CN220488509U

CN220488509U - Fireproof plugging device for limited space

Info

Publication number: CN220488509U
Application number: CN202322026598.9U
Authority: CN
Inventors: 卢鹏举; 雷延武; 郭峰; 张猛; 刘仁超; 朱辉; 赵培云; 校林丛; 苏豪; 王石垒; 廖人杰; 张毅
Original assignee: Electrical Engineering Co Ltd of China Railway Seventh Group Co Ltd
Current assignee: Electrical Engineering Co Ltd of China Railway Seventh Group Co Ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-02-13
Anticipated expiration: 2033-07-31

Abstract

The present utility model relates to pipes; pipe joints or fittings; support for pipes, cables or protective tubing; the utility model provides a general adiabatic method technical field, and discloses a limited space fire prevention plugging device, including the fixed pipe, the surface of fixed pipe is provided with the external screw thread, the fixed pipe passes through the inside of external screw thread threaded connection at the pipeline, two joint grooves have been seted up to the internal surface of fixed pipe, two joint grooves are set up from top to bottom, the inside of fixed pipe is provided with the shutoff piece, two joint grooves have been seted up to the surface of shutoff piece, two joint grooves are set up from top to bottom, the ring groove has been seted up to the inside of shutoff piece, the ring groove sets up the front side in the joint groove, the connecting hole has all been seted up to the front wall in two joint grooves, through this kind of mode, can make fire prevention plugging device and the function that the pipeline is in the same place through the mode of joint, it is more simple swift to want when carrying out the dismouting for fire prevention plugging device's inspection efficiency improves greatly.

Description

Fireproof plugging device for limited space

Technical Field

The present utility model relates to pipes; pipe joints or fittings; support for pipes, cables or protective tubing; the technical field of a general heat insulation method, in particular to a limited space fireproof blocking device.

Background

The fire-proof blocking is used for blocking various penetrating matters, such as cables, air pipes, oil pipes, air pipes and the like, passing through wall (bin) walls, various openings formed by building (A) plates and fireproof separation of cable bridges so as to prevent fire from spreading through the openings and the gaps, namely, the fire-proof blocking is used for sealing the holes formed by the cables or the pipelines passing through the wall or the floor by using a fire-proof blocking material, and has the function of preventing the fire from spreading to the adjacent areas of fire sources, thereby achieving the aim of protecting personnel and equipment safety; the heat absorption and heat insulation are used for reducing the temperature of the back fire surface of the penetrating object, preventing the combustible material on the back fire surface from spontaneous combustion, and the limited space refers to a space which is closed or partially closed, is relatively isolated from the outside, has a narrow entrance and exit, cannot work for a long time, has poor natural ventilation, and is easy to cause toxic and harmful substances to accumulate or has insufficient oxygen content.

The operation personnel can not work for a long time in the limited space, so the simple and quick installation should be guaranteed when installing the fireproof plugging device, the fireproof plugging device of pipeline is usually connected through screw threads and bolts when installing, in order to guarantee that the fireproof plugging device can effectively prevent fires when the fire disaster occurs, the frequent inspection is required to be carried out on the fireproof plugging device, the inspection is required to be dismantled when the fireproof plugging device is inspected, the fireproof plugging device is required to be dismantled from the pipeline when the inspection is completed, the installation is carried out again after the inspection is completed, the dismounting speed is slow due to the connection mode, and the inspection efficiency of the fireproof plugging device is low.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the limited space fireproof blocking device, which has the function of connecting the fireproof blocking device with a pipeline in a clamping manner, is simpler and quicker when being disassembled and assembled, and greatly improves the inspection efficiency of the fireproof blocking device.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a limited space fire prevention plugging device, includes the fixed pipe, the surface of fixed pipe is provided with the external screw thread, the fixed pipe passes through the inside of external screw thread threaded connection at the pipeline, two joint grooves have been seted up to the internal surface of fixed pipe, two joint grooves are set up from top to bottom, the inside of fixed pipe is provided with the shutoff piece, two joint grooves have been seted up to the surface of shutoff piece, two joint grooves are set up from top to bottom, the ring groove has been seted up to the inside of shutoff piece, the ring groove sets up the front side at the joint groove, the connecting hole has all been seted up to the front wall of two joint grooves, the inside of ring groove is all extended into to the front side of two connecting holes, the rotation groove has been seted up to the front side of shutoff piece, the back wall of rotation groove extends into the inside of ring groove.

Preferably, the inside sliding connection of joint groove has the joint, and the downside fixedly connected with spring of joint, the lower extreme fixed connection of spring are on the diapire in joint groove, and the left side of joint is the flank of tooth.

Preferably, the left side meshing of joint is connected with first gear, and the front side fixedly connected with connecting axle of first gear, connecting axle extend into the inside of ring groove through the connecting hole, and the front end fixedly connected with second gear of connecting axle.

Preferably, the inside of the circular ring groove is rotationally connected with a circular ring, the inner surface of the circular ring is a tooth surface, and the second gear is meshed with the inner surface of the circular ring.

Preferably, the lower side the inside of joint groove is same be provided with the joint, and the connection structure of two joints is the same and be mirror image setting, and the front side fixedly connected with two connecting blocks of ring.

Preferably, the front sides of the two connecting blocks extend out of the front sides of the plugging blocks through rotating grooves, the front sides of the plugging blocks are provided with connecting handles, the upper sides of the connecting handles are fixedly connected with the lower sides of the upper connecting blocks, and the lower sides of the connecting handles are fixedly connected with the upper sides of the lower connecting blocks.

(III) beneficial effects

Compared with the prior art, the utility model provides a limited space fireproof plugging device, which has the following beneficial effects:

(1) This limited space fire prevention plugging device just can be connected the internal surface of fixed pipe and pipeline in advance through after the pipeline installation is accomplished, later install the inside of fixed pipe with the shutoff piece, when installing the shutoff piece, the staff only need with the shutoff piece after aiming at the fixed pipe push backward, the inclined plane of joint can be at first with the front side of fixed pipe contact, the joint can be extruded and move to the inside of joint groove, the spring begins to become compressed state this moment, wait until after the shutoff piece moved to the assigned position, the joint can cooperate with the joint groove, the spring is reset from compressed state begins, promote the joint to remove the inside of joint groove and form the joint state, just at this moment, the mode of just accomplishing fire prevention plugging device's installation, can make fire prevention plugging device and pipeline link together through the mode of joint, the time of dismouting need more simple and fast, make fire prevention plugging device's inspection efficiency improve greatly.

(2) This limited space fire prevention plugging device, through when the needs are dismantled and are examined, the staff rotates the connection handle clockwise, connection handle drives the connecting block and rotates in step, the connecting block drives the ring and rotates in step, the ring drives two second gears that the meshing is connected and rotates in step, two second gears drive two connecting shafts and rotate in step, two connecting shafts drive two first gears and rotate in step, two clamping joints that two first gears drive the meshing and connect remove to the inside of two clamping joint grooves respectively, the joint state of clamping joint and clamping groove is relieved this moment, later the staff just can take off the mode of examining with the shutoff piece to the front side pulling connection handle, can drive the removal of two clamping joints through a rotation handle, make fire prevention plugging device's dismouting can be more simple quick, the further inspection efficiency that has improved fire prevention plugging device.

Drawings

FIG. 1 is a schematic view of a limited space fire-blocking device according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a fixing tube according to the present utility model;

FIG. 3 is a schematic diagram of a cross-sectional connecting structure of a plugging block according to the present utility model;

fig. 4 is a schematic diagram of a driving connection structure of the bayonet coupling of the present utility model.

In the figure: 1. a fixed tube; 11. a clamping groove; 2. a block; 21. a clamping joint groove; 22. circular ring grooves; 23. a connection hole; 24. a rotating groove; 3. a clamping joint; 31. a spring; 4. a first gear; 41. a connecting shaft; 42. a second gear; 5. a circular ring; 51. a connecting block; 52. and a connecting handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a new technical solution: the utility model provides a limited space fire prevention plugging device, including fixed pipe 1, the surface of fixed pipe 1 is provided with the external screw thread, fixed pipe 1 passes through external screw thread threaded connection in the inside of pipeline, two joint groove 11 have been seted up to the internal surface of fixed pipe 1, two joint groove 11 are the upper and lower setting, the inside of fixed pipe 1 is provided with shutoff piece 2, two joint groove 21 have been seted up to the surface of shutoff piece 2, two joint groove 21 are the upper and lower setting, annular groove 22 has been seted up to the inside of shutoff piece 2, annular groove 22 sets up in the front side of joint groove 21, connecting hole 23 has all been seted up to the front wall of two joint grooves 21, the front side of two connecting hole 23 all extends into the inside of annular groove 22, rotary groove 24 has been seted up to the front side of shutoff piece 2, the rear wall of rotary groove 24 extends into the inside of annular groove 22, the inside sliding connection of upside joint groove 21 has joint 3, the lower side of the clamping connector 3 is fixedly connected with a spring 31, the lower end of the spring 31 is fixedly connected to the bottom wall of the clamping connector groove 21, the clamping connector 3 is trapezoid and is arranged forwards on an inclined plane, the left side of the clamping connector 3 is a tooth surface, the left side of the clamping connector 3 is connected with a first gear 4 in a meshed mode, the front side of the first gear 4 is fixedly connected with a connecting shaft 41, the connecting shaft 41 extends into the circular groove 22 through a connecting hole 23, the front end of the connecting shaft 41 is fixedly connected with a second gear 42, the inside of the circular groove 22 is rotatably connected with a circular ring 5, the inner surface of the circular ring 5 is a tooth surface, the second gear 42 is connected with the inner surface of the circular ring 5 in a meshed mode, the clamping connector 3 is arranged in the same inside of the clamping connector groove 21 on the lower side, the connecting structures of the two clamping connectors 3 are the same and are in a mirror image mode, the front side of the circular ring 5 is fixedly connected with two connecting blocks 51, the front sides of the two connecting blocks 51 extend out of the front side of the plugging block 2 through the rotating groove 24, the front side of the plugging block 2 is provided with a connecting handle 52, the upper side of the connecting handle 52 is fixedly connected with the lower side of the upper connecting block 51, the lower side of the connecting handle 52 is fixedly connected with the upper side of the lower connecting block 51, when the pipeline installation is finished, the fixed pipe 1 and the inner surface of the pipeline can be connected in advance, then the plugging block 2 is installed in the fixed pipe 1, when the plugging block 2 is installed, a worker only needs to push the plugging block 2 backwards after aligning the fixed pipe 1, the inclined surface of the clamping connector 3 is firstly contacted with the front side of the fixed pipe 1, the clamping connector 3 is extruded to move towards the inner side of the clamping connector groove 21, the spring 31 starts to be in a compressed state at the moment, after the plugging block 2 moves to a designated position, when the clamping connector 3 can be matched with the clamping groove 11, the spring 31 is reset from the compressed state to push the clamping connector 3 to move into the clamping groove 21 to form the clamping state, the installation of the fireproof plugging device is completed, when the fireproof plugging device needs to be detached for inspection, a worker rotates the connecting handle 52 clockwise, the connecting handle 52 drives the connecting block 51 to synchronously rotate, the connecting block 51 drives the ring 5 to synchronously rotate, the ring 5 drives the two second gears 42 in meshed connection to synchronously rotate, the two second gears 42 drive the two connecting shafts 41 to synchronously rotate, the two connecting shafts 41 drive the two first gears 4 to synchronously rotate, the two clamping connectors 3 in meshed connection are respectively driven to move into the two clamping grooves 21, the clamping state of the clamping connector 3 and the clamping groove 11 is relieved, after that, the worker pulls the connection handle 52 to the front side to take down the plugging block 2, and after the inspection, the plugging block 2 is installed in the fixing tube 1 according to the above, in this way, the function of connecting the fireproof plugging device with the pipeline in a clamping manner is achieved, and the assembly and disassembly are simpler and quicker, so that the inspection efficiency of the fireproof plugging device is greatly improved.

Working principle: when the pipe is installed, the fixed pipe 1 and the inner surface of the pipe can be connected in advance, then the plugging block 2 is installed in the fixed pipe 1, when the plugging block 2 is installed, a worker only needs to push the plugging block 2 backwards after aligning the fixed pipe 1, the inclined surface of the clamping connector 3 is firstly contacted with the front side of the fixed pipe 1, the clamping connector 3 is extruded to move towards the inside of the clamping connector groove 21, at the moment, the spring 31 starts to be in a compressed state, when the clamping connector 3 can be matched with the clamping connector groove 11 after the plugging block 2 moves to a specified position, the spring 31 starts to reset from the compressed state, the clamping connector 3 is pushed to move into the clamping connector groove 21 to form a clamping connection state, at the moment, the installation of the fireproof plugging device is completed, when the connecting handle 52 is required to be detached for inspection, the connecting handle 52 drives the connecting block 51 to synchronously rotate, the connecting block 51 drives the ring 5 to synchronously rotate, the ring 5 drives the two second gears 42 which are in meshed connection to synchronously rotate, the two second gears 42 drive the two connecting shafts 41 to synchronously rotate, the two connecting shafts 41 drive the two first gears 4 to synchronously rotate, the two first gears 4 drive the two clamping heads 3 which are in meshed connection to respectively move towards the inner parts of the two clamping head grooves 21, at the moment, the clamping states of the clamping heads 3 and the clamping grooves 11 are released, then the blocking block 2 can be taken down by pulling the connecting handle 52 towards the front side by the staff, and the blocking block 2 is installed in the fixed pipe 1 according to the above after the inspection.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a limited space fire prevention plugging device, includes fixed pipe (1), its characterized in that: the utility model discloses a fixing tube, including fixed tube (1), connecting hole (23) have been seted up to the surface of fixed tube (1), two joint grooves (11) have been seted up through the inside of external screw thread threaded connection at the pipeline, two joint grooves (11) are set up from top to bottom, the inside of fixed tube (1) is provided with shutoff piece (2), two joint grooves (21) have been seted up to the surface of shutoff piece (2), two joint grooves (21) are set up from top to bottom, ring groove (22) have been seted up to the inside of shutoff piece (2), ring groove (22) set up the front side in joint groove (21), connecting hole (23) have all been seted up to the front wall of two joint grooves (21), the inside of ring groove (22) has all been extended to the front side of two connecting holes (23), rotary groove (24) have been seted up to the front side of shutoff piece (2), the back wall of rotary groove (24) extends into the inside of ring groove (22).

2. A limited space fire blocking device according to claim 1, wherein: the inside sliding connection of joint groove (21) of upside has joint (3), and the downside fixedly connected with spring (31) of joint (3), the lower extreme fixed connection of spring (31) is on the diapire of joint groove (21), and the left side of joint (3) is the flank of tooth.

3. A limited space fire blocking device according to claim 2, wherein: the left side meshing of joint (3) is connected with first gear (4), and the front side fixedly connected with connecting axle (41) of first gear (4), connecting axle (41) are through inside connecting hole (23) extension in circular groove (22), and the front end fixedly connected with second gear (42) of connecting axle (41).

4. A limited space fire blocking device according to claim 1, wherein: the inside rotation of ring groove (22) is connected with ring (5), and the internal surface of ring (5) is the flank of tooth, and second gear (42) is connected with the internal surface meshing of ring (5).

5. The limited space fire blocking device according to claim 4, wherein: the inside of downside joint groove (21) is same be provided with joint (3), and the connection structure of two joints (3) is the same and is mirror image setting, and the front side fixedly connected with of ring (5) two connecting blocks (51).

6. The limited space fire blocking device according to claim 5, wherein: the front sides of the two connecting blocks (51) extend out of the front side of the plugging block (2) through the rotating groove (24), the front side of the plugging block (2) is provided with a connecting handle (52), the upper side of the connecting handle (52) is fixedly connected with the lower side of the upper connecting block (51), and the lower side of the connecting handle (52) is fixedly connected with the upper side of the lower connecting block (51).