CN111618789A - Engine valve oil seal drawing device - Google Patents
Engine valve oil seal drawing device Download PDFInfo
- Publication number
- CN111618789A CN111618789A CN202010592236.4A CN202010592236A CN111618789A CN 111618789 A CN111618789 A CN 111618789A CN 202010592236 A CN202010592236 A CN 202010592236A CN 111618789 A CN111618789 A CN 111618789A
- Authority
- CN
- China
- Prior art keywords
- jaw structure
- clamping jaw
- oil seal
- valve oil
- forked
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The invention relates to an engine valve oil seal drawing device, which comprises a forked clamping jaw structure, a clamping mechanism and a drawing mechanism, wherein the forked clamping jaw structure is provided with at least two clamping jaws; the rear ends of the clamping jaws are connected, the front ends of the clamping jaws are scattered to be used as drawing ends, and the front ends of the clamping jaws are provided with claw hooks; the fork-shaped clamping jaw structure is also sleeved with a push sleeve; the push sleeve is used for enabling the drawing end of the forked clamping jaw structure to be folded and clamped and hooking the rear end of the valve oil seal when the push sleeve moves forwards along the forked clamping jaw structure; or when the fork-type clamping jaw structure moves backwards along the fork-type clamping jaw structure, the drawing end of the fork-type clamping jaw structure is restored to a dispersed state to loosen the valve oil seal. The drawing device for the engine valve oil seal, provided by the invention, has a forked clamping jaw structure, the clamping jaw structure is controlled to fold through the push sleeve, and the rear end of the valve oil seal is clamped and hooked by the claw hooks arranged at the front ends of the clamping jaws, so that the valve oil seal is not easy to loosen and further drawn, the manual force application is convenient, the operation is simple, and the time and the labor are saved.
Description
Technical Field
The invention relates to the field of engine maintenance tools, in particular to an engine valve oil seal drawing device.
Background
The existing valve oil seal clamp device is basically formed by a sheet metal structure in order to reduce cost, is easy to deform during clamping, is completely clamped by manpower, and needs to continuously provide clamping force during manual clamping, so that the valve oil seal clamp device inevitably has the problems of weak clamping force, short clamping force duration and inconvenience in pulling and disassembling a workpiece; and for manual work, the operation is difficult, and time and labor are wasted.
Disclosure of Invention
In order to solve the technical problem, the invention provides an engine valve oil seal drawing device which is provided with a forked clamping jaw structure, wherein the clamping jaw structure is controlled to fold through a push sleeve, and the rear end of a valve oil seal is clamped and hooked through a jaw hook arranged at the front end of the clamping jaw, so that the valve oil seal drawing device is not easy to loosen and further can be used for drawing, the manual force application is convenient, the operation is simple, and the time and the labor are saved.
The technical scheme adopted by the invention for solving the technical problems is as follows: an engine valve oil seal drawing device comprises a forked clamping jaw structure, a clamping jaw clamping mechanism and a clamping mechanism, wherein the forked clamping jaw structure is provided with at least two clamping jaws; the rear ends of the clamping jaws are connected, the front ends of the clamping jaws are scattered to be used as drawing ends, and the front ends of the clamping jaws are provided with claw hooks; the fork-shaped clamping jaw structure is also sleeved with a push sleeve; the push sleeve is used for enabling the drawing end of the forked clamping jaw structure to be folded and clamped and hooking the rear end of the valve oil seal when the push sleeve moves forwards along the forked clamping jaw structure; or when the fork-type clamping jaw structure moves backwards along the fork-type clamping jaw structure, the drawing end of the fork-type clamping jaw structure is restored to a dispersed state to loosen the valve oil seal.
Furthermore, the clamping jaws are strip-shaped rods, the rear ends of the strip-shaped rods are connected, and the inner side faces of the strip-shaped rods are inclined towards one side far away from the center line relative to the center line of the forked clamping jaw structure, so that the front ends of the strip-shaped rods form a dispersed state.
Furthermore, the pushing sleeve comprises a conical cylinder which restrains the strip-shaped rod from dispersing outwards, and the front opening of the conical cylinder is large, and the rear opening of the conical cylinder is small; the cone cylinder is used for enabling the front ends of the strip-shaped rods to move towards the direction close to the center line of the forked type clamping jaw structure when moving forwards, and enabling the front ends of the strip-shaped rods to be in a furled state.
Furthermore, the rear end of the cone cylinder is provided with an outward flange for providing a driving force action position for moving the cone cylinder.
Furthermore, the front end of the clamping jaw is bent towards the direction of the central line of the forked clamping jaw structure to form a jaw hook.
Furthermore, the claw hook is provided with a clamping groove on the end face close to the center line of the forked type clamping jaw structure.
Furthermore, the clamping jaws are symmetrically arranged, the clamping grooves are V-shaped or arc-shaped, and the forked clamping jaw structure is matched with the valve guide pipe at the rear end of the valve oil seal through the two opposite V-shaped or arc-shaped clamping grooves to avoid the valve guide pipe.
Furthermore, the rear end of the forked clamping jaw structure is used as a pulling end, or the rear end of the forked clamping jaw structure is connected with a pulling mechanism.
Further, the pulling mechanism comprises a guide rod connected with the forked clamping jaw structure; the guide rod is sleeved with a heavy hammer; and the rear end of the guide rod is provided with an impact piece for providing tension for the forked clamping jaw structure by pushing the heavy hammer backwards to move along the guide rod and impact the impact piece.
Furthermore, a stop piece is arranged between the front end of the guide rod and the rear end of the forked clamping jaw structure; used for preventing the heavy hammer from separating from the guide rod.
The invention has the beneficial effects that: the drawing device for the engine valve oil seal is provided with a forked clamping jaw structure, the clamping jaw structure is controlled to fold through the push sleeve, and the rear end of the valve oil seal is clamped and hooked through the claw hooks arranged at the front ends of the clamping jaws, so that the valve oil seal is not easy to loosen and further drawn, the manual force application is facilitated, the operation is simple, and the time and the labor are saved; the pulling end is drawn in by pushing the pushing sleeve tightly, one pushing force is applied to draw in, the pushing force can be converted and amplified into clamping force, the pulling end cannot be loosened, the hooking action is more stable and firm, the pliers type can be clamped and drawn firstly by applying two forces, and the pulling device is more reasonable for manual force application by comparison; in addition, when the push sleeve is pushed tightly, as long as the position of the push sleeve is kept still, the clamping force can be kept all the time, and labor is saved for manual force application; the push sleeve is designed to be in a cone shape, so that the structure is simple and the operation is convenient; by adopting the design of the guide rod heavy hammer, the instant impact force of the heavy hammer can be transmitted to the clamping jaw structure through the guide rod, thereby being beneficial to the disassembly of the valve oil seal; clamping jaw structure and guide bar integrated design, the atress is even stable to, the guide bar is on the collinear with the central line of forked clamping jaw structure, and the direction nature of force is good, more effectual improvement is to the utilization of pulling force.
Drawings
FIG. 1 is a schematic diagram of an engine valve oil seal drawing device according to an embodiment.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
Examples
As shown in fig. 1, the present embodiment provides an engine valve oil seal drawing device, which comprises a bifurcated jaw structure 6 having at least two jaws 61; the rear ends of the plurality of jaws 61 are connected, the front ends are dispersed to be used as drawing ends, and the front ends of the jaws are provided with jaw hooks 62; the forked clamping jaw structure 6 is also sleeved with a push sleeve 5; the push sleeve 5 is used for enabling the drawing end of the forked clamping jaw structure 6 to be folded and clamped and hooking the rear end of the valve oil seal when the push sleeve moves forwards along the forked clamping jaw structure 6; or when the fork-type clamping jaw structure 6 moves backwards, the drawing end of the fork-type clamping jaw structure 6 is restored to a dispersed state to loosen the valve oil seal; it should be noted that "front" and "rear" of the drawing device in this embodiment are determined according to the actual operation direction of the drawing device, and "rear end" of the valve oil seal is determined according to the conventional expression, and for the valve oil seal, the end of the valve oil seal connected to the valve guide is the "rear end" of the valve oil seal, and of course, the "rear end" of the valve oil seal is the "front end" in the front-rear direction of the drawing device.
In the drawing device for the engine valve oil seal of the embodiment, the clamping jaw 61 is a long strip-shaped rod, the rear end of the long strip-shaped rod is connected, and the inner side surface of the long strip-shaped rod inclines towards one side far away from the central line relative to the central line of the forked clamping jaw structure 6, so that the front ends of the long strip-shaped rods form a dispersed state.
In the engine valve oil seal drawing device of the embodiment, the push sleeve 5 comprises a conical cylinder 51 which restrains the outward dispersion of the strip-shaped rod, and the front opening of the conical cylinder 51 is large, and the rear opening is small; the cone 51 is used to move the front ends of the elongated rods towards the direction close to the center line of the bifurcated jaw structure 6 when moving forward, so that the front ends of the plurality of elongated rods are in a furled state.
In the engine valve oil seal drawing device of the present embodiment, the rear end of the conical cylinder 51 is provided with an outward flange 52 for providing a driving force action position for moving the conical cylinder 51, that is, an operator can push and pull the conical cylinder through the outward flange.
In the engine valve oil seal drawing device of the embodiment, the front end of the clamping jaw 61 is bent towards the direction of the central line of the forked clamping jaw structure 6 to form a jaw hook 62; the claw hook 62 can be an acute angle barb, that is, when the claw hook 62 contacts with the rear end of the valve oil seal, the claw hook does not contact with the rear end face of the valve oil seal in parallel, but the angle between the claw hook and the rear end face of the valve oil seal is an acute angle, so that a barb form is formed; by the design, the hook of the forked clamping jaw structure is more stable and firmer.
In the engine valve oil seal drawing device of the present embodiment, the claw hook 62 is provided with a clamping groove 63 on an end surface close to the center line of the bifurcated jaw structure 6.
In the engine valve oil seal drawing device of the embodiment, the two clamping jaws 61 are symmetrically arranged, and the clamping groove 63 is in a V shape or an arc shape, so that the forked clamping jaw structure is matched with the two opposite V-shaped or arc-shaped clamping grooves together to avoid a valve guide pipe at the rear end of the valve oil seal; the cross-section of the elongated bar of the respective jaws 61 may be provided in a semi-circular shape, while the cross-section of the cone may be provided in an oblong or elliptical shape, respectively.
In the drawing device for the engine valve oil seal of the embodiment, the rear end of the forked clamping jaw structure 6 serves as a drawing end, or the rear end of the forked clamping jaw structure 6 is connected with a drawing mechanism.
In the engine valve oil seal drawing device of the embodiment, the drawing mechanism comprises a guide rod 2 connected with a forked clamping jaw structure 6; the guide rod 2 is sleeved with a heavy hammer 3; the rear end of the guide rod 2 is provided with a striking plate 1 for providing a pulling force to the bifurcated jaw structure 6 by pushing the weight 3 backward to move along the guide rod 2 and strike the striking plate 1.
In the engine valve oil seal drawing device of the embodiment, a stop piece 4 is further arranged between the front end of the guide rod 2 and the rear end of the forked clamping jaw structure 6; for preventing the weight from disengaging from the guide bar and also for preventing the cone-shaped sleeve 5 from disengaging from the bifurcated jaw structure 6.
When the drawing device for the engine valve oil seal is used, the pushing sleeve is firstly pulled backwards to enable the drawing end of the forked clamping jaw structure to be dispersed, then the front end of the forked clamping jaw structure extends into an engine cylinder cover to the lower edge of the valve oil seal, then the pushing sleeve is pushed downwards with force to enable the drawing end of the forked clamping jaw structure to be folded, so that the claw hook of the forked clamping jaw structure is clamped on a valve guide pipe and hooks the rear end face of the valve oil seal, then the heavy hammer is pulled backwards rapidly, when the heavy hammer impacts an impact piece, the valve oil seal is separated from the valve guide pipe easily by using instant impact force, the drawing disassembly of the valve oil seal is realized, and the operation also utilizes the hooking function of the claw hook; of course, the jaw structure may also act directly on the part to be disassembled, simply to provide the clamping force.
In the engine valve oil seal drawing device of this embodiment, the clamping jaw sets up to rectangular shape pole, adopts more slender design, is favorable to the forked form clamping jaw of this device to get into narrow space and carries out the drawing operation.
In the engine valve oil seal drawing device of this embodiment, forked type clamping jaw structure and the design of tight direction of clamp thereof for the pulling force direction is favorable to forked type clamping jaw structure's drawing end further to press from both sides tightly, avoids taking place the phenomenon that takes off at the in-process claw hook of drawing and valve oil seal.
The drawing device for the engine valve oil seal is provided with a forked clamping jaw structure, the clamping jaw structure is controlled to fold through the push sleeve, the rear end of the valve oil seal is clamped and hooked through the claw hooks arranged at the front ends of the clamping jaws, the valve oil seal is not easy to loosen and further drawn, manual force application is facilitated, and the drawing device is simple to operate, time-saving and labor-saving; the pulling end is drawn in by pushing the pushing sleeve tightly, one pushing force is applied to draw in, the pushing force can be converted and amplified into clamping force, the pulling end cannot be loosened, the hooking action is more stable and firm, the pliers type can be clamped and drawn firstly by applying two forces, and the pulling device is more reasonable for manual force application by comparison; in addition, when the push sleeve is pushed tightly, as long as the position of the push sleeve is kept still, the clamping force can be kept all the time, and labor is saved for manual force application; the push sleeve is designed to be in a cone shape, so that the structure is simple and the operation is convenient; by adopting the design of the guide rod heavy hammer, the instant impact force of the heavy hammer can be transmitted to the clamping jaw structure through the guide rod, thereby being beneficial to the disassembly of the valve oil seal; clamping jaw structure and guide bar integrated design, the atress is even stable to, the guide bar is on the collinear with the central line of forked clamping jaw structure, and the direction nature of force is good, more effectual improvement is to the utilization of pulling force.
The above embodiments should not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent transformations fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides an engine valve oil blanket draw-off gear which characterized in that: comprising a bifurcated jaw structure having at least two jaws; the rear ends of the clamping jaws are connected, the front ends of the clamping jaws are scattered to be used as drawing ends, and the front ends of the clamping jaws are provided with claw hooks; the fork-shaped clamping jaw structure is also sleeved with a push sleeve; the push sleeve is used for enabling the drawing end of the forked clamping jaw structure to be folded and clamped and hooking the rear end of the valve oil seal when the push sleeve moves forwards along the forked clamping jaw structure; or when the fork-type clamping jaw structure moves backwards along the fork-type clamping jaw structure, the drawing end of the fork-type clamping jaw structure is restored to a dispersed state to loosen the valve oil seal.
2. The engine valve oil seal drawing device according to claim 1, characterized in that: the clamping jaws are strip-shaped rods, the rear ends of the strip-shaped rods are connected, and the inner side faces of the strip-shaped rods are inclined towards one side far away from the center line relative to the center line of the forked clamping jaw structure, so that the front ends of the strip-shaped rods form a dispersed state.
3. The engine valve oil seal drawing device according to claim 2, characterized in that: the push sleeve comprises a conical cylinder which restrains the strip-shaped rod from dispersing outwards, and the front opening of the conical cylinder is large, and the rear opening of the conical cylinder is small; the cone cylinder is used for enabling the front ends of the strip-shaped rods to move towards the direction close to the center line of the forked type clamping jaw structure when moving forwards, and enabling the front ends of the strip-shaped rods to be in a furled state.
4. The engine valve oil seal drawing device according to claim 3, characterized in that: the rear end of the cone cylinder is provided with an outward flanging used for providing a driving force action position for moving the cone cylinder.
5. The engine valve oil seal drawing device according to claim 2, characterized in that: the front ends of the clamping jaws are bent towards the direction of the central line of the forked clamping jaw structure to form the jaw hooks.
6. The engine valve oil seal drawing device according to claim 5, characterized in that: the claw hook is provided with a clamping groove on the end face close to the central line of the forked type clamping jaw structure.
7. The engine valve oil seal drawing device according to claim 6, characterized in that: the clamping jaws are symmetrically arranged, the clamping grooves are V-shaped or arc-shaped, and the forked clamping jaw structure is used for avoiding the valve guide pipe at the rear end of the valve oil seal through the common cooperation of the two opposite V-shaped or arc-shaped clamping grooves.
8. An engine valve oil seal drawing device according to any one of claims 1 to 7, characterized in that: the rear end of the forked clamping jaw structure is used as a pulling end, or the rear end of the forked clamping jaw structure is connected with a pulling mechanism.
9. The engine valve oil seal drawing device according to claim 8, characterized in that: the pulling mechanism comprises a guide rod connected with the forked clamping jaw structure; the guide rod is sleeved with a heavy hammer; and the rear end of the guide rod is provided with an impact piece for providing tension for the forked clamping jaw structure by pushing the heavy hammer backwards to move along the guide rod and impact the impact piece.
10. The engine valve oil seal drawing device according to claim 9, characterized in that: a stop piece is arranged between the front end of the guide rod and the rear end of the forked clamping jaw structure; used for preventing the heavy hammer from separating from the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592236.4A CN111618789A (en) | 2020-06-24 | 2020-06-24 | Engine valve oil seal drawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592236.4A CN111618789A (en) | 2020-06-24 | 2020-06-24 | Engine valve oil seal drawing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111618789A true CN111618789A (en) | 2020-09-04 |
Family
ID=72256596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010592236.4A Pending CN111618789A (en) | 2020-06-24 | 2020-06-24 | Engine valve oil seal drawing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111618789A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115464599A (en) * | 2022-09-20 | 2022-12-13 | 广州司密达实业有限公司 | Sealing element remover |
-
2020
- 2020-06-24 CN CN202010592236.4A patent/CN111618789A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115464599A (en) * | 2022-09-20 | 2022-12-13 | 广州司密达实业有限公司 | Sealing element remover |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111618789A (en) | Engine valve oil seal drawing device | |
| CN212763261U (en) | Engine valve oil seal drawing device | |
| CN208945974U (en) | One kind forging pipe vice | |
| CN208799696U (en) | The hydraulic device that cracks | |
| CN210232907U (en) | Multifunctional special tool for fully-mechanized mining intelligent hydraulic support | |
| CN207592712U (en) | A kind of modified rivet gun attachment device | |
| CN202716236U (en) | Nail hammer capable of pulling out capless screw | |
| CN205916945U (en) | Through quick hook device that presss from both sides on wire rope transmission dolly | |
| CN204819394U (en) | Intervention formula nail puller | |
| CN201394795Y (en) | Split mounting pliers for split pin | |
| CN219704977U (en) | Special tool for disassembling end cover of large motor | |
| CN201052428Y (en) | Filter fan assembly filter cloth strainer | |
| CN211729046U (en) | Electrician's pliers with claw hammer function | |
| CN201120434Y (en) | Light steel keel clamp | |
| CN212866886U (en) | Narrow and corner space template construction nail pulling tool | |
| CN212044484U (en) | Engine fuel injector extracting tool | |
| CN214870236U (en) | First disassembling piece, second disassembling piece and suit in U-shaped card disassembling tool suit | |
| CN216328023U (en) | Tool for assisting in pulling out valve needle of air cylinder | |
| CN212193005U (en) | Nail puller | |
| CN210476935U (en) | Collecting clamp for collecting stamping waste | |
| CN213498967U (en) | Nail puller for pulling high nail | |
| CN204976541U (en) | Laborsaving nail puller | |
| CN210414311U (en) | Knocking open spanner | |
| CN107812875A (en) | A kind of blind rivet manipulator | |
| CN218576254U (en) | Robot clamping mechanism |
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 |