CN210315673U

CN210315673U - Connect inseparable quick-open type manhole structure

Info

Publication number: CN210315673U
Application number: CN201921121190.7U
Authority: CN
Inventors: 章清
Original assignee: Zhejiang Zhangda Light Industrial Machinery Co ltd
Current assignee: Zhejiang Zhangda Light Industrial Machinery Co ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-04-14
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a connect inseparable type manhole structure that opens soon, including short shell ring and manhole cover, the manhole cover joint is on short shell ring, manhole cover top welding crossbeam, install chucking mechanism between crossbeam and manhole cover, one side outer wall installation U type seat of short shell ring, the one end installation turning block of crossbeam, the turning block rotates connects U type seat, the opposite side outer wall erection joint board of short shell ring, the other end installation clamp plate of crossbeam, the pivot is cup jointed in the rotation on the connecting plate, connect the one end of pull rod in the pivot, the other end slip of pull rod runs through the clamp plate and cup joints the nut, the nut closely presses on the clamp plate. The crossbeam passes through the turning block and rotates along U type seat for the manhole cover joint is on short shell ring, with pull rod joint to clamp plate, and through nut locking, makes the manhole cover compress tightly on short shell ring, through chucking between chucking mechanism with manhole cover outer wall and short shell ring inner wall, improves and connects the compactness, loosens chucking mechanism, unscrews the nut, can open convenient to use with the manhole cover.

Description

Connect inseparable quick-open type manhole structure

Technical Field

The utility model relates to a manhole technical field specifically is a connect inseparable quick-open type manhole structure.

Background

The manhole is the trompil structure that is used for personnel's business turn over equipment so that installation, maintenance and safety inspection, mainly by short shell ring (or nozzle stub), flange and the manhole cover of taking the handle are constituteed, thereby its short shell ring one end fixed connection equipment outer wall of present manhole structure, be equipped with the flange between the other end and manhole cover outer wall, thereby it is loaded down with trivial details with the manhole cover joint on short shell ring with flange joint through a plurality of bolts, however, the dismouting is loaded down with trivial details when the manhole opens and shuts along a plurality of bolts and nuts that the circumferencial direction was equipped with of flange, be unfavorable for the use, for this reason we propose a connect inseparable quick-opening manhole structure and be used for solving above-.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connect inseparable quick-open type manhole structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fast-opening manhole structure with tight connection comprises a short barrel section and a manhole cover, wherein the manhole cover is clamped on the short barrel section, a cross beam is fixedly welded at the top of the manhole cover, a fixed block is fixedly installed between the cross beam and the middle of the manhole cover, a clamping mechanism is installed between the middle of the cross beam and the manhole cover, a U-shaped seat is fixedly installed on the outer wall of one side of the short barrel section, a rotating block is fixedly installed at one end of the cross beam, the rotating block is rotatably connected with an inner cavity of the U-shaped seat through a pin shaft, a connecting plate is fixedly installed on the outer wall of the other side of the short barrel section, a pressing plate is fixedly installed at the other end of the cross beam, connecting grooves are formed in the outer sides of the connecting plate and the pressing plate, a rotating shaft is rotatably sleeved between the inner walls of the connecting grooves on the connecting plate, one end of a, the screw cap is tightly pressed on the pressure plate.

Preferably, the top of manhole cover is arc mechanism, the bottom of manhole cover and the inner wall of short shell ring are matched with funnel-shaped structure, fixed embedded square seal ring on the top outer wall of short shell ring, and square seal ring closely laminates the top of manhole cover, manhole cover bottom leaks fixed a plurality of embedded O type sealing rings on the funnel-shaped outer wall, and O type sealing ring closely presses on the funnel-shaped inner wall of short shell ring.

Preferably, the clamping mechanism comprises a rotary groove, the rotary groove is formed in the manhole cover, the fluted disc is sleeved in the rotary groove in a rotating mode, one end of an operating rod is fixedly connected to the top of the fluted disc, the top of the operating rod rotates to penetrate through the manhole cover and the cross beam, the manhole cover at the bottom of the rotary groove is provided with a plurality of accommodating grooves, clamping plates are slidably clamped in the accommodating grooves, the top of each clamping plate and the outer wall of the bottom of the fluted disc are provided with meshed planar threaded teeth, the inner wall of the short barrel section is provided with a plurality of clamping grooves, and one end, far away from the clamping plates, of each clamping plate penetrates through the accommodating grooves and is connected in the clamping grooves in.

Preferably, cardboard and draw-in groove have six groups along circumferencial direction evenly distributed, the one end of cardboard and draw-in groove joint is the arc structure, the top of action bars runs through crossbeam and fixed mounting has the carousel, and the carousel both sides slip cup joint the stop pin, it has the locking hole to open on the crossbeam, the bottom slip joint of stop pin is in the locking hole, and installs the magnet piece that adsorbs mutually in the bottom of stop pin and locking hole.

Preferably, the top of the nut is of a disc-shaped structure, the bottom of the nut is of a circular truncated cone structure with a large top and a small bottom, and limiting grooves attached to the circular truncated cone at the bottom of the nut are formed in two sides of a connecting groove in the pressing plate.

Compared with the prior art, the beneficial effects of the utility model are that: the manhole cover is closed on the short cylinder section through the rotation of the cross beam, the pull rod is rotated through the rotating shaft to be clamped in the connecting groove on the pressing plate, and the pressing plate is pressed downwards through rotating the screw cap to realize preliminary pressing, so that the manhole cover is quickly clamped and positioned, and the clamping mechanism is convenient to clamp; the fluted disc is driven to rotate by the operating rod, and the fluted disc drives the plurality of clamping plates to move simultaneously through the plane thread teeth, so that the plurality of clamping plates are clamped into or separated from the clamping grooves simultaneously, rapid clamping and unlocking are realized, the manhole cover is convenient to open and close, and the use is convenient; six groups are uniformly distributed on the clamping plate and the clamping groove along the circumferential direction, so that after the clamping plate is clamped with the clamping groove, the manhole cover and the short barrel section are firmly locked, the connection tightness is improved, the stress of the manhole cover is balanced, the pressure resistance of the manhole cover is improved, and the pressure container is convenient to use on pressure container equipment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

fig. 3 is a schematic view of the top-view cross-sectional structure of the clamping plate of the present invention.

In the figure: 1 short cylinder section, 2 manhole covers, 3 cross beams, 4 fixed blocks, 5 clamping mechanisms, 51 rotating grooves, 52 fluted discs, 53 operating rods, 53 accommodating grooves, 55 clamping plates, 56 plane thread teeth, 57 clamping grooves, 6U-shaped seats, 7 rotating blocks, 8 connecting plates, 9 pressing plates, 10 connecting grooves, 11 rotating shafts, 12 pull rods, 13 screw caps, 14 limiting grooves, 15 stopping pins and 16 stopping holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a fast-open manhole structure with tight connection comprises a short cylindrical shell 1 and a manhole cover 2, wherein the manhole cover 2 is clamped on the short cylindrical shell 1, a cross beam 3 is fixedly welded on the top of the manhole cover 2, a fixed block 4 is fixedly installed between the cross beam 3 and the middle part of the manhole cover 2, a clamping mechanism 5 is installed between the middle part of the cross beam 3 and the manhole cover 2, a U-shaped seat 6 is fixedly installed on the outer wall of one side of the short cylindrical shell 1, a rotating block 7 is fixedly installed at one end of the cross beam 3, the rotating block 7 is rotatably connected with the inner cavity of the U-shaped seat 6 through a pin shaft, a connecting plate 8 is fixedly installed on the outer wall of the other side of the short cylindrical shell 1, a pressing plate 9 is fixedly installed at the other end of the cross beam 3, connecting plates 8 and the outer sides of the pressing plate 9 are both provided with connecting grooves 10, a rotating shaft 11 is rotatably sleeved on the inner wall of the connecting plate 10, the nut 13 is pressed tightly against the pressure plate 9. Short shell ring 1 fixed connection equipment outer wall, crossbeam 3 rotates along U type seat 6 through turning block 7, thereby make 2 joints of manhole cover on short shell ring 1, thereby rotate pull rod 12 in the spread groove 10 of joint to clamp plate 9 through pivot 11, and thereby push down clamp plate 9 through rotating nut 13, make manhole cover 2 compress tightly on short shell ring 1, and through chucking between chucking mechanism 5 with 2 outer walls of manhole cover and 1 inner wall of short shell ring, improve and connect the compactness, when opening, loosen chucking mechanism 5, and unscrew nut 13, thereby rotate depression bar 12 and break away from clamp plate 9, can open manhole cover 2 through crossbeam 3, high durability and convenient use.

The top of manhole cover 2 is arc mechanism, make 2 both sides of manhole cover and 3 welding of crossbeam, the middle part is connected through fixed block 4, the contact surface that improves crossbeam 3 and manhole cover 2 connects, be convenient for compress tightly manhole cover 2, the bottom of manhole cover 2 and short shell ring 1's inner wall are the funnel-shaped structure of matched with, make 2 bottom laminating short shell ring 1 inner walls of manhole cover, and be convenient for manhole cover 2 rotates and opens and the closure, fixed embedded square seal circle on the top outer wall of short shell ring 1, and the top of square seal circle closely laminating manhole cover 2, fixed a plurality of embedded O type sealing rings on the funnel-shaped outer wall of manhole cover 2 bottom, and O type sealing ring closely presses on short shell ring 1's funnel-shaped inner wall, improve the leakproofness after manhole cover 2 compresses tightly.

The clamping mechanism 5 comprises a rotary groove 51, the rotary groove 51 is arranged in the manhole cover 2, a fluted disc 52 is rotatably sleeved in the rotary groove 51, the top of the fluted disc 52 is fixedly connected with one end of an operating rod 53, the top of the operating rod 53 rotates to penetrate through the manhole cover 2 and the cross beam 3, the manhole cover 2 at the bottom of the rotary groove 51 is provided with a plurality of accommodating grooves 54, clamping plates 55 are slidably clamped in the accommodating grooves 54, the top of each clamping plate 55 and the outer wall of the bottom of the fluted disc 52 are provided with meshed planar threaded teeth 56, the inner wall of the short cylinder 1 is provided with a plurality of clamping grooves 57, one end, far away from the clamping plates 55, penetrates through the accommodating grooves 54 and is slidably clamped in the clamping grooves 57, after the manhole cover 2 is clamped in the short cylinder 1, the fluted disc 52 is driven to rotate by the operating rod 53, the fluted disc 52 simultaneously drives a plurality of groups of the clamping plates 55 to move by the planar threaded teeth 56, the groups of the clamping plates 55, the connection tightness is improved, six groups of clamping plates 55 and clamping grooves 57 are uniformly distributed along the circumferential direction, so that the stress of the manhole cover 2 is balanced, the pressure resistance of the manhole cover 2 is improved, the manhole cover is convenient to use on pressure container equipment, when the manhole cover 2 is opened, the clamping plates 55 can be separated from the clamping grooves 57 and can be taken in the accommodating grooves 54 only by reversely rotating the fluted disc 52 through the operating rod 53, and the manhole cover 2 and the short shell ring 1 can be quickly unlocked and are convenient to use.

Cardboard 55 and draw-in groove 57 joint's one end is the arc structure, cardboard 55 joint draw-in groove 57 is convenient for, the top of action bars 53 runs through crossbeam 3 and fixed mounting has the carousel, be convenient for rotate action bars 53, and the carousel both sides slip cup joint stop pin 15, it has detent 16 to open on the crossbeam 3, the bottom slip joint of stop pin 15 is in detent 16, cardboard 55 and draw-in groove 57 size are fixed, behind cardboard 55 joint draw-in groove 57, stop pin 15 is just aimed at detent 16, thereby insert detent 16 with stop pin 15, make the carousel unable rotation, then action bars 53 is fixed, avoid the mistake to bump and lead to cardboard 55 and draw-in groove 57 to break away from, and install the adsorbed magnet piece mutually in the bottom of stop pin 15 and detent 16, make stop pin 15 and detent 16 connect closely.

The top of nut 13 is discoid structure, and the bottom is big end down's round platform structure, and the connecting groove 10 both sides on the clamp plate 9 are opened has the spacing groove 14 of laminating nut 13 bottom round platform, and then nut 13 screws up the back card and realizes location and spacing in spacing groove 14, avoids depression bar 12 to rotate.

The working principle is as follows: when the utility model is used, the short shell ring 1 is fixedly connected with the outer wall of the device, the crossbeam 3 rotates along the U-shaped seat 6 through the rotating block 7, thereby the manhole cover 2 is clamped on the short shell ring 1, the pull rod 12 rotates through the rotating shaft 11 to be clamped in the connecting groove 10 on the pressing plate 9, and the pressing plate 9 is pressed down through rotating the screw cap 13, thereby the manhole cover 2 is tightly pressed on the short shell ring 1, the operating rod 53 is driven to rotate through the turntable, the fluted disc 52 simultaneously drives the plurality of groups of clamping plates 55 to move through the plane thread teeth 56, the plurality of groups of clamping plates 55 slide out of the accommodating grooves 54 and are clamped in the clamping grooves 57, thereby realizing the locking of the manhole cover 2 and the short shell ring 1, improving the connection tightness, six groups of clamping plates 55 and the clamping grooves 57 are evenly distributed along the circumferential direction, thereby the stress of the manhole cover 2 is balanced, the pressure resistance of the manhole cover 2 is improved, the use on the pressure vessel equipment is convenient, improve sealing performance, when opening manhole cover 2, only need through action bars 53 reverse rotation fluted disc 52, can realize that multiunit cardboard 55 breaks away from draw-in groove 57 and in the income holding groove 54, realize the quick unlock of manhole cover 2 and short shell ring 1, unscrew nut 13 again to rotate depression bar 12 and break away from clamp plate 9, can open convenient to use with manhole cover 2 through crossbeam 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connect inseparable quick-open type manhole structure, includes short shell ring (1) and manhole cover (2), its characterized in that: the manhole cover (2) is connected to the short barrel section (1) in a clamped mode, a beam (3) is fixedly welded to the top of the manhole cover (2), a fixed block (4) is fixedly installed between the beam (3) and the middle of the manhole cover (2), a clamping mechanism (5) is installed between the middle of the beam (3) and the manhole cover (2), a U-shaped seat (6) is fixedly installed on the outer wall of one side of the short barrel section (1), a rotating block (7) is fixedly installed at one end of the beam (3), the rotating block (7) is rotatably connected with the inner cavity of the U-shaped seat (6) through a pin shaft, a connecting plate (8) is fixedly installed on the outer wall of the other side of the short barrel section (1), a pressing plate (9) is fixedly installed at the other end of the beam (3), connecting grooves (10) are formed in the outer sides of the connecting plate (8) and the pressing plate (9), and a rotating shaft (11), the one end of fixed connection pull rod (12) on pivot (11), the other end of pull rod (12) slides and runs through spread groove (10) on clamp plate (9) and cup joints nut (13) through helicitic texture, nut (13) closely press on clamp plate (9).

2. A tightly connected quick-open manhole structure according to claim 1, wherein: the top of manhole cover (2) is arc mechanism, the bottom of manhole cover (2) and the inner wall of short shell ring (1) are matched with funnel-shaped structure, fixed embedded square seal ring on the top outer wall of short shell ring (1), and the top of square seal ring inseparable laminating manhole cover (2), fixed embedded a plurality of O type sealing rings on the funnel-shaped outer wall of manhole cover (2) bottom, and O type sealing ring closely press on the funnel-shaped inner wall of short shell ring (1).

3. A tightly connected quick-open manhole structure according to claim 1, wherein: the clamping mechanism (5) comprises a rotating groove (51), the rotating groove (51) is formed in the manhole cover (2), the rotating groove (51) is rotatably sleeved with a fluted disc (52), one end of an operating rod (53) is fixedly connected to the top of the fluted disc (52), the top of the operating rod (53) rotates to penetrate through the manhole cover (2) and the cross beam (3), the manhole cover (2) at the bottom of the rotating groove (51) is provided with a plurality of accommodating grooves (54), a clamping plate (55) slides in the accommodating groove (54), the top of the clamping plate (55) and the outer wall of the bottom of the fluted disc (52) are provided with plane threaded teeth (56) which are meshed with each other, the inner wall of the short barrel section (1) is provided with a plurality of clamping grooves (57), and one end, far away from the clamping plate (55), penetrates through the accommodating groove (54) and is clamped in the clamping groove (57) in a.

4. A tightly connected quick-open manhole structure according to claim 3, wherein: cardboard (55) and draw-in groove (57) have six groups along circumferencial direction evenly distributed, the one end of cardboard (55) and draw-in groove (57) joint is the arc structure, crossbeam (3) and fixed mounting are run through to the top of action bars (53) has the carousel, and the carousel both sides slip cup joint stop pin (15), it has locking hole (16) to open on crossbeam (3), the bottom slip joint of stop pin (15) is in locking hole (16), and the bottom of stop pin (15) and locking hole (16) installs the magnet piece that adsorbs mutually.

5. A tightly connected quick-open manhole structure according to claim 1, wherein: the top of the nut (13) is of a disc-shaped structure, the bottom of the nut is of a round platform structure with a large top and a small bottom, and limiting grooves (14) which are attached to the round platform at the bottom of the nut (13) are formed in two sides of a connecting groove (10) in the pressing plate (9).