CN219298274U

CN219298274U - Plastic inspection well

Info

Publication number: CN219298274U
Application number: CN202223594675.2U
Authority: CN
Inventors: 张润芳; 马小云; 于建成; 许凤飞; 李文龙; 黄文胜; 蓝丽丽; 李振枢; 曾刚; 李乐
Original assignee: Guangxi Construction Engineering Group Construction Engineering General Contracting Co ltd
Current assignee: Guangxi Construction Engineering Group Construction Engineering General Contracting Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-04
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the field of inspection wells, in particular to a plastic inspection well. The plastic inspection well comprises a well cover, a well shaft and a well seat, wherein the well shaft is a corrugated pipe, two pipe connecting ports are communicated with the side wall of the well seat, a socket for connecting the well shaft is arranged at the top of the well seat, a coaxial annular baffle is arranged on the inner side of the socket, an annular groove for the insertion of the well shaft is formed between the annular baffle and the side wall of the socket, the width of the annular groove is equal to the wall thickness of the well shaft, a plurality of convex rings are arranged on the inner side wall of the socket along the length direction at intervals, the longitudinal section of each convex ring is in the shape of a barb, a plurality of biting teeth are arranged on the top end of the side wall of the socket along the circumferential interval, the biting teeth incline inwards, a fixing sleeve is sleeved on the outer side of each biting tooth, and the fixing sleeve is used for locking the biting teeth. The plastic inspection well can ensure stable and firm connection between the well shaft and the well seat.

Description

Plastic inspection well

Technical Field

The utility model relates to the field of inspection wells, in particular to a plastic inspection well.

Background

The plastic inspection well is commonly called as a plastic inspection well, and is a drainage auxiliary structure which is arranged at the junction, the turning part, the pipe diameter or gradient change part of a plastic drainage pipeline or at the place of water drop or at a certain distance on a straight pipe section and is convenient for periodically inspecting, cleaning and dredging the pipeline.

When the existing plastic inspection well is installed, the corrugated well shaft is connected with the well seat in a socket joint mode, but the contact area between the outer wall of the corrugated well shaft and the inner wall of the well seat is small, the well shaft and the well seat bear strong pressure for a long time, the corrugated well shaft and the well seat are not firm enough in a general connection mode, and a sewage disposal channel established through the well shaft is not stable enough, so that displacement is likely to occur.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the plastic inspection well which can ensure stable and firm connection and sealing of the well shaft and the well seat.

In order to solve the technical problems, the utility model provides a plastic inspection well, which comprises a well cover, a well shaft and a well seat, wherein the well shaft is a corrugated pipe, two pipe connecting ports are communicated with the side wall of the well seat, a socket for connecting the well shaft is arranged at the top of the well seat, a coaxial annular baffle is arranged at the inner side of the socket, an annular groove for inserting the well shaft is formed between the annular baffle and the side wall of the socket, the width of the annular groove is equal to the wall thickness of the well shaft, a plurality of convex rings are arranged on the inner side wall of the socket at intervals along the length direction, the longitudinal section of the convex rings is in a barb shape, a plurality of biting teeth are arranged on the top end of the side wall of the socket at intervals along the circumferential direction, the biting teeth incline inwards, a fixing sleeve is sleeved at the outer side of the biting teeth, and the biting teeth are fixedly sleeved on locking biting teeth and used for fixing the well shaft.

In some embodiments, one end of the fixing sleeve is provided with a connecting port, and the inner wall of the connecting port can prop against the outer wall of the biting teeth to compress the biting teeth. In at least one embodiment, the outer wall of the socket is provided with a first shoulder, and a plurality of screw holes are formed in the first shoulder at intervals along the circumferential direction; the outer wall of the other end of the fixed sleeve is provided with a second shoulder, a plurality of through holes corresponding to the screw holes are formed in the second shoulder at intervals along the circumferential direction, and the through holes are provided with screws which penetrate through the through holes and are in threaded connection with the screw holes.

The utility model at least realizes the following beneficial effects:

an annular groove for inserting a shaft is formed between the annular baffle and the side wall of the socket, the corrugated shaft is kept to be vertically inserted into the socket of the well seat, the outer wall of the shaft is contacted with a convex ring on the inner side wall of the socket, the longitudinal section of the convex ring is in a barb shape, the convex ring is contacted with the outer wall of the shaft, the friction force is increased, and the shaft can be limited by the convex ring when moving outwards; the lateral wall top of bellmouth is equipped with a plurality of biting teeth along circumference interval, bites tooth inward sloping, installs fixed cover, and fixed cover can compress tightly bites the tooth for bitten tooth firmly supports at the pit shaft outer wall, plays fixed action to the pit shaft, promotes the firm nature when pit shaft and well seat are connected, avoids shifting and guarantees the leakproofness.

Drawings

One or more embodiments of the present utility model will now be described, by way of example only, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic diagram of one embodiment of the present utility model;

FIG. 2 is an exploded view of the embodiment of FIG. 1;

FIG. 3 is a schematic illustration of the connection between the wellbore and the well base of the embodiment of FIG. 1;

FIG. 4 is an enlarged partial view of area A of FIG. 3;

FIG. 5 is a schematic view of the structure of the retaining sleeve of the embodiment of FIG. 1;

FIG. 6 is a schematic top view of the well base of the embodiment of FIG. 1;

FIG. 7 is a schematic view of the bottom structure of the well base of the embodiment of FIG. 1;

the reference numerals in the figures are: 1. a well cover; 2. a wellbore; 3. a well base; 31. a launder; 4. a pipe connecting port; 5. a socket; 51. a convex ring; 52. a first shoulder; 521. a screw hole; 53. an annular clamping groove; 6. an annular baffle; 7. an annular groove; 8. biting teeth; 81. teeth; 9. a fixed sleeve; 91. a connection port; 92. a second shoulder; 921. a through hole; 100. a screw; 200. reinforcing ribs; 300. and (3) sealing rings.

Detailed Description

The utility model will be described in detail hereinafter with reference to exemplary embodiments in the accompanying drawings. It should be understood, however, that this utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the utility model to those skilled in the art.

In the description of the present utility model, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

As shown in fig. 1 to 7, in one embodiment of the present utility model, a plastic manhole includes a manhole cover 1, a shaft 2, and a manhole base 3. The pit shaft 2 is the bellows, the lateral wall intercommunication of well seat 3 has two takeover mouths 4, takeover mouths 4 are used for connecting buried drain pipe, the top of well seat 3 is equipped with the bellmouth 5 that is used for connecting pit shaft 2, the inboard of bellmouth 5 is equipped with coaxial annular baffle 6, form between annular baffle 6 and the bellmouth 5 lateral wall and supply pit shaft 2 male annular groove 7, and the width of annular groove 7 equals with pit shaft 2's wall thickness, the inside wall of bellmouth 5 is equipped with a plurality of bulge loops 51 along length direction interval, the longitudinal section of bulge loops 51 is barb form, the lateral wall top of bellmouth 5 is equipped with a plurality of biting teeth 8 along circumference interval, biting teeth 8 inwards slope, biting teeth 8 are elastic plastic material, biting teeth 8 outside cover has fixed cover 9, fixed cover 9 is used for locking biting teeth 8, biting teeth 8 are used for fixed pit shaft 2.

Optionally, one end of the fixed sleeve 9 is provided with a connecting port 91, the caliber of the connecting port 91 is smaller than the outer diameter of the biting tooth 8, and when the fixed sleeve 9 is sleeved on the bell mouth 5, the inner wall of the connecting port 91 can prop against the outer wall of the biting tooth 8 to be used for pressing the biting tooth 8, so that the biting tooth 8 bites on the outer wall of the shaft 2; in addition, the inside wall of the biting teeth 8 is provided with teeth 81, and the teeth 81 can be just clamped into the trough of the outer wall of the shaft 2. Further, the outer wall of the socket 5 is provided with a first shoulder 52, and a plurality of screw holes 521 are formed in the first shoulder 52 at intervals along the circumferential direction; the outer wall of the other end of the fixing sleeve 9 is provided with a second shoulder 92, a plurality of through holes 921 corresponding to the screw holes 521 are formed in the second shoulder 92 at intervals along the circumferential direction, the through holes 921 are provided with screws 100, and the screws 100 penetrate through the through holes 921 and are in threaded connection with the screw holes 521, so that the fixing sleeve 9 is firmly fixed outside the socket 5.

Optionally, a sealing ring 300 is sleeved at one end of the shaft 2 connected with the well seat 3; the inner side wall of the bell mouth 5 above the convex ring 51 is provided with an annular clamping groove 53 matched with the sealing ring 300, the shaft 2 is inserted into the bell mouth 5, the sealing ring 300 is clamped into the annular clamping groove 53, and the sealing ring 300 is tightly contacted with the inner wall of the annular clamping groove 53, so that the tightness is ensured.

Optionally, a plurality of reinforcing ribs 200 distributed in a criss-cross mode are arranged on the outer wall of the bottom of the well seat 3, the reinforcing ribs 200 mutually support, the bearing strength of the plastic inspection well seat 3 is enhanced, and the condition that the bottom structure of the inspection well seat 3 is damaged is reduced. The bottom of the inner cavity of the well seat 3 is provided with a flow groove 31, the flow groove 31 is communicated with the two connecting pipe ports 4, and the flow groove 31 has a flow guiding function.

According to the utility model, the barb-shaped convex rings 51 are arranged on the inner side wall of the bell mouth 5, the sealing ring 300 is sleeved on the shaft 2 and then inserted into the bell mouth 5, and as the biting teeth 8 are made of elastic plastic, the shaft 2 can be directly inserted into the bell mouth 5, the sealing ring 300 is clamped into the annular clamping groove 53, the sealing ring 300 can ensure tightness, the barb-shaped convex rings 51 can be contacted with the outer wall of the shaft 2, so that friction force is increased, the shaft 2 is limited by the convex rings 51 after being inserted, cannot move outwards, displacement is avoided, and a stable state is maintained; in addition, when the fixed sleeve 9 is arranged outside the socket 5 through the screw 100, the screw 100 is screwed, at the moment, the fixed sleeve 9 can press the biting teeth 8, the biting teeth 8 are folded inwards to be propped against the outer wall of the shaft 2, and the teeth 81 of the biting teeth 8 can be clamped into the trough of the outer wall of the shaft 2, so that the shaft 2 and the well seat 3 are firmly connected together, and the firmness and the tightness are ensured.

It should be understood that all of the above embodiments are exemplary and not limiting, and that various modifications or variations to the specific embodiments described above will be within the scope of the utility model as contemplated by those skilled in the art.

Claims

1. The utility model provides a plastics inspection shaft, includes well lid (1), pit shaft (2) and well seat (3), pit shaft (2) are the bellows, the lateral wall intercommunication of well seat (3) has two to connect mouth of pipe (4), and the top of well seat (3) is equipped with bellmouth (5) that are used for connecting pit shaft (2), its characterized in that: the inside of bellmouth (5) is equipped with coaxial annular baffle (6), form between annular baffle (6) and the bellmouth (5) lateral wall and supply pit shaft (2) male annular groove (7), and the width of annular groove (7) equals with the wall thickness of pit shaft (2), the inside wall of bellmouth (5) is equipped with a plurality of bulge loops (51) along length direction interval, the longitudinal section of bulge loop (51) is the barb form, the lateral wall top of bellmouth (5) is equipped with a plurality of biting teeth (8) along circumference interval, biting teeth (8) inward sloping, biting teeth (8) outside cover has fixed cover (9), fixed cover (9) are used for locking biting teeth (8), biting teeth (8) are used for fixed pit shaft (2).

2. A plastic manhole as claimed in claim 1, wherein: one end of the fixed sleeve (9) is provided with a connecting port (91), and the inner wall of the connecting port (91) can prop against the outer wall of the biting tooth (8) to be used for compressing the biting tooth (8).

3. A plastic manhole as claimed in claim 2, wherein: the outer wall of the socket (5) is provided with a first shoulder (52), and a plurality of screw holes (521) are formed in the first shoulder (52) at intervals along the circumferential direction; the outer wall of the other end of the fixed sleeve (9) is provided with a second shoulder (92), a plurality of through holes (921) corresponding to the screw holes (521) are formed in the second shoulder (92) at intervals along the circumferential direction, the through holes (921) are provided with screws (100), and the screws (100) penetrate through the through holes (921) and are in threaded connection with the screw holes (521).

4. A plastic manhole as claimed in claim 2, wherein: the inner side wall of the biting tooth (8) is provided with a tooth (81), and the tooth (81) can be clamped into a trough of the outer wall of the shaft (2).

5. A plastic manhole as claimed in claim 1, wherein: one end of the shaft (2) connected with the well seat (3) is sleeved with a sealing ring (300); an annular clamping groove (53) matched with the sealing ring (300) is formed in the inner side wall of the socket (5) above the convex ring (51).

6. A plastic manhole as claimed in claim 1, wherein: the outer wall of the bottom of the well seat (3) is provided with a plurality of reinforcing ribs (200) which are distributed in a crisscross manner.

7. A plastic manhole as claimed in claim 1, wherein: the bottom of the inner cavity of the well seat (3) is provided with a launder (31), and the launder (31) is communicated with the two connecting pipe ports (4).