CN218112576U - Wiper helical gear convenient to installation - Google Patents

Abstract

The utility model relates to the technical field of gears, and a wiper helical gear convenient to installation is disclosed, including the gear shaft, the top of gear shaft is provided with the wiper main part, the outside of gear shaft is provided with the helical gear, the inside of helical gear is provided with quantity and just is the installation cavity that is located the gear shaft left and right sides respectively for two. This wiper helical gear convenient to installation, make its relative movement through promoting two sliders, twist afterwards and move two knobs and drive two locating pieces back of the body mutually and move, move out from the inside of constant head tank until the locating piece, this moment alright give the helical gear and dismantle, when needs are installed the helical gear, overlap the helical gear in the outside of gear shaft and reverse twisting respectively and move two knobs, drive two locating piece relative movement with this, make two locating pieces move respectively to the inside of two constant head tanks, thereby accomplish the installation to the helical gear, the purpose of the dismouting of being convenient for has finally been realized.

Description

Wiper helical gear convenient to installation

Technical Field

The utility model relates to the technical field of gears, specifically be a wiper helical gear convenient to installation.

Background

The windscreen wiper bevel gear is a gear used for an automobile windscreen wiper and used for transmission, most of the existing windscreen wiper bevel gears are fixedly connected with a gear shaft in a welding mode in the installation process and limited by equipment and operators, so that the windscreen wiper bevel gears are inconvenient to install, and the windscreen wiper bevel gears can only be detached in a cutting mode when detached, so that the windscreen wiper bevel gears are inconvenient to install.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a wiper helical gear convenient to installation possesses advantages such as the dismouting of being convenient for, has solved current wiper helical gear in the installation, mostly comes through welded mode with gear shaft fixed connection, receives equipment and operating personnel's restriction, leads to the wiper helical gear comparatively inconvenient at the in-process of installation to the wiper helical gear is when dismantling, can only come to demolish the wiper helical gear through the mode of cutting, very inconvenient problem.

(II) technical scheme

In order to realize the purpose of convenient disassembly and assembly, the utility model provides a following technical scheme: the utility model provides a wiper helical gear convenient to installation, includes the gear shaft, the top of gear shaft is provided with the wiper main part, the outside of gear shaft is provided with the helical gear, the inside of helical gear is provided with quantity and is two and respectively for the installation cavity that is located the gear shaft left and right sides, two all be provided with the movable plate that one end respectively extends to the laminating of two installation cavity opposite side inner walls between the upper and lower both sides of the inner wall of installation cavity, the left and right sides of gear shaft all is provided with the constant head tank that one end extends to two constant head tanks inside respectively, two the interior diapire of installation cavity all is provided with the threaded rod that is located two movable plate dorsal parts respectively and one end all extends to the helical gear top respectively, two the upper and lower both ends of installation cavity dorsal part inner wall all are provided with the movable block, the left and right sides the movable block respectively with the outside threaded connection of two threaded rods, the left and right sides the movable plate dorsal part swing joint's traction lever respectively with two movable plate respectively, two the top of helical gear shaft all is provided with the knob, the top left and right sides of helical gear shaft all are provided with the spout, two the spout inner wall that the spout extends to the other end respectively with the inside of the fixed threaded rod respectively and the fixed threaded rod and the other end of the limit screw rod subassembly that extend to the both sides respectively.

Preferably, the spacing subassembly includes the slider, two equal movable mounting has one end and its interior bottom wall swing joint's slider, two between the inner wall of spout around both sides the dorsal part of slider respectively with the laminating of the back of the body side inner wall of two spouts, two the opposite side of threaded rod is all seted up and is located two dorsal part of slider spacing grooves respectively, two the equal fixed mounting in back of the body side of the back of the body of slider has one end to extend to two inside gag lever post of spacing groove respectively, two the equal fixed mounting in opposite side of slider has one end respectively with two spout opposite side inner wall fixed connection's spacing spring.

Preferably, the guide grooves are formed in the bottoms of the left side and the right side of the inner wall of the bevel gear, and guide blocks, of which one ends extend to the insides of the two guide grooves respectively and are movably connected with the front side and the rear side of the inner wall of the guide grooves, are fixedly mounted on the left side and the right side of the gear shaft respectively.

Preferably, two the equal fixed mounting of the interior diapire of installation cavity has the bearing, the threaded rod passes through the bearing and is connected with the interior diapire rotation of installation cavity.

Preferably, two sections of threads are arranged on the outer side of one end, located in the installation cavity, of the threaded rod, and the lengths of the two sections of threads are equal and the directions are opposite.

Preferably, rotating blocks are fixedly mounted on the opposite sides of the moving blocks on the left side and the right side and the upper ends and the lower ends of the back sides of the two moving plates, and the traction rods are movably connected with the moving blocks and the moving plates through the rotating blocks respectively.

(III) advantageous effects

Compared with the prior art, the utility model provides a wiper helical gear convenient to installation possesses following beneficial effect:

the wiper bevel gear convenient to install is characterized in that the two sliders are pushed to move relatively, so that the two limiting rods are driven to move relatively, until the two limiting rods move out of the two limiting grooves, the position limitation on the two threaded rods is removed, at the moment, the two knobs can be screwed to drive the two threaded rods to rotate, the threaded rods can drive the moving blocks on the upper side and the lower side to move relatively in the rotating process, the moving blocks can drive the two moving plates and the two positioning blocks to move back to back through the traction rods in the moving process, until the positioning blocks move out of the positioning grooves, the position limitation between the bevel gears and the gear shaft is removed, the bevel gears can be moved up on the outer side of the gear shaft at the moment, so that the bevel gears can be detached, when the bevel gears need to be installed, the bevel gears are sleeved on the outer sides of the bevel gears and moved down until the gear shaft is attached to the tops of the guide blocks, the bevel gears are rotated to coat the outer sides of the guide grooves on the outer sides of the guide blocks, then the two sliders are pushed to move relatively, and the two knobs are respectively screwed reversely, so that the two moving blocks and the positioning blocks move back to the inside of the two positioning blocks are driven, so that the positioning blocks can be installed and the positioning blocks can be finally, so that the positioning blocks can be installed and the positioning grooves can be conveniently, and the bevel gears can be installed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front cross-sectional view of the helical gear of the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention.

In the figure: the windscreen wiper comprises a gear shaft 1, a windscreen wiper body 2, a bevel gear 3, an installation cavity 4, a moving plate 5, a positioning groove 6, a positioning block 7, a threaded rod 8, a moving block 9, a traction rod 10, a knob 11, a sliding groove 12, a limiting component 13, a sliding block 131, a limiting groove 132, a limiting rod 133 and a limiting spring 134.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a wiper helical gear convenient to installation, including gear shaft 1, the top fixed mounting of gear shaft 1 has wiper main part 2, the thread groove has been seted up at the top of gear shaft 1, wiper main part 2 comes with gear shaft 1 fixed connection through bolt and thread groove, the outside movable mounting of gear shaft 1 has helical gear 3, the guide way has all been seted up to the inner wall left and right sides bottom of helical gear 3, the interior diapire of two guide ways is the opening design, the equal fixed mounting in the left and right sides of gear shaft 1 one end extend to two guide ways respectively inside and with guide way inner wall front and back both sides swing joint's guide block.

The quantity is two and be the installation cavity 4 that is located the 1 left and right sides of gear shaft respectively for the inside of helical gear 3 is seted up, equal movable mounting has one end respectively with the movable plate 5 of the laminating of two installation cavity 4 opposite side inner walls between the upper and lower both sides of the inner wall of two installation cavities 4, constant head tank 6 that is located between two movable plates 5 is all seted up to the left and right sides of gear shaft 1, the equal fixed mounting in opposite side of two movable plates 5 has one end to extend to the inside locating piece 7 of two constant head tanks 6 respectively, all communicate on the opposite side inner wall of two installation cavities 4 have set up on helical gear 3 and respectively with the through-hole of two locating piece 7 looks adaptations.

The inner bottom walls of the two mounting cavities 4 are movably provided with threaded rods 8 which are respectively located on the opposite sides of the two moving plates 5, one end of each threaded rod 8 extends to the top of the bevel gear 3, bearings are fixedly mounted on the inner bottom walls of the two mounting cavities 4, the threaded rods 8 are rotatably connected with the inner bottom walls of the mounting cavities 4 through the bearings, two threads are arranged on the outer side of one end, located inside the mounting cavities 4, of each threaded rod 8, the lengths of the two threads are equal and opposite, moving blocks 9 are movably mounted at the upper end and the lower end of the inner wall, opposite to the opposite sides of the two mounting cavities 4, the moving blocks 9 at the left side and the right side are respectively in threaded connection with the outer sides of the two threaded rods 8, pull rods 10 are movably mounted at the opposite sides of the moving blocks 9 at the left side and the right side and are respectively in movable connection with the opposite sides of the two moving plates 5, the moving plates are fixedly mounted at the opposite sides of the left side and the upper ends of the opposite sides of the two moving plates 5, the pull rods 10 are respectively in movable connection with the moving blocks 9 and the moving plates 5 through the rotating blocks, and the knobs 11 are fixedly mounted at the tops of the two threaded rods 8.

Chute 12 has all been seted up to helical gear 3's the top left and right sides, two chutes 12 are located the left and right sides of gear shaft 1 respectively and two chutes 12 all are located between two threaded rods 8, the equal movable mounting of inner bottom wall of two chutes 12 has one end respectively with two chute 12 opposite side inner wall fixed connection and the other end extend to two threaded rod 8 inside spacing subassembly 13 respectively, both ends respectively with the inner wall front and back both sides swing joint of chute 12 around spacing subassembly 13, spacing subassembly 13 includes slider 131, equal movable mounting has one end and its inner bottom wall swing joint's slider 131 between the inner wall front and back both sides of two chutes 12, the looks dorsal part of two sliders 131 respectively with two chutes 12 inner wall laminating mutually, the spacing groove 132 that is located two slider 131 dorsal parts respectively is all seted up to the opposite side of two threaded rods 8, the equal fixed mounting in the mutually opposite sides of two sliders 131 has one end to extend to two spacing poles 133 inside respectively, the opposite side that sets up in helical gear 3 and respectively with two spacing rod 133 looks adaptation on the mutually opposite side inner wall mutually of two chutes 12 all intercommunication, the equal fixed mounting of two sliders 131 has one end respectively with two opposing sides 12 inner wall fixed connection's the opposing side of chute 12.

When the bevel gear 3 needs to be disassembled, the two sliders 131 can be pushed to move relatively to drive the two limiting rods 133 to move relatively until the two limiting rods 133 move out of the interiors of the two limiting grooves 132 to remove the position limitation on the two threaded rods 8, at this time, the two knobs 11 can be screwed to drive the two threaded rods 8 to rotate, the threaded rods 8 can drive the upper and lower moving blocks 9 to move relatively in the rotating process, the moving blocks 9 can drive the two moving plates 5 and the two positioning blocks 7 to move back and forth through the traction rods 10 in the moving process until the positioning blocks 7 move out of the interiors of the positioning grooves 6, so that the position limitation between the bevel gear 3 and the gear shaft 1 is removed, at this time, the bevel gear 3 can be moved up on the outer side of the gear shaft 1, so that the bevel gear 3 can be disassembled, when the bevel gear 3 needs to be assembled, sleeving the bevel gear 3 on the outer side of the gear shaft 1, moving the bevel gear 3 downwards until the bevel gear 3 is attached to the top of the guide block, rotating the bevel gear 3 to enable the guide groove to be covered on the outer side of the guide block so as to complete installation and guide of the bevel gear 3, then pushing the two sliders 131 to enable the two sliders to move relatively, and screwing the two knobs 11 in opposite directions respectively to drive the upper and lower moving blocks 9 to move back to back, further driving the two moving plates 5 and the two positioning blocks 7 to move relatively through the traction rod 10 until the opposite sides of the two moving plates 5 are respectively attached to the inner walls of the opposite sides of the two installation cavities 4 so as to enable the two positioning blocks 7 to move into the two positioning grooves 6 respectively, thereby fixing the bevel gear 3 and completing installation of the bevel gear 3, at the moment, loosening the two sliders 131, and driving the two sliders 131 and the two limiting rods 133 to move back to back under the elastic force of the limiting spring 134, the two limit rods 133 are respectively moved into the two limit grooves 132, so that the two threaded rods 8 are fixed, and the rotation is prevented.

In summary, in the wiper bevel gear convenient to mount, the two sliders 131 are pushed to move relatively, so as to drive the two limit rods 133 to move relatively, until the two limit rods 133 move out of the two limit grooves 132, so as to remove the position limitation on the two threaded rods 8, at this time, the two knobs 11 can be screwed to drive the two threaded rods 8 to rotate, the threaded rods 8 can drive the upper and lower moving blocks 9 to move relatively in the rotating process, the moving blocks 9 can drive the two moving plates 5 and the two positioning blocks 7 to move back to back through the traction rods 10 in the moving process, until the positioning blocks 7 move out of the positioning grooves 6, so as to remove the position limitation between the bevel gear 3 and the gear shaft 1, at this time, the bevel gear 3 can be moved up on the outer side of the gear shaft 1, so as to dismount the bevel gear shaft 3, when the bevel gear 3 needs to be mounted, the bevel gear 3 is sleeved on the outer side of the gear shaft 1 and moves downwards until the bevel gear 3 is attached to the top of the guide block, at the moment, the bevel gear 3 is rotated to enable the guide groove to be covered on the outer side of the guide block, so that the installation and the guide of the bevel gear 3 are completed, then the two sliders 131 are pushed to enable the bevel gear 3 to move relatively, the two knobs 11 are respectively screwed reversely, so that the upper and lower side moving blocks 9 are driven to move back to back, the two moving plates 5 and the two positioning blocks 7 are driven to move relatively through the traction rod 10, so that the two positioning blocks 7 are respectively moved to the inner parts of the two positioning grooves 6, so that the installation of the bevel gear 3 is completed, the purpose of convenient disassembly and assembly is finally realized, the use is convenient, and the problem that the existing wiper bevel gear is mostly fixedly connected with the gear shaft in a welding mode in the installation process is solved, limited by equipment and operating personnel, the windscreen wiper bevel gear is inconvenient in the installation process, and the windscreen wiper bevel gear can only be detached in a cutting mode when detached, so that the windscreen wiper bevel gear is inconvenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a wiper helical gear convenient to installation, includes gear shaft (1), the top of gear shaft (1) is provided with wiper main part (2), the outside of gear shaft (1) is provided with helical gear (3), its characterized in that: the inner part of the bevel gear (3) is provided with two installation cavities (4) which are respectively positioned at the left side and the right side of the gear shaft (1), movable plates (5) with one ends respectively jointed with the inner walls at the opposite sides of the two installation cavities (4) are respectively arranged between the upper side and the lower side of the inner wall of the two installation cavities (4), the left side and the right side of the gear shaft (1) are respectively provided with a positioning groove (6) positioned between the two movable plates (5), the opposite sides of the two movable plates (5) are respectively provided with a positioning block (7) with one end respectively extending to the inner parts of the two positioning grooves (6), the inner bottom wall of the two installation cavities (4) is respectively provided with a threaded rod (8) which is respectively positioned at the opposite sides of the two movable plates (5) and has one end respectively extending to the top of the bevel gear (3), two the upper and lower both ends of installation cavity (4) looks back to the side inner wall all are provided with movable block (9), the left and right sides movable block (9) respectively with the outside threaded connection of two threaded rods (8), the left and right sides the opposite side of movable block (9) all is provided with one end respectively with two movable plate (5) looks back to the side swing joint's traction lever (10), two the top of threaded rod (8) all is provided with knob (11), the top left and right sides of helical gear (3) all is provided with spout (12), two spout (12) are located the left and right sides of gear shaft (1) respectively and two spout (12) all are located two Between threaded rod (8), two the interior diapire of spout (12) all is provided with one end respectively with two spout (12) opposite side inner wall fixed connection and the other end extend to two inside spacing subassemblies (13) of threaded rod (8) respectively, both ends are both sides swing joint around the inner wall with spout (12) respectively around spacing subassembly (13).

2. The easy-to-install wiper bevel gear of claim 1 wherein: spacing subassembly (13) include slider (131), two equal movable mounting has one end and slider (131) rather than interior diapire swing joint between both sides around the inner wall of spout (12), two the back of the body side of the back of the body of slider (131) is respectively with the back of the body side inner wall laminating of two spout (12), two spacing groove (132) that are located two slider (131) back of the body side respectively are all seted up to the opposite side of threaded rod (8), two the back of the body side of the back of the body of slider (131) is all fixed mounting has one end to extend to two inside gag lever post (133) of spacing groove (132) respectively, two the equal fixed mounting in opposite side of slider (131) has one end respectively with two spout (12) opposite side inner wall fixed connection's spacing spring (134).

3. The easy-to-install wiper bevel gear of claim 1 wherein: the guide grooves are formed in the bottoms of the left side and the right side of the inner wall of the bevel gear (3), and guide blocks, of which one ends extend to the insides of the two guide grooves respectively and are movably connected with the front side and the rear side of the inner wall of the guide grooves, are fixedly mounted on the left side and the right side of the gear shaft (1).

4. The easy to install wiper bevel gear of claim 1 further comprising: two the equal fixed mounting of interior diapire of installation cavity (4) has the bearing, threaded rod (8) are connected through the interior diapire rotation of bearing and installation cavity (4).

5. The easy-to-install wiper bevel gear of claim 1 wherein: the outer side of one end of the threaded rod (8) in the mounting cavity (4) is provided with two threads, and the lengths of the two threads are equal and the directions are opposite.

6. The easy-to-install wiper bevel gear of claim 1 wherein: rotating blocks are fixedly arranged on the opposite sides of the moving blocks (9) on the left side and the right side and the upper end and the lower end of the opposite back sides of the two moving plates (5), and the traction rods (10) are movably connected with the moving blocks (9) and the moving plates (5) through the rotating blocks respectively.

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