Self-clamping half shaft shell

Abstract

The utility model discloses a self-clamping half shaft shell, which comprises an upper shell and a lower shell, two sides of the surface of the lower shell are both fixedly connected with a first connecting block, a cavity is arranged in the first connecting block, two slots are arranged at the top of the first connecting block and at two sides of the cavity, and a sliding rod is arranged in the cavity. By arranging the sliding rod, the first connecting rod, the clamping block, the tensioning assembly and the like, during installation, the inserting block is installed in the inserting groove, the inserting block extrudes the clamping block towards the interior of the cavity, and when the clamping groove and the clamping block are matched in position, resilience force of the first spring drives the top plate and the connecting base to face upwards; the two first connecting rods can push the two clamping blocks towards the interiors of the two inserting grooves, the clamping blocks and the clamping grooves are connected in a matched and clamped mode, the poke rod is pushed upwards, the lock catch is arranged outside the lock nose in a sleeving mode, then the poke rod is poked downwards, the tensioning assembly can further tension and fix the upper shell and the lower shell, and compared with bolt fixing in the prior art, more convenience and rapidness are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to half axle casing technical field especially is half axle casing of self clamping. BACKGROUND

[0002] Half axle casing is an important part in automobile transmission system, mainly used for protecting and supporting the half axle of vehicle, and is a hollow metal structure, usually wrapped outside the driving half axle, connected with the differential (or gearbox), and plays a protective role on the half axle, and a half axle casing is usually wrapped outside the half axle to improve the service life of the half axle, which is not only the physical support of the half axle, but also the important protection device of the transmission system.

[0003] In the prior art, the two half axle casings are usually connected together by bolts, and multiple bolts are usually required to connect and fix, which is relatively cumbersome and inconvenient to assemble and disassemble.

[0004] Therefore, a self-clamping half axle casing is provided. UTILITY MODEL CONTENTS

[0005] The utility model relates to half axle casing technical field especially is half axle casing of self clamping.

[0006] To solve the above technical problems, one technical scheme of the utility model is provided: a self-clamping half axle casing is provided, which comprises an upper casing and a lower casing, the lower casing is fixedly connected with a first connecting block on both sides of the surface, a cavity is formed in the first connecting block, two insertion grooves are formed in the top of the first connecting block and on both sides of the cavity, a sliding rod is arranged in the cavity, the top of the sliding rod is fixedly connected with a top plate, the top plate is fixedly connected with a connecting seat on the top, two first connecting rods are rotatably connected between the inner surfaces of the connecting seat on both sides, a clamping block is rotatably connected to one end of each of the first connecting rods, two clamping blocks are slidably extended into the two insertion grooves, one end of each of the two clamping blocks is arranged in a slope shape, two insertion blocks are installed in the insertion grooves, and the clamping blocks are pressed towards the inside of the cavity during the downward movement of the insertion blocks.

[0007] The upper casing is fixedly connected with a second connecting block on both sides of the surface, two insertion blocks are fixedly connected to the bottom of each of the second connecting blocks, two insertion blocks are installed in the two insertion grooves, and a clamping groove matched with the clamping block is formed in one side of the surface of each of the two insertion blocks, two groups of tensioning assemblies are arranged at both ends of the upper casing and the lower casing, and two groups of guiding assemblies are arranged on both sides of the upper casing and the lower casing.

[0008] Preferably, the bottom end of the slide rod is slidably extended below the first connecting block and fixedly connected with a limiting block, and a pull ring is movably connected to the bottom of the limiting block, facilitating pulling of the slide rod.

[0009] Preferably, the slide rod is externally sleeved with a first spring, the top end of the first spring is fixedly connected with the bottom of the top plate, the bottom end of the first spring is fixedly connected with the inner bottom of the cavity, the elastic force of the first spring drives the top plate and the connecting seat upward, the two first connecting rods push the two clamping blocks towards the interior of the two insertion grooves, the clamping blocks are matched and clamped with the clamping grooves, and the upper shell and the lower shell are fixed in position.

[0010] Preferably, the tensioning assembly comprises a rotating seat fixedly connected to the end face of the lower shell, a toggle lever rotatably connected between the inner surfaces of the rotating seat, two second connecting rods rotatably connected to the surfaces of the toggle lever, an installation frame fixedly connected to one end of the two second connecting rods, a sliding plate slidably connected to the inner side wall of the installation frame, a pull rod fixedly connected to one side of the surface of the sliding plate, a lock catch fixedly connected to one end of the pull rod and extending to the outside of the installation frame, and a lock nose fixedly connected to the end face of the upper shell and matched with the lock catch, wherein the upper shell and the lower shell are further fixedly tightened by pushing the toggle lever upwards, sleeving the lock catch to the outside of the lock nose, and then pulling the toggle lever downwards.

[0011] Preferably, the pull rod is externally sleeved with a second spring, one end of the second spring is fixedly connected to one side of the surface of the sliding plate, and the other end of the second spring is fixedly connected to the inner top of the installation frame, and the elastic force of the second spring can provide a pulling force back to the lock catch and the lock nose, so as to tighten the upper shell and the lower shell.

[0012] Preferably, the guide assembly comprises first guide blocks fixedly connected to the surfaces of the lower shell, guide rods fixedly connected to the top of the first guide blocks, and second guide blocks fixedly connected to the surfaces of the upper shell, wherein a plurality of second guide blocks are slidably sleeved on the outside of a plurality of guide rods, and the upper shell and the lower shell are aligned when the plurality of second guide blocks are slidably sleeved on the outside of the plurality of guide rods.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1.The utility model discloses a slide bar, first connecting rod, clamping block and tensioning assembly are set up, when installing, the plug block is installed to the slot, the clamping block is extruded to the cavity inside direction, when the card slot and the clamping block position match, the first spring rebound force drives the top plate and the connecting seat to go up, and two first connecting rods can push two clamping blocks to the two slot inside direction, and the clamping block is matched with the card slot and is connected, and the lock catch is set to the lock nose outside, and then the push rod is pushed down, and the tensioning assembly can further tighten the upper shell and the lower shell, compared with the prior art bolt fixing, it is more convenient and fast.

[0015] 2.The utility model discloses a first spring and pull ring are set up through the pull ring and slide down the slide bar, and the slide bar drives the top plate and the connecting seat to go down while two first connecting rods pull two clamping blocks, and make it move to the cavity inside direction, and the clamping block is withdrawn from the card slot inside, and the upper shell and the lower shell can be separated, then the push rod is pushed up, and the lock catch is taken out from the lock nose outside, and the tensioning assembly can be opened, compared with the prior art bolt fixing, the upper shell and the lower shell disassembly separation are also more convenient. DRAWINGS

[0016] Figure 1 It is the perspective drawing of a kind of self-clamping half shaft shell of the utility model;

[0017] Figure 2 It is the first connecting block internal structure schematic view of a kind of self-clamping half shaft shell of the utility model;

[0018] Figure 3 It is the utility model Figure 1 Enlarged view of A;

[0019] Figure 4 It is the utility model Figure 1 Enlarged view of B.

[0020] In the drawing: 1, upper shell;2, lower shell;3, first connecting block;4, cavity;5, slot;6, slide bar;7, top plate;8, connecting seat;9, first connecting rod;10, clamping block;11, second connecting block;12, plug block;13, card slot;14, limit block;15, pull ring;16, first spring;17, rotating seat;18, push rod;19, second connecting rod;20, mounting frame;21, slide plate;22, pull rod;23, lock catch;24, lock nose;25, second spring;26, first guide block;27, guide rod;28, second guide block. DETAILED DESCRIPTION

[0021] The advantages and features of the utility model can be more easily understood by the person skilled in the art in combination with the preferred embodiments of the utility model described below, so that the protection scope of the utility model can be more clearly and explicitly defined.

[0022] Please refer to Figure 1 and Figure 2 A self-clamping half shaft shell comprises an upper shell 1 and a lower shell 2, the lower shell 2 is fixedly connected with a first connecting block 3 on both sides of the surface, a cavity 4 is formed in the first connecting block 3, two insertion slots 5 are formed on the top of the first connecting block 3 and located on both sides of the cavity 4, a sliding rod 6 is arranged in the cavity 4, the top end of the sliding rod 6 is fixedly connected with a top plate 7, the top of the top plate 7 is fixedly connected with a connecting seat 8, two first connecting rods 9 are rotatably connected between the inner surfaces of the connecting seat 8, one end of each of the two first connecting rods 9 is rotatably connected with a clamping block 10, one end of each of the two clamping blocks 10 extends into the interior of the two insertion slots 5, the one end of each of the two clamping blocks 10 located in the interior of the two insertion slots 5 is obliquely arranged, two insertion blocks 12 are installed in the interior of the insertion slots 5, and the insertion blocks 12 will extrude the clamping blocks 10 towards the interior of the cavity 4 during the downward movement of the insertion blocks 12.

[0023] The upper shell 1 is fixedly connected with a second connecting block 11 on both sides of the surface, the bottom of each of the two second connecting blocks 11 is fixedly connected with an insertion block 12, the two insertion blocks 12 are installed in the interior of the two insertion slots 5, and a clamping slot 13 matched with the clamping block 10 is formed in one side of the surface of each of the two insertion blocks 12, two groups of tensioning assemblies are arranged at both ends of the upper shell 1 and the lower shell 2, and two groups of guiding assemblies are arranged on both sides of the upper shell 1 and the lower shell 2.

[0024] As Figures 1 to 3As shown, the guide assembly includes a first guide block 26 fixedly connected on both sides of the surface of the lower shell 2, and a guide rod 27 fixedly connected on the top of the first guide block 26. Two second guide blocks 28 are fixedly connected on both sides of the surface of the upper shell 1, and a plurality of second guide blocks 28 are respectively sleeved and slidingly installed outside a plurality of guide rods 27. When the plurality of second guide blocks 28 are sleeved and slidingly installed outside the plurality of guide rods 27, the upper shell 1 and the lower shell 2 can be aligned. The bottom end of the sliding rod 6 slidingly extends to below the first connecting block 3 and is fixedly connected with a limiting block 14. The bottom of the limiting block 14 is movably connected with a pull ring 15, which facilitates pulling the sliding rod 6. The sliding rod 6 is sleeved with a first spring 16. The top end of the first spring 16 is fixedly connected with the bottom of the top plate 7, and the bottom end of the first spring 16 is fixedly connected with the inner bottom of the cavity 4. The rebounding force of the first spring 16 drives the top plate 7 and the connecting seat 8 upward, and the two first connecting rods 9 push the two clamping blocks 10 towards the inside of the two insertion grooves 5. The clamping block 10 is matched and clamped with the clamping groove 13, so that the position of the upper shell 1 and the lower shell 2 is fixed. The tensioning assembly includes a rotating seat 17 fixedly connected on the end face of the lower shell 2, a push rod 18 rotatably connected between the inner surfaces of the rotating seat 17, two second connecting rods 19 rotatably connected on both sides of the surface of the push rod 18, an installation rack 20 fixedly connected on one end of the two second connecting rods 19, a sliding plate 21 slidingly connected on the inner side wall of the installation rack 20, a pull rod 22 fixedly connected on one side of the surface of the sliding plate 21, a lock catch 23 fixedly connected on one end of the pull rod 22 extending to outside the installation rack 20, a lock nose 24 fixedly connected on the end face of the upper shell 1 and matched with the lock catch 23, and the lock catch 23 is sleeved outside the lock nose 24. Then the push rod 18 is pushed downward, and the tensioning assembly can further tension and fix the upper shell 1 and the lower shell 2. The pull rod 22 is sleeved with a second spring 25. One end of the second spring 25 is fixedly connected on one side of the surface of the sliding plate 21, and the other end of the second spring 25 is fixedly connected on the inner top of the installation rack 20. The rebounding force of the second spring 25 can provide a pulling force back to the lock catch 23 and the lock nose 24, so as to tension the upper shell 1 and the lower shell 2.

[0025] The utility model discloses a convenient to use, if need to connect upper casing 1 and lower casing 2, the alignment of upper casing 1 and lower casing 2 to the outside of multiple guide rods 27 is set with multiple second guide blocks 28, then press down upper casing 1, two insertion blocks 12 are installed to the inside of slot 5, the process of insertion block 12 downward movement extrudes the direction of cavity 4 inside to card block 10, when card slot 13 and card block 10 position match, the first spring 16 rebound force drives top plate 7 and connecting seat 8 upwards, two first connecting rods 9 can push two card blocks 10 to the direction of two slot 5 inside, and card block 10 and card slot 13 match and connect, can fix the position of upper casing 1 and lower casing 2, push up and push rod 18, and then set lock catch 23 to the outside of lock nose 24, and then downward push rod 18 is pushed, and the tension assembly can further tighten and fix upper casing 1 and lower casing 2, when need to split upper casing 1 and lower casing 2, through the pull ring 15 down pull slide rod 6, and slide rod 6 drives top plate 7 and connecting seat 8 downwards while two first connecting rods 9 pull two card blocks 10, make its move to the direction of cavity 4 inside, and card block 10 exits from the inside of card slot 13, can separate upper casing 1 and lower casing 2, then push up and push rod 18, and then take out lock catch 23 from the outside of lock nose 24, can open the tension assembly, compared with prior art bolt fixing, upper casing 1 and lower casing 2 installation and disassembly are more convenient.

[0026] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and the equivalent structure or equivalent process transformation of the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.

Claims

1. A self-clinching half shaft housing comprising an upper housing (1) and a lower housing (2), characterized in that: The lower shell (2) surface both sides are fixedly connected with first connecting block (3), the first connecting block (3) inside is provided with cavity (4), the first connecting block (3) top and located both sides of cavity (4) position are provided with two insertion slot (5), the inside of cavity (4) is provided with slide rod (6), the slide rod (6) top is fixedly connected with top plate (7), the top plate (7) top is fixedly connected with connecting seat (8), the connecting seat (8) inner surface both sides are rotatably connected with two first connecting rod (9), two first connecting rod (9) one end are rotatably connected with clamping block (10), two clamping block (10) one end respectively slidingly extend to two insertion slot (5) inside, two clamping block (10) one end located in two insertion slot (5) is arranged in the shape of slope; The surface of the upper shell (1) is fixedly connected with the second connecting block (11) on both sides, and the bottom of the two second connecting blocks (11) is fixedly connected with the two insertion blocks (12). Two insertion blocks (12) are respectively installed in two insertion slots (5), and the surface of two insertion blocks (12) is fixedly connected with the clamping groove (13) matched with the clamping block (10). The two ends of the upper shell (1) and the lower shell (2) are provided with two groups of tensioning assemblies, and the two sides of the upper shell (1) and the lower shell (2) are provided with two groups of guiding assemblies.

2. A self-clinching half shaft housing according to claim 1, characterized in that: The bottom end of the slide rod (6) slidingly extends to below the first connecting block (3) and is fixedly connected with the limiting block (14). The bottom of the limiting block (14) is movably connected with the pull ring (15).

3. A self-clinching half shaft housing according to claim 1, wherein: The outside of the slide rod (6) is sleeved with the first spring (16), and the top end of the first spring (16) is fixedly connected with the bottom of the top plate (7). The bottom end of the first spring (16) is fixedly connected with the inner bottom of the cavity (4).

4. A self-clinching half shaft housing according to claim 1, wherein: The tensioning assembly comprises a rotating seat (17) fixedly connected to the end face of the lower shell (2). The inner surface of the rotating seat (17) is rotatably connected with a push rod (18) between the two sides. The surface of the push rod (18) is rotatably connected with two second connecting rods (19) on both sides. The one end of the two second connecting rods (19) is fixedly connected with a mounting bracket (20). The inner side wall of the mounting bracket (20) is slidingly connected with a sliding plate (21). The surface of the sliding plate (21) is fixedly connected with a pull rod (22). The one end of the pull rod (22) extends to the outside of the mounting bracket (20) and is fixedly connected with a lock catch (23). The end face of the upper shell (1) is fixedly connected with a lock nose (24) matched with the lock catch (23).

5. A self-clinching half shaft housing according to claim 4, wherein: The outside of the pull rod (22) is sleeved with the second spring (25), and one end of the second spring (25) is fixedly connected to one side of the surface of the sliding plate (21). The other end of the second spring (25) is fixedly connected to the inner top of the mounting bracket (20).

6. A self-clinching half shaft housing according to claim 1, wherein: The guide assembly comprises first guide blocks (26) fixedly connected on both sides of the surface of the lower shell (2), the top of each first guide block (26) is fixedly connected with a guide rod (27), two second guide blocks (28) are fixedly connected on both sides of the surface of the upper shell (1), and multiple second guide blocks (28) are respectively sleeved and slidingly installed outside multiple guide rods (27).

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