Embedded positioning sleeve for electrical installation engineering

Abstract

The utility model relates to the technical field of embedded positioning sleeves, in particular to an embedded positioning sleeve for electrical installation engineering, which comprises a sleeve body, the front end of the sleeve body is fixedly connected with a front port in a penetrating manner, and the rear end of the sleeve body is fixedly connected with a rear port in a penetrating manner. The inner wall of the rear port and the inner wall of the front port are movably connected with plugging devices in a penetrating mode, the outer surface of the cannula body is fixedly connected with an outer protection device in a penetrating mode, and the rear port and the front port are the same in structure. According to the embedded positioning sleeve for the electrical installation engineering, the multiple supporting frames and the four connecting steel rings are fixed to the outer surface of the sleeve body, the strength of the sleeve body can be improved under the cooperation of the four connecting steel rings and the multiple supporting frames, the arc-shaped supporting plates are arranged on the multiple supporting frames, and therefore the strength of the sleeve body can be improved; due to the fact that the arc-shaped supporting plates are of an arc-shaped structure, the outer surface of the sleeve body can be protected under the cooperation of the multiple arc-shaped supporting plates.

Description

Technical Field

[0001] The utility model relates to the technical field of embedded sleeves, and particularly relates to an embedded positioning sleeve for electrical installation projects. Background Technique

[0002] The embedded sleeve is a hole reserved for pipes to pass through components such as brick walls, concrete beams, and concrete walls. It is applicable to places where strict waterproofing is required for pipes passing through walls in civil air defense, underground projects, chemical industry, steel, tap water, sewage treatment, etc. Generally, the diameter of the embedded sleeve is two specifications larger than the diameter of the pipe to pass through the component. If there is no waterproof requirement for the passing part, a general sleeve is embedded. If there is a waterproof requirement, a waterproof sleeve needs to be embedded. During the use of the existing embedded sleeves, in order to increase the strength and avoid deformation, simple reinforcing ribs are often arranged on the outer surface to improve the strength of the embedded sleeves. However, the simple reinforcing ribs have limited support for the embedded sleeves, and the embedded sleeves lack protection and are prone to bumping and deforming during the embedding process. Therefore, we introduce an embedded positioning sleeve for electrical installation projects. Content of the Utility Model

[0003] The main purpose of the utility model is to provide an embedded positioning sleeve for electrical installation projects, which can effectively solve the problems in the background technique.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] An embedded positioning sleeve for electrical installation projects, including a sleeve body. The front end of the sleeve body is fixedly connected in an inserted manner with a front port, and the rear end of the sleeve body is fixedly connected in an inserted manner with a rear port. A plugging device is inserted and movably connected to the inner walls of both the rear port and the front port. An outer protection device is fixedly connected to the outer surface of the sleeve body. The rear port and the front port have the same structure.

[0006] Preferably, the plugging device includes a cover plate. Upper and lower parts of the front end of the cover plate are both provided with sliding grooves. An activity cavity is opened in the cover plate, and the activity cavity penetrates up and down. Two limit insertion rods are inserted and movably connected in the activity cavity. A spring is fixedly connected to the mutually close ends of the two limit insertion rods. Pressing plates are fixedly connected to the outer surfaces of the two limit insertion rods, and both pressing plates are in a "T" shape structure.

[0007] By adopting the above technical solution: Arc-shaped grooves are opened at the mutually far ends of the two pressing plates, which is convenient for personnel to operate and improves the convenience.

[0008] Preferably, the spring is located in the activity cavity, and the two pressing plates are respectively slidably connected to the two sliding grooves.

[0009] Preferably, upper and lower parts of the inner wall of the front port are both provided with mating sockets.

[0010] Preferably, the two limiting insertion rods respectively extend into the two insertion holes.

[0011] By adopting the above technical solution: after the limiting insertion rod is inserted into the insertion hole, the cover plate cannot move under non-artificial conditions.

[0012] Preferably, a plurality of notches are formed on the outer surface of the sleeve body, and the plurality of notches are annularly and equidistantly distributed.

[0013] Preferably, the outer protection device includes connecting steel rings. There are four connecting steel rings. A plurality of support frames are fixedly connected by being inserted through the four connecting steel rings together. One end of each of the plurality of support frames away from each other is fixedly connected with an arc-shaped support plate. The plurality of support frames are annularly and equidistantly distributed. The plurality of support frames are respectively fixedly connected with the plurality of notches by being inserted through. The four connecting steel rings are all fixedly connected with the outer surface of the sleeve body.

[0014] By adopting the above technical solution: the arc-shaped support plates form a protection barrier to prevent sundries from contacting the sleeve body and protect the sleeve body.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, by fixedly connecting a plurality of support frames and four connecting steel rings on the outer surface of the sleeve body, the strength of the sleeve body can be improved under the cooperation of the four connecting steel rings and the plurality of support frames. By arranging arc-shaped support plates on the plurality of support frames, since the arc-shaped support plates are arc-shaped structures, the outer surface of the sleeve body can be protected under the cooperation of the plurality of arc-shaped support plates, so that the sleeve body can be prevented from being knocked and damaged during transportation or embedding, and the service life of the sleeve body is improved;

[0017] 2. In the utility model, by arranging an activity cavity in the cover plate and inserting two limiting insertion rods into the activity cavity, holding the pressing plates connected to the outer surfaces of the two limiting insertion rods and making the two pressing plates approach each other, so that the two limiting insertion rods approach each other, the two limiting insertion rods contract into the activity cavity, then putting the cover plate into the front port, releasing the two pressing plates, the two limiting insertion rods extend out of the activity cavity under the elastic action of the spring and are inserted into the two insertion holes on the inner wall of the front port, so that the cover plate seals the front port and prevents sundries from entering the sleeve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of a pre-embedded positioning sleeve for an electrical installation project of the utility model;

[0019] Figure 2 is a schematic diagram of the structure of the front port of a pre-embedded positioning sleeve for an electrical installation project of the utility model;

[0020] Figure 3 This is a schematic diagram of the overall structure of a plugging device for a pre-embedded positioning sleeve in an electrical installation project of the present utility model;

[0021] Figure 4 This is a schematic diagram of the overall structure of an outer protection device for a pre-embedded positioning sleeve in an electrical installation project of the present utility model.

[0022] In the figure: 1, sleeve body; 2, rear port; 3, outer protection device; 4, front port; 5, plugging device; 11, notch; 31, connecting steel ring; 32, support frame; 33, arc-shaped support plate; 41, alignment socket; 51, cover plate; 52, sliding groove; 53, movable cavity; 54, limit insertion rod; 55, spring; 56, pressing plate. Specific embodiments

[0023] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0025] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside 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 situations.

[0026] Please refer to Figures 1-4 , the present utility model provides a technical solution:

[0027] An embedded positioning sleeve for an electrical installation project, comprising a sleeve body 1, a front port 4 is fixedly connected to the front end of the sleeve body 1 in an inserted manner, a rear port 2 is fixedly connected to the rear end of the sleeve body 1 in an inserted manner, a plugging device 5 is inserted and movably connected to the inner walls of both the rear port 2 and the front port 4, an outer protection device 3 is fixedly connected to the outer surface of the sleeve body 1 in an inserted manner, and the rear port 2 and the front port 4 have the same structure.

[0028] In this embodiment, the plugging device 5 includes a cover plate 51. Upper and lower parts of the front end of the cover plate 51 are both provided with sliding grooves 52. An activity cavity 53 is formed inside the cover plate 51. The activity cavity 53 penetrates through the upper and lower parts. Two limit insertion rods 54 are inserted and movably connected inside the activity cavity 53. A spring 55 is fixedly connected to the common end of the two limit insertion rods 54 close to each other. Pressure plates 56 are fixedly connected to the outer surfaces of the two limit insertion rods 54. Both of the two pressure plates 56 are in a "T" shape; the spring 55 is located inside the activity cavity 53, and the two pressure plates 56 are respectively slidably connected to the two sliding grooves 52; upper and lower parts of the inner wall of the front port 4 are both provided with mating holes 41; the two limit insertion rods 54 respectively extend into the two mating holes 41; a plurality of notches 11 are formed on the outer surface of the sleeve body 1, and the plurality of notches 11 are distributed at equal intervals in a circular shape.

[0029] Through the above solution: By simultaneously pinching the two pressure plates 56, the two pressure plates 56 can drive the two limit insertion rods 54 to move and approach each other, so that the two limit insertion rods 54 are contracted into the activity cavity 53, and the cover plate 51 can be removed from the front port 4, improving the convenience of installation and disassembly of the plugging device 5.

[0030] In this embodiment, the outer protection device 3 includes a connecting steel ring 31. There are four connecting steel rings 31. A plurality of support frames 32 are fixedly connected to the four connecting steel rings 31 in a common inserted manner. The common ends of the plurality of support frames 32 away from each other are all fixedly connected with arc-shaped support plates 33. The plurality of support frames 32 are distributed at equal intervals in a circular shape. The plurality of support frames 32 are respectively fixedly connected to the plurality of notches 11 in an inserted manner, and the four connecting steel rings 31 are all fixedly connected to the outer surface of the sleeve body 1.

[0031] Through the above solution: The four connecting steel rings 31 and the plurality of support frames 32 are fixed on the outer surface of the sleeve body 1, thereby strengthening the outer surface of the sleeve body 1, improving the strength of the sleeve body 1, and avoiding deformation and damage of the sleeve body 1. The arc-shaped support plates 33 fixed on the plurality of support frames 32 can protect the outer surface of the sleeve body 1 and avoid bump damage to the sleeve body 1.

[0032] It should be noted that the present utility model describes a pre-buried positioning sleeve for electrical installation projects. Outside the sleeve body 1, a plurality of support frames 32 and four connecting steel rings 31 are provided. The plurality of support frames 32 and the four connecting steel rings 31 work together to enhance the structural strength of the sleeve body 1. The support frame 32 is configured with an arc-shaped support plate 33, and the arc-shaped support plate 33 forms an effective protective barrier, effectively resisting accidental knocks during transportation and pre-burial, and extending the service life of the sleeve body 1. Since the cover plate 51 is provided with a movable cavity 53 inside, and two limit insertion rods 54 that can be driven by a spring 55 are arranged in the cavity. During operation, only need to pinch the pressing plate 56 to make the limit insertion rod 54 retract into the movable cavity 53, and then easily embed the cover plate 51 into the front port 4. After releasing the pressing plate 56, the insertion rod 54 automatically extends under the elastic force of the spring 55 and accurately inserts into the mating insertion hole 41 to complete a firm seal, effectively preventing sundries from invading the inside of the sleeve body 1 and ensuring the cleanliness and safety of the internal environment.

[0033] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A pre-buried positioning bushing for electrical installation engineering, comprising a bushing body (1), characterized in that: The front end of the sleeve body (1) is inserted and fixedly connected with a front port (4), the rear end of the sleeve body (1) is inserted and fixedly connected with a rear port (2), the inner wall of the rear port (2) and the inner wall of the front port (4) are both inserted and movably connected with a blocking device (5), the outer surface of the sleeve body (1) is inserted and fixedly connected with an outer protective device (3), and the rear port (2) and the front port (4) have the same structure; The blocking device (5) comprises a cover plate (51), the upper front end and the lower front end of the cover plate (51) are both provided with a slide groove (52), the cover plate (51) is provided with a movable cavity (53), the movable cavity (53) is passed through from top to bottom, two limit rods (54) are inserted and movably connected in the movable cavity (53), the ends of the two limit rods (54) close to each other are commonly fixedly connected to a spring (55), the outer surfaces of the two limit rods (54) are both fixedly connected to a pressure plate (56), and the two pressure plates (56) are both "T"-shaped structures.

2. The pre-buried positioning sleeve for electrical installation engineering according to claim 1, characterized in that: The spring (55) is located in the active cavity (53), and the two pressing plates (56) are slidably connected to the two sliding grooves (52) respectively.

3. The pre-buried positioning sleeve for electrical installation engineering according to claim 1, characterized in that: The upper inner wall portion and the lower inner wall portion of the front port (4) are both provided with a pair of insertion holes (41).

4. The pre-buried positioning sleeve for electrical installation engineering according to claim 1, characterized in that: The two limiting insertion rods (54) extend into the two opposing insertion holes (41) respectively.

5. The pre-buried positioning sleeve for electrical installation engineering according to claim 1, characterized in that: The outer surface of the sleeve body (1) is provided with a plurality of notches (11), and the plurality of notches (11) are distributed in a circular shape at equal distances.

6. The pre-buried positioning sleeve for electrical installation engineering according to claim 1, characterized in that: The outer protection device (3) comprises a connecting steel ring (31), wherein four connecting steel rings (31) are provided, wherein the four connecting steel rings (31) are interlaced and fixedly connected to a plurality of support frames (32), wherein ends of the plurality of support frames (32) that are away from each other are fixedly connected to an arc-shaped support plate (33), wherein the plurality of support frames (32) are distributed in a circular shape at equal distances, wherein the plurality of support frames (32) are interlaced and fixedly connected to a plurality of notches (11) respectively, and wherein the four connecting steel rings (31) are fixedly connected to the outer surface of the sleeve body (1).

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