CN2642839Y - Easily opening and closing sealed anti-theft well mouth - Google Patents

Abstract

The utility model relates to a wellhead, in particular to an anti-theft well head, which is easy to be sealed. The wellhead comprises a well crib, a locknut, a seal ring, a dead bolt, a handle, a well cover and an operating device. The seal ring is equipped in a groove on the edge of the well crib and a starting rod and a starting shaft are equipped on a bracket. A worm wheel is fixed on the starting shaft and one end of a starting arm is installed on the starting shaft with the other end connected with a supporting arm; the supporting arm is also equipped with a gimbal and the gimbal is fixed on the well cover. A seal cap is installed on a starting hole of the well cover, which is equipped on the upper end of the starting rod, and the starting rod equipped on the lower end is installed with a return spring. The beneficial effect of the utility model is that the opening and closing is easy and labor-saving; the tightness is excellent; the well cover and the crib will not rust and the sewage well will not discharge stench; the facility well will not be poured with mud and sand; the well cover and well crib are locked with each other which will not be lost.

Description

Easily open and close the sealed, burglarproof well head

(1) technical field: the utility model relates to a kind of wellhead assembly, particularly a kind of easy keying sealed, burglarproof well head.

(2) background technology: mostly blow-by of the well head of current usefulness, non-anti-theft, and open and close difficulty.Therefore sink hole is up instead distinguished the flavor of, and facility well is filled silt, often causes traffic accident after well lid is lost, and the well lid rust extremely on crib, is had to during maintenance well lid is smashed

(3) summary of the invention: at the above-mentioned defective of prior art, technical problem to be solved in the utility model is keying, the sealing and antitheft of well lid, the technical scheme that this utility model is taked is: along sealing ring is housed in the groove, it is dead and seal to solve the rust on well lid and crib mouth edge at the mouth of crib.Be provided with locknut in the crib inboard, the inboard relative position of well lid is provided with dead bolt, utilizes the angle of inclination of well lid when opening and closing, and the dead bolt locknut is locked mutually, solves the manhole cover anti-theft problem.For well lid is is easily opened and closed, in well head, be provided with headstock gear and mainly comprise support, starting handle, worm gear, starting shaft, actuating arm, support arm and universal joint.Support is fixed on the crib, and starting handle and starting shaft are contained on the support.Worm gear is fixed on the starting shaft and is meshed with spiral shell wheel on the starting handle.One end of actuating arm is contained on the starting shaft, and end joins with support arm in addition.Universal joint is equipped with in holding in addition of support arm, and universal joint is fixed on the well lid inboard.On the well lid open hole of starting handle upper end, sealing cap is housed, on the starting handle under the sealing cap back-moving spring is housed.On well lid, also be provided with handle.

During operation, the starting handle upper end of spanner being inserted the band sealing cap presses down, and the rotation starting handle drives worm gear and rotates, and worm gear drives actuating arm by starting shaft and support arm, universal joint rise, hold up well lid and leave crib mouth edge, locknut is left at the angle of slope when dead bolt is opened by well lid.After well lid exceeds well head, catch hold of handle with well lid along universal joint Rotate 180 degree, promptly well lid is opened and to be finished.If close well lid, to catch hold of handle well lid is returned turnback along universal joint, the opposite spin starting handle drives each parts and resets.Angle of inclination when dead bolt is closed by well lid and locknut kissing, well lid are pressed on the crib mouth along last, seal by sealing ring.Extract spanner, sealing cap seals the open hole on the well lid under action of reset spring.

Since take technique scheme, the beneficial effects of the utility model to be easy keying, laborsaving, good airproof performance, well lid and well head are stainless dead, and sink hole is not instead distinguished the flavor of, and facility well is not irritated silt, and well lid is locked mutually with crib and is not lost.

(4) description of drawings: Fig. 1 is a structural representation of the present utility model.

(5) specific embodiment: further set forth a kind of optimal way of the present utility model below in conjunction with accompanying drawing.Referring to Fig. 1 as can be known, the utility model mainly is made of crib 1, locknut 2, sealing ring 3, dead bolt 4, handle 5, well lid 6 and headstock gear, in the groove on 1 mouthful of edge of crib sealing ring 3 is housed, crib 1 inboard is provided with locknut 2, well lid 6 inboard relative positions are provided with dead bolt 4, and handle 5 also is equipped with in the outside of well lid 6.Headstock gear mainly comprises starting handle 9, support 10, starting shaft 11, worm gear 12, actuating arm 13, support arm 14 and universal joint 15.Support 10 is by being bolted on the crib 1, and starting handle 9 and starting shaft 11 are contained on the support 10.Worm gear 12 is fixed on the starting shaft 11 and is meshed with spiral shell wheel on the starting handle 9.One end of actuating arm 13 is contained on the starting shaft 11, and end joins with support arm 14 in addition, and the end in addition of support arm 14 is equipped with universal joint 15, and universal joint 15 is by being bolted to well lid 6 inboards.On well lid 6 open holes of starting handle 9 upper ends, sealing cap 7 is housed, on the starting handle 9 under the sealing cap 7 back-moving spring 8 is housed.

Claims (1)

1, a kind of easy keying sealed, burglarproof well head mainly is made of crib (1), locknut (2), sealing ring (3), dead bolt (4), handle (5), well lid (6) and headstock gear, it is characterized in that in the groove on crib (1) mouthful edge sealing ring (3) being housed, crib (1) inboard is provided with locknut (2), the inboard relative position of well lid (6) is provided with dead bolt (4), and handle (5) also is equipped with in the outside of well lid (6); Headstock gear mainly comprises starting handle (9), support (10), starting shaft (11), worm gear (12), actuating arm (13), support arm (14) and universal joint (15), support (10) is fixed on the crib (1), starting handle (9) and starting shaft (11) are contained on the support (10), and worm gear (12) is fixed on that starting shaft (11) is gone up and is meshed with spiral shell wheel on the starting handle (9); One end of actuating arm (13) is contained on the starting shaft (11), and end joins with support arm (14) in addition, and the end in addition of support arm (14) is equipped with universal joint (15), and universal joint (15) is fixed on the well lid (6); On well lid (6) open hole of starting handle (9) upper end, sealing cap (7) is housed, on the starting handle (9) under the sealing cap (7) back-moving spring (8) is housed.