Multifunctional shaft puller

Abstract

The utility model relates to the technical field of shaft pulling devices, and discloses a multifunctional shaft pulling device which comprises a connecting plate, a plurality of adjusting rods are arranged in the connecting plate in a sliding mode, the outer sides of the adjusting rods are each sleeved with two pressing pieces, and the two pressing pieces are located on the upper side and the lower side of the connecting plate respectively. The outer sides of the adjusting rods are in threaded connection with two nuts, the nuts are located on one sides of the pressing pieces correspondingly, a dragging structure is arranged at the top of the connecting plate, polygonal inserting rods are fixedly arranged at the bottoms of the adjusting rods correspondingly, and the outer sides of the adjusting rods are in threaded connection with threaded sleeves. The bottom end of the adjusting rod is connected with a fixing rod through a polygonal inserting rod and a threaded sleeve, the outer side of the fixing rod is sleeved with a limiting pipe, the fixing rod is fixed and finely adjusted, and after adjustment is completed, the wheel bearing is pulled out through a clamping jaw. Therefore, pulling is carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to a puller technical field, concretely is a multifunctional puller. BACKGROUND

[0002] The puller is a kind of tool for pulling shaft body by pressing buckle, mainly used for the maintenance and repair of mechanical keyboard, whether it is daily replacement shaft body or replacement shaft body after soldering tin keyboard is unbolted, and the puller is essential tool, and currently when replacing arm inner bearing and wheel, different tools are needed to replace, which is not conducive to underground operation, thereby reducing efficiency, therefore, a multifunctional puller is provided. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of multifunctional puller to solve the problem of the above background art, which is that currently when replacing arm inner bearing and wheel, different tools are needed to replace, which is not conducive to underground operation, thereby reducing efficiency.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of multifunctional puller, including connecting plate, the inside of the connecting plate is slidably provided with multiple adjusting rods, the outer side of multiple adjusting rods is all fitted with two pressure tablets, and the two pressure tablets are respectively at the upper and lower sides of connecting plate, the outer side of adjusting rod is screw-connected with two nuts, and the nut is respectively at the side of pressure tablet, the top of connecting plate is provided with drag structure, the bottom of multiple adjusting rods is fixedly provided with polygonal plug-in rod, the outer side of adjusting rod is screw-connected with threaded sleeve, fixed rod is installed at the bottom of adjusting rod, and threaded sleeve is screw-connected with the outer side of fixed rod, the bottom of fixed rod is fixedly provided with jaw, the lower of connecting plate is provided with multiple bushings, the inner wall of bushing is fixedly provided with multiple threaded sleeves, the inside of multiple threaded sleeves is screw-connected with second threaded rod, one end of second threaded rod is fixedly connected with connecting head, the outer side of connecting head is rotatably connected with connecting seat by bearing, one end of connecting seat is fixedly connected with limit tube, and limit tube is sleeved on the outer side of fixed rod.

[0005] As preferred, the drag structure includes a connecting block fixedly installed inside the connecting plate, a first threaded rod screw-connected inside the connecting block, a top plate fixedly provided at the top of the first threaded rod, a hinge connection of a rotating shaft inside both sides of the top plate, and a handle fixedly provided at the outer side of the rotating shaft.

[0006] As preferred, a polygonal recess is formed in the top inside of the fixed rod, and the polygonal plug-in rod is adapted in size to the polygonal recess.

[0007] As preferred, a strip-shaped groove is formed in the inside of the connecting plate, and the adjusting rod penetrates the strip-shaped groove.

[0008] As preferred, a threaded hole is formed in the interior of the connecting block, and the size of the first threaded rod is adapted to the size of the threaded hole.

[0009] As preferred, grooves are formed on both sides of the top plate, and the rotating shaft is rotatably installed in the grooves.

[0010] Compared with the prior art, the above technical scheme has the following technical effects:

[0011] The utility model discloses a connecting plate, adjusting lever, fixed link, dog and limit tube are set up, in use, according to the position of adjusting lever is adjusted, and the fixed link of adjusting lever bottom end is connected with threaded bush through polygonal plug -in link, and the fixed link outside is covered with limit tube, and limit tube will be fixed and fine adjustment to the front end of fixed link, and when needing to pull out the wheel axle, the dog is turned to the inside, and the dog is stuck to the wheel, and the first threaded rod is rotated, thereby pulling out. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0013] Figure 1 It is a side view structure schematic diagram of the utility model;

[0014] Figure 2 It is a sectional view structure schematic diagram of the utility model;

[0015] Figure 3 It is a connecting structure schematic diagram of the sleeve pipe and the limit tube of the utility model;

[0016] Figure 4 It is a connecting structure schematic diagram of the adjusting lever and the fixed link of the utility model.

[0017] The reference signs are explained: 1, connecting plate;2, adjusting lever;3, tablet;4, nut;5, connecting block;6, first threaded rod;7, top plate;8, rotating shaft;9, handle;10, polygonal plug-in link;11, threaded bush;12, fixed link;13, dog;14, sleeve pipe;15, threaded sleeve;16, second threaded rod;17, connecting head;18, connecting seat;19, limit tube. DETAILED DESCRIPTION

[0018] Clearly and completely, the technical solutions in the embodiments of the present application will be described in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0019] It is understood that the structure, proportion, size, etc. shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions of the embodiments of the present application, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0020] Embodiment

[0021] In the prior art, when replacing the inner bearing of the arm and the wheel, different tools are needed for replacement, which is not conducive to downhole operation, thereby reducing the efficiency.

[0022] Please refer to Figures 1-4The utility model provides a kind of technical scheme: a multifunctional axle puller, including connecting plate 1, the inside of connecting plate 1 is slidably provided with multiple adjusting rods 2, the outside of multiple adjusting rods 2 is all covered two compression tablets 3 and two compression tablets 3 are respectively at the upper and lower sides of connecting plate 1, the outside of adjusting rod 2 is screw-threaded with two nuts 4 and nut 4 is respectively at the side of compression tablet 3, the top of connecting plate 1 is provided with tow structure, the bottom of multiple adjusting rods 2 is all fixedly provided with polygonal plug-in rod 10, the outside of adjusting rod 2 is screw-threaded with threaded sleeve 11, fixed rod 12 is installed at the bottom of adjusting rod 2 and threaded sleeve 11 is screw-threaded with the outside of fixed rod 12, the bottom end of fixed rod 12 is fixedly provided with claw 13, the below of connecting plate 1 is provided with multiple sleeves 14, the inner wall of sleeve 14 is fixedly provided with multiple threaded sleeves 15, the inside of multiple threaded sleeves 15 is all screw-threaded with second threaded rod 16, one end of second threaded rod 16 is fixedly connected with connector 17, the outside of connector 17 is rotatably connected with connecting seat 18 by bearing, one end of connecting seat 18 is fixedly connected with limit tube 19 and limit tube 19 is covered on the outside of fixed rod 12, when using, the position of adjusting rod 2 is adjusted according to use condition, to be fixed by compression tablet 3, the bottom end of adjusting rod 2 is connected with fixed rod 12 by polygonal plug-in rod 10 and threaded sleeve 11, the outside of fixed rod 12 is covered with limit tube 19, limit tube 19 is connected with second threaded rod 16 and sleeve 14 by connecting seat 18, is fixed and fine adjustment to it, after adjusting, wheel bearing is extracted by claw 13, when the wheel axle needs to be extracted, claw 13 is turned to inside, and the wheel is clamped by claw 13, to be extracted.

[0023] Tow structure includes connecting block 5, connecting block 5 is fixedly installed in the inside of connecting plate 1, the inside of connecting block 5 is screw-threaded with first threaded rod 6, the top of first threaded rod 6 is fixedly provided with top plate 7, the inside of the both sides of top plate 7 is hingedly connected with rotating shaft 8, the outside of rotating shaft 8 is fixedly provided with handle 9, when the wheel axle is extracted, when claw 13 clamps inner wheel, hold handle 9, rotate top plate 7, to make first threaded rod 6 rotate and be extracted.

[0024] The top inside of fixed rod 12 is provided with polygonal recess, the size of polygonal plug-in rod 10 is compatible with polygonal recess, and fixed rod 12 is rotated by polygonal plug-in rod 10.

[0025] The inside of connecting plate 1 is provided with strip slot, adjusting rod 2 penetrates strip slot, and fixed rod 12 is adjusted by adjusting rod 2.

[0026] The inside of connecting block 5 is provided with threaded hole, the size of first threaded rod 6 is compatible with the size of threaded hole, and connecting plate 1 is pulled by connecting block 5 and first threaded rod 6.

[0027] The top plate 7 is provided with a recess on both sides, and the rotating shaft 8 is rotatably installed in the recess, and the handle 9 is rotatably connected with the top plate 7 through the rotating shaft 8.

[0028] The working principle or structural principle is that, in use, the position of the adjusting rod 2 is adjusted according to the use condition, so as to be fixed through the pressing plate 3, the bottom end of the adjusting rod 2 is connected with the fixing rod 12 through the polygonal inserting rod 10 and the threaded sleeve 11, the outer side of the fixing rod 12 is sleeved with the limiting tube 19, the limiting tube 19 is connected with the sleeve 14 through the connecting seat 18 and the second threaded rod 16, the second threaded rod 16 is rotated to adjust the limiting tube 19, the limiting tube 19 can fix and finely adjust the front end of the fixing rod 12, after the adjustment is completed, the pawl 13 is used to pull out the wheel bearing, so as to adapt to bearings with various diameters, when the wheel shaft needs to be pulled out, the pawl 13 is turned inward, the pawl 13 clamps the wheel, the handle 9 is held, the top plate 7 is rotated, so that the first threaded rod 6 is rotated, and the wheel shaft is pulled out.

[0029] Those skilled in the art can understand that the features described in various embodiments and / or claims of the present application can be combined or / and combined, even if such combinations or combinations are not explicitly described in the present application. In particular, the features described in various embodiments and / or claims of the present application can be combined and / or combined without departing from the spirit and teachings of the present application. All these combinations and / or combinations fall within the scope of the present application.

Claims

1. A multifunctional axle puller comprising a connecting plate (1), characterized in that: The inside of the connecting plate (1) is slidably provided with a plurality of adjusting rods (2), the outer side of each of the plurality of adjusting rods (2) is sleeved with two pressing plates (3), and the two pressing plates (3) are respectively located on the upper and lower sides of the connecting plate (1). The outer side of the adjusting rod (2) is threadedly connected with two nuts (4), and the nuts (4) are respectively located on one side of the pressing plate (3). The top of the connecting plate (1) is provided with a dragging structure. The bottom of each of the plurality of adjusting rods (2) is fixedly provided with a polygonal plug-in rod (10). The outer side of the adjusting rod (2) is threadedly connected with a threaded sleeve (11). A fixed rod (12) is installed at the bottom of the adjusting rod (2), and the threaded sleeve (11) is threadedly connected with the outer side of the fixed rod (12). The bottom end of the fixed rod (12) is fixedly provided with a clamping jaw (13). The lower side of the connecting plate (1) is provided with a plurality of sleeve pipes (14). The inner wall of the sleeve pipe (14) is fixedly provided with a plurality of threaded sleeves (15). The inside of each of the plurality of threaded sleeves (15) is threadedly connected with a second threaded rod (16). One end of the second threaded rod (16) is fixedly connected with a connecting head (17). The outer side of the connecting head (17) is rotatably connected with a connecting seat (18) through a bearing. One end of the connecting seat (18) is fixedly connected with a limiting pipe (19), and the limiting pipe (19) is sleeved on the outer side of the fixed rod (12).

2. The multi-functional axle puller according to claim 1, wherein: The dragging structure comprises a connecting block (5) fixedly installed in the inside of the connecting plate (1). The inside of the connecting block (5) is threadedly connected with a first threaded rod (6). The top of the first threaded rod (6) is fixedly provided with a top plate (7). The inside of both sides of the top plate (7) is hingedly connected with a rotating shaft (8). The outer side of the rotating shaft (8) is fixedly provided with a handle (9).

3. The multi-functional axle puller according to claim 1, wherein: The top inside of the fixed rod (12) is provided with a polygonal groove. The size of the polygonal plug-in rod (10) is matched with the size of the polygonal groove.

4. The multi-functional axle puller of claim 1, wherein: The inside of the connecting plate (1) is provided with a strip-shaped groove. The adjusting rod (2) penetrates through the strip-shaped groove.

5. The multi-functional axle puller according to claim 2, wherein: The inside of the connecting block (5) is provided with a threaded hole. The size of the first threaded rod (6) is matched with the size of the threaded hole.

6. The multi-functional axle puller according to claim 2, wherein: Both sides of the top plate (7) are provided with grooves. The rotating shaft (8) is rotatably installed in the inside of the grooves.

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