MCH pulling assisting device

By optimizing the handle structure of the MCH extraction aid, the problems of unstable grip and easy loosening of traditional extraction aids have been solved, providing a stable force application point and grip feel, improving operating efficiency and reducing the risk of equipment damage.

CN223876936UActive Publication Date: 2026-02-06SUZHOU YUANZHONG SYST TECH CO LTD
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Patent Information

Application Number
CN202520519271.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-06
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

The handle of the traditional MCH extraction aid is difficult to grip effectively and is prone to loosening, affecting operational efficiency and increasing equipment maintenance costs.

Method used

A T-shaped handle structure was designed, which combines a locking pad and a limiting foot. The bolts are prevented from loosening by a stop washer and a limiting sleeve, providing a stable force application point and grip feel.

Benefits of technology

This design allows operators to easily grip and apply force, preventing the handle from loosening, ensuring a secure connection, improving operational efficiency, and reducing the risk of equipment damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an MCH pulling assisting device, and belongs to the technical field of electronic equipment auxiliary tools. Comprising a handle, a clamping base plate and a mounting bolt capable of penetrating through the clamping base plate. The handle is in a T shape, and the mounting bolt can be in threaded connection to the bottom end of the handle. The cross section of the bottom end of the handle is rectangular, a stop washer capable of being pressed down on the mounting bolt is clamped on the clamping base plate, a plurality of limiting supporting legs are arranged, each limiting supporting leg can penetrate through a mounting hole correspondingly formed in the board clamping panel, and the limiting supporting legs penetrating through the mounting holes can surround and abut against the outer surface of the bottom end of the handle; according to the MCH pulling assisting device, the structure of the handle is optimized, so that the problems that the handle of a traditional pulling assisting device cannot be effectively held and is easy to loosen are solved.
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Description

Technical Field

[0001] This utility model belongs to the field of electronic device auxiliary tool technology, and in particular relates to an MCH pull-out aid. Background Technology

[0002] In the maintenance and assembly of electronic equipment, the insertion and removal of circuit boards between the MCH main control card and the MATC chassis is a common operation. However, the current problem is that this operation requires considerable force. Traditional insertion and removal tools are difficult for operators to grip effectively, hindering the application of force and reducing efficiency. Furthermore, if the bolts securing the tool loosen, the handle can wobble or rotate around them, affecting normal use and potentially damaging the circuit boards or chassis interfaces, increasing maintenance costs and the risk of failure.

[0003] Therefore, there is an urgent need for an MCH extraction aid that is easy for operators to hold and apply force to and is not easily loosened. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the existing technology and provide an MCH extraction aid that solves the problems of traditional extraction aid handles being unable to be effectively gripped and easily loosened by optimizing the handle structure.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: an MCH pull-out aid, comprising a handle, a locking pad, and mounting bolts that can be inserted into the locking pad;

[0006] The handle is T-shaped, and the mounting bolt can be threaded to the bottom end of the handle; the cross-section of the bottom end of the handle is rectangular, and the locking pad is fitted with a stop washer that can press down on the mounting bolt, and is provided with multiple limiting feet. Each of the limiting feet can pass through the corresponding mounting hole provided on the plate panel, and the multiple limiting feet passing through the mounting hole can surround and abut against the outer surface of the bottom end of the handle.

[0007] Optionally, the positioning pad is provided with a limiting sleeve that can be fitted onto the outer periphery of the mounting bolt. The outer wall of the limiting sleeve has a limiting groove, and the bottom of the limiting groove has a through hole groove that penetrates the wall of the limiting sleeve. The stop washer can be embedded in the limiting groove, and the stop portion on the stop washer can pass through the through hole groove and press down on the end of the mounting bolt.

[0008] Optionally, there are four limiting feet, and the four limiting feet can respectively abut against the middle of the four sides of the outer periphery of the bottom of the handle.

[0009] Optionally, the handle is an injection molding part, and a bottom end of the handle is provided with a pre-buried nut capable of being threadedly connected with the mounting bolt.

[0010] Optionally, the handle comprises a straight arm portion, a short arm portion and a long arm portion, a bottom end of the straight arm portion is capable of being threadedly connected with the mounting bolt, the short arm portion and the long arm portion are arranged at a top end of the straight arm portion, and the long arm portion is collinear with the short arm portion and perpendicular to the straight arm portion.

[0011] The length of the long arm portion is greater than the length of the short arm portion, and a contoured arc portion for finger buckling is arranged on a side of the long arm portion facing the panel card panel.

[0012] Optionally, a rubber gasket is sleeved on the mounting bolt.

[0013] Optionally, a chamfer is arranged on an end edge of the limiting leg.

[0014] Optionally, an anti-skid pattern is arranged on a surface of the handle.

[0015] Compared with the prior art, the handle in the whole T shape can provide an effective force application point for an operator, and can also increase the hand feeling of the operator. By increasing the stop washer and the clamping pad plate with the limiting leg, the loosening of the mounting bolt can be effectively avoided, the connection between the handle and the panel card panel is always stable, and a stable force application structure is provided for the operator. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further explained below in combination with the drawings and embodiments.

[0017] Figure 1 is a structure schematic view of the MCH puller in the preferred embodiment of the utility model;

[0018] Figure 2 is a structure schematic view of the handle in the preferred embodiment of the utility model;

[0019] Figure 3 is a structure schematic view of the clamping pad plate in the preferred embodiment of the utility model;

[0020] Figure 4 is a structure schematic view of the stop washer in the preferred embodiment of the utility model;

[0021] Figure 5 is a structure schematic view of the MCH puller when being installed on the panel card panel in the preferred embodiment of the utility model;

[0022] Wherein, 1, handle; 101, straight arm part; 102, short branch arm part; 103, long branch arm part; 1031, profiling arc part; 2, clamping pad; 201, limiting support; 202, limiting sleeve; 2021, limiting groove; 2022, through hole groove; 3, mounting bolt; 4, stop washer; 401, stop part; 5, embedded nut; 6, rubber gasket; 7, board card panel. DETAILED DESCRIPTION

[0023] The utility model will be explained in further detail in combination with the drawings and embodiments, these drawings are all simplified schematic diagram, only with the schematic way the basic structure of the utility model is explained, therefore it only shows the structure related to the utility model.

[0024] It should be noted that if the embodiments involve directional indications (such as up, down, bottom, top, etc.), the directional indications are only used to explain the relative position relationship, movement, etc. between the components in a certain posture, and if the specific posture changes, the directional indications will also change accordingly. The terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features. Unless otherwise specified and limited, the terms "set", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. Example one

[0025] As Figures 1-5 shown, an MCH puller, including handle 1, clamping pad 2 and mounting bolt 3 capable of being provided on clamping pad 2. Handle 1 is T-shaped, which is convenient for the operator to hold the force with fingers. And mounting bolt 3 can be threadedly connected to the bottom end of handle 1 after penetrating the board card panel 7; the cross section of the bottom end of handle 1 is rectangular, the clamping pad 2 is clamped with the stop washer 4 capable of being pressed on the mounting bolt 3, and a plurality of limiting supports 201 are provided, each limiting support 201 can penetrate the mounting hole (not shown in the figure) provided on the board card panel 7 respectively, and the plurality of limiting supports 201 penetrating the mounting hole can be provided around and abut on the outer surface of the bottom end of handle 1.

[0026] Specifically, the mounting bolt 3 can be screwed with the bottom end of the handle 1 after passing through the clamping base plate 2 and the panel card panel 7, which can provide basic fastening protection for the installation of the extractor. It should be noted that the handle 1 is an injection molded part, and the bottom end of the handle 1 is provided with a pre-buried nut 5 that can be screwed with the mounting bolt 3 to ensure the strength and stability of the threaded connection between the handle 1 and the mounting bolt 3. The panel card panel 7 is provided with a number of mounting holes corresponding to the limiting feet 201, and each limiting foot 201 can be arranged around the bottom end of the handle 1 after passing through the corresponding mounting hole, thereby effectively positioning the installation position of the handle 1 and preventing the handle 1 from shaking or shifting during installation and loosening of the mounting bolt 3. After the mounting bolt 3 is tightly screwed with the handle 1, the stop washer 4 can be clamped on the clamping base plate 2, thereby effectively preventing the mounting bolt 3 from loosening and ensuring that the connection between the handle 1 and the panel card panel 7 is always stable, providing a stable force structure for the operator.

[0027] As mentioned above, the number of limiting feet 201 is four, and the four limiting feet 201 can be respectively attached to the middle of the four sides of the outer periphery of the bottom end of the handle 1.

[0028] As mentioned above, the end of the limiting foot 201 is provided with a chamfer to facilitate the limiting foot 201 passing through the mounting hole on the panel card panel 7.

[0029] Further, as shown in Figure 2 The handle 1 includes a straight arm portion 101, a short arm portion 102 and a long arm portion 103, the bottom end of the straight arm portion 101 can be screwed with the mounting bolt 3, the short arm portion 102 and the long arm portion 103 are arranged at the top end of the straight arm portion 101, and the long arm portion 103 is collinear with the short arm portion 102 and perpendicular to the straight arm portion 101. Among them, the length of the long arm portion 103 is greater than the length of the short arm portion 102, and the side of the long arm portion 103 facing the panel card panel 7 is provided with a profiled arc portion 1031 for finger buckling. In actual use, the operator can place the straight arm portion 101 on the handle 1 in the gap between the middle finger and the ring finger, then hold the five fingers, so that the index finger and the middle finger are attached to the profiled arc portion 1031, the ring finger and the little finger cover the short arm portion 102, the palm is attached to the long arm portion 103 and the short arm portion 102, and the thumb can be pressed on the end of the long arm portion 103, at this time the entire palm of the operator can be in effective contact with the handle 1. At the same time, in this technical solution, the surface of the handle 1 is provided with an anti-skid pattern to increase the friction between the fingers of the operator and the handle 1 and improve the hand feeling of holding.

[0030] Further, as shown in Figure 3As shown, the clamping pad plate 2 is provided with a limiting sleeve 202 capable of being sleeved on the outer periphery of the mounting bolt 3, the outer wall of the limiting sleeve 202 is provided with a limiting groove 2021, the bottom of the limiting groove 2021 is provided with a through hole groove 2022 penetrating the wall of the limiting sleeve 202, the stop washer 4 can be embedded in the limiting groove 2021, and the stop portion 401 on the stop washer 4 can pass through the through hole groove 2022 and press on the end of the mounting bolt 3, thereby effectively preventing the mounting bolt 3 from loosening.

[0031] As shown above, Figure 1 As shown, the mounting bolt 3 is sleeved with a rubber washer 6 for compensating the gap error between the stop washer 4 and the mounting bolt 3, so that the stop portion 401 on the stop washer 4 can be tightly fitted on the fastening bolt.

[0032] Working principle: the handle 1 in the whole T shape can not only provide an effective force point for the operator, but also increase the hand feeling of the operator holding it. At the same time, by increasing the stop washer and the clamping pad plate 2 with the limiting leg 201, the positioning and installation of the handle 1 are facilitated, and the loosening of the mounting bolt 3 is effectively avoided.

[0033] According to the ideal embodiment of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A MCH extractor, characterized by: Handle (1), clamping pad (2) and mounting bolt (3) capable of being provided on the clamping pad (2); The handle (1) is T-shaped, and the mounting bolt (3) can be threadedly connected to the bottom end of the handle (1); the cross section of the bottom end of the handle (1) is rectangular, the clamping pad (2) is provided with a stop washer (4) capable of being pressed on the mounting bolt (3), and a plurality of limiting legs (201) are arranged, each of the limiting legs (201) can pass through a mounting hole arranged on the board card panel (7) correspondingly, and the limiting legs (201) passing through the mounting holes can be arranged around and abut against the outer surface of the bottom end of the handle (1).

2. The MCH extractor of claim 1, wherein: The clamping pad (2) is provided with a limiting sleeve (202) capable of being sleeved on the outer periphery of the mounting bolt (3), the outer wall of the limiting sleeve (202) is provided with a limiting groove (2021), and the bottom of the limiting groove (2021) is provided with a through hole slot (2022) penetrating through the wall of the limiting sleeve (202), the stop washer (4) can be embedded in the limiting groove (2021), and the stop portion (401) on the stop washer (4) can pass through the through hole slot (2022) and press on the end portion of the mounting bolt (3).

3. The MCH extractor of claim 1, wherein: The number of the limiting legs (201) is four, and the four limiting legs (201) can abut against the middle portions of the four sides of the outer periphery of the bottom end of the handle (1).

4. The MCH extractor of claim 1, wherein: The handle (1) is an injection molding part, and the bottom end of the handle (1) is provided with a pre-embedded nut (5) capable of being threadedly connected with the mounting bolt (3).

5. The MCH extractor of claim 1, wherein: The handle (1) comprises a straight arm portion (101), a short arm portion (102) and a long arm portion (103), the bottom end of the straight arm portion (101) can be threadedly connected with the mounting bolt (3), the short arm portion (102) and the long arm portion (103) are arranged at the top end of the straight arm portion (101), and the long arm portion (103) is collinear with the short arm portion (102) and perpendicular to the straight arm portion (101); The length of the long arm portion (103) is greater than the length of the short arm portion (102), and one side of the long arm portion (103) facing the board card panel (7) is provided with a profiled arc portion (1031) for finger buckling.

6. The MCH extractor of claim 1, wherein: The mounting bolt (3) is sleeved with a rubber gasket (6).

7. The MCH extractor of claim 1, wherein: The end edge of the limiting leg (201) is provided with a chamfer.

8. The MCH extractor of claim 1, wherein: The surface of the handle (1) is provided with an anti-skid pattern.