Shaft core type wheel

Abstract

The utility model relates to the technical field of wheels, in particular to a central spindle type wheel which comprises a wheel body, a support is arranged on one side of the wheel body, a supporting rod is integrally formed at the end, away from the wheel body, of the support, check blocks are integrally formed on the two sides of the support, clamping blocks are arranged on the two sides of the support, and a connecting rod is arranged in the support. A through groove allowing one end of the connecting rod to penetrate through is formed in the wheel body, inserting grooves matched with the ends of the clamping blocks are formed in the two sides of the connecting rod, a two-way lead screw is arranged between the connecting rod and the supporting rod, the top end of the two-way lead screw penetrates through one check block and is connected with a rotary knob, and screw holes matched with the two-way lead screw are formed in the two clamping blocks. A limiting block is arranged on the side, away from the wheel body, of the rotary knob and connected with the check block close to the rotary knob. The pull rod is pulled, the knob is rotated, the knob drives the two-way lead screw to rotate, the two clamping blocks move away from the connecting rod, the connecting rod can be detached by pulling the connecting rod, and the wheel body can be detached and replaced conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of wheels, in particular to an axle-core type wheel. Background Art

[0002] The wheel is a rotating component between the tire and the axle that bears the load, and is usually composed of two main components: the rim and the spokes. 1. According to the structure of the spokes, the wheels can be divided into spoke-type wheels and spoke-type wheels. 2. According to the material of the wheel, it can be divided into wheels made of steel, aluminum alloy, magnesium alloy, etc. 3. According to the installation of one or two tires at one end of the axle, it can be divided into single-type wheels and double-type wheels. The axle-core wheel is one of the common wheel types. After the axle-core wheel is installed, if it needs to be removed and replaced, tools are required to remove the bolts used to fix the axle-core wheel, which is not conducive to the removal, replacement and subsequent installation of the axle-core wheel. Therefore, an axle-core wheel is proposed to facilitate the removal and subsequent installation of the axle-core wheel. Utility Model Content

[0003] In view of the problems in the prior art, the utility model provides an axle-core type wheel.

[0004] The technical solution adopted by the utility model to solve its technical problems is an axle-core wheel, including a wheel body, a support is provided on one side of the wheel body, a support rod is integrally formed at one end of the support away from the wheel body, blocks are integrally formed on both sides of the support, blocks are provided on both sides of the support, a connecting rod is provided in the support, a through groove for one end of the connecting rod to pass through is provided on the wheel body, slots adapted to the ends of the blocks are provided on both sides of the connecting rod, a bidirectional screw rod is provided between the connecting rod and the support rod, and a through groove for the bidirectional screw rod is provided on the support. The rod passes through a through hole, the top of the two-way screw rod passes through one of the blocks and is connected to a knob, the other end of the two-way screw rod is rotatably connected to the other block, the two blocks are provided with screw holes adapted to the two-way screw rod, a limit block is provided on the side of the knob away from the wheel body, the limit block is connected to the block close to the knob, an insert block is provided between the limit block and the knob, the knob is provided with a slot adapted to the insert block, a pull rod is fixed to the side of the insert block away from the knob, a spring is sleeved on the pull rod, and the end of the pull rod away from the insert block passes through the limit block.

[0005] By adopting the above technical solution, the insert block, spring, pull rod and limit block cooperate to prevent the knob from accidentally rotating and causing the ends of the two blocks to fall out of the slots on both sides of the connecting rod. When the wheel body needs to be removed and replaced, you only need to pull the pull rod, which drives the insert block to move away from the knob, rotate the knob, and the knob drives the two-way screw rod to rotate, and the two blocks move away from the connecting rod. The connecting rod can be removed by pulling it, which makes it convenient to remove and replace the wheel body.

[0006] Specifically, a first end cover is provided on the side of the wheel body away from the support, a second end cover is provided on the side of the wheel body away from the first end cover, a plurality of bosses are integrally formed on the side of the second end cover close to the first end cover, and a plurality of slots adapted to the second end cover are provided on the side of the first end cover close to the second end cover.

[0007] By adopting the above technical solution, the arrangement of the first end cover and the second end cover can shield and protect both sides of the wheel body.

[0008] Specifically, two guide rods are fixed on the two stoppers, and two through holes adapted to the guide rods are formed on the two clamping blocks.

[0009] By adopting the above technical solution and setting the guide rod, the stability of the two clamping blocks can be improved.

[0010] Specifically, a connecting block is fixed to one end of the pull rod away from the inserting block.

[0011] By adopting the above technical solution and setting the connecting block, it is convenient to pull the pull rod.

[0012] Specifically, the side wall of the knob is provided with a plurality of anti-slip grooves.

[0013] By adopting the above technical solution, the provision of the anti-slip pattern facilitates the rotation of the knob.

[0014] Beneficial effects of the utility model:

[0015] (1) The utility model discloses an axle-core wheel, wherein the plug block, spring, pull rod and limit block cooperate with each other, which can prevent the knob from accidentally rotating and causing the ends of the two blocks to fall out of the slots on both sides of the connecting rod. When the wheel body needs to be removed and replaced, it is only necessary to pull the pull rod, which drives the plug block to move away from the knob, rotate the knob, and the knob drives the two-way screw rod to rotate, so that the two blocks move away from the connecting rod. The connecting rod can be removed by pulling it, which makes it convenient to remove and replace the wheel body.

[0016] (2) In the axle-core wheel described in the utility model, the first end cover and the second end cover are provided to shield and protect both sides of the wheel body, and the guide rod is provided to improve the stability of the two clamping blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 For the utility model Figure 1 A magnified view of the structure at center A;

[0020] Figure 3 It is a cross-sectional view of the combination of the connecting rod, the support and the supporting rod of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the second end cover of the utility model.

[0022] In the figure: 1, wheel body; 101, connecting rod; 2, support; 3, support rod; 4, second end cover; 40, boss; 5, first end cover; 6, stopper; 7, pull rod; 70, connecting block; 8, limit block; 9, spring; 10, plug block; 11, knob; 12, two-way screw; 13, clamp block; 14, guide rod. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] In order to facilitate the disassembly and subsequent installation of the wheel body 1, as an embodiment of the present utility model, Figure 1 , Figure 2 , Figure 3 As shown, an axle-core wheel described in the utility model comprises a wheel body 1, a support 2 is provided on one side of the wheel body 1, a support rod 3 is integrally formed at one end of the support 2 away from the wheel body 1, blocks 6 are integrally formed on both sides of the support 2, blocks 13 are provided on both sides of the support 2, a connecting rod 101 is provided in the support 2, a through groove for one end of the connecting rod 101 to pass through is provided on the wheel body 1, slots adapted to the ends of the blocks 13 are provided on both sides of the connecting rod 101, a bidirectional screw rod 12 is provided between the connecting rod 101 and the support rod 3, a through hole for the bidirectional screw rod 12 to pass through is provided on the support 2, and the bidirectional screw rod 12 is provided in the support 2. The top end of the rod 12 passes through one of the blocks 6 and is welded to a knob 11. The other end of the bidirectional screw rod 12 is rotatably connected to the other block 6. Both of the blocks 13 are provided with screw holes that match the bidirectional screw rod 12. A limit block 8 is provided on the side of the knob 11 away from the wheel body 1. The limit block 8 is welded to the block 6 close to the knob 11. An insert block 10 is provided between the limit block 8 and the knob 11. The knob 11 is provided with a slot that matches the insert block 10. A pull rod 7 is welded and fixed to the side of the insert block 10 away from the knob 11. A spring 9 is sleeved on the pull rod 7. The end of the pull rod 7 away from the insert block 10 passes through the limit block 8.

[0025] When in use, the plug block 10, spring 9, pull rod 7 and limit block 8 cooperate to prevent the knob 11 from accidentally rotating and causing the ends of the two blocks 13 to fall out of the slots on both sides of the connecting rod 101. When the wheel body 1 needs to be removed and replaced, just pull the pull rod 7, the pull rod 7 drives the plug block 10 to move away from the knob 11, rotate the knob 11, the knob 11 drives the two-way screw rod 12 to rotate, and the two blocks 13 move away from the connecting rod 101. The connecting rod 101 can be removed by pulling and pulling the connecting rod 101, which is convenient for removing and replacing the wheel body 1. When installing the wheel body 1, pull the pull rod, pass one end of the connecting rod 101 through the wheel body and insert it into the support 2, rotate the knob 11, the two-way screw rod 12 rotates, and the ends of the two blocks 13 are inserted into the slots on both sides of the connecting rod 101. Release the pull rod 7, the spring 9 pushes the plug block 10 to move toward the knob 11, and the end of the plug block 10 is inserted into the slot of the side wall of the knob 11, which is convenient for the installation of the wheel body 1.

[0026] In order to protect both sides of the wheel body 1, for example, Figure 1 , Figure 4 As shown, a first end cover 5 is provided on the side of the wheel body 1 away from the support 2, a second end cover 4 is provided on the side of the wheel body 1 away from the first end cover 5, a plurality of bosses 40 are integrally formed on the side of the second end cover 4 close to the first end cover 5, and a plurality of slots adapted to the second end cover 4 are provided on the side of the first end cover 5 close to the second end cover 4.

[0027] In order to improve the stability of the block 13, for example, Figure 2 As shown, two guide rods 14 are welded and fixed on the two stoppers 6 , and two through holes matching the guide rods 14 are formed on the two clamping blocks 13 .

[0028] In order to facilitate pulling the pull rod 7, for example, Figure 2 As shown, a connecting block 70 is welded and fixed to one end of the pull rod 7 away from the insert block 10 .

[0029] In order to facilitate the rotation of the knob 11, for example, Figure 2 As shown, the side wall of the knob 11 is provided with a plurality of anti-slip grooves.

[0030] When the utility model is in use, the insert block 10, the spring 9, the pull rod 7 and the limit block 8 cooperate to prevent the knob 11 from accidentally rotating and causing the ends of the two clamping blocks 13 to fall out of the slots on both sides of the connecting rod 101. When the wheel body 1 needs to be removed and replaced, it is only necessary to pull the pull rod 7, and the pull rod 7 drives the insert block 10 to move away from the knob 11. The knob 11 is rotated, and the knob 11 drives the two-way screw rod 12 to rotate, and the two clamping blocks 13 move away from the connecting rod 101. The connecting rod 101 can be removed by pulling and pulling, so that the wheel body 1 can be removed and replaced conveniently.

[0031] When installing the wheel body 1, pull the pull rod, pass one end of the connecting rod 101 through the wheel body and insert it into the support 2, rotate the knob 11, the bidirectional screw rod 12 rotates, and the ends of the two blocks 13 are inserted into the slots on both sides of the connecting rod 101. Release the pull rod 7, the spring 9 pushes the block 10 to move toward the knob 11, and the end of the block 10 is inserted into the slot on the side wall of the knob 11, which facilitates the installation of the wheel body 1.

[0032] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the description in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of protection claimed by the utility model. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents. The contents not described in detail in the utility model belong to the prior art known to those skilled in the art.

Claims

1. An axle-core wheel, characterized in that: The invention comprises a wheel body (1), a support (2) is provided on one side of the wheel body (1), a support rod (3) is integrally formed at one end of the support (2) away from the wheel body (1), a stopper (6) is integrally formed on both sides of the support (2), a clamping block (13) is provided on both sides of the support (2), a connecting rod (101) is provided inside the support (2), a through groove for one end of the connecting rod (101) to pass through is provided on the wheel body (1), slots adapted to the ends of the clamping block (13) are provided on both sides of the connecting rod (101), a bidirectional screw rod (12) is provided between the connecting rod (101) and the support rod (3), a through hole for the bidirectional screw rod (12) to pass through is provided on the support (2), and the top end of the bidirectional screw rod (12) passes through the through hole. A stopper (6) is connected to the wheel body (1), and a knob (11) is provided on the wheel body (1). The other end of the bidirectional screw rod (12) is rotatably connected to the other stopper (6). The two clamping blocks (13) are both provided with screw holes adapted to the bidirectional screw rod (12). A limit block (8) is provided on the side of the wheel body (1) away from the wheel body (1). The limit block (8) is connected to the stopper (6) close to the knob (11). An insert block (10) is provided between the limit block (8) and the knob (11). The knob (11) is provided with a slot adapted to the insert block (10). A pull rod (7) is fixed on the side of the insert block (10) away from the knob (11). A spring (9) is sleeved on the pull rod (7). The end of the pull rod (7) away from the insert block (10) passes through the limit block (8).

2. The axle-core wheel according to claim 1, characterized in that: A first end cover (5) is provided on a side of the wheel body (1) away from the support (2), a second end cover (4) is provided on a side of the wheel body (1) away from the first end cover (5), a plurality of bosses (40) are integrally formed on a side of the second end cover (4) close to the first end cover (5), and a plurality of slots adapted to the second end cover (4) are provided on a side of the first end cover (5) close to the second end cover (4).

3. The axle-core wheel according to claim 1, characterized in that: Two guide rods (14) are fixed on the two stoppers (6), and two through holes adapted to the guide rods (14) are provided on the two clamping blocks (13).

4. The axle-core wheel according to claim 1, characterized in that: A connecting block (70) is fixed to one end of the pull rod (7) away from the insert block (10).

5. The axle-core wheel according to claim 1, characterized in that: The side wall of the knob (11) is provided with a plurality of anti-slip grooves.

Images