CN217734217U

CN217734217U - Locking device for pressure test of fire hydrant switch

Info

Publication number: CN217734217U
Application number: CN202221811229.XU
Authority: CN
Inventors: 王红燕; 李铁锋; 王小燕
Original assignee: Ningbo Fengtai Security Technology Co ltd
Current assignee: Ningbo Fengtai Security Technology Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-11-04
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a locking means for during fire hydrant switch pressure testing, including the fire hydrant, the upper end of fire hydrant is provided with the locking seat, the internal connection of locking seat has the pivot, the surface of pivot has the gear through welded fastening, one side of gear is provided with the cardboard, the surface of cardboard has the connecting seat through welded fastening, and the inside of connecting seat is provided with the screw rod, rotate through the connecting seat between screw rod and the cardboard and be connected. A locking means for during fire hydrant switch pressure testing, through the inside at the latch segment set up the screw rod to at the end connection cardboard of screw rod, utilize the kit to rotate the screw rod, under the effect of screw rod, drive the cardboard and remove to one side of gear, make latch embedding gear surface on the cardboard inner wall, under the cooperation of cardboard and gear, with pivot locking, prevent at fire hydrant pressure testing in-process, someone opens the fire hydrant switch privately and causes the pressure testing water to leak from the fire hydrant.

Description

Locking device for pressure test of fire hydrant switch

Technical Field

The utility model relates to a fire hydrant technical field, in particular to locking means for during fire hydrant switch pressure testing.

Background

The fire hydrant is mainly used for the fire truck to take water from a municipal water supply network or an outdoor fire-fighting water supply network to put out a fire, and can also be directly connected with a water hose and a water gun to discharge water to put out a fire, so the fire hydrant is also one of important fire-fighting facilities for putting out a fire.

Need regularly carry out the pressure testing to it after the fire hydrant installation, whether check fire-fighting equipment normally operates, but carry out the pressure testing in-process to the fire hydrant, if someone opens the fire hydrant switch privately, can cause the pressure testing water to flow out from the fire hydrant in, cause the wasting of resources easily, for this reason, propose a locking means when being used for fire hydrant switch pressure testing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a locking means when being used for fire hydrant switch pressure testing can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a locking means for during fire hydrant switch pressure testing, includes the fire hydrant, the upper end of fire hydrant is provided with the locking seat, through welded fastening between locking seat and the fire hydrant, the internal connection of locking seat has the pivot, the surface of pivot has the gear through welded fastening, through the cooperation of gear with the locking seat, can play the restriction effect to the removal of pivot, one side of gear is provided with the cardboard, equidistant a plurality of latches that are provided with on the inner wall of cardboard, latch and gear matching, the surface of cardboard has the connecting seat through welded fastening, and the inside of connecting seat is provided with the screw rod, rotate through the connecting seat between screw rod and the cardboard and be connected, the inside set screw hole of locking seat, the screw hole runs through in the locking seat, the screw rod extends to the inside of screw hole, the screw rod runs through the screw hole, through screw hole threaded connection between screw rod and the locking seat.

Preferably, the surface of the rotating shaft is provided with threads, the rotating shaft penetrates through the locking seat, and the rotating shaft is movably connected with the locking seat through the threads.

Preferably, the end of the screw rod is provided with a triangular tongue lock, the triangular tongue lock is embedded into the screw rod, and the triangular tongue lock and the screw rod are fixed through welding.

Preferably, a clamping groove is formed in the locking seat, the clamping groove is matched with the connecting seat in shape, and the clamping groove is communicated with the threaded hole.

Preferably, the lower extreme of pivot is provided with the ooff valve, rotate through the mount pad between ooff valve and the pivot and be connected.

Preferably, the switch valve extends to the inside of the fire hydrant, the surface of the switch valve is attached to the inner wall of the fire hydrant, and the switch valve is connected with the fire hydrant in a sliding mode.

Preferably, the rotating wheel is fixed at the top end of the rotating shaft through welding.

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

the utility model discloses in, set up the screw rod through the inside at the lock retainer to at the end connection cardboard of screw rod, utilize the appurtenance to rotate the screw rod, under the effect of screw rod, drive the cardboard and remove to one side of gear, make latch embedding gear surface on the cardboard inner wall, under the cooperation of cardboard and gear, lock the pivot, prevent at fire hydrant pressure testing in-process, someone opens the fire hydrant switch privately and causes the pressure testing water to leak from the fire hydrant.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary and that other implementation drawings may be derived from the provided drawings by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of the overall structure of a locking device for pressure testing of a fire hydrant switch according to the present invention;

fig. 2 is a schematic view of an assembly structure of a hydrant and a locking device in the locking device for pressure test of the hydrant switch of the present invention;

FIG. 3 is a cross-sectional view of the joint between the gear and the snap-gauge of the locking device for pressure testing of the hydrant switch of the present invention;

fig. 4 is a schematic view of an assembly structure of a rotating shaft, a gear, a switch valve and a rotating wheel in the locking device for pressure test of a fire hydrant switch of the present invention;

fig. 5 is the utility model relates to an assembly structure schematic diagram of cardboard and screw rod among the locking means for during fire hydrant switch pressure testing.

In the figure: 1. a fire hydrant; 2. a locking seat; 3. an on-off valve; 4. a rotating shaft; 5. a rotating wheel; 6. a gear; 7. clamping a plate; 8. a screw; 9. a triangular tongue lock; 10. a threaded hole; 11. a clamping groove.

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.

As shown in fig. 1-5, a locking device for use in pressure test of a fire hydrant switch, including a fire hydrant 1, a locking seat 2 is disposed at an upper end of the fire hydrant 1, the locking seat 2 can fix and guide a rotating shaft 4, and can support and guide a clamping plate 7 and a screw 8, the locking seat 2 and the fire hydrant 1 are fixed by welding, the connection between the locking seat 2 and the fire hydrant 1 can be firmer by welding, thereby ensuring the stability of the locking seat 2, the rotating shaft 4 is connected inside the locking seat 2, the surface of the rotating shaft 4 is provided with threads, the rotating shaft 4 penetrates through the locking seat 2, the rotating shaft 4 and the locking seat 2 are movably connected by threads, thereby facilitating the rotating shaft 4 to move up and down along the inside of the locking seat 2, a gear 6 is fixed on the surface of the rotating shaft 4 by welding, the gear 6 is matched with the locking seat 2 by the gear 6, the movement of the rotating shaft 4 can be limited by the matching of the gear 6 and the locking seat 2, the rotating shaft 4 can be prevented from extending to the inside of the fire hydrant 1, the clamping plate 7 is provided with the clamping plate 7, the screw 10, when the rotating screw is connected with the clamping plate 8 through the screw, the clamping plate 10, the screw is provided on the surface of the inner wall of the locking seat, the rotating seat, the clamping plate 2, and the clamping plate 7, and the rotating screw, when the rotating screw, the clamping plate 2, the clamping plate is provided with the clamping plate 8, and the rotating screw, and the clamping plate 7, and the clamping plate 8, and the rotating screw, and the clamping plate 7, through 8 cooperation screw holes 10 of screw rod, can drive cardboard 7 along 2 inside removals of locking seat, draw-in groove 11 has been seted up to the inside of locking seat 2, draw-in groove 11's shape coincide with the connecting seat, draw-in groove 11 and screw hole 10 intercommunication, utilize draw-in groove 11 can be with

cardboard

7 and 6 separation backs of gear, let in the connecting seat embedding locking seat 2, guarantee to have sufficient clearance between cardboard 7 and the gear 6, can let pivot 4 rotate, the tip of screw rod 8 is provided with triangle tongue lock 9, the inside of triangle tongue lock 9 embedding screw rod 8, through welded fastening between triangle tongue lock 9 and the screw rod 8, utilize triangle tongue lock 9 cooperation supporting tool, can rotate screw rod 8, avoid someone to rotate pivot 4 privately and open fire hydrant 1.

When carrying out the locking to fire hydrant 1 switch, at first ensure that fire hydrant 1 switch is in the closure state, later utilize the mating tool clockwise turning screw rod 8, make screw rod 8 rotate along the inside of locking seat 2, drive cardboard 7 and remove to one side of gear 6, make latch and gear 6 surface engagement on the cardboard 7 inner wall, thereby lock pivot 4, prevent someone from opening fire hydrant 1 privately at 1 pressure testing in-process of fire hydrant, cause the pressure testing water to leak, after the pressure testing, can utilize mating tool anticlockwise turning screw rod 8, under the drive of screw rod 8, make latch and gear 6 separation on cardboard 7 and the inner wall, thereby relieve the locking to fire hydrant 1 switch.

The lower extreme of pivot 4 is provided with ooff valve 3, can close fire hydrant 1 through ooff valve 3, rotate through the mount pad between ooff valve 3 and the pivot 4 and be connected, be favorable to when rotating pivot 4, pivot 4 rotates along ooff valve 3 surfaces, ooff valve 3 extends to the inside of fire hydrant 1, ooff valve 3's the surface and the laminating of the inner wall of fire hydrant 1, guarantee the seal of 1 inner wall of fire hydrant, sliding connection between ooff valve 3 and the fire hydrant 1, the top of pivot 4 has runner 5 through welded fastening.

When opening and closing fire hydrant 1, can be through rotating runner 5, drive pivot 4 by runner 5 along the inside rotation of locking seat 2 to control pivot 4 and reciprocate along the inside of locking seat 2, and then drive ooff valve 3 and reciprocate along the fire hydrant 1 is inside, realize opening and closing to fire hydrant 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly, detachably, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a locking means for during fire hydrant switch pressure testing, includes fire hydrant (1), its characterized in that: the fire hydrant (1) upper end is provided with locking seat (2), through welded fastening between locking seat (2) and fire hydrant (1), the internal connection of locking seat (2) has pivot (4), the surface of pivot (4) has gear (6) through welded fastening, one side of gear (6) is provided with cardboard (7), equidistant a plurality of latches that are provided with on the inner wall of cardboard (7), latch and gear (6) match, the surface of cardboard (7) has the connecting seat through welded fastening, and the inside of connecting seat is provided with screw rod (8), rotate through the connecting seat between screw rod (8) and cardboard (7) and be connected, screw hole (10) have been seted up to the inside of locking seat (2), screw hole (10) run through in locking seat (2), screw rod (8) extend to the inside of screw hole (10), screw rod (8) run through in screw hole (10), through threaded connection through screw hole (10) between screw rod (8) and locking seat (2).

2. The locking device for the pressure test of the fire hydrant switch according to claim 1, wherein: the surface of pivot (4) is provided with the screw thread, pivot (4) run through in locking seat (2), through screw thread swing joint between pivot (4) and the locking seat (2).

3. The locking device for the pressure test of the fire hydrant switch according to claim 1, wherein: the tip of screw rod (8) is provided with triangle tongue lock (9), the inside of triangle tongue lock (9) embedding screw rod (8), pass through welded fastening between triangle tongue lock (9) and screw rod (8).

4. The locking device for the pressure test of the fire hydrant switch according to claim 2, wherein: the locking device is characterized in that a clamping groove (11) is formed in the locking seat (2), the shape of the clamping groove (11) is matched with that of the connecting seat, and the clamping groove (11) is communicated with the threaded hole (10).

5. The locking device for the pressure test of the fire hydrant switch according to claim 1, wherein: the lower extreme of pivot (4) is provided with ooff valve (3), rotate through the mount pad between ooff valve (3) and pivot (4) and be connected.

6. The locking device for the pressure test of the fire hydrant switch according to claim 5, wherein: the switch valve (3) extends to the inside of fire hydrant (1), the surface of switch valve (3) and the inner wall laminating of fire hydrant (1), sliding connection between switch valve (3) and fire hydrant (1).

7. The locking device for the pressure test of the fire hydrant switch according to claim 1, wherein: and the top end of the rotating shaft (4) is fixedly provided with a rotating wheel (5) through welding.