A hydraulic expansion pliers for machining the outer windshield of a train set
By designing a portable handle frame to fix the hydraulic cylinder and combining the structure of the pointed body, quadrature, elastic limiting disk and positioning disk, flexible adjustment and form switching of the hydraulic flaring pliers head are achieved, solving the problem of single form and limited use of the existing flaring pliers head, and improving the convenience and adaptability of use.
Patent Information
- Application Number
- CN202421248589.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The existing flared pliers have a single form, difficult to adjust, and are limited in use, so they cannot effectively adapt to the needs of different usage environments.
A hydraulic flaring pliers for processing the outer windshield of the EMU were designed, and the hydraulic cylinder was fixed using a portable handle frame. The pliers were driven by a pliers bracket and an extrusion head to rotate and adjust. Combined with the structure of the pointed body, quadrature, elastic limiting disk and positioning disk, the pliers shape was switched.
Through the rotatable and adjustable pointed parts and elastic limit structure, flexible switching of the clamp shape is achieved, adapting to different usage environments, and improving the convenience and flexibility of the flared clamp.
Smart Images
Figure CN222740136U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of expanding pliers, in particular to a hydraulic expanding pliers used for processing an outer windshield of a motor vehicle group. Background Art
[0002] During the operation of the EMU, when the vehicle is in any relative position, the windshield has little wear, good sealing and good sound insulation, which can greatly reduce the noise inside the car, prevent dust, sand, rain and frost, improve the cold resistance of the vehicle end, and has extremely high safety. The EMU relies heavily on the external windshield of the EMU to achieve this function. The operation of the external windshield often requires hydraulic expanding pliers to improve the convenience of operation.
[0003] However, the existing flaring pliers have a relatively simple plier head, which is inconvenient to adjust and is easily restricted in use. Utility Model Content
[0004] Therefore, the purpose of the utility model is to provide a hydraulic expanding pliers for processing the outer windshield of a motor vehicle unit, so as to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.
[0005] In order to achieve the above-mentioned purpose, an embodiment of the utility model on one hand provides a hydraulic expanding pliers for processing the outer windshield of an EMU, comprising a portable handle frame, a hydraulic cylinder is fixedly installed inside the portable handle frame, an extrusion head is fixedly installed on the output end of the hydraulic cylinder, a pliers head is fitted on one end of the extrusion head, a pliers bracket is rotatably connected to the middle part of the pliers head, a pointed body is rotatably connected to the inside of the pliers head, a square groove is opened inside the pointed body, a square body is clamped inside the square groove, an elastic limit plate is fixedly installed on one end of the square body, and a positioning plate is fixedly installed on the other end of the square body.
[0006] Preferably, any of the above schemes has a fixing groove adapted to the hydraulic cylinder formed inside the portable handle frame, and a connecting groove adapted to the clamp bracket formed at one end of the portable handle frame.
[0007] The above technical solution is adopted: the hydraulic cylinder is supported and fixed by the portable handle frame, which is convenient for moving and carrying the hydraulic cylinder, and the portable handle frame supports and fixes the clamp bracket, and the clamp bracket is used to support and guide the extrusion head and the clamp head.
[0008] Preferably, any of the above schemes comprises a pliers head comprising a torsion spring and a pliers body, wherein the torsion spring is fixedly mounted inside the pliers bracket, a pliers body rotatably connected to the pliers bracket is fixedly mounted on one end of the torsion spring, an oblique groove matching the extrusion head is provided at one end of the pliers body, a positioning hole is provided at the other end of the pliers body, and an end of the pliers body close to the positioning hole is arranged as a semicircular structure.
[0009] Preferably, any of the above schemes is that the extrusion head is movably connected to the inside of the clamp bracket, and bosses matching the oblique grooves are provided at both ends of the extrusion head.
[0010] The above technical solution is adopted: the hydraulic cylinder is controlled to extend and retract to drive the extrusion head to move inside the caliper bracket, so that the extrusion head drives the boss to slide in the oblique groove inside the caliper body, and the mutual extrusion between the boss and the caliper body is used to drive the caliper body to rotate inside the caliper bracket. During the rotation process, the caliper body drives the torsion spring to twist, and the torsion spring is used to give the caliper body the ability to reset.
[0011] Preferably, any of the above schemes is that two ends of the pointed body are provided with rotating shafts rotatably connected to the pliers head, and the square groove is opened inside the rotating shaft.
[0012] The above technical solution is adopted: the pointed body can be rotated inside the pliers body through the rotating shaft, and the pliers head of the expanding pliers can be switched to different shapes by adjusting the position of the pointed body. The pointed body is moved out of the pliers body to make it a pointed shape, and the pointed body is stored inside the pliers body to make it a round head shape.
[0013] Preferably, any of the above schemes comprises a limit plate and a limit spring, wherein the limit spring is fixedly mounted on one end of the rotating shaft, a limit plate movably connected to the rotating shaft is fixedly mounted on one end of the limit spring, and the limit plate is fixedly mounted on the cube.
[0014] Preferably, any of the above schemes is that positioning posts are provided on the circumference of the positioning plate, and the positioning plate is movably connected to the inside of the caliper body.
[0015] The above technical solution is adopted: according to the needs of the pointed body conversion, the positioning plate is pulled to drive the positioning column to separate from the clamp body. At the same time, the positioning plate drives the square body to move inside the square groove, so that the square body drives the limit plate to compress the limit spring, thereby releasing the limit of the pointed body by the positioning column. The pointed body is rotated to the required position and the positioning plate is released so that it drives the positioning column to be inserted into the inside of the clamp body under the action of the limit spring to position the pointed body.
[0016] Compared with the prior art, the advantages and beneficial effects of the utility model are:
[0017] 1. A rotatably adjustable pointed part is arranged inside the pliers head of the expanding pliers, and an elastic limiting structure is arranged inside the pointed part, and the elastic limiting structure is connected through a cubic structure and a positioning structure. The positioning effect of the pointed part can be adjusted by applying a force to the positioning structure according to the conversion requirement of the pointed part, so that the pointed part can be stored or unfolded according to different requirements, and the position of the pointed part can be adjusted to realize the conversion of the pliers head shape, so that the expanding pliers can adapt to different use environments and improve the convenience of using the expanding pliers.
[0018] 2. A cube, an elastic limiting structure and a positioning structure are arranged at the pointed part to facilitate the disassembly and assembly of the pointed part and improve the convenience of using the pointed part.
[0019] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0021] Figure 1 It is a structural schematic diagram according to an embodiment of the utility model;
[0022] Figure 2 It is a schematic diagram of a partial explosion structure according to an embodiment of the utility model;
[0023] Figure 3 It is a schematic cross-sectional structure diagram of a clamp support according to an embodiment of the utility model;
[0024] Figure 4 It is a schematic cross-sectional structure diagram of a pointed body according to an embodiment of the utility model;
[0025] Among them: 1-portable handle frame, 2-hydraulic cylinder, 3-extrusion head, 4-clamp head, 41-torsion spring, 42-clamp body, 5-clamp bracket, 6-pointed body, 7-square groove, 8-cubic body, 9-elastic limit plate, 91-limit spring, 92-limit plate, 10-positioning plate, 11-positioning column. DETAILED DESCRIPTION
[0026] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.
[0027] like Figure 1-4 As shown, a hydraulic expanding pliers for processing the outer windshield of an EMU according to an embodiment of the utility model comprises a portable handle frame 1, a hydraulic cylinder 2 is fixedly installed inside the portable handle frame 1, an extrusion head 3 is fixedly installed at the output end of the hydraulic cylinder 2, a pliers head 4 is fitted at one end of the extrusion head 3, a pliers bracket 5 is rotatably connected to the middle of the pliers head 4, a pointed body 6 is rotatably connected to the inside of the pliers head 4, a square groove 7 is opened inside the pointed body 6, a square body 8 is clamped inside the square groove 7, an elastic limit plate 9 is fixedly installed at one end of the square body 8, and a positioning plate 10 is fixedly installed at the other end of the square body 8.
[0028] Preferably, any of the above schemes has a fixing groove matched with the hydraulic cylinder 2 formed inside the portable handle frame 1 , and a connecting groove matched with the clamp bracket 5 formed at one end of the portable handle frame 1 .
[0029] The above technical solution is adopted: the hydraulic cylinder 2 is supported and fixed by the portable handle frame 1, which is convenient for moving and carrying the hydraulic cylinder 2, and the portable handle frame 1 supports and fixes the clamp bracket 5, and the clamp bracket 5 is used to support and guide the extrusion head 3 and the clamp head 4.
[0030] Preferably, any of the above schemes comprises a pliers head 4 including a torsion spring 41 and a pliers body 42, the torsion spring 41 is fixedly mounted inside the pliers bracket 5, one end of the torsion spring 41 is fixedly mounted with a pliers body 42 rotatably connected to the pliers bracket 5, one end of the pliers body 42 is provided with an oblique groove matching the extrusion head 3, the other end of the pliers body 42 is provided with a positioning hole, and the end of the pliers body 42 close to the positioning hole is arranged as a semicircular structure.
[0031] Preferably, any of the above solutions is that the extrusion head 3 is movably connected to the inside of the clamp bracket 5, and bosses matching the oblique grooves are provided at both ends of the extrusion head 3.
[0032] The above technical solution is adopted: the hydraulic cylinder 2 is controlled to telescope and drive the extrusion head 3 to move inside the clamp bracket 5, so that the extrusion head 3 drives the boss to slide in the oblique groove inside the clamp body 42, and the mutual extrusion between the boss and the clamp body 42 is used to drive the clamp body 42 to rotate inside the clamp bracket 5, and the clamp body 42 drives the torsion spring 41 to twist during the rotation process, and the torsion spring 41 gives the clamp body 42 the ability to reset.
[0033] Preferably, any of the above schemes has two ends of the pointed body 6 provided with rotating shafts rotatably connected to the pliers head 4, and the square groove 7 is formed inside the rotating shaft.
[0034] The above technical solution is adopted: the pointed body 6 can be rotated inside the pliers body 42 through the rotating shaft, and the position of the pointed body 6 can be adjusted to switch the pliers head 4 of the expanding pliers to different shapes. The pointed body 6 is moved out of the pliers body 42 to be in a pointed shape, and the pointed body 6 is stored in the pliers body 42 to be in a round head shape.
[0035] Preferably, any of the above schemes comprises a limiting plate 9 including a limiting spring 91 and a limiting plate 92, the limiting spring 91 is fixedly mounted on one end of the rotating shaft, one end of the limiting spring 91 is fixedly mounted with a limiting plate 92 movably connected to the rotating shaft, and the limiting plate 92 and the cube 8 are fixedly mounted.
[0036] Preferably, any of the above solutions is that a positioning column 11 is provided on the circumference of the positioning plate 10 , and the positioning plate 10 is movably connected to the inside of the caliper body 42 .
[0037] The above technical solution is adopted: according to the demand for conversion of the pointed body 6, the positioning plate 10 is pulled to drive the positioning column 11 to separate from the pliers body 42. At the same time, the positioning plate 10 drives the cube 8 to move inside the square groove 7, so that the cube 8 drives the limiting plate 92 to compress the limiting spring 91, thereby releasing the limiting of the pointed body 6 by the positioning column 11, and rotating the pointed body 6 to the required position to release the positioning plate 10 so that it drives the positioning column 11 to be stuck in the inside of the pliers body 42 under the action of the limiting spring 91 to position the pointed body 6.
[0038] The utility model discloses a hydraulic expansion pliers for processing the outer windshield of a motor vehicle, and the working principle is as follows:
[0039] After pulling the positioning disk 10, the pointed body 6 is rotated to the required position and the positioning disk 10 is released. The portable handle frame 1 is moved to move the pliers head 4 to the required position. The hydraulic cylinder 2 is controlled to extend and drive the extrusion head 3 to push the pliers body 42, and the pliers body 42 drives the pointed body 6 to rotate.
[0040] Compared with the prior art, the present invention has the following beneficial effects:
[0041] 1. A rotatably adjustable pointed component is arranged inside the pliers head 4 of the expanding pliers, and an elastic limiting structure is arranged inside the pointed part, and the elastic limiting structure is connected through a cubic structure and a positioning structure. The positioning effect of the pointed part can be adjusted by applying a force to the positioning structure according to the conversion requirement of the pointed part, so that the pointed part can be stored or unfolded according to different requirements, and the position of the pointed part can be adjusted to realize the conversion of the pliers head 4, so that the expanding pliers can adapt to different use environments and improve the convenience of using the expanding pliers.
[0042] 2. A cube, an elastic limiting structure and a positioning structure are arranged at the pointed part to facilitate the disassembly and assembly of the pointed part and improve the convenience of using the pointed part.
Claims
1. A hydraulic flaring pliers for machining the outer windshield of a train unit, comprising a portable handle frame (1), a hydraulic cylinder (2) fixedly mounted inside the portable handle frame (1), an extrusion head (3) fixedly mounted at the output end of the hydraulic cylinder (2), characterized in that: One end of the extrusion head (3) is fitted with a clamp head (4), the middle part of the clamp head (4) is rotatably connected to a clamp support (5), the inside of the clamp head (4) is rotatably connected to a pointed body (6), a square groove (7) is provided inside the pointed body (6), a square body (8) is clamped inside the square groove (7), an elastic limiting plate (9) is fixedly installed on one end of the square body (8), and a positioning plate (10) is fixedly installed on the other end of the square body (8).
2. A hydraulic expanding pliers for machining the outer windshield of a train set as claimed in claim 1, characterized in that: A fixing groove matched with the hydraulic cylinder (2) is provided inside the portable handle frame (1), and a connecting groove matched with the clamp bracket (5) is provided at one end of the portable handle frame (1).
3. A hydraulic expanding pliers for machining the outer windshield of a train set as claimed in claim 2, characterized in that: The pliers head (4) comprises a torsion spring (41) and a pliers body (42); the torsion spring (41) is fixedly mounted inside the pliers bracket (5); one end of the torsion spring (41) is fixedly mounted with a pliers body (42) rotatably connected to the pliers bracket (5); one end of the pliers body (42) is provided with an oblique groove adapted to the extrusion head (3); the other end of the pliers body (42) is provided with a positioning hole; the end of the pliers body (42) close to the positioning hole is arranged in a semicircular structure.
4. A hydraulic expanding pliers for machining the outer windshield of a train set as claimed in claim 3, characterized in that: The extrusion head (3) is movably connected to the inside of the clamp bracket (5), and bosses matching the oblique grooves are arranged at both ends of the extrusion head (3).
5. A hydraulic expanding pliers for machining the outer windshield of a train set as claimed in claim 4, characterized in that: Both ends of the pointed body (6) are provided with rotating shafts which are rotatably connected to the pliers head (4), and the square groove (7) is arranged inside the rotating shaft.
6. A hydraulic expanding pliers for machining the outer windshield of a train set as claimed in claim 5, characterized in that: The elastic limiting disk (9) comprises a limiting spring (91) and a limiting plate (92); the limiting spring (91) is fixedly mounted on one end of the rotating shaft; one end of the limiting spring (91) is fixedly mounted with a limiting plate (92) movably connected to the rotating shaft; the limiting plate (92) and the cube (8) are fixedly mounted.
7. A hydraulic expanding pliers for machining the outer windshield of a train set as claimed in claim 6, characterized in that: A positioning column (11) is arranged on the circumference of the positioning plate (10), and the positioning plate (10) is movably connected to the interior of the clamp body (42).