CN216344198U

CN216344198U - Blowoff valve

Info

Publication number: CN216344198U
Application number: CN202123057166.1U
Authority: CN
Inventors: 谢冬来
Original assignee: Foshan Shunde Haien Electric Appliance Technology Co ltd
Current assignee: Foshan Shunde Haien Electric Appliance Technology Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-04-19
Anticipated expiration: 2031-12-06

Abstract

The utility model relates to a blowoff valve which comprises a valve body, wherein the head end of the valve body is provided with a mounting seat, the middle part of the valve body is provided with a valve core control seat, the tail end of the valve body is provided with a blowoff seat, the blowoff valve further comprises a water pipe mounting seat, the blowoff seat is provided with a flat shaft part, the periphery of the flat shaft part is provided with a ring groove, the water pipe mounting seat is provided with a counter bore, the inner wall of the counter bore is provided with a lock tongue which can be inserted into the flat shaft part and screwed into the ring groove, and the water pipe mounting seat is arranged on the flat shaft part of the blowoff seat. The flat shaft part is arranged on the sewage draining seat, and the water pipe mounting seat can be inserted into the flat shaft part and can be mounted on the sewage draining seat through rotation, so that the assembly operation is simple and convenient.

Description

Blowoff valve

Technical Field

The utility model relates to a blowdown valve.

Background

A water heater, especially an electric water heater, is usually provided with a blowoff valve, for example, chinese patent document No. CN206281215U discloses a cleaning system of the electric water heater, which comprises an inner container, a water inlet and a water outlet and a blowoff port arranged at the bottom of the inner container, install the blowoff valve on the drain, the blowoff valve includes the valve body, the case, the valve body includes magnesium stick installation department, case portion, drain pipe connection portion, set up the case in the case portion, magnesium stick installation department threaded connection magnesium stick seat, drain pipe connection water pipe sleeve, magnesium stick seat includes the base, the pillar ring, the magnesium stick mount table, the pillar ring is equipped with three stabilizer blades, three stabilizer blades upwards extend and be connected with the magnesium stick mount table from annular base top, the case is globular, the outside spanner of valve stem connection valve body is passed through to one side of case, the drain pipe sleeve includes inner connecting portion and outer connecting portion, it is interior, outer connecting portion's diameter equals greatly, outer connecting portion are used for connecting drain pipe and outer connecting portion have the external screw thread.

In the drain valve in the prior art, the drain seat at the tail end of the drain valve is usually provided with an external thread for being connected with a drain pipe, the drain pipe is usually provided with a corresponding metal copper screw head, the manufacturing cost is higher, the disassembly and the assembly between the drain pipe and the drain seat are also finished by using one or two special wrenches, the assembly operation is not simple and convenient, and the further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides a blowdown valve which is more convenient to assemble with a blowdown seat.

According to the blowoff valve of this purpose design, including the valve body, its head end is equipped with the mount pad, the middle part is equipped with case control seat, the tail end is equipped with the blowdown seat, still includes the water pipe mount pad, the blowdown seat is equipped with flat axial region, the periphery of flat axial region is equipped with the ring channel, be equipped with the counter bore on the water pipe mount pad, the inner wall of counter bore is equipped with the spring bolt that can insert flat axial region and screw in ring channel, makes the water pipe mount pad install on the flat axial region of blowdown seat.

Flat axle portion sets up two square platforms and be around two circular platforms that set up including being about two square platforms that subtend set up, the periphery at two circular platforms is seted up to the ring channel, the distance of two circular platforms and blowdown seat axle center is greater than the distance of two square platforms and blowdown seat axle centers, and the difference of both distances is a, the spring bolt is formed from protruding the establishing of the inner wall of counter bore, and its bellied height is less than an.

One end of the bolt screwed into the annular groove is a head end, the other end of the bolt is a tail end, and the tail end is provided with a stop part abutted against the annular groove or the flat shaft part.

The height of the lock bolt gradually increases from the head end to the tail end, or a plurality of convex blocks clamped with the inner wall of the annular groove are arranged from the head end to the tail end of the lock bolt.

The outer wall of the counter bore is provided with anti-slip lines.

And a sealing gasket used for sealing with the sewage draining seat is arranged on the inner bottom surface of the counter bore.

And a water pipe joint used for being connected with a sewage discharge pipe is arranged below the sewage discharge seat.

The utility model has the beneficial effects that:

through above-mentioned modified technical scheme, set up flat axial region at the blowdown seat, the water pipe mount pad can insert flat axial region and through rotatory in order to install on the blowdown seat, assembly easy and simple to handle.

In addition, the flat shaft part can also serve as a wrench connecting part of the drain valve, when the mounting seat of the drain valve is mounted with the water heater, the wrench can be directly clamped on the flat shaft part, the valve body can omit the structure of a conventional hexagon nut, the structure of the valve body is convenient to further simplify, and the cost of the valve body is saved.

Drawings

Fig. 1 is an exploded view 1 of a first embodiment of the present invention.

Fig. 2 is an exploded view 2 of the first embodiment of the present invention.

Fig. 3 is an assembly diagram of the first embodiment of the present invention.

Detailed Description

The utility model is further described with reference to the following figures and examples.

First embodiment

Referring to fig. 1-3, the blowoff valve comprises a valve body 1, wherein the head end of the valve body is provided with a mounting seat 11, the middle part of the valve body is provided with a valve core control seat 10, the tail end of the valve body is provided with a blowoff seat 12, the mounting seat 11 is provided with a water inlet channel and a threaded connector for connecting with a drain outlet of a water heater, a valve core for opening or closing the blowoff valve is movably arranged in the valve core control seat 10, the blowoff seat 12 is provided with a water outlet channel, and the water inlet channel is communicated or closed with the water outlet channel through the valve core control seat 10.

The blowdown valve further comprises a water pipe mounting seat 2, a drainage channel is arranged on the water pipe mounting seat 2, and the water outlet channel and the drainage channel are communicated after the blowdown seat 12 and the water pipe mounting seat 2 are mounted mutually. The outer end of the pollution discharge seat 12 is provided with a flat shaft part 121, the periphery of the flat shaft part 121 is provided with an annular groove 122, the water pipe installation seat 2 is provided with a counter bore 21, the inner wall of the counter bore 21 is provided with a lock tongue 211 which can be inserted into the flat shaft part 121 and screwed into the annular groove 122, after the lock tongue 211 is screwed into the annular groove 122 (as shown in fig. 3), the water pipe installation seat 2 and the flat shaft part 121 of the pollution discharge seat 12 are mutually installed together, when the two are disassembled, the lock tongue 211 only needs to be screwed out from the annular groove 122 in the opposite direction, and the technicians in the field can understand the utility model. That is, the counter bore 21 of the water pipe mounting seat 2 can be inserted into the flat shaft part 121 and rotated to mount the water pipe mounting seat 2 on the sewage draining seat 12, and the assembly operation is simple.

In addition, the flat shaft part 121 can also serve as a wrench connecting part of the drain valve (in the prior art, the valve body 1 is usually provided with a hexagon nut structure, so that a user can conveniently connect the valve body 1 to the hexagon nut through a wrench, the valve body 1 is screwed on a drain outlet of a water heater), when the mounting seat 11 of the drain valve is mounted with the water heater, the wrench can be directly clamped on the flat shaft part 121, the valve body 1 can omit the structure of the conventional hexagon nut, the valve body structure is convenient to further simplify, and the valve body cost is saved.

As shown in fig. 1, the flat shaft portion 121 includes two square platforms 1211 disposed opposite to each other in a left-right direction and two circular platforms 1212 disposed in a front-back direction, the annular groove 122 is disposed at the peripheries of the two circular platforms, a distance between the two circular platforms and the axis of the pollution discharging base 12 is greater than a distance between the two square platforms 1211 and the axis of the pollution discharging base 12, a is greater than or equal to a, and a is generally greater than or equal to 3mm and less than or equal to 10mm, the locking tongue 211 is formed by protruding from the inner wall of the counterbore 21, and the protruding height of the locking tongue 211 is less than a, so that the locking tongue 211 can be inserted into the flat shaft portion 121.

Further, the end of the locking tongue 211 screwed into the annular groove 122 is a head end, the other end is a tail end, and the tail end is provided with a stop portion 2112 abutted against the annular groove 122 or the flat shaft portion 121, when the water pipe mounting seat 2 rotates to a position relative to the sewage discharging seat 12, the stop portion 2112 can be clamped in the annular groove 122 or the flat shaft portion 121, and a user can grasp whether the water pipe mounting seat 2 rotates to a position relative to the sewage discharging seat 12 through the hand feeling of the clamping.

As a further preferred technical solution, the height of the locking tongue 211 gradually increases from the head end to the tail end, or a plurality of protrusions clamped with the inner wall of the annular groove 122 are arranged from the head end to the tail end of the locking tongue 211. In both technical schemes, the lock tongue 211 can be clamped with the annular groove 122 in the process that the water pipe mounting seat 2 rotates relative to the sewage draining seat 12, and the skilled person can understand that

Further, the outer wall of the counter bore 21 is provided with anti-slip threads 23, so that a user can hold the water pipe mounting seat 2 by hand and rotate the water pipe mounting seat.

Further, a sealing gasket for sealing with the pollution discharge seat 12 is arranged on the inner bottom surface of the counter bore 21, and water leakage between the pollution discharge seat 12 and the water pipe installation seat 2 can be prevented through the sealing gasket.

Further, a water pipe joint 22 for connecting with a sewage pipe is arranged below the sewage base 12, so as to be convenient for assembling with the sewage pipe, and all the persons skilled in the art can understand.

The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the utility model are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a blowoff valve, includes valve body (1), and its head end is equipped with mount pad (11), middle part is equipped with case control seat (10), the tail end is equipped with blowdown seat (12), its characterized in that still includes water pipe mount pad (2), blowdown seat (12) are equipped with flat axial region (121), the periphery of flat axial region (121) is equipped with ring channel (122), be equipped with counter bore (21) on water pipe mount pad (2), the inner wall of counter bore (21) is equipped with spring bolt (211) that can insert flat axial region (121) and screw in ring channel (122), makes water pipe mount pad (2) install on flat axial region (121) of blowdown seat (12).

2. The blowoff valve of claim 1, wherein the flat shaft portion (121) comprises two square platforms (1211) disposed in opposite directions from left to right and two circular platforms (1212) disposed in front and back, the annular groove (122) is formed at the periphery of the two circular platforms, the distance between the two circular platforms and the axis of the blowoff seat (12) is greater than the distance between the two square platforms (1211) and the axis of the blowoff seat (12), the difference between the two distances is a, the latch (211) is formed by protruding from the inner wall of the counterbore (21), and the height of the protrusion is less than a.

3. The waste valve as claimed in claim 1, wherein the locking tongue (211) is screwed into the annular groove (122) at one end thereof as a head end and at the other end thereof as a tail end, and the tail end is provided with a stop portion (2112) abutting against the annular groove (122) or the flat shaft portion (121).

4. The waste valve as claimed in claim 3, wherein the height of the locking tongue (211) gradually increases from the head end to the tail end, or a plurality of protrusions clamped with the inner wall of the annular groove (122) are arranged from the head end to the tail end of the locking tongue (211).

5. The waste valve as claimed in claim 1, characterized in that the outer wall of the counter bore (21) is provided with anti-slip threads (23).

6. A waste valve according to any of claims 1-5, characterized in that the inner bottom surface of the counter bore (21) is provided with a sealing gasket for sealing against the waste seat (12).

7. A waste valve according to any of claims 1-5, characterized in that a water pipe connector (22) for connecting with a waste pipe is arranged below the waste seat (12).