CN213598252U

CN213598252U - Be used for airtight space gas detection and exhaust device

Info

Publication number: CN213598252U
Application number: CN202022642431.1U
Authority: CN
Inventors: 陈铭
Original assignee: Haining Jinneng Power Industry Co ltd
Current assignee: Haining Jinneng Power Industry Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-07-02
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a gas detection and exhaust device for enclosed space, which comprises a fan shell, wherein a fan outer cover is movably sleeved on the outer side of the fan shell, a handle is fixedly connected to the top of the fan outer cover, an air pipe body is movably sleeved on one side of the fan outer cover, the number of the air pipe bodies is two, and a connecting baffle is fixedly connected to the outer side of one end of the air pipe body; through fan shell, fan dustcoat, handle and the coupling of tuber pipe of design, the device of being convenient for is in the use, through both ends hose connection, realizes that the staff is carrying out the ventilation in the pit in-process, avoids contacting the air in the pit, realizes the safety of operation, simultaneously, through the design of high-power amount of wind for the circulation of air in the pit, thereby reduced the problem of incident emergence probability of current device when using.

Description

Be used for airtight space gas detection and exhaust device

Technical Field

The utility model belongs to the technical field of electric power, gas, communication, concretely relates to be used for airtight space gas detection and exhaust device.

Background

In recent years, with the rapid development of national modernization construction, a power transmission network is rapidly expanded, in a city, a power cable usually carries out power transmission through an underground cable well, in the daily process, the cable well is usually in a closed state, when the maintenance is required, personnel enter a well by opening a cable well cover, and due to long-time closure and the change of various external environments, toxic and harmful gases such as carbon monoxide, methane and the like are often generated in the cable well, so that the safety of underground construction of the personnel is seriously threatened, and safety accidents are caused.

The existing mode is carried out through natural ventilation, the ventilation time is long, meanwhile, for underground gas detection of a cable, the quality of gas inside the cable well is difficult to detect only through detection at a well mouth, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for airtight space gas to detect and exhaust device to propose among the above-mentioned background art that current mode all goes on through natural draft's mode, the ventilation time is long, simultaneously, to cable gas detection in the pit, only usually through detecting at the well head, hardly detect the inside gas quality of cable pit, have the problem of certain potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: a gas detection and exhaust device for a closed space comprises a fan shell, wherein a fan outer cover is movably sleeved on the outer side of the fan shell, a handle is fixedly connected to the top of the fan outer cover, an air pipe body is movably sleeved on one side of the fan outer cover, the number of the air pipe bodies is two, a connecting baffle is fixedly connected to the outer side of one end of the other air pipe body, an air pipe joint is fixedly connected to one side of the fan shell, the fan body is fixedly connected to the inner side of the fan shell, a fixed clamping sleeve is fixedly connected to one side of the inner part of the fan outer cover, a movable clamping sleeve is movably connected to the bottom end of the fixed clamping sleeve, a first connecting block is fixedly connected to one side of the fixed clamping sleeve, a second connecting block is fixedly connected to one side of the movable clamping sleeve, a handle is arranged on the top of the first connecting, and a thread clamping sleeve is sleeved on the outer side of the bottom of the threaded rod in a threaded manner, and the upper surface of the thread clamping sleeve is fixedly connected to the lower surface of the second connecting block.

Preferably, one side fixedly connected with unable adjustment base of linking stop, unable adjustment base's inside activity has cup jointed pressure spring, one side fixedly connected with joint piece of pressure spring, gaseous detector has been cup jointed in the inside activity of linking stop's front surface.

Preferably, the outer side of the fan shell is fixedly connected with an annular bump, and the inner side of one end of the air pipe body is fixedly connected with the outer side of the annular bump.

Preferably, the front end and the rear end of the upper surface of the handle are both provided with fixing bolts, and the bottom threads of the fixing bolts are sleeved inside the upper surface of the fan outer cover.

Preferably, the number of the first connecting blocks and the number of the second connecting blocks are two, the first connecting blocks are respectively and fixedly connected to the front end and the rear end of the fixed clamping sleeve, and the second connecting blocks are respectively and fixedly connected to the front end and the rear end of the movable clamping sleeve.

Preferably, a circular hole is formed in one side of the fan outer cover, and one end of the air pipe body is movably sleeved in the circular hole.

Preferably, the two sides of the gas detector are both provided with clamping grooves, and the clamping blocks are movably sleeved on the inner sides of the clamping grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through fan shell, fan dustcoat, handle and the coupling of tuber pipe of design, the device of being convenient for is in the use, through both ends hose connection, realizes that the staff is carrying out the ventilation in the pit in-process, avoids contacting the air in the pit, realizes the safety of operation, simultaneously, through the design of high-power amount of wind for the circulation of air in the pit, thereby reduced the problem of incident emergence probability of current device when using.

2. Through the gas detection appearance, connection baffle, unable adjustment base and the compression spring of design, the device of being convenient for detects through the air in the pit in real time in the use, realizes that personnel can monitor in real time the air quality in the pit in the working process in the pit, and further the security that improves personnel's construction operation in the pit.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a front view structure of the fan casing of the present invention;

FIG. 3 is a schematic view of the front view structure of the gas detector of the present invention;

fig. 4 is a schematic side view sectional structure diagram of the blower housing of the present invention;

fig. 5 is a schematic side view of the connecting baffle of the present invention.

In the figure: 1. a fan housing; 2. a fan housing; 3. a handle; 4. a fan body; 5. an air pipe joint; 6. an air duct body; 7. a gas detector; 8. connecting a baffle plate; 9. fixing the clamping sleeve; 10. moving the cutting sleeve; 11. a first connection block; 12. a second connecting block; 13. a handle; 14. a threaded rod; 15. a threaded ferrule; 16. a fixed base; 17. a pressure spring; 18. a clamping block; 19. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a gas detection and exhaust device for a closed space comprises a fan shell 1, a fan outer cover 2 is movably sleeved on the outer side of the fan shell 1, a handle 3 is fixedly connected to the top of the fan outer cover 2, an air duct body 6 is movably sleeved on one side of the fan outer cover 2, the number of the air duct bodies 6 is two, a connecting baffle 8 is fixedly connected to the outer side of one end of the other air duct body 6, an air duct joint 5 is fixedly connected to one side of the fan shell 1, a fan body 4 is fixedly connected to the inner side of the fan shell 1, a fixed cutting sleeve 9 is fixedly connected to one side of the inner part of the fan outer cover 2, a movable cutting sleeve 10 is movably connected to the bottom end of the fixed cutting sleeve 9, a first connecting block 11 is fixedly connected to one side of the fixed cutting sleeve 9, a second connecting block 12 is fixedly connected to one side of the movable cutting sleeve 10, a handle 13 is, a threaded clamping sleeve 15 is sleeved on the outer side of the bottom of the threaded rod 14 in a threaded manner, and the upper surface of the threaded clamping sleeve 15 is fixedly connected to the lower surface of the second connecting block 12.

In this embodiment, at first, be fixed with big amount of wind fan body 4 in the intermediate position, then increase fan housing 1 in the 4 outsides of fan body, the top sets up fan dustcoat 2, install handle 3 on fan dustcoat 2, conveniently remove and place, a tuber pipe body 6 is installed respectively to the shell both sides, then according to the actual work needs, stretch into the cable shaft with 4 one end tuber pipe bodies 6 of fan body, the other end is straightened and is kept away from fan body 4, make fan body 4 can supply air or convulsions to the cable shaft, open fan body 4 starting switch, fan body 4 starts, air supply or convulsions work begins.

Specifically, one side fixedly connected with unable adjustment base 16 of linking baffle 8, unable adjustment base 16's inside activity has cup jointed pressure spring 17, and one side fixedly connected with joint piece 18 of pressure spring 17, gaseous detector 7 has been cup jointed in the inside activity of front surface of linking baffle 8.

In this embodiment, at first through cup jointing the bottom activity of gas detection appearance 7 inside unable adjustment base 16's front surface, then drive joint piece 18 through compression spring 17 and with gas detection appearance 7 fixed joint, when making tuber pipe body 6 stretch into the cable shaft, gas detection appearance 7's connecting baffle 8 stretches into the cable shaft along with tuber pipe body 6, carries out real-time supervision to gaseous in the pit.

Specifically, the outer side of the fan housing 1 is fixedly connected with an annular bump, and the inner side of one end of the air pipe body 6 is fixedly connected with the outer side of the annular bump.

In this embodiment, in order to ensure that the air duct body 6 is more firmly fixed, the inner side of one end of the air duct body 6 is fixedly connected with the annular convex block outside the fan shell 1.

Specifically, the front end and the rear end of the upper surface of the handle 3 are provided with fixing bolts, and the bottom threads of the fixing bolts are sleeved inside the upper surface of the fan outer cover 2.

In this embodiment, in order to ensure that the handle 3 can be detached and fixed, the handle 3 is fixedly connected to the inside of the upper surface of the fan housing 2 through the fixing bolt.

Specifically, the number of the first connecting blocks 11 and the number of the second connecting blocks 12 are two, the two first connecting blocks 11 are respectively and fixedly connected to the front end and the rear end of the fixed cutting sleeve 9, and the two second connecting blocks 12 are respectively and fixedly connected to the front end and the rear end of the movable cutting sleeve 10.

In this embodiment, in order to ensure that the fixed cutting ferrule 9 and the movable cutting ferrule 10 can assist in fixing the outer side of the air pipe body 6 at the outer side of the air pipe joint 5, the front end and the rear end of the fixed cutting ferrule 9 and the movable cutting ferrule 10 are respectively and fixedly connected with the first connecting block 11 and the second connecting block 12.

Specifically, a circular hole is formed in one side of the fan housing 2, and one end of the air pipe body 6 is movably sleeved in the circular hole.

In this embodiment, in order to guarantee that the air pipe body 6 can be more conveniently connected with the air pipe joint 5 in a clamped manner, the air pipe body 6 is penetrated into the circular hole formed in one side of the fan outer cover 2.

Specifically, the clamping grooves 19 are formed in the two sides of the gas detector 7, and the clamping blocks 18 are movably sleeved on the inner sides of the clamping grooves 19.

In this embodiment, in order to ensure the stability of the installation of the gas detector 7, the clamping blocks 18 are movably sleeved in the clamping grooves 19 formed on the two sides of the gas detector 7.

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. The utility model provides a be used for airtight space gas detection and exhaust device, includes fan shell (1), its characterized in that: the fan outer cover (2) is movably sleeved on the outer side of the fan shell (1), a handle (3) is fixedly connected to the top of the fan outer cover (2), an air pipe body (6) is movably sleeved on one side of the fan outer cover (2), the number of the air pipe bodies (6) is two, another air pipe body (6) is fixedly connected to the outer side of one end of the air pipe body (8), an air pipe joint (5) is fixedly connected to one side of the fan shell (1), a fan body (4) is fixedly connected to the inner side of the fan shell (1), a fixed clamping sleeve (9) is fixedly connected to one side of the inner portion of the fan outer cover (2), a movable clamping sleeve (10) is movably connected to the bottom end of the fixed clamping sleeve (9), a first connecting block (11) is fixedly connected to one side of the fixed clamping sleeve (9), a second connecting block (12) is fixedly connected to one side of the, the top of first connecting block (11) is provided with handle (13), the bottom fixedly connected with threaded rod (14) of handle (13), the bottom outside screw thread of threaded rod (14) has cup jointed screw thread cutting ferrule (15), the last fixed surface of screw thread cutting ferrule (15) connect in the lower surface of second connecting block (12).

2. The device for detecting and exhausting gas in a closed space according to claim 1, wherein: one side fixedly connected with unable adjustment base (16) of linking baffle (8), pressure spring (17) have been cup jointed in the inside activity of unable adjustment base (16), one side fixedly connected with joint piece (18) of pressure spring (17), gaseous detector (7) have been cup jointed in the inside activity of front surface of linking baffle (8).

3. The device for detecting and exhausting gas in a closed space according to claim 1, wherein: the fan is characterized in that the outer side of the fan shell (1) is fixedly connected with an annular convex block, and the inner side of one end of the air pipe body (6) is fixedly connected with the outer side of the annular convex block.

4. The device for detecting and exhausting gas in a closed space according to claim 1, wherein: the front end and the rear end of the upper surface of the handle (3) are both provided with fixing bolts, and the bottom threads of the fixing bolts are sleeved on the inner portion of the upper surface of the fan outer cover (2).

5. The device for detecting and exhausting gas in a closed space according to claim 1, wherein: the number of the first connecting blocks (11) and the number of the second connecting blocks (12) are two, the first connecting blocks (11) are fixedly connected to the front end and the rear end of the fixed clamping sleeve (9) respectively, and the second connecting blocks (12) are fixedly connected to the front end and the rear end of the movable clamping sleeve (10) respectively.

6. The device for detecting and exhausting gas in a closed space according to claim 1, wherein: a round hole is formed in one side of the fan outer cover (2), and one end of the air pipe body (6) is movably sleeved in the round hole.

7. The device for detecting and exhausting gas in a closed space according to claim 2, wherein: clamping grooves (19) are formed in the two sides of the gas detector (7), and clamping blocks (18) are movably sleeved on the inner sides of the clamping grooves (19).