CN112012590A - Locking mechanism used on tractor hood and having automatic centering function - Google Patents
Locking mechanism used on tractor hood and having automatic centering function Download PDFInfo
- Publication number
- CN112012590A CN112012590A CN202010871525.8A CN202010871525A CN112012590A CN 112012590 A CN112012590 A CN 112012590A CN 202010871525 A CN202010871525 A CN 202010871525A CN 112012590 A CN112012590 A CN 112012590A
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- China
- Prior art keywords
- centering
- locking
- mounting groove
- groove
- plate
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B77/00—Vehicle locks characterised by special functions or purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/12—Parts or details thereof
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B79/00—Mounting or connecting vehicle locks or parts thereof
- E05B79/10—Connections between movable lock parts
- E05B79/22—Operative connections between handles, sill buttons or lock knobs and the lock unit
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
- E05B83/16—Locks for luggage compartments, car boot lids or car bonnets
- E05B83/24—Locks for luggage compartments, car boot lids or car bonnets for car bonnets
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
Abstract
The invention discloses a locking mechanism with an automatic centering function for a tractor hood, which comprises a hood body, a locking mechanism and a centering mechanism, wherein the hood body is provided with a hood body; the hood body is arranged at the end part of the tractor and comprises a top cover and a hood body, the top cover is positioned right above the hood body, and the top cover is connected with the hood body through a locking mechanism; the locking mechanisms are positioned on two sides of the hood body and comprise a first locking part and a second locking part, the first locking part is arranged on the side wall of the top cover and is of an L-shaped structure, the second locking part is arranged on the side wall of the hood body and is positioned right below the first locking part, and the second locking part is matched with the first locking part; the invention can conveniently mount and dismount the tractor hood; the safety of the tractor hood during installation and disassembly is guaranteed.
Description
Technical Field
The invention belongs to the technical field of tractors, and relates to a locking mechanism, in particular to a locking mechanism which is used on a tractor hood and has an automatic centering function.
Background
Tractors are a common piece of machinery that typically provides a tractor hood to protect the engine, often requiring the tractor hood to be opened when one needs to maintain the engine mounted within the tractor hood.
The reference CN2936881 discloses an unlocking and locking device for a tractor hood, which comprises a limiting plate fixed at the front end of the side of a tractor frame, a locking plate rotatably connected with the limiting plate, and a locking column fixedly connected with the tractor hood; the upper part of the lock plate is provided with a first open slot extending along the transverse direction, and the lock plate has a locking position for clamping the lock column into the first open slot and an opening position for separating the lock column from the first open slot when rotating; and the operating lever can enable the locking plate to rotate to an opening position, and a return spring which can enable the locking plate to tend to a locking position is arranged between the limiting plate and the locking plate or between the limiting plate and the operating lever.
Present tractor aircraft bonnet, its one end is connected with the tractor frame is articulated, the other end passes through the screw thread with the tractor frame and links to each other, like this when opening the tractor aircraft bonnet, need frequent screwing and loosen the screw, such structure not only operates inconveniently, and damage the screw thread after using for a long time easily, lead to last unable locking tractor aircraft bonnet, the problem of the normal use of tractor aircraft bonnet has seriously been influenced, when dismantling the tractor aircraft bonnet, casing or operating position high temperature, influence and normally dismantle, the problem of scald takes place for the protection not good even.
Disclosure of Invention
The invention aims to solve the problems that when the tractor hood is opened, a screw needs to be frequently screwed and loosened, the structure is inconvenient to operate, the screw is easy to damage after long-time use, the tractor hood cannot be locked finally, and the normal use of the tractor hood is seriously influenced.
The purpose of the invention can be realized by the following technical scheme:
a locking mechanism used on a tractor hood and having an automatic centering function comprises a hood body, a locking mechanism and a centering mechanism;
the hood body is arranged at the end part of the tractor and comprises a top cover and a hood body, the top cover is positioned right above the hood body, and the top cover is connected with the hood body through a locking mechanism;
the locking mechanisms are positioned on two sides of the hood body and comprise a first locking part and a second locking part, the first locking part is arranged on the side wall of the top cover and is of an L-shaped structure, the second locking part is arranged on the side wall of the hood body and is positioned right below the first locking part, and the second locking part is matched with the first locking part;
the first locking piece comprises heat conducting plates, heat radiating plates, a connecting shaft, a shell, a heat radiating cavity, a first mounting groove, a fixed rod, a limiting sliding plate, a limiting sliding sleeve, a first spring, a fixed pin, an operating rod and an operating handle, wherein the shell is of an L-shaped structure, the horizontal part of the shell is mounted on the outer wall of the top cover, two groups of heat conducting plates are arranged in the vertical part of the shell side by side, the first mounting groove is reserved between the two groups of heat conducting plates, two groups of limiting sliding plates are arranged in the first mounting groove side by side, the limiting sliding plates are sleeved on the outer wall of the fixed rod through the limiting sliding sleeve and are in sliding connection with the fixed rod, the bottom end of each limiting sliding plate is provided with the fixed pin, the fixed rod is arranged in two groups in parallel;
the second retaining member includes second mounting groove, pinhole, mount pad, extruded article, and the mount pad is installed on the lateral wall of the cover body, and the mount pad is provided with the second mounting groove with first mounting groove looks adaptation under the shell, be located the pinhole that is provided with and pins looks adaptation on the both sides of second mounting groove.
Preferably, the operating lever is symmetrically provided with two groups along the perpendicular bisector of the shell, one end of the operating lever sequentially penetrates through the shell, the heat dissipation plate and the heat conduction plate in a sliding mode and is connected with the limiting sliding plate, and the other end of the operating lever is provided with an operating handle.
Preferably, the heat conducting plate is provided with a heat radiating plate on the side wall close to the shell, the cross section of the heat radiating plate is of a U-shaped structure, the heat radiating plate is connected with the shell through a connecting shaft, and a U-shaped heat radiating cavity is preset between the heat radiating plate and the shell.
Preferably, the bottom of second mounting groove is provided with the extruded article, and the extruded article includes roof, telescopic link, second spring, and the bottom of second mounting groove is provided with two sets of telescopic links side by side, and the top and the roof of telescopic link are connected, and the inner wall sliding connection of roof and second mounting groove is equipped with the second spring on the outer wall of telescopic link, and the both ends of second spring are connected with the bottom surface of second mounting groove and the bottom surface of roof respectively.
Preferably, centering mechanism is located the both sides of aircraft bonnet body, and centering mechanism is not in on same lateral wall with locking mechanism, and centering mechanism includes mounting panel, centering rod, locating piece, centering groove, and the mounting panel setting is on the lateral wall of top cap, and the vertical centering rod that is provided with on the mounting panel, is provided with the locating piece under the mounting panel, and the locating piece is installed on the lateral wall of the cover body, is provided with the centering groove with centering rod looks adaptation in the locating piece.
Preferably, the centering groove consists of a conical groove and a cylindrical groove, the conical groove is positioned above the cylindrical groove and communicated with the cylindrical groove, the diameter of the top of the conical groove is larger than that of the bottom of the conical groove, and the inner diameter of the cylindrical groove is matched with the outer diameter of the centering rod.
Preferably, the housing, the operating rod and the operating handle are all made of thermal insulation materials.
Preferably, the use method of the locking mechanism with the self-centering function for the tractor hood comprises the following steps:
s1, firstly, inserting the centering rod into the centering groove of the positioning block, and centering and mounting the first locking piece and the second locking piece; by pressing the operating handle, one end of the operating rod sequentially penetrates through the shell, the heat dissipation plate and the heat conduction plate and is connected with the limiting sliding plates, so that two groups of limiting sliding plates are close to each other and move along the fixed rod, then the first locking piece downwards moves under the guiding action of the centering rod, so that the fixed pins on the limiting sliding plates and the limiting sliding plates move into the second mounting groove of the second locking piece, and the pin holes matched with the fixed pins are arranged on two sides of the second mounting groove, so that the fixed pins move into the pin holes in the second mounting groove under the elastic action of the first spring when the external force of the operating handle is released, so that the top cover is mounted in the cover body through the arranged locking mechanism, and the top plate extrudes the fixed pins under the action of the second spring due to the extrusion piece arranged at the bottom of the second mounting groove, so that the fixing pin is firmly installed in the pin hole;
s2, when the cover body needs to be opened, press the operation handle, make two sets of spacing slides be close to each other along the dead lever and remove, thereby make the fixed pin shift out from the pinhole in the second mounting groove, because the bottom of second mounting groove is provided with the extruded article, the bottom of second mounting groove is provided with two sets of telescopic links side by side, the top and the roof of telescopic link are connected, the inner wall sliding connection of roof and second mounting groove, the cover is equipped with the second spring on the outer wall of telescopic link, the both ends of second spring are connected with the bottom surface of second mounting groove and the bottom surface of roof respectively, make under the elastic force of second spring, in the ejecting second mounting groove of first locking piece, thereby open the top cap on.
Compared with the prior art, the invention has the beneficial effects that: the method comprises the following steps that firstly, a centering rod is inserted into a centering groove of a positioning block, and a first locking piece and a second locking piece are installed in a centering mode; by pressing the operating handle, one end of the operating rod sequentially penetrates through the shell, the heat dissipation plate and the heat conduction plate and is connected with the limiting sliding plates, so that two groups of limiting sliding plates are close to each other and move along the fixed rod, then the first locking piece downwards moves under the guiding action of the centering rod, so that the fixed pins on the limiting sliding plates and the limiting sliding plates move into the second mounting groove of the second locking piece, and the pin holes matched with the fixed pins are arranged on two sides of the second mounting groove, so that the fixed pins move into the pin holes in the second mounting groove under the elastic action of the first spring when the external force of the operating handle is released, so that the top cover is mounted in the cover body through the arranged locking mechanism, and the top plate extrudes the fixed pins under the action of the second spring due to the extrusion piece arranged at the bottom of the second mounting groove, so that the fixing pin is firmly installed in the pin hole;
when the cover body needs to be opened, the operating handle is pressed, so that the two groups of limiting sliding plates move close to each other along the fixed rod, the fixed pin moves out of the pin hole in the second mounting groove, the bottom of the second mounting groove is provided with the extrusion part, the bottom of the second mounting groove is provided with the two groups of telescopic rods side by side, the top ends of the telescopic rods are connected with the top plate, the top plate is in sliding connection with the inner wall of the second mounting groove, the outer wall of each telescopic rod is sleeved with a second spring, and the two ends of each second spring are respectively connected with the bottom surface of the second mounting groove and the bottom surface of the top plate, so that the first locking part is pushed out of the second mounting groove under the; the arranged locking mechanism can be used for conveniently mounting and dismounting the tractor hood; the tractor hood solves the problems that one end of the existing tractor hood is hinged with the tractor frame, and the other end of the existing tractor hood is connected with the tractor frame through threads, so that when the tractor hood is opened, screws need to be frequently screwed and loosened, the structure is inconvenient to operate, and the threads are easily damaged after long-time use, so that the tractor hood cannot be locked finally, and the normal use of the tractor hood is seriously influenced;
because the shell, the action bars, the operation handle is made by thermal insulation material, be provided with two sets of heat-conducting plates side by side in the vertical portion of shell, the heat-conducting plate is close to and installs the heating panel on the lateral wall of shell, the cross-section of heating panel is the U-shaped structure, the heating panel passes through the connecting axle and is connected with the shell, the heat dissipation chamber of U-shaped has been preset between heating panel and the shell, make in the tractor aircraft bonnet engine during operation produce the heat and discharge from the heat dissipation chamber, and can not transmit on shell and the operation handle, and then guarantee the security when installing and dismantling tractor aircraft bonnet, avoid when dismantling the tractor aircraft bonnet, casing or operating position high temperature, influence and normally dismantle, the problem of scald is not well and takes place even in.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic overall perspective structure of the present invention.
Fig. 2 is a schematic perspective view of the hood body according to the present invention.
Fig. 3 is a schematic view of the first securing member of the present invention.
Fig. 4 is a schematic structural view of the second locking member of the present invention.
Fig. 5 is a schematic structural view of the centering mechanism of the present invention.
In the figure: 1. a tractor; 2. a hood body; 3. a top cover; 4. a cover body; 5. a locking mechanism; 6. a centering mechanism; 7. a first locking member; 8. a second locking member; 9. a heat conducting plate; 10. a heat dissipation plate; 11. a connecting shaft; 12. a housing; 13. a heat dissipation cavity; 14. a first mounting groove; 15. fixing the rod; 16. a limiting sliding plate; 17. a limiting sliding sleeve; 18. a first spring; 19. a fixing pin; 20. an operating lever; 21. an operating handle; 22. a second mounting groove; 23. a pin hole; 24. a mounting seat; 25. a top plate; 26. a telescopic rod; 27. a second spring; 28. mounting a plate; 29. a centering rod; 30. positioning blocks; 31. a centering groove.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Referring to fig. 1-5, a locking mechanism with self-centering function for a tractor hood includes a hood body 2, a locking mechanism 5, and a centering mechanism 6;
the hood body 2 is arranged on the end part of the tractor 1, the hood body 2 comprises a top cover 3 and a hood body 4, the top cover 3 is positioned right above the hood body 4, and the top cover 3 is connected with the hood body 4 through a locking mechanism 5;
the locking mechanisms 5 are positioned at two sides of the hood body 2, each locking mechanism 5 comprises a first locking piece 7 and a second locking piece 8, the first locking pieces 7 are arranged on the side walls of the top cover 3, the first locking pieces 7 are L-shaped structures, the second locking pieces 8 are arranged on the side walls of the hood body 4, the second locking pieces 8 are positioned right below the first locking pieces 7, and the second locking pieces 8 are matched with the first locking pieces 7;
the first locking part 7 comprises heat conducting plates 9, heat radiating plates 10, a connecting shaft 11, a shell 12, a heat radiating cavity 13, a first mounting groove 14, a fixing rod 15, a limiting sliding plate 16, a limiting sliding sleeve 17, a first spring 18, a fixing pin 19, an operating rod 20 and an operating handle 21, wherein the shell 12 is of an L-shaped structure, the horizontal part of the shell 12 is arranged on the outer wall of the top cover 3, two groups of heat conducting plates 9 are arranged in the vertical part of the shell 12 side by side, the first mounting groove 14 is reserved between the two groups of heat conducting plates 9, two groups of limiting sliding plates 16 are arranged in the first mounting groove 14 side by side, the limiting sliding plates 16 are sleeved on the outer wall of the fixing rod 15 through the limiting sliding sleeve 17 and are in sliding connection with the fixing rod 15, the fixing pin 19 is arranged at the bottom end of the limiting sliding plates 16, two groups of fixing rods, two ends of the first spring 18 are respectively connected with the limiting sliding sleeve 17;
the second locking piece 8 comprises a second mounting groove 22, a pin hole 23, a mounting seat 24 and an extrusion piece, the mounting seat 24 is mounted on the side wall of the cover body 4, the mounting seat 24 is located under the shell 12, the second mounting groove 22 matched with the first mounting groove 14 is arranged in the mounting seat 24, and the pin hole 23 matched with the fixing pin 19 is arranged on two sides of the second mounting groove 22.
Two groups of operating rods 20 are symmetrically arranged along the perpendicular bisector of the shell 12, one end of each operating rod 20 sequentially penetrates through the shell 12, the heat dissipation plate 10 and the heat conduction plate 9 in a sliding mode and is connected with the limiting sliding plate 16, and an operating handle 21 is arranged at the other end of each operating rod 20.
The side wall of the heat conducting plate 9 close to the shell 12 is provided with a heat dissipation plate 10, the section of the heat dissipation plate 10 is of a U-shaped structure, the heat dissipation plate 10 is connected with the shell 12 through a connecting shaft 11, and a U-shaped heat dissipation cavity 13 is preset between the heat dissipation plate 10 and the shell 12.
The bottom of second mounting groove 22 is provided with the extruded article, the extruded article includes roof 25, telescopic link 26, second spring 27, the bottom of second mounting groove 22 is provided with two sets of telescopic link 26 side by side, the top and the roof 25 of telescopic link 26 are connected, the inner wall sliding connection of roof 25 and second mounting groove 22, the cover is equipped with second spring 27 on the outer wall of telescopic link 26, the both ends of second spring 27 are connected with the bottom surface of second mounting groove 22 and the bottom surface of roof 25 respectively.
Centering mechanism 6 is located the both sides of aircraft bonnet body 2, and centering mechanism 6 is not on same lateral wall with locking mechanism 5, and centering mechanism 6 includes mounting panel 28, centering rod 29, locating piece 30, centering groove 31, and mounting panel 28 sets up on the lateral wall of top cap 3, and the vertical centering rod 29 that is provided with on mounting panel 28, is provided with locating piece 30 under mounting panel 28, and locating piece 30 installs on the lateral wall of the cover body 4, is provided with the centering groove 31 with centering rod 29 looks adaptation in the locating piece 30.
The centering groove 31 is composed of a conical groove and a cylindrical groove, the conical groove is positioned above the cylindrical groove and communicated with the cylindrical groove, the diameter of the top of the conical groove is larger than that of the bottom of the conical groove, and the inner diameter of the cylindrical groove is matched with the outer diameter of the centering rod 29.
The housing 12, the operating rod 20, and the operating handle 21 are all made of a thermally insulating material.
The use method of the locking mechanism used on the tractor hood and having the automatic centering function comprises the following steps:
s1, firstly, inserting the centering rod 29 into the centering groove 31 of the positioning block 30, and centering and installing the first locking piece 7 and the second locking piece 8; by pressing the operation handle 21, since one end of the operation rod 20 is sequentially slid through the housing 12, the heat radiating plate 10 and the heat conducting plate 9 and connected to the limit slide plate 16, so that the two sets of limit slide plates 16 move closer to each other along the fixing rod 15, and then the first locking member 7 moves downward by the guiding action of the centering rod 29, so that the limit slide plate 16 and the fixing pin 19 on the limit slide plate 16 move into the second mounting groove 22 of the second locking member 8, since the pin holes 23 adapted to the fixing pin 19 are provided on both sides of the second mounting groove 22, when the external force of the operation handle 21 is released, so that the fixing pin 19 moves into the pin hole 23 in the second mounting groove 22 under the elastic force of the first spring 18, and then the top cover 3 is mounted into the cover body 4 by the locking mechanism 5 being provided, and since the bottom of the second extrusion piece 22 is provided, the top plate 25 is pressed against the fixing pin 19 under the action of the second spring 27, so that the fixing pin 19 is firmly mounted in the pin hole 23;
s2, when the cover body 4 needs to be opened, the operating handle 21 is pressed, two groups of limiting sliding plates 16 move close to each other along the fixing rod 15, the fixing pin 19 moves out of the pin hole 23 in the second mounting groove 22, an extrusion part is arranged at the bottom of the second mounting groove 22, two groups of telescopic rods 26 are arranged at the bottom of the second mounting groove 22 side by side, the top ends of the telescopic rods 26 are connected with the top plate 25, the top plate 25 is connected with the inner wall of the second mounting groove 22 in a sliding mode, the second spring 27 is sleeved on the outer wall of each telescopic rod 26, two ends of each second spring 27 are respectively connected with the bottom surface of the corresponding second mounting groove 22 and the bottom surface of the corresponding top plate 25, the first locking piece 7 is pushed out of the corresponding second mounting groove 22 under the elastic acting force of the corresponding.
The working principle of the invention is as follows: firstly, a centering rod 29 is inserted into a centering groove 31 of a positioning block 30, and a first locking member 7 and a second locking member 8 are installed in a centering mode; by pressing the operation handle 21, since one end of the operation rod 20 is sequentially slid through the housing 12, the heat radiating plate 10 and the heat conducting plate 9 and connected to the limit slide plate 16, so that the two sets of limit slide plates 16 move closer to each other along the fixing rod 15, and then the first locking member 7 moves downward by the guiding action of the centering rod 29, so that the limit slide plate 16 and the fixing pin 19 on the limit slide plate 16 move into the second mounting groove 22 of the second locking member 8, since the pin holes 23 adapted to the fixing pin 19 are provided on both sides of the second mounting groove 22, when the external force of the operation handle 21 is released, so that the fixing pin 19 moves into the pin hole 23 in the second mounting groove 22 under the elastic force of the first spring 18, and then the top cover 3 is mounted into the cover body 4 by the locking mechanism 5 being provided, and since the bottom of the second extrusion piece 22 is provided, the top plate 25 is pressed against the fixing pin 19 under the action of the second spring 27, so that the fixing pin 19 is firmly mounted in the pin hole 23;
when the cover body 4 needs to be opened, the operating handle 21 is pressed, so that the two groups of limiting sliding plates 16 move close to each other along the fixing rod 15, the fixing pin 19 moves out of the pin hole 23 in the second mounting groove 22, because the bottom of the second mounting groove 22 is provided with an extrusion part, the bottom of the second mounting groove 22 is provided with two groups of telescopic rods 26 side by side, the top ends of the telescopic rods 26 are connected with the top plate 25, the top plate 25 is connected with the inner wall of the second mounting groove 22 in a sliding manner, the outer wall of the telescopic rods 26 is sleeved with a second spring 27, and the two ends of the second spring 27 are respectively connected with the bottom surface of the second mounting groove 22 and the bottom surface of the top plate 25, so that the first locking part 7 is pushed out of the second mounting groove 22 under the elastic;
the arranged locking mechanism 5 can be used for conveniently mounting and dismounting the tractor hood; the tractor hood solves the problems that one end of the existing tractor hood is hinged with the tractor frame, and the other end of the existing tractor hood is connected with the tractor frame through threads, so that when the tractor hood is opened, screws need to be frequently screwed and loosened, the structure is inconvenient to operate, and the threads are easily damaged after long-time use, so that the tractor hood cannot be locked finally, and the normal use of the tractor hood is seriously influenced;
because shell 12, action bars 20, the operation handle 21 is made by thermal insulation material, be provided with two sets of heat-conducting plates 9 in the vertical portion of shell 12 side by side, heat-conducting plate 9 is close to and installs heating panel 10 on the lateral wall of shell 12, the cross-section of heating panel 10 is the U-shaped structure, heating panel 10 is connected with shell 12 through connecting axle 11, heat dissipation chamber 13 that has the U-shaped has been preset between heating panel 10 and the shell 12, make the interior engine during operation of tractor aircraft bonnet produce the heat and discharge from heat dissipation chamber 13, and can not transmit on shell 12 and the operation handle 21, and then guarantee the security when installing the dismantlement to tractor aircraft bonnet, avoid when dismantling the tractor aircraft bonnet, casing or operating position high temperature, influence normal dismantlement, the problem of scald does not take place for the protection well even.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a locking mechanism that is used for tractor hood and has self-centering function which characterized in that: comprises a hood body (2), a locking mechanism (5) and a centering mechanism (6);
the hood body (2) is arranged at the end part of the tractor (1), the hood body (2) comprises a top cover (3) and a hood body (4), the top cover (3) is positioned right above the hood body (4), and the top cover (3) is connected with the hood body (4) through a locking mechanism (5);
the locking mechanisms (5) are positioned on two sides of the hood body (2), each locking mechanism (5) comprises a first locking piece (7) and a second locking piece (8), the first locking pieces (7) are arranged on the side wall of the top cover (3), the first locking pieces (7) are of L-shaped structures, the second locking pieces (8) are arranged on the side wall of the hood body (4), the second locking pieces (8) are positioned right below the first locking pieces (7), and the second locking pieces (8) are matched with the first locking pieces (7);
the first locking piece (7) comprises heat conducting plates (9), heat radiating plates (10), a connecting shaft (11), a shell (12), a heat radiating cavity (13), a first mounting groove (14), a fixing rod (15), limiting sliding plates (16), a limiting sliding sleeve (17), a first spring (18), fixing pins (19), an operating rod (20) and an operating handle (21), wherein the shell (12) is of an L-shaped structure, the horizontal part of the shell (12) is installed on the outer wall of the top cover (3), two groups of heat conducting plates (9) are arranged in the vertical part of the shell (12) side by side, the first mounting groove (14) is reserved between the two groups of heat conducting plates (9), two groups of limiting sliding plates (16) are arranged in the first mounting groove (14) side by side, the limiting sliding plates (16) are sleeved on the outer wall of the fixing rod (15) through the limiting sliding sleeve (17) and are in sliding connection with the fixing rod (, two groups of fixing rods (15) are arranged in parallel, two ends of each fixing rod (15) are respectively connected with the heat-conducting plates (9), a first spring (18) is sleeved on the outer wall of each fixing rod (15), and two ends of each first spring (18) are respectively connected with the limiting sliding sleeves (17);
second retaining member (8) include second mounting groove (22), pinhole (23), mount pad (24), extruded article, and mount pad (24) are installed on the lateral wall of the cover body (4), and mount pad (24) are located shell (12) under, are provided with second mounting groove (22) with first mounting groove (14) looks adaptation in mount pad (24), are located to be provided with pinhole (23) with fixed pin (19) looks adaptation on the both sides of second mounting groove (22).
2. The locking mechanism with the self-centering function for the tractor hood as claimed in claim 1, wherein the operating levers (20) are symmetrically arranged in two groups along the perpendicular bisector of the housing (12), one end of the operating lever (20) penetrates through the housing (12), the heat dissipating plate (10) and the heat conducting plate (9) in a sliding manner in sequence and is connected with the limit sliding plate (16), and the other end of the operating lever (20) is provided with an operating handle (21).
3. The locking mechanism with the self-centering function for the tractor hood as claimed in claim 1, wherein the heat conducting plate (9) is provided with a heat dissipating plate (10) on the side wall close to the housing (12), the heat dissipating plate (10) has a U-shaped cross section, the heat dissipating plate (10) is connected with the housing (12) through a connecting shaft (11), and a U-shaped heat dissipating cavity (13) is preset between the heat dissipating plate (10) and the housing (12).
4. The locking mechanism used on the tractor hood and having the automatic centering function according to claim 1, characterized in that an extrusion piece is arranged at the bottom of the second installation groove (22), the extrusion piece comprises a top plate (25), a telescopic rod (26) and a second spring (27), two groups of telescopic rods (26) are arranged at the bottom of the second installation groove (22) side by side, the top end of the telescopic rod (26) is connected with the top plate (25), the top plate (25) is connected with the inner wall of the second installation groove (22) in a sliding manner, the second spring (27) is sleeved on the outer wall of the telescopic rod (26), and two ends of the second spring (27) are respectively connected with the bottom surface of the second installation groove (22) and the bottom surface of the top plate (25).
5. The locking mechanism used on the tractor hood and having the automatic centering function is characterized in that the centering mechanism (6) is located on two sides of the hood body (2), the centering mechanism (6) and the locking mechanism (5) are not located on the same side wall, the centering mechanism (6) comprises a mounting plate (28), a centering rod (29), a positioning block (30) and a centering groove (31), the mounting plate (28) is arranged on the side wall of the top cover (3), the centering rod (29) is vertically arranged on the mounting plate (28), a positioning block (30) is arranged right below the mounting plate (28), the positioning block (30) is arranged on the side wall of the hood body (4), and the centering groove (31) matched with the centering rod (29) is arranged in the positioning block (30).
6. A locking mechanism with self-centering function for tractor hood according to claim 5 is characterized in that the centering groove (31) is composed of a conical groove and a cylindrical groove, the conical groove is positioned above the cylindrical groove and communicated with the cylindrical groove, the top diameter of the conical groove is larger than the bottom diameter of the conical groove, and the inner diameter of the cylindrical groove is matched with the outer diameter of the centering rod (29).
7. A locking mechanism with self-centring function for tractor hoods according to claim 2 characterized in that the casing (12), the operating rod (20) and the operating handle (21) are made of thermally insulating material.
8. A locking mechanism with self-centering function for tractor hood according to any one of claims 1 to 7, characterized in that the method of using the locking mechanism with self-centering function for tractor hood comprises the following steps:
s1, firstly, inserting the centering rod (29) into the centering groove (31) of the positioning block (30) and centering and installing the first locking piece (7) and the second locking piece (8); by pressing the operating handle (21), one end of the operating rod (20) sequentially penetrates through the shell (12), the heat dissipation plate (10) and the heat conduction plate (9) in a sliding manner and is connected with the limiting sliding plates (16), so that the two groups of limiting sliding plates (16) move close to each other along the fixing rod (15), then the first locking piece (7) moves downwards through the guiding action of the centering rod (29), so that the limiting sliding plates (16) and the fixing pins (19) on the limiting sliding plates (16) move into the second mounting groove (22) of the second locking piece (8), and as the pin holes (23) matched with the fixing pins (19) are arranged on the two sides of the second mounting groove (22), when the external force of the operating handle (21) is released, the fixing pins (19) are moved into the pin holes (23) in the second mounting groove (22) under the elastic action force of the first spring (18), then, the top cover (3) is installed in the cover body (4) through the arranged locking mechanism (5), and the bottom of the second installation groove (22) is provided with an extrusion piece, so that the top plate (25) extrudes the fixing pin (19) under the action of a second spring (27), and the fixing pin (19) is firmly installed in the pin hole (23);
s2, when the cover body (4) needs to be opened, the operating handle (21) is pressed, two groups of limiting sliding plates (16) move close to each other along the fixing rod (15), so that the fixing pin (19) moves out of the pin hole (23) in the second mounting groove (22), because the bottom of the second mounting groove (22) is provided with the extrusion part, the bottom of the second mounting groove (22) is provided with two groups of telescopic rods (26) side by side, the top end of each telescopic rod (26) is connected with the top plate (25), the top plate (25) is in sliding connection with the inner wall of the second mounting groove (22), the outer wall of each telescopic rod (26) is sleeved with a second spring (27), the two ends of each second spring (27) are respectively connected with the bottom surface of the second mounting groove (22) and the bottom surface of the top plate (25), so that the first locking part (7) is ejected out of the second mounting groove (22) under the elastic acting, thereby opening the top cover (3) on the cover body (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010871525.8A CN112012590B (en) | 2020-08-26 | 2020-08-26 | Locking mechanism used on tractor hood and having automatic centering function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010871525.8A CN112012590B (en) | 2020-08-26 | 2020-08-26 | Locking mechanism used on tractor hood and having automatic centering function |
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| CN112012590A true CN112012590A (en) | 2020-12-01 |
| CN112012590B CN112012590B (en) | 2021-06-15 |
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| CN210882336U (en) * | 2019-10-28 | 2020-06-30 | 攸县金田园水稻种植专业合作社 | Convenient-to-detach hood for wheeled tractor |
| EP3470309B1 (en) * | 2017-10-10 | 2020-07-15 | Kubota Corporation | Work vehicle |
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- 2020-08-26 CN CN202010871525.8A patent/CN112012590B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573053A (en) * | 2013-11-18 | 2014-02-12 | 庄淑涵 | Card-inserted-type strip-shaped luggage lock |
| CN105155948A (en) * | 2015-09-30 | 2015-12-16 | 新达通科技股份有限公司 | Safety lock mechanism |
| EP3470309B1 (en) * | 2017-10-10 | 2020-07-15 | Kubota Corporation | Work vehicle |
| CN209277720U (en) * | 2018-08-08 | 2019-08-20 | 向荣集团有限公司 | A kind of the switchgear lockset and switchgear of easy locking |
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| Publication number | Publication date |
|---|---|
| CN112012590B (en) | 2021-06-15 |
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