CN214404827U - Overflow valve for high-pressure pump - Google Patents

Abstract

The utility model discloses an overflow valve for high-pressure pump, which comprises a valve body, valve body inner chamber bottom is provided with the piston, piston top central point puts and is connected with the spring, valve body bottom one side through connection has first overflow mouth, second overflow mouth and third overflow mouth, one side that first overflow mouth was kept away from to the valve body inner chamber is provided with pressure sensor, fixed controller and the bee calling organ of being provided with of one end of first overflow mouth are kept away from to the valve body, pressure sensor output and controller input electric connection, controller output and bee calling organ input electric connection. The utility model discloses a pressure release is realized to first overflow mouth, second overflow mouth and third overflow mouth, and the pressure release effect is better, when the piston remove to with pressure sensor contact, bee calling organ makes a sound and realizes reporting to the police, reminds the staff, avoids the high-pressure pump internal pressure to continue the increase and leads to the high-pressure pump damage to the realization is protected the high-pressure pump.

Description

Overflow valve for high-pressure pump

Technical Field

The utility model relates to an overflow valve technical field, concretely relates to overflow valve for high-pressure pump.

Background

The high-pressure pump is a device for providing high-pressure power for high-pressure rotary spraying cement slurry, is used for strengthening and reinforcing foundations of buildings, roads and the like, can also be used for assisting in breaking rock and dropping coal by high-pressure water jet, supplies liquid to an underground hydraulic prop, is anchored with a water conservancy expansion metal anchor rod for pumping high-pressure water, dredging, cleaning and the like for an underground large pipeline, is generally provided with an overflow valve for protecting the high-pressure pump, is a hydraulic pressure control valve, and mainly plays roles in constant-pressure overflow, pressure stabilization, system unloading and safety protection in hydraulic equipment.

The prior art has the following defects: the overflow valve for the existing high-pressure pump has a single structure, and can still damage the high-pressure pump when the pressure relief port cannot realize sufficient pressure relief.

The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims at providing an overflow valve for high-pressure pump realizes the pressure release through first overflow mouth, second overflow mouth and third overflow mouth, and the pressure release effect is better, when the piston remove to with pressure sensor contact, bee calling organ makes a sound and realizes reporting to the police, reminds the staff, avoids the high-pressure pump internal pressure to continue the increase and leads to the high-pressure pump to destroy to the realization is protected the high-pressure pump, with the problem among the above-mentioned background art of solution.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an overflow valve for high pressure pump, includes the valve body, valve body inner chamber bottom is provided with the piston, piston top central point puts and is connected with the spring, valve body bottom one side through connection has first overflow mouth, second overflow mouth and third overflow mouth, one side that first overflow mouth was kept away from to the valve body inner chamber is provided with pressure sensor, the fixed controller and the bee calling organ that are provided with of one end that first overflow mouth was kept away from to the valve body, pressure sensor output and controller input electric connection, controller output and bee calling organ input electric connection.

Preferably, a storage battery is fixedly arranged at one end, far away from the first overflow port, of the valve body, and the storage battery is communicated with the controller through a conducting wire.

Preferably, the inner wall of one side of the valve body, which is far away from the first overflow port, is connected with a fixed block, and the pressure sensor is connected to the bottom of the fixed block.

Preferably, the first overflow port is arranged at the bottom of the second overflow port, and the second overflow port is arranged at the bottom of the third overflow port.

Preferably, the top of the inner cavity of the valve body is provided with a movable plate, the top of the movable plate is connected with a sleeve, the center of the top of the valve body is provided with a rotating rod in a penetrating mode, the rotating rod is connected with the valve body in a sealing and rotating mode through a sealing bearing, the inner wall of the sleeve is fixedly provided with an internal thread, the bottom of the outer peripheral surface of the rotating rod is fixedly provided with an external thread, the rotating rod is connected with the sleeve in a threaded mode, and the top of the rotating rod is connected with a rotating wheel.

Preferably, the outer peripheral surface of the piston is fixedly provided with a sealing ring, and the piston is movably connected with the inner wall of the valve body in a sealing manner through the sealing ring.

Preferably, the bottom of the valve body is connected with a connecting ring, and the outer peripheral surface of the connecting ring is fixedly provided with an external thread.

In the technical scheme, the utility model provides a technological effect and advantage:

when the pressure in the high-pressure pump is increased, the piston starts to move upwards, the spring is compressed, when the piston moves to the top of the first overflow port, the pressure relief is realized through the first overflow port, when the piston moves to the top of the second overflow port, the pressure relief is realized through the first overflow port and the second overflow port at the same time, when the piston moves to the top of the third overflow port, the pressure relief is realized through the first overflow port, the second overflow port and the third overflow port at the same time, the pressure relief is realized through the first overflow port, the second overflow port and the third overflow port by the valve body, the pressure relief effect is better, when the pressure in the high-pressure pump is continuously increased, the piston continues to move upwards, when the piston moves to be in contact with the pressure sensor, the physical signal is transmitted to the controller by the pressure sensor, the signal is transmitted to the buzzer, and the alarm is realized by the sound, reminding workers, avoiding the damage of the high-pressure pump caused by the continuous increase of the pressure in the high-pressure pump, and realizing the protection of the high-pressure pump.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the piston of the present invention moving to the top of the second overflow port.

Fig. 3 is a schematic diagram of the contact between the piston and the pressure sensor according to the present invention.

Fig. 4 is the debugging schematic diagram of the internal pressure of the valve body of the present invention.

Fig. 5 is a schematic view of a partial structure of the piston and the sealing ring according to the present invention.

Description of reference numerals:

1. a valve body; 2. a piston; 3. a spring; 4. a first overflow port; 5. a second overflow port; 6. a third overflow port; 7. a pressure sensor; 8. a controller; 9. a buzzer; 10. a storage battery; 11. a movable plate; 12. a sleeve; 13. a rotating rod; 14. a seal ring; 15. and (7) connecting rings.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

The utility model provides an overflow valve for high pressure pump as shown in fig. 1-5, including valve body 1, 1 inner chamber bottom of valve body is provided with piston 2, 2 top central points of piston put and are connected with spring 3, 1 bottom one side through connection of valve body has first overflow mouth 4, second overflow mouth 5 and third overflow mouth 6, one side that first overflow mouth 4 was kept away from to 1 inner chamber of valve body is provided with pressure sensor 7, 1 one end of keeping away from first overflow mouth 4 of valve body is fixed and is provided with controller 8 and bee calling organ 9, 7 output of pressure sensor and 8 input electric connection of controller, 8 outputs of controller and bee calling organ 9 input electric connection.

Further, in the above technical scheme, a storage battery 10 is fixedly arranged at one end of the valve body 1 far away from the first overflow port 4, and the storage battery 10 is communicated with the controller 8 through a conducting wire, so that power supply to the controller 8 is realized.

Further, in the above technical scheme, a fixed block is connected to the inner wall of one side of the valve body 1, which is far away from the first overflow port 4, and the pressure sensor 7 is connected to the bottom of the fixed block.

Further, in the above technical solution, the first overflow port 4 is disposed at the bottom of the second overflow port 5, and the second overflow port 5 is disposed at the bottom of the third overflow port 6.

Further, in above-mentioned technical scheme, 1 inner chamber top of valve body is provided with fly leaf 11, fly leaf 11 top is connected with sleeve 12, 1 top central point of valve body puts and runs through and is provided with bull stick 13, bull stick 13 passes through sealed bearing and is connected with 1 sealed rotation of valve body, the fixed internal thread that is provided with in sleeve 12 inner wall, the fixed external screw thread that is provided with in bull stick 13 outer peripheral face bottom, bull stick 13 threaded connection is in sleeve 12, bull stick 13 top is connected with the runner, rotates the runner and drives bull stick 13 and rotate, because bull stick 13 threaded connection is in sleeve 12, drives sleeve 12 and fly leaf 11 when bull stick 13 rotates and removes, and then drives spring 3 compression, extension to the realization is debugged 1 internal pressure of valve body.

Further, in the above technical solution, a sealing ring 14 is fixedly arranged on the outer circumferential surface of the piston 2, and the piston 2 is movably connected with the inner wall of the valve body 1 in a sealing manner through the sealing ring 14.

Further, in the above technical scheme, the bottom of the valve body 1 is connected with a connecting ring 15, and an external thread is fixedly arranged on the outer peripheral surface of the connecting ring 15, so that the valve body 1 can be conveniently connected to a pipeline.

The implementation mode is specifically as follows: when the high-pressure pump is actually used, the valve body 1 is in threaded connection with the high-pressure pump through the connecting ring 15, when the pressure in the high-pressure pump is increased, the piston 2 starts to move upwards, the spring 3 is compressed, when the piston 2 moves to the top of the first overflow port 4, pressure relief is realized through the first overflow port 4 at the moment, when the pressure in the high-pressure pump continues to be increased, the piston 2 continues to move upwards, the spring 3 continues to be compressed, when the piston 2 moves to the top of the second overflow port 5, pressure relief is realized through the first overflow port 4 and the second overflow port 5 at the moment, as the pressure in the high-pressure pump continues to be increased, the piston 2 continues to move upwards, the spring 3 continues to be compressed, when the piston 2 moves to the top of the third overflow port 6, pressure relief is realized through the first overflow port 4, the second overflow port 5 and the third overflow port 6 at the moment, and the valve body 1 realizes pressure relief through the first overflow port 4, the second overflow port 5 and the third overflow port 6, pressure release effect is better, when pressure in the high-pressure pump continues the increase, piston 2 continues the rebound this moment, when piston 2 moves to contact with pressure sensor 7, pressure sensor 7 transmits physical signal to controller 8 this moment, controller 8 is with signal transmission to bee calling organ 9, bee calling organ 9 makes a sound and realizes reporting to the police, remind the staff, avoid the high-pressure pump internal pressure to continue the increase and lead to the high-pressure pump damage, thereby realize protecting the high-pressure pump, this embodiment has specifically solved the overflow valve single structure for current high-pressure pump that exists among the prior art, when the pressure release mouth can not realize abundant pressure release, still can cause the problem of damage to the high-pressure pump.

This practical theory of operation: realize the pressure release through first overflow mouth 4, second overflow mouth 5 and third overflow mouth 6, the pressure release effect is better, when piston 2 remove to 7 contacts with pressure sensor, the warning is realized to buzzer 9 sounding, reminds the staff, avoids the high-pressure pump internal pressure to continue the increase and lead to the high-pressure pump damage to the realization is protected the high-pressure pump.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (7)

1. The utility model provides an overflow valve for high-pressure pump, includes valve body (1), its characterized in that: valve body (1) inner chamber bottom is provided with piston (2), piston (2) top central point puts and is connected with spring (3), valve body (1) bottom one side through connection has first overflow mouth (4), second overflow mouth (5) and third overflow mouth (6), one side that first overflow mouth (4) were kept away from to valve body (1) inner chamber is provided with pressure sensor (7), the one end that first overflow mouth (4) were kept away from in valve body (1) is fixed and is provided with controller (8) and bee calling organ (9), pressure sensor (7) output and controller (8) input electric connection, controller (8) output and bee calling organ (9) input electric connection.

2. The relief valve for a high-pressure pump according to claim 1, characterized in that: and a storage battery (10) is fixedly arranged at one end, far away from the first overflow port (4), of the valve body (1), and the storage battery (10) is communicated with the controller (8) through a conducting wire.

3. The relief valve for a high-pressure pump according to claim 1, characterized in that: the inner wall of one side of the valve body (1) far away from the first overflow port (4) is connected with a fixed block, and the pressure sensor (7) is connected to the bottom of the fixed block.

4. The relief valve for a high-pressure pump according to claim 1, characterized in that: the first overflow port (4) is arranged at the bottom of the second overflow port (5), and the second overflow port (5) is arranged at the bottom of the third overflow port (6).

5. The relief valve for a high-pressure pump according to claim 1, characterized in that: the improved rotary valve is characterized in that a movable plate (11) is arranged at the top of an inner cavity of the valve body (1), a sleeve (12) is connected to the top of the movable plate (11), a rotating rod (13) penetrates through the center of the top of the valve body (1), the rotating rod (13) is connected with the valve body (1) in a sealing and rotating mode through a sealing bearing, an internal thread is fixedly arranged on the inner wall of the sleeve (12), an external thread is fixedly arranged at the bottom of the outer peripheral surface of the rotating rod (13), the rotating rod (13) is in threaded connection with the sleeve (12), and a rotating wheel is connected to the top of the rotating rod (13).

6. The relief valve for a high-pressure pump according to claim 1, characterized in that: the outer peripheral surface of the piston (2) is fixedly provided with a sealing ring (14), and the piston (2) is movably connected with the inner wall of the valve body (1) in a sealing manner through the sealing ring (14).

7. The relief valve for a high-pressure pump according to claim 1, characterized in that: the valve body (1) bottom is connected with connecting ring (15), the outer peripheral face of connecting ring (15) is fixed and is provided with the external screw thread.

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