CN-224213429-U - Underground non-negative pressure water supply equipment

CN224213429UCN 224213429 UCN224213429 UCN 224213429UCN-224213429-U

Abstract

The underground negative pressure-free water supply equipment comprises a pressurized water supply unit, wherein an outer cover of the pressurized water supply unit is provided with an isolation cover, the lower end face of the isolation cover is provided with a disassembly and assembly opening communicated with the inner space of the isolation cover, the lower end face of the isolation cover is provided with a seat plate which is jointed with the isolation cover, the seat plate shields and seals the disassembly and assembly opening, the pressurized water supply unit is arranged on the upper surface of the seat plate, the seat plate is fixed with the lower end of the isolation cover through a fixing structure, the outer wall of the isolation cover is provided with a plurality of guide tube holes communicated with the inner space of the isolation cover, the guide tube holes are internally provided with sealing rings matched with the guide tube holes, and the outer peripheral face of the inner ends of the sealing rings is provided with an inner sealing part jointed with the inner wall of the isolation cover. The buried non-negative pressure water supply equipment can effectively avoid the indoor space from being occupied, and can ensure that electric elements are not damaged, thereby effectively ensuring the service life.

Inventors

HUANG MING
HUANG ZHIBIAO

Assignees

浙江雅弗泵业股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250326

Claims (7)

1. The underground negative pressure-free water supply equipment comprises a pressurized water supply unit and is characterized in that an isolation cover is arranged on an outer cover of the pressurized water supply unit, a dismounting opening communicated with the inner space of the isolation cover is arranged on the lower end face of the isolation cover, a seat plate communicated with the isolation cover is arranged on the lower end face of the isolation cover, the dismounting opening is shielded and sealed by the seat plate, the pressurized water supply unit is arranged on the upper surface of the seat plate, the seat plate and the lower end of the isolation cover are fixed through a fixing structure, a plurality of guide tube holes communicated with the inner space of the isolation cover are arranged on the outer wall of the isolation cover, a sealing ring matched with the guide tube holes is arranged in the guide tube holes, an outer sealing part communicated with the inner wall of the isolation cover is arranged on the outer peripheral face of the inner end of the sealing ring, an outer sealing part communicated with the outer wall of the isolation cover is arranged on the outer peripheral face of the outer end of the sealing ring, an operation hole communicated with the inner space of the isolation cover is arranged on the upper surface of the isolation cover, an annular mud preventing seat extends upwards from the edge of the operation hole, a matched sleeve is arranged on the isolation seat, the upper end face of the isolation seat is made of rubber, the upper end face is higher than the upper end face of the mud preventing seat is fastened to the lower end of the isolation seat, and the lower end of the upper end of the isolation seat is fastened to the upper end of the isolation sleeve is gradually.
2. The underground non-negative pressure water supply device according to claim 1, wherein the fixing structure comprises a plurality of hidden holes which are uniformly arranged on the outer wall of the lower end of the isolation cover in a circumference manner, a plurality of through holes which are communicated with the hidden holes are formed in the inner wall of the lower end of the isolation cover, the diameter of each through hole is smaller than that of each hidden hole, an annular fixing part is arranged on the upper surface of the seat plate and embedded in the disassembly opening, a plurality of screw holes which are communicated with the through holes are formed in the outer wall of each fixing part, a screw penetrates through each through hole and is screwed into each screw hole, and the head of the screw is positioned in each hidden hole and is abutted against the bottom of each hidden hole.
3. The underground non-negative pressure water supply device according to claim 2, wherein the fixing part is sleeved with an annular sealing gasket, the sealing gasket is made of rubber, and the sealing gasket is located between the lower surface of the isolation cover and the upper surface of the seat plate.
4. The underground non-negative pressure water supply device according to claim 1, wherein the upper surface of the mud-proof seat is covered with a cover plate which is jointed with the mud-proof seat, a movable gap is formed between the outer wall of the cover plate and the inner wall of the isolation sleeve, an annular positioning part is arranged on the lower surface of the cover plate and embedded in the mud-proof seat, the outer wall of the positioning part is jointed with the inner wall of the mud-proof seat, and a handle is arranged in the center of the upper surface of the cover plate.
5. The underground non-negative pressure water supply device according to claim 4 is characterized in that an annular sealing groove is formed in the outer wall of the positioning part, auxiliary rings matched with the annular sealing groove are arranged in the sealing groove, a plurality of auxiliary parts which are uniformly distributed in the axial direction are arranged on the outer wall of the auxiliary rings, the auxiliary parts are in a tube shape with wide upper parts and narrow lower parts, the outer wall of the upper end of each auxiliary part is attached to the inner wall of the mud-proof seat, and the auxiliary rings and the auxiliary parts are integrally formed and made of rubber materials.
6. The underground non-negative pressure water supply device as set forth in claim 1, wherein the outer wall of the lower end of the isolating sleeve is provided with a plurality of force application holes communicated with the inner space of the isolating sleeve, and the force application holes are positioned in the lower part of the fastening sleeve.
7. The underground non-negative pressure water supply device according to claim 1, wherein the upper outer wall and the lower outer wall of the isolation cover are provided with a plurality of lifting lugs which are uniformly distributed circumferentially, and the lifting lugs are provided with lifting holes.

Description

Underground non-negative pressure water supply equipment Technical Field The utility model relates to non-negative pressure water supply equipment, in particular to buried non-negative pressure water supply equipment. Background The non-negative pressure water supply device is a secondary pressurized water supply device which is directly connected with a municipal water supply network and is used for series pressure-superposed water supply on the basis of the residual pressure of the municipal water supply network so as to ensure that the pressure of the municipal water supply network is not less than the set protection pressure. Because no negative pressure water supply equipment has electrical component, in order to avoid electrical component damage, will install no negative pressure water supply equipment in dry indoor generally, and no negative pressure water supply equipment's pressurized water supply unit actually comprises stationary flow jar, vacuum inhibitor, variable frequency speed governing water pump unit, pressure sensor, variable frequency control cabinet, backflow preventer, degassing unit, low discharge pressurize jar etc. a plurality of devices, finally lead to no negative pressure water supply equipment's volume extremely big, then can encroach on indoor most space, lead to indoor space unable reuse other uses, cause the waste of space resource, if will no negative pressure water supply equipment place outdoors, though can avoid indoor space to be encroached on, there is no negative pressure water supply equipment's electrical component hidden danger by damage, no negative pressure water supply equipment's life can not be guaranteed. Disclosure of Invention The utility model aims to solve the technical problem of the prior art and provide the buried non-negative pressure water supply equipment, which not only can effectively prevent indoor space from being occupied, but also can ensure that electrical elements are not damaged, thereby effectively ensuring the service life. The technical scheme adopted for solving the technical problems is as follows: The utility model discloses an underground negative pressure-free water supply device which comprises a pressurized water supply unit, wherein an isolation cover is arranged on an outer cover of the pressurized water supply unit, a dismounting opening communicated with the inner space of the isolation cover is arranged on the lower end face of the isolation cover, a seat plate communicated with the isolation cover is arranged on the lower end face of the isolation cover, the dismounting opening is sealed by the seat plate, the pressurized water supply unit is arranged on the upper surface of the seat plate, the seat plate and the lower end of the isolation cover are fixed through a fixing structure, a plurality of guide tube holes communicated with the inner space of the isolation cover are arranged on the outer wall of the isolation cover, a sealing ring matched with the guide tube holes is arranged in the guide tube holes, an inner sealing part communicated with the inner wall of the isolation cover is arranged on the outer peripheral face of the inner end of the sealing ring, an outer sealing part communicated with the outer wall of the isolation cover is arranged on the outer peripheral face of the outer end of the sealing ring, an operation hole communicated with the inner space of the isolation cover is arranged on the upper surface of the isolation cover, an annular mud preventing seat is extended upwards along the edge of the opening of the operation hole, a matched mud preventing seat is sleeved outside the isolation seat, the isolation seat is made of rubber, the upper end face is higher than the upper end face of the upper end of the mud preventing seat is fastened to the lower end of the upper end of the isolation seat is fastened to the lower end of the isolation seat. The fixing structure comprises a plurality of hidden holes which are uniformly arranged on the outer wall of the lower end of the isolation cover in a circumference manner, a plurality of through holes which are communicated with the hidden holes are formed in the inner wall of the lower end of the isolation cover, the diameter of each through hole is smaller than that of each hidden hole, an annular fixing part is arranged on the upper surface of the seat plate and embedded in the disassembly opening, a plurality of screw holes which are communicated with the through holes are formed in the outer wall of each fixing part, a screw penetrates through the through holes and is screwed into the screw holes, and the head of the screw is positioned in the hidden holes and is propped against the bottoms of the hidden holes. The fixing part is sleeved with an annular sealing gasket which is made of rubber, and the sealing gasket is positioned between the lower surface of the isolation cover and the upper surface of the seat plate. The upper surface of the mud-proof seat is