is fixedly disposed on an upper and lower end of the drain pipe 2 and close to one side of the drain pipe 1, a fixed shaft 8 is fixedly disposed between inner walls of the hinge base 7, a second bearing 9 is fixedly disposed on an outer wall of the fixed shaft 8, a slide cylinder 10 is fixedly disposed on an outer wall of the second bearing 9, a slide rod 11, slide bar 11 keeps away from slide cartridge 10 one end is all fixed through coupling assembling on the arc mounting panel 5, stifle 3 is kept away from regular hexagon recess 14 has been seted up to 2 one end outer walls of drain pipe.

Through the above technical scheme of the utility model, can let stifle 3 can only conveniently be opened with the help of the professional instrument that has protruding regular hexagon to make lawless persons be difficult to open stifle 3, and can not fly by the bullet when stifle 3 is opened, increased the security when stifle 3 is opened.

Example two:

referring to fig. 2 and 4, for the blank cap 3, a sealing gasket 15 is fixedly arranged on the inner wall of the blank cap 3; for the limiting device, the limiting device comprises two first limiting rings 16 and two second limiting rings 17, the two first limiting rings 16 are fixedly sleeved on the outer wall of one end of the sliding rod 11 extending into the sliding cylinder 10, and the second limiting rings 17 are fixed on the inner wall of one end of the sliding cylinder 10 far away from the second bearing 9.

Through the above technical scheme of the utility model, sealed pad 15 can increase the leakproofness between stifle 3 and the drain pipe 2, and first spacing ring 16 and second spacing ring 17 can prevent that slide bar 11 from breaking away from in the slide cartridge 10.

Example three:

referring to fig. 1, 3, 4, 5 and 6, for the second bearing 9, the second bearing 9 is a damping bearing; for coupling assembling, coupling assembling includes arc connection piece 18 and bolt 19, slide bar 11 is kept away from sliding barrel 10 one end outer wall sets up quantity is annular 12 of two, arc connection piece 18 erects respectively annular 12 outer wall just mounting hole 13 has all been seted up at arc connection piece 18 both ends, arc connection piece 18 both ends all through bolt 19 with arc mounting panel 5 fixed connection just bolt 19 runs through mounting hole 13 with 6 threaded connection of screw hole.

Through the above technical scheme of the utility model, when damping bearing can make slide cartridge 10 rotate along fixed axle 8, need overcome certain resistance and could rotate, rotate fast and hinder the people when preventing stifle 3 from opening, arc connection piece 18 and bolt 19 can be fixed slide bar 11 detachable on the first bearing 4 of stifle 3 outer wall, can change stifle 3 after stifle 3 damages.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the blank cap 3 can be conveniently rotated and opened only by a professional tool with a convex regular hexagon, the fire officer can conveniently open the blank cap 3 by the professional tool with the convex regular hexagon, the blank cap 3 cannot be rotated and opened by holding or clamping the edge of the blank cap 3, and a common lawless person cannot carry the professional tool with the convex regular hexagon, so that the blank cap 3 is difficult to open by lawless persons, the blank cap 3 can be pulled and limited by the sliding rod 11 and the sliding cylinder 10 when the blank cap 3 is opened, the blank cap 3 is prevented from flying out, so that the blank cap 3 cannot be popped away when the blank cap 3 is opened, the safety when the blank cap 3 is opened is improved, the fire hose can be installed by rotating the sliding cylinder 10 along the fixed shaft 8 after the blank cap 3 is opened, the sealing gasket 15 can improve the sealing performance between the blank cap 3 and the drain pipe 2, the first limiting ring 16 and the second limiting ring 17 can prevent the sliding rod 11 from being separated from the sliding cylinder 10, the damping bearing can make the sliding cylinder 10 rotate along the fixed shaft 8, and can rotate only by overcoming certain resistance, so as to prevent the blank cap 3 from hurting people due to rapid rotation when being opened, the arc connecting sheet 18 and the bolt 19 can detachably fix the sliding rod 11 on the first bearing 4 on the outer wall of the blank cap 3, and the blank cap 3 can be replaced after being damaged.

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

1. A fire hydrant blank cap is characterized by comprising a fire hydrant (1), a drain pipe (2) is fixedly arranged on one side of the fire hydrant (1), the drain pipe (2) is far away from one end of the fire hydrant (1) and is in threaded connection with a blank cap (3), a first bearing (4) is fixedly sleeved on the outer wall of the blank cap (3), two arc-shaped mounting plates (5) are symmetrically and fixedly arranged on the outer wall of the upper end and the lower end of the first bearing (4), threaded holes (6) are respectively formed in the two ends of each arc-shaped mounting plate (5), a hinged support (7) is fixedly arranged on one side, close to the drain pipe (2), of the fire hydrant (1) and positioned on the upper end and the lower end of the drain pipe (2), a fixed shaft (8) is fixedly arranged between the inner walls of the hinged supports (7), a second bearing (9) is fixedly sleeved on the outer wall of the fixed shaft (, slide bar (11) and stop device slide in slide cartridge (10), slide bar (11) are kept away from slide cartridge (10) one end is all fixed through coupling assembling on arc mounting panel (5), stifle (3) are kept away from regular hexagon recess (14) have been seted up to drain pipe (2) one end outer wall.

2. A fire hydrant cover according to claim 1, wherein a sealing gasket (15) is fixed to the inner wall of the cover (3).

3. A fire hydrant blank cap according to claim 1, wherein the limiting device comprises two first limiting rings (16) and two second limiting rings (17), the two first limiting rings (16) are fixedly sleeved on the outer wall of the end of the sliding rod (11) extending into the sliding barrel (10), and the second limiting ring (17) is fixed on the inner wall of the end of the sliding barrel (10) far away from the second bearing (9).

4. A fire hydrant cover according to claim 1, wherein said second bearing (9) is a damping bearing.

5. A fire hydrant blank cap according to claim 1, wherein the connecting assembly comprises an arc-shaped connecting piece (18) and a bolt (19), the sliding rod (11) is provided with two annular grooves (12) on the outer wall of one end far away from the sliding barrel (10), the arc-shaped connecting piece (18) is respectively erected on the outer wall of the annular groove (12) and the two ends of the arc-shaped connecting piece (18) are provided with mounting holes (13), the two ends of the arc-shaped connecting piece (18) are fixedly connected with the arc-shaped mounting plate (5) through the bolt (19), and the bolt (19) penetrates through the mounting holes (13) and is in threaded connection with the threaded hole (6).