Thermoplastic vulcanized rubber dust cover

Abstract

The utility model relates to a thermoplastic vulcanized rubber dust cover, in particular to the technical field of dust covers. The telescopic sleeve ring comprises the upper connecting section, the telescopic section, the lower connecting section, the mounting groove, the sleeve ring and the locking mechanism, the adjusting end is inserted into the cavity of the fixed end by pulling the handle, the inserting length of the adjusting end is controlled according to actual requirements, so that the caliber of the sleeve ring is adjusted to adapt to mounting in different scenes, and the sleeve ring is adjusted to the required caliber according to requirements. Due to the fact that the multiple adjusting holes are formed, after the adjusting holes are aligned with the clamping holes, the handle is loosened, the clamping blocks are clamped in the adjusting holes and the clamping holes in the bottom of the fixing end under the action of the elastic force of the springs, rapid installation is achieved, and when disassembly is needed, the handle is pulled as well, the clamping blocks are separated from the adjusting holes and the clamping holes in the bottom of the fixing end. And then the adjusting end is pulled out of the cavity of the fixed end, so that the dust cover can be quickly dismounted, the dismounting process is simple and convenient, and quick mounting of the dust cover can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of dust covers, in particular to a thermoplastic vulcanized rubber dust cover. Background Art

[0002] Patent document CN220600448U discloses a blow-molded automotive dust cover made of thermoplastic rubber. The cover comprises an upper connecting section, the bottom of which is fixedly connected to a telescopic section, the bottom of which is fixedly connected to a lower connecting section. The telescopic section has an outer telescopic groove formed on its surface, and an inner telescopic groove formed within its inner cavity. Mounting grooves are formed at both the top and bottom of the upper connecting section, and the mounting grooves are provided with locking mechanisms comprising a locking ring, a first connecting block, and a second connecting block. This blow-molded automotive dust cover, through the coordinated use of the mounting grooves, the locking mechanism, and the locking mechanism, solves the problem of existing devices requiring the use of a designated tool for locking during actual use, making the device inaccessible without tools and the time-consuming and labor-intensive locking process. However, the diameter of the locking ring of this dust cover is difficult to adjust and cannot be used for installation in different scenarios. In addition, the locking ring of this dust cover requires screws and nuts when fixed, and the disassembly and assembly process is relatively cumbersome, and cannot be quickly disassembled and assembled. Utility Model Content

[0003] (1) Technical problems to be solved

[0004] The utility model provides a steel bar bending device for construction engineering, which overcomes the shortcomings of the existing dust cover's locking ring, which is difficult to adjust the diameter and cannot be applied to installation in different scenes; the locking ring of the dust cover requires screws and nuts when fixed, the disassembly and assembly process is cumbersome, and quick disassembly and assembly cannot be achieved.

[0005] (2) Technical solution

[0006] In order to solve the above technical problems, the utility model provides a thermoplastic vulcanized rubber dust cover, including an upper connecting section, a telescopic section, a lower connecting section, a mounting groove, a ring, and a locking mechanism. The bottom end of the upper connecting section is fixedly connected to the telescopic section, and the bottom end of the telescopic section is fixedly connected to the lower connecting section. The top end of the upper connecting section and the bottom end of the lower connecting section are both provided with the mounting groove for installing the ring. One end of the ring is an adjusting end and the other end is a fixed end. A cavity for inserting the adjusting end is provided in the fixed end. An adjusting hole is provided on the adjusting end. The locking mechanism is installed on the fixed end. The fixed end and the adjusting end are fixed by the locking mechanism.

[0007] Preferably, the locking mechanism includes a card plate, a card block, a handle, and a spring. An installation chamber for installing the locking mechanism is provided in the fixed end above the cavity. The card plate is movably installed in the installation chamber. The card block is fixedly provided at the bottom of the card plate. The handle is fixedly provided at the top of the card plate. The card block passes through the bottom of the installation chamber and the cavity and is clamped in the adjustment hole and the card hole at the bottom of the fixed end. The upper end of the handle passes through the top of the installation chamber and extends to the outside of the fixed end. The spring is connected between the top of the card plate and the inner wall of the top of the installation chamber.

[0008] Preferably, the number of the clamping holes is consistent with the number of the clamping blocks and is at least three.

[0009] Preferably, the positions of the clamping holes and the positions of the clamping blocks are arranged in a one-to-one correspondence.

[0010] Preferably, there are a plurality of the adjustment holes, and the distance between every two adjacent adjustment holes is consistent with the distance between every two adjacent clamping holes.

[0011] Preferably, the shape and size of the adjusting hole and the clamping hole are adapted to the shape and size of the clamping block.

[0012] (3) Beneficial effects

[0013] The utility model provides a thermoplastic vulcanized rubber dust cover, which overcomes the shortcomings of existing dust covers, such as the inconvenient adjustment of the diameter of the locking ring, the inability to adapt to different installation scenarios, and the need for screws and nuts to fix the locking ring, which makes the assembly and disassembly process cumbersome and prevents quick assembly and disassembly. Compared with the existing technology, the utility model has the following advantages:

[0014] 1. By pulling the handle, insert the adjusting end into the cavity of the fixed end. According to actual needs, control the insertion length of the adjusting end to adjust the diameter of the ring to adapt to installation in different scenarios.

[0015] 2. Adjust to the required caliber according to needs. Since several adjustment holes are set, after aligning the adjustment hole with the card hole, release the handle, and the card block is clamped in the adjustment hole and the card hole at the bottom of the fixed end under the action of the spring force, so as to achieve quick installation. When disassembly is required, pull the handle in the same way, the card block will be separated from the adjustment hole and the card hole at the bottom of the fixed end, and then pull the adjustment end out of the cavity of the fixed end, so that the dust cover can be quickly removed. The disassembly and assembly process is relatively simple, and the dust cover can be quickly installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of the utility model without the collar installed.

[0017] Figure 2It is a structural diagram of the collar of the utility model.

[0018] Figure 3 This is a structural diagram of the utility model when the adjusting end is inserted into the fixed end and is not locked.

[0019] Figure 4 This is a structural diagram of the utility model when the adjusting end is inserted into the fixed end and locked.

[0020] The figures are marked as follows: 1-upper connecting section, 2-telescopic section, 3-lower connecting section, 4-installation groove, 5-ring, 51-adjustment end, 511-adjustment hole, 52-fixed end, 521-cavity, 522-installation chamber, 523-card hole, 6-locking mechanism, 61-card plate, 62-card block, 63-handle, 64-spring. DETAILED DESCRIPTION

[0021] The present invention will be further described with reference to the accompanying drawings and embodiments.

[0022] like Figures 1 to 4 As shown, the utility model describes a thermoplastic vulcanized rubber dust cover, comprising an upper connecting section 1, a telescopic section 2, a lower connecting section 3, a mounting groove 4, a collar 5, and a locking mechanism 6. The bottom end of the upper connecting section 1 is fixedly connected to the telescopic section 2, and the bottom end of the telescopic section 2 is fixedly connected to the lower connecting section 3. The top end of the upper connecting section 1 and the bottom end of the lower connecting section 3 are both provided with the mounting groove 4 for installing the collar 5. One end of the collar 5 is an adjusting end 51, and the other end is a fixed end 52. A cavity 521 for inserting the adjusting end 51 is provided in the fixed end 52, and an adjusting hole 511 is provided on the adjusting end 51. The locking mechanism 6 is installed on the fixed end 52, and the fixed end 52 and the adjusting end 51 are fixed by the locking mechanism 6.

[0023] The locking mechanism 6 includes a card plate 61, a card block 62, a handle 63, and a spring 64. An installation chamber 522 for installing the locking mechanism 6 is provided in the fixed end 52 above the cavity 521. The card plate 61 is movably installed in the installation chamber 522. The card block 62 is fixedly provided at the bottom of the card plate 61, and the handle 63 is fixedly provided at the top of the card plate 61. The card block 62 passes through the bottom of the installation chamber 522 and the cavity 521 and is clamped in the adjusting hole 511 and the card hole 523 at the bottom of the fixed end 52. The upper end of the handle 63 passes through the top of the installation chamber 522 and extends to the outside of the fixed end 52. The spring 64 is connected between the top of the card plate 61 and the inner wall of the top of the installation chamber 522.

[0024] The number of the locking holes 523 is consistent with the number of the locking blocks 62 and is at least three. The positions of the locking holes 523 and the positions of the locking blocks 62 are arranged in a one-to-one correspondence.

[0025] There are a plurality of adjustment holes 511 , and the distance between each two adjacent adjustment holes 511 is consistent with the distance between two adjacent clamping holes 523 . The shapes and sizes of the adjustment holes 511 and the clamping holes 523 are adapted to the shapes and sizes of the clamping block 62 .

[0026] In actual operation, the dust cover is sleeved on the surface of the installation location, the inner cavity of the collar 5 is sleeved on the surface of the installation groove 4, the handle 63 is pulled, and the adjusting end 51 is inserted into the cavity 521 of the fixed end 52. The insertion length of the adjusting end 51 is controlled according to actual needs to adjust the caliber of the collar 5. After adjusting to the required caliber, the adjusting hole 511 is aligned with the locking hole 523, and the handle 63 is released. The clamping block 62 is clamped in the adjusting hole 511 and the locking hole 523 at the bottom of the fixed end 52 under the action of the spring 64, achieving quick installation. When disassembly is required, the handle 63 is also pulled, and the clamping block 62 is disengaged from the adjusting hole 511 and the locking hole 523 at the bottom of the fixed end 52. Then, the adjusting end 51 is pulled out of the cavity 521 of the fixed end 52, and the dust cover can be quickly removed. The content not described in detail in this specification belongs to the existing technology known to professionals in this field.

[0027] The above-described embodiments merely represent preferred embodiments of the present invention, and their descriptions are relatively specific and detailed. However, the present invention is not limited to these embodiments. It should be noted that any improvements made without departing from the spirit of the present invention are within the scope of protection of the present invention. Therefore, the scope of protection of this utility model patent shall be based on the appended claims.

Claims

1. A thermoplastic vulcanized rubber dust cover, characterized in that: The invention comprises an upper connecting section (1), a telescopic section (2), a lower connecting section (3), a mounting groove (4), a collar (5), and a locking mechanism (6). The bottom end of the upper connecting section (1) is fixedly connected to the telescopic section (2), the bottom end of the telescopic section (2) is fixedly connected to the lower connecting section (3), the top end of the upper connecting section (1) and the bottom end of the lower connecting section (3) are both provided with the mounting groove (4) for installing the collar (5), one end of the collar (5) is an adjusting end (51), and the other end is a fixed end (52), a cavity (521) for inserting the adjusting end (51) is provided in the fixed end (52), an adjusting hole (511) is provided on the adjusting end (51), and the locking mechanism (6) is installed on the fixed end (52), and the fixing end (52) and the adjusting end (51) are fixed by the locking mechanism (6).

2. A thermoplastic vulcanized rubber dust cover according to claim 1, characterized in that: The locking mechanism (6) includes a card plate (61), a card block (62), a handle (63), and a spring (64). An installation chamber (522) for installing the locking mechanism (6) is provided in the fixed end (52) above the cavity (521). The card plate (61) is movably installed in the installation chamber (522). The card block (62) is fixedly provided at the bottom of the card plate (61). The handle (63) is fixedly provided at the top of the card plate (61). The card block (62) passes through the bottom of the installation chamber (522) and the cavity (521) and is clamped in the adjusting hole (511) and the card hole (523) at the bottom of the fixed end (52). The upper end of the handle (63) passes through the top of the installation chamber (522) and extends to the outside of the fixed end (52). The spring (64) is connected between the top of the card plate (61) and the inner wall of the top of the installation chamber (522).

3. The thermoplastic vulcanized rubber dust cover according to claim 2, characterized in that: The number of the clamping holes (523) is consistent with the number of the clamping blocks (62) and is at least three.

4. The thermoplastic vulcanized rubber dust cover according to claim 2, characterized in that: The position of the clamping hole (523) is arranged in a one-to-one correspondence with the position of the clamping block (62).

5. The thermoplastic vulcanized rubber dust cover according to claim 3, characterized in that: There are a plurality of the adjustment holes (511), and the distance between each two adjacent adjustment holes (511) is consistent with the distance between each two adjacent clamping holes (523).

6. The thermoplastic vulcanized rubber dust cover according to claim 2, characterized in that: The shape and size of the adjustment hole (511) and the clamping hole (523) are adapted to the shape and size of the clamping block (62).

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