Rainproof cap for fresh air and air exhaust
The design of the limit rod and return spring simplifies the process of disassembling and replacing the rain cap, solves the problem of cumbersome operation in the existing technology, and achieves the effect of quick disassembly and stable installation.
Patent Information
- Application Number
- CN202520123823.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-01-17
AI Technical Summary
The existing rain hats are cumbersome to disassemble and replace, which is time-consuming and labor-intensive and affects work efficiency.
The design incorporates a limit rod, a moving block, and a return spring. The transmission rod and limit rod are moved by the hand lever, simplifying the disassembly process of the rain cap. The reaction force of the return spring ensures the stability of the installation.
It enables quick disassembly and replacement of rain caps, reduces operation steps, and improves installation stability and work efficiency.
Smart Images

Figure CN223814758U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a new trend system technical field, concretely is a rain cap for new trend exhaust. BACKGROUND
[0002] The new trend system is by the air supply system and exhaust system composition a set of independent air handling system, it is divided into duct type new trend system and no duct new trend system two, because the air inlet and exhaust of new trend system are in outdoor, therefore need to use rain cap to shelter it, rain cap can effectively prevent rain from the air inlet and exhaust into the inside of new trend system, cause the phenomenon of new trend system to appear damage, indirectly prolong the service life of new trend system, but the rain cap of prior art is installed, and it is basically installed at the air inlet and exhaust of new trend system through the mutual cooperation between multiple bolts and nuts, when the rain cap needs to be disassembled and replaced by staff when damage occurs, the staff needs to twist the bolts and nuts one by one to realize the disassembly of the rain cap, the operation steps are more, time -consuming and labor -intensive, the staff is not easy to realize the quick disassembly and replacement of the rain cap, prolongs the working hours of staff. SUMMARY
[0003] (I) technical problem solved
[0004] In view of the deficiencies of prior art, the utility model provides a rain cap for new trend exhaust, which solves the problems raised in the above background technology.
[0005] (II) technical scheme
[0006] To achieve the above object, the utility model provides the following technical scheme: a rain cap for new trend exhaust, including the connecting ring that the installation seat outer surface bottom fixed sleeve connects, the outside surface of connecting ring is movably inserted with screw, the inner wall of installation seat is opened and is equipped with the installation groove, the inner wall of installation groove is opened and is equipped with the limit slot, the upper surface of installation seat is movably inserted with the limit rod, the bottom of limit rod is fixedly connected with the moving block, the outer surface of moving block is fixedly connected with the transmission rod, the transmission rod penetrates the outer surface of installation seat, the outer end of transmission rod is fixedly connected with the handheld rod, the lower surface of moving block is fixedly connected with the first short rod, the inner wall of installation seat bottom is fixedly connected with the second short rod, the outer surface of first short rod and second short rod is sleeved with the reset spring, the inside of installation groove is provided with the installation ring, the bottom of installation ring outer surface is fixedly connected with the limit block, the limit block is connected with the limit slot slidingly, the top of installation ring outer surface is fixedly connected with the connecting block, the outer surface of connecting block is equipped with the limit hole, the limit rod is movably inserted with the limit hole, the upper surface of installation ring is fixedly connected with the support plate, the upper surface of support plate is fixedly connected with the rainproof plate.
[0007] Preferably, the outer surface of the mounting seat is provided with a through groove on both left and right sides, and the inner diameter of the through groove is matched with the outer diameter of the transmission rod.
[0008] Preferably, the number of the reset springs is set to two groups, and the manufacturing materials of the two groups of reset springs are both set to silicon manganese spring steel.
[0009] Preferably, the inside of the mounting seat is provided with a moving groove, and the inner diameter of the moving groove is matched with the outer diameter of the moving block.
[0010] Preferably, the manufacturing materials of the limiting rod, the moving block, the transmission rod, the handheld rod, the first short rod and the second short rod are all set to stainless steel.
[0011] Preferably, the number of the limiting holes and the limiting rods is both set to two groups, and the inner diameter of the limiting hole is matched with the outer diameter of the limiting rod.
[0012] (Three) beneficial effects
[0013] Compared with the prior art, the utility model provides a rainproof cap for fresh air exhaust, has the following
[0014] Beneficial effects:
[0015] 1、 the rainproof cap for fresh air exhaust, through control installation ring drives limiting block to move out of the inside of limiting groove, then control handheld rod indirectly drives limiting rod to move down out of the inside of limiting hole, can remove the fixing between mounting seat and installation ring, by this, indirectly complete the disassembly of rainproof board, this process operation step is less, save time and effort, realize the quick disassembly and replacement of rainproof board of staff, shorten the working hours of staff.
[0016] 2、 the rainproof cap for fresh air exhaust, through the reaction force of reset spring being extruded, can be sustained upwards extrusion to moving block, make moving block can drive limiting rod to move upwards along the inside of mounting seat, until limiting rod passes through the upper surface of mounting seat, finally firmly insert into the inside of limiting hole, effectively improve the fixing effect between mounting seat and installation ring, indirectly guarantee the stability of rainproof board when being used. DETAILED DESCRIPTION
[0017] Figure 1 It is the whole structure schematic diagram of the utility model;
[0018] Figure 2 It is the local structure schematic diagram of the utility model;
[0019] Figure 3 It is the mounting seat structure schematic diagram of the utility model;
[0020] Figure 4The partial structure of the utility model is exploded schematic view.
[0021] In the figure: 1, mounting seat; 2, connecting ring; 3, screw; 4, mounting groove; 5, limiting groove; 6, limiting rod; 7, moving block; 8, transmission rod; 9, handheld rod; 10, first short rod; 11, second short rod; 12, reset spring; 13, mounting ring; 14, limiting block; 15, connecting block; 16, limiting hole; 17, support plate; 18, rainproof plate. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] Please refer to Figures 1-4The utility model provides a technical scheme: a rainproof cap for fresh air exhaust, connecting ring 2 is fixedly sleeved on the bottom of the outer surface of mounting seat 1, the inside of limiting groove 5 is moved out by controlling mounting ring 13 to drive limit block 14, then indirectly drive limit rod 6 to move out of the inside of limiting hole 16, can remove the fixing between mounting seat 1 and mounting ring 13, by this means, indirectly complete the disassembly of rainproof board 18, the operation steps are less, save time and effort, realize the quick disassembly and replacement of rainproof board 18 for staff, shorten the working hours of staff, the outside of connecting ring 2 is movably inserted with screw 3, the inner wall of mounting seat 1 is provided with mounting groove 4, the inner wall of mounting groove 4 is provided with limiting groove 5, the upper surface of mounting seat 1 is movably inserted with limit rod 6, the bottom of limit rod 6 is fixedly connected with moving block 7, the outer surface of moving block 7 is fixedly connected with transmission rod 8, transmission rod 8 penetrates the outer surface of mounting seat 1, the outer end of transmission rod 8 is fixedly connected with handheld rod 9, the lower surface of moving block 7 is fixedly connected with first short rod 10, the inner wall of the bottom of mounting seat 1 is fixedly connected with second short rod 11, the outer surfaces of first short rod 10 and second short rod 11 are sleeved with reset spring 12, the reaction force produced by reset spring 12 being extruded can extrude moving block 7 upwards continuously, so that moving block 7 can drive limit rod 6 to move upwards along the inside of mounting seat 1 until limit rod 6 penetrates the upper surface of mounting seat 1 and is finally inserted into the inside of limiting hole 16, effectively improve the fixing effect between mounting seat 1 and mounting ring 13, indirectly ensure the stability of rainproof board 18 when being used, the inside of mounting groove 4 is provided with mounting ring 13, the bottom of the outer surface of mounting ring 13 is fixedly connected with limit block 14, limit block 14 is slidably connected with limiting groove 5, the top of the outer surface of mounting ring 13 is fixedly connected with connecting block 15, the outer surface of connecting block 15 is provided with limiting hole 16, limit rod 6 is movably inserted with limiting hole 16, the upper surface of mounting ring 13 is fixedly connected with support plate 17, the upper surface of support plate 17 is fixedly connected with rainproof board 18.
[0024] The utility model discloses in order to facilitate staff to control handheld rod 9 to drive transmission rod 8 to move along the inside of mounting seat 1, therefore the outer surface of mounting seat 1 is provided with through groove on both sides, and the inner diameter of through groove is compatible with the outer diameter of transmission rod 8, which facilitates staff to control handheld rod 9 to drive transmission rod 8 to move along the inside of mounting seat 1.
[0025] The utility model discloses in order to prolong the service life of two groups of reset spring 12, therefore the number of reset spring 12 is set as two groups, and the manufacturing material of two groups of reset spring 12 is all set as silicon manganese spring steel, and the spring reset effect of silicon manganese spring steel is good, and it is not easy to deform, thereby prolonging the service life of two groups of reset spring 12.
[0026] The utility model discloses a movable block 7 is moved along the inside of mounting seat 1, therefore is equipped with the moving groove in the inside of mounting seat 1, the inner diameter of moving groove is compatible with the outer diameter of movable block 7, and movable block 7 is moved along the inside of mounting seat 1 conveniently.
[0027] The utility model discloses to guarantee that the limit rod 6, movable block 7, transmission rod 8, handheld rod 9, first short pole 10 and second short pole 11 are not easy to be damaged when being used, therefore the manufacturing material of limit rod 6, movable block 7, transmission rod 8, handheld rod 9, first short pole 10 and second short pole 11 are all set up as stainless steel, and the hardness of stainless steel is higher, and not easy to deform, guarantee that the limit rod 6, movable block 7, transmission rod 8, handheld rod 9, first short pole 10 and second short pole 11 are not easy to be damaged when being used.
[0028] The utility model discloses to facilitate staff to insert limit rod 6 into the inside of limit hole 16, therefore the number of limit hole 16 and limit rod 6 is all set up as two groups, and the inner diameter of limit hole 16 is compatible with the outer diameter of limit rod 6, and it is convenient for staff to insert limit rod 6 into the inside of limit hole 16.
[0029] The electrical components in this article are all connected with the main controller and 220V mains electricity, and the main controller can be a computer or other known device that can be controlled.
[0030] In use, staff can install mounting seat 1 at the air inlet and air outlet of fresh air system in advance, so that staff controls the prepared electric screwdriver to drive screw 3 to rotate along the inside of connecting ring 2 until the part of screw 3 rotates to the specified position in the air inlet and air outlet of fresh air system, thus completing the installation of mounting seat 1, and then when staff needs to disassemble the damaged rainproof plate 18 due to long-term use, staff controls handheld rod 9 to drive transmission rod 8 to move downward along the inside of mounting seat 1, so that transmission rod 8 drives movable block 7 and limit rod 6 to move downward along the inside of mounting seat 1, so that movable block 7 drives first short pole 10 to press reset spring 12 downward until limit rod 6 moves out of the inside of limit hole 16, releasing the fixation between mounting seat 1 and mounting ring 13, then controlling support plate 17 to drive mounting ring 13 and limit block 14 to rotate along the inside of mounting groove 4 and limit groove 5 respectively until rotating to the specified position, then controlling support plate 17 to drive mounting ring 13 to move upward, and at the same time, mounting ring 13 drives limit block 14 to move upward out of the inside of limit groove 5, so that the rainproof plate 18 can be disassembled, and vice versa, a new rainproof plate 18 can be installed, thus staff completes the replacement of rainproof plate 18.
[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A rainproof cap for fresh air exhaust, comprising a connecting ring (2) fixedly sleeved on the bottom of the outer surface of a mounting seat (1), characterized in that: The outer side of the connecting ring (2) is movably inserted with a screw (3), the inner wall of the mounting seat (1) is provided with a mounting groove (4), the inner wall of the mounting groove (4) is provided with a limiting groove (5), the upper surface of the mounting seat (1) is movably inserted with a limiting rod (6), the bottom end of the limiting rod (6) is fixedly connected with a moving block (7), the outer surface of the moving block (7) is fixedly connected with a transmission rod (8), the transmission rod (8) penetrates the outer surface of the mounting seat (1), the outer end of the transmission rod (8) is fixedly connected with a handheld rod (9), the lower surface of the moving block (7) is fixedly connected with a first short rod (10), the inner wall of the bottom of the mounting seat (1) is fixedly connected with a second short rod (11), the outer surfaces of the first short rod (10) and the second short rod (11) are sleeved with a reset spring (12), the inside of the mounting groove (4) is provided with a mounting ring (13), the bottom of the outer surface of the mounting ring (13) is fixedly connected with a limiting block (14), the limiting block (14) is slidably connected with the limiting groove (5), the top of the outer surface of the mounting ring (13) is fixedly connected with a connecting block (15), the outer surface of the connecting block (15) is provided with a limiting hole (16), the limiting rod (6) is movably inserted with the limiting hole (16), the upper surface of the mounting ring (13) is fixedly connected with a supporting plate (17), the upper surface of the supporting plate (17) is fixedly connected with a rainproof plate (18).
2. The rain cover for fresh air exhaust according to claim 1, characterized in that: The outer surface of the mounting seat (1) is provided with a through groove on the left and right sides, and the inner diameter of the through groove is matched with the outer diameter of the transmission rod (8).
3. The rain cover for fresh air exhaust according to claim 1, characterized in that: The number of reset springs (12) is two groups, and the manufacturing materials of the two groups of reset springs (12) are both silicon manganese spring steel.
4. The rain cover for fresh air exhaust according to claim 1, characterized in that: The inside of the mounting seat (1) is provided with a moving groove, and the inner diameter of the moving groove is matched with the outer diameter of the moving block (7).
5. The rain cover for fresh air exhaust according to claim 1, characterized in that: The manufacturing materials of the limiting rod (6), the moving block (7), the transmission rod (8), the handheld rod (9), the first short rod (10) and the second short rod (11) are all stainless steel.
6. The rain cover for fresh air exhaust according to claim 1, characterized in that: The number of limiting holes (16) and limiting rods (6) is two groups, and the inner diameter of the limiting hole (16) is matched with the outer diameter of the limiting rod (6).