阅读说明：本技术 一种高压泵气动旁通阀 (Pneumatic bypass valve of high-pressure pump ) 是由 朱晓红 于 2020-06-01 设计创作，主要内容包括：本发明属于旁通阀技术领域,尤其为一种高压泵气动旁通阀,包括阀体,所述阀体的顶部开设有圆槽,所述阀体上设有阀套,所述阀套的底部开设有环形槽,所述阀体和环形槽滑动连接,所述圆槽的内壁上开设有四个呈环形排列的进液孔,所述圆槽内滑动安装有阀芯,所述阀芯的顶部和阀体的底部焊接固定在一起,所述阀芯的顶部开设有凹槽,所述凹槽的内壁上开设有四个呈环形排列的导液孔,所述阀体上开设有多个呈环形排列的排液孔,多个排液孔均和凹槽相连通,所述圆槽的底部内壁上焊接固定有两个伸缩杆。本发明实用性高,可以及时便捷的排出高压泵内的水分,减少了高压泵的故障率。(The invention belongs to the technical field of bypass valves, and particularly relates to a pneumatic bypass valve of a high-pressure pump, which comprises a valve body, wherein a circular groove is formed in the top of the valve body, a valve sleeve is arranged on the valve body, a circular groove is formed in the bottom of the valve sleeve, the valve body is connected with the circular groove in a sliding mode, four annularly-arranged liquid inlet holes are formed in the inner wall of the circular groove, a valve core is arranged in the circular groove in a sliding mode, the top of the valve core and the bottom of the valve body are fixedly welded together, a groove is formed in the top of the valve core, four annularly-arranged liquid guide holes are formed in the inner wall of the groove, a plurality of annularly-arranged liquid outlet holes are formed in the valve body and are communicated with the groove, and two telescopic rods are fixedly welded on the inner wall of the bottom of the circular groove. The high-pressure pump water draining device is high in practicability, can timely and conveniently drain water in the high-pressure pump, and reduces the fault rate of the high-pressure pump.)

1. The utility model provides a high-pressure pump pneumatic bypass valve, includes valve body (1), its characterized in that: the improved valve is characterized in that a circular groove (2) is formed in the top of the valve body (1), a valve sleeve (3) is arranged on the valve body (1), an annular groove (4) is formed in the bottom of the valve sleeve (3), the valve body (1) is in sliding connection with the annular groove (4), four liquid inlet holes (5) which are annularly arranged are formed in the inner wall of the circular groove (2), a valve core (6) is arranged in the circular groove (2) in a sliding mode, the top of the valve core (6) is fixedly connected with the bottom of the valve body (1), a groove (7) is formed in the top of the valve core (6), four liquid guide holes (8) which are annularly arranged are formed in the inner wall of the groove (7), a plurality of liquid discharge holes (9) which are annularly arranged are formed in the valve body (1), the plurality of liquid discharge holes (9) are communicated with the groove (7), and two telescopic rods (10) are fixedly arranged on the inner wall of the bottom of the circular groove (2), the top of two telescopic links (10) all with the bottom fixed connection of case (6), fixed mounting has two springs (11) on the bottom inner wall of circular slot (2), the top of two springs (11) all with the bottom fixed connection of case (6), two springs (11) slip the cover respectively and establish on corresponding telescopic link (10).

2. A high pressure pump pneumatic bypass valve according to claim 1, characterized in that: the outer wall of the valve body (1) is provided with external threads.

3. A high pressure pump pneumatic bypass valve according to claim 1, characterized in that: two corrugated pipes are fixedly installed on the inner wall of the bottom of the circular groove (2), the top ends of the two corrugated pipes are fixedly connected with the bottom of the valve core (6), and the two corrugated pipes are respectively sleeved on the corresponding springs (11) in a sliding mode.

4. A high pressure pump pneumatic bypass valve according to claim 1, characterized in that: two annular grooves are formed in the valve core (6), sealing rings are arranged in the two annular grooves, and the two sealing rings are connected with the inner wall of the circular groove (2) in a sliding mode.

5. A high pressure pump pneumatic bypass valve according to claim 1, characterized in that: the stiffness coefficient of the spring (11) is 50N/m.

6. A high pressure pump pneumatic bypass valve according to claim 1, characterized in that: and a dust screen is fixedly arranged in the liquid inlet hole (5).

Technical Field

The invention relates to the technical field of bypass valves, in particular to a pneumatic bypass valve of a 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, and can also be used for assisting in breaking rock and breaking coal by using high-pressure water jet, supplying liquid by using an underground hydraulic support, anchoring a water conservancy expansion metal anchor rod to pump high-pressure water, dredging and cleaning underground large-scale pipelines and the like.

However, after the high-pressure pump is used for a long time, water may be filled into the high-pressure pump, and if the water in the pump body is not discharged in time, the high-pressure pump may be burnt out, and therefore, a high-pressure pump pneumatic bypass valve is provided.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a high-pressure pump pneumatic bypass valve.

In order to achieve the purpose, the invention adopts the following technical scheme: a high-pressure pump pneumatic bypass valve comprises a valve body, wherein a circular groove is formed in the top of the valve body, a valve sleeve is arranged on the valve body, an annular groove is formed in the bottom of the valve sleeve, the valve body is in sliding connection with the annular groove, four annularly-arranged liquid inlet holes are formed in the inner wall of the circular groove, a valve core is slidably mounted in the circular groove, the top of the valve core and the bottom of the valve body are welded and fixed together, a groove is formed in the top of the valve core, four annularly-arranged liquid guide holes are formed in the inner wall of the groove, a plurality of annularly-arranged liquid discharge holes are formed in the valve body and communicated with the groove, two telescopic rods are welded and fixed on the inner wall of the bottom of the circular groove, the top ends of the two telescopic rods and the bottom of the valve core are welded and fixed together, two springs are welded and fixed on the inner wall of the bottom of the circular groove, and the top ends of the two springs and the bottom of the valve core are welded and fixed together, the two springs are respectively sleeved on the corresponding telescopic rods in a sliding manner.

Preferably, the outer wall of the valve body is provided with an external thread.

Preferably, two corrugated pipes are fixedly adhered to the inner wall of the bottom of the circular groove, the top ends of the two corrugated pipes are fixedly adhered to the bottom of the valve core, and the two corrugated pipes are respectively sleeved on the corresponding springs in a sliding manner.

Preferably, two annular grooves are formed in the valve core, sealing rings are arranged in the two annular grooves, and the two sealing rings are connected with the inner wall of the circular groove in a sliding mode.

Preferably, the stiffness coefficient of the spring is 50N/m.

Preferably, a dust screen is welded and fixed in the liquid inlet hole.

Compared with the prior art, the invention has the beneficial effects that: when moisture in the discharge high-pressure pump, only need press the valve barrel toward the direction of valve body, the valve barrel then can drive a plurality of drain holes on the case and the feed liquor hole on the valve body and be linked together to water in the pump body then can follow the feed liquor downthehole with lead the liquid hole and enter into in the recess and discharge from a plurality of outage at last, after discharging this internal moisture to the greatest extent, loosen the valve barrel, two springs are promoting that lead the liquid hole on the case and the feed liquor hole on the valve body stagger, therefore make the inside and the outside of the pump body completely cut off.

The high-pressure pump water draining device is high in practicability, can timely and conveniently drain water in the high-pressure pump, and reduces the fault rate of the high-pressure pump.

Drawings

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

FIG. 2 is a front cross-sectional structural view of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

in the figure: 1. a valve body; 2. a circular groove; 3. a valve housing; 4. an annular groove; 5. a liquid inlet hole; 6. a valve core; 7. a groove; 8. a drain hole; 9. a drain hole; 10. a telescopic rod; 11. a spring.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a high-pressure pump pneumatic bypass valve comprises a valve body 1, the top of the valve body 1 is provided with a circular groove 2, the valve body 1 is provided with a valve sleeve 3, the bottom of the valve sleeve 3 is provided with a circular groove 4, the valve body 1 is in sliding connection with the circular groove 4, the inner wall of the circular groove 2 is provided with four liquid inlet holes 5 which are arranged in an annular shape, a valve core 6 is arranged in the circular groove 2 in a sliding way, the top of the valve core 6 is welded and fixed with the bottom of the valve body 1, the top of the valve core 6 is provided with a groove 7, the inner wall of the groove 7 is provided with four liquid guide holes 8 which are arranged in an annular shape, the valve body 1 is provided with a plurality of liquid outlet holes 9 which are arranged in an annular shape, the plurality of liquid outlet holes 9 are all communicated with the groove 7, the inner wall of the bottom of the circular groove 2 is welded and fixed with two telescopic rods 10, the top ends of the two telescopic rods 10 are welded and fixed with the bottom of the valve core 6, the inner wall of the bottom of the circular groove 2 is welded and fixed with two springs 11, the top ends of the two springs 11 are welded and fixed with the bottom of the valve core 6, and the two springs 11 are respectively sleeved on the corresponding telescopic rods 10 in a sliding manner;

the outer wall of the valve body 1 is provided with external threads, the inner wall of the bottom of the circular groove 2 is fixedly adhered with two corrugated pipes, the top ends of the two corrugated pipes are fixedly adhered with the bottom of the valve core 6, the two corrugated pipes are respectively sleeved on the corresponding springs 11 in a sliding way, the valve core 6 is provided with two annular grooves, the two annular grooves are respectively provided with a sealing ring, the two sealing rings are respectively connected with the inner wall of the circular groove 2 in a sliding way, the stiffness coefficient of the springs 11 is 50N/m, a dustproof net is fixedly welded in the liquid inlet hole 5, when discharging water in the high-pressure pump, only the valve sleeve 3 is required to be pressed towards the direction of the valve body 1, the valve sleeve 3 can drive the liquid guide holes 8 on the valve core 6 to be communicated with the liquid inlet hole 5 on the valve body 1, so that water in the pump body can enter the groove 7 from the liquid guide holes 5 and finally be discharged from the liquid discharge holes 9, and after the water in the pump body is discharged to the greatest extent, the valve sleeve 3 is loosened, and the two springs 11 push the liquid guide hole 8 on the valve core 6 and the liquid inlet hole 5 on the valve body 1 to be staggered, so that the inside and the outside of the pump body are isolated.

The working principle is as follows: when discharging the moisture in the high-pressure pump, only need press valve barrel 3 toward the direction of valve body 1, valve barrel 3 then can drive a plurality of drain holes 8 on case 6 and feed liquor hole 5 on the valve body 1 and be linked together, thus the water in the pump body then can enter into recess 7 and discharge from a plurality of discharge ports 9 finally from feed liquor hole 5 and drain hole 8, after exhausting the moisture in the body, unclamp valve barrel 3, two springs 11 are promoting drain hole 8 on case 6 and feed liquor hole 5 on the valve body 1 to stagger, thus make the inside and outside of the pump body isolated and open, the invention has high practicability, can discharge the moisture in the high-pressure pump in time conveniently, have reduced the fault rate of the high-pressure pump.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.