CN112025607A - Telescopic automobile fuel pump assembly and disassembly tools - Google Patents
Telescopic automobile fuel pump assembly and disassembly tools Download PDFInfo
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- CN112025607A CN112025607A CN202010970870.7A CN202010970870A CN112025607A CN 112025607 A CN112025607 A CN 112025607A CN 202010970870 A CN202010970870 A CN 202010970870A CN 112025607 A CN112025607 A CN 112025607A
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- fuel pump
- ratchet
- locking
- shell
- housing
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
A telescopic automobile fuel pump disassembling tool relates to the field of automobile maintenance. The telescopic automobile fuel pump disassembling tool comprises a shell, a knob, a plurality of clamping jaws, a ratchet crank mechanism and a ratchet locking mechanism, wherein the knob is rotatably connected to the shell, the plurality of clamping jaws are arranged along the circumferential direction of the shell and are configured to move towards the direction close to or far away from the shell so as to clamp or loosen a fuel pump clamping ring, the ratchet crank mechanism is used for driving each clamping jaw to move towards the direction close to or far away from the shell when the knob rotates, and the ratchet locking mechanism is used for limiting the ratchet crank mechanism to drive the plurality of clamping jaws to move towards the direction close to the shell or removing the limitation. The application provides a telescopic automobile fuel pump assembly and disassembly tools can be very convenient with fuel pump snap ring joint or separation to high efficiency carries out the dismouting operation of fuel pump.
Description
Technical Field
The application relates to the field of automobile maintenance, in particular to a telescopic automobile fuel pump disassembling tool.
Background
The automobile fuel pump is assembled in a fuel tank of an automobile and used for continuously supplying fuel in the fuel tank to an engine and feeding back the residual fuel quantity in the fuel tank to a key component of a meter in real time. When the fuel supply operation of the fuel pump is abnormal or the feedback of the fuel quantity sensor is abnormal, the fuel pump needs to be checked, maintained and replaced.
With the upgrade of national regulations and regulations, the existing fuel pump is usually fixed in a fuel tank by adopting a Cam-Lock assembly structure, the assembly structure is large, a tool with fixed size cannot be used for directly disassembling and assembling the fuel pump through a vehicle body access hole, the fuel tank must be disassembled first, then the fuel pump is disassembled, and the operation is very inconvenient, and manpower and working hours are wasted when the existing maintenance tool is adopted for operation.
Disclosure of Invention
An object of this application is to provide a telescopic car fuel pump assembly and disassembly tools, its can be very convenient with fuel pump snap ring joint or separation to high efficiency carries out the dismouting operation of fuel pump.
The embodiment of the application is realized as follows:
the embodiment of the application provides a telescopic car fuel pump assembly and disassembly tools, it includes:
a housing;
the knob is rotatably connected to the shell;
the clamping jaws are arranged along the circumferential direction of the shell and are configured to move towards the direction close to or away from the shell so as to clamp or release the fuel pump clamping ring;
the ratchet crank mechanism is used for driving each clamping jaw to move towards or away from the shell when the knob rotates;
and the ratchet locking mechanism is used for limiting the ratchet crank mechanism to drive the plurality of jaws to move towards the direction close to the shell or releasing the limitation.
In some optional embodiments, the ratchet crank mechanism comprises a ratchet wheel coaxially connected with the knob and a plurality of connecting rods corresponding to the jaws one by one, one end of each connecting rod is respectively connected with the ratchet wheel, and the other end of each connecting rod is hinged with the corresponding jaw.
In some optional embodiments, the ratchet locking mechanism comprises a locking handle, a locking ratchet and a locking shaft rotatably connected to the housing, two ends of the locking shaft are respectively connected to the locking handle and the locking ratchet, and the locking handle rotates to drive the locking ratchet to press or stop pressing the ratchet.
In some optional embodiments, each jaw is provided with a connecting column hinged with the corresponding connecting rod, the shell is further provided with positioning grooves in one-to-one correspondence with the connecting columns, and the ratchet wheel drives the connecting columns to move along the corresponding positioning grooves when rotating.
In some optional embodiments, the outer peripheral wall of the housing is provided with sliding grooves corresponding to the claws one to one, and one ends of the claws are slidably arranged in the corresponding sliding grooves.
In some optional embodiments, the clamping jaws are L-shaped, one end of each clamping jaw is slidably inserted into the corresponding sliding groove, and the other end of each clamping jaw is provided with a T-shaped claw tip used for being clamped with the fuel pump clamping ring.
In some alternative embodiments, a coaxially disposed nut is attached to the knob.
The beneficial effect of this application is: the telescopic automobile fuel pump assembling and disassembling tool provided by the embodiment comprises a shell, a knob, a plurality of clamping jaws, a ratchet crank mechanism and a ratchet locking mechanism, wherein the knob is rotatably connected to the shell, the plurality of clamping jaws are arranged along the circumferential direction of the shell and are configured to move towards the direction close to or away from the shell so as to clamp or loosen a fuel pump clamping ring, the ratchet crank mechanism is used for driving each clamping jaw to move towards the direction close to or away from the shell when the knob rotates, and the ratchet locking mechanism is used for limiting the ratchet crank mechanism to drive the plurality of clamping jaws to move towards the direction close to the shell or releasing the limitation. The telescopic automobile fuel pump assembly and disassembly tools that this embodiment provided can be very convenient with fuel pump snap ring joint or separation to high efficiency carries out the dismouting operation of fuel pump.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic structural diagram of a retractable automobile fuel pump assembling and disassembling tool provided by an embodiment of the application;
FIG. 2 is an exploded view of a retractable automotive fuel pump assembly/disassembly tool provided in accordance with an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of the telescopic automobile fuel pump assembling and disassembling tool provided by the embodiment of the application with a lower shell and a claw omitted;
FIG. 4 is a schematic structural diagram of the telescopic automobile fuel pump assembling and disassembling tool provided by the embodiment of the application, wherein a shell, a nut and a ratchet locking mechanism are omitted;
FIG. 5 is a schematic view of the retractable automobile fuel pump assembling and disassembling tool provided by the embodiment of the application in use.
In the figure: 100. a housing; 110. a knob; 120. a claw; 130. positioning a groove; 140. a sliding groove; 150. a claw tip; 160. a nut; 170. an upper housing; 180. a lower housing; 190. a bolt; 200. a ratchet crank mechanism; 210. a ratchet wheel; 220. a connecting shaft; 230. a connecting rod; 240. connecting columns; 300. a ratchet locking mechanism; 310. locking the handle; 320. a locking ratchet; 330. a locking shaft; 400. a fuel pump snap ring; 410. fixing grooves; 420. a fuel pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The features and performance of the retractable automotive fuel pump disassembly tool of the present application are described in further detail below in conjunction with the examples.
As shown in fig. 1, 2, 3, 4 and 5, the present application provides a retractable tool for assembling and disassembling an automotive fuel pump, which includes a disc-shaped housing 100, a nut 160, a knob 110, three L-shaped jaws 120, a ratchet crank mechanism 200 and a ratchet locking mechanism 300.
The fuel pump clamping ring 400 is arranged on the shell 100, the shell 100 is formed by detachably connecting an upper shell 170 and a lower shell 180 which are arranged up and down through three bolts 190, the upper surface of the lower shell 180 is provided with three sliding grooves 140 corresponding to the clamping jaws 120, the three sliding grooves 140 are spirally arranged at intervals in a triangular shape along the circumferential direction of the shell 100 and respectively penetrate through the outer circumferential wall of the lower shell 180, one ends of the three clamping jaws 120 are respectively arranged in the corresponding sliding grooves 140 in a sliding mode, the other ends of the three clamping jaws 120 extend out of the shell 100 and are provided with T-shaped claw tips 150 used for being clamped with the fuel pump clamping ring 400, and the tops of the three clamping;
a space for accommodating the ratchet crank mechanism 200 and the ratchet locking mechanism 300 is formed between the upper shell 170 and the lower shell 180, the ratchet crank mechanism 200 comprises a ratchet 210 and three connecting rods 230 which are in one-to-one correspondence with the jaws 120, the three connecting rods 230 are arranged at intervals along the circumferential direction of the ratchet 210, one end of each connecting rod 230 is connected with the bottom surface of the ratchet 210, the other end of each connecting rod 230 is hinged with a connecting column 240 on the corresponding jaw 120, the upper shell 170 is connected with a connecting shaft 220 which can rotate and is coaxially arranged, one end of each connecting shaft 220 penetrates through the upper surface of the upper shell 170 and is connected with a knob 110, the other end of each connecting shaft penetrates through the space between the upper shell 170 and the lower shell 180 and is connected with the ratchet 210, one end of each connecting shaft 220 penetrating through the upper shell; when the ratchet wheel 210 rotates, the connecting rod 230 drives the connecting column 240 to move along the corresponding positioning slot 130, and the corresponding claw 120 moves towards the direction close to or far away from the shell 100 along the sliding slot 140 to clamp or release the fuel pump snap ring 400; the ratchet locking mechanism 300 includes a locking shaft 330 rotatably connected to the upper housing 170, one end of the locking shaft 330 penetrates the upper surface of the upper housing 170 and is connected to a locking handle 310, the other end penetrates between the upper housing 170 and the lower housing 180 and is connected to a locking ratchet 320, and the locking handle 310 drives the locking ratchet 320 to press or stop pressing the ratchet 210 when rotating, so that the ratchet 210 can only drive the pawl 120 to move toward the housing 100 or release the limitation.
The retractable automobile fuel pump assembling and disassembling tool provided by this embodiment can be conveniently clamped with or separated from the fuel pump snap ring 400, so as to quickly and efficiently perform the assembling and disassembling operation of the fuel pump 420, when the tool works, a user firstly rotates the locking handle 310 to drive the locking shaft 330 and the locking ratchet 320 to rotate and stop pressing against the locking ratchet 210, so that the ratchet 210 can normally rotate left and right, then the user rotates the knob 110 to drive the connecting shaft 220 and the ratchet 210 to rotate, and drives the three connecting rods 230 to rotate to push the three jaws 120 to move and contract towards the direction close to the housing 100 along the sliding groove 140 when the ratchet 210 rotates, so that the user can conveniently pass the retractable automobile fuel pump assembling and disassembling tool through a small automobile body access opening, and then repeats the above process to drive the three connecting rods 230 to rotate so as to push the three jaws 120 to move towards or away from, until the three clamping jaws 120 are clamped on the outer wall of the fuel pump snap ring 400, at this time, a user rotates the locking handle 310 reversely to drive the locking shaft 330 and the locking ratchet 320 to rotate and press against the locking ratchet 210, the ratchet 210 is locked unidirectionally and can only drive the three connecting rods 230 to rotate and push the three clamping jaws 120 to move towards the direction close to the casing 100 along the sliding groove 140, at this time, the user can fix the wrench on the nut 160 to drive the casing 100 and the fuel pump snap ring 400 to rotate, it is ensured that the clamping jaws 120 are only tightened and locked on the fuel pump snap ring 400 inwards when the wrench rotates, the situation that the clamping jaws 120 and the fuel pump snap ring 400 are loosened due to misoperation in the operation process is avoided, the stable operation of disassembly and assembly is ensured, and disassembly operations can be carried out, and the user can rotate the locking handle 310 at any time to drive the locking shaft 330 and the ratchet locking ratchet 320 to rotate, so that the user rotates the knob 110 to move the three claws 120 along the sliding grooves 140 in a direction away from the housing 100 to release the fuel pump retainer ring 400.
In addition, the upper surface of the lower housing 180 is provided with three sliding grooves 140 corresponding to the jaws 120 and penetrating through the outer peripheral wall of the lower housing 180, and the lower surface of the upper housing 170 is provided with three positioning grooves 130 corresponding to the connecting columns 240 one by one, so that when the jaws 120 are driven to move along the sliding grooves 140 by the ratchet crank mechanism 200 when the knob 110 is rotated, the positions of the jaws 120 are respectively limited by the sliding grooves 140 and the positioning grooves 130, and the jaws 120 are ensured to stably move towards or away from the housing 100 to lock or loosen the fuel pump snap ring 400; the end of the claw 120 extending out of the housing 100 is provided with a T-shaped claw tip 150 for clamping with the fuel pump snap ring 400, which can be clamped with a fixing groove 410 pre-arranged on the fuel pump snap ring 400, so as to improve the stability of clamping between the claw 120 and the fuel pump snap ring 400.
In other alternative embodiments, the number of the jaws 120 and the sliding grooves 140 may also be two, four, or more than four.
The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Claims (7)
1. The utility model provides a telescopic car fuel pump assembly and disassembly tools which characterized in that, it includes:
a housing;
a knob rotatably connected to the housing;
a plurality of claws arranged along the circumferential direction of the housing and configured to be movable toward or away from the housing to catch or release a fuel pump retainer ring;
the ratchet crank mechanism is used for driving each clamping jaw to move towards or away from the shell when the knob rotates;
and the ratchet locking mechanism is used for limiting the ratchet crank mechanism to drive the jaws to move towards the direction close to the shell or releasing the limitation.
2. The retractable automotive fuel pump disassembly and assembly tool of claim 1, wherein the ratchet crank mechanism comprises a ratchet wheel coaxially connected with the knob and a plurality of connecting rods in one-to-one correspondence with the jaws, one end of each connecting rod is connected with the ratchet wheel, and the other end of each connecting rod is hinged with the corresponding jaw.
3. The retractable automobile fuel pump disassembly and assembly tool of claim 2, wherein the ratchet locking mechanism comprises a locking handle, a locking ratchet and a locking shaft rotatably connected to the housing, two ends of the locking shaft are respectively connected to the locking handle and the locking ratchet, and the locking handle drives the locking ratchet to press or stop pressing the ratchet when rotating.
4. The retractable fuel pump assembly/disassembly tool of claim 2, wherein each of the claws has a connecting post hinged to the corresponding connecting rod, and the housing further has positioning slots corresponding to the connecting posts one by one, and the ratchet wheel rotates to drive the connecting posts to move along the corresponding positioning slots.
5. The telescopic automobile fuel pump disassembling tool as claimed in claim 1, wherein sliding grooves corresponding to the clamping jaws one to one are formed in the peripheral wall of the housing, and one ends of the clamping jaws are slidably arranged in the corresponding sliding grooves.
6. The retractable automobile fuel pump disassembling tool as claimed in claim 5, wherein the clamping jaws are L-shaped, one ends of the clamping jaws are slidably inserted into the corresponding sliding grooves, and the other ends of the clamping jaws are provided with T-shaped claw tips for being clamped with the fuel pump clamping ring.
7. The retractable automotive fuel pump disassembly tool of claim 1, wherein a coaxially disposed nut is attached to the knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010970870.7A CN112025607B (en) | 2020-09-16 | 2020-09-16 | Telescopic automobile fuel pump assembly and disassembly tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010970870.7A CN112025607B (en) | 2020-09-16 | 2020-09-16 | Telescopic automobile fuel pump assembly and disassembly tools |
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| Publication Number | Publication Date |
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| CN112025607A true CN112025607A (en) | 2020-12-04 |
| CN112025607B CN112025607B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010970870.7A Active CN112025607B (en) | 2020-09-16 | 2020-09-16 | Telescopic automobile fuel pump assembly and disassembly tools |
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Cited By (1)
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| CN112933429A (en) * | 2021-01-28 | 2021-06-11 | 中南大学湘雅医院 | Stereotactic radiation fixing equipment |
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