CN220220298U - Tire case assembly and disassembly tools - Google Patents

Abstract

The utility model relates to the technical field of automobile repair, in particular to a tire valve core dismounting tool, which comprises a mounting frame and a dismounting assembly, wherein the dismounting assembly is rotatably arranged in the mounting frame, the front end of the mounting frame is connected with the peripheral threads of a tire air tap, and the mounting frame is used for keeping the coaxial state between the dismounting assembly and the air tap; the dismounting assembly comprises an elastic telescopic assembly, the front end of the elastic telescopic assembly is detachably provided with a dismounting head, and the tail end of the elastic telescopic assembly is fixedly provided with a knob for screwing; the periphery of the elastic telescopic component is sleeved with an adjusting component in a sliding manner, the adjusting component is connected with the mounting frame in a sliding manner, and the adjusting component is used for controlling the elastic telescopic component to perform contraction action; through the fixed connection between mounting bracket and the air cock for remain coaxial positional relationship all the time between dismouting subassembly and the air cock, improved the axiality between case and the air cock when the installation case.

Description

A tire valve core disassembly and assembly tool

Technical field

The utility model relates to the technical field of automobile repair, specifically a tire valve core disassembly and assembly tool.

Background technique

During the auto repair process, when the tire valve is leaking, the valve core is clogged, or the valve core is damaged, the valve core needs to be inspected.

In the prior art, a valve core wrench is usually used to disassemble and assemble the valve core. The valve core wrench includes a handle and a disassembly and assembly head. The front end of the disassembly and assembly head is provided with a disassembly and assembly groove that matches the valve core. When disassembly and assembly, the valve core wrench will be disassembled and assembled. The installation head is inserted into the valve core and air nozzle, and then the valve core is rotated by turning the handle, thereby completing the disassembly and assembly between the valve core and the air nozzle.

However, there are still the following problems in the process of disassembling and assembling the valve core using the existing valve core wrench:

When the valve core wrench is manually operated to apply force to the valve core to rotate, the force exerted by the wrench on the valve core is not aligned with the axis of the air nozzle, resulting in uneven stress on the threads between the valve core and the air nozzle, and prone to tightening. The problem of thread damage caused by misalignment between the valve core and the valve.

Utility model content

The purpose of this utility model is to provide a tire valve core disassembly and assembly tool to solve the problems raised in the above background technology.

The purpose of this utility model can be achieved through the following technical solutions:

A tire valve core disassembly and assembly tool includes a mounting frame and a disassembly assembly. The disassembly assembly is rotatably installed in the mounting frame. The front end of the mounting frame is threadedly connected to the periphery of the tire valve. The mounting frame is used to Keep the disassembly component and the valve in a coaxial state;

The disassembly and assembly assembly includes an elastic expansion and contraction assembly, the front end of the elastic expansion and contraction assembly is detachably installed with a disassembly and assembly head, and the rear end of the elastic expansion and contraction assembly is fixedly installed with a knob for tightening;

The peripheral sliding sleeve of the elastic telescopic component is provided with an adjusting component, and the adjusting component is slidingly connected to the mounting bracket. The adjusting component is used to control the elastic telescopic component to perform a contraction action.

Further, the installation frame includes a connecting sleeve. The inner wall of the connecting sleeve is provided with internal threads for threaded connection with the periphery of the gas nozzle. The top surface of the connecting sleeve is fixedly connected with two sliding rods arranged parallel to each other. One end of each of the sliding rods away from the connecting sleeve is fixedly connected to a mounting plate;

A mounting groove coaxial with the connecting sleeve is provided on the side of the mounting plate, and a rotation bearing for installing the elastic telescopic component is fixedly installed in the mounting groove.

Further, the elastic telescopic component includes a hollow rod that penetrates the rotating bearing, and the hollow rod is fixedly connected to the rotating bearing. The knob is fixedly installed on one end of the hollow rod away from the connecting sleeve, and the hollow rod is close to the connecting sleeve. One end of the hollow rod is slidably inserted with an insertion rod, and the periphery of the hollow rod is provided with two slide grooves arranged symmetrically about the axis of the hollow rod in the part between the connecting sleeve and the mounting plate;

The end of the insertion rod located outside the hollow rod is removably and fixedly mounted with the disassembly and assembly head, and the end of the insertion rod located inside the hollow rod is fixedly connected with a slider, and the slider is fixed to the inner top surface of the hollow rod. A spring is connected, and two limiting posts are rotatably connected to the periphery of the slider. One end of the two limiting posts away from the slider passes through the two chute and extends to the outside of the hollow rod. Rolling contact between the periphery and the sides of the chute.

Further, the disassembly and assembly head includes a cylinder fixedly connected to the insertion rod, a clamping slot is provided at one end of the cylinder away from the insertion rod, and a positioning groove coaxially arranged with the cylinder is provided on the bottom surface of the clamping slot. , a magnetic block is fixedly installed in the positioning groove.

Further, the adjustment assembly includes a lifting ring that is slidably sleeved on the periphery of the hollow rod. The lifting ring is located between the connecting sleeve and the mounting plate. Two symmetrically arranged bumps are fixedly installed on the periphery of the lifting ring. One end of each of the bumps away from the lifting ring is slidingly connected to two sliding rods respectively;

Under the elastic force of the spring, the periphery of the limiting column is in extrusion rolling contact with the side of the lifting ring close to the mounting plate.

Beneficial effects of this utility model:

1. During the disassembly and assembly process of the valve core, this utility model maintains a coaxial positional relationship between the disassembly and assembly components and the air nozzle through the fixed connection between the mounting bracket and the air nozzle, which improves the efficiency of installing the valve core. The coaxiality between the valve core and the valve is solved, which solves the problem that the thread threads are easily damaged when the valve core and the valve are installed out of alignment.

2. In the disassembly and assembly assembly of this utility model, the elastic force of the spring provides the squeezing force on the valve core. The user only needs to apply the force of the rotating knob during the disassembly and assembly process of the valve core. This setting simplifies the valve core. The disassembly and assembly work saves labor while also avoiding the problem that applying force in multiple directions can easily reduce the alignment accuracy between the valve core and the valve.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings needed to describe the embodiments or the prior art. Obviously, for those of ordinary skill in the art, Generally speaking, other drawings can also be obtained based on these drawings without exerting creative work;

Figure 1 is a three-dimensional schematic diagram of the overall structure of the utility model;

Figure 2 is a three-dimensional schematic diagram of the mounting bracket in the utility model;

Figure 3 is a three-dimensional schematic diagram of the disassembly and assembly components of the utility model;

Figure 4 is an enlarged view of part A in Figure 3;

Figure 5 is a schematic diagram of the disassembly and assembly head of the utility model;

Among them, the reference signs are as follows:

1-Connecting sleeve, 2-Mounting plate, 3-Sliding rod, 4-Disassembly component, 5-Internal thread, 6-Mounting slot, 7-Rotating bearing, 8-Knob, 9-Hollow rod, 10-Disassembly head , 11-insertion rod, 12-bump, 13-lift ring, 14-spring, 15-chute, 16-slide block, 17-limiting column, 18-cylinder, 19-magnetic block, 20-positioning slot , 21-card slot.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Example 1:

Please refer to Figure 5. In an embodiment of the present invention, a tire valve core disassembly and assembly tool includes a mounting frame and a disassembly assembly 4. The disassembly assembly 4 is rotatably installed in the mounting frame. The front end of the mounting frame is connected to the tire valve. The peripheral threaded connection is used to maintain the coaxial state between the disassembly component 4 and the air nozzle;

The disassembly and assembly component 4 includes an elastic telescopic component. The front end of the elastic telescopic component is removably installed with a disassembly and assembly head 10, and the rear end of the elastic telescopic component is fixedly installed with a knob 8 for tightening;

The peripheral sliding sleeve of the elastic telescopic component is provided with an adjusting component, and the adjusting component is slidingly connected to the mounting bracket. The adjusting component is used to control the contraction of the elastic telescopic component.

As shown in Figure 1, the installation frame includes a connecting sleeve 1. The inner wall of the connecting sleeve 1 is provided with an internal thread 5 for threaded connection with the periphery of the valve. The top surface of the connecting sleeve 1 is fixedly connected with two sliding slides arranged parallel to each other. Rod 3, one end of the two sliding rods 3 away from the connecting sleeve 1 is fixedly connected to the mounting plate 2;

A mounting groove 6 coaxial with the connecting sleeve 1 is provided on the side of the mounting plate 2, and a rotation bearing 7 for installing the elastic telescopic component is fixedly installed in the mounting groove 6.

As shown in Figures 1, 3 and 4, the elastic telescopic assembly includes a hollow rod 9 that penetrates the rotating bearing 7, and the hollow rod 9 is fixedly connected to the rotating bearing 7. The end of the hollow rod 9 away from the connecting sleeve 1 is fixedly installed. The knob 8 and the hollow rod 9 are slidably inserted into one end of the hollow rod 9 close to the connecting sleeve 1 and have an insertion rod 11. The hollow rod 9 has two axes symmetrical with respect to the axis of the hollow rod 9 in the part between the connecting sleeve 1 and the mounting plate 2. Chute 15 provided;

One end of the insertion rod 11 located outside the hollow rod 9 is removably and fixedly installed with a disassembly and assembly head 10. One end of the insertion rod 11 located inside the hollow rod 9 is fixedly connected with a slider 16. The slider 16 is connected to the inner top surface of the hollow rod 9. A spring 14 is fixedly connected between them, and two limiting posts 17 are rotationally connected to the periphery of the slider 16. One end of the two limit posts 17 away from the slider 16 passes through two slide grooves 15 and extends to the outside of the hollow rod 9. , there is rolling contact between the periphery of the limiting column 17 and the side surface of the chute 15 .

As shown in Figures 3 and 5, the disassembly and assembly head 10 includes a cylinder 18 fixedly connected to the insertion rod 11. The cylinder 18 has a slot 21 at one end away from the insertion rod 11, and a slot 21 is provided on the bottom of the slot 21 to connect with the column. The body 18 is provided with a positioning groove 20 coaxially, and a magnet block 19 is fixedly installed in the positioning groove 20 .

When this utility model is in use:

Remove the cap of the valve, and then connect the connecting sleeve 1 instead of the cap to the open end of the valve and the peripheral thread of the valve;

When disassembling the valve core, the disassembly and assembly head 10 is in extrusion contact with the valve core under the elastic force of the spring 14. At this time, the installation plate 2 is rotated through the knob 8, so that the valve core and the disassembly and assembly head 10 are aligned and engaged, and then Then continue to rotate the mounting plate 2 to drive the valve core to rotate until the valve core and the air nozzle are separated; then adjust the assembly to make the insertion rod 11 shrink toward the inside of the hollow rod 9 until the disassembly and assembly head 10 removes the valve core from the air nozzle. Remove it, and finally take out the valve core from the disassembly and assembly head 10.

When installing the valve core, keep the disassembly and assembly head 10 outside the valve, then install the valve core in the disassembly and assembly head 10, and then slowly release the insert rod 11 so that the valve core enters the valve, and then passes through Turn the knob 8 to tighten the valve core in the valve, thereby completing the installation of the valve core.

After the disassembly and assembly head 10 is docked with the valve core, the front end portion of the valve core extends into the positioning groove 20, and the magnetic block 19 in the positioning groove 20 attracts the valve core to facilitate the removal of the valve core from the valve.

During the process of disassembling and assembling the valve core, the utility model uses a fixed connection between the mounting bracket and the air nozzle to always maintain a coaxial positional relationship between the disassembly and assembly components and the air nozzle, thereby improving the efficiency of the valve core when installing the valve core. The coaxiality between the core and the valve solves the problem of thread damage that is easily caused when the valve core and valve are installed out of alignment.

In the disassembly and assembly assembly, the elastic force of the spring 14 provides the squeezing force on the valve core. The user only needs to apply the force of the rotating knob 8 during the disassembly and assembly process of the valve core. This arrangement simplifies the disassembly and assembly of the valve core. Work, while saving labor, it also avoids the problem that force application in multiple directions can easily reduce the alignment accuracy between the valve core and the valve.

Example 2:

Please refer to Figure 4. On the basis of Embodiment 1, the adjustment assembly includes a lifting ring 13 that is slidably sleeved on the periphery of the hollow rod 9. The lifting ring 13 is located between the connecting sleeve 1 and the mounting plate 2. On the periphery of the lifting ring 13 Two symmetrically arranged bumps 12 are fixedly installed, and one end of the two bumps 12 away from the lifting ring 13 is slidingly connected to the two slide rods 3 respectively;

Under the elastic force of the spring 14, the periphery of the limiting column 17 is in pressing and rolling contact with the side of the lifting ring 13 close to the mounting plate 2.

When the insertion rod 11 needs to be contracted, the lifting ring 13 is moved upward. The lifting ring 13 drives the slider 16 to slide toward the top of the hollow rod 9 through contact with the limiting column 17, thereby driving the insertion rod 11 toward the center of the hollow rod 9. The purpose of shrinkage is to improve the installation stability between the hollow rod 9 and the mounting plate 2 through the setting of the lifting ring 13 on the periphery of the hollow rod 9, thereby further improving the operational stability of the disassembly and assembly of the valve core.

The basic principles, main features and advantages of the present utility model are shown and described above. Those skilled in the industry should understand that the present utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model can be There will also be various changes and improvements in the new model, and these changes and improvements all fall within the scope of the claimed utility model.

Claims (5)

1. A tire valve core disassembly and assembly tool, including a mounting frame and a disassembly assembly (4). The disassembly assembly (4) is rotatably installed in the mounting frame. It is characterized in that the front end of the mounting frame is in contact with the tire. The peripheral thread connection of the valve is connected, and the mounting bracket is used to maintain the coaxial state between the disassembly component (4) and the valve; The disassembly and assembly component (4) includes an elastic telescopic component. The front end of the elastic telescopic component is removably installed with a disassembly and assembly head (10). The rear end of the elastic telescopic component is fixedly installed with a knob (8) for tightening. ); The peripheral sliding sleeve of the elastic telescopic component is provided with an adjusting component, and the adjusting component is slidingly connected to the mounting bracket. The adjusting component is used to control the elastic telescopic component to perform a contraction action. 2. A tire valve core disassembly and assembly tool according to claim 1, characterized in that the mounting frame includes a connecting sleeve (1), and the inner wall of the connecting sleeve (1) is provided with a hole for connecting with the periphery of the valve. The internal thread (5) of the threaded connection is fixedly connected to the top surface of the connecting sleeve (1) with two sliding rods (3) arranged parallel to each other. The two sliding rods (3) are away from one end of the connecting sleeve (1). Commonly fixedly connected with a mounting plate (2); A mounting groove (6) coaxial with the connecting sleeve (1) is provided on the side of the mounting plate (2), and a rotation bearing (7) for installing the elastic telescopic component is fixedly installed in the mounting groove (6). 3. A tire valve core disassembly and installation tool according to claim 2, characterized in that the elastic telescopic component includes a hollow rod (9) penetrating the rotation bearing (7), and the hollow rod (9) and The rotating bearings (7) are fixedly connected, the end of the hollow rod (9) away from the connecting sleeve (1) is fixedly installed with the knob (8), and the end of the hollow rod (9) close to the connecting sleeve (1) is slidably inserted A plug-in rod (11) is provided, and two slide grooves arranged symmetrically about the axis of the hollow rod (9) are provided on the periphery of the hollow rod (9) in the part between the connecting sleeve (1) and the mounting plate (2). (15); The disassembly and assembly head (10) is removably and fixedly installed on one end of the insertion rod (11) located outside the hollow rod (9), and a slider is fixedly connected on one end of the insertion rod (11) located inside the hollow rod (9). (16), a spring (14) is fixedly connected between the slider (16) and the inner top surface of the hollow rod (9), and two limiting posts (17) are rotationally connected to the periphery of the slider (16). , one end of the two limiting posts (17) away from the slider (16) passes through the two chute (15) and extends to the outside of the hollow rod (9), and the periphery of the limiting post (17) is connected with the Rolling contact between the sides of the chute (15). 4. A tire valve core disassembly and assembly tool according to claim 3, characterized in that the disassembly and assembly head (10) includes a cylinder (18) fixedly connected to the insertion rod (11), and the cylinder (18) A slot (21) is provided at one end away from the insertion rod (11), and a positioning slot (20) coaxially arranged with the cylinder (18) is provided on the bottom of the slot (21). A magnetic block (19) is fixedly installed in the slot (20). 5. A tire valve core disassembly and assembly tool according to claim 3, characterized in that the adjustment component includes a lifting ring (13) slidably sleeved on the periphery of the hollow rod (9), and the lifting ring (13) is 13) Located between the connecting sleeve (1) and the mounting plate (2), two symmetrical bumps (12) are fixedly installed on the periphery of the lifting ring (13), and the two bumps (12) are far away from the lifting ring (13). One end of the ring (13) is slidingly connected to the two sliding rods (3) respectively; Under the elastic force of the spring (14), the periphery of the limiting column (17) is in extrusion rolling contact with the side of the lifting ring (13) close to the mounting plate (2).