Expansion fireproof casing pipe capable of being quickly connected in penetrating mode

Abstract

The utility model discloses a rapid cross-under expansion fireproof sleeve, and particularly relates to the technical field of cable fireproof plugging structures, the rapid cross-under expansion fireproof sleeve comprises a sleeve, the outer side of the sleeve is fixedly connected with a spacing ring, and the outer side of the sleeve is provided with a splicing mechanism; the splicing mechanism comprises a first connecting frame, one side of the first connecting frame is fixedly connected with one side of a sleeve, the other side of the sleeve is fixedly connected with a second connecting frame, a plurality of springs are fixedly connected to the inner side of the first connecting frame, one end of each spring is fixedly connected with a sliding block, and one side of each sliding block is fixedly connected with a buckle. According to the utility model, through the modularized plug-in structure of the first connecting frame and the second connecting frame, free splicing of the fireproof sleeve to walls with different thicknesses is realized, stress is effectively dispersed through sectional connection, and the vibration resistance and the installation flexibility are improved; and meanwhile, an elastic sealing mechanism formed by the silica gel ring and the cavity is adopted to be adaptively attached to the edges of cables with different diameters, so that the connection stability and the sealing performance under the temperature change are ensured, and the adaptation capability and the protection efficiency of the fireproof sleeve are optimized.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable fireproof plugging structure technical field more specifically, the utility model relates to the expansion fireproof sleeve pipe of quick through connection. BACKGROUND

[0002] In the field of construction, the fire wall refers to the non-combustible wall body with a fire resistance limit not less than three hours for preventing fire spreading to adjacent areas, used for dividing fire compartment or important separating component for preventing fire spreading between buildings. When the cable is arranged in the fire wall, fireproof plugging technology is usually used when the cable passes through the area with fire hazard such as flammable, explosive, high temperature and the like.

[0003] The existing conventional fireproof plugging material and construction basically use fireproof bag, fireproof mud, inorganic plugging material and the like as the fireproof plugging material, and the required parts are filled and plugged. After the above steps, the subsequent cable position cannot be adjusted, and it is also inconvenient for disassembly and maintenance in the later period.

[0004] According to the search, the fireproof plugging structure disclosed in the Chinese patent with the publication number CN219041322U can make the expansion fireproof material self-expand to block the square sleeve pipe according to the fire condition, so as to achieve the plugging effect, and also has the functions of convenient disassembly and maintenance and the like.

[0005] However, the above fireproof plugging structure has the following problems in actual use. When the square sleeve pipe is installed on the wall body with different thicknesses, if the length of the square sleeve pipe is shorter than the thickness of the wall body, the installation of the square sleeve pipe will not be flush with the wall surface, which affects the sealing effect of the sleeve pipe on the pipeline and the wall body. UTILITY MODEL CONTENT

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides the expansion fireproof sleeve pipe of quick through connection to solve the problems in the above background art.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] The utility model provides a quick expansion fireproof sleeve of interlocking, including the sleeve, the sleeve outside fixed connection limit ring, the sleeve outside is provided with splicing mechanism, the sleeve one side fixed connection has the connecting frame two of sleeve other side fixed connection, the connecting frame one inboard fixed connection has a plurality of springs, the spring one end fixed connection has the sliding block, the sliding block one side fixed connection has the buckle, the sliding block outside and connecting frame one inboard sliding connection, the connecting frame two one side is seted up the recess, the connecting frame two inboard sliding connection has two push block, the push block one side is seted up the card hole, the card hole inboard and buckle outside clasp, the push block one side fixed connection has the baffle, the baffle outside and connecting frame two inboard sliding connection, the push block one side fixed connection has two guide rod, the guide rod outside and connecting frame two inboard sliding connection, the guide rod outside sleeve has the spring no.

[0009] Through adopting the above technical scheme: the connecting frame one and the connecting frame two outside different sleeves are inserted into each other, and the corresponding sliding block and the buckle are used to clamp the push block and the card hole, so that the connection between different sleeves is stable, and different thickness walls can be freely assembled.

[0010] As a further description of the above technical scheme: the sealing mechanism includes two fixed plates one, the fixed plate one outside and the sleeve inboard fixed connection, the fixed plate one one side fixed connection has a plurality of fixed ring one, the fixed ring one inboard fixed connection has silica gel ring, the silica gel ring inboard is seted up the cavity, the sleeve inboard fixed connection has two fixed plates two, the sleeve inboard fixed connection has the expanded graphite plate, the sleeve outside screw connection has a plurality of screws, the fixed plate two outside fixed connection has two sliding frames, the sliding frame outside and the sleeve inboard sliding connection, the sliding frame outside is seted up a plurality of insertion holes, the fixed plate two one side fixed connection has a plurality of fixed ring two, the fixed ring two inboard fixed connection has push ring, the screw one end and insertion hole inboard insertion, the fixed plate one, fixed ring one and expanded graphite plate outside all are seted up a plurality of perforations.

[0011] Through adopting the above technical scheme: the plurality of silica gel rings and cavities in the sleeve inboard are used to fit the edges of the cable, so that the connection between the sleeve and the cable with different diameters is sealed.

[0012] The technical effects and advantages of the utility model are as follows:

[0013] 1. By setting, compared with the prior art, the connection frame one and the connection frame two between different sleeves are inserted to each other, so that the sleeve can be freely spliced according to different wall thicknesses to adapt to different installation requirements, and the segmented connection reduces the stress concentration of the whole, so that the fireproof sleeve has better vibration resistance during use, and the installation flexibility of the fireproof sleeve is improved.

[0014] 2. By setting the sealing mechanism, compared with the prior art, the elastic deformation of the silica gel ring and the cavity is used to fit the edges of the outer walls of cables with different diameters, so that the connection between the cable and the sleeve can be stable, and the gap caused by temperature change is avoided, and the connection sealing property between the fireproof sleeve and the cable with different diameters is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the right side structure of the utility model.

[0017] Figure 3 It is a schematic diagram of the connection frame one and the sliding block connection part.

[0018] Figure 4 It is a schematic diagram of the connection frame two and the push block connection part.

[0019] Figure 5 It is a schematic diagram of the fixed plate one and the fixed ring one connection part.

[0020] Figure 6 It is a schematic diagram of the fixed plate two and the sliding frame connection part.

[0021] Figure 7 It is a schematic diagram of the Figure 4 It is an enlarged schematic diagram of A.

[0022] The reference signs are: 1, sleeve; 2, limiting ring; 3, connection frame one; 4, connection frame two; 5, sliding block; 6, buckle; 7, groove; 8, push block; 9, clamping hole; 10, baffle; 11, guide rod; 12, spring two; 13, fixed plate one; 14, fixed ring one; 15, silica gel ring; 16, cavity; 17, fixed plate two; 18, sliding frame; 19, insertion hole; 20, fixed ring two; 21, push ring; 22, expanded graphite plate; 23, perforation; 24, screw; 25, spring. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts are within the scope of the present application.

[0024] The application discloses a quick connection and disconnection inflatable fireproof sleeve as shown in the accompanying drawings. Figures 1-7 The application discloses a quick connection and disconnection inflatable fireproof sleeve as shown in the accompanying drawings. The quick connection and disconnection inflatable fireproof sleeve comprises a sleeve 1, a limiting ring 2 fixedly connected to the outside of the sleeve 1, and a splicing mechanism arranged on the outside of the sleeve 1. The splicing mechanism comprises a connecting frame one 3 fixedly connected to one side of the sleeve 1, a connecting frame two 4 fixedly connected to the other side of the sleeve 1, a plurality of springs 25 fixedly connected to the inner side of the connecting frame one 3, a sliding block 5 fixedly connected to one end of the springs 25, a buckle 6 fixedly connected to one side of the sliding block 5, the sliding block 5 being slidably connected to the inner side of the connecting frame one 3, a groove 7 formed in one side of the connecting frame two 4, two push blocks 8 slidably connected to the inner side of the connecting frame two 4, a clamping hole 9 formed in one side of the push block 8, the clamping hole 9 being clamped to the outer side of the buckle 6, a baffle 10 fixedly connected to one side of the push block 8, the baffle 10 being slidably connected to the inner side of the connecting frame two 4, two guide rods 11 fixedly connected to one side of the push block 8, the guide rods 11 being slidably connected to the inner side of the connecting frame two 4, a spring two 12 sleeved to the outer side of the guide rod 11, and one end of the spring two 12 being fixedly connected to the inner side of the connecting frame two 4. The sleeve 1 is provided with a sealing mechanism, the connecting frame one 3 on one side of one of the sleeves 1 is inserted into the groove 7 in the connecting frame two 4 on the other sleeve 1, and the two sliding blocks 5 and the buckle 6 on the inner side of the connecting frame one 3 are clamped to the two push blocks 8 and the clamping hole 9 on the inner side of the connecting frame two 4, so that the sleeves 1 are connected and assembled, the corresponding buckle 6 is pushed into the connecting frame one 3 under the guidance of the clamping hole 9, the corresponding push block 8 is pushed back to the original position by the corresponding spring two 12, and the sleeves 1 can be quickly separated.

[0025] Referring to Figure 1 , Figure 5 and Figure 6As shown, the sealing mechanism includes two fixed plates 13, the outer side of the fixed plate 13 is fixedly connected with the inner side of the sleeve 1, one side of the fixed plate 13 is fixedly connected with a plurality of fixed rings 14, the inner side of the fixed ring 14 is fixedly connected with a silica gel ring 15, the inner side of the silica gel ring 15 is provided with a cavity 16, the inner side of the sleeve 1 is fixedly connected with two fixed plates 17, the inner side of the sleeve 1 is fixedly connected with an expanded graphite plate 22, the outer side of the sleeve 1 is threadedly connected with a plurality of screws 24, the outer side of the fixed plate 17 is fixedly connected with two sliding frames 18, the outer side of the sliding frame 18 is slidingly connected with the inner side of the sleeve 1, the outer side of the sliding frame 18 is provided with a plurality of insertion holes 19, one side of the fixed plate 17 is fixedly connected with a plurality of fixed rings 20, the inner side of the fixed ring 20 is fixedly connected with a push ring 21, one end of the screw 24 is inserted into the inner side of the insertion hole 19, and the outer sides of the fixed plate 13, the fixed ring 14 and the expanded graphite plate 22 are all provided with a plurality of perforations 23, the plurality of fixed rings 20 and the push ring 21 are driven by the fixed plate 17 to push the plurality of silica gel rings 15 and the cavity 16 on one side of the fixed plate 13, so that the silica gel ring 15 and the cavity 16 can be extruded to deform, and the inner wall of the silica gel ring 15 can be kept in close contact with the inner wall of the cable.

[0026] The utility model discloses working principle: in the process of installing sleeve 1 to the thicker wall, first according to the thickness of the wall selects a plurality of sleeve 1 and splices, makes the cable in order through the inner side of two fixed plates 13, fixed plate 17 and expanded graphite plate 22 of sleeve 1, makes the cable from the other end of sleeve 1 stretch out, after again the one end of cable is passed through the other side sleeve 1, makes the connecting frame two 4 of another sleeve 1 one end and recess 7 can with the first connecting frame one 3 outer side carry out the insertion of the same time, utilize the inner wall of connecting frame two 4 to push the buckle 6 and sliding block 5 that the connecting frame one 3 outer side stretches out, then through the push of corresponding two springs 25 push block 8 one side's card hole 9 of sliding block 5 and buckle 6 is connected, makes two sleeve 1 can splice, then unscrews two screws 24 of sleeve 1 towards the outer side, again pushes the fixed plate 17 of one side of sleeve 1 to the middle region of sleeve 1, the fixed plate 17 is under the guidance of two sliding frames 18, makes the fixed plate 17 drive a plurality of fixed rings 20 and push ring 21 to push the silica gel ring 15 on the corresponding fixed plate 13 one side, through the push of silica gel ring 15, makes silica gel ring 15 in the inner side of fixed ring 14 and deforms, makes the inner side of silica gel ring 15 and the cable edge keep in close contact, make two sleeve 1 outer side and the contact surface of cable keep sealed.

[0027] The contents not described in detail in the specification all belong to the prior art known to those skilled in the art, and the model parameters of various electric appliances are not specifically limited, and conventional equipment can be used. In the technical solution, the electric appliance control elements not mentioned belong to the prior art, so they are not shown in the drawings and will not be described here.

[0028] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. Rapidly spliced intumescent fire sleeve comprising a sleeve (1), characterized in that: The sleeve (1) is fixedly connected with a limiting ring (2) outside, and the sleeve (1) is provided with a splicing mechanism outside; The splicing mechanism comprises a connecting frame one (3), one side of the connecting frame one (3) is fixedly connected with one side of the sleeve (1), the other side of the sleeve (1) is fixedly connected with a connecting frame two (4), the inner side of the connecting frame one (3) is fixedly connected with a plurality of springs (25), one end of the spring (25) is fixedly connected with a sliding block (5), one side of the sliding block (5) is fixedly connected with a buckle (6), and the outer side of the sliding block (5) is slidably connected with the inner side of the connecting frame one (3); The sleeve (1) is provided with a sealing mechanism inside.

2. The rapid splicing, inflation fire barrier sleeve of claim 1, wherein: The connecting frame two (4) is provided with a groove (7) on one side, the inner side of the connecting frame two (4) is slidably connected with two push blocks (8), the push block (8) is provided with a clamping hole (9) on one side, and the inner side of the clamping hole (9) is clamped with the outer side of the buckle (6).

3. The rapid splicing, inflation fire barrier sleeve of claim 2, wherein: The push block (8) is fixedly connected with a baffle (10) on one side, the outer side of the baffle (10) is slidably connected with the inner side of the connecting frame two (4), the push block (8) is fixedly connected with two guide rods (11) on one side, and the outer side of the guide rod (11) is slidably connected with the inner side of the connecting frame two (4).

4. The rapid splicing, inflation fire barrier sleeve of claim 3, wherein: The outer side of the guide rod (11) is sleeved with a spring two (12), and one end of the spring two (12) is fixedly connected with the inner side of the connecting frame two (4).

5. The rapid splicing, inflation fire barrier sleeve of claim 1, wherein: The sealing mechanism comprises two fixed plates one (13), the outer side of the fixed plate one (13) is fixedly connected with the inner side of the sleeve (1), a plurality of fixed rings one (14) are fixedly connected on one side of the fixed plate one (13), the inner side of the fixed ring one (14) is fixedly connected with a silica gel ring (15), the inner side of the silica gel ring (15) is provided with a cavity (16), the inner side of the sleeve (1) is fixedly connected with two fixed plates two (17), the inner side of the sleeve (1) is fixedly connected with an expanded graphite plate (22), and the outer side of the sleeve (1) is threadedly connected with a plurality of screws (24).

6. The rapid splicing, inflation fire barrier sleeve of claim 5, wherein: The outer side of the fixed plate two (17) is fixedly connected with two sliding frames (18), the outer side of the sliding frame (18) is slidably connected with the inner side of the sleeve (1), a plurality of jack holes (19) are formed in the outer side of the sliding frame (18), a plurality of fixed rings two (20) are fixedly connected on one side of the fixed plate two (17), and the inner side of the fixed ring two (20) is fixedly connected with a push ring (21).

7. The rapid splicing, inflation fire barrier sleeve of claim 5, wherein: One end of the screw (24) is inserted into the inner side of the jack hole (19), a plurality of perforations (23) are formed in the outer side of the fixed plate one (13), the fixed ring one (14) and the expanded graphite plate (22).

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