CN220791476U

CN220791476U - Anti-leakage structure of reciprocating low-temperature liquid pump

Info

Publication number: CN220791476U
Application number: CN202322703983.2U
Authority: CN
Inventors: 李文吉; 李文斌; 黄水木
Original assignee: Hangzhou Huantian Branch Equipment Co ltd
Current assignee: Hangzhou Huantian Branch Equipment Co ltd
Priority date: 2023-10-09
Filing date: 2023-10-09
Publication date: 2024-04-16
Anticipated expiration: 2033-10-09

Abstract

The utility model discloses a reciprocating type low-temperature liquid pump leakage-proof structure, which comprises a driving box and a hydraulic pump, wherein connecting pipes are fixedly communicated with one sides of the driving box and the hydraulic pump, which are close to each other, through holes are formed in one sides of the two connecting pipes, which are close to each other, the two through holes are movably connected through a supporting frame, and first sealing rings are fixedly connected with the left side and the right side of the surface of the supporting frame. According to the utility model, the driving box, the hydraulic pump, the connecting pipe, the through hole, the supporting frame, the first sealing ring, the sealing baffle, the bolt, the second sealing ring and the annular sealing groove are mutually matched, so that the effect of good leakage prevention effect is achieved, gas can be prevented from leaking out from two sides of the supporting frame through double sealing effect, and the use effect of the reciprocating low-temperature liquid pump is greatly improved.

Description

Anti-leakage structure of reciprocating low-temperature liquid pump

Technical Field

The utility model relates to the technical field of reciprocating low-temperature liquid pumps, in particular to a leakage-proof structure of a reciprocating low-temperature liquid pump.

Background

The reciprocating cryogenic liquid pump is based on the principle that the rotary motion of a motor is converted into reciprocating motion of a piston, and the cryogenic liquid is pressurized and discharged through the action of the piston. The piston seals of the existing reciprocating low-temperature liquid pump are all mechanical packing seals, and as the piston rod needs to reciprocate in the packing, low-temperature gas leakage always exists at the gap between the packing and the piston rod when the low-temperature pump works. The reciprocating low-temperature pump body is fixed with the transmission case by a supporting frame. All support frames are now open windows on both sides. Therefore, the gas leaked from the filler is easily discharged to the site environment through both sides of the supporting frame to cause environmental pollution, and for this reason, we propose a reciprocating type low temperature liquid pump leakage preventing structure.

Disclosure of utility model

The utility model aims to provide a leakage-proof structure of a reciprocating low-temperature liquid pump, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a reciprocating type cryogenic liquid pump leak protection structure, includes drive case and hydraulic pump, the equal fixed intercommunication in one side that drive case and hydraulic pump are close to each other has the connecting pipe, two the opening has all been seted up to one side that the connecting pipe is close to each other, two through support frame swing joint between the opening, the equal fixedly connected with first sealing washer in the left and right sides on support frame surface.

Further, sealing baffles are fixedly sleeved at the left side and the right side of the surface of the support frame and positioned between the two connecting pipes, and the sealing baffles are fixedly connected with the connecting pipes through bolts.

Further, one side of sealing baffle near the connecting pipe fixedly connected with second sealing washer, the connecting pipe is close to support frame one side and has seted up annular seal groove corresponding to the position of second sealing washer, one side that the second sealing washer is close to annular seal groove runs through annular seal groove and extends to annular seal groove's inside.

Further, the second sealing ring is movably clamped with the annular sealing groove.

Further, one side of the sealing baffle, which is close to the connecting pipe, is movably contacted with the connecting pipe.

Further, the surface of the first sealing ring is movably abutted against the inner wall of the through hole.

Further, the second seal ring is made of rubber.

Compared with the prior art, the utility model has the following beneficial effects:

According to the utility model, the driving box, the hydraulic pump, the connecting pipe, the through hole, the supporting frame, the first sealing ring, the sealing baffle, the bolt, the second sealing ring and the annular sealing groove are mutually matched, so that the effect of good leakage prevention effect is achieved, gas can be prevented from leaking out from two sides of the supporting frame through double sealing effect, and the use effect of the reciprocating low-temperature liquid pump is greatly improved.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of the structure of the sealing baffle plate of the present utility model;

FIG. 3 is a schematic view of a first seal ring according to the present utility model;

fig. 4 is a schematic diagram of an assembly structure of the connecting pipe and the supporting frame of the present utility model.

In the figure: 1. a drive box; 2. a hydraulic pump; 3. a connecting pipe; 4. a through port; 5. a support frame; 6. a first seal ring; 7. a sealing baffle; 8. a bolt; 9. a second seal ring; 10. and an annular sealing groove.

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.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, a leak-proof structure of a reciprocating cryogenic liquid pump includes a driving box 1 and a hydraulic pump 2, wherein, one side of the driving box 1 and the hydraulic pump 2 close to each other is fixedly communicated with a connecting pipe 3, one side of the two connecting pipes 3 close to each other is provided with a through hole 4, and in addition, the two through holes 4 are movably connected through a supporting frame 5, and in addition, the left side and the right side of the surface of the supporting frame 5 are fixedly connected with a first sealing ring 6.

Specifically, the left and right sides of the surface of the support frame 5 and the positions between the two connecting pipes 3 are fixedly sleeved with sealing baffles 7, and in addition, the sealing baffles 7 are fixedly connected with the connecting pipes 3 through bolts 8.

In the concrete implementation, a second sealing ring 9 is fixedly connected to one side of the sealing baffle 7, which is close to the connecting pipe 3, and an annular sealing groove 10 is formed in the position, which corresponds to the second sealing ring 9, of one side of the connecting pipe 3, which is close to the supporting frame 5, and in addition, one side, which is close to the annular sealing groove 10, of the second sealing ring 9 penetrates through the annular sealing groove 10 and extends to the inside of the annular sealing groove 10.

Specifically, the second sealing ring 9 is movably clamped with the annular sealing groove 10.

In the specific implementation, one side of the sealing baffle 7, which is close to the connecting pipe 3, is in movable contact with the connecting pipe 3.

Specifically, the surface of the first sealing ring 6 is movably abutted against the inner wall of the through hole 4.

In particular embodiments, the second sealing ring 9 is made of rubber and the first sealing ring 6 is made of rubber.

When in practical application: through setting up first sealing washer 6, greatly improved the sealing performance when support frame 5 is connected with connecting pipe 3, mutually supported through second sealing washer 9 and annular seal groove 10 simultaneously, further improved the sealing performance when connecting pipe 3 is connected with support frame 5 to play fine leak-proof effect, can prevent effectively that gas from leaking out through the left and right sides of support frame 5.

All parts in the utility model are universal standard parts or parts known by a person skilled in the art, the structure and principle of the parts are known by the person skilled in the art through technical manuals or known by conventional experimental methods, and standard parts used in the utility model file can be purchased from the market, each part in the utility model file can be customized according to the description of the specification and the drawing, the specific connection modes of each part adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the control mode of the utility model is automatically controlled by a controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the supply of power also belongs to the common general knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the utility model does not explain the control mode and circuit connection in detail.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reciprocating type cryogenic liquid pump leak protection structure, its characterized in that, including drive case (1) and hydraulic pump (2), one side that drive case (1) and hydraulic pump (2) are close to each other is all fixed to be linked together and is had connecting pipe (3), two opening (4) have all been seted up to one side that connecting pipe (3) are close to each other, two through support frame (5) swing joint between opening (4), the equal fixedly connected with first sealing washer (6) in the left and right sides of support frame (5) surface.

2. The leakage preventing structure of a reciprocating cryogenic liquid pump of claim 1, wherein: sealing baffles (7) are fixedly sleeved at the left side and the right side of the surface of the supporting frame (5) and positioned between the two connecting pipes (3), and the sealing baffles (7) are fixedly connected with the connecting pipes (3) through bolts (8).

3. A reciprocating cryogenic liquid pump leakage preventing structure according to claim 2, characterized in that: the sealing baffle (7) is close to one side fixedly connected with second sealing washer (9) of connecting pipe (3), annular seal groove (10) have been seted up to the position that connecting pipe (3) is close to support frame (5) one side and corresponds second sealing washer (9), one side that second sealing washer (9) is close to annular seal groove (10) runs through annular seal groove (10) and extends to the inside of annular seal groove (10).

4. A reciprocating cryogenic liquid pump leakage preventing structure according to claim 3, characterized in that: the second sealing ring (9) is movably clamped with the annular sealing groove (10).

5. A reciprocating cryogenic liquid pump leakage preventing structure according to claim 2, characterized in that: one side of the sealing baffle (7) close to the connecting pipe (3) is in movable contact with the connecting pipe (3).

6. The leakage preventing structure of a reciprocating cryogenic liquid pump of claim 1, wherein: the surface of the first sealing ring (6) is movably abutted against the inner wall of the through hole (4).

7. A reciprocating cryogenic liquid pump leakage preventing structure according to claim 3, characterized in that: the second sealing ring (9) is made of rubber.