CN219102231U

CN219102231U - Check valve convenient to dismantle

Info

Publication number: CN219102231U
Application number: CN202223358687.5U
Authority: CN
Inventors: 敬康; 孙斐; 何旭烽; 陈洪运
Original assignee: Sanhe Hydraulic Changzhou Co ltd
Current assignee: Sanhe Hydraulic Changzhou Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-30
Anticipated expiration: 2032-12-14

Abstract

The utility model belongs to the technical field of one-way valves, in particular to a one-way valve convenient to detach, which comprises a one-way valve body; connecting pipes are fixedly connected to the two ends of the one-way valve body; a first clamp is arranged at the end part of the one-way valve body; a second clamp is hinged to the top of the first clamp; through connecting hot-water line and cold water pipe with the connecting pipe, then install the dead lever on the wall body, place the check valve body to the inside of first anchor clamps, then lock second anchor clamps, fix through the fixed unit, with check valve body fixed mounting in the inside of first anchor clamps, avoid traditional connection to adopt the suspension mode, cause junction extrusion wearing and tearing, cause the problem of pine takes off.

Description

Check valve convenient to dismantle

Technical Field

The utility model relates to the technical field of one-way valves, in particular to a one-way valve convenient to detach.

Background

A check valve, also called a check valve or a non-return valve, is a valve that allows fluid to flow only in one direction without backflow, and prevents oil from flowing in the opposite direction if a check valve is used in a hydraulic system, and prevents backflow when compressed air is used in a pneumatic system.

The check valve has the main functions in the use process that: the reverse flow of fluid is avoided, the excessive pressure in the system is avoided, the oil way is divided, an actuating mechanism is formed by matching with a throttle valve, and the reaction is avoided.

In the prior art, when the four-way check valve is installed, one end is connected with a hot water pipe, and the other end is connected with a cold water pipe, in the installation process, the four-way check valve is hung at the bottom by screwing the joint, and in the long-time hanging process, the joint at the end part of the check valve can be extruded and pulled for a long time, so that the problem of loosening occurs at the screwing position; therefore, a check valve convenient to disassemble is provided for the problems.

Disclosure of Invention

In order to overcome the defects in the prior art and solve the problems in the background art, the utility model provides the one-way valve convenient to detach.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a check valve convenient to detach, which comprises a check valve body; connecting pipes are fixedly connected to the two ends of the one-way valve body; a first clamp is arranged at the end part of the one-way valve body; a second clamp is hinged to the top of the first clamp; a fixed rod is fixedly connected to the side end of the first clamp; a positioning plate is fixedly connected to the side end of the first clamp; a fixing plate is fixedly connected to the side end of the second clamp; the inside of locating plate is equipped with fixed unit.

Preferably, the fixing unit includes a clamping groove; a clamping groove is formed in the positioning plate; a cavity is formed in the positioning plate; a locking block is connected inside the cavity in a sliding way; the side end of the locking piece is fixedly connected with a spring, and the other end of the spring is fixedly connected on the inner side wall of the cavity; a clamping block is fixedly connected to the bottom of the fixing plate; the inside of fixture block has seted up the locked groove.

Preferably, a rubber pad is fixedly connected to the bottom of the clamping block.

Preferably, a pull rod is fixedly connected to the side end of the locking block, and the pull rod is slidably connected to the cavity and the inside of the positioning plate; the side end of the pull rod is fixedly connected with a pull handle.

Preferably, the inner side wall of the connecting pipe is fixedly connected with a guide rod; the end part of the guide rod is fixedly connected with a positioning rod; the end part of the guide rod is splayed; the end of the locking piece is semi-arc-shaped.

The utility model has the advantages that:

1. according to the utility model, the connecting pipe is connected with the hot water pipe and the cold water pipe, the fixing rod is arranged on the wall body, the one-way valve body is placed in the first clamp, the second clamp is buckled, the one-way valve body is fixedly arranged in the first clamp through the fixing unit, and the problems that the traditional connection adopts a hanging mode, the joint is extruded and worn, and the loosening is caused are avoided.

2. When the second clamp is buckled, the fixing plate is driven to rotate towards the end part, so that the fixing plate drives the clamping block to be inserted into the clamping groove, the locking block is extruded, the locking block stretches into the cavity to extrude the spring to generate elastic force, and when the locking groove is aligned with the cavity, the spring generates elastic force to push the locking block to be inserted into the cavity to be clamped and fixed, and the fixing plate is fixed at the top of the positioning plate to fix the one-way valve body.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of a first embodiment;

FIG. 2 is a cross-sectional view of the first embodiment;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is an enlarged view of FIG. 1 at B;

fig. 5 is a schematic structural view of a wear pad according to a second embodiment.

In the figure: 1. a check valve body; 21. a connecting pipe; 22. a fixed rod; 23. a first clamp; 24. a second clamp; 25. a fixing plate; 26. a positioning plate; 31. a clamping groove; 32. a cavity; 33. a locking piece; 34. a spring; 35. a clamping block; 36. a locking groove; 4. a rubber pad; 51. a pull rod; 52. a pull handle; 61. a guide rod; 62. a positioning rod; 7. wear-resistant pad.

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.

Example 1

Referring to fig. 1-4, a check valve convenient to disassemble comprises a check valve body 1; connecting pipes 21 are fixedly connected to the two ends of the check valve body 1; the end part of the one-way valve body 1 is provided with a first clamp 23; the top of the first clamp 23 is hinged with a second clamp 24; a fixing rod 22 is fixedly connected to the side end of the first clamp 23; a positioning plate 26 is fixedly connected to the side end of the first clamp 23; a fixing plate 25 is fixedly connected to the side end of the second clamp 24; a fixing unit is arranged inside the positioning plate 26; during operation, when installing cross check valve, hot-water line is connected to one end, cold water pipe is connected to one end, in the installation, just hang in the bottom through screwing up interface department, long-time hanging process, can lead to the connector department of check valve tip to be in the extrusion for a long time and drag, the problem that the pine takes off appears in the junction, when installing connecting pipe 21 and check valve body 1, through connecting hot-water line and cold water pipe with connecting pipe 21, then install dead lever 22 on the wall body, place the inside of first anchor clamps 23 with check valve body 1, then lock second anchor clamps 24, fix through the fixed unit, with check valve body 1 fixed mounting in the inside of first anchor clamps 23, avoid traditional connection to adopt the suspension mode, cause junction extrusion wearing and tearing, cause the problem of pine.

The fixing unit comprises a clamping groove 31; a clamping groove 31 is formed in the positioning plate 26; a cavity 32 is formed in the positioning plate 26; a locking block 33 is connected inside the cavity 32 in a sliding manner; the side end of the locking piece 33 is fixedly connected with a spring 34, and the other end of the spring 34 is fixedly connected on the inner side wall of the cavity 32; a clamping block 35 is fixedly connected to the bottom of the fixed plate 25; a locking groove 36 is formed in the clamping block 35; when the check valve body 1 is in operation, the second clamp 24 is buckled to drive the fixing plate 25 to rotate towards the end part, so that the fixing plate 25 drives the clamping block 35 to be inserted into the clamping groove 31, the locking block 33 is extruded, the locking block 33 stretches into the cavity 32, the spring 34 is extruded to generate elastic force, when the locking groove 36 is aligned with the cavity 32, the spring 34 generates elastic force to push the locking block 33 to be inserted into the locking groove 36 for clamping and fixing, and the fixing plate 25 is fixed at the top of the positioning plate 26 to fix the check valve body 1.

The bottom of the clamping block 35 is fixedly connected with a rubber pad 4; during operation, through installing rubber pad 4, when fixture block 35 is inserting the inside of draw-in groove 31, extrudees the inside wall at draw-in groove 31 through rubber pad 4, deforms, avoids appearing the problem of joint.

A pull rod 51 is fixedly connected to the side end of the locking block 33, and the pull rod 51 is slidably connected to the cavity 32 and the inside of the positioning plate 26; a pull handle 52 is fixedly connected to the side end of the pull rod 51; during operation, when the check valve body 1 needs to be disassembled, the connecting pipe 21 is screwed and loosened from the end part of the water pipe, the pull rod 51 is driven to slide towards the side end by pulling the pull handle 52, the pull rod 51 pulls the locking piece 33 to stretch into the cavity 32, then the fixing plate 25 drives the clamping block 35 to be pulled out from the clamping groove 31, the check valve body 1 is taken out from the first clamp 23 to be disassembled, and the check valve body is convenient for maintenance by workers.

The inner side wall of the connecting pipe 21 is fixedly connected with a guide rod 61; a positioning rod 62 is fixedly connected to the end part of the guide rod 61; the end part of the guide rod 61 is splayed; the end part of the locking block 33 is semi-arc; in operation, the guide rod 61 and the positioning rod 62 are mounted at the end of the connecting pipe 21, and when the end of the connecting pipe 21 is screwed in the alignment of the water pipe, the positioning rod 62 is inserted into the water pipe to position the water pipe, so that the problem of non-tightening caused by the misalignment of the ports of the water pipe and the connecting pipe 21 is avoided.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present utility model, the end of the pull handle 52 is fixedly connected with the wear pad 7; in operation, the wear-resistant pad 7 is arranged at the end part of the pull handle 52 to increase the friction force between the pull handle 52 and the wear-resistant pad 7, so that the problem of hand slip when a user pulls the pull handle 52 is avoided.

Working principle: when the four-way check valve is installed, one end is connected with a hot water pipe, and the other end is connected with a cold water pipe, in the installation process, the joint is tightly screwed to be hung at the bottom, and when the joint at the end part of the check valve is extruded and pulled for a long time in the long-time hanging process, the joint is loose, when the connecting pipe 21 and the check valve body 1 are installed, the connecting pipe 21 is connected with the hot water pipe and the cold water pipe, then the fixing rod 22 is installed on a wall body, the check valve body 1 is placed in the first clamp 23, then the second clamp 24 is buckled, the fixing unit is used for fixing, the check valve body 1 is fixedly installed in the first clamp 23, and the problem that the joint is extruded and worn to be loose due to the fact that the traditional connection adopts a hanging mode is avoided; when the second clamp 24 is buckled, the fixing plate 25 is driven to rotate towards the end part, so that the fixing plate 25 drives the clamping block 35 to be inserted into the clamping groove 31, the locking block 33 is extruded, the locking block 33 stretches into the cavity 32, the spring 34 is extruded to generate elastic force, when the locking groove 36 is aligned with the cavity 32, the spring 34 generates elastic force to push the locking block 33 to be inserted into the locking groove 36 for clamping and fixing, and the fixing plate 25 is fixed at the top of the positioning plate 26 to fix the check valve body 1; by installing the rubber pad 4, when the clamping block 35 is inserted into the clamping groove 31, the inner side wall of the clamping groove 31 is extruded by the rubber pad 4 to deform, so that the clamping problem is avoided; when the check valve body 1 needs to be disassembled, the connecting pipe 21 is screwed and loosened from the end part of the water pipe, the pull rod 51 is driven to slide towards the side end by pulling the pull handle 52, so that the pull rod 51 pulls the locking block 33 to stretch into the cavity 32, then the fixing plate 25 drives the clamping block 35 to be pulled out from the clamping groove 31, and the check valve body 1 is taken out from the first clamp 23 to be disassembled, so that the check valve body is convenient for a worker to overhaul; by installing the guide rod 61 and the positioning rod 62 at the end of the connecting pipe 21, when the water pipe is screwed up with the end of the connecting pipe 21 aligned, the positioning rod 62 is inserted into the water pipe to position the water pipe, so that the problem of unscrewing caused by misalignment of the water pipe and the port of the connecting pipe 21 is avoided.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A one-way valve convenient to detach comprises a one-way valve body (1); connecting pipes (21) are fixedly connected to the two ends of the one-way valve body (1); the end part of the one-way valve body (1) is provided with a first clamp (23); a second clamp (24) is hinged to the top of the first clamp (23); the method is characterized in that: a fixed rod (22) is fixedly connected to the side end of the first clamp (23); a positioning plate (26) is fixedly connected to the side end of the first clamp (23); a fixing plate (25) is fixedly connected to the side end of the second clamp (24); the inside of the locating plate (26) is provided with a fixing unit.

2. The easy-to-detach check valve according to claim 1, wherein: the fixing unit comprises a clamping groove (31); a clamping groove (31) is formed in the positioning plate (26); a cavity (32) is formed in the positioning plate (26); a locking block (33) is connected inside the cavity (32) in a sliding way; the side end of the locking block (33) is fixedly connected with a spring (34), and the other end of the spring (34) is fixedly connected on the inner side wall of the cavity (32); a clamping block (35) is fixedly connected to the bottom of the fixed plate (25); the inside of the clamping block (35) is provided with a locking groove (36).

3. The easy-to-detach check valve according to claim 2, wherein: the bottom of the clamping block (35) is fixedly connected with a rubber pad (4).

4. A one-way valve for easy disassembly as defined in claim 3, wherein: a pull rod (51) is fixedly connected to the side end of the locking block (33), and the pull rod (51) is connected inside the cavity (32) and the positioning plate (26) in a sliding manner; the side end of the pull rod (51) is fixedly connected with a pull handle (52).

5. The easy-to-detach check valve of claim 4, wherein: the inner side wall of the connecting pipe (21) is fixedly connected with a guide rod (61); the end part of the guide rod (61) is fixedly connected with a positioning rod (62).

6. The easy-to-detach check valve of claim 5, wherein: the end part of the guide rod (61) is splayed; the end part of the locking piece (33) is semi-arc-shaped.