Integrated quick-assembly access hole
By designing an integrated quick-installation access panel with an elastic component driving the sliding cover and mounting tooth structure, the problems of complex installation and low versatility of existing access panels are solved, achieving fast, stable installation and convenient maintenance.
Patent Information
- Application Number
- CN202520472710.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-18
AI Technical Summary
The existing access panels are complex to install and have low versatility, and cannot accommodate wall openings of different sizes. Multiple sizes of access panels are needed to fit the wall openings.
An integrated quick-installation access panel was designed, employing a sliding cover and mounting tooth structure driven by elastic components. Through the serrated engagement of the first and second mounting teeth, it can be quickly installed in wall openings of different sizes. The tension of the elastic components makes the mounting teeth tightly engage with the inner wall of the wall opening, forming a strong frictional force.
It simplifies the installation process, saves time and labor costs, improves versatility and stability, ensures that it is not easily loosened under vibration and external impact, and is convenient and quick to maintain.
Smart Images

Figure CN223880690U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of access hatches, in particular to an integrated quick-mounting access hatch. BACKGROUND
[0002] An access hatch is a very practical product, which is mainly installed on the indoor wall surface behind which there are drainage, exhaust or air exhaust pipes. The access hatch is usually positioned directly opposite the valve on the pipe. When the pipe needs to be overhauled, the access hatch can be opened gently, which greatly avoids the embarrassment of traditional wall disassembly and hole drilling.
[0003] At present, the common plastic access hatch on the market is composed of a cover plate and a door frame. When installed, multiple screws are required to fix the door frame to the wall. A bottom hole needs to be drilled in advance on the wall, and necessary screws and installation tools are prepared. Sometimes, double-sided sealing adhesive tape needs to be pasted around the door frame. The installation method is relatively complex. Secondly, since the size of the cover plate and the door frame is fixed, the access hatch cannot be installed if the size of the reserved hole on the wall is too large or too small, and the adaptability is poor. If there are multiple reserved holes of different sizes on the wall, multiple access hatches of different sizes need to be matched, and the versatility is low. SUMMARY
[0004] The utility model aims at providing an integrated quick-mounting access hatch to solve the problem of low versatility of the conventional access hatch mentioned in the background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an integrated quick-mounting access hatch, comprising a cover plate, a sliding cover with a first mounting tooth at the bottom end is vertically and slidingly installed on one side of the cover plate through an elastic member, and a second mounting tooth extending outward and staggered with the first mounting tooth is arranged above the sliding cover on the cover plate, so that the second mounting tooth and the first mounting tooth cooperate to install the cover plate on a wall hole of different sizes.
[0006] Preferably, a flange of a rectangular structure is integrally formed on the side wall of the cover plate, and the second mounting tooth extends outward in a flared shape from the top of the flange body.
[0007] Preferably, one or more pairs of L-shaped strips are integrally formed at the central position of the flange, each pair of L-shaped strips is arranged opposite to each other with the openings parallel to each other, and a baffle is arranged between each pair of opposite L-shaped strips on the cover plate. The L-shaped strip and the baffle cooperate to form a sliding groove for accommodating the sliding cover.
[0008] Preferably, the elastic member is a spring arranged between the cover plate and the sliding cover, and the two ends of the spring are in contact with the baffle and the sliding cover, respectively.
[0009] Preferably, the first mounting tooth and the second mounting tooth are respectively provided with a sawtooth structure.
[0010] Preferably, the corner joints of the cover plate are all rounded and smoothly transitioned.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] The utility model need not complex tools, only simple push the slide cover, first sawtooth and second sawtooth are rapidly cooperated with the aid of the action of elastic component, and the cover plate is stably clamped in different specifications wall hole, effectively save installation time and manpower cost, need not custom-made specific cover plate for different wall hole, improve the versatility of product.The stability after installation is excellent, and the elastic component props open first sawtooth and second sawtooth, makes it and the wall hole inner wall closely bite, forms strong friction, resists daily vibration and external force impact, in addition, when maintaining later, reverse operation slide cover can easily take down cover plate, conveniently and quickly overhaul and replace the facility behind wall, greatly improve the maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;
[0014] Figure 2 It is the side view plane structure schematic diagram of the utility model;
[0015] Figure 3 It is the first state front view plane structure schematic diagram of the utility model;
[0016] Figure 4 It is the second state front view plane structure schematic diagram of the utility model;
[0017] Figure 5 It is the whole cut open plane structure schematic diagram of the utility model.
[0018] In the drawing: 1, cover plate;2, flange;3, slide cover;4, first installation tooth;5, second installation tooth;6, L-shaped strip;7, baffle;8, spring. DETAILED DESCRIPTION
[0019] 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.
[0020] Please refer to Figures 1-5The utility model provides a technical scheme: an integrated quick installation manhole, including cover plate 1, cover plate 1 can be square, polygon or circular, the bottom of the cover plate 1 is provided with the first installation tooth 4 through the elastic component vertical sliding installation of the one side of the sliding cover 3, the sliding cover 3 is integrally formed and is provided with U-shaped structure, the cover plate 1 of the application and the sliding cover 3 are plastic material or metal material, are formed through injection molding, plastic, stamping, pressure casting, welding and other processes by mechanical equipment such as injection molding machine, the cover plate 1 is located in the upper of the sliding cover 3 and is provided with the second installation tooth 5 that extends outward and is distributed with the first installation tooth 4 staggered, each installation tooth is inclined to the cover plate 1, the first installation tooth 4 is equipped with sawtooth structure with the second installation tooth 5 respectively, sawtooth structure can form more closely occlusion with the edge of wall hole, increase friction and occlusion, make the cover plate 1 not easy to sway or fall off in the wall hole, the corner connecting place of the cover plate 1 all adopts the rounded corner smooth transition, rounded corner design can eliminate sharp corner, avoid the risk of skin scratch when installing sharp corner, the sidewall of the cover plate 1 is integrally formed with the flange 2 of rectangular structure, the second installation tooth 5 is inclined and extends outward from the top of the flange 2 main body in the form of expansion, so that the second installation tooth 5, the first installation tooth 4 cooperate and install the cover plate 1 in the wall hole of different sizes.
[0021] Please refer to Figure 1 、 Figure 3 、 Figure 4 And Figure 5 , the central position of the flange 2 is integrally formed with a pair or multiple pairs of L-shaped strips 6, (as shown in Figure 3 、 Figure 4 ), each pair of L-shaped strips 6 is parallel to each other and oppositely arranged, the cover plate 1 is provided with a baffle 7 between each pair of oppositely arranged L-shaped strips 6, and the L-shaped strip 6 and the baffle 7 cooperate to form a sliding groove for accommodating the sliding cover 3. The elastic member in the application is a spring 8 arranged between the cover plate 1 and the sliding cover 3. The spring 8 is a spiral structure, which can be square or circular. The two ends of the spring 8 are in contact with the baffle 7 and the sliding cover 3 respectively. During use, the product installation size can be adjusted according to the length of the spring 8 or the position of the spring 8 sliding groove. The minimum installation size is the distance between the first installation tooth 4 and the second installation tooth 5 after the spring 8 is compressed. The maximum installation size is the maximum distance between the first installation tooth 4 and the second installation tooth 5 in the natural state of the spring 8.
[0022] When installing, first put the four 4 on the sliding cover 3 into one side of the reserved wall hole on the installation wall, push the sliding cover 3 forward (i.e. press the spring 8), and when the five 5 on the cover plate 1 are also located in the reserved wall hole, release the hand, and the installation teeth on both sides are expanded in the reserved wall hole by the tension of the spring 8 and are fixed. The edge of the cover plate 1 is provided with a groove, and when it is needed to open the cover plate 1, the cover plate 1 can be taken out by prying the groove with a screwdriver (or any other tool that can be inserted). The whole process does not need complicated tools and cumbersome operation, greatly saving the installation time and labor cost, and the spring 8 expands the installation teeth, which can make the installation teeth tightly fit the inner wall of the wall hole, generate strong friction and biting force, and ensure that the maintenance opening is stably fixed in the wall hole. Even when facing environmental factors such as vibration and temperature change, it is not easy to appear loosening and displacement phenomenon, which guarantees the stability and safety of the long-term use of the maintenance opening.
[0023] The present application does not need complicated tools, and only by simply pushing the sliding cover 3, the first sawtooth 4 and the second sawtooth 5 can be quickly matched to stably clamp the cover plate 1 in wall holes of different specifications, effectively saving the installation time and labor cost, without the need to customize specific cover plates for different wall holes, and the universality of the product is improved. After installation, the stability is excellent, the elastic member expands the first sawtooth 4 and the second sawtooth 5, which tightly bite the inner wall of the wall hole, form strong friction, resist daily vibration and external impact, and in addition, when maintaining later, the cover plate 1 can be easily taken out by reversely operating the sliding cover 3, which is convenient and fast to maintain and replace the facilities behind the wall, and greatly improves the maintenance efficiency.
[0024] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that includes a list of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.
[0025] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An integrated quick-mounting access door, characterized in that: The utility model provides a cover plate (1) one side is vertically slidably installed with the slide cover (3) that first installation tooth (4) is equipped with at the bottom of the elastic component, the cover plate (1) is located above the slide cover (3) and is equipped with the second installation tooth (5) that extends outward and is distributed with the first installation tooth (4) staggered, so that the second installation tooth (5), first installation tooth (4) cooperation installs the cover plate (1) in the wall hole of different size.
2. The integrated quick-mounting manhole according to claim 1, characterized in that: The sidewall of the cover plate (1) is integrally formed with a rectangular flange (2), and the second installation tooth (5) extends outward from the top of the flange (2) body in a diverging manner.
3. The integrated quick-mounting manhole according to claim 2, characterized in that: A pair or multiple pairs of L-shaped strips (6) are integrally formed at the central position of the flange (2), each pair of L-shaped strips (6) are parallel to each other and oppositely arranged, and the cover plate (1) is provided with a baffle (7) between each pair of oppositely arranged L-shaped strips (6), and the L-shaped strips (6) and the baffle (7) cooperate to form a sliding groove for accommodating the slide cover (3).
4. The integrated quick-mounting manhole according to claim 3, characterized in that: The elastic component is a spring (8) arranged between the cover plate (1) and the slide cover (3), and the two ends of the spring (8) are respectively in contact with the baffle (7) and the slide cover (3).
5. The integrated quick-mounting manhole of claim 1, wherein: The first installation tooth (4) and the second installation tooth (5) are respectively provided with a sawtooth structure.
6. The integrated quick-mounting manhole of claim 1, wherein: The corner connection of the cover plate (1) is all adopted with rounded corners for smooth transition.