CN213839727U - Flue valve locking mechanism - Google Patents
Flue valve locking mechanism Download PDFInfo
- Publication number
- CN213839727U CN213839727U CN202021399069.3U CN202021399069U CN213839727U CN 213839727 U CN213839727 U CN 213839727U CN 202021399069 U CN202021399069 U CN 202021399069U CN 213839727 U CN213839727 U CN 213839727U
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- connecting rod
- plate
- locking mechanism
- elastic body
- supporting plate
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Abstract
The utility model relates to a flue valve locking mechanism, which comprises a mounting seat, a locking piece, a rocker arm connecting rod, a fusing limit part and a lever piece; the mounting seat comprises a supporting plate A and a supporting plate B which are parallel, the supporting plate A and the supporting plate B are connected through a bottom plate, and a mounting plate is arranged on the supporting plate A; a limiting plate and a limiting groove are respectively arranged at two ends of the lever piece, one end of the mounting plate is hinged with the limiting groove end of the lever piece, and a fusing limiting part is fixedly mounted at the other end of the mounting plate; the locking piece and the rocker arm connecting rod are hinged to the mounting seat through a shaft, a first elastic body is mounted on the shaft, one end of the first elastic body is fixed to the mounting seat, the other end of the first elastic body is connected to the locking piece in a clamped mode, and the locking piece is used for locking the rocker arm connecting rod. The limiting of the position of the rocker connecting rod is realized by arranging the locking piece, and the valve plate connected with the rocker connecting rod is prevented from rotating, so that the fire is prevented from spreading.
Description
Technical Field
The utility model relates to a house exhaust passage technical field, concretely relates to flue valve locking mechanism.
Background
The fireproof check valve comprises a valve body, a valve block, a connecting rod, a shifting rod, a fusing limiting part and an elastic element, wherein an exhaust port is formed in the valve body, the valve block is covered on the exhaust port, the valve block is connected with the valve body through the connecting rod, the shifting rod is rotatably connected with the valve body, the fusing limiting part is fixed on the valve body, one end of the elastic element is fixedly connected with the valve body, the other end of the elastic element is connected with the shifting rod and drives the shifting rod to abut against the fusing limiting part, and after the fusing limiting part acts, the elastic element drives the shifting rod to rotate relative to the valve body and extrudes the connecting rod so that the connecting rod closes the exhaust port through the valve block; when the fuse limiting part acts and the elastic element is continuously heated to lose elasticity under high temperature, the deflector rod is easily separated from the connecting rod under the blowing of air flow in the air.
When the deflector rod is separated from the connecting rod under the blowing of the air flow, the valve plate drives the connecting rod to rotate relative to the valve body under the blowing of the air flow so as to open the exhaust port. This will cause the fire check valve to lose its fire and smoke protection function in high temperature environments.
SUMMERY OF THE UTILITY MODEL
The utility model discloses drive the connecting rod rotation under the air current blows to valve block among the prior art, lead to the fire prevention to separate the problem that the cigarette became invalid, provide a flue valve locking mechanism.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a flue valve locking mechanism comprises a mounting seat, a locking piece, a rocker arm connecting rod, a fusing limiting piece and a lever piece;
the mounting seat comprises a supporting plate A and a supporting plate B which are parallel, the supporting plate A and the supporting plate B are connected through a bottom plate, and a mounting plate is arranged on the supporting plate A; a limiting plate and a limiting groove are respectively arranged at two ends of the lever piece, one end of the mounting plate is hinged with the limiting groove end of the lever piece, and a fusing limiting part is fixedly mounted at the other end of the mounting plate;
the locking piece and the rocker arm connecting rod are hinged to the mounting seat through a shaft, a first elastic body is mounted on the shaft, one end of the first elastic body is fixed to the mounting seat, the other end of the first elastic body is connected to the locking piece in a clamped mode, and the locking piece is used for locking the rocker arm connecting rod.
The utility model has the advantages that: according to the lever piece, the lever piece is hinged to the mounting plate, so that the lever piece rotates according to the use condition, the limiting part is fixedly mounted at the other end of the mounting plate to limit the initial position of the lever piece, the overall structure is simple, and the mounting is convenient; one end of the first elastic body is fixed on the mounting seat, and the other end of the first elastic body is clamped on the locking piece, so that driving force for rotating the locking piece is generated, and the locking device is reasonable in structure and convenient to operate; the limiting of the position of the rocker connecting rod is realized by arranging the locking piece, and the valve plate connected with the rocker connecting rod is prevented from rotating, so that the fire is prevented from spreading.
On the basis of the technical scheme, the utility model discloses a reach the convenience of use and the stability of equipment, can also make following improvement to foretell technical scheme:
further, the locking piece is hinged to the mounting seat through a shaft A, and the first elastic body is mounted on the shaft A; the rocker arm connecting rod is hinged on the mounting seat through a shaft B.
The beneficial effect of adopting the further technical scheme is that: through setting up lock plate and rocking arm connecting rod on different axles, simple to operate.
Further, install the second elastomer on the axle B, the one end of second elastomer is fixed in backup pad B, and the other end joint is on the rocking arm connecting rod.
The beneficial effect of adopting the further technical scheme is that: the second elastic body is clamped on the rocker arm connecting rod, so that the normal reset of the rocker arm connecting rod is ensured.
Further, the supporting plate B is provided with a groove with an upward opening, and the second elastic body is clamped in the groove.
The beneficial effect of adopting the further technical scheme is that: through with the second elastomer joint in the recess on backup pad B, can avoid the second elastomer to slide on backup pad B, guarantee that the rocking arm connecting rod can normally rotate.
Further, at least one of the grooves is provided.
The beneficial effect of adopting the further technical scheme is that: by arranging at least one groove, the second elastic body can be clamped at different positions according to the use requirement, so that the universality of the locking mechanism is improved.
Further, the first elastic body is clamped on the first clamping portion of the locking sheet.
The beneficial effect of adopting the further technical scheme is that: through with first elastomer joint can save space and can avoid first elastomer to slide on the locking piece in first joint portion, guarantee the fastness of joint.
Further, a notch for accommodating the first elastic body is formed in the lower end face of the rocker arm connecting rod.
The beneficial effect of adopting the further technical scheme is that: through set up the breach that holds first elastomer on the rocker connecting rod, guarantee that valve block and flue valve are closely closed, guarantee the flue valve fire prevention and separate the effect of cigarette.
Further, a second clamping portion corresponding to the locking piece is arranged on the rocker arm connecting rod.
The beneficial effect of adopting the further technical scheme is that: through set up the second joint portion that corresponds with the lock block on the rocker connecting rod, guarantee the fastness of joint to avoid the valve block to take place to rotate, guarantee the effect of fire prevention.
Further, the rocker arm connecting rod extends along the length direction to form a protrusion.
The beneficial effect of adopting the further technical scheme is that: through forming second joint portion with rocking arm connecting rod and arch, can guarantee the requirement of joint fastness, simultaneous processing is simple, practices thrift the processing cost.
Further, the fuse limiting part comprises two L-shaped plates welded together through a fuse agent.
The beneficial effect of adopting the further technical scheme is that: through setting up fusing locating part into the L shaped plate of welding together, can satisfy the fixed requirement of fusing locating part, can prevent again that the lever piece from taking place to rotate, simple to operate is convenient.
Drawings
FIG. 1 is a schematic structural view of a flue valve locking mechanism of the present application;
FIG. 2 is a schematic structural diagram of a flue locking mechanism when a fuse limiting member is actuated;
FIG. 3 is a schematic structural view of the locking plate;
fig. 4 is a schematic structural view of a rocker link.
The reference numbers are recorded as follows: the device comprises a mounting seat 1, a supporting plate A1-1, a supporting plate B1-2, a shaft A2, a shaft B3, a first elastic body 4, a second elastic body 5, a locking piece 6, a first clamping portion 6-1, a rocker arm connecting rod 7, a second clamping portion 7-1, a notch 7-2, a fusing limiting piece 8, a lever piece 9 and a valve plate 10.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 4, a locking mechanism of a flue valve comprises a mounting seat 1, a locking piece 6, a rocker connecting rod 7, a fusing limit piece 8 and a lever piece 9;
the mounting seat 1 comprises a supporting plate A1-1 and a supporting plate B1-2 which are parallel, the supporting plate A1-1 and the supporting plate B1-2 are connected through a bottom plate 1-3, and a mounting plate is arranged on the supporting plate A1-1; a limiting plate 9-1 and a limiting groove 9-2 are respectively arranged at two ends of the lever sheet 9, one end of the mounting plate is hinged with the end of the limiting groove 9-2 of the lever sheet 9, and a fusing limiting part 8 is fixedly mounted at the other end of the mounting plate;
The locking piece 6 is hinged on the mounting seat 1 through a shaft A2, and the first elastic body 4 is mounted on a shaft A2; the rocker link is hinged to the mounting 1 by a shaft B3.
A second elastic body 5 is arranged on the shaft B3, one end of the second elastic body 5 is fixed on the supporting plate B1-2, and the other end is clamped on the rocker arm connecting rod 7.
The supporting plate B1-2 is provided with a groove with an upward opening, and the second elastic body 5 is clamped in the groove.
At least one of the grooves is provided.
The first elastic body 4 is clamped on the first clamping part 6-1 of the locking sheet 6.
And a notch 7-2 for accommodating the first elastic body 4 is formed in the lower end face of the rocker arm connecting rod 7.
And a second clamping part 7-1 corresponding to the locking sheet 6 is arranged on the rocker arm connecting rod 7.
The rocker link 7 extends in the length direction to form a protrusion. The rocker connecting rod 7 is connected with a valve plate 10, and the valve plate 10 and the bulge are respectively positioned at two ends of the rocker connecting rod 7.
The fuse limiting member 8 comprises two L-shaped plates welded together by a fuse agent.
Fusing locating part 8 includes two L shaped plates of welding together, and two L shape fuse-links pass through the brazing filler metal welding. When the fusing limiting part 8 does not act, one end of the lever sheet 9 abuts against the locking sheet 6, and the other end abuts against the fusing limiting part 8; after brazing filler metal high temperature melts, two L shaped plate separation, lever piece 9 loses the effect of blockking of fusing locating part 8, and lever piece 9 takes place rotatoryly, locking piece 6 rotates along the opposite direction with valve block 10 under the effect of first elastomer 4 to the joint is on rocker connecting rod 7, through the rotation of injecing rocker connecting rod 7, thereby avoids valve block 10 to open, guarantees the flue valve fire prevention and separates the effect of cigarette.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A flue valve locking mechanism is characterized by comprising a mounting seat (1), a locking piece (6), a rocker connecting rod (7), a fusing limiting piece (8) and a lever piece (9);
the mounting seat (1) comprises a supporting plate A (1-1) and a supporting plate B (1-2) which are parallel, the supporting plate A (1-1) is connected with the supporting plate B (1-2) through a bottom plate (1-3), and a mounting plate is arranged on the supporting plate A (1-1); a limiting plate (9-1) and a limiting groove (9-2) are respectively arranged at two ends of the lever sheet (9), one end of the mounting plate is hinged with the end of the limiting groove (9-2) of the lever sheet (9), and a fusing limiting part (8) is fixedly mounted at the other end of the mounting plate;
locking piece (6) and rocking arm connecting rod (7) are articulated on mount pad (1) through the axle, epaxial first elastomer (4) of installing, the one end of first elastomer (4) is fixed on mount pad (1), and the other end joint is on locking piece (6), locking piece (6) are used for locking rocking arm connecting rod (7).
2. The flue valve locking mechanism according to claim 1, wherein the locking piece (6) is hinged on the mounting seat (1) by a shaft A (2), and the first elastic body (4) is mounted on the shaft A (2); the rocker connecting rod is hinged on the mounting seat (1) through a shaft B (3).
3. The flue valve locking mechanism according to claim 2, wherein a second elastic body (5) is mounted on the shaft B (3), one end of the second elastic body (5) is fixed on the support plate B (1-2), and the other end is clamped on the rocker arm connecting rod (7).
4. The flue valve locking mechanism according to claim 3, wherein the support plate B (1-2) is provided with a groove with an upward opening, and the second elastic body (5) is clamped in the groove.
5. The flue valve locking mechanism of claim 4 wherein at least one of said grooves is defined.
6. The flue valve locking mechanism according to claim 1, wherein the first elastic body (4) is clamped on the first clamping portion (6-1) of the locking piece (6).
7. Flue valve locking mechanism according to claim 1, wherein the rocker link (7) is provided with a notch (7-2) at its lower end face for receiving the first elastomer (4).
8. The flue valve locking mechanism as claimed in claim 1, wherein the rocker connecting rod (7) is provided with a second clamping portion (7-1) corresponding to the locking piece (6).
9. The flue valve latching mechanism according to claim 1 or 8, wherein the rocker link (7) extends in a length direction to form a protrusion.
10. A flue valve locking mechanism as claimed in claim 1 wherein the fuse retainer (8) comprises two L-shaped plates welded together by a fuse agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021399069.3U CN213839727U (en) | 2020-07-16 | 2020-07-16 | Flue valve locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021399069.3U CN213839727U (en) | 2020-07-16 | 2020-07-16 | Flue valve locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213839727U true CN213839727U (en) | 2021-07-30 |
Family
ID=76988249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021399069.3U Active CN213839727U (en) | 2020-07-16 | 2020-07-16 | Flue valve locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213839727U (en) |
-
2020
- 2020-07-16 CN CN202021399069.3U patent/CN213839727U/en active Active
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