Switch splicing and stacking device

Abstract

The utility model provides a switch splicing and stacking device, which relates to the technical field of switches, and comprises a splicing and stacking shell, a splicing and stacking type switch, an air exhaust and heat dissipation pipeline, an air exhaust branch pipe and an air inlet hole, the device adopts the splicing shell to place the vertically-stacked splicing switches, the size of the splicing shell is designed according to the overall dimensions of the splicing switches, the splicing shell is suitable for splicing placement of the same kind of switches, and the outer walls of the splicing switches are attached to the inner walls of the splicing shell. The problem of sideslip and toppling of the stacked switchboards is avoided, the air exhaust and heat dissipation pipelines extend into the positions between the vertically stacked switchboards and the positions between the stacked switchboards and the inner wall of the stacked shell through the air exhaust branch pipes to exhaust hot air, the hot air is discharged to the outside, and centralized heat dissipation is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of switches, in particular to a switch stacking device. Background Art

[0002] A switch is a network device used to forward electrical signals. It can provide an exclusive electrical signal path for any two network nodes connected to the switch.

[0003] In the prior art, when a large number of switches are stacked, not only is there a problem of the stacked switches sliding and falling, but also it is not convenient for centralized heat dissipation. There is a lack of a device that assists the stacking of switches and facilitates centralized heat dissipation. Utility Model Content

[0004] The purpose of the utility model is to provide a switch stacking device, which has the advantages of assisting switches in being stacked and facilitating centralized heat dissipation, thereby solving the technical problem in the prior art that when a large number of switches are stacked, not only the stacked switches may slide and fall, but also centralized heat dissipation is not convenient.

[0005] The utility model provides a switch stacking device, comprising:

[0006] The stacked shell has an open front design;

[0007] Stackable switches, which are stacked up and placed in a stackable housing;

[0008] The outer wall of the stackable switch is fitted with the inner wall of the stackable housing;

[0009] The exhaust and heat dissipation pipeline has its rear end fixedly mounted on the back plate of the stacked housing;

[0010] The exhaust end of the exhaust heat dissipation pipeline is located outside the stacked shell, and an exhaust branch pipe is provided at the front end of the exhaust heat dissipation pipeline;

[0011] The air extraction branch pipe is inserted between the stackable switches stacked up and down, and between the stackable switches and the inner wall of the stackable housing;

[0012] The air extraction branch pipe is evenly provided with air inlet holes.

[0013] As a further optimization solution, in order to achieve stable stacking of the switch bodies and facilitate the insertion of the exhaust branch pipe between the upper and lower switch bodies, the stackable switch includes:

[0014] The switch body has strip blocks fixedly mounted on the left and right sides of its bottom along the length direction, and strip slots are opened on the bottom of the strip blocks along the length direction;

[0015] A strip-shaped insertion block is fixedly assembled on the upper surface of the switch body corresponding to the position of the strip-shaped slot;

[0016] The strip-shaped insertion block of the stackable switch is inserted into the strip-shaped slot of the adjacent stackable switch.

[0017] As a further optimization scheme, in order to achieve good heat dissipation of the stackable switches placed in a stack, the air extraction and heat dissipation pipeline includes:

[0018] An exhaust pipeline, which is longitudinally fixedly assembled on the outer wall of the back plate of the stacked housing;

[0019] The rear end of the air extraction branch pipe is fixedly assembled on the rear side of the inner wall of the stacked housing;

[0020] The rear end of the air extraction branch pipe is fixedly communicated with the exhaust pipeline through a connecting pipe.

[0021] As a further optimization scheme, in order to facilitate the discharge of the hot air extracted by the air extraction branch pipe, the exhaust pipeline includes:

[0022] A longitudinal pipe, which is longitudinally fixedly assembled on the outer wall of the back plate of the stacked housing;

[0023] The lower end of the longitudinal pipe is fixedly communicated with an exhaust nozzle;

[0024] An exhaust pump is fixedly assembled on the longitudinal pipe;

[0025] The rear end of the air extraction branch pipe is fixedly communicated with the longitudinal pipe through a connecting pipe.

[0026] As a further optimization scheme, in order to facilitate the heat dissipation of the stackable switches placed in a stack, the air extraction branch pipe includes:

[0027] A horizontal pipe, the two ends of which are designed to be sealed;

[0028] The horizontal pipe is fixedly assembled on the rear side of the inner wall of the stacked housing, and the horizontal pipe is fixedly communicated with the longitudinal pipe through a connecting pipe;

[0029] The front wall of the horizontal pipe is uniformly and fixedly communicated with a branch pipe body;

[0030] The air inlet holes are uniformly opened on the upper and lower surfaces of the branch pipe body;

[0031] A sealing cap is fixedly assembled at the front end of the branch pipe body.

[0032] As a further optimization scheme, in order to be able to adjust the internal space size of the stacked housing when needed, the stacked housing includes:

[0033] A lower half shell, the upper end of which is slidably sleeved with an upper half shell;

[0034] The front ends of the lower half shell and the upper half shell are both designed to be open;

[0035] A limit bolt is screwed at the lower edge of the outer wall of the upper half shell, and the end of the limit bolt abuts against the outer wall of the lower half shell;

[0036] The longitudinal pipe is longitudinally fixedly assembled on the outer wall of the back plate of the upper half shell.

[0037] As a further optimization scheme, in order to realize the fixed installation of the upper end of the longitudinal pipe, a positioning slot is fixedly pasted on the back surface of the upper half shell corresponding to the longitudinal pipe, and the upper end of the longitudinal pipe is fixedly inserted into the positioning slot.

[0038] As a further optimization scheme, in order to slide-guide the position where the stackable switch is inserted into the lower end of the inner cavity of the stacking shell, a sliding guide structure is assembled between the outer wall of the stackable switch and the lower end of the inner wall of the stacking shell, which includes:

[0039] Strip-shaped chutes, two of which are symmetrically arranged left and right, and the two strip-shaped chutes are respectively arranged on the left and right sides of the inner wall of the stacking shell;

[0040] Strip-shaped sliders are fixedly pasted on the outer wall of the stackable switch corresponding to the two strip-shaped chutes on both sides;

[0041] The strip-shaped sliders are slidably assembled in the strip-shaped chutes on the same side.

[0042] As a further optimization scheme, in order to buffer the vibration received by the stacking shell, a shock-absorbing support seat is fixedly assembled at the lower end of the stacking shell, which includes:

[0043] A top plate, which is fixedly assembled at the lower end of the stacking shell;

[0044] A pressing plate is fixedly assembled in the middle of the bottom surface of the top plate;

[0045] A groove body, on the upper edge of which an elastic rubber strip is pasted;

[0046] The pressing plate is slidably inserted into the groove body, and the upper end of the elastic rubber strip abuts against the bottom surface of the top plate;

[0047] Elastic buffer members are uniformly fixedly assembled on the bottom surface of the inner cavity of the groove body, and the upper ends of the elastic buffer members abut against the lower end of the pressing plate.

[0048] As a further optimization scheme, in order to buffer the vibration received, the elastic buffer member includes:

[0049] An arc-shaped elastic metal plate, the convex part of which abuts against the lower end of the pressing plate;

[0050] A connecting ear plate is integrally formed on one side edge of the arc-shaped elastic metal plate;

[0051] A fixing bolt is assembled at the position between the connecting ear plate and the bottom surface of the inner cavity of the groove;

[0052] The other side of the arc-shaped elastic metal plate is slidably attached to the bottom surface of the inner cavity of the groove.

[0053] The present utility model provides a switch stacking device through improvement. Compared with the prior art, it has the following improvements and advantages:

[0054] The device uses a stacked outer shell to place stackable switches stacked up and down. The size of the stacked outer shell is designed according to the external shape size of the stackable switch, which is suitable for the stacked placement of the same type of switch. The outer wall of the stackable switch is attached to the inner wall of the stacked outer shell, avoiding the problem of side-slip and tipping of the stackable switches placed in a stacked manner. The air extraction and heat dissipation pipeline extends into the position between the stackable switches stacked up and down and the position between the stackable switch and the inner wall of the stacked outer shell through the air extraction branch pipe to extract hot air and discharge it to the outside, facilitating centralized heat dissipation. Description of the Drawings

[0055] In order to more clearly illustrate the specific implementation manners of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required to be used in the description of the specific implementation manners or the prior art. Obviously, the following drawings are some implementation manners of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0056] Figure 1 It is a schematic structural diagram of the present utility model;

[0057] Figure 2 It is a schematic structural diagram of the stackable switch of the present utility model;

[0058] Figure 3 It is a schematic structural diagram of the air extraction and heat dissipation pipeline of the present utility model;

[0059] Figure 4 It is a schematic structural diagram of the exhaust pipeline of the present utility model;

[0060] Figure 5 It is a schematic sectional view of the shock-absorbing support seat structure of the present utility model.

[0061] Description of the reference numerals:

[0062] 1 - Stacked housing, 11 - Lower half housing, 12 - Upper half housing, 13 - Limit bolt, 2 - Stackable switch, 21 - Switch body, 22 - Strip block, 23 - Strip slot, 24 - Strip insert block, 3 - Exhaust and heat dissipation pipeline, 31 - Exhaust pipeline, 311 - Longitudinal pipe, 312 - Exhaust nozzle, 313 - Exhaust pump, 32 - Exhaust branch pipe, 321 - Cross pipe, 322 - Branch pipe body, 323 - Air inlet hole, 324 - Plugging cap, 4 - Sliding guide structure, 41 - Strip chute, 42 - Strip slider, 5 - Shock absorption support seat, 51 - Top plate, 52 - Pressing plate, 53 - Groove body, 54 - Elastic rubber strip, 55 - Elastic buffer, 551 - Arc-shaped elastic metal plate, 552 - Connecting ear plate, 553 - Fixing bolt, 6 - Positioning slot. Detailed implementation mode

[0063] The technical solutions of the present utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative work shall fall within the protection scope of the present utility model.

[0064] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0065] In the description of the present utility model, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, "a plurality" means two or more, unless otherwise specifically defined. In addition, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0066] Please refer to Figures 1-5 , the present utility model provides a technical solution: a switch stacking device, comprising:

[0067] A stacking housing 1, which has an open front end. The stacking housing 1 is rectangular as a whole, and the open front end is used to put in and take out the stackable switch 2;

[0068] The stackable switch 2 is stacked up and down in the stacking housing 1;

[0069] The outer wall of the stackable switch 2 fits against the inner wall of the stacking housing 1. The size of the stacking housing 1 is designed according to the external dimension of the stackable switch 2, which is suitable for stacking the same type of stackable switch 2, effectively avoiding the problem of the stacked switches slipping and falling;

[0070] An air extraction and heat dissipation pipeline 3, whose rear end is fixedly assembled on the back plate of the stacking housing 1;

[0071] The exhaust end of the air extraction and heat dissipation pipeline 3 is located outside the stacking housing 1 for exhausting air. The front end of the air extraction and heat dissipation pipeline 3 is provided with an air extraction branch pipe 32, and the air extraction branch pipe 32 is used to extract the hot air around the stackable switch 2;

[0072] The air extraction branch pipe 32 is inserted at the position between the stackable switches 2 stacked up and down and at the position between the stackable switch 2 and the inner wall of the stacking housing 1;

[0073] The air extraction branch pipe 32 is evenly provided with air inlet holes 323, and the hot air around the stackable switch 2 enters the air extraction branch pipe 32 through the air inlet holes 323 and is then extracted;

[0074] In some embodiments, in order to realize the stable stacking of the switch main body 21 up and down and facilitate the insertion of the air extraction branch pipe 32 between the switch main bodies 21 on the upper and lower sides, the stackable switch 2 includes:

[0075] A switch main body 21, on both left and right sides of the bottom surface of which along the length direction, strip-shaped blocks 22 are fixedly assembled, and strip-shaped slots 23 are opened along the length direction on the bottom surface of the strip-shaped blocks 22;

[0076] Corresponding to the position of the strip-shaped slot 23 on the upper surface of the switch main body 21, strip-shaped inserts 24 are fixedly assembled;

[0077] The strip-shaped insert 24 of the stackable switch 2 is inserted into the strip-shaped slot 23 of the adjacent stackable switch 2. The arrangement of the strip-shaped blocks 22 makes a gap formed between the switch main bodies 21 on the upper and lower sides of the stack, which is convenient for the insertion of the air extraction branch pipe 32. The design of the strip-shaped insert 24 and the strip-shaped slot 23 further avoids the problem of the stacked switch main bodies 21 slipping and falling;

[0078] In some embodiments, in order to achieve good heat dissipation for the stackable switches 2 placed in a stacked manner, the air extraction and heat dissipation pipeline 3 includes:

[0079] An exhaust pipeline 31, which is longitudinally fixedly assembled on the outer wall of the back plate of the stacked housing 1. The exhaust pipeline 31 is used to discharge the drawn hot air;

[0080] The rear end of the air extraction branch pipe 32 is fixedly assembled on the rear side of the inner wall of the stacked housing 1;

[0081] The rear end of the air extraction branch pipe 32 is fixedly communicated with the exhaust pipeline 31 through a connecting pipe. The air extraction branch pipe 32 is used to extract the hot air on the upper and lower sides of each stackable switch 2. The hot air is extracted, and the surrounding cold air automatically replenishes to form air circulation, achieving the heat dissipation effect.

[0082] In some embodiments, in order to facilitate the discharge of the hot air extracted by the air extraction branch pipe 32, the exhaust pipeline 31 includes:

[0083] A longitudinal pipe 311, which is longitudinally fixedly assembled on the outer wall of the back plate of the stacked housing 1;

[0084] The lower end of the longitudinal pipe 311 is fixedly communicated with an exhaust nozzle 312;

[0085] An exhaust pump 313 is fixedly assembled on the longitudinal pipe 311. The exhaust pump 313 is connected to an external power source as a power source, and the suction force acts on the air extraction branch pipe 32 through the longitudinal pipe 311;

[0086] The rear end of the air extraction branch pipe 32 is fixedly communicated with the longitudinal pipe 311 through a connecting pipe.

[0087] In some embodiments, in order to facilitate the heat dissipation of the stackable switches 2 placed in a stacked manner, the air extraction branch pipe 32 includes:

[0088] A horizontal pipe 321, whose two ends are designed with sealed ends;

[0089] The horizontal pipe 321 is fixedly assembled on the rear side of the inner wall of the stacked housing 1, and the horizontal pipe 321 is fixedly communicated with the longitudinal pipe 311 through a connecting pipe;

[0090] The front wall of the horizontal pipe 321 is uniformly fixedly communicated with a branch pipe main body 322;

[0091] Air inlet holes 323 are uniformly opened on the upper and lower surfaces of the branch pipe main body 322. The suction force acts on the branch pipe main body 322 through the horizontal pipe 321, and the hot air on the upper and lower sides of the stackable switch 2 is inhaled from the air inlet holes 323;

[0092] A plugging cap 324 is fixedly assembled at the front end of the branch pipe main body 322.

[0093] In some embodiments, in order to be able to adjust the internal space size of the stacked housing 1 when needed, the stacked housing 1 includes:

[0094] The lower half shell 11 has its upper end slidably sleeved with the upper half shell 12;

[0095] Both the front ends of the lower half shell 11 and the upper half shell 12 are designed with openings;

[0096] A limit bolt 13 is screwed on the lower edge of the outer wall of the upper half shell 12, and the end of the limit bolt 13 abuts against the outer wall of the lower half shell 11;

[0097] The longitudinal pipe 311 is longitudinally fixedly assembled on the outer wall of the back plate of the upper half shell 12. After loosening the limit bolt 13, the upper half shell 12 can slide on the upper end of the lower half shell 11 to adjust the overall space size of the folded shell 1. After adjustment, the limit bolt 13 is tightened for positioning.

[0098] In some embodiments, in order to fixedly install the upper end of the longitudinal pipe 311, a positioning slot 6 is fixedly pasted on the back surface of the upper half shell 12 corresponding to the longitudinal pipe 311, and the upper end of the longitudinal pipe 311 is fixedly inserted into the positioning slot 6.

[0099] In some embodiments, in order to slide-guide the position where the foldable switch 2 is inserted into the lower end of the inner cavity of the folded shell 1, a sliding guide structure 4 is assembled between the outer wall of the foldable switch 2 and the lower end of the inner wall of the folded shell 1, which includes:

[0100] Strip-shaped sliding grooves 41, two of which are symmetrically opened on the left and right. The two strip-shaped sliding grooves 41 are respectively opened on the left and right sides of the inner wall of the folded shell 1;

[0101] Strip-shaped sliding blocks 42 are fixedly pasted on the outer wall of the foldable switch 2 corresponding to the two strip-shaped sliding grooves 41 on both sides;

[0102] The strip-shaped sliding blocks 42 are slidably assembled in the strip-shaped sliding grooves 41 on the same side; the foldable switch 2 slides into the strip-shaped sliding grooves 41 on both sides of the inner cavity of the folded shell 1 through the strip-shaped sliding blocks 42 on both sides. This design provides better support for the foldable switch 2 located at the lower end.

[0103] In some embodiments, in order to buffer the vibration received by the folded shell 1, a shock-absorbing support seat 5 is fixedly assembled at the lower end of the folded shell 1, which includes:

[0104] A top plate 51, which is fixedly assembled at the lower end of the folded shell 1;

[0105] A pressing plate 52 is fixedly assembled in the middle of the bottom surface of the top plate 51;

[0106] A trough body 53, with an elastic rubber strip 54 pasted on its upper edge;

[0107] The pressing plate 52 is slidably inserted into the trough body 53, and the upper end of the elastic rubber strip 54 abuts against the bottom surface of the top plate 51;

[0108] Elastic buffer members 55 are uniformly and fixedly assembled on the bottom surface of the inner cavity of the tank body 53, and the upper ends of the elastic buffer members 55 abut against the lower end of the pressing plate 52.

[0109] When being vibrated, the top plate 51 squeezes the elastic rubber strip 54 to deform, and the pressing plate 52 on the top plate 51 squeezes the elastic buffer members 55 uniformly distributed on the bottom surface of the inner cavity of the tank body 53. The vibration is offset and buffered through the deformation of the plurality of elastic buffer members 55 and the elastic rubber strip 54.

[0110] In some embodiments, in order to buffer the received vibration, the elastic buffer member 55 includes:

[0111] An arc-shaped elastic metal plate 551, the convex portion of which abuts against the lower end of the pressing plate 52;

[0112] A connecting ear plate 552 is integrally formed at one side edge of the arc-shaped elastic metal plate 551;

[0113] A fixing bolt 553 is assembled at the position between the connecting ear plate 552 and the bottom surface of the inner cavity of the tank body 53;

[0114] The other side of the arc-shaped elastic metal plate 551 is slidably attached to the bottom surface of the inner cavity of the tank body 53. The pressing plate 52 squeezes the convex portion of the arc-shaped elastic metal plate 551, and the arc-shaped elastic metal plate 551 deforms. Its non-fixed end slides on the bottom surface of the inner cavity of the tank body 53. The vibration is offset and buffered through the deformation of the arc-shaped elastic metal plate 551 and the friction force between its non-fixed end and the bottom surface of the inner cavity of the tank body 53.

[0115] Working principle:

[0116] The outer wall of the stackable switch 2 is attached to the inner wall of the stacking housing 1. The size of the stacking housing 1 is designed according to the external dimension of the stackable switch 2, which is suitable for stacking the same type of stackable switches 2, effectively avoiding the problem of side-slip and tipping of the stacked switches;

[0117] The exhaust end of the air extraction and heat dissipation pipeline 3 is located outside the stacking housing 1 for exhausting air. The front end of the air extraction and heat dissipation pipeline 3 is provided with an air extraction branch pipe 32. The air extraction branch pipe 32 is inserted at the position between the stacked stackable switches 2 and at the position between the stackable switch 2 and the inner wall of the stacking housing 1. The air extraction branch pipe 32 is used to extract the hot air around the stackable switch 2. The hot air around the stackable switch 2 enters the air extraction branch pipe 32 through the air inlet holes 323 and is then extracted. After the hot air is extracted, the surrounding cold air automatically replenishes to form air circulation, achieving the heat dissipation effect and facilitating centralized heat dissipation.

[0118] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A switch stacking device, characterized in that, Comprising: A stacked shell (1) with an open front end; A stackable switch (2) stacked vertically inside the stacked shell (1); The outer wall of the stackable switch (2) fits against the inner wall of the stacked shell (1); An air extraction and heat dissipation pipeline (3) with its rear end fixedly assembled on the back panel of the stacked shell (1); The exhaust end of the air extraction and heat dissipation pipeline (3) is located outside the stacked shell (1), and the front end of the air extraction and heat dissipation pipeline (3) is provided with an air extraction branch pipe (32); The air extraction branch pipe (32) is inserted at positions between the vertically stacked stackable switches (2) and at positions between the stackable switch (2) and the inner wall of the stacked shell (1); The air extraction branch pipe (32) is evenly provided with air intake holes (323).

2. The stacking device for switches according to claim 1, wherein, The stackable switch (2) includes: A switch main body (21) with strip-shaped blocks (22) fixedly assembled along the length direction on both the left and right sides of the bottom surface, and strip-shaped slots (23) opened along the length direction on the bottom surface of the strip-shaped blocks (22); Strip-shaped insertion blocks (24) are fixedly assembled on the upper surface of the switch main body (21) corresponding to the positions of the strip-shaped slots (23); The strip-shaped insertion blocks (24) of the stackable switch (2) are inserted into the strip-shaped slots (23) of the adjacent stackable switch (2).

3. A switch stacking device according to claim 1, characterized in that, The air extraction and heat dissipation pipeline (3) includes: An exhaust pipeline (31) longitudinally fixedly assembled on the outer wall of the back panel of the stacked shell (1); The rear end of the air extraction branch pipe (32) is fixedly assembled on the rear side of the inner wall of the stacked shell (1); The rear end of the air extraction branch pipe (32) is fixedly connected to the exhaust pipeline (31) through a connecting pipe.

4. A switch stacking device according to claim 3, characterized in that, The exhaust pipeline (31) includes: A longitudinal pipe (311) longitudinally fixedly assembled on the outer wall of the back panel of the stacked shell (1); An exhaust nozzle (312) is fixedly connected to the lower end of the longitudinal pipe (311); An exhaust pump (313) is fixedly assembled on the longitudinal pipe (311); The rear end of the air extraction branch pipe (32) is fixedly connected to the longitudinal pipe (311) through a connecting pipe.

5. A switch stacking device according to claim 3, characterized in that, The air extraction branch pipe (32) includes: A transverse pipe (321) with both ends sealed; The transverse pipe (321) is fixedly assembled on the rear side of the inner wall of the stacked shell (1), and the transverse pipe (321) is fixedly connected to the longitudinal pipe (311) through a connecting pipe; The front wall of the transverse pipe (321) is evenly and fixedly connected with branch pipe bodies (322); The air intake holes (323) are evenly opened on the upper and lower surfaces of the branch pipe bodies (322); A plugging cap (324) is fixedly assembled at the front end of the branch pipe body (322).

6. The stacking device for switches according to claim 4, characterized in that, The stacked shell (1) includes: A lower half shell (11) with an upper half shell (12) slidably sleeved on its upper end; Both the front ends of the lower half shell (11) and the upper half shell (12) are designed to be open; A limit bolt (13) is screwed on the lower edge of the outer wall of the upper half shell (12), and the end of the limit bolt (13) abuts against the outer wall of the lower half shell (11); The longitudinal pipe (311) is longitudinally fixedly assembled on the outer wall of the back panel of the upper half shell (12).

7. A switch stacking device according to claim 6, characterized in that, A positioning slot (6) is fixedly pasted on the back surface of the upper half shell (12) corresponding to the longitudinal pipe (311), and the upper end of the longitudinal pipe (311) is fixedly inserted into the positioning slot (6).

8. A switch stacking device according to claim 1, characterized in that A sliding guiding structure (4) is assembled between the outer wall of the foldable switch (2) and the lower end inner wall of the folding shell (1), which includes: Strip-shaped sliding grooves (41), two of which are symmetrically arranged left and right, and the two strip-shaped sliding grooves (41) are respectively arranged on the left and right sides of the inner wall of the folding shell (1); Strip-shaped sliding blocks (42) are fixedly pasted on the outer wall of the foldable switch (2) corresponding to the two strip-shaped sliding grooves (41) on both sides; The strip-shaped sliding blocks (42) are slidably assembled in the strip-shaped sliding grooves (41) on the same side.

9. A switch stacking device according to claim 1, characterized in that, A shock-absorbing support seat (5) is fixedly assembled at the lower end of the folding shell (1), which includes: A top plate (51), which is fixedly assembled at the lower end of the folding shell (1); A pressing plate (52) is fixedly assembled in the middle of the bottom surface of the top plate (51); A groove body (53), on the upper edge of which an elastic rubber strip (54) is fixedly pasted; The pressing plate (52) is slidably inserted into the groove body (53), and the upper end of the elastic rubber strip (54) abuts against the bottom surface of the top plate (51); Elastic buffer members (55) are uniformly fixedly assembled on the bottom surface of the inner cavity of the groove body (53), and the upper ends of the elastic buffer members (55) abut against the lower end of the pressing plate (52).

10. A switch stacking device according to claim 9, characterized in that, The elastic buffer member (55) includes: An arc-shaped elastic metal plate (551), the convex part of which abuts against the lower end of the pressing plate (52); A connecting ear plate (552) is integrally formed on one side edge of the arc-shaped elastic metal plate (551); A fixing bolt (553) is assembled between the connecting ear plate (552) and the bottom surface of the inner cavity of the groove body (53); The other side of the arc-shaped elastic metal plate (551) is slidably attached to the bottom surface of the inner cavity of the groove body (53).

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