CN210898724U - Front end cover structure of hydraulic motor - Google Patents
Front end cover structure of hydraulic motor Download PDFInfo
- Publication number
- CN210898724U CN210898724U CN201922308631.0U CN201922308631U CN210898724U CN 210898724 U CN210898724 U CN 210898724U CN 201922308631 U CN201922308631 U CN 201922308631U CN 210898724 U CN210898724 U CN 210898724U
- Authority
- CN
- China
- Prior art keywords
- end cover
- fixed
- hydraulic motor
- end housing
- cover body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 239000000428 dust Substances 0.000 claims abstract description 6
- 229920001971 elastomer Polymers 0.000 claims description 20
- 238000005266 casting Methods 0.000 claims description 5
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 238000004512 die casting Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Landscapes
- Sealing Devices (AREA)
- Hydraulic Motors (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a hydraulic motor front end housing structure, including the front end housing body, the front end housing body is fixed with countersunk screw along inboard symmetry outward, front end housing body tail end bottom is fixed with the base, the base both sides are fixed with first joint strip and second joint strip respectively, open in the front end housing body tail end outside has the external screw thread, front end housing body external fixation has the shell body, the inboard opening of shell body front end has the internal thread, the inside step side of shell body is fixed with deep groove ball bearing, deep groove ball bearing inner circle has cup jointed the output shaft, the front end housing body is fixed with the dust ring with the output shaft junction outside, the skeleton oil blanket has been impressed to the front end housing body and the output shaft junction inboard, the deep groove ball bearing outside is fixed with flexible retainer ring. This hydraulic motor front end housing structure, front end housing body and shell body have dual fixed connection, have two-way sealing connection, and are sealed effectual.
Description
Technical Field
The utility model belongs to the technical field of hydraulic motor, concretely relates to hydraulic motor front end housing structure.
Background
The hydraulic motor is an actuator of the hydraulic system, which converts the hydraulic pressure energy provided by the hydraulic pump into mechanical energy (torque and rotational speed) of its output shaft. Liquids are media that transmit forces and motions. The hydraulic motor is also called an oil motor, and is mainly applied to injection molding machinery, ships, lifting machines, engineering machinery, construction machinery, coal mine machinery, mining machinery, metallurgical machinery, ship machinery, petrochemical industry, port machinery and the like. The hydraulic motor is totally closed, can be safely used in dust, moist (even underwater) and combustible environments, and is more reliable than an explosion-proof (explosion-proof) motor. The hydraulic motor has the characteristic of high energy density, and the hydraulic motor is much smaller and lighter than the electric motor with the same power. Convenient to be applied to mobile equipment. The hydraulic motor may be classified into a gear type, a vane type, a plunger type, a cycloid type, etc. according to its structural type. And traditional hydraulic motor front end housing body is single passes through the fix with screw, easily causes the front end housing body not hard up at long-time during operation, influences the use, and the leakproofness is relatively poor between front end housing body and the shell body, easily takes place to leak and outside medium infiltration causes the hydraulic oil pollution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic motor front end housing structure to it is single to solve the fixed mode of front end housing body, easily causes the not hard up and relatively poor problem of leakproofness of front end housing body at long-time during operation.
In order to achieve the above object, the utility model provides a following technical scheme: a front end cover structure of a hydraulic motor comprises a front end cover body, countersunk screws are symmetrically fixed on the outer side of the front end cover body along the inner side, a base is fixed at the bottom of the tail end of the front end cover body, a first sealing rubber strip and a second sealing rubber strip are respectively fixed on two sides of the base, an external thread is arranged on the outer side of the tail end of the front end cover body, an outer shell is fixed on the outer side of the front end cover body, an internal thread is arranged on the inner side of the front end of the outer shell, a mounting flange is fixed on the outer side of the front end of the outer shell through mold casting, mounting through holes are symmetrically fixed on four corners of the mounting flange through mold casting, deep groove ball bearings are fixed on the side faces of steps in the outer shell, an output shaft is sleeved on an inner ring of the deep groove ball bearings, a raised spline is, the inner side of the joint of the front end cover body and the output shaft is pressed with a framework oil seal through a press machine, and the outer side of the deep groove ball bearing is fixed with an elastic retainer ring through a shaft groove.
Preferably, the countersunk head screw passes through the front end cover body through the mounting hole and is fixedly connected with the outer shell.
Preferably, the front end cover body is in meshed connection with the outer shell through external threads and internal threads.
Preferably, the first sealing rubber strip and the second sealing rubber strip are made of nitrile rubber.
Preferably, the outer edge surface of the front end cover body is symmetrically fixed with clamping grooves through die casting.
Preferably, the front end cover body is connected with the outer shell in a sealing mode through a first sealing rubber strip and a second sealing rubber strip.
The utility model discloses a technological effect and advantage: this hydraulic motor front end housing structure, pass the front end housing body and carry out fixed connection with the shell body through twisting countersunk screw, make front end housing body and shell body carry out fixed connection through the mutual interlock of external screw thread and internal thread, dual fixed connection, effectually avoid hydraulic motor to cause the front end housing not hard up at long-time during operation, the influence is used, front end housing body and shell body carry out two-way sealing connection through first joint strip and second joint strip, the effectual outside medium that prevents gets into the inside hydraulic oil that pollutes of hydraulic motor, simultaneously the effectual inside hydraulic oil that prevents of hydraulic motor leaks outward and causes external pollution, it is sealed effectual.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the area A of the present invention;
fig. 3 is a schematic side view of the present invention.
In the figure: 1-a front end cover body, 2-a clamping groove, 3-a countersunk screw, 4-a base, 5-a first sealing rubber strip, 6-a second sealing rubber strip, 7-an external thread, 8-an internal thread, 9-an outer shell, 10-a mounting flange, 11-a mounting through hole, 12-a deep groove ball bearing, 13-an output shaft, 14-a raised spline, 15-a dust ring, 16-a framework oil seal and 17-an elastic check ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a front end cover structure of a hydraulic motor as shown in the figure, which comprises a front end cover body 1, countersunk screws 3 are symmetrically fixed on the outer edge of the front end cover body 1 through mounting holes to play the role of fixed connection, a base 4 is fixed on the bottom of the tail end of the front end cover body 1 through mould casting to play the role of inserting and positioning, a first sealing rubber strip 5 and a second sealing rubber strip 6 are respectively fixed on two sides of the base 4 through clamping grooves to play the role of sealing, an external thread 7 is arranged on the outer side of the tail end of the front end cover body 1 through a lathe tool to play the role of connection, an outer shell 9 is fixed on the outer part of the front end cover body 1 to install and protect the internal parts of the hydraulic motor, an internal thread 8 is arranged on the inner side of the front end of the outer shell 9 through the lathe tool to play the role of connection, a mounting flange 10 is fixed on the outer side of the front end of, the mounting flange 10, the mounting through hole 11 and the outer shell 9 are integrated, a bolt penetrates through the mounting through hole 11 to enable the mounting flange 10 to be fixedly connected with an equipment support, a deep groove ball bearing 12 is fixed on the side surface of a step inside the outer shell 9 and used for supporting and guiding the rotation motion of a shaft, an output shaft 13 is sleeved on the inner ring of the deep groove ball bearing 12 and used for outputting rotating speed and torque, a raised spline 14 is formed on the surface of the front end of the output shaft 13 through a turning tool and used for connecting and transmitting torque, a dust ring 15 is fixed on the outer side of the joint of the front end cover body 1 and the output shaft 13 through a clamping groove and plays a role in sealing and dust prevention, a framework oil seal 16 is pressed on the inner side of the joint of the front end cover body 1 and the output shaft 13 through a press machine and used for sealing and isolating hydraulic oil inside a hydraulic motor to, plays a role in fixation.
Specifically, the countersunk head screw 3 passes through the front end cover body 1 through the mounting hole and is fixedly connected with the outer shell 9, so that the function of connection and fastening is achieved.
Specifically, the front end cover body 1 and the outer shell 9 are connected through the mutual occlusion of the external threads 7 and the internal threads 8, and the front end cover has the advantages of being reliable in connection and convenient to disassemble and assemble.
Specifically, the first sealing rubber strip 5 and the second sealing rubber strip 6 are made of nitrile rubber, and have the advantages of oil resistance, wear resistance and heat resistance.
Specifically, the outer surface of the front end cover body 1 is symmetrically fixed with clamping grooves 2 through die casting for clamping a wrench to rotate and disassemble the front end cover body 1.
Specifically, through first joint strip 5 and 6 sealing connection of second joint strip between front end housing body 1 and the shell body 9, inside first joint strip 5 was used for preventing outside medium from getting into the hydraulic motor, second joint strip 6 was used for preventing that the inside hydraulic oil of hydraulic motor from leaking outward, and first joint strip 5 and 6 mutually supporting of second joint strip play two-way sealed effect.
The working principle is as follows: in the use process of the front end cover structure of the hydraulic motor, a deep groove ball bearing 12 is sleeved outside an output shaft 13 and limited by an elastic retainer ring 17, a framework oil seal 16 is pressed into the bottom of an inner cavity of a front end cover body 1 by a press machine, the inner side surface of the deep groove ball bearing 12 is abutted against the step of the inner cavity of an outer shell 9, the front end cover body 1 is placed in the inner cavity of the front end of the outer shell 9 by penetrating the output shaft 13, the front end cover body 1 is rotated by clamping a wrench by a clamping groove 2, so that an external thread 7 rotates along an internal thread 8 and is mutually occluded and fixed, meanwhile, a base 4 is inserted in the step groove of the inner cavity of the outer shell 9, the front end cover body 1 is connected with the outer shell 9 in a bidirectional sealing way by extruding a first sealing rubber strip 5 and a second sealing rubber strip 6, and a sunk, when the hydraulic motor front end cover structure is used, the bolts penetrate through the mounting through holes 11, the mounting flange 10 is fixedly connected with an equipment support, and meanwhile, the protruding spline 14 at the front end of the output shaft 13 is connected with an equipment rotating part through the fixing sleeve, so that the using process of the whole hydraulic motor front end cover structure is completed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a hydraulic motor front end housing structure, includes front end housing body (1), its characterized in that: the front end cover comprises a front end cover body (1), countersunk screws (3) are symmetrically fixed to the outer side of the front end cover body (1) along the inner side, a base (4) is fixed to the bottom of the tail end of the front end cover body (1), first sealing rubber strips (5) and second sealing rubber strips (6) are fixed to the two sides of the base (4) respectively, external threads (7) are arranged on the outer side of the tail end of the front end cover body (1), a shell body (9) is fixed to the outer portion of the front end cover body (1), internal threads (8) are arranged on the inner side of the front end of the shell body (9), a mounting flange (10) is fixed to the outer side of the front end of the shell body (9) through mold casting, mounting through holes (11) are symmetrically fixed to the four corners of the mounting flange (10) through mold casting, deep groove ball bearings (12), protruding spline (14) are opened through the lathe tool to output shaft (13) front end surface, front end housing body (1) is fixed with dust ring (15) through the draw-in groove with output shaft (13) junction outside, the front end housing body (1) is impressed through the press with output shaft (13) junction inboard has skeleton oil blanket (16), deep groove ball bearing (12) outside is fixed with flexible retaining ring (17) through the shaft groove.
2. A hydraulic motor front end cover structure according to claim 1, wherein: the countersunk head screw (3) penetrates through the front end cover body (1) through the mounting hole and is fixedly connected with the outer shell (9).
3. A hydraulic motor front end cover structure according to claim 1, wherein: the front end cover body (1) is connected with the outer shell (9) in a mutual meshing mode through the external threads (7) and the internal threads (8).
4. A hydraulic motor front end cover structure according to claim 1, wherein: the first sealing rubber strip (5) and the second sealing rubber strip (6) are both made of nitrile rubber.
5. A hydraulic motor front end cover structure according to claim 1, wherein: the outer edge surface of the front end cover body (1) is symmetrically fixed with clamping grooves (2) through die casting.
6. A hydraulic motor front end cover structure according to claim 1, wherein: the front end cover body (1) is connected with the outer shell (9) in a sealing mode through the first sealing rubber strip (5) and the second sealing rubber strip (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922308631.0U CN210898724U (en) | 2019-12-20 | 2019-12-20 | Front end cover structure of hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922308631.0U CN210898724U (en) | 2019-12-20 | 2019-12-20 | Front end cover structure of hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210898724U true CN210898724U (en) | 2020-06-30 |
Family
ID=71321334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922308631.0U Expired - Fee Related CN210898724U (en) | 2019-12-20 | 2019-12-20 | Front end cover structure of hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210898724U (en) |
-
2019
- 2019-12-20 CN CN201922308631.0U patent/CN210898724U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210898724U (en) | Front end cover structure of hydraulic motor | |
| CN214248242U (en) | High-reliability multilayer sealing structure based on speed reducer | |
| CN214367587U (en) | Differential lock structure and axle assembly | |
| CN108321970A (en) | A kind of waterproof steering engine | |
| CN209856243U (en) | Rotating shaft sealing structure | |
| CN210531574U (en) | Oil leakage prevention device for output shaft of reduction gearbox of oil pumping unit | |
| CN217355478U (en) | Speed reducer transmission prevention of seepage water installation | |
| CN208951301U (en) | A kind of underwater rotary shaft composite seal device | |
| CN221237067U (en) | Main shaft bearing locking structure of hydraulic motor | |
| KR100744044B1 (en) | oil-gear pump having a structure of Magnetic sealant | |
| CN214743053U (en) | Worm gear speed reducer with roller | |
| CN205559553U (en) | Two -way gear formula hydraulic motor's solid box | |
| CN220060466U (en) | Prevent leaking AGV high-speed gyration speed reducer | |
| CN212850067U (en) | Waterproof steering engine | |
| CN109058468A (en) | A kind of underwater rotary shaft composite seal device | |
| CN217301492U (en) | Double-motor through series-parallel connection speed change full-hydraulic rotary power head | |
| CN215567925U (en) | Reinforced combined type muddy water-proof oil seal | |
| CN221003737U (en) | Sealing structure of bearing end cover of speed reducer | |
| CN218768946U (en) | Sealing structure of oil-immersed sine and cosine rotary transformer | |
| CN220396467U (en) | Sealing structure and steering drive axle | |
| CN215419858U (en) | Propeller for underwater robot | |
| CN212745047U (en) | Multi-chamber dynamic adjusting combined sealing device for pod propeller | |
| CN216789187U (en) | Novel speed reducer of leak protection oil | |
| CN217873520U (en) | Fan-shaped rotary cylinder with metal-coated rubber type piston seal | |
| CN218152199U (en) | High-pressure submersible planetary gear reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 |