Hanging bracket for low-temperature salt bath treatment of connecting pin

By designing a hanger for low-temperature salt bath treatment of connecting pins including fixed mesh plates, floating mesh plates, lifting mechanisms and resetting mechanisms, the problem of connecting pins pouring during salt bath nitriding is solved, and the connecting pins are realized Stability during processing and product quality improvement.

CN222454284UActive Publication Date: 2025-02-11TONGXIANG TIEFENG MASCH CO LTD
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Patent Information

Application Number
CN202421331684.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-02-11
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

The existing connecting pins are easily dumped during the salt bath nitriding process, resulting in an increase in the contact area between the hanger and the workpiece, affecting the product quality and appearance.

Method used

A hanger for low-temperature salt bath treatment of connecting pins including fixed mesh plates, floating mesh plates, lifting mechanisms and reset mechanisms is designed. The floating mesh plate is tightened by a return spring, and the connecting pin is clamped between the fixed mesh and the floating mesh to avoid tilting.

Benefits of technology

It effectively avoids the problem of dumping of the connecting pins during the salt bath treatment, ensures the stability of the connecting pins during the treatment process, thereby improving the product quality and appearance pass rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a hanging bracket for low-temperature salt bath treatment of a connecting pin. The device comprises a hanging bracket and is structurally characterized by further comprising a fixed screen plate, a floating screen plate, a lifting mechanism and a reset mechanism, the fixed screen plate is fixed to the bottom of the hanging bracket, the floating screen plate is arranged on the hanging bracket in a sliding mode, the lifting mechanism is installed on the hanging bracket and connected with the floating screen plate, and the reset mechanism is connected with the floating screen plate. The lifting mechanism is sleeved with the reset mechanism, the two ends of the reset mechanism abut against the floating screen plate and the hanging bracket respectively, a hanging bracket seat is fixed to the top of the hanging bracket, a hanging bracket hole is formed in the hanging bracket seat, the lifting mechanism penetrates through the hanging bracket hole, the fixed screen plate comprises a fixed ring and a fixed net, the fixed net is fixed to the fixed ring, and the fixed net is fixed to the fixed ring. The fixing ring is fixed to the bottom of the hanging bracket.
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Description

Technical Field

[0001] The utility model relates to a hanger for low-temperature salt bath treatment of connecting pins. Background Art

[0002] When the connecting pin is subjected to salt bath nitriding, a special hanger is usually used. In view of this, a QPQ piston rod salt bath nitriding hanger is disclosed in the patent document with application number 202220683692.4. The hanger in the above-mentioned prior art only presses the pin shaft by putting it on the net when in use. When it is subjected to salt bath treatment, it is easy to cause the pin shaft to tip over, which will cause the contact area between the hanger and the workpiece to increase, resulting in unqualified product appearance and affecting product quality. Utility Model Content

[0003] The utility model aims to overcome the above-mentioned shortcomings in the prior art and provide a hanger for low-temperature salt bath treatment with a connecting pin having a reasonable structural design.

[0004] The technical solution adopted by the utility model to solve the above-mentioned problem is: the connecting pin low-temperature salt bath treatment hanger includes a hanger, and its structural characteristics are: it also includes a fixed mesh plate, a floating mesh plate, a lifting mechanism and a reset mechanism, the fixed mesh plate is fixed at the bottom of the hanger, the floating mesh plate is slidably arranged on the hanger, the lifting mechanism is installed on the hanger, and the lifting mechanism is connected to the floating mesh plate, the reset mechanism is sleeved outside the lifting mechanism, and the two ends of the reset mechanism are respectively abutted against the floating mesh plate and the hanger.

[0005] Furthermore, a hanger seat is fixed on the top of the hanger, a hanger hole is provided on the hanger seat, and the lifting mechanism passes through the hanger hole.

[0006] Furthermore, the fixed mesh plate includes a fixed ring and a fixed net, the fixed net is fixed on the fixed ring, and the fixed ring is fixed to the bottom of the hanger.

[0007] Furthermore, the floating mesh plate includes a floating ring, a floating net, a floating sleeve, a floating seat and a lifting hole. The floating net and the floating sleeve are both fixed on the floating ring. The floating sleeve is installed outside the hanger. The floating seat is fixed on the middle of the floating net. The lifting hole is arranged on the floating seat, and the lifting mechanism passes through the lifting hole.

[0008] Furthermore, the lifting mechanism includes a lifting rod, a lifting seat and a lifting ring, the lifting seat and the lifting ring are respectively fixed at both ends of the lifting rod, the lifting rod passes through the hanger hole and the lifting hole, the lifting seat is in contact with the floating seat, and the lifting ring is in contact with the hanger seat.

[0009] Furthermore, the reset mechanism includes a reset spring and a reset ring, both of which are sleeved on the outside of the lifting rod. A reset ring is provided at each end of the reset spring, one of the reset rings is in contact with the lifting seat, and the other reset ring is in contact with the hanger seat.

[0010] Compared with the prior art, the utility model has the following advantages: the hanger for low-temperature salt bath treatment of the connecting pin can press the floating mesh plate tightly through the reset spring when the connecting pin is subjected to salt bath treatment, so that the connecting pin is clamped between the floating mesh and the fixed mesh, thereby preventing the connecting pin from tipping over when the connecting pin is subjected to salt bath treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional structural schematic diagram of a hanger for low-temperature salt bath treatment of a connecting pin according to an embodiment of the utility model.

[0012] Figure 2 It is a schematic cross-sectional structure diagram of a hanger for low-temperature salt bath treatment of a connecting pin according to an embodiment of the utility model.

[0013] In the figure: hanger 1, fixed mesh plate 2, floating mesh plate 3, lifting mechanism 4, reset mechanism 5,

[0014] Hanger seat 11, hanger hole 12,

[0015] Fixed ring 21, fixed net 22,

[0016] Floating ring 31, floating net 32, floating sleeve 33, floating seat 34, lifting hole 35,

[0017] Lifting rod 41, lifting seat 42, lifting ring 43,

[0018] Return spring 51 and return ring 52. DETAILED DESCRIPTION

[0019] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.

[0020] Example

[0021] See also Figure 1 to Figure 2As shown, it should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. At the same time, if there are references to terms such as "upper", "lower", "left", "right", "middle" and "one" in this specification, they are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship, without substantially changing the technical content, should also be regarded as the scope of the implementation of the utility model.

[0022] The connecting pin hanger for low-temperature salt bath treatment in this embodiment includes a hanger 1, a fixed mesh plate 2, a floating mesh plate 3, a lifting mechanism 4 and a resetting mechanism 5. The fixed mesh plate 2 is fixed to the bottom of the hanger 1, the floating mesh plate 3 is slidably set on the hanger 1, the lifting mechanism 4 is installed on the hanger 1, and the lifting mechanism 4 is connected to the floating mesh plate 3, the resetting mechanism 5 is mounted outside the lifting mechanism 4, and the two ends of the resetting mechanism 5 are respectively abutted against the floating mesh plate 3 and the hanger 1.

[0023] A hanger seat 11 is fixed on the top of the hanger 1 in this embodiment, a hanger hole 12 is provided on the hanger seat 11, the lifting mechanism 4 passes through the hanger hole 12, and the fixed mesh plate 2 includes a fixed ring 21 and a fixed net 22, the fixed net 22 is fixed on the fixed ring 21, and the fixed ring 21 is fixed to the bottom of the hanger 1.

[0024] The floating mesh plate 3 in this embodiment includes a floating ring 31, a floating net 32, a floating sleeve 33, a floating seat 34 and a lifting hole 35. The floating net 32 ​​and the floating sleeve 33 are both fixed on the floating ring 31. The floating sleeve 33 is mounted on the outside of the hanger 1. The floating seat 34 is fixed on the middle part of the floating net 32. The lifting hole 35 is arranged on the floating seat 34. The lifting mechanism 4 passes through the lifting hole 35.

[0025] The lifting mechanism 4 in this embodiment includes a lifting rod 41, a lifting seat 42 and a lifting ring 43. The lifting seat 42 and the lifting ring 43 are respectively fixed at both ends of the lifting rod 41. The lifting rod 41 passes through the hanger hole 12 and the lifting hole 35. The lifting seat 42 is in contact with the floating seat 34, and the lifting ring 43 is in contact with the hanger seat 11.

[0026] The reset mechanism 5 in this embodiment includes a reset spring 51 and a reset ring 52, both of which are mounted on the outside of the lifting rod 41. A reset ring 52 is provided at each end of the reset spring 51, one of the reset rings 52 is in contact with the lifting seat 42, and the other reset ring 52 is in contact with the hanger seat 11.

[0027] Specifically, when using the connecting pin low-temperature salt bath treatment hanger, it is necessary to first pull the lifting ring 43, lift the floating mesh plate 3 upward through the lifting rod 41, and place the connecting pin vertically on the fixed mesh plate 2. After the connecting pin is placed, release the lifting ring 43, and the floating mesh plate 3 can be rebounded by the reset spring 51, so that the two ends of the connecting pin are respectively in contact with the fixed mesh 22 and the floating mesh 32, and the connecting pin is clamped between the fixed mesh 22 and the floating mesh 32.

[0028] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is only an example of the structure of the utility model. All equivalent changes or simple changes made based on the structure, features and principles described in the patent concept of the utility model are included in the protection scope of the utility model patent. Technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the protection scope of the utility model.

Claims

1. A hanger for low-temperature salt bath treatment of connecting pins, comprising a hanger (1), characterized in that: It also comprises a fixed mesh plate (2), a floating mesh plate (3), a lifting mechanism (4) and a reset mechanism (5), wherein the fixed mesh plate (2) is fixed to the bottom of the hanger (1), the floating mesh plate (3) is slidably arranged on the hanger (1), the lifting mechanism (4) is installed on the hanger (1), and the lifting mechanism (4) is connected to the floating mesh plate (3), the reset mechanism (5) is sleeved outside the lifting mechanism (4), and two ends of the reset mechanism (5) are respectively in contact with the floating mesh plate (3) and the hanger (1).

2. The hanger for low-temperature salt bath treatment of connecting pins according to claim 1, characterized in that: A hanger seat (11) is fixed to the top of the hanger (1), a hanger hole (12) is provided on the hanger seat (11), and the lifting mechanism (4) penetrates the hanger hole (12).

3. The hanger for low-temperature salt bath treatment of connecting pins according to claim 1, characterized in that: The fixed mesh plate (2) comprises a fixed ring (21) and a fixed net (22), the fixed net (22) is fixed on the fixed ring (21), and the fixed ring (21) is fixed on the bottom of the hanger (1).

4. The hanger for low-temperature salt bath treatment of connecting pins according to claim 1, characterized in that: The floating mesh plate (3) comprises a floating ring (31), a floating net (32), a floating sleeve (33), a floating seat (34) and a lifting hole (35); the floating net (32) and the floating sleeve (33) are both fixed on the floating ring (31); the floating sleeve (33) is sleeved outside the hanger (1); the floating seat (34) is fixed to the middle of the floating net (32); the lifting hole (35) is arranged on the floating seat (34); and the lifting mechanism (4) penetrates the lifting hole (35).

5. The hanger for low-temperature salt bath treatment of connecting pins according to claim 1, characterized in that: The lifting mechanism (4) comprises a lifting rod (41), a lifting seat (42) and a lifting ring (43); the lifting seat (42) and the lifting ring (43) are respectively fixed at two ends of the lifting rod (41); the lifting rod (41) penetrates the hanger hole (12) and the lifting hole (35); the lifting seat (42) contacts the floating seat (34); and the lifting ring (43) contacts the hanger seat (11).

6. The hanger for low-temperature salt bath treatment of connecting pins according to claim 1, characterized in that: The reset mechanism (5) comprises a reset spring (51) and a reset ring (52), wherein the reset spring (51) and the reset ring (52) are both sleeved outside the lifting rod (41), and a reset ring (52) is provided at each end of the reset spring (51), wherein one reset ring (52) contacts the lifting seat (42), and the other reset ring (52) contacts the hanger seat (11).

Citation Information

Patent Citations

  • QPQ piston rod salt bath nitriding hanger

    CN217733245U