CN106704645B

CN106704645B - Fireproof check valve

Info

Publication number: CN106704645B
Application number: CN201710147371.6A
Authority: CN
Inventors: 王启定; 曹正祥
Original assignee: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY CO LTD
Current assignee: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY CO LTD
Priority date: 2017-03-13
Filing date: 2017-03-13
Publication date: 2023-03-24
Anticipated expiration: 2037-03-13
Also published as: CN106704645A

Abstract

The invention relates to a fireproof check valve, which solves the problem that the fireproof check valve is difficult to detach from an exhaust passage. The utility model provides a fire prevention check valve, includes valve body, valve block and connecting rod, be equipped with the gas vent on the valve body, the valve block lid is established on the gas vent, the valve block with the valve body passes through the connecting rod is connected, fire prevention check valve still include with adjustment mechanism and the action bars that the valve body corresponds, be equipped with the installation passageway on the valve body, action bars one end sets up outside the valve body, the action bars other end runs through the installation passageway orders about adjustment mechanism moves, with control adjustment mechanism with interval distance between the valve body.

Description

Fireproof check valve

Technical Field

The invention relates to a fireproof check valve.

Background

The fire prevention check valve includes valve body, valve block and is used for connecting the connecting rod of valve block and valve body, is equipped with the gas vent on the valve body, and the valve block lid is established on the gas vent, and the connecting rod rotates relative to the valve body to realize that the valve block opens or closes the gas vent. The fireproof check valve is arranged on the pipe wall of the exhaust passage so as to realize that the smoke in the house moves into the exhaust passage through the exhaust port. However, existing fire check valves are difficult to remove from the stack.

Disclosure of Invention

The invention aims to provide a fireproof check valve, which is convenient to detach from an exhaust passage.

In order to solve the above problems, the present invention provides the following technical solutions:

the utility model provides a fire prevention check valve, includes valve body, valve block and connecting rod, be equipped with the gas vent on the valve body, the valve block lid is established on the gas vent, the valve block with the valve body passes through the connecting rod is connected, fire prevention check valve still include with adjustment mechanism and the action bars that the valve body corresponds, be equipped with the installation passageway on the valve body, action bars one end sets up outside the valve body, the action bars other end runs through the installation passageway orders about adjustment mechanism moves, with control adjustment mechanism with interval distance between the valve body.

Further, adjustment mechanism include the regulating plate and with the regulating plate rotates the clamp splice of being connected, be equipped with the baffle on the regulating plate, the clamp splice is relative the regulating plate rotates, so that the clamp splice with the baffle offsets.

Further, the regulating plate comprises a plate body and a protrusion extending outwards from the plate body, and the baffle is formed by extending forwards from the side wall of the protrusion.

Furthermore, the connecting position of the clamping block and the adjusting plate forms an axis, and the center of gravity of the clamping block is positioned on the outer side of the axis.

Furthermore, the fireproof check valve further comprises an air guide cover connected with the valve body, and a guide channel used for limiting the movement track of the adjusting mechanism is arranged on the air guide cover.

Furthermore, the fireproof check valve further comprises a connecting piece, the adjusting mechanism is arranged outside the air guide cover and is fixedly connected with one end of the connecting piece, the guide channel is a guide hole, and the other end of the connecting piece penetrates through the guide hole and is fixedly connected with the other end of the operating rod.

Furthermore, the operating rod is a first bolt, and a threaded hole matched with the first bolt is formed in the connecting piece.

Further, the connecting piece comprises a second bolt fixedly connected with the adjusting mechanism, and the threaded hole is formed in the head of the second bolt.

Furthermore, the adjusting mechanism is rotatably connected with the wind scooper.

Furthermore, the valve body comprises a decorative panel and a valve core, the adjusting mechanism corresponds to the decorative panel, a mounting hole is formed in the decorative panel, and the valve core is inserted into the mounting hole and detachably mounted on the decorative panel.

The invention has the beneficial effects that:

the fireproof check valve comprises an operating rod and an adjusting mechanism, wherein a mounting channel is arranged on a valve body, one end of the operating rod is arranged outside the valve body, the other end of the operating rod penetrates through the mounting channel and drives the adjusting mechanism to move so as to change the spacing distance between the adjusting mechanism and the valve body, and the adjusting mechanism corresponds to the valve body, so that a gap between the adjusting mechanism and the valve body is inserted into the pipe wall of an exhaust passage, and the pipe wall of the exhaust passage can be clamped between the adjusting mechanism and the valve body after the operating rod drives the adjusting mechanism to move towards the direction of the valve body; when the pipe wall of the exhaust passage is clamped between the adjusting mechanism and the valve body, the operating rod drives the adjusting mechanism to move towards the direction far away from the valve body, so that the fireproof check valve is conveniently detached from the exhaust passage. So design, fire prevention check valve easy dismounting.

Drawings

FIG. 1 is a first perspective view of a fire check valve in a preferred embodiment of the present invention;

FIG. 2 is a second perspective view of the fire check valve in the preferred embodiment of the present invention;

FIG. 3 is a perspective view of a valve body in a preferred embodiment of the invention;

FIG. 4 is a perspective view of a wind scooper according to a preferred embodiment of the present invention;

FIG. 5 is a perspective view of the clamping plate and attachment mechanism in the preferred embodiment of the invention;

fig. 6 is a perspective view of a splint according to the preferred embodiment of the present invention.

Detailed Description

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.

Referring to fig. 1, a fire prevention check valve, includes valve body, valve block 3 and connecting rod 4, is equipped with gas vent 21 on the valve body, and valve block 3 lid is established on gas vent 21, and valve block 3 passes through connecting rod 4 with the valve body to be connected, and when connecting rod 4 rotates relatively to the valve body to realize that valve block 3 opens or closes gas vent 21.

Referring to fig. 2 and 5, the difference from the prior art is that: the fire prevention check valve of this embodiment still includes adjustment mechanism 8 and the action bars 6 that corresponds with the valve body, is equipped with the installation passageway on the valve body, and 6 one end settings of action bars are outside the valve body, and the 6 other ends of action bars run through the installation passageway and order about adjustment mechanism 8 motion to control the spacing distance between adjustment mechanism 8 and the valve body.

It should be noted that: the pipe wall of the exhaust passage is inserted into a gap between the adjusting mechanism 8 and the valve body, and after the operating rod 6 drives the adjusting mechanism 8 to move towards the valve body, the pipe wall of the exhaust passage can be clamped between the adjusting mechanism 8 and the valve body; when the pipe wall of the exhaust passage is clamped between the adjusting mechanism 8 and the valve body, the operating rod 6 drives the adjusting mechanism 8 to move towards the direction far away from the valve body, so that the fireproof check valve is convenient to detach from the exhaust passage.

Referring to fig. 2 and 3, the installation passage of the present embodiment is a first installation hole 11, and the operation rod 6 penetrates the first installation hole 11. Of course, in other embodiments of the invention, the mounting channel may be a notch provided on the valve body.

Referring to fig. 2, the adjusting mechanism 8 of this embodiment includes an adjusting plate 81 and a clamping block 82 rotatably connected to the adjusting plate 81, a baffle plate 9 is disposed on the adjusting plate 81, and the clamping block 82 rotates relative to the adjusting plate 81 to make the clamping block 82 abut against the baffle plate 9, specifically: as can be seen from fig. 5 and 6, the adjusting plate 81 includes a plate body 811 and a protrusion 812 extending outward from the plate body 811, the baffle plate 9 is formed by extending forward from a side wall of the protrusion 812, the fire check valve further includes a third bolt 10, the third bolt 10 penetrates through a first through hole of the clamping block 82 and is fixedly connected with a third threaded hole 8111 of the protrusion 812, and the clamping block 82 rotates around the third bolt 10 to make the clamping block 82 abut against the baffle plate 9; when the clamping block 82 abuts against the baffle 9, the pipe wall of the exhaust passage can be clamped between the clamping block 82 and the valve body, so that the fireproof check valve is fixed on the pipe wall of the exhaust passage. So designed, in the process that the fire prevention check valve inserts the exhaust passage, clamp block 82 can offset with plate body 811, in other words, through reducing the volume of fire prevention check valve with reduce the probability that fire prevention check valve will take place to interfere with the exhaust passage pipe wall in the process of inserting the exhaust passage. In other embodiments of the present invention, the stop plate is formed by a bottom wall of the protrusion extending forward, the fireproof check valve comprises a rivet, the clamping block is rotatably connected with the protrusion through the rivet, and the clamping block rotates around the rivet to enable the clamping block to abut against the stop plate.

Of course, in other embodiments of the present invention, the adjusting mechanism includes an adjusting plate, and the pipe wall of the exhaust passage may also be clamped between the adjusting plate and the valve body, so as to fix the fireproof check valve on the pipe wall of the exhaust passage.

In this embodiment, the "protrusion 812 has a sidewall extending forward" that the sidewall of the protrusion 812 extends toward the valve body.

Preferably, the angle between the outer side wall 821 of the clamping block 82 and the top wall of the baffle plate 9 is 90 ° when the clamping block 82 is abutted against the baffle plate 9.

Referring to fig. 5 and 6, the joint of the clamping block 82 and the adjusting plate 81 of the present embodiment forms an axis, the center of gravity of the clamping block 82 is located outside the axis, specifically: the axis is the center of the third threaded hole 8111, the outer side wall 821 of the clamping block 82 is vertically arranged, the inner side wall 822 of the clamping block 82 is obliquely arranged, and the width of the clamping block 82 at one end of the third threaded hole 8111 is larger than the width of the clamping block 82 at one end far away from the third threaded hole 8111. So designed, the fire-proof check valve receives slight striking, and the clamp block 82 will rotate around the third bolt 10 under the effect of its own gravity to realize that the clamp block 82 is against the baffle 9. In other embodiments of the invention, the center of gravity of the clamp block coincides with the axis.

Referring to fig. 2, 4 and 5, the wind scooper 5 of the present embodiment is provided with a guide channel for defining a movement track of the adjusting mechanism 8, specifically: the fireproof check valve further comprises a connecting piece 7, the adjusting mechanism 8 is arranged outside the wind scooper 5, the adjusting mechanism 8 is fixedly connected with one end of the connecting piece 7, the guide channel is a guide hole 51, and the other end of the connecting piece 7 penetrates through the guide hole 51 and is fixedly connected with the other end of the operating rod 6. So design, fire prevention check valve simple structure, light in weight. In other embodiments of the present invention, a guide block is disposed outside the wind scooper, an arc-shaped guide slot is disposed on the guide block, and the adjusting mechanism is inserted into the arc-shaped guide slot and is fixedly connected to the other end of the operating rod.

Referring to fig. 2 and 5, the operating rod 6 of the present embodiment is a first bolt, and the connecting member 7 is provided with a threaded hole matched with the first bolt, which is referred to as a first threaded hole 711 for convenience of distinction. By the design, the operating rod 6 can be repeatedly used. In other embodiments of the present invention, the operating rod is a first stud, and the first stud sequentially penetrates through the nut and the valve body and is fixedly connected to the connecting member, so that the pipe wall of the exhaust passage is clamped between the adjusting mechanism and the valve body.

Referring to fig. 5 and 6, the connecting member 7 of the present embodiment includes a second bolt fixedly connected to the adjusting mechanism 8, and the first threaded hole 711 is disposed at the head 71 of the second bolt, specifically: the top of plate body 811 is equipped with second screw hole 8111, second bolt and second screw hole 8111 fixed connection. By the design, in the process that the electric tool drives the first bolt to rotate clockwise, the second bolt moves towards the head of the first bolt so as to reduce the spacing distance between the clamping block 82 and the valve body; during the process that the electric tool drives the first bolt to rotate anticlockwise, the second bolt moves towards the direction away from the head of the first bolt, so that the spacing distance between the clamping block 82 and the valve body is increased. In other embodiments of the present invention, the connecting member is a connecting rod, one end of the connecting rod is connected with the adjusting plate by welding, and the first threaded hole is disposed at the other end of the connecting rod.

Referring to fig. 4 and 6, the adjusting plate 81 of the present embodiment is rotatably connected to the wind scooper 5, specifically: the fireproof check valve further comprises a fourth bolt, a second through hole 8112 is formed in the bottom of the plate body 811, a fourth threaded hole 52 is formed in the wind scooper 5, and the fourth bolt penetrates through the second through hole 8112 and is fixedly connected with the fourth threaded hole 52. In other embodiments of the present invention, the adjusting plate is connected to the wind scooper by a rivet to rotate the adjusting plate relative to the wind scooper.

In this embodiment, the second bolt slides along the guide hole 51 during rotation of the adjustment plate 81 about the fourth bolt.

Referring to fig. 2 and 3, the valve body of the present embodiment includes a decorative panel 1 connected to the air guiding cover 5 and a valve element 2 provided with an exhaust port 21, the adjusting mechanism 8 corresponds to the decorative panel 1, and a mounting hole corresponding to the air guiding cover 5 is provided on the decorative panel 1, in the present embodiment, the mounting hole is referred to as a second mounting hole for easy distinction, and the valve element 2 is inserted into the second mounting hole and detachably mounted on the decorative panel 1, specifically: the valve core 2 is inserted into the second mounting hole, and the valve core 2 is clamped on the decorative panel 1. By the design, when the valve core 2 is separated from the decorative panel 1, a user can observe whether the connecting piece 7 and the adjusting mechanism 8 work normally or not through naked eyes. In other embodiments of the invention, the decorative panel is integrally formed with the valve cartridge; or the valve core is fixed on the decorative panel through screws.

In this embodiment, since the valve body includes the decorative panel 1 and the valve body 2, the "separation distance between the adjustment mechanism 8 and the valve body" is the "separation distance between the clamp block 82 and the decorative panel 1". Further, the first mounting hole 11 is provided in the decorative panel 1.

While the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. A fireproof check valve comprises a valve body, a valve block and a connecting rod, wherein an exhaust port is formed in the valve body, the valve block is covered on the exhaust port, and the valve block is connected with the valve body through the connecting rod; the valve body comprises a decoration panel and a valve core, the installation channel is arranged on the decoration panel, one end of the operating rod is arranged outside the decoration panel, and the other end of the operating rod penetrates through the installation channel and drives the adjusting mechanism to move; the adjusting mechanism comprises an adjusting plate and a clamping block rotationally connected with the adjusting plate, an axis is formed at the connecting position of the clamping block and the adjusting plate, and the center of gravity of the clamping block is positioned on the outer side of the axis; the adjusting mechanism corresponds to the decorative panel, a gap between the adjusting mechanism and the decorative panel is inserted into the pipe wall of the exhaust passage, and the pipe wall of the exhaust passage can be clamped between the adjusting mechanism and the decorative panel after the adjusting mechanism is driven by the operating rod to move towards the decorative panel; when the pipe wall of the exhaust passage is clamped between the adjusting mechanism and the decorative panel, the operating rod drives the adjusting mechanism to move in the direction away from the decorative panel, so that the fireproof check valve is conveniently detached from the exhaust passage.

2. The fire resistant check valve of claim 1, wherein the adjustment plate has a stop plate, and the clamping block rotates relative to the adjustment plate to urge the clamping block against the stop plate.

3. The fire resistant check valve of claim 2 wherein said adjustment plate includes a plate body and a boss extending outwardly from said plate body, said flap being formed by a forward extension of said boss sidewall.

4. The fire check valve of any one of claims 1 to 3, further comprising a wind scooper connected to the valve body, the wind scooper having a guide channel for defining a movement path of the adjustment mechanism.

5. The fire check valve of claim 4, further comprising a connecting member, wherein the adjusting mechanism is disposed outside the wind scooper and is fixedly connected to one end of the connecting member, the guiding passage is a guiding hole, and the other end of the connecting member penetrates through the guiding hole and is fixedly connected to the other end of the operating rod.

6. A fire protection check valve as claimed in claim 5, wherein said operating rod is a first bolt, and said connecting member is provided with a threaded hole for engaging said first bolt.

7. The fire resistant check valve of claim 6 wherein said connector includes a second bolt fixedly connected to said adjustment mechanism, said threaded bore being disposed at a head of said second bolt.

8. The fire resistant check valve of claim 4 wherein said adjustment mechanism is rotatably coupled to said wind scooper.

9. A fire protection check valve as claimed in any one of claims 1 to 3, wherein said decorative panel is provided with a mounting hole, and said spool is inserted into said mounting hole and detachably mounted to said decorative panel.