CN217815227U

CN217815227U - Two-way check valve

Info

Publication number: CN217815227U
Application number: CN202221860316.4U
Authority: CN
Inventors: 张玲军; 蒋寅诚; 傅红兵; 俞平平; 傅红波; 罗国炎
Original assignee: Zhejiang Fuyu Valve Manufacture Co ltd
Current assignee: Zhejiang Fuyu Valve Manufacture Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-15
Anticipated expiration: 2032-07-19

Abstract

The utility model provides a two-way check valve, valve body including the tube-shape, the both ends of valve body are provided with annular fixed part, the fixed slot of the vertical setting of a plurality of is seted up to the annular on the fixed part, slidable mounting has the guard plate in the fixed slot, the top of guard plate is provided with the extensible member, the extensible member with sealing connection has the corrugated pipe between the valve body, the outer end movable mounting of extensible member has the connecting pipe, the outside of fixed part be provided with the guard plate corresponds complex fixed subassembly. By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses a fixed subassembly carries out spacing fixed to the extensible member to adjust the length of extensible member according to the actual demand, and then can compensate the problem of the length of pipeline, utilize seal bearing's cooperation to link to each other the connecting pipe with the pipeline under the condition of irrotational pipeline simultaneously, this device is simple structure not only, convenient to use moreover, and the linking of the pipeline of being convenient for is fixed.

Description

Two-way check valve

Technical Field

The utility model belongs to the technical field of the utensil is assisted to the water heater and specifically relates to a two-way check valve is related to.

Background

The solar water heater is a heating device for converting solar energy into heat energy, and heats water from low temperature to high temperature so as to meet the requirement of hot water in life and production of people. The solar water heater is divided into a vacuum tube type solar water heater and a flat plate type solar water heater according to the structural form, mainly uses the vacuum tube type solar water heater as a main part, and occupies 95 percent of domestic market share. The vacuum tube type domestic solar water heater is composed of heat collecting tube, water storage tank and support, and can convert solar energy into heat energy, and mainly depends on the vacuum heat collecting tube, and the vacuum heat collecting tube can utilize the principle of that hot water floats upwards and cold water sinks to make water produce microcirculation to obtain the required hot water.

The pipeline of the existing solar water heater is fixedly connected through the two-way check valve, but the existing two-way check valve is too simple in structure, accurate positioning is needed when two pipelines are connected, and if the two pipelines are fixed, the pipelines are inconvenient to twist, so that the two-way check valve is inconvenient to connect and fix.

SUMMERY OF THE UTILITY MODEL

The utility model provides a two-way check valve to the current two-way check valve structure that proposes in solving above-mentioned background art is too simple, needs accurate location when connecting two pipelines, if then inconvenient twisting of two pipelines in addition is fixed moves the pipeline, the connection and the fixed scheduling problem of two-way check valve of not being convenient for.

The technical scheme of the utility model is realized like this:

the utility model provides a two-way check valve, includes the valve body of tube-shape, the both ends of valve body are provided with annular fixed part, the fixed slot of the vertical setting of a plurality of is seted up to the annular on the fixed part, slidable mounting has the guard plate in the fixed slot, the top of guard plate is provided with the extensible member, the extensible member with sealing connection has the bellows between the valve body, the outer end movable mounting of extensible member has the connecting pipe, the outside of fixed part be provided with the guard plate corresponds complex fixed subassembly.

Preferably, an installation groove communicated with the fixing groove is horizontally formed on the outer side of the fixing part.

Preferably, the fixing assembly comprises a sealing ring fixed at an opening at the outer end of the mounting groove, a fixing column penetrates through the sealing ring, a moving plate is arranged on the outer side of the fixing column, the moving plate is located in the mounting groove, a fixing spring is sleeved on the outer side of the fixing column, and the fixing spring is located between the moving plate and the sealing ring.

Preferably, the outer end of the fixed column is provided with a handle.

Preferably, the protection plate is provided with a plurality of positioning holes correspondingly matched with the mounting grooves.

Preferably, the extensible member is of a cylindrical structure, the inner end of the extensible member extends outwards horizontally to form an extensible part, and one end of the protection plate is fixed to the inner side of the extensible part.

Preferably, a sealing bearing is arranged between the outer end of the telescopic piece and the connecting pipe.

Preferably, the outer side of the connecting pipe is provided with a connecting thread.

Adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses a fixed subassembly carries out spacing fixed to the extensible member to adjust the length of extensible member according to the actual demand, and then can compensate the problem of the length of pipeline, utilize seal bearing's cooperation to link to each other connecting pipe and pipeline under the condition of irrotational pipeline simultaneously, this device is simple structure not only, convenient to use moreover, and the linking of the pipeline of being convenient for is fixed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic enlarged view of the area A of the present invention;

fig. 4 is a top view of the valve body of the present invention.

Wherein:

1. a valve body; 101. a fixed part; 102. mounting grooves; 103. fixing grooves; 2. a telescoping member; 201. a telescopic part; 3. a protection plate; 301. positioning holes; 4. a corrugated tube; 5. a fixing assembly; 501. fixing a column; 502. moving the plate; 503. fixing the spring; 504. a seal ring; 505. a handle; 6. sealing the bearing; 7. a connecting pipe; 8. and connecting threads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a two-way check valve, valve body 1 including the tube-shape, the both ends of valve body 1 are provided with annular fixed part 101, the annular fixed slot 103 of setting up the vertical setting of a plurality of on the fixed part 101, slidable mounting has guard plate 3 in the fixed slot 103, the top of guard plate 3 is provided with extensible member 2, sealing connection has corrugated pipe 4 between extensible member 2 and the valve body 1, the outer end movable mounting of extensible member 2 has connecting pipe 7, the outside of fixed part 101 is provided with and corresponds complex fixed subassembly 5 with guard plate 3.

Specifically, the outer side of the fixing portion 101 is horizontally provided with a mounting groove 102 communicated with the fixing groove 103, the fixing assembly 5 comprises a sealing ring 504 fixed at an opening at the outer end of the mounting groove 102, a fixing column 501 penetrates through the sealing ring 504, a moving plate 502 is arranged on the outer side of the fixing column 501, the moving plate 502 is positioned in the mounting groove 102, a fixing spring 503 is sleeved on the outer side of the fixing column 501, the fixing spring 503 is positioned between the moving plate 502 and the sealing ring 504, the outer end of the fixing column 501 is provided with a handle 505, and the protection plate 3 is provided with a plurality of positioning holes 301 correspondingly matched with the mounting groove 102; with the arrangement, when the telescopic part fixing device is used, the handle 505 is pulled outwards, the fixing column 501 is pulled into the mounting groove 102 by overcoming the elastic force of the fixing spring 503, the protection plate 3 is inserted into the fixing groove 103, the length of the telescopic part 2 is adjusted, the positioning hole 301 is coaxial with the mounting groove 102, the handle 505 is loosened, the moving plate 502 is pushed inwards by the elastic force of the fixing spring 503, the fixing column 501 is inserted into the positioning hole 301, and the telescopic part 2 is fixed.

Specifically, the telescopic member 2 is a cylindrical structure, the inner end of the telescopic member 2 extends horizontally outwards to form a telescopic part 201, and one end of the protection plate 3 is fixed on the inner side of the telescopic part 201.

Specifically, a sealing bearing 6 is arranged between the outer end of the telescopic part 2 and the connecting pipe 7; through setting up sealed bearing 6 not only make things convenient for the rotation and the installation of connecting pipe 7, when not influencing the connecting pipe 7 rotation moreover, avoid rivers to flow out from between connecting pipe 7 and extensible member 2.

Specifically, the outer side of the connecting pipe 7 is provided with a connecting thread 8; the connection of the connecting pipe 7 and the pipeline is facilitated by the arrangement of the connecting thread 8.

The working principle is as follows:

when the corrugated pipe connecting device is used, the handle 505 is pulled outwards, the elastic force of the fixed spring 503 is overcome, the fixed column 501 is pulled into the mounting groove 102, the protection plate 3 is inserted into the fixing groove 103, the length of the telescopic part 2 is adjusted, the positioning hole 301 is coaxial with the mounting groove 102, the handle 505 is loosened, the movable plate 502 is pushed inwards by the elastic force of the fixed spring 503, the fixed column 501 is inserted into the positioning hole 301, the telescopic part 2 is fixed, meanwhile, the whole length of the check valve is adjusted under the assistance of the corrugated pipe 4, the requirement of pipeline connection of different lengths is met, and meanwhile, the connecting pipe 7 is connected with a pipeline under the condition that the pipeline is not rotated by the cooperation of the sealing bearing 6.

The utility model discloses a fixed subassembly 5 carries out spacing fixed to extensible member 2 to adjust the length of extensible member 2 according to the actual demand, and then can compensate the problem of the length of pipeline, utilize seal bearing 6's cooperation to link to each other connecting pipe 7 and pipeline under the condition of irrotational pipeline simultaneously, this device simple structure not only, convenient to use is convenient for moreover, and the linking of the pipeline of being convenient for is fixed.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A two-way check valve characterized by: including the valve body (1) of tube-shape, the both ends of valve body (1) are provided with annular fixed part (101), annular fixed slot (103) of setting up the vertical setting of a plurality of on fixed part (101), slidable mounting has guard plate (3) in fixed slot (103), the top of guard plate (3) is provided with extensible member (2), extensible member (2) with sealing connection has bellows (4) between valve body (1), the outer end movable mounting of extensible member (2) has connecting pipe (7), the outside of fixed part (101) be provided with guard plate (3) correspond complex fixed subassembly (5).

2. A bi-directional check valve as set forth in claim 1 wherein: the outer side of the fixing part (101) is horizontally provided with a mounting groove (102) communicated with the fixing groove (103).

3. A bi-directional check valve as set forth in claim 2 wherein: the fixing assembly (5) comprises a sealing ring (504) fixed at an opening at the outer end of the mounting groove (102), a fixing column (501) penetrates through the sealing ring (504), a moving plate (502) is arranged on the outer side of the fixing column (501), the moving plate (502) is located in the mounting groove (102), a fixing spring (503) is sleeved on the outer side of the fixing column (501), and the fixing spring (503) is located between the moving plate (502) and the sealing ring (504).

4. A bi-directional check valve as set forth in claim 3 wherein: the outer end of the fixing column (501) is provided with a handle (505).

5. A bi-directional check valve as set forth in claim 2 wherein: the protection plate (3) is provided with a plurality of positioning holes (301) correspondingly matched with the mounting grooves (102).

6. A bi-directional check valve as set forth in claim 1 wherein: the telescopic piece (2) is of a cylindrical structure, the inner end of the telescopic piece (2) extends outwards horizontally to form a telescopic part (201), and one end of the protection plate (3) is fixed on the inner side of the telescopic part (201).

7. A bi-directional check valve as set forth in claim 1 wherein: and a sealing bearing (6) is arranged between the outer end of the telescopic piece (2) and the connecting pipe (7).

8. A bi-directional check valve as set forth in claim 1, wherein: and a connecting thread (8) is arranged on the outer side of the connecting pipe (7).