CN220378938U

CN220378938U - Manual reversing valve for HPV pump

Info

Publication number: CN220378938U
Application number: CN202320989843.3U
Authority: CN
Inventors: 冯先峰
Original assignee: Shandong Lande Hydraulic Seiko Co ltd
Current assignee: Shandong Lande Hydraulic Seiko Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2024-01-23
Anticipated expiration: 2033-04-23

Abstract

The utility model relates to the technical field of reversing valve equipment, and provides a manual reversing valve for an HPV pump, which comprises a shell with a cavity, wherein a steering valve core and a supporting rod are arranged in the shell in parallel, a pull rod is connected between the steering valve core and the supporting rod, a driving device for driving the pull rod and pushing the steering valve core to slide is also arranged on the shell, the driving device comprises a main shaft rotatably penetrating through the shell, one end of the main shaft extends out of the shell and is connected with a handle, a platform is sleeved on the handle, and the platform is hinged with the pull rod hinged with the steering valve core. Through platform and bull stick that set up, twist grip can bull stick drive pull rod to when realizing that the drive turns to the case and sliding in the casing, can not cause the bull stick to collide with turning to the conflict of case, increase the stroke of switching-over case.

Description

Manual reversing valve for HPV pump

Technical Field

The utility model relates to the technical field of reversing valve equipment, in particular to a manual reversing valve for a closed pump (HPV pump).

Background

The existing manual reversing valve is characterized in that an extension rod is connected to a crank structure, a reversing valve core is hinged to the extension rod, and the reversing valve core is driven through rotation of the crank structure, so that reversing effect is achieved, but when the crank structure rotates in a crank structure and extension rod mode, the extension rod connected to the crank structure collides with the reversing valve core, and only the reversing valve core can be driven in a short stroke.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a manual reversing valve for a closed pump (HPV pump), which overcomes the defects of the prior art, has reasonable design and compact structure and solves the problems in the background art.

Technical proposal

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the manual reversing valve for the closed pump (HPV) comprises a shell with a cavity, wherein a steering valve core and a supporting rod are arranged in the shell in parallel, a pull rod is connected between the steering valve core and the supporting rod, a driving device for driving the pull rod and pushing the steering valve core to slide is further arranged on the shell, the driving device comprises a main shaft rotatably penetrating through the shell, one end of the main shaft extends out of the shell and is connected with a handle, a platform is sleeved on the handle, and the platform is hinged with the pull rod hinged with the steering valve core.

Preferably, the driving device further comprises a rotating rod, one end of the rotating rod is hinged to the platform, and the other end of the rotating rod is hinged to the pull rod.

Preferably, a first lantern ring and a second lantern ring are further installed in the cavity of the shell, and the first lantern ring and the second lantern ring are sleeved on the main shaft through bearings to enable the main shaft to rotate.

Preferably, the shell is also provided with a first oil outlet, a second oil outlet and an oil inlet, and the first oil outlet, the second oil outlet and the oil inlet are all communicated in a slideway of the steering valve core to form a one-position two-way structure.

Preferably, the shell is further provided with an oil return port, and the oil return port extends into the cavity of the shell.

The embodiment of the utility model provides a manual reversing valve for a closed pump (HPV pump). The beneficial effects are as follows:

through platform and bull stick that set up, twist grip can bull stick drive pull rod to when realizing that the drive turns to the case and sliding in the casing, can not cause the bull stick to collide with turning to the conflict of case, increase the stroke of switching-over case.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a schematic front view of FIG. 1;

FIG. 3 is a schematic view of the partial structure of FIG. 1;

FIG. 4 is a schematic diagram of the driving apparatus of FIG. 1;

fig. 5 is a right side view of fig. 4.

In the figure: 1. a housing; 11. a first oil outlet; 12. a second oil outlet; 13. an oil inlet; 14. an oil return port; 15. a first collar; 16. a second collar; 2. a steering valve core; 3. a support rod; 4. a driving device; 41. a main shaft; 42. a platform; 43. a rotating rod; 44. a handle; 5. and (5) a pull rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. 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.

Referring to fig. 1-5, a manual reversing valve for a closed pump (HPV pump) comprises a housing (1) with a chamber, the device is directly connected with an oil tank, oil is filled in the whole housing, a steering valve core (2) and a supporting rod (3) are arranged in the housing (1) in parallel, the steering valve core (2) slides in the housing (1) and forms a slideway for accommodating the steering valve core (2), and the supporting rod (3) is fixed in the chamber of the housing (1);

the driving device (4) is further arranged in the shell (1), the driving device (4) comprises a main shaft (41) which is inserted into the shell (1), the main shaft (41) extends into a cavity of the shell (1), the inner side end of the main shaft (41) is limited by a first lantern ring (15) and a second lantern ring (16) which are arranged in the cavity of the shell (1), bearings are sleeved in the first lantern ring (15) and the second lantern ring (16) to facilitate the rotation of the main shaft (41), a handle (44) is fixedly sleeved at the outer side end of the main shaft (41), a platform (42) is fixedly sleeved at the middle part of the main shaft (41), a rotating rod (43) is hinged at the outer side part of the platform (42), a pull rod (5) is hinged at the end part of the rotating rod (43), a groove is formed in the position of a supporting rod (3) in the cavity of the shell (1), the groove is internally provided with a pull rod (5), the end part of the pull rod (5) is a round piece which is convenient to swing in the groove, a pin shaft is connected with one end part of the steering valve core (2), the main shaft (41) rotates through the handle (44), the rotating platform (42) is pushed by the handle (42), the rotating rod (43) at this moment, the rotating rod (2) is pulled by the rotating rod (2) and slides towards one side of the rotating rod (2) at the end part of the rotating rod (1), thereby effecting commutation of the housing (1).

In this embodiment, a pair of sealing rings has been cup jointed on turning to case (2), sealing rings and the slide that turns to case (2) form airtight ring chamber, first oil-out (11) have still been seted up on casing (1), second oil-out (12), oil inlet (13), first oil-out (11), second oil-out (12) are located the both sides of (21) ring chamber and with the slide intercommunication that turns to case (2), oil inlet (13) are located second oil-out (12) and with the slide intercommunication that turns to case (2), first oil-out (11), second oil-out (12), oil inlet (13) and turn to case (2) form "one-bit two-way" structure.

In this embodiment, the casing (1) is further provided with an oil return port (14), and the oil return port (14) extends into the cavity of the casing (1).

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The manual reversing valve for the HPV pump comprises a shell (1) with a cavity, wherein a steering valve core (2) and a supporting rod (3) are arranged in the shell (1) in parallel, and a pull rod (5) is connected between the steering valve core (2) and the supporting rod (3);

the method is characterized in that: the shell (1) is also provided with a driving device (4) for driving the pull rod (5) and pushing the steering valve core (2) to slide;

the driving device (4) comprises a main shaft (41) rotatably penetrating through the shell (1), one end of the main shaft (41) extends out of the shell (1) and is connected with a handle (44), a platform (42) is sleeved on the handle (44), and a pull rod (5) hinged with the steering valve core (2) is hinged on the platform (42).

2. A manual diverter valve for an HPV pump as in claim 1, wherein: the driving device (4) further comprises a rotating rod (43), one end of the rotating rod (43) is hinged to the platform (42), and the other end of the rotating rod (43) is hinged to the pull rod (5).

3. A manual diverter valve for an HPV pump as in claim 1, wherein: a first lantern ring (15) and a second lantern ring (16) are further arranged in the cavity of the shell (1), and the first lantern ring (15) and the second lantern ring (16) are sleeved with a main shaft (41) through bearings to enable the main shaft to rotate.

4. A manual diverter valve for an HPV pump as in claim 1, wherein: the shell (1) is also provided with a first oil outlet (11), a second oil outlet (12) and an oil inlet (13), and the first oil outlet (11), the second oil outlet (12) and the oil inlet (13) are all communicated in a slideway of the steering valve core (2) to form a one-position two-way structure.

5. A manual diverter valve for an HPV pump as in claim 1, wherein: an oil return port (14) is further formed in the shell (1), and the oil return port (14) extends into the cavity of the shell (1).