Fire hydrant maintenance structure

By designing an automated fire hydrant maintenance structure, and using electric push rods and telescopic rods to drive arc-shaped blocks to move in a circular motion on the fire hydrant valve stem, the problem of fire hydrant valve stem corrosion was solved, achieving efficient and uniform application of anti-rust oil and improving the maintenance effect of fire hydrants.

CN223819045UActive Publication Date: 2026-01-23HUBEI PINSHENG SAFETY TECHNOLOGY SERVICE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422885458.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2026-01-23
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

The exposed parts of the existing fire hydrant valve stems are prone to rust, which can cause the valves to jam. The current method of manually applying anti-rust oil is inefficient and uneven, which affects the maintenance effect.

Method used

A fire hydrant maintenance structure was designed, which uses an electric push rod and a telescopic rod to drive an arc-shaped block to move in a circular reciprocating motion on the fire hydrant valve stem, automatically applying anti-rust oil and improving the uniformity and efficiency of the application.

Benefits of technology

It enables automated application of anti-rust oil to fire hydrant valve stems, improving maintenance efficiency and effectiveness, and avoiding the unevenness caused by manual application.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223819045U_ABST
    Figure CN223819045U_ABST
Patent Text Reader

Abstract

The utility model discloses a maintenance structure for a fire hydrant, which belongs to the maintenance of fire fighting equipment, comprises a holding rod and a battery compartment arranged on the holding rod, and is characterized in that a maintenance piece for maintaining and lubricating the fire hydrant is arranged on the holding rod, and the upper end part of the holding rod is fixedly connected with an abutting block; the maintenance part comprises a mounting cavity formed in the holding rod, and an electric push rod is fixedly connected to the inner side of the mounting cavity. According to the fire hydrant fixing device, after the holding rod is held by hand, the abutting block on the holding rod abuts against a valve channel in the position of a fire hydrant valve rod, a set of arc-shaped blocks on the installation block are extruded to sleeve the fire hydrant valve rod, and the electric push rod is started to drive the stabilizing rod to sleeve a fire hydrant; and the electric telescopic rod is started to drive the arc-shaped block to reciprocate on the fire hydrant valve rod in the direction perpendicular to the horizontal plane, the anti-rust oil is annularly and automatically smeared on the fire hydrant valve rod in a reciprocating mode, the anti-rust oil smearing uniformity is improved, manual smearing is not needed, and therefore the maintenance efficiency and the maintenance effect of the fire hydrant are improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting equipment maintenance technical field especially relates to a fire hydrant maintenance structure. BACKGROUND

[0002] Fire fighting equipment refers to the fixed facilities in building, such as automatic fire alarm system, indoor fire hydrant, outdoor fire hydrant, etc. Automatic fire fighting equipment is divided into electric system automatic equipment and water system automatic equipment.

[0003] As one of fire fighting equipment, fire hydrant mainly controls combustible material, isolates combustion-supporting material and eliminates ignition source. It is divided into indoor fire hydrant and outdoor fire hydrant. Fire hydrant is mainly used for fire truck to take water from municipal water supply pipe network or outdoor fire water supply pipe network to implement fire extinguishing.

[0004] In the use of fire hydrant, the valve rod on the valve of fire hydrant is usually exposed, and the exposed valve rod surface is easy to be corroded after contacting with air and moisture, which causes the valve to be stuck and affects the use of fire hydrant. Therefore, it is necessary to regularly maintain the valve rod of normally used fire hydrant. However, at present, when maintaining the exposed valve rod of fire hydrant, manual application of anti-rust oil is mostly used. Manual application not only has poor efficiency but also easily leads to uneven application, which affects the maintenance effect. Therefore, a fire hydrant maintenance structure is proposed to solve the above problems. SUMMARY

[0005] (I) Utility model purpose

[0006] To solve the technical problems in the background art, the utility model provides a fire hydrant maintenance structure, which automatically applies anti-rust oil to the valve rod of fire hydrant through the maintenance piece on the handle, and has the advantages of improving maintenance efficiency and maintenance effect.

[0007] (II) Technical scheme

[0008] The utility model provides a fire hydrant maintenance structure, which comprises a handle and a battery compartment opened on the handle, characterized in that: a maintenance piece for fire hydrant maintenance and lubrication is arranged on the handle; the upper end of the handle is fixedly connected with a stop block.

[0009] The maintenance piece comprises a mounting cavity formed on the handle, the inner side of the mounting cavity is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a connecting block, the outer side of the connecting block is hingedly connected with two connecting rods penetrating through the handle, the upper end of the handle is hingedly connected with a stabilizing rod having one end hingedly connected with the connecting rod, the upper end of the handle is fixedly connected with a sleeve, the inner side of the sleeve is slidably connected with a sliding block, the outer side of the sliding block is hingedly connected with an electric telescopic rod having one end hingedly connected with the handle, the outer side of the sliding block is fixedly connected with a supporting rod having one end penetrating through the sleeve, the upper end of the supporting rod is fixedly connected with a mounting block, the upper end of the mounting block is hingedly connected with a group of arc-shaped blocks, the inner side of the arc-shaped blocks is fixedly connected with a plurality of oil guiding cotton pads, and spring telescopic rods are hingedly connected between the arc-shaped blocks and the mounting block.

[0010] The inside of the arc-shaped block is hollow, a plurality of oil outlet holes are formed in the inner side of the arc-shaped block and communicate with the hollow part, and the number and position of the oil outlet holes are matched with the oil guiding cotton pads.

[0011] The handle is provided with an oil supply piece for supplying oil to the arc-shaped blocks.

[0012] Preferably, a through hole is formed in the outer side of the handle and communicates with the mounting cavity and is located on the outer side of the connecting rod, and the upper end of the handle is conical and is provided with a rectangular groove for supporting the electric telescopic rod.

[0013] Preferably, the end of the stabilizing rod away from the handle is in the shape of "J", the abutting block is arc-shaped, and the abutting blocks are distributed in front of and behind the arc-shaped blocks in an offset manner.

[0014] Preferably, the spring telescopic rod is composed of a sleeve rod, a sliding rod and a connecting spring, the sleeve rod is hingedly connected to the mounting block, the sliding rod is slidably connected to the inner side of the sleeve rod and is hingedly connected to the outer side of the arc-shaped block at the upper end thereof, and the connecting spring is fixedly connected between the lower end of the sliding rod and the inner side of the sleeve rod.

[0015] Preferably, the oil supply piece comprises a push rod, an oil supply cavity is formed in the middle of the handle, the push rod is slidably connected in the oil supply cavity and penetrates through the oil supply cavity at the lower end thereof, a compression spring is fixedly connected between the lower end of the push rod and the connecting block, and the handle is fixedly connected with oil supply pipes respectively communicating with the oil supply cavity and the arc-shaped blocks.

[0016] Preferably, the oil supply pipes are flexible tubes, a sealing ring is embedded on the end of the push rod inside the oil supply cavity, an oil injection port is formed in the middle of the handle and communicates with the oil supply cavity, and a valve is mounted on the oil injection port.

[0017] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0018] The fire hydrant maintenance structure, through the handheld holding rod, the abutting block on the holding rod is abutted against the valve channel at the valve rod of the fire hydrant, a group of arc blocks on the mounting block are extruded to cover the fire hydrant valve rod, the stable rod is covered through the starting electric push rod, and the arc blocks are driven to reciprocate on the fire hydrant valve rod along the vertical horizontal plane, the fire hydrant valve rod is annularly reciprocated and automatically smeared with rust-proof oil, the uniformity of rust-proof oil smearing is improved, manual smearing is not needed, and therefore the maintenance efficiency and maintenance effect of the fire hydrant are improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is an overall structure perspective view of the utility model;

[0020] Figure 2 It is an overall structure side view of the utility model;

[0021] Figure 3 It is an overall structure side view of the utility model; Figure 2 It is an enlarged view of A in the utility model.

[0022] The drawings show that: 1, the holding rod; 2, battery compartment; 3, oil filling port; 4, maintenance piece; 41, mounting cavity; 42, electric push rod; 43, connecting block; 44, compression spring; 45, connecting rod; 46, oil supply cavity; 47, push rod; 48, electric telescopic rod; 49, oil supply pipe; 410, stable rod; 411, sleeve; 412, sliding block; 413, support rod; 414, mounting block; 415, arc block; 416, oil guide cotton pad; 417, spring telescopic rod; 5, abutting block. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with specific implementation manners and with reference to the drawings. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0024] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, welding, riveting, bonding and the like, or detachable connection, threaded connection, key connection, pin connection and the like, or integrally connected; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the intercommunication of two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] As shown in Figures 1-3 The utility model provides a fire hydrant maintenance structure, including handle 1 and the battery compartment 2 set up on handle 1, be provided with the maintenance piece 4 of fire hydrant maintenance lubrication on handle 1, the upper end of handle 1 is fixedly connected with the abutment 5, and the abutment 5 is arc-shaped, so that the abutment 5 on handle 1 can be attached to the valve way of the support valve stem of fire hydrant, namely the shell of fire hydrant in the use process.

[0027] In the utility model, the battery compartment 2 is buckled with a cover, and the battery compartment 2 is used to place the battery of the electric element in the drive maintenance piece 4.

[0028] In an alternative embodiment, the maintenance piece 4 includes an installation cavity 41 set up on the handle 1, the inner side of the installation cavity 41 is fixedly connected with an electric push rod 42, the output end of the electric push rod 42 is fixedly connected with a connecting block 43, the outer side of the connecting block 43 is hinged with two connecting rods 45 penetrating through the handle 1, the upper end of the handle 1 is hinged with a stabilizing rod 410 hinged at one end with the connecting rod 45, the upper end of the handle 1 is fixedly connected with a sleeve 411, the inner side of the sleeve 411 is slidingly connected with a sliding block 412, the outer side of the sliding block 412 is hinged with an electric telescopic rod 48 hinged at one end with the handle 1, the outer side of the sliding block 412 is fixedly connected with a support rod 413 penetrating through the sleeve 411 at one end, the upper end of the support rod 413 is fixedly connected with a mounting block 414, the upper end of the mounting block 414 is hinged with a group of arc-shaped blocks 415, the inner side of the arc-shaped blocks 415 is fixedly connected with a plurality of oil guide cotton pads 416, and the arc-shaped blocks 415 and the mounting block 414 are hinged with spring telescopic rods 417.

[0029] In the embodiment, after a group of arc-shaped blocks 415 on the mounting block 414 are squeezed to cover the fire hydrant valve stem, the stabilizing rod 410 is driven to cover the fire hydrant by starting the electric push rod 42, and the electric telescopic rod 48 is started to drive the arc-shaped blocks 415 to reciprocate on the fire hydrant valve stem along the vertical horizontal plane, so as to automatically apply the rust-proof oil to the fire hydrant valve stem in a ring shape, thereby improving the uniformity of the rust-proof oil application and eliminating the need for manual application, so as to improve the maintenance efficiency and effect of the fire hydrant.

[0030] It should be noted that the inside of the arc-shaped block 415 is hollow, and the inner side of the arc-shaped block 415 is provided with a plurality of oil outlet holes communicating with the hollow space, the number and position of the oil outlet holes are matched with the oil guiding cotton pad 415, so that the rust-proof oil delivered into the arc-shaped block 415 can overflow through the oil outlet holes and the oil guiding cotton pad 415.

[0031] Wherein, the outer side of the handle 1 is provided with a through hole in communication with the installation cavity 41 and located outside the connecting rod 45, to provide a moving hole for the connecting rod 45 during pushing and pulling the stable rod 410, the upper end of the handle 1 is tapered, and a rectangular groove for supporting the electric telescopic rod 48 is provided at the tapered end, to provide an installation space for the electric telescopic rod 48, so that the activated electric telescopic rod 48 can drive the sliding block 412 to reciprocate in the sleeve 411 along the direction perpendicular to the handle 1.

[0032] In addition, the end of the stable rod 410 away from the handle 1 is in the shape of "J", so that the stable rod 410 can hook the valve channel of the fire hydrant in cooperation with the block 5 during being pushed by the connecting rod 45, to stably support the handle 1, and the block 5 and the arc-shaped block 415 are distributed in front of and behind each other, so that when the arc-shaped block 415 is located above the center of the block 5 and abuts against the valve channel of the fire hydrant in cooperation with the block 5, the valve rod of the fire hydrant can be covered.

[0033] Secondly, the spring telescopic rod 417 is composed of a sleeve rod, a sliding rod and a connecting spring, the sleeve rod is hinged to the installation block 414, the sliding rod is slidingly connected to the inside of the sleeve rod, and the upper end of the sliding rod is hinged to the outside of the arc-shaped block 415, the connecting spring is fixedly connected between the lower end of the sliding rod and the inside of the sleeve rod, to elastically support the arc-shaped block 415 and also to elastically reset the arc-shaped block 415 receiving extrusion and rotation.

[0034] In an optional embodiment, the handle 1 is provided with an oil supply member for supplying oil to the arc-shaped block 415, the oil supply member includes a pushing rod 47, the middle part of the handle 1 is provided with an oil supply cavity 46, the pushing rod 47 is slidingly connected in the oil supply cavity 46, and the lower end of the pushing rod 47 penetrates the oil supply cavity 46, a compression spring 44 is fixedly connected between the lower end of the pushing rod 47 and the connecting block 43, and the handle 1 is fixedly connected with an oil supply pipe 49 in communication with the oil supply cavity 46 and the arc-shaped block 415.

[0035] In this embodiment, when the activated electric push rod 42 pushes the connecting rod 45 through the connecting block 43, the pushing rod 47 can also be pushed to slide in the oil supply cavity 46 through the compression spring 44, to push the rust-proof oil in the oil supply cavity 46 to be extruded to the hollow space of the arc-shaped block 415 through the oil supply pipe 49, and then guided to the valve rod of the fire hydrant through the oil guiding cotton pad 416.

[0036] It needs to be explained that the oil supply pipe 49 is a hose, so that the oil supply pipe 49 can follow the arc-shaped block 415 to stretch and retract, and the end of the push rod 47 inside the oil supply cavity 46 is embedded with a sealing ring to increase the sealing between the end of the push rod 47 inside the oil supply cavity 46 and the oil supply cavity 46, and the middle part of the handle 1 is provided with an oil inlet 3 in communication with the oil supply cavity 46, and a valve is installed on the oil inlet 3, so that the operator can conveniently inject oil into the oil supply cavity 46 through the oil inlet 3 in the later stage;

[0037] And any orientation of the handle 1 is also provided with a control switch electrically connected with the electric push rod 42 and the electric telescopic rod 48, and the control switch, the electric push rod 42 and the electric telescopic rod 48 are electrically connected with the battery compartment 2, and the control mode of the control switch and the power connection technology are not described herein under the premise that the battery compartment 2 and the control switch are conventional known devices.

[0038] The working principle in the above embodiment is as follows:

[0039] After the handle 1 is held and the abutting block 5 on the handle 1 is abutted against the valve channel of the fire hydrant valve rod, i.e. the shell of the fire hydrant valve rod, the electric push rod 42 is started to push the connecting block 43 to move along the direction perpendicular to the fire hydrant, and then the connecting rod 45 pushes the stabilizing rod 410 to cover the valve channel of the fire hydrant, and when the abutting block 5 is abutted against the valve channel of the fire hydrant, a group of arc-shaped blocks 415 above the center of the abutting block 5 will first abut against the valve rod of the fire hydrant, and when the abutting block 5 is pushed to abut against the valve channel, the arc-shaped blocks 415 subjected to compression will be sleeved on the outer side of the valve rod, and after the handle 1 is stably supported by the abutting block 5 and the stabilizing rod 410, the sliding block 412 is driven to reciprocate on the sleeve 411 along the direction perpendicular to the horizontal plane, and then the supporting rod 413 and the mounting block 414 drive the driving arc-shaped blocks 415 to reciprocate on the valve rod of the fire hydrant, and when the electric push rod 42 is started to push the connecting rod 45 through the connecting block 43, the compression spring 44 is also used to push the push rod 47 to slide in the oil supply cavity 46, so that the rust-proof oil in the oil supply cavity 46 is extruded to the hollow part of the arc-shaped block 415 through the oil supply pipe 49, and is guided to the valve rod of the fire hydrant through the oil guiding cotton pad 416, so that the valve rod of the fire hydrant is annularly and reciprocally automatically coated with the rust-proof oil, thereby improving the uniformity of the rust-proof oil coating, and manual coating is not required.

[0040] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A fire hydrant maintenance structure, comprising a handle (1) and a battery compartment (2) formed on the handle (1), characterized in that: The handle (1) is provided with a maintenance part (4) for fire hydrant maintenance and lubrication, and the upper end of the handle (1) is fixedly connected with a stop block (5). The maintenance component (4) includes a mounting cavity (41) formed on the grip (1). An electric push rod (42) is fixedly connected to the inner side of the mounting cavity (41). A connecting block (43) is fixedly connected to the output end of the electric push rod (42). Two connecting rods (45) are hinged to the outer side of the connecting block (43) and penetrate the grip (1). A stabilizing rod (410) with one end hinged to the upper end of the grip (1) is connected to the upper end of the grip (1). A sleeve (411) is fixedly connected to the upper end of the grip (1). A sliding block (4) is slidably connected to the inner side of the sleeve (411). 12) An electric telescopic rod (48) with one end hinged to the outer side of the sliding block (412) is connected to the outer side of the sliding block (412). A support rod (413) with one end penetrating the sleeve (411) is fixedly connected to the outer side of the sliding block (412). An installation block (414) is fixedly connected to the upper end of the support rod (413). A set of arc-shaped blocks (415) is hinged to the upper end of the installation block (414). Several oil-guiding cotton pads (416) are fixedly connected to the inner side of the arc-shaped blocks (415). A spring telescopic rod (417) is hinged between the arc-shaped blocks (415) and the installation block (414). The interior of the arc-shaped block (415) is hollow. The inner side of the arc-shaped block (415) has a number of oil outlet holes that are connected to the hollow part. The number and orientation of the oil outlet holes are matched with the oil-guiding cotton pad (416). The grip (1) is provided with an oil supply component for supplying oil to the arc-shaped block (415).

2. The fire hydrant maintenance structure according to claim 1, characterized in that, The grip (1) has a through hole on its outer side that is connected to the mounting cavity (41) and located on the outer side of the connecting rod (45). The upper end of the grip (1) is tapered, and a rectangular groove for supporting the electric telescopic rod (48) is provided at its tapered end.

3. The fire hydrant maintenance structure according to claim 1, characterized in that, The end of the stabilizing rod (410) away from the grip (1) is "J" shaped, the abutment block (5) is arc-shaped, and the abutment block (5) and the arc-shaped block (415) are staggered front and back.

4. The fire hydrant maintenance structure according to claim 1, characterized in that, The spring telescopic rod (417) consists of a sleeve rod, a sliding rod, and a connecting spring. The sleeve rod is hinged to the mounting block (414), the sliding rod is slidably connected to the inner side of the sleeve rod, and the upper end of the sliding rod is hinged to the outer side of the arc block (415). The connecting spring is fixedly connected between the lower end of the sliding rod and the inner side of the sleeve rod.

5. The fire hydrant maintenance structure according to claim 1, characterized in that, The oil supply component includes a push rod (47), and an oil supply chamber (46) is provided in the middle of the grip (1). The push rod (47) is slidably connected in the oil supply chamber (46), and its lower end passes through the oil supply chamber (46). A compression spring (44) is fixedly connected between the lower end of the push rod (47) and the connecting block (43). An oil supply pipe (49) is fixedly connected on the grip (1) and communicates with the oil supply chamber (46) and the arc block (415) respectively.

6. The fire hydrant maintenance structure according to claim 5, characterized in that, The oil supply pipe (49) is a flexible hose. The push rod (47) is fitted with a sealing ring at one end inside the oil supply chamber (46). The middle part of the handle (1) is provided with an oil inlet (3) that communicates with the oil supply chamber (46), and a valve is installed on the oil inlet (3).