CN216112377U

CN216112377U - Flow overload protection device

Info

Publication number: CN216112377U
Application number: CN202022505587.5U
Authority: CN
Inventors: 杨小明
Original assignee: Nanjing Yumu Automation Engineering Co ltd
Current assignee: Nanjing Yumu Automation Engineering Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2022-03-22
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a flow overload protection device, which comprises a body mechanism, wherein the body mechanism comprises a pipe body, the inner wall of one side of the pipe body is fixedly connected with the outer wall of a first fixing ring, the inner wall of the first fixing ring is fixedly connected with the outer wall of one end of a T-shaped overload limiting pipe, and the inner wall of the other side of the pipe body is fixedly connected with the outer wall of a second fixing ring, and the flow overload protection device has the following beneficial effects that: according to the utility model, the T-shaped overload limiting pipe in the body mechanism is matched with the overload protection mechanism and the T-shaped protection inner barrel to be inserted, so that when the flow is overloaded, the fluid can be prevented from passing through, and the effect of protecting the flow can be achieved.

Description

Flow overload protection device

Technical Field

The utility model relates to a flow overload protection device, and belongs to the technical field of safety protection equipment.

Background

In the prior art, the flow overload protection device for fluid is complex in design, cannot simply and effectively protect the flow overload, and has a defect on one hand, so that the utility model provides the flow overload protection device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flow overload protection device, which is used for solving the problems.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a flow overload protection device which comprises a body mechanism, wherein the body mechanism comprises a pipe body, the inner wall of one side of the pipe body is fixedly connected with the outer wall of a first fixing ring, the inner wall of the first fixing ring is fixedly connected with the outer wall of one end of a T-shaped overload limiting pipe, the inner wall of the other side of the pipe body is fixedly connected with the outer wall of a second fixing ring, a plurality of clamping grooves are formed in the side wall of one side, close to the first fixing ring, of the second fixing ring at equal intervals, the inner wall of the second fixing ring is connected with the outer wall of one end of an overload protection mechanism in an alternating mode, a plurality of guide grooves are formed in the outer wall of the pipe body, located between the first fixing ring and the second fixing ring, a first catching groove is formed in one side, close to the first fixing ring, of each guiding groove, and a second catching groove is formed in one side, located on the inner wall of each first catching groove, close to the second fixing ring, of the pipe body.

Preferably, overload protection mechanism includes T type protection inner tube, T type protection inner tube outer wall chisel has a plurality of overflow grooves, T type protection inner tube is close to a plurality of fixture blocks of No. two solid fixed ring's one side lateral walls fixed, one side outer wall that the fixed plate was kept away from to T type protection inner tube rotates through a plurality of torsional springs and extension plate one end to be connected, every the one end that a torsional spring was kept away from to the extension plate is fixed with a buckle, every the one end that the extension plate was kept away from to a buckle and the one side that is close to the fixed plate all rotates through No. two torsional springs and No. two buckles and is connected.

Preferably, every the quantity of a buckle all equals with the quantity of guiding groove, and every No. one buckle and No. two buckles all are located the guiding groove and are close to the inside of No. two solid fixed ring one ends.

Preferably, every the external diameter size of a buckle all matches with the internal diameter size of a catching groove, and every the external diameter size of No. two buckles all equals the internal diameter size of No. two catching grooves.

Preferably, the number and the size of the clamping blocks are matched with the number and the size of the clamping grooves one by one, and the T-shaped protective inner cylinder is clamped with the clamping grooves in the second fixing ring through the plurality of clamping blocks.

Preferably, the outer diameter dimension that T type protection inner tube is close to solid fixed ring one side equals the inner diameter dimension that T type transships spacing pipe, just the lateral wall that T type protection inner tube is close to T type and transships spacing pipe one end is solid.

The utility model has the following beneficial effects: according to the utility model, the T-shaped overload limiting pipe in the body mechanism is matched with the overload protection mechanism and the T-shaped protection inner barrel to be inserted, so that when the flow is overloaded, the fluid can be prevented from passing through, and the effect of protecting the flow can be achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the overload protection structure of the present invention;

fig. 3 is an enlarged schematic view of the structure at a of the present invention.

In the figure: 1. a body mechanism; 11. a pipe body; 12. a first fixing ring; 13. a T-shaped overload limiting pipe; 14. A second fixing ring; 15. a card slot; 16. a first catching groove; 17. a second catching groove; 18. a guide groove; 2. an overload protection mechanism; 21. a T-shaped protective inner barrel; 23. a fixing plate; 24. a clamping block; 25. a first torsion spring; 26. An extension plate; 27. a first buckle plate; 28. a second torsion spring; 29. and a second buckle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-3, a flow overload protection device, including body mechanism 1, body mechanism 1 includes body 11, the outer wall fixed connection of body 11 one side inner wall and a solid fixed ring 12, the inner wall of a solid fixed ring 12 and the outer wall fixed connection of T type overload spacing pipe 13 one end, the outer wall fixed connection of body 11 opposite side inner wall and No. two solid fixed ring 14, No. two solid fixed ring 14 is near one side lateral wall equidistance of a solid fixed ring 12 and is dug a plurality of draw-in grooves 15, No. two solid fixed ring 14's inner wall and the outer wall of overload protection mechanism 2 one end alternate and be connected, body 11 is located the outer wall of a solid fixed ring 12 and No. two solid fixed ring 14 and is dug a plurality of guiding grooves 18, body 11 is located that one side that every guiding groove 18 is close to a solid fixed ring 12 all gouged No. one catching groove 16, body 11 is located that one side that every guiding groove 16 inner wall is close to No. two solid fixed ring 14 all gouged No. two catching grooves 17.

Overload protection mechanism 2 includes T type protection inner tube 21, the outer wall excavation of T type protection inner tube 21 has a plurality of overflow grooves, T type protection inner tube 21 is close to a plurality of fixture blocks 24 of the fixed side wall of No. two solid fixed rings 14, one side outer wall that fixed plate 23 was kept away from to T type protection inner tube 21 is connected through a plurality of torsional springs 25 and extension plate 26 one end rotation, the one end that a torsional spring 25 was kept away from to every extension plate 26 is fixed with buckle 27 No. one, the one end that extension plate 26 was kept away from to every buckle 27 and the one side that is close to fixed plate 23 all rotates through No. two torsional springs 28 and No. two buckle 29 to be connected.

The number of each first buckle plate 27 is equal to that of the guide grooves 18, and each first buckle plate 27 and each second buckle plate 29 are located inside one end of each guide groove 18, which is close to the second fixing ring 14.

The outer diameter of each first buckle plate 27 is matched with the inner diameter of the first buckle groove 16, and the outer diameter of each second buckle plate 29 is equal to the inner diameter of the second buckle groove 17.

The number and the size of the clamping blocks 24 are matched with those of the clamping grooves 15 one by one, and the T-shaped protective inner cylinder 21 is clamped with the clamping grooves 15 on the second fixing ring 14 through the plurality of clamping blocks 24.

The outer diameter of the T-shaped protection inner cylinder 21 close to one side of the first fixing ring 12 is equal to the inner diameter of the T-shaped overload limiting pipe 13, and the side wall of the T-shaped protection inner cylinder 21 close to one end of the T-shaped overload limiting pipe 13 is solid.

Specifically, when the utility model is used, the device is connected at a position to be installed through a bolt, fluid flows in through one end of the tube body 11 close to the second fixing ring 14, enters the tube body 11 through a plurality of overflow grooves in the T-shaped protection inner tube 21 and is reserved from the interior of the T-shaped overload limiting tube 13, when the flow is overloaded, the pressure drives the T-shaped protection inner tube 21 to move towards one side close to the T-shaped overload limiting tube 13, so that a plurality of clamping blocks 24 on the fixing plate 23 are clamped and separated with clamping grooves 15 on the second fixing ring 14, at the same time, each first buckle plate 27 slides towards the position close to the T-shaped overload limiting tube 13 along with the T-shaped protection inner tube 21 in the guide groove 18 until the T-shaped protection inner tube 21 is inserted into the T-shaped overload limiting tube 13 to block the flowing position of the T-shaped overload limiting tube 13, and simultaneously, the first buckle plate 27 is inserted into the first buckle groove 16 from the guide groove 18 along with the torsion force of the first torsion spring 25, and No. two buckle plates 29 of one side are clamped into No. two buckle grooves 17 along the same direction of the torsion force of No. two torsion springs 28, and are inserted into No. one buckle groove 16 through a buckle plate 27, and No. two buckle plates 29 are inserted into a guide groove 18, so that the position of the T-shaped protection inner barrel 21 is stable, the problem that the T-shaped protection inner barrel 21 is separated from the T-shaped overload limiting pipe 13 due to back suction is avoided, and the T-shaped protection inner barrel 21 can be enabled to have a stable overload protection effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flow overload protection device, a serial communication port, including body mechanism (1), body mechanism (1) is including body (11), the outer wall fixed connection of body (11) one side inner wall and a solid fixed ring (12), the inner wall of a solid fixed ring (12) transships the outer wall fixed connection of spacing pipe (13) one end with the T type, the outer wall fixed connection of body (11) opposite side inner wall and No. two solid fixed ring (14), No. two solid fixed ring (14) are close to one side lateral wall equidistance of a solid fixed ring (12) and are opened chisel and have a plurality of draw-in grooves (15), the inner wall of No. two solid fixed ring (14) alternates with the outer wall of overload protection mechanism (2) one end and are connected, the outer wall that body (11) are located between a solid fixed ring (12) and No. two solid fixed ring (14) is opened and is chisel and has a plurality of guiding groove (18), one side that body (11) are located every guiding groove (18) and are close to a solid fixed ring (12) is all opened and are detained a catching groove (11) (16) And a second catching groove (17) is formed in one side, close to the second fixing ring (14), of the inner wall of each first catching groove (16) of the pipe body (11).

2. The flow overload protection device according to claim 1, wherein the overload protection mechanism (2) comprises a T-shaped protection inner barrel (21), a plurality of overflow grooves are formed in the outer wall of the T-shaped protection inner barrel (21), a plurality of clamping blocks (24) are fixed on the side wall of one side, close to the second fixing ring (14), of the T-shaped protection inner barrel (21), the outer wall of one side, far away from the fixing plate (23), of the T-shaped protection inner barrel (21) is rotationally connected with one end of an extension plate (26) through a plurality of torsion springs (25), one end, far away from the extension plate (25), of the extension plate (26) is fixed with a first clamping plate (27), and each clamping plate (27) is rotationally connected with the second clamping plate (29) through a second torsion spring (28) on one side, far away from one end of the extension plate (26) and close to the fixing plate (23).

3. The flow overload protection device according to claim 2, wherein the number of the first buckle plates (27) is equal to that of the guide grooves (18), and each of the first buckle plates (27) and the second buckle plates (29) is positioned inside one end of the guide groove (18) close to the second fixing ring (14).

4. A flow overload protection device according to claim 2, characterised in that the external diameter of each first clip (27) matches the internal diameter of the first clip groove (16), and the external diameter of each second clip (29) is equal to the internal diameter of the second clip groove (17).

5. The flow overload protection device according to claim 2, wherein the number and the size of the clamping blocks (24) are matched with those of the clamping grooves (15) one by one, and the T-shaped protection inner cylinder (21) is clamped with the clamping grooves (15) on the second fixing ring (14) through the plurality of clamping blocks (24).

6. The flow overload protection device according to claim 2, wherein the outer diameter of the T-shaped protection inner cylinder (21) near the first fixing ring (12) is equal to the inner diameter of the T-shaped overload limiting pipe (13), and the side wall of the T-shaped protection inner cylinder (21) near one end of the T-shaped overload limiting pipe (13) is solid.