Urban underground comprehensive pipe gallery ventilation shaft with protection structure
By installing detachable mounting covers and dust covers at the ventilation openings of ventilation shafts, combined with fan equipment and dust nets, the problems of poor ventilation and insufficient protection in ventilation shafts are solved, achieving the effects of preventing dust accumulation and facilitating cleaning.
Patent Information
- Application Number
- CN202520317821.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-02-26
AI Technical Summary
Existing ventilation shafts in urban underground utility tunnels have limited ventilation and poor protection. Dust easily accumulates at the air outlets of these shafts, affecting ventilation efficiency and making them difficult to clean.
A removable mounting cover and a dust cover are installed at the ventilation opening of the ventilation shaft. The mounting cover contains a fan and the outside is covered with a dust screen. Fresh air is drawn in by the fan and dust is blocked by the dust screen. A sealing ring is installed between the mounting cover and the dust cover to ensure airtightness.
It effectively prevents dust from accumulating at ventilation openings and fan equipment, maintains ventilation efficiency, and facilitates the cleaning of dust screens and covers, ensuring the long-term effective operation of ventilation shafts.
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Figure CN223922244U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of city ventilation shaft, concretely relates to city underground comprehensive pipe gallery ventilation shaft with protection structure. BACKGROUND
[0002] City ventilation shaft refers to a kind of facility for exhaust in city, and generally ventilation shaft is vertical passage structure, just like " well " generally, so it is called ventilation shaft, one end of ventilation shaft is connected with the space of underground building, and the other end is open to ground space, and exhaust is carried out.
[0003] In prior art, a kind of city underground comprehensive pipe gallery ventilation shaft is disclosed, the scheme can meet the requirement of sewage pipeline elevation, and can meet the requirement of ventilation interlayer to soil depth;
[0004] However, in prior art, actual ventilation effect is limited, and the protection effect of ventilation shaft is not good, dust is easy to accumulate at air outlet in long-term use process, which affects actual ventilation effect, and dust is not easy to clean. UTILITY MODEL CONTENT
[0005] In view of the above defects of prior art, a kind of city underground comprehensive pipe gallery ventilation shaft with protection structure is provided, which avoids dust accumulation while realizing protection to ventilation port.
[0006] The technical scheme adopted by the utility model to solve the above technical problems is:
[0007] City underground comprehensive pipe gallery ventilation shaft with protection structure, characterized by comprising
[0008] Ventilation shaft body, the top of ventilation shaft body is equipped with ventilation port, installation surface is equipped on the circumferential side of ventilation port;
[0009] Mounting cover, mounting cover is installed on installation surface in detachable connection mode, and mounting cover covers ventilation port;
[0010] Dust cover, dust cover is sleeved on the outside of mounting cover in detachable connection mode, ventilation hole is equipped on mounting cover and dust cover, and dust screen is equipped on the ventilation hole of dust cover;
[0011] Fan equipment, fan equipment is arranged in mounting cover, and air is transported into ventilation port through ventilation hole.
[0012] According to the above technical scheme, further comprising mounting mechanism, a plurality of mounting mechanisms are circumferentially spaced apart on the circumferential side of mounting cover;Mounting mechanism is connected between the outer wall surface of mounting cover and the installation surface.
[0013] According to the technical scheme, the mounting mechanism comprises a mounting column fixedly connected to the mounting surface, a mounting block fixedly arranged on the side wall of the mounting cover, a mounting cap threadedly connected to the mounting column, and a connecting plate fixed to the mounting column by the mounting cap.
[0014] According to the technical scheme, the connecting plate is provided with a through hole and a through slot, the through slot extends from the insertion hole to the through hole, the mounting column comprises a limiting section, a mounting section and a threaded section from bottom to top, the size of the through hole and the through slot is larger than the size of the limiting section, and the size of the through hole is smaller than the size of the limiting section.
[0015] According to the technical scheme, the mounting mechanism comprises a mounting block fixedly connected to the outer wall surface of the mounting cover, a mounting seat fixedly connected to the mounting surface, and a bolt assembly for connecting the mounting block and the mounting seat, the mounting block is provided with a through hole, and the mounting seat is provided with a threaded hole.
[0016] According to the technical scheme, the dust cover mounting assembly is further provided, and the plurality of dust cover mounting assemblies are connected between the outer wall surface of the mounting cover and the bottom of the dust cover.
[0017] According to the technical scheme, the dust cover mounting assembly comprises a protrusion fixedly arranged on the outer side wall of the dust cover, a fixed support fixedly arranged on the outer side wall of the mounting cover, a movable plate with a sliding rod connected to the fixed support, and a spring arranged between the movable plate away from the mounting cover side and the fixed support; the movable plate is provided with a limiting slot matched with the protrusion, and the limiting slot is sleeved on the protrusion under the action of the spring, thereby limiting the up-down movement of the dust cover.
[0018] According to the technical scheme, the ventilation hole is arranged in the middle region of the side wall of the mounting cover, and the ventilation hole is arranged in a circle on the mounting cover.
[0019] According to the technical scheme, the mounting cover comprises an upper cover body, a middle connecting cover and a lower cover body, the middle connecting cover is composed of a plurality of vertically and spacedly arranged connecting rods, the upper part and the lower part of the connecting rod are fixedly connected to the upper cover body and the lower cover body respectively, and the ventilation hole is formed between the adjacent two connecting rods.
[0020] According to the technical scheme, the first sealing ring is arranged between the bottom of the mounting cover and the mounting surface, and the second sealing ring is arranged between the outer side wall surface of the mounting cover and the inner side wall surface of the dust cover.
[0021] The utility model has the following beneficial effects:
[0022] 1. The application is characterized in that: a detachable installation cover is arranged on the installation surface outside the ventilation opening, so as to realize the protection of the ventilation opening; a fan device is arranged in the installation cover, so as to transport fresh air into the ventilation opening; a dust cover is fixedly arranged outside the installation cover, when the fan device sucks the air outside, the dust and impurities in the air outside can be separated by the dust screen arranged at the ventilation hole of the dust cover, so as to avoid the accumulation of dust at the ventilation opening and the fan device, and the effect of preventing dust accumulation is realized; and the dust cover and the installation cover are connected in a detachable manner, so as to facilitate the disassembly and cleaning of the protective cover and the dust screen, and prevent the dust screen from being blocked.
[0023] 2. The first sealing ring is arranged between the bottom of the installation cover and the installation surface, and the second sealing ring is arranged between the outer wall surface of the installation cover and the inner wall surface of the dust cover, so as to ensure the sealing between the installation cover and the installation surface, and the sealing between the installation cover and the dust cover; when the fan device is working, the air outside does not leak obviously at the above two connection positions.
[0024] The above description is only a summary of the technical scheme of the application, in order to more clearly understand the technical means of the application, and the application can be implemented according to the content of the specification, the following is a detailed description of the preferred embodiment of the application combined with the drawings. The specific embodiment of the application is described in detail by the following examples and drawings. BRIEF DESCRIPTION OF DRAWINGS
[0025] The drawings described herein are used to provide a further understanding of the application, and constitute a part of the application, the schematic embodiment and the description of the application are used to explain the application, and do not constitute an improper limitation on the application.
[0026] Figure 1 is a front view of the provided embodiment of the application;
[0027] Figure 2 is Figure 1 is an enlarged structure schematic view of A in figure 1;
[0028] Figure 3 is a schematic view of the installation mechanism of the provided embodiment of the application;
[0029] Figure 4 is a structure schematic view of the dust cover installation assembly of the provided embodiment of the application;
[0030] Figure 5 is a schematic view between the installation cover and the dust cover of the provided embodiment of the application;
[0031] In the figure, 1, ventilation shaft body; 2, ventilation opening; 3, mounting surface; 4, mounting cover; 4-1, upper cover body; 4-2, middle connecting cover; 4-3, lower cover body; 5, dust cover; 6, ventilation hole; 7, dust screen; 8, fan equipment; 9, mounting mechanism; 9-1, mounting column; 9-11, limiting section; 9-12, mounting section; 9-13, threaded section; 9-2, mounting block; 9-3, mounting cap; 9-31, limiting ring; 9-4, connecting plate; 9-41, through hole; 9-42, through slot; 9-5, mounting pin; 10, dust cover mounting assembly; 10-1, protruding block; 10-2, fixed support; 10-3, movable plate; 10-4, spring; 11, first sealing ring; 12, second sealing ring. DETAILED DESCRIPTION
[0032] The following detailed description of the application is presented in connection with the attached drawings. Figures 1-5 The principles and features of the present application are described, the examples are used to explain the present application, and are not intended to limit the scope of the present application. In the following paragraphs, the present application is described in more detail with reference to the accompanying drawings. The advantages and features of the present application will be more apparent from the following description and claims. It should be noted that the drawings are greatly simplified and use non-precise proportions, only to facilitate, clearly assist in explaining the purpose of the embodiments of the present application.
[0033] It should be noted that when the assembly is referred to as "fixed" to another assembly, it can be directly on another assembly or there can be a middle assembly. When an assembly is considered "connected" to another assembly, it can be directly connected to another assembly or there can be a middle assembly. When an assembly is considered "disposed" on another assembly, it can be directly disposed on another assembly or there can be a middle assembly. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the specification of the present application herein is only for the purpose of describing specific embodiments and is not intended to limit the present application. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0035] Referring to Figures 1-5 As shown in the figure, the utility model provides a city underground comprehensive pipe gallery ventilation shaft with protection structure.
[0036] Embodiment 1
[0037] Comprising
[0038] The ventilation shaft body 1 is provided with a ventilation opening 2 at the top thereof, and a mounting surface 3 is arranged at the peripheral side of the ventilation opening;
[0039] The mounting cover 4 is detachably connected to the mounting surface and covers the ventilation opening;
[0040] The dust cover 5 is detachably sleeved on the outer side of the mounting cover, and the mounting cover and the dust cover are provided with matching ventilation holes 6, and the ventilation holes of the dust cover are provided with a dust screen 7;
[0041] The fan device 8 is arranged in the mounting cover and sends fresh air into the ventilation opening through the ventilation holes.
[0042] In the embodiment, the mounting cover is arranged on the mounting surface outside the ventilation opening to protect the ventilation opening. The fan device is arranged in the mounting cover to send fresh air into the ventilation opening. The dust cover is fixedly arranged outside the mounting cover. When the fan device sucks air from the outside, the dust and impurities in the air are blocked by the dust screen arranged at the ventilation holes of the dust cover, so that the dust is prevented from accumulating at the ventilation opening and the fan device, thereby achieving the effect of preventing dust accumulation. In addition, the dust cover and the mounting cover are detachably connected, so that the dust cover and the dust screen can be easily disassembled and cleaned to prevent the dust screen from being blocked.
[0043] Embodiment 2
[0044] The structure and principle of embodiment 2 are similar to those of embodiment 1, and the difference lies in that the mounting mechanism 9 is further included, and a plurality of mounting mechanisms are arranged at the peripheral side of the mounting cover in a circumferential direction; the mounting mechanism is connected between the outer wall surface of the mounting cover and the mounting surface. The mounting mechanism realizes the detachable and fixed connection between the mounting cover and the ventilation opening body.
[0045] A structure for realizing the detachable connection between the mounting cover and the ventilation opening body is given.
[0046] The mounting mechanism includes a mounting column 9-1 fixedly connected to the mounting surface, a mounting block 9-2 fixedly arranged on the side wall of the mounting cover, a mounting cap 9-3 threadedly connected to the mounting column, and a connecting plate 9-4 fixedly arranged on the mounting column by the mounting cap; a clamping groove is arranged on the mounting block, and a mounting pin 9-5 is arranged at the end of the connecting plate close to the mounting block; when the connecting plate is sleeved on the mounting column, the mounting pin is inserted into the clamping groove, and the connecting plate is fixed on the mounting column by the mounting cap.
[0047] In the structural form, in order to facilitate the installation and positioning of the connecting plate, a through hole 9-41 and a through slot 9-42 are arranged on the connecting plate, the through slot extends from the latch to the through hole; the mounting column comprises a limiting section 9-11, a mounting section 9-12 and a threaded section 9-13 from bottom to top, the size of the through hole and the through slot is larger than the size of the limiting section, and the size of the through hole is smaller than the size of the limiting section; a limiting ring 9-31 is arranged on the outer wall of the mounting cap, and the size of the lower part of the limiting ring of the mounting cap is the same as the size of the through hole.
[0048] In the embodiment, the through slot and the through hole of the connecting plate pass through the mounting section of the mounting column in sequence, and the mounting pin of the connecting plate is inserted into the clamping groove of the mounting block; then the connecting plate is arranged on the limiting section of the mounting column respectively, and the mounting cap is screwed into the threaded section of the mounting column. In the process of screwing in, the connecting plate is pressed on the limiting section of the mounting column by the limiting ring and the lower part of the limiting ring, realizing the fixed connection of the connecting plate and the mounting column, achieving the purpose of inserting the limiting pin into the clamping groove of the mounting block, and finally locking the mounting cover on the mounting surface at the ventilation hole.
[0049] Another structural form for detachable connection between the mounting cover and the ventilation hole body is given. The mounting mechanism comprises a mounting block fixedly connected to the outer wall surface of the mounting cover, a mounting seat fixedly connected to the mounting surface, and a bolt assembly for connecting the mounting block and the mounting seat, a through hole is arranged on the mounting block, and a threaded hole is arranged on the mounting seat.
[0050] Embodiment 3
[0051] The structure and principle of embodiment 3 are close to those of embodiments 1-2, and the difference lies in that the dust cover mounting assembly 10 is further included, and the plurality of dust cover mounting assemblies are connected between the outer wall surface of the mounting cover and the bottom of the dust cover. The dust cover mounting assembly is used to realize the detachable fixed connection between the mounting cover and the dust cover.
[0052] A preferred structure of the dust cover mounting assembly is given, which comprises a protrusion 10-1 fixedly arranged on the outer side wall of the dust cover, a fixed support 10-2 fixedly arranged on the outer side wall of the mounting cover, a movable plate 10-3 connected to the fixed support through a sliding rod, and a spring 10-4 arranged between the movable plate away from the mounting cover side and the fixed support; a limiting groove matched with the protrusion is arranged on the movable plate, and under the action of the spring, the limiting groove is sleeved on the protrusion to limit the up and down movement of the dust cover.
[0053] Embodiment 4
[0054] The structure and principle of embodiment 4 are close to those of embodiments 1-3, and the difference lies in that the preferred design position of the ventilation hole on the mounting cover and the dust cover is given; the ventilation hole is arranged in the middle region of the side wall of the mounting cover, and a circle of ventilation holes is arranged on the mounting cover.
[0055] The mounting cover comprises an upper cover body 4-1, a middle connecting cover 4-2 and a lower cover body 4-3, the middle connecting cover is composed of a plurality of vertically and spaced connecting rods, the upper and lower parts of the connecting rods are fixedly connected to the upper and lower cover bodies respectively, and a ventilation hole is formed between two adjacent connecting rods.
[0056] In the embodiments 1-4, in order to ensure the sealing between the mounting cover and the mounting surface and between the mounting cover and the dust cover, a first sealing ring 11 is arranged between the bottom of the mounting cover and the mounting surface, and a second sealing ring 12 is arranged between the outer sidewall of the mounting cover and the inner sidewall of the dust cover.
[0057] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any person skilled in the art can easily implement the present application according to the drawings and the above description; however, any equivalent changes, modifications and evolutions made by those skilled in the art within the scope of the technical scheme of the present application, using the above disclosed technical content, are equivalent embodiments of the present application; at the same time, any equivalent changes, modifications and evolutions made according to the essential technology of the present application to the above embodiments are still within the protection scope of the technical scheme of the present application.
Claims
1. A ventilation shaft of urban underground comprehensive pipe gallery with a protective structure, characterized in that: include The ventilation shaft body has a ventilation opening at the top and an installation surface around the ventilation opening. The mounting cover is detachably attached to the mounting surface and covers the vent. The dust cover is detachably fitted onto the outside of the mounting cover. Matching ventilation holes are provided on both the mounting cover and the dust cover, and a dustproof net is provided on the ventilation holes of the dust cover. The fan equipment is housed inside the mounting cover and supplies air to the ventilation opening through ventilation holes.
2. The urban underground utility tunnel ventilation shaft with a protection structure according to claim 1, characterized in that: It also includes mounting mechanisms, with several mounting mechanisms arranged circumferentially at intervals around the periphery of the mounting cover; the mounting mechanisms are connected between the outer wall surface of the mounting cover and the mounting surface.
3. The urban underground utility tunnel ventilation shaft with a protection structure according to claim 2, characterized in that: The installation mechanism includes a mounting column fixedly connected to the mounting surface, a mounting block fixedly disposed on the side wall of the mounting cover, a mounting cap threadedly connected to the mounting column, and a connecting plate fixed to the mounting column by the mounting cap; the mounting block is provided with a slot, and the connecting plate is provided with a mounting pin at the end near the mounting block; when the connecting plate is sleeved on the mounting column, the mounting pin is inserted into the slot, and the mounting cap fixes the connecting plate to the mounting column.
4. The urban underground utility tunnel ventilation shaft with a protection structure according to claim 3, characterized in that: The connecting plate has a through hole and a through groove, with the through groove extending from the pin to the through hole; the mounting post includes a limiting section, a mounting section and a threaded section from bottom to top, with the through hole and through groove being larger than the limiting section and the through hole being smaller than the limiting section; the outer wall of the mounting cap has a limiting ring, and the size of the lower area of the limiting ring of the mounting cap is the same as the size of the through hole.
5. The urban underground utility tunnel ventilation shaft with a protection structure according to claim 2, characterized in that: The mounting mechanism includes a mounting block fixedly connected to the outer wall of the mounting cover, a mounting seat fixedly connected to the mounting surface, and a bolt assembly for connecting the mounting block and the mounting seat. The mounting block has a through hole, and the mounting seat has a threaded hole.
6. The urban underground utility tunnel ventilation shaft with a protection structure according to claim 1, characterized in that: It also includes dust cover mounting components, several of which are connected between the outer wall of the mounting cover and the bottom of the dust cover.
7. The urban underground utility tunnel ventilation shaft with a protection structure according to claim 6, characterized in that: The dust cover mounting assembly includes a protrusion fixed on the outer wall of the dust cover, a fixed bracket fixed on the outer wall of the mounting cover, a movable plate connected to the fixed bracket by a sliding rod, and a spring located between the movable plate away from the mounting cover and the fixed bracket; the movable plate is provided with a limiting groove that matches the protrusion, and under the action of the spring, the limiting groove is fitted onto the protrusion to restrict the up and down movement of the dust cover. 8.The urban underground utility tunnel ventilation shaft with a protection structure according to claim 1, wherein: The ventilation holes are located in the middle area of the side wall of the mounting cover, and there is a ring of ventilation holes on the mounting cover.
9. The urban underground utility tunnel ventilation shaft with a protection structure according to claim 8, characterized in that: The mounting cover includes an upper cover, a middle connecting cover, and a lower cover. The middle connecting cover is composed of multiple vertically spaced connecting rods. The upper and lower parts of the connecting rods are fixedly connected to the upper cover and the lower cover, respectively, and ventilation holes are formed between two adjacent connecting rods. 10.The urban underground utility tunnel ventilation shaft with a protection structure according to claim 1, wherein: A first sealing ring is provided between the bottom of the mounting cover and the mounting surface, and a second sealing ring is provided between the outer wall of the mounting cover and the inner wall of the dust cover.