PE line pipe with high sealing performance
By designing a PE wire pipe including casing, bearing groove, convex ring, clamp groove, shrapnel, sealing gasket, expansion rubber ring and rubber ring, the problems of cumbersome connection methods and insufficient sealing are solved, rapid splicing and high sealing are achieved, and construction efficiency and practicality are improved.
Patent Information
- Application Number
- CN202420733410.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-10
AI Technical Summary
The existing PE wire pipe connection methods are complicated and complex, which affects the construction and laying efficiency, and is insufficient sealing, making it prone to leakage problems.
A PE wire tube including casing, bearing groove, convex ring, clamp groove, shrapnel, sealing gasket, expansion rubber ring and rubber ring is designed. Through the cooperation of these structures, rapid splicing and double sealing are achieved.
It improves the splicing efficiency and sealing of PE wire pipes, simplifies operation, reduces dependence on external auxiliary devices, and improves construction efficiency and practicality.
Smart Images
Figure CN222691260U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PE wire pipes, in particular to a PE wire pipe with strong sealing performance. Background Art
[0002] PE wire, whose simplified Chinese name is called [protective conductor], is what we usually call [ground wire]. my country stipulates that PE wire is a green-yellow two-color wire. PE wire is a conductor specially used to ground the exposed conductive parts of electrical equipment. The PE wire pipe, also known as the PE wire threading pipe, is made of polyethylene, which is corrosion-resistant and wear-resistant. It is used to protect the PE wire when it is buried under the surface.
[0003] The existing PE pipes, after searching, the splicing and expansion methods of PE pipes mainly include the following:
[0004] Hot melt connection: including hot melt butt connection, hot melt socket connection and hot melt saddle connection. Hot melt connection is to use a special heating tool to heat the part of the pipe or pipe fitting to be connected to make it melt, then remove the heating tool and apply pressure to make the two molten surfaces tightly connected, and maintain the pressure until the joint cools down;
[0005] Electric fusion connection: including electric fusion socket connection and electric fusion saddle connection. Electric fusion connection is to use electric fusion pipe fittings containing resistance wire to closely contact with the connection parts of PE pipes or pipe fittings and energize them. The resistance wire heats the connection parts to melt them into one until the joint cools down.
[0006] Socket-type flexible connection. This connection method is to directly insert one end of the PE pipe into the reinforced polyethylene socket, and the locking ring in the socket is pressed to resist pulling, and the rubber sealing ring is pressed to seal to achieve the purpose of connection;
[0007] However, the above connection methods all require external auxiliary devices to splice and expand the two pipes during splicing. The connection method is cumbersome, the operation is complicated and time-consuming, so when laying pipelines over longer distances, it takes a certain amount of time to assemble the pipelines first, which greatly affects the construction and laying efficiency, has poor practicality, and is not conducive to construction and use.
[0008] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a PE line pipe with strong sealing performance is proposed. Utility Model Content
[0009] The utility model aims to provide a PE line pipe with strong sealing performance to solve the problems raised in the above background technology.
[0010] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PE wire pipe with strong sealing performance, including a sleeve, a receiving groove is provided on the front edge surface of the sleeve, a clamping groove is provided on the rear end below the inner surface of the receiving groove, a convex ring is fixedly provided on the rear edge surface of the sleeve, a spring piece is fixedly provided on the rear side of the inner surface of the convex ring, the size and length of the convex ring is just adapted to the receiving groove, and the spring piece is inclined toward the inside of the sleeve.
[0011] Preferably, a sealing gasket is fixedly provided at the front end of the sleeve at the outer edge of the receiving groove, and the sealing gasket is made of rubber material.
[0012] Preferably, an expansion rubber ring is fixedly provided on the lower front side of the inner surface of the receiving groove, and the expansion rubber ring is made of rubber mixed with nylon cloth and steel wire.
[0013] Preferably, a recessed groove is provided on the front side of the inner surface of the convex ring, and the shape and size of the recessed groove are adapted to the expansion rubber ring.
[0014] Preferably, rubber rings are fixedly provided at the openings at both left and right ends of the inner surface of the sleeve, and the shape of the rubber rings is a conical ring.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. The utility model greatly improves the efficiency and convenience of extending and assembling the sleeves with each other through the arrangement of the receiving groove, the convex ring, the clamping groove and the spring piece, and the operation is simple and the connection is stable, and no additional auxiliary structural parts are required, so the practicability is higher;
[0017] 2. The utility model can perform double sealing on the inside and outside of the connecting end of the casing by setting the sealing pad, the expansion rubber ring and the sink groove, which greatly improves the sealing of the casing after splicing and avoids leakage at the joint;
[0018] 3. The utility model provides a rubber ring. When the wiring is routed inside the casing, the wiring harness will first pass through the middle hole of the rubber ring. The wiring harness props up the opening to expand the rubber ring. Under the elastic force of the rubber ring itself, it will adhere to the surface of the wiring harness. Thus, at the openings at both ends, the rubber sleeve on the surface of the wiring harness is used to isolate the middle position of the casing from the two ends. Even if leakage and damage occur at the joint of the casing, the interior of the casing will not be affected, thereby further improving the sealing performance of the casing. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the cross-sectional structure of the front end of the casing of the utility model;
[0020] Figure 2 This is a schematic diagram of the rear view structure of the casing of the utility model;
[0021] Figure 3 This is a schematic diagram of the rear cross-sectional structure of the convex ring of the utility model;
[0022] Figure 4 It is a schematic diagram of the cross-sectional structure of the middle part of the casing of the utility model when viewed from the front.
[0023] In the figure: 1, sleeve; 2, receiving groove; 3, convex ring; 4, sealing gasket; 5, expansion rubber ring; 6, sink groove; 7, clamping groove; 8, spring piece; 9, rubber ring. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] like Figure 1-Figure 4 As shown, a PE wire pipe with strong sealing performance includes a sleeve 1, a receiving groove 2 is opened on the front edge surface of the sleeve 1, a clamping groove 7 is opened at the rear end below the inner surface of the receiving groove 2, a convex ring 3 is fixedly provided on the rear edge surface of the sleeve 1, and a spring piece 8 is fixedly provided on the rear side of the inner surface of the convex ring 3. The size and length of the convex ring 3 are just adapted to the receiving groove 2, and the spring piece 8 is inclined toward the inside of the sleeve 1.
[0026] Through the above technical solution, the spring piece 8 can use the inclined surface to fit the inner surface of the convex ring 3 when inserted. When the spring piece 8 follows the convex ring 3 to the bottom of the receiving groove 2, the spring piece 8 is flush with the slot 7. At this time, under the elastic action of the spring piece 8 itself, it will immediately pop out and be inserted into the slot 7 in a hook shape, so that the two sleeves 1 can be quickly assembled and spliced.
[0027] Furthermore, a sealing gasket 4 is fixedly provided at the front end of the sleeve 1 at the outer edge of the receiving groove 2, and the sealing gasket 4 is made of rubber material.
[0028] Through the above technical solution, the sealing gasket 4 fits the joint between the outer ends of the two sleeves 1 to improve the sealing performance of the outer side.
[0029] Furthermore, an expansion rubber ring 5 is fixedly provided on the front side of the lower inner surface of the receiving groove 2, and the expansion rubber ring 5 is made of rubber mixed with nylon cloth and steel wire. A recessed groove 6 is opened on the front side of the inner surface of the convex ring 3, and the shape and size of the recessed groove 6 are adapted to the expansion rubber ring 5.
[0030] Through the above technical solution, the expansion rubber ring 5 will rebound and expand under its own non-plastic force, and then fill the entire sink groove 6. The surface of the expansion rubber ring 5 fits tightly with the inner surface of the sink groove 6 to seal the internal connection points.
[0031] Furthermore, rubber rings 9 are fixedly provided at the openings at both left and right ends of the inner surface of the sleeve 1, and the shape of the rubber ring 9 is a conical ring.
[0032] Through the above technical solution, the rubber ring 9 will adhere tightly to the surface of the wire harness under its own elastic force, so that at the openings at both ends, the rubber sleeve on the surface of the wire harness is used to isolate the middle position of the sleeve 1 from the two ends. Even if leakage and damage occur at the joint of the sleeve 1, the interior of the sleeve 1 will not be affected, thereby further improving the sealing performance of the sleeve 1.
[0033] Working principle: When using the PE wire pipe with strong sealing performance, first, according to the wiring length, the rear end convex ring 3 of one casing 1 can be inserted into the receiving groove 2 at the front end of the other casing 1. At this time, the receiving groove 2 will use the inclined surface to squeeze the spring piece 8 to fit the inner surface of the convex ring 3. When the spring piece 8 follows the convex ring 3 to penetrate into the bottom of the receiving groove 2, the spring piece 8 is flush with the card groove 7. At this time, under the elastic action of the spring piece 8 itself, it will immediately pop out and be inserted into the card groove 7 in a barb shape, so that the two casings 1 can be quickly assembled and spliced. When the two casings 1 are connected, the expansion rubber ring 5 will be squeezed and contracted when the convex ring 3 is inserted. When the convex ring 3 is fully inserted, that is, the casing 1 connection is completed, the expansion rubber ring 5 is flush with the sink 6, and the expansion rubber ring 5 will rebound and expand under its own non-plastic force, and then fill the entire sink groove 6. The surface of the expanded rubber ring 5 is tightly fitted with the inner surface of the sink groove 6 to seal the internal connection points, and the sealing gasket 4 will tightly fit the seam of the outer edge between the sleeves 1, so as to perform double sealing on the inside and outside. Then the wiring can be routed in the sleeve 1, and the wiring harness will preferentially pass through the middle perforation of the rubber ring 9. The wiring harness props up the opening to expand the rubber ring 9, and under the elastic force of the rubber ring 9 itself, it will adhere to the surface of the wiring harness, so that at the openings at both ends, the wiring harness surface rubber sleeve is used to isolate the middle position of the sleeve 1 from the two ends. Even if the joint of the sleeve 1 leaks and is damaged, the inside of the sleeve 1 will not be affected. This is the working principle of the PE wire pipe with strong sealing performance.
Claims
1. A PE line pipe with strong sealing performance, comprising a casing (1), characterized in that: The front edge surface of the sleeve (1) is provided with a receiving groove (2), the inner surface of the receiving groove (2) is provided with a clamping groove (7) at the rear end below the inner surface, the rear edge surface of the sleeve (1) is fixedly provided with a convex ring (3), the inner surface of the convex ring (3) is fixedly provided with a spring piece (8) at the rear side, the size and length of the convex ring (3) is exactly matched with the receiving groove (2), and the spring piece (8) is arranged to be inclined toward the inside of the sleeve (1).
2. A PE line pipe with strong sealing performance according to claim 1, characterized in that: A sealing gasket (4) is fixedly arranged at the front end of the sleeve (1) at the outer edge of the receiving groove (2), and the sealing gasket (4) is made of rubber material.
3. The PE conduit with strong sealing performance according to claim 1, characterized in that: An expansion rubber ring (5) is fixedly arranged on the front side of the lower inner surface of the receiving groove (2), and the expansion rubber ring (5) is made of rubber mixed with nylon cloth and steel wire.
4. The PE conduit with strong sealing performance according to claim 1, characterized in that: A recessed groove (6) is provided on the front side of the inner surface of the convex ring (3), and the shape and size of the recessed groove (6) are adapted to the expansion rubber ring (5).
5. The PE conduit with strong sealing performance according to claim 1, characterized in that: The inner surface of the sleeve (1) is fixedly provided with rubber rings (9) at both left and right openings, and the rubber rings (9) are in the shape of a conical ring.