Multifunctional pin shaft press-fitting clamp

By amplifying the operating force through gear and rack transmission and the principle of lever, a multi-functional pin press-fitting clamp was designed, which solves the problems of low efficiency and difficulty in guaranteeing accuracy in traditional pin press-fitting methods, and realizes efficient and accurate installation of multiple types of pins.

CN223863691UActive Publication Date: 2026-02-03SUOTONG QILI CARBON MATERIAL CO LTD
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Patent Information

Application Number
CN202520382954.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-02-03
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

Traditional pin press-fitting methods are labor-intensive, inefficient, and difficult to guarantee accuracy. Existing tools have limited functionality and are difficult to adapt to the installation needs of different types of pins.

Method used

A multi-functional pin press clamp was designed, which uses gear and rack transmission to achieve high torque output, utilizes the lever principle to amplify the operating force, and is equipped with replaceable chucks to adapt to various types of pins, and comes with a tapping head to assist in installation.

Benefits of technology

It achieves efficient and precise pin installation, is compatible with various pin models, is easy to operate, and has a novel structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multifunctional pin shaft press-fitting clamp which comprises a clamping arm assembly, the clamping arm assembly is divided into a fixed clamping arm and a movable clamping arm, the movable clamping arm can move relative to the fixed clamping arm, and the space between the movable clamping arm and the fixed clamping arm is a pin shaft press-fitting space. The transmission assembly is integrated between the movable clamping arm and the fixed clamping arm; and the operating handle is connected with the transmission assembly and is used for driving the transmission assembly to move so as to drive the movable clamping arm to move relative to the fixed clamping arm. According to the pin shaft press-fitting clamp, large torque output is achieved through gear and rack transmission, operating force is amplified according to the large-advantage lever principle, meanwhile, a replaceable chuck is arranged to adapt to pin shafts of various models, and the pin shaft press-fitting clamp is provided with a knocking head capable of assisting in installation of the pin shafts. The device is novel in structure and convenient to operate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical assembly tool technical field especially relates to a multifunctional pin shaft press -fitting pliers. BACKGROUND

[0002] In the assembly process of mechanical equipment, the press -fitting of pin shaft is a common and important technology. The traditional manual press -fitting mode not only is great in labor intensity, low in efficiency, and the installation precision is difficult to guarantee. Although the existing press -fitting tool improves the efficiency to some extent, but often single -function, it is difficult to adapt to the installation demand of different models of pin shaft. Therefore, it is necessary to develop a multifunctional, high -efficient, high -precision pin shaft press -fitting pliers.

[0003] Therefore, based on the above technical problems, the technical personnel in the art need to develop a multifunctional pin shaft press -fitting pliers. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of multifunctional pin shaft press -fitting pliers, the pin shaft press -fitting pliers is realized big torque output by gear rack drive, and leverage principle is amplified operating force using big advantage, simultaneously equipped with replaceable chuck to adapt to multiple models of pin shaft, and with the knock head that can assist installation pin shaft.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of multifunctional pin shaft press -fitting pliers of the utility model, the pin shaft press -fitting pliers includes:

[0007] Clamping arm assembly, the clamping arm assembly is divided into fixed clamping arm and movable clamping arm, and the movable clamping arm can be moved relative to the fixed clamping arm, the space between the movable clamping arm and the fixed clamping arm is pin shaft press -fitting space;

[0008] Transmission assembly integrated between the movable clamping arm and the fixed clamping arm;And

[0009] Operation handle connected with the transmission assembly, the operation handle is used to drive the transmission assembly movement to drive the movable clamping arm relative to the fixed clamping arm movement.

[0010] Further, the fixed clamping arm and the movable clamping arm both have assembly end and clamping end;

[0011] The transmission assembly is integrated in the assembly end, and the clamping end is detachably installed with interface towards the inside surface side of the pin shaft press -fitting space, and the interface is adapted with pin shaft of corresponding size.

[0012] Further, the front side of the clamping end of the fixed clamping arm is provided with knock head.

[0013] Further, the transmission assembly comprises:

[0014] A rack connected with the fixed clamping arm and the movable clamping arm respectively, and the tooth surfaces of the two racks are oppositely arranged; and

[0015] A gear meshing with the tooth surfaces of the two racks;

[0016] The operation handle is connected with the gear to drive the gear to rotate and drive the two racks to move so as to drive the movable clamping arm to move relative to the fixed clamping arm.

[0017] Further, the assembly end of the fixed clamping arm and the movable clamping arm is provided with a sliding groove;

[0018] The end of the rack away from the corresponding clamping arm is provided with a sliding block, and the sliding block is slidingly connected in the corresponding sliding groove.

[0019] Further, the operation handle has two, which are a fixed operation handle and a movable operation handle respectively;

[0020] The fixed operation handle is connected with the movable clamping arm;

[0021] The movable operation handle is connected with the gear to drive the gear to rotate.

[0022] In the above technical solution, the multifunctional pin shaft press-fitting clamp has the following beneficial effects:

[0023] The pin shaft press-fitting clamp realizes large torque output through gear and rack transmission, amplifies the operation force by using the principle of leverage, is provided with replaceable chucks to adapt to various types of pin shafts, and has a knocking head capable of assisting in installing the pin shaft. The device has novel structure and is convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0025] Figure 1 The structure diagram of the multifunctional pin shaft press-fitting clamp disclosed in the embodiments of the present application.

[0026] Explanation of reference signs:

[0027] 101, fixed operation handle; 102, movable operation handle;

[0028] 201. Fixed clamping arm; 202. Movable clamping arm; 203. Interface; 204. Striking head;

[0029] 301. Rack; 302. Gear; 303. Slide groove; 304. Slider. Detailed Implementation

[0030] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0031] See Figure 1 As shown;

[0032] This embodiment discloses a multifunctional pin press-fitting pliers, which includes:

[0033] The clamping arm assembly is divided into a fixed clamping arm 201 and a movable clamping arm 202. The movable clamping arm 202 can move relative to the fixed clamping arm 201. The space between the movable clamping arm 202 and the fixed clamping arm 201 is a pin press-fit space.

[0034] The transmission assembly integrated between the movable clamping arm 202 and the fixed clamping arm 201; and

[0035] An operating handle connected to the transmission assembly is used to drive the transmission assembly to move, thereby causing the movable clamping arm 202 to move relative to the fixed clamping arm 201.

[0036] Specifically, this embodiment discloses a pin-shaft press clamp, which includes a clamping arm assembly and an operating handle. The fixed clamping arm 201 and the movable clamping arm 202 of the clamping arm assembly are movably connected via a transmission assembly. The operating handle is connected to the transmission assembly of the clamping arm assembly to drive the transmission assembly to move, thereby moving the movable clamping arm 202. Due to the presence of the operating handle, the device possesses the characteristics of a powerful arm, and the operating force can be amplified using the principle of a powerful arm, i.e., the lever principle. Furthermore, the transmission assembly can provide a large torque output.

[0037] Preferably, in this embodiment, both the fixed clamping arm 201 and the movable clamping arm 202 have an assembly end and a clamping end;

[0038] The transmission component is integrated into the assembly end, and the clamping end is detachably mounted with an interface 203 on the inner side of the pin pressing space. The interface 203 is adapted to the pin of the corresponding size.

[0039] This embodiment features a detachable interface 203, which is mainly designed to accommodate pins of different sizes. The integration of the interface 203 with the clamping end can be either screwed or plugged in.

[0040] Preferably, in this embodiment, a striking head 204 is provided on the front side of the clamping end of the fixing arm 201. When the pin encounters resistance during pressing, the striking head 204 can apply an impact force to assist in the smooth installation of the pin.

[0041] Preferably, the transmission component in this embodiment includes:

[0042] Racks 301 are respectively connected to the fixed clamping arm 201 and the movable clamping arm 202, and the tooth surfaces of the two racks 301 are arranged opposite to each other; and

[0043] Gear 302 that meshes with the tooth surfaces of both racks 301;

[0044] The operating handle is connected to the gear 302 to drive the gear 302 to rotate and drive the two racks 301 to move, thereby causing the movable clamping arm 202 to move relative to the fixed clamping arm 201.

[0045] Based on the design of the gear and rack mechanism described above, the mounting ends of the fixed clamping arm 201 and the movable clamping arm 202 in this embodiment are both provided with sliding grooves 303.

[0046] A slider 304 is provided at the end of the rack 301 away from the corresponding clamping arm, and the slider 304 is slidably connected in the corresponding groove 303.

[0047] This embodiment specifically describes the composition of the transmission assembly, which is connected to the fixed clamping arm 201 and the movable clamping arm 202 respectively with racks 301. A gear 302 is designed to mesh with both racks 301. By rotating the gear 302, the racks 301 can be driven to move by meshing with the racks 301. In use, the fixed clamping arm 201 can be fixed to the main frame. At this time, the movement of the racks 301 will drive the movement of the movable clamping arm 202.

[0048] Preferably, the operating handle in this embodiment has two parts, namely a fixed operating handle 101 and a movable operating handle 102;

[0049] The fixed operating handle 101 is connected to the movable clamping arm 202;

[0050] The movable operating handle 102 is connected to the gear 302 to drive the gear 302 to rotate.

[0051] The multifunctional pin press-fitting pliers provided by this utility model, as described above, have the following beneficial effects:

[0052] This utility model of a pin press-fitting pliers achieves high torque output through gear and rack transmission and amplifies operating force by utilizing the principle of leverage. It is equipped with replaceable chucks to accommodate various pin models and features a striking head 204 to assist in pin installation. The device has a novel structure and is easy to operate.

[0053] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A multi-functional pin press-fitting pliers, characterized in that, The pin press-fitting clamp includes: The clamping arm assembly is divided into a fixed clamping arm (201) and a movable clamping arm (202), and the movable clamping arm (202) is movable relative to the fixed clamping arm (201). The space between the movable clamping arm (202) and the fixed clamping arm (201) is a pin press-fit space. A transmission assembly integrated between the movable clamping arm (202) and the fixed clamping arm (201); and An operating handle connected to the transmission assembly is used to drive the transmission assembly to move, thereby causing the movable clamping arm (202) to move relative to the fixed clamping arm (201).

2. The multifunctional pin press-fitting pliers according to claim 1, characterized in that, Both the fixed clamping arm (201) and the movable clamping arm (202) have an assembly end and a clamping end; The transmission component is integrated into the assembly end, and the clamping end has an interface (203) that can be detachably installed on the side facing the inner side of the pin press-fitting space. The interface (203) is adapted to the pin of the corresponding size.

3. The multifunctional pin press-fitting pliers according to claim 2, characterized in that, A striking head (204) is provided on the front side of the clamping end of the fixed clamping arm (201).

4. The multifunctional pin press-fitting pliers according to claim 2, characterized in that, The transmission assembly includes: A rack (301) is connected to the fixed clamping arm (201) and the movable clamping arm (202) respectively, and the tooth surfaces of the two racks (301) are arranged opposite to each other; and Gear (302) that meshes with the tooth surfaces of both racks (301); The operating handle is connected to the gear (302) to drive the gear (302) to rotate and drive the two racks (301) to move, thereby driving the movable clamping arm (202) to move relative to the fixed clamping arm (201).

5. A multifunctional pin press-fitting pliers according to claim 4, characterized in that, The mounting ends of the fixed clamping arm (201) and the movable clamping arm (202) are both provided with sliding grooves (303). The rack (301) is provided with a slider (304) at the end away from the corresponding clamping arm, and the slider (304) is slidably connected in the corresponding groove (303).

6. A multifunctional pin press-fitting pliers according to claim 4, characterized in that, The operating handle has two parts, namely a fixed operating handle (101) and a movable operating handle (102). The fixed operating handle (101) is connected to the movable clamping arm (202); The movable operating handle (102) is connected to the gear (302) to drive the gear (302) to rotate.