CN223152809U - Backwater blocker for heating equipment - Google Patents

Abstract

The utility model discloses a backwater blocker of heating equipment, which comprises a shell and further comprises a sealing component, wherein the sealing component comprises a rebound unit arranged in the shell, a valve body is arranged at the bottom of the rebound unit, a valve core is arranged at the bottom of the rebound unit and positioned in an inner cavity of the valve body, a valve seat is arranged at the bottom of the valve body, the fixing component is arranged at the joint of the valve body and the valve seat and comprises a rotating bolt symmetrically arranged at the side of the valve seat, clamping strips are sleeved outside the rotating bolt, and positioning parts are symmetrically arranged at the side of the valve body.

Description

Backwater blocker of heating equipment

Technical Field

The utility model relates to the field of heating equipment, in particular to a backwater blocker of heating equipment.

Background

The backwater blocker of the heating equipment is a device used in a heating system, and has the main functions of controlling water flow in a backwater pipeline so as to realize stable operation and efficient heat supply of the system;

according to the technical means described by the water return blocking device of application number 201420564447.7, in the utility model, the water return blocking device has simple structure and convenient installation and use, can automatically realize on-off and pressure reduction by driving the piston to act by utilizing the pressure difference of the system, optimizes a heating system of a high-rise building, effectively solves the problems of pipeline corrosion and imbalance caused by air entering a water return pipe network, realizes the respective constant pressure of water return in high and low areas, meets the heating requirement of a high-rise direct connection heating unit, and greatly improves the reliability of the heating system;

However, its case is the cast iron that wraps up with rubber generally, and the case is worn out with the disk seat contact extrusion for a long time, and rubber takes place to damage, leads to the return water to flow out from case and the damaged gap of disk seat, influences the normal use of blocker, consequently needs to open the disk seat, dismantles the change case, and wherein disk seat and valve body adopt bolt nut to fix, nut and bolt rust easily under the humid condition, lead to the nut to be difficult to rotate with the bolt to break away from, and the disk seat dismantles and spends time, influences the change maintenance of case, consequently in order to solve above-mentioned problem, needs a novel heating equipment's return water blocker.

Disclosure of utility model

The utility model aims to provide a backwater blocker of heating equipment so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme that the backwater blocker of the heating equipment comprises a shell and further comprises:

the sealing assembly is used for adjusting and blocking backwater flow and comprises a rebound unit arranged in the shell, a valve body is arranged at the bottom of the rebound unit, a valve core used for blocking water is arranged at the bottom end of the rebound unit and positioned in an inner cavity of the valve body, and a valve seat used for sealing the valve body is arranged at the bottom of the valve body;

The fixed subassembly, fixed subassembly sets up in the junction of valve body and disk seat, fixed subassembly is used for fixed disk seat, fixed subassembly sets up in the rotation of disk seat avris including the symmetry and ties, the outside cover of rotation is tied and is equipped with the card strip, the avris symmetry of valve body is provided with the location portion that is used for the joint card strip.

Preferably, the positioning part comprises a positioning bolt arranged at the outer side of the valve body, a rotating sleeve is sleeved at the outer side of the positioning bolt, and the rotating sleeve is used for rotating and inserting the clamping strips.

Preferably, the side of the clamping strip is provided with a clamping groove for inserting the rotary sleeve, and the outer side of the rotary bolt is provided with a separation ring for separating the side of the clamping strip from the end part of the rotary bolt.

Preferably, the top of disk seat is provided with the connection and inserts the ring, the top of connection inserts the ring and alternates the bottom of connecting in the valve body, the top of connection inserts the ring is provided with the connection choke that is used for water proof.

Preferably, the bottom of the valve core is connected with a locking bolt in a penetrating way, and the locking bolt is used for fixing the locking bolt of the valve core and the rebound unit.

Preferably, one side of the shell is connected with a water inlet pipe in a penetrating way, the end part of the water inlet pipe is connected with the side of the valve body in a penetrating way, the other side of the shell is connected with a water outlet pipe in a penetrating way, and the water outlet pipe is used for outflow of return water of heating air.

Preferably, a mud cleaning pipe is arranged at the bottom of the shell, and the mud cleaning pipe is used for flowing out stains in the shell.

The utility model has the technical effects and advantages that:

according to the valve seat, the fixing assembly is arranged at the joint of the valve body and the valve seat, the clamping strip rotating around the rotary bolt in the fixing assembly is used for being inserted and clamped with the positioning part at the side of the valve body, and compared with the process of inserting and fixing the valve body and the valve seat by adopting bolts and nuts, the valve seat is prevented from being disassembled difficultly by maintenance personnel due to corrosion of the nuts, the valve seat is quickly disassembled, and the replacement of a damaged valve core is prevented from being influenced.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a cross-sectional view of the entire present utility model.

Fig. 3 is an enlarged view of the structure of fig. 2a according to the present utility model.

Fig. 4 is a side view of the securing assembly of the present utility model.

In the figure, 1, a shell; 101, a water inlet pipe, 102, a water outlet pipe, 103, a mud cleaning pipe, 2, a rebound unit, 3, a valve body, 4, a valve core, 5, a valve seat, 501, a connecting insertion ring, 502, a connecting water blocking ring, 6, a locking bolt, 7, a fixing component, 701, a clamping strip, 7011, a clamping groove, 702, a positioning bolt, 7021, a rotating sleeve, 703, a rotating bolt, 704 and a isolating ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a backwater blocker of heating equipment as shown in figures 1-4, which comprises a shell 1, a sealing component and a fixing component 7;

Specifically, the sealing component is used for regulating and blocking backwater flow and comprises a rebound unit 2 arranged in the shell 1, a valve body 3 is arranged at the bottom of the rebound unit 2, a valve core 4 used for blocking water is arranged at the bottom end of the rebound unit 2 and positioned in an inner cavity of the valve body 3, and a valve seat 5 used for sealing the valve body 3 is arranged at the bottom of the valve body 3;

It should be noted that, according to the working principle of the water return blocking device, the whole reference application number 201420564447.7 formed by the rebound unit 2 and the valve body 3, the bottom of the valve core 4 is connected with a locking bolt 6 in a penetrating way, the locking bolt 6 is used for fixing the locking bolt 6 of the valve core 4 and the rebound unit 2, and the bottom end of the rebound unit 2 is provided with a threaded hole for the penetration of the locking bolt 6;

Specifically, the fixing component 7 is arranged at the joint of the valve body 3 and the valve seat 5, the fixing component 7 is used for fixing the valve seat 5, the fixing component 7 comprises a rotating bolt 703 symmetrically arranged at the side of the valve seat 5, the outer side of the rotating bolt 703 is sleeved with a clamping strip 701,

The rotation bolt 703 is welded and fixed to the side of the valve seat 5, the clip 701 can rotate around the rotation bolt 703, a spacer 704 for separating the side of the clip 701 from the end of the rotation bolt 703 is arranged on the outer side of the rotation bolt 703, and the spacer 704 is made of rubber;

positioning parts for clamping the clamping strips 701 are symmetrically arranged on the side of the valve body 3;

specifically, the positioning portion includes a positioning bolt 702 disposed at the outer side of the valve body 3, a rotating sleeve 7021 is sleeved at the outer side of the positioning bolt 702, and the rotating sleeve 7021 is used for rotation insertion of the clamping bar 701;

It should be noted that, the positioning bolt 702 is welded and fixed to the outer side of the valve body 3, the rotating sleeve 7021 is made of polypropylene, and can rotate around the positioning bolt 702, and a clamping groove 7011 for inserting the rotating sleeve 7021 is formed in the side of the clamping strip 701;

The top of the valve seat 5 is provided with a connecting insert ring 501, the top of the connecting insert ring 501 is connected to the bottom of the valve body 3 in a penetrating way, and the top of the connecting insert ring 501 is provided with a connecting water blocking ring 502 for water blocking;

the connecting insert ring 501 is welded and fixed with the valve seat 5, the connecting water blocking ring 502 is adhered and fixed with the connecting insert ring 501 by glue, and the bottom of the valve body 3 is provided with an annular groove for inserting the connecting insert ring 501;

One side of the shell 1 is connected with a water inlet pipe 101 in a penetrating way, the end part of the water inlet pipe 101 is connected with the side of the valve body 3 in a penetrating way, the other side of the shell 1 is connected with a water outlet pipe 102 in a penetrating way, the water outlet pipe 102 is used for outflow of heating backwater, the bottom of the shell 1 is provided with a mud cleaning pipe 103, and the mud cleaning pipe 103 is used for outflow of stains in the shell 1;

The penetration position of the water inlet pipe 101 and the shell 1 is fixed by welding, the penetration position of the water inlet pipe 101 and the valve body 3 is fixed by welding, and the penetration position of the water outlet pipe 102 and the shell 1 is fixed by welding;

In the in-service use, through being provided with fixed subassembly 7 in the junction of valve body 3 and disk seat 5, utilize the fixed part that the rotatory clamping bar 701 of round rotation bolt 703 in the fixed subassembly 7 and valve body 3 avris alternates the joint fixedly, compare with adopting bolt and nut to alternate fixed valve body 3 and disk seat 5, this kind of design avoids nut corrosion to lead to maintainer to dismantle the difficulty to disk seat 5, realizes the quick dismantlement of disk seat 5, avoids influencing the change of damaging case 4.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims (7)

1. The backwater blocker of the heating equipment comprises a shell (1), and is characterized by further comprising:

the sealing assembly is used for adjusting and blocking backwater water flow and comprises a rebound unit (2) arranged in the shell (1), a valve body (3) is arranged at the bottom of the rebound unit (2), a valve core (4) used for blocking water is arranged at the bottom end of the rebound unit (2) and positioned in an inner cavity of the valve body (3), and a valve seat (5) used for sealing the valve body (3) is arranged at the bottom of the valve body (3);

The fixed subassembly (7), fixed subassembly (7) set up in the junction of valve body (3) and disk seat (5), fixed subassembly (7) are used for fixed disk seat (5), fixed subassembly (7) are including the symmetry setting in rotation bolt (703) of disk seat (5) avris, the outside cover of rotation bolt (703) is equipped with card strip (701), the avris symmetry of valve body (3) is provided with the location portion that is used for joint card strip (701).

2. The backwater blocker of heating equipment according to claim 1, wherein the positioning part comprises a positioning bolt (702) arranged on the outer side of the valve body (3), a rotating sleeve (7021) is sleeved on the outer side of the positioning bolt (702), and the rotating sleeve (7021) is used for rotating and inserting the clamping strip (701).

3. The backwater blocker of heating equipment according to claim 1, wherein a clamping groove (7011) for inserting a rotary sleeve (7021) is formed in the side of the clamping strip (701), and an isolating ring (704) for isolating the side of the clamping strip (701) from the end of the rotary bolt (703) is arranged on the outer side of the rotary bolt (703).

4. A water return blocking device for a heating apparatus according to claim 3, wherein a connecting insert ring (501) is provided at the top of the valve seat (5), the top of the connecting insert ring (501) is inserted and connected to the bottom of the valve body (3), and a connecting water blocking ring (502) for water blocking is provided at the top of the connecting insert ring (501).

5. The backwater blocker of heating equipment according to claim 1, wherein a locking bolt (6) is connected to the bottom of the valve core (4) in a penetrating manner, and the locking bolt (6) is used for fixing the locking bolt (6) of the valve core (4) and the rebound unit (2).

6. The backwater blocker of heating equipment according to claim 1, wherein one side of the shell (1) is connected with a water inlet pipe (101) in a penetrating way, the end part of the water inlet pipe (101) is connected with the side of the valve body (3) in a penetrating way, the other side of the shell (1) is connected with a water outlet pipe (102) in a penetrating way, and the water outlet pipe (102) is used for outflow of returned water of heating equipment.

7. A backwater blocker of a heating apparatus according to claim 6, characterized in that the bottom of the housing (1) is provided with a purge tube (103), the purge tube (103) being used for the outflow of stains in the housing (1).