CN115647164A - Hydraulic sealing device and method for steering ball head - Google Patents
Hydraulic sealing device and method for steering ball head Download PDFInfo
- Publication number
- CN115647164A CN115647164A CN202211287882.5A CN202211287882A CN115647164A CN 115647164 A CN115647164 A CN 115647164A CN 202211287882 A CN202211287882 A CN 202211287882A CN 115647164 A CN115647164 A CN 115647164A
- Authority
- CN
- China
- Prior art keywords
- sealing
- ball head
- steering ball
- assembly
- gland
- 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.)
- Pending
Links
Images
Landscapes
- Sealing Devices (AREA)
Abstract
The invention discloses a steering ball head hydraulic sealing device and a method, which comprises a fixed seat and a sealing assembly, wherein the fixed seat can support and fix an inverted steering ball head to be sealed; the sealing assembly is located right above the fixed seat and connected with an external hydraulic mechanism, the hydraulic mechanism can drive the sealing assembly to vertically lift up and down relative to the rotating ball head, the sealing assembly can elastically stretch out and draw back, the bottom of the sealing assembly can be aligned with and matched with a matching plane on a spring gland of the tail portion of the steering ball head, the sealing assembly can compress the spring gland downwards to a sealing position, the bottom of the sealing assembly is provided with a stamping structure, and the stamping structure can stamp the reserved protruding excess materials on the steering ball head so as to compress and fix the spring gland. According to the steering ball head hydraulic sealing device and method, under the condition that the ball head pin spring gland is accurately positioned, the steering ball head is sealed and formed at one time, the assembly efficiency is improved, and the assembly quality of a product is guaranteed.
Description
Technical Field
The invention relates to the field of steering ball head processing, in particular to a steering ball head hydraulic sealing device and method.
Background
The steering ball head is widely applied to steering systems of civil and military vehicles. After the steering ball head is assembled, a spring gland at the tail part of the ball head pin is sealed by adopting a rolling sealing and hydraulic sealing mode, wherein the rolling sealing operation process is complicated and the difficulty is high; when the ball head pin tail part is hydraulically sealed, the spring gland is easily sealed in place due to the action of the internal elastic part, and potential safety hazards exist in manual positioning in the sealing process. The invention mainly designs a hydraulic seal assembly auxiliary process device.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a steering ball head hydraulic sealing device and method, which can seal and form a steering ball head at one time under the condition of realizing accurate positioning of a ball head pin spring gland, improve the assembly efficiency and ensure the assembly quality of products.
In order to achieve the purpose, the invention is realized by the following technical scheme: a steering ball hydraulic sealing device comprises:
the fixing seat can support and fix the inverted steering ball head to be sealed; and
the assembly seals, seal the assembly and be located directly over the fixing base to be connected with external hydraulic pressure mechanism, hydraulic pressure mechanism can drive seal the assembly and can be for rotating ball head vertical lift from top to bottom, seal the assembly and can elastically stretch out and draw back, seal the bottom of assembly and can aim at and agree with the plane of agreeing with on the spring gland that turns to the bulb afterbody, seal the assembly can with spring gland compresses down to sealing the position, the bottom of sealing the assembly is provided with stamping structure, stamping structure can with the protruding clout punching press of reserving on the turning to the bulb is in order to with spring gland compresses tightly fixedly.
Furthermore, the sealing assembly comprises a sealing seat, an upper copper sleeve, a lower copper sleeve, an elastic part and a positioning gland, wherein the sealing seat is positioned right above the fixed seat and can be lifted up and down, an inward concave mounting hole is formed in the bottom surface of the sealing seat, the upper copper sleeve and the lower copper sleeve are mutually inserted and matched, the upper copper sleeve and the mounting hole are mounted in the mounting hole, the positioning gland is coaxially connected to the end part, far away from the upper copper sleeve, of the lower copper sleeve and can be matched with the matching plane, the elastic part can be sleeved outside the upper copper sleeve and the lower copper sleeve in a sliding manner, and two ends of the elastic part are respectively and fixedly connected with the sealing seat and the positioning gland; stamping structure is annular stamping groove, the stamping groove along the edge setting of mounting hole, the stamping groove can with protruding clout stamping forming compresses tightly spring gland.
Further, the elastic stiffness coefficient of the elastic piece is larger than that of a spring in the rotary ball head.
Further, the upper copper sleeve is in threaded connection with the mounting hole.
Further, the lower copper sleeve is in threaded connection with the positioning gland.
Furthermore, the fit plane is an inwards concave inverted cone-shaped surface, the bottom of the positioning gland is a protruding part matched with the inverted cone-shaped surface, and the protruding part can be spliced with the inverted cone-shaped surface.
Furthermore, lubricating oil is arranged between the contact surfaces of the upper copper sleeve and the lower copper sleeve.
A hydraulic sealing method for a steering ball head comprises the following steps:
fixedly placing a steering ball head to be sealed on a fixed seat in a posture that a spring gland is vertically upward;
starting the sealing assembly to be pressed down properly until the positioning gland of the sealing assembly is matched with the matching plane at the top of the spring gland;
starting the pressing and sealing assembly to press downwards again until a punching groove at the lower end of the sealing assembly punches and forms the reserved protruding excess material on the steering ball head and presses the protruding excess material on the spring gland tightly, and the spring gland is pressed and fixed;
and retracting the sealing assembly, and taking down the steering ball head after sealing.
The invention has the beneficial effects that:
when the steering ball head hydraulic sealing device and the steering ball head hydraulic sealing method are used, the steering ball head is fixed on the fixing seat in a posture that the spring gland faces upwards vertically, then the sealing assembly is started to press down for a certain distance, the spring gland of the steering ball head is positioned and compressed to the sealing position by the lower portion of the sealing assembly, then the sealing assembly continues to press down, the stamping structure arranged at the bottom of the sealing assembly can stamp the reserved protruding excess materials on the steering ball head to tightly press the spring gland, and then the sealing of the steering ball head can be completed.
By adopting the sealing device and the method, the position of the steering ball head in the sealing process can be ensured to be fixed through the positioning of the fixing seat, meanwhile, in the process of pressing the sealing assembly, the sealing assembly can be aligned and matched with the matching plane A on the spring gland, the stamping of the protruding excess materials and the sealing are completed, and finally, the matching and the sealing are realized through one-time operation, so that the sealing efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. The elements or parts are not necessarily drawn to scale in all figures.
Fig. 1 is a schematic view of a steering ball hydraulic sealing device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a protrusion of the steering ball hydraulic seal apparatus shown in FIG. 1 fitted with a fitting plane;
FIG. 3 is a schematic view of a steering ball hydraulic sealing method shown in FIG. 1;
reference numerals:
1. a steering ball head; 11. a spring gland; 12. excess material is raised; A. fitting a plane;
100. a fixed seat; 200. a sealing assembly; 210. a seal seat; 211. mounting holes; 212; punching a groove; 220. mounting a copper sleeve; 230. a copper bush is arranged; 240. an elastic member; 250. positioning a gland; 251. a projection.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1 to 2, the present invention provides a hydraulic sealing device for a steering ball head 1, which includes a fixing base 100 and a sealing assembly 200, wherein the fixing base 100 can support and fix an inverted steering ball head 1 to be sealed. In a specific installation, a related clamp capable of fixing the vertically upward posture of the spring gland 11 of the steering ball head 1 should be arranged on the fixed seat 100. The sealing assembly 200 is located right above the fixing seat 100 and is connected with an external hydraulic mechanism, the hydraulic mechanism can drive the sealing assembly 200 to vertically lift up and down relative to the rotating ball head, the sealing assembly 200 can elastically stretch out and draw back, the bottom of the sealing assembly 200 can be aligned to and matched with a matching plane A on a spring gland 11 at the tail of the steering ball head 1, the sealing assembly 200 can compress the spring gland 11 downwards to a sealing position, the bottom of the sealing assembly 200 is provided with a stamping structure, and the stamping structure can stamp a reserved protruding excess material 12 on the steering ball head 1 to compress and fix the spring gland 11.
When the steering ball joint sealing device is used, the steering ball joint 1 is fixed on the fixing seat 100 in a vertically upward posture of the spring gland 11, then the sealing assembly 200 is started to press down for a certain distance, the spring gland 11 of the steering ball joint 1 is positioned and compressed to a sealing position by the lower portion of the sealing assembly 200, then the sealing assembly 200 continues to press down, the stamping structure arranged at the bottom of the sealing assembly 200 can stamp the reserved protruding excess materials 12 on the steering ball joint 1 to tightly press the spring gland 11, and then the sealing of the steering ball joint 1 can be completed.
Adopt this kind of closing device, through the location of fixing base 100, can guarantee to turn to bulb 1 at the rigidity of the process of sealing, and simultaneously, at the in-process that seals assembly 200 and push down, seal assembly 200 and can realize coordinating plane A with on the spring gland 11 and align and agree with, and accomplish protruding clout 12 punching press and seal, finally realize agreeing with and sealing two operations through one-time operation realization, and then improve and seal efficiency, and, because produce in agreeing with the process of sealing and pushing down the formation at the same time, treat that the piece of sealing does not take place the displacement at this in-process, then reducible position error forms the probability, under the cooperation with fixing base 100, realize accurate location, and then promote assembly efficiency, guarantee product assembly quality.
In the present embodiment, the sealing assembly 200 includes a sealing seat 210, an upper copper sleeve 220, a lower copper sleeve 230, an elastic member 240, and a positioning gland 250. The sealing seat 210 is positioned right above the fixed seat 100 and can lift up and down, an inward-concave mounting hole 211 is formed in the bottom surface of the sealing seat 210, the upper copper bush 220 and the lower copper bush 230 are in inserted fit with each other, the upper copper bush 220 and the mounting hole 211 are mounted in the mounting hole 211, the positioning gland 250 is coaxially connected to the end portion, far away from the upper copper bush 220, of the lower copper bush 230, the positioning gland 250 can be fitted with the fitting plane A, the elastic piece 240 can be sleeved outside the upper copper bush 220 and the lower copper bush 230 in a sliding manner, and two ends of the elastic piece 240 are fixedly connected with the sealing seat 210 and the positioning gland 250 respectively; the punching structure is an annular punching groove 212, the punching groove 212 is arranged along the edge of the mounting hole 211, and the punching groove 212 can punch and press the protruding remainder 12 on the spring gland 11.
When the steering ball joint sealing device is used, the steering ball joint 1 is fixed on the fixing seat 100 in a vertically upward posture of the spring gland 11, then the sealing assembly 200 is started to press down for a certain distance, the spring gland 11 of the steering ball joint 1 is positioned and compressed to a sealing position by the lower portion of the sealing assembly 200, then the sealing assembly 200 continues to press down, the bottom of the sealing assembly 200 is provided with the stamping groove 212, the stamping groove 212 can stamp the reserved protruding excess material 12 on the steering ball joint 1 to tightly press the spring gland 11, and then sealing of the steering ball joint 1 can be completed.
In this embodiment, the elastic stiffness coefficient of the elastic member 240 should be larger than that of the spring in the ball head, so as to ensure that the spring gland 11 of the steering ball head 1 will be positioned and compressed to the final sealing position by the positioning gland 250.
In a preferred embodiment, the upper copper bush 220 is screwed with the mounting hole 211. The upper copper sleeve 220 is conveniently connected with the sealing seat 210. The lower copper bush 230 is in threaded connection with the positioning gland 250. Installation of the positioning gland 250 is facilitated. The fitting plane a is an inward recessed inverted conical surface, the bottom of the positioning gland 250 is a protruding portion 251 adapted to the inverted conical surface, and the protruding portion 251 can be inserted into the inverted conical surface. The positioning cover 250 can be smoothly fitted with the fitting plane a by the guidance of the convex portion 251.
In practice, a lubricant may be disposed between the contact surfaces of the upper copper sleeve 220 and the lower copper sleeve 230. Reducing the coefficient of friction between the upper copper sleeve 220 and the lower copper sleeve 230.
Referring to fig. 3, the invention further provides a steering ball hydraulic sealing method, which includes the following steps:
s110, fixedly placing the steering ball head 1 to be sealed on the fixed seat 100 in a posture that the spring gland 11 is vertically upward;
specifically, a clamp is arranged at the top of the fixed seat 100, and the inverted steering ball head 1 is supported and fixed by the clamp.
S120, starting the sealing assembly 200 through hydraulic equipment to be pressed down properly until the positioning gland 250 of the sealing assembly 200 is matched with the matching plane A at the top of the spring gland 11;
specifically, the whole starting sealing assembly 200 is properly pressed down until the positioning gland 250 of the sealing assembly 200 is fitted with the fitting plane a at the top of the spring gland 11, and the spring gland 11 of the steering ball head 1 is positioned and compressed to the sealing position while the whole sealing assembly 200 is contracted.
S130, the pressing and sealing assembly 200 is started again to press downwards until the punching groove 212 at the lower end of the sealing assembly 200 punches and forms the reserved protruding excess material 12 on the steering ball head 1 and presses the protruding excess material on the spring gland 11, and the spring gland 11 is pressed and fixed;
specifically, the sealing assembly 200 is started again to press down, the whole sealing assembly 200 contracts at the same time, and the protruding excess material 12 reserved on the steering ball head 1 is punched and formed and pressed on the spring gland 11 by the punching groove 212 at the lower end of the sealing assembly 200, so that the spring gland 11 is pressed and fixed.
S140, retracting the sealing assembly 200, and taking down the steering ball head 1 after sealing.
Specifically, the sealing assembly 200 is started to retract, the steering ball head 1 which is sealed is taken down, a new seal is installed, and the next sealing operation is performed.
The hydraulic sealing device and method for the steering ball head 1 are as follows: by adopting the sealing device and the method, the position of the steering ball head 1 in the sealing process can be ensured to be fixed through the positioning of the fixed seat 100, meanwhile, in the process of pressing the sealing assembly 200, the sealing assembly 200 can be aligned and matched with the matching plane A on the spring gland 11, the stamping and sealing of the protruding excess material 12 are completed, and finally, the matching and sealing operations can be realized through one-time operation, so that the sealing efficiency is improved, and in addition, because the matching process and the sealing process are generated in the same pressing formation, the part to be sealed does not displace in the process, so that the forming probability of position errors can be reduced, under the matching with the fixed seat 100, the accurate positioning is realized, the assembling efficiency is improved, and the assembling quality of products is ensured.
The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. The utility model provides a turn to bulb hydraulic pressure closing device which characterized in that includes:
the fixing seat can support and fix the inverted steering ball head to be sealed; and
the assembly seals, seal the assembly and be located directly over the fixing base to be connected with external hydraulic pressure mechanism, hydraulic pressure mechanism can drive seal the assembly and can be for rotating ball head vertical lift from top to bottom, seal the assembly and can elastically stretch out and draw back, seal the bottom of assembly and can aim at and agree with the plane of agreeing with on the spring gland that turns to the bulb afterbody, seal the assembly can with spring gland compresses down to sealing the position, the bottom of sealing the assembly is provided with stamping structure, stamping structure can with the protruding clout punching press of reserving on the turning to the bulb is in order to with spring gland compresses tightly fixedly.
2. The steering ball head hydraulic sealing device according to claim 1, wherein the sealing assembly comprises a sealing seat, an upper copper sleeve, a lower copper sleeve, an elastic member and a positioning gland, the sealing seat is located right above the fixing seat and can lift up and down, an inward-recessed mounting hole is formed in the bottom surface of the sealing seat, the upper copper sleeve and the lower copper sleeve are in mutual inserting fit, the upper copper sleeve and the mounting hole are mounted in the mounting hole, the positioning gland is coaxially connected to the end portion, far away from the upper copper sleeve, of the lower copper sleeve, the positioning gland can be fitted with the fitting plane, the elastic member can be sleeved outside the upper copper sleeve and the lower copper sleeve in a sliding manner, and two ends of the elastic member are fixedly connected with the sealing seat and the positioning gland respectively; the stamping structure is an annular stamping groove, the stamping groove is arranged along the edge of the mounting hole, and the stamping groove can punch and press the protruding excess material in a stamping mode.
3. The steering ball hydraulic seal of claim 2, wherein said spring member has a spring rate greater than a spring rate of a spring in said steering ball.
4. The steering ball hydraulic seal device according to claim 2, wherein the upper copper bush is in threaded connection with the mounting hole.
5. The steering ball head hydraulic sealing device according to claim 2, wherein the lower copper bush is in threaded connection with the positioning gland.
6. The steering ball hydraulic sealing device according to claim 2, wherein the fitting plane is an inverted conical surface which is recessed inwards, and the bottom of the positioning gland is a protruding portion which is matched with the inverted conical surface and can be plugged with the inverted conical surface.
7. The steering ball hydraulic sealing device according to claim 2, wherein lubricating oil is arranged between contact surfaces of the upper copper sleeve and the lower copper sleeve.
8. A hydraulic sealing method for a steering ball head is characterized by comprising the following steps:
fixedly placing a steering ball head to be sealed on a fixed seat in a posture that a spring gland is vertically upward;
starting the sealing assembly to be pressed down properly until the positioning gland of the sealing assembly is matched with the matching plane at the top of the spring gland;
starting the pressing and sealing assembly to press downwards again until a punching groove at the lower end of the sealing assembly punches and forms the reserved protruding excess material on the steering ball head and presses the protruding excess material on the spring gland tightly, and the spring gland is pressed and fixed;
and retracting the sealing assembly, and taking down the steering ball head after sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211287882.5A CN115647164A (en) | 2022-10-20 | 2022-10-20 | Hydraulic sealing device and method for steering ball head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211287882.5A CN115647164A (en) | 2022-10-20 | 2022-10-20 | Hydraulic sealing device and method for steering ball head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115647164A true CN115647164A (en) | 2023-01-31 |
Family
ID=84989269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211287882.5A Pending CN115647164A (en) | 2022-10-20 | 2022-10-20 | Hydraulic sealing device and method for steering ball head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115647164A (en) |
-
2022
- 2022-10-20 CN CN202211287882.5A patent/CN115647164A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102720769B (en) | Device for mounting sealing ring of rolling bearing in pressing mode and method for mounting sealing ring in pressing mode | |
| CN104810993B (en) | One kind pressure magnetic shoe bearing integrated frock | |
| CN208557354U (en) | A kind of press mounting tool | |
| CN115647164A (en) | Hydraulic sealing device and method for steering ball head | |
| CN106363078A (en) | Lithium battery base plate punching mechanism of new energy vehicle | |
| CN105057454A (en) | Backboard engraving die | |
| CN211589154U (en) | Floating pressure head device | |
| CN209754470U (en) | Bearing oil seal press-fitting device capable of achieving accurate positioning | |
| CN215281786U (en) | Solenoid valve seal head frock of impressing | |
| CN204974992U (en) | Backplate mint -mark mould | |
| JPS629837A (en) | Resilient ring mounting device | |
| CN214771788U (en) | Special assembly fixture of cylinder head disk seat | |
| CN210847823U (en) | Automatic edge curling device | |
| CN211803405U (en) | Stamping die of metal rubber pipeline shock absorber | |
| CN211565029U (en) | Motor end face oil seal positioning and press-fitting jig | |
| CN110696194B (en) | Punching and forming method for producing graphite composite gasket | |
| CN209288071U (en) | Formed punch and terminal stamping device | |
| CN213195312U (en) | Stamping die of automobile plate | |
| CN109311075B (en) | Punch for a press-filling and/or riveting device and method for press-filling or riveting a workpiece | |
| CN219337583U (en) | Mounting tool for O-shaped sealing ring of inner end surface of hole | |
| CN111112993A (en) | Motor end face oil seal positioning and press-fitting jig | |
| CN103495643A (en) | Single hole punch die device | |
| CN211193648U (en) | Assembling device for bearing oil seal dust cover | |
| CN221312167U (en) | Fine blanking die structure suitable for common punch press | |
| CN216541779U (en) | Clamp spring press-fitting jig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |