CN216477804U

CN216477804U - Based on oil pump series connection duplex mechanical seal device

Info

Publication number: CN216477804U
Application number: CN202220086462.XU
Authority: CN
Inventors: 张雅丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-05-10
Anticipated expiration: 2032-01-13

Abstract

The utility model provides a double mechanical sealing device based on oil pump series connection, which relates to the technical field of oil pump equipment and comprises a base; the top intermediate position fixedly connected with pump body of base, the intermediate position of the rear end of the pump body and the front end intermediate position fixed connection of connecting piece, the left and right sides position of connecting piece is a mouth of pipe of fixedly connected with respectively, and two mouths of pipe are the symmetry setting, and the orificial outer end position of both sides is a sleeve pipe of fixedly connected with respectively, and the laminating of every sheathed tube rear end outside position has a sealing member A. And rotating the threaded pipe to enable the threaded pipe to move towards the inner position of the hollow pipe, and pressurizing the semi-ring groove of the sealing element B and the semi-ring groove of the sealing element A according to the air pressure in the hollow pipe. The problem that leakage is easy to occur in a long time due to the fact that the existing oil pump is poor in sealing performance when put into use is solved.

Description

Based on oil pump series connection duplex mechanical seal device

Technical Field

The utility model belongs to the technical field of oil pump equipment, more specifically say, in particular to based on two mechanical seal device of oil pump series connection.

Background

The oil pump is a light and compact pump, and has three types of in-line type, distribution type and single type, the oil pump can be operated only by a power source, a camshaft at the lower part of the oil pump is driven by a crankshaft gear of an engine, and the simple packing seal or mechanical seal has short service life, poor reliability and leakage in a heat conduction oil system.

The existing oil pump-based series double-mechanical sealing device has the following defects: when the oil pump is put into use, the situation of poor sealing performance exists, and the situation of leakage is easy to occur over time, so that the normal use of the oil pump is influenced.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a dual mechanical sealing device based on serial connection of oil pumps is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a based on two mechanical sealing device of oil pump series connection to solve present when the oil pump drops into use, there is the not good condition of leakproofness, the problem of leakage very easily appears in the time of the long term.

The utility model discloses based on the purpose and the efficiency of oil pump series connection duplex mechanical seal device, by following specific technological means reach:

based on the oil pump and connects two mechanical seal devices in series, including the base; the top intermediate position fixedly connected with pump body of base, the intermediate position of the rear end of the pump body and the front end intermediate position fixed connection of connecting piece, the left and right sides position of connecting piece is a mouth of pipe of fixedly connected with respectively, and two mouths of pipe are the symmetry setting, and the orificial outer end position of both sides is a sleeve pipe of fixedly connected with respectively, and the laminating of every sheathed tube rear end outside position has a sealing member A.

Furthermore, sealing member A designs for semicircle shape, and semicircular recess has been seted up to sealing member A front end intermediate position, and sealing member A's front end upper and lower both ends position is provided with a banding rubber pad respectively.

Furthermore, two strip-shaped rubber pads at the front end of the sealing element A are respectively located at the upper end and the lower end of the semicircular groove of the sealing element A, a semicircular groove is formed in the middle of the semicircular groove of the sealing element A, two notches are formed in the upper end and the lower end of the sealing element A respectively, and two fastening bolts are rotatably connected in the two notches of the sealing element A respectively.

Further, the front end of fastening bolt is rotated respectively and is connected with a nut, and sealing member A front end position is laminated with sealing member B's rear end position mutually through the cooperation of two fastening bolts, and semicircular recess has been seted up to the intermediate position of sealing member B rear end, and the intermediate position has seted up half annular in sealing member B's the semicircular recess, and sealing member B's front end intermediate position has seted up the slot, and the intermediate position of sealing member B slot rear end link up with sealing member B half annular groove mutually, and sealing member B rear end upper and lower both sides position is laminated with two strip rubber pads of sealing member A front end mutually respectively, and sealing member A half annular is laminated with sealing member B half annular groove mutually.

Furthermore, an empty pipe is fixedly connected in a slot in the middle of the front end of the sealing element B, threads are arranged in the empty pipe, a threaded pipe is rotatably connected in the empty pipe, and a sealing gasket is arranged at the rear end of the threaded pipe.

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

two butt joint pipes are laminated with two sleeve pipes respectively, will arrange in sealing member A's semicircular groove butt joint pipe and sleeve pipe, make butt joint pipe and sleeve pipe contact position be located sealing member A's semi-ring inslot, follow and laminate sealing member A front end position mutually with sealing member B's rear end position through the cooperation of two fastening bolts, make butt joint pipe and sleeve pipe contact position's front end be located sealing member B's semi-ring inslot, through the nut that rotates the fastening bolt, make sealing member B and sealing member A carry out the fastening laminating, consolidate the fastness of being connected between butt joint pipe and the sleeve pipe.

In addition, the sealing effect is achieved through the two strip-shaped rubber gaskets arranged on the sealing element A, the situation that the semi-circular groove of the sealing element B and the semi-circular groove of the sealing element A leak is avoided, on the other hand, the butt joint position of the butt joint pipe and the sleeve is located in the semi-circular groove of the sealing element B and the semi-circular groove of the sealing element A, the threaded pipe is rotated, when the threaded pipe moves to the inner position of the empty pipe, the semi-circular groove of the sealing element B and the semi-circular groove of the sealing element A can be subjected to pressurization treatment according to air pressure existing in the empty pipe, and the situation that the leakage exists between the butt joint pipe and the sleeve is further avoided.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a left side view structural diagram of the present invention.

Fig. 2 is a schematic side view of the structure of the present invention.

Fig. 3 is the utility model discloses a sealing member A wholly with the whole left side of splitting of hollow tube structure schematic diagram.

Fig. 4 is the utility model discloses a sealing member A wholly looks sideways at the schematic diagram with the whole split of blank pipe.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 2. a pump body; 201. a connecting member; 202. a pipe orifice; 203. a sleeve; 3. a seal member A; 301. fastening bolts; 302. a seal member B; 4. empty pipe; 401. a threaded pipe.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a double mechanical sealing device based on oil pump series connection, which comprises a base 1; the top intermediate position fixedly connected with pump body 2 of base 1, the intermediate position of the rear end of pump body 2 and the front end intermediate position fixed connection of connecting piece 201, the left and right sides position difference fixedly connected with mouth of pipe 202 of connecting piece 201, two mouth of pipe 202 are the symmetry setting, the outer end position difference fixedly connected with sleeve pipe 203 of the mouth of pipe 202 of both sides, the laminating of the rear end outside position of every sleeve pipe 203 has a sealing member A3, sealing member A3 is the design of semicircle shape, and semicircular recess has been seted up to sealing member A3 front end intermediate position, both ends position is provided with a banding rubber pad respectively about the front end of sealing member A3, two banding rubber pads of sealing member A3 front end are located the upper and lower both ends position of sealing member A3 semicircular recess respectively, half annular has been seted up to the intermediate position in the semicircular recess of sealing member A3.

Wherein, the upper and lower ends of the sealing element A3 are respectively provided with a notch, and the two notches of the sealing element A3 are respectively and rotatably connected with a fastening bolt 301, the front end of the fastening bolt 301 is respectively and rotatably connected with a nut, the front end of the sealing element A3 is matched with the rear end of the sealing element B302 through the matching of the two fastening bolts 301, the middle position of the rear end of the sealing element B302 is provided with a semicircular groove, the middle position of the semicircular groove of the sealing element B302 is provided with a semicircular groove, the middle position of the front end of the sealing element B302 is provided with a slot, the middle position of the rear end of the slot of the sealing element B302 is communicated with the semicircular groove of the sealing element B302, the upper and lower two side positions of the rear end of the sealing element B302 are respectively matched with the two strip-shaped rubber pads at the front end of the sealing element A3, the semicircular groove of the sealing element A3 is matched with the semicircular groove of the sealing element B302, so that the front end of the contact position of the butt joint pipe and the sleeve 203 is positioned in the semicircular groove of the sealing element B302, by rotating the nut of the fastening bolt 301, the seal B302 is fastened and attached to the seal A3, and the two strip-shaped rubber pads provided on the seal A3 provide a sealing effect.

Wherein, fixedly connected with air hose 4 in the slot of sealing member B302 front end intermediate position, the inside position of air hose 4 is provided with the screw thread, the rotation is connected with screwed pipe 401 in the air hose 4, the rear end position of screwed pipe 401 is provided with seal ring, butt joint pipe and sleeve pipe 203 butt joint position are located sealing member B302's semi-ring groove and sealing member A3 semi-ring inslot, screwed pipe 401 rotates, when making screwed pipe 401 move to air hose 4 inside position, can carry out pressurization processing to sealing member B302's semi-ring groove and sealing member A3 semi-ring groove according to the inside atmospheric pressure that exists of air hose 4, and then avoid having the condition of leaking between butt joint pipe and the sleeve pipe 203.

The specific use mode and function of the embodiment are as follows:

when the device is used, firstly, the whole device is oppositely butted and assembled, the pump body 2 is fixed to the upper end position of the top of the base 1, the assembling process of the whole device of the pump body 2 is completed, then, two butting pipes are respectively attached to the outer end positions of two sleeves 203 at two sides of the connecting piece 201, next, the butting pipes and the sleeves 203 are placed in the semicircular grooves of the sealing piece A3, the contact positions of the butting pipes and the sleeves 203 are located in the semi-annular grooves of the sealing piece A3, then, the front end position of the sealing piece A3 is attached to the rear end position of the sealing piece B302 through the matching of two fastening bolts 301, the position assembling of the sealing piece B302 is completed, the front end of the contact positions of the butting pipes and the sleeves 203 is located in the semi-annular grooves of the sealing piece B302, the sealing piece B302 and the sealing piece A3 are fastened and attached through the rotation of the nuts of the fastening bolts 301, and the two strip-shaped rubber pads arranged on the sealing piece A3 play a role of sealing effect, the semi-circular groove of the sealing element B302 and the semi-circular groove of the sealing element A3 are prevented from leaking, the butt joint position of the butt joint pipe and the sleeve 203 is located in the semi-circular groove of the sealing element B302 and the semi-circular groove of the sealing element A3, the threaded pipe 401 is rotated, when the threaded pipe 401 moves to the inner position of the hollow pipe 4, the semi-circular groove of the sealing element B302 and the semi-circular groove of the sealing element A3 can be pressurized according to the air pressure in the hollow pipe 4, and therefore the situation that the leakage exists between the butt joint pipe and the sleeve 203 is avoided.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Based on oil pump series connection duplex mechanical seal device, its characterized in that: comprises a base (1); the top intermediate position fixedly connected with pump body (2) of base (1), the intermediate position of the rear end of the pump body (2) and the front end intermediate position fixed connection of connecting piece (201), the left and right sides position of connecting piece (201) is mouth of pipe (202) of fixedly connected with respectively, two mouths of pipe (202) are the symmetry setting, the outer end position of the mouth of pipe (202) of both sides is sleeve pipe (203) of fixedly connected with respectively, the rear end outside position laminating of every sleeve pipe (203) has a sealing member A (3).

2. The oil pump-based series double mechanical seal device as set forth in claim 1, wherein: the sealing element A (3) is designed in a semicircular shape, a semicircular groove is formed in the middle position of the front end of the sealing element A (3), and a strip-shaped rubber pad is arranged at each of the upper end and the lower end of the front end of the sealing element A (3).

3. The oil pump-based tandem double mechanical seal device of claim 1, wherein: two strip-shaped rubber pads at the front end of the sealing element A (3) are respectively positioned at the upper end and the lower end of the semicircular groove of the sealing element A (3), and a semicircular groove is formed in the middle of the semicircular groove of the sealing element A (3).

4. The oil pump-based tandem double mechanical seal device of claim 1, wherein: the upper end and the lower end of the sealing element A (3) are respectively provided with a notch, and two notches of the sealing element A (3) are respectively and rotatably connected with a fastening bolt (301).

5. The oil pump-based tandem double mechanical seal device of claim 4, wherein: the front end of fastening bolt (301) rotates respectively and is connected with a nut, the cooperation of sealing member A (3) front end position through two fastening bolts (301) is laminated mutually with the rear end position of sealing member B (302), semicircular recess has been seted up to the intermediate position of sealing member B (302) rear end, and the intermediate position has seted up half annular in the semicircular recess of sealing member B (302), the slot has been seted up to the front end intermediate position of sealing member B (302), and the intermediate position and the sealing member B (302) half annular of sealing member B (302) slot rear end link up mutually, both sides position is laminated mutually with two strip rubber pads of sealing member A (3) front end respectively about sealing member B (302) rear end, sealing member A (3) half annular is laminated mutually with sealing member B (302) half annular.

6. The oil pump-based tandem double mechanical seal device of claim 5, wherein: an empty pipe (4) is fixedly connected in a slot in the middle of the front end of the sealing element B (302), threads are arranged in the empty pipe (4), a threaded pipe (401) is rotatably connected in the empty pipe (4), and a sealing gasket is arranged at the rear end of the threaded pipe (401).