CN220186156U - Buckle connection type sleeve - Google Patents

Abstract

The utility model relates to the field of corrugated pipe connection structures, in particular to a buckle connection type sleeve. The sleeve comprises a sleeve body, wherein the sleeve body is of a cylindrical structure, two concave grooves a which are symmetrical along the axial direction are formed in the outer peripheral surface of the sleeve body, two symmetrical inward convex buckling parts are formed in the inner wall of the sleeve body, a concave groove b is formed in the outer peripheral surface of the sleeve body, an inward convex positioning ring part is formed in the inner wall of the sleeve body, and the positioning ring part is positioned between the two buckling parts. The utility model has simple structure, convenient production and high production efficiency.

Description

Buckle connection type sleeve

Technical Field

The utility model relates to the field of corrugated pipe connection structures, in particular to a buckle connection type sleeve.

Background

The drain pipe is divided into a plastic drain pipe, a concrete pipe and a reinforced concrete pipe, and mainly bears the drainage tasks of rainwater, sewage, farmland drainage and irrigation and the like, and is particularly used for water supply and drainage of municipal engineering, water purification plants, sewage plants, garbage yards and the like; longitudinally and transversely draining and permeating water of the expressway; the back of various soil blocking walls and side ditches of the expressway are vertically and horizontally drained, etc. The corrugated pipe is a commonly used drain pipe. The length of a single bellows determines that when the length of the main pipe to be connected is long, a plurality of bellows need to be connected. The connection is typically made using a sleeve structure, with the bellows threaded to the inside ends of the sleeve.

Chinese patent publication No. CN218818792U discloses a transparent visual double-clip connector for double-wall corrugated pipe connection. The device comprises a sleeve, a rubber ring and a limit buckle; the sleeve is of a transparent cylindrical structure, the sleeve is provided with a middle cylinder part and at least two connecting cylinder parts, the middle cylinder part is integrally connected with the connecting cylinder parts, an opening is formed in the connecting cylinder parts, a limiting buckle part is formed at the opening, a plurality of groups of jack groups are formed in the connecting cylinder parts, the sleeve is provided with an inward convex positioning part which protrudes inwards and forms an abutting position, and the inward convex positioning part, the jacks and the limiting buckle parts are sequentially distributed along the direction from the middle part to the end part of the sleeve; the rubber ring is arranged on the inner wall of the connecting cylinder part of the sleeve; the limit buckle is inserted and buckled at the jack group. The sleeve is transparent, and a person can see the sealing connection condition of the rubber ring and connect and limit the corrugated pipe in two limiting modes so as to improve the connection firmness.

However, the above technical solution has the following disadvantages:

the whole sleeve is complex in structure, the limiting buckle part is not easy to process, and the production efficiency is low during mass production.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a buckle connection type sleeve which is simple in structure, convenient to produce and high in production efficiency.

The technical scheme of the utility model is that the buckle connection type sleeve comprises a sleeve body, wherein the sleeve body is of a cylindrical structure, two concave grooves a which are symmetrical along the axial direction are formed in the outer peripheral surface of the sleeve body, two symmetrical inward convex buckle parts are formed in the inner wall of the sleeve body, a concave groove b is formed in the outer peripheral surface of the sleeve body, an inward convex positioning ring part is formed in the inner wall of the sleeve body, and the positioning ring part is positioned between the two buckle parts.

Preferably, the fastening part is in any one of the following two structural forms:

a1: the buckling part is of an annular inward convex structure;

a2: the buckling part is of a nipple-shaped inward convex structure and at least two buckling parts are arranged around the sleeve body.

Preferably, the buckling part gradually inclines towards the direction of the positioning ring part along the direction from the outer side to the inner side of the sleeve body.

Preferably, the novel reinforced concrete structure further comprises a reinforced rib part, wherein the reinforced rib part is in any one of the following three structural forms:

b1: the reinforcing rib part is of an annular structure, is coaxially arranged on the outer peripheral surface of the sleeve body, and is arranged in a plurality of side-by-side along the axial direction of the sleeve body;

b2: the reinforcing rib parts are of strip-shaped structures, are arranged on the outer peripheral surface of the sleeve body along the direction parallel to the central shaft of the sleeve body, and are uniformly arranged in a plurality of ways around the central shaft of the sleeve body;

b3: the strengthening rib portion is the network structure, and the coaxial setting of strengthening rib portion is on sleeve body outer peripheral face.

Preferably, the cross-sectional profile of the sleeve body in the radial direction is any one of the following three forms:

c1: the contour inner edge and the contour outer edge are both round;

c2: the inner edge of the contour is round, and the outer edge of the contour is regular polygon;

and C3: the contour inner edge and the contour outer edge are both regular polygons.

Compared with the prior art, the utility model has the following beneficial technical effects:

the utility model has simple structure, convenient production and high production efficiency. The sleeve body is of an integrally formed structure. When being used for the connection of two bellows with this sleeve, bellows tip butt is in locating ring portion department, and buckle portion card is spacing in the trough department of bellows, and rubber ring sealing connection is on sleeve body inner wall, effectively guarantees sealing connection effect.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model applied to the connection of two corrugated pipes;

FIG. 2 is a cross-sectional view of the structure of FIG. 1;

FIG. 3 is a schematic diagram of a first embodiment of the present utility model;

FIG. 4 is a schematic structural diagram of a second embodiment of the present utility model;

FIG. 5 is a schematic diagram of a third embodiment of the present utility model;

FIG. 6 is a schematic diagram of a fourth embodiment of the present utility model;

FIG. 7 is a schematic diagram of a fifth embodiment of the present utility model;

FIG. 8 is a cross-sectional view of a fifth embodiment of the present utility model;

FIG. 9 is a schematic diagram of a sixth embodiment of the present utility model;

FIG. 10 is a cross-sectional view showing the structure of a sixth embodiment of the present utility model;

FIG. 11 is a schematic diagram of a seventh embodiment of the present utility model;

fig. 12 is a structural cross-sectional view of a seventh embodiment of the present utility model.

Reference numerals: 100. a bellows; 200. a rubber ring; 1. a sleeve body; 101. a groove a; 102. a groove b; 11. a fastening part; 12. a positioning ring portion; 13. reinforcing rib parts.

Detailed Description

Example 1

As shown in fig. 1-3, the buckle connection type sleeve provided in this embodiment includes a sleeve body 1, where the sleeve body 1 is of a cylindrical structure, and an inner edge of a contour and an outer edge of a contour of a cross section of the sleeve body 1 along a radial direction are both circular, so that the entire sleeve is of a rotary structure, and more convenient for production; during production, the buckle connection type sleeve is selected from but not limited to a production process of a double-wall corrugated pipe to produce a sleeve pipe with a longer size, and then the sleeve pipe is cut in sections according to the size of a single buckle connection type sleeve to obtain a single integrated sleeve structure, so that the production efficiency is effectively improved.

The sleeve body 1 is provided with two concave grooves a101 which are symmetrical along the axial direction and two symmetrical concave buckling parts 11 are formed on the inner wall of the sleeve body 1, the sleeve body 1 is provided with concave grooves b102 on the outer peripheral surface and an inward convex positioning ring part 12 is formed on the inner wall of the sleeve body 1, the positioning ring part 12 is positioned between the two buckling parts 11, the buckling parts 11 are of annular inward convex structures, the buckling parts 11 gradually incline towards the direction of the positioning ring part 12 along the outer side to the inner side direction of the sleeve body 1, the inclination angle can be 40 degrees, when the corrugated pipe 100 is inserted into the sleeve body 1, the corrugated pipe 100 can smoothly pass through the inclined buckling parts 11, when the corrugated pipe 100 is abutted at the positioning ring part 12, the buckling parts 11 can be obliquely clamped into the trough of the corrugated pipe 100, the buckling parts 11 are not easy to fall off, and the buckling parts 11 can be clamped in the first trough or the second trough counted inwards from the end part of the corrugated pipe 100.

The embodiment has simple structure, convenient production and high production efficiency. The sleeve body 1 is an integrally formed structure, an inwardly protruding positioning ring portion 12 is formed by one groove b102, and two inwardly protruding snap-fit portions 11 are formed by two grooves a 101. When the sleeve is used for connecting two corrugated pipes 100, the two corrugated pipes 100 are respectively sleeved with the rubber rings 200, the rubber rings 200 are sleeved in the third trough or the fourth trough of the inward numbers of the end parts of the corrugated pipes 100, then the two corrugated pipes 100 are respectively inserted into the sleeve body 1 from two sides, the wave crests of the two corrugated pipes 100 are respectively pushed away by the two buckling parts 11 until the end parts of the corrugated pipes 100 are abutted to the positioning ring parts 12, at this time, the buckling parts 11 are clamped at the trough parts of the corrugated pipes 100 to limit, and the rubber rings 200 are connected on the inner wall of the sleeve body 1 in a sealing way.

Example two

As shown in fig. 4, in this embodiment, compared with the first embodiment, the buckle connection type sleeve further includes a reinforcing rib portion 13, the reinforcing rib portion 13 is in an annular structure, and the reinforcing rib portion 13 is coaxially disposed on the outer circumferential surface of the sleeve body 1 and is disposed in parallel along the axial direction of the sleeve body 1, so that the structural strength of the sleeve can be effectively improved through the annular reinforcing rib portion 13, the sleeve is not easy to deform, and the connection reliability of the inner corrugated tube 100 can be ensured.

Example III

As shown in fig. 5, in the buckle connection type sleeve according to the present embodiment, compared with the second embodiment, the reinforcing rib portion 13 has a strip-shaped structure, the reinforcing rib portion 13 is disposed on the outer circumferential surface of the sleeve body 1 along the direction parallel to the central axis of the sleeve body 1, and the reinforcing rib portion 13 is uniformly disposed around the central axis of the sleeve body 1, so that the structural strength of the sleeve can be effectively improved through the strip-shaped reinforcing rib portion 13, the sleeve is not easy to deform, and the connection reliability of the inner corrugated tube 100 can be ensured.

Example IV

As shown in fig. 6, in the buckle connection type sleeve according to the present embodiment, compared with the second embodiment, the reinforcing rib portion 13 has a mesh structure, and the reinforcing rib portion 13 is coaxially disposed on the outer circumferential surface of the sleeve body 1, so that the structural strength of the sleeve can be effectively improved through the mesh reinforcing rib portion 13, the sleeve is not easy to deform, and the connection reliability of the inner corrugated tube 100 can be ensured.

Example five

As shown in fig. 7 and 8, in the buckle connection type sleeve provided in this embodiment, compared with the first embodiment, the inner edge of the profile of the radial cross section of the sleeve body 1 is circular, the outer edge of the profile is regular polygon, so that the regular polygon sleeve can be placed more stably when the sleeve and the corrugated pipe 100 are buried underground, deflection is not easy to occur when the sleeve is filled with earth, and the sealing connection of the rubber ring 200 with the corrugated pipe 100 and the sleeve body 1 can be effectively ensured without leakage.

Example six

As shown in fig. 9 and 10, in the present embodiment, compared with the first embodiment and the fifth embodiment, the inner edge and the outer edge of the profile of the cross section of the sleeve body 1 along the radial direction are both regular polygons, so that the regular polygons can be more stably placed when the sleeve and the corrugated pipe 100 are buried underground, deflection is not easy to occur when the sleeve is filled, and leakage is not caused when the rubber ring 200 is used for sealing and connecting the corrugated pipe 100 and the sleeve body 1.

Example seven

As shown in fig. 11 and 12, in the present embodiment, compared with the first embodiment to the sixth embodiment, the fastening portion 11 has a nipple-shaped inward protruding structure, and at least two fastening portions 11 are disposed around the sleeve body 1, and the fastening portion 11 gradually inclines toward the positioning ring portion 12 along the direction from the outside to the inside of the sleeve body 1. The plurality of buckling parts 11 are in point type distribution, the concave range is small, the amount of raw materials required for production is small, the production cost can be saved, the produced sleeve can still be clamped into the trough of the corrugated pipe 100 for limiting through the buckling parts 11 with the nipple-shaped inward protrusions, and the corrugated pipe 100 can still be kept to have a good connecting effect.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (5)

1. A snap-fit sleeve comprising:

the sleeve body (1), sleeve body (1) is tubular structure, is provided with two indent recess a (101) along axial symmetry on sleeve body (1) outer peripheral face and forms two symmetrical interior protruding buckle portion (11) at sleeve body (1) inner wall, is provided with indent recess b (102) on sleeve body (1) outer peripheral face and forms interior protruding holding ring portion (12) at sleeve body (1) inner wall, and holding ring portion (12) are located between two buckle portions (11).

2. A snap-on sleeve according to claim 1, characterized in that the snap-on portion (11) is of either of the following two configurations:

a1: the buckling part (11) is of an annular inward convex structure;

a2: the buckling parts (11) are nipple-shaped inward convex structures, and at least two buckling parts are arranged around the sleeve body (1).

3. A snap-on sleeve according to claim 2, characterized in that the snap-on portion (11) is inclined gradually in the direction of the positioning ring portion (12) from the outside to the inside of the sleeve body (1).

4. The snap-fit sleeve according to claim 1, further comprising a rib portion (13), the rib portion (13) being any one of three structural forms:

b1: the reinforcing rib parts (13) are of annular structures, the reinforcing rib parts (13) are coaxially arranged on the outer peripheral surface of the sleeve body (1), and a plurality of reinforcing rib parts are arranged side by side along the axial direction of the sleeve body (1);

b2: the reinforcing rib parts (13) are of strip-shaped structures, the reinforcing rib parts (13) are arranged on the outer peripheral surface of the sleeve body (1) along the direction parallel to the central shaft of the sleeve body (1), and the reinforcing rib parts (13) are uniformly arranged in a plurality of ways around the central shaft of the sleeve body (1);

b3: the reinforcing rib part (13) is of a net structure, and the reinforcing rib part (13) is coaxially arranged on the outer peripheral surface of the sleeve body (1).

5. A snap-fit sleeve according to claim 1, characterized in that the cross-sectional profile of the sleeve body (1) in the radial direction is any one of the following three forms:

c1: the contour inner edge and the contour outer edge are both round;

c2: the inner edge of the contour is round, and the outer edge of the contour is regular polygon;

and C3: the contour inner edge and the contour outer edge are both regular polygons.