Bidirectional pressing device

Abstract

The utility model relates to the field of pressing devices, and provides a bidirectional pressing device. The bidirectional pressing device comprises a connecting shaft assembly. The pressing sleeve is movably installed at the first end of the connecting shaft assembly, and the pressing sleeve is suitable for axial movement relative to the connecting shaft assembly; the supporting piece is connected to the connecting shaft assembly, and the supporting piece is used for supporting the inner wall of the mounting hole so as to guarantee the coaxiality of the connecting shaft assembly and the mounting hole; and the positioning sleeve is connected to the second end of the connecting shaft assembly, the side, facing the positioning sleeve, of the pressing sleeve is used for pressing the first lining, and the side, facing the pressing sleeve, of the positioning sleeve is used for pressing the second lining. According to the bidirectional pressing device, the two bushings can be pressed at the same time, the coaxiality of the connecting shaft assembly and the mounting hole is ensured, and the poor pressing effect or damage caused by deviation or inclination is avoided.

Description

Technical Field

[0001] The utility model relates to the field of pressing devices and provides a bidirectional pressing device. Background Art

[0002] In existing technology, the bogie foundation braking systems of various EMU types, including standardized, intercity, and intelligent EMUs, generally use brake calipers to apply braking force to the brake discs to ensure safe train operation. The assembly quality of the brake caliper directly impacts the reliability of the braking system. Hanging bolts connect the brake caliper to the frame brake hanger, playing a key role in suspending and hoisting the brake caliper.

[0003] However, during the on-site assembly of the brake caliper bushing, common problems include the following: First, the bushing's centerline is not coaxial with the brake hanger's centerline. This prevents the interference fit between the brake caliper's hanging hole and the brake hanger's mounting hole from achieving good coaxiality, making it difficult to assemble the hanging bolt properly and causing difficulty in rotating the hanging bolt after assembly. Second, manual hammering can easily cause longitudinal surface wear on the bushing, resulting in increased burrs and roughness on the bushing's surface. This not only hinders the normal rotation of the brake caliper but also further exacerbates wear on the brake caliper's hanger. Third, since it's impossible to accurately detect whether the bushing's centerline is coaxial with the brake hanger's mounting hole's centerline, manual hammering can lead to superimposed axial surface wear when installing the bolts. This can damage the bushing's axial mounting surface, deform its outer diameter, and reduce its inner diameter. This creates a gap between the bushing and the brake hanger's mounting surface, preventing the hanging bolt from being inserted smoothly. This increases the rework rate and cost of assembly and further reduces operational efficiency. Utility Model Content

[0004] The embodiment of the utility model provides a bidirectional pressing device to solve the defect in the related art that the coaxiality of the bushing press-fit is difficult to control.

[0005] The present invention provides a bidirectional pressing device, comprising:

[0006] Connecting shaft assembly;

[0007] a compression sleeve movably mounted on the first end of the connecting shaft assembly, the compression sleeve being adapted for axial movement relative to the connecting shaft assembly;

[0008] a support member connected to the connecting shaft assembly, the support member being used to support the inner wall of the mounting hole to ensure the coaxiality of the connecting shaft assembly and the mounting hole;

[0009] The positioning sleeve is connected to the second end of the connecting shaft assembly, the side of the compression sleeve facing the positioning sleeve is used to compress the first bushing, and the side of the positioning sleeve facing the compression sleeve is used to compress the second bushing.

[0010] According to one embodiment of the present invention, the connecting shaft assembly includes:

[0011] a first connecting shaft, the compression sleeve being connected to a first end of the first connecting shaft;

[0012] a second connecting shaft, the positioning sleeve being connected to a first end of the second connecting shaft;

[0013] The connecting sleeve is connected to the second end of the first connecting shaft and the second end of the second connecting shaft to connect or disconnect the first connecting shaft and the second connecting shaft.

[0014] According to one embodiment of the present invention, the support member is connected to at least one of the first connecting shaft and the second connecting shaft.

[0015] According to one embodiment of the present invention, at least one of the first connecting shaft and the second connecting shaft is sleeved with a torsion spring, and the support member includes at least three lugs, and the at least three lugs are connected to the torsion spring.

[0016] According to an embodiment of the present invention, a rotating sleeve is connected to the first connecting shaft, the rotating sleeve is connected to the side of the compression sleeve away from the positioning sleeve, and the rotating sleeve is used to drive the axial movement of the compression sleeve relative to the first connecting shaft.

[0017] According to an embodiment of the present invention, a bearing is provided in the rotating sleeve, and the side of the bearing facing the positioning sleeve is suitable for pressing the pressing sleeve.

[0018] According to an embodiment of the present invention, a threaded section is formed on part of the first connecting shaft, and the rotating sleeve is threadedly connected to the threaded section.

[0019] According to one embodiment of the present invention, a first positioning portion is provided at the first end of the second connecting shaft, and a second positioning portion is provided on the positioning sleeve to be positioned and adapted to the first positioning portion. The positioning sleeve is suitable for achieving positioning cooperation with the second connecting shaft through cooperation between the first positioning portion and the second positioning portion.

[0020] According to one embodiment of the present invention, a through hole is provided on the positioning sleeve, and the second connecting shaft is suitable for switching between a positioning position and a disengagement position relative to the through hole. In the positioning position, the first positioning portion and the second positioning portion are positioned and adapted. In the disengagement position, the positioning sleeve is suitable for axial movement along the second connecting shaft relative to the second connecting shaft.

[0021] According to an embodiment of the present invention, a fixed handle is further included. The fixed handle is connected to the first end of the first connecting shaft, and the fixed handle is located at an end of the compression sleeve away from the positioning sleeve.

[0022] According to the bidirectional clamping device provided in the embodiment of the first aspect of the present invention, the bidirectional clamping device of the embodiment of the present invention can achieve simultaneous clamping of two bushings through the combined action of the clamping sleeve and the positioning sleeve. This design not only improves the clamping effect, but also makes the clamping process more stable and reliable. The design of the support member ensures the coaxiality of the connecting shaft assembly and the mounting hole, avoiding poor clamping effect or damage due to deviation or tilt. This helps to improve the accuracy and reliability of the entire device. Since the clamping sleeve can perform axial movement relative to the connecting shaft assembly, the bidirectional clamping device of the embodiment of the present invention can adapt to the clamping requirements of bushings of different sizes and shapes. This design makes the device more adaptable and flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 It is a schematic structural diagram of the bidirectional pressing device provided by the utility model.

[0025] Figure 2 It is a schematic structural diagram of the first connecting shaft provided by the utility model.

[0026] Figure 3 It is a schematic structural diagram of the second connecting shaft provided by the utility model.

[0027] Figure 4 It is a schematic exploded diagram of the rotating sleeve, bearing and pressing sleeve provided by the utility model.

[0028] Figure 5 It is a schematic side view of the positioning sleeve provided by the utility model.

[0029] Reference numerals:

[0030] 100. Compression sleeve; 102. Support member; 104. Positioning sleeve; 106. First connecting shaft; 108. Second connecting shaft; 110. Connecting sleeve; 112. Rotating sleeve; 114. Bearing; 116. Through hole; 118. Fixed handle. DETAILED DESCRIPTION

[0031] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0032] like Figures 1 to 5 As shown, the embodiment of the present invention provides a bidirectional pressing device, comprising:

[0033] Connecting shaft assembly;

[0034] The compression sleeve 100 is movably mounted on the first end of the connecting shaft assembly, and the compression sleeve 100 is suitable for axial movement relative to the connecting shaft assembly;

[0035] A support member 102 is connected to the connecting shaft assembly. The support member 102 is used to support the inner wall of the mounting hole to ensure the coaxiality of the connecting shaft assembly and the mounting hole.

[0036] The positioning sleeve 104 is connected to the second end of the connecting shaft assembly. The side of the compression sleeve 100 facing the positioning sleeve 104 is used to compress the first bushing, and the side of the positioning sleeve 104 facing the compression sleeve 100 is used to compress the second bushing.

[0037] According to the bidirectional clamping device provided in the embodiment of the first aspect of the present invention, the bidirectional clamping device of the embodiment of the present invention can achieve simultaneous clamping of two bushings through the combined action of the clamping sleeve 100 and the positioning sleeve 104. This design not only improves the clamping effect, but also makes the clamping process more stable and reliable. The design of the support member 102 ensures the coaxiality of the connecting shaft assembly and the mounting hole, avoiding poor clamping effect or damage due to deviation or tilt. This helps to improve the accuracy and reliability of the entire device. Since the clamping sleeve 100 can perform axial movement relative to the connecting shaft assembly, the bidirectional clamping device of the embodiment of the present invention can adapt to the clamping requirements of bushings of different sizes and shapes. This design makes the device more adaptable and flexible.

[0038] Please continue to see Figures 1 to 5 The bidirectional pressing device provided by the embodiment of the present invention has the following main structure and function designs:

[0039] As the core component of the entire device, the connecting shaft assembly plays the role of connecting and supporting other components. The connecting shaft assembly has a certain rigidity and strength to ensure that it will not be deformed or damaged during the compaction process.

[0040] The compression sleeve 100 is movably mounted on the first end of the connecting shaft assembly. It can move axially relative to the connecting shaft assembly, meaning it can move along the axis of the connecting shaft assembly. This design allows the compression sleeve 100 to adjust its position as needed, effectively compressing the first bushing.

[0041] Support member 102 is connected to the connecting shaft assembly and is used to support the inner wall of the mounting hole. The main function of support member 102 is to ensure the coaxiality of the connecting shaft assembly and the mounting hole, that is, to ensure that the connecting shaft assembly can maintain the correct position and orientation in the mounting hole, and avoid poor compression or damage due to deviation or tilt.

[0042] Positioning sleeve 104 is connected to the second end of the connecting shaft assembly and is positioned opposite compression sleeve 100. Positioning sleeve 104, facing compression sleeve 100, is used to compress the second bushing. The combined action of positioning sleeve 104 and compression sleeve 100 allows for simultaneous compression of both bushings (i.e., the first and second bushings), ensuring the stability and reliability of the entire device.

[0043] According to one embodiment of the present invention, the connecting shaft assembly includes:

[0044] A first connecting shaft 106, the compression sleeve 100 is connected to a first end of the first connecting shaft 106;

[0045] A second connecting shaft 108, with the positioning sleeve 104 connected to a first end of the second connecting shaft 108;

[0046] The connecting sleeve 110 is connected to the second end of the first connecting shaft 106 and the second end of the second connecting shaft 108 to connect or disconnect the first connecting shaft 106 and the second connecting shaft 108 .

[0047] In one embodiment of the present invention, the first connecting shaft 106 is one of the main parts of the assembly and has two ends, namely a first end and a second end. A compression sleeve 100 is connected to the first end of the first connecting shaft 106 .

[0048] The second connecting shaft 108 is another main part of the assembly and also has two ends, namely a first end and a second end. A positioning sleeve 104 is connected to the first end of the second connecting shaft 108.

[0049] The connecting sleeve 110 is a key component that connects the first connecting shaft 106 and the second connecting shaft 108. The connecting sleeve 110 is connected between the second end of the first connecting shaft 106 and the second end of the second connecting shaft 108. The connecting sleeve 110 can connect or disconnect the first connecting shaft 106 and the second connecting shaft 108 through connection methods such as threaded connection, snap connection, and plug-in connection. The design of the connecting sleeve 110 allows the two connecting shafts to be easily connected or disconnected when needed, thereby increasing the flexibility and convenience of the assembly.

[0050] The use of coupling sleeve 110 ensures stability and accuracy during the connection process between the first connecting shaft 106 and the second connecting shaft 108, reducing the risk of failure due to loose or misaligned connections. The design of coupling sleeve 110 allows for easy connection and disconnection of the two connecting shafts when needed, meeting the needs of various application scenarios. Compared to traditional connection methods, the embodiments of the present utility model simplify the operation of the connecting shaft assembly. Users can complete the connection and disconnection operation without the use of complex tools or equipment, thereby improving work efficiency and convenience.

[0051] According to one embodiment of the present invention, the support member 102 is connected to at least one of the first connecting shaft 106 and the second connecting shaft 108 .

[0052] The support member 102 is an important component of the bidirectional clamping device, and its main function is to support the inner wall of the mounting hole to ensure the coaxiality of the connecting shaft assembly (including the first connecting shaft 106 and the second connecting shaft 108) and the mounting hole.

[0053] In this embodiment, support member 102 is designed to be connected to at least one of first connecting shaft 106 and second connecting shaft 108. This means that support member 102 can be connected to first connecting shaft 106 alone, second connecting shaft 108 alone, or both simultaneously. This design flexibility allows support member 102 to be configured according to specific installation requirements and application scenarios.

[0054] The connection method may be, but is not limited to, threaded connection, welding, snap connection or pin connection, etc. The selection of these connection methods depends on factors such as the material of the support member 102, the size and shape of the connecting shaft, and the required connection strength.

[0055] By connecting the support member 102 to at least one of the first connecting shaft 106 and the second connecting shaft 108, the connecting shaft assembly can be ensured to maintain the correct position and orientation within the mounting hole, significantly improving coaxiality. This helps reduce the risk of poor clamping or damage caused by deviation or tilt. The connection of the support member 102 increases the rigidity of the connecting shaft assembly, enabling it to maintain more stable performance when subjected to external forces. This helps to improve the stability and reliability of the entire bidirectional clamping device.

[0056] According to an embodiment of the present invention, at least one of the first connecting shaft 106 and the second connecting shaft 108 is sleeved with a torsion spring, and the support member 102 includes at least three lugs, and the at least three lugs are connected to the torsion spring.

[0057] A torsion spring is mounted on at least one of the first connecting shaft 106 and the second connecting shaft 108. A torsion spring is a commonly used elastic element that generates elastic force when subjected to a torsional torque and returns to its original state after the torque is removed. In this embodiment, the torsion spring is used to provide additional tightening or restoring force to enhance the stability and reliability of the connecting shaft assembly.

[0058] Furthermore, support member 102 is designed to include at least three lugs, which are protruding portions of support member 102 for connection to the torsion spring. The provision of at least three lugs ensures that the torsion spring is evenly supported and distributed on the connecting shaft assembly, thereby preventing performance degradation caused by deflection or instability of the torsion spring.

[0059] The connection method between the lug and the torsion spring can be, but is not limited to, welding, riveting, bolting, etc. The selection of these connection methods depends on factors such as the material of the lug, the size and shape of the torsion spring, and the required connection strength.

[0060] By installing a torsion spring on at least one of the first connecting shaft 106 and the second connecting shaft 108, additional tightening force is provided, ensuring that the connecting shaft assembly maintains a tight connection when subjected to external forces. The elastic properties of the torsion spring enable the connecting shaft assembly to automatically return to its original state after being subjected to external forces. This reset function helps reduce the risk of deformation or damage caused by long-term stress. The provision of at least three lugs ensures that the torsion spring is evenly supported and distributed on the connecting shaft assembly, helping to avoid stress concentration and performance degradation caused by deflection or instability of the torsion spring.

[0061] According to an embodiment of the present invention, a rotating sleeve 112 is connected to the first connecting shaft 106 . The rotating sleeve 112 is connected to the side of the compression sleeve 100 away from the positioning sleeve 104 . The rotating sleeve 112 is used to drive the compression sleeve 100 to move axially relative to the first connecting shaft 106 .

[0062] The rotating sleeve 112 is tightly connected to the first connecting shaft 106 and has sufficient flexibility and strength to drive the compression sleeve 100 to move axially. The design of the rotating sleeve 112 needs to take into account factors such as the matching method with the first connecting shaft 106, material selection, and friction and wear during rotation. By introducing the rotating sleeve 112, the compression sleeve 100 can move axially relative to the first connecting shaft 106, thereby improving the flexibility of the entire device. This flexibility helps the device adapt to different working environments and conditions, improving its practicality and scope of application. The rotating sleeve 112 can drive the compression sleeve 100 to move axially, thereby achieving tighter and more stable compression of the object to be compressed. This improvement in the compression effect helps to enhance the functionality and reliability of the device, ensuring that it can stably provide the necessary compression force during operation.

[0063] According to an embodiment of the present invention, a bearing 114 is sleeved in the rotating sleeve 112 , and the side of the bearing 114 facing the positioning sleeve 104 is suitable for pressing the pressing sleeve 100 .

[0064] The bearing 114 ensures that the rotating sleeve 112 can rotate smoothly and stably relative to the first connecting shaft 106. At the same time, the side of the bearing 114 facing the positioning sleeve 104 is designed to be in close contact with the compression sleeve 100, thereby achieving a compression effect on the compression sleeve 100. This design not only improves the stability and reliability of the device, but also makes the movement of the compression sleeve 100 more precise and controllable.

[0065] By introducing the bearing 114, the rotating sleeve 112 can rotate smoothly on the first connecting shaft 106, reducing the friction resistance and energy consumption during rotation. This smooth rotation helps to improve the response speed and ease of operation of the device. The side of the bearing 114 facing the positioning sleeve 104 is designed to be able to compress the clamping sleeve 100. This design not only improves the stability of the clamping sleeve 100, but also makes the clamping force more uniform and controllable. This improvement in stability helps to ensure that the device can maintain a stable clamping effect during operation. The introduction and reasonable design of the bearing 114 help to reduce the wear and friction between the rotating sleeve 112 and the clamping sleeve 100, thereby extending the service life of these key components. By optimizing the contact mode between the bearing 114 and the clamping sleeve 100, the movement of the clamping sleeve 100 is made more precise and controllable. This improvement in precision helps to ensure that the device can achieve more precise control and adjustment during operation.

[0066] According to an embodiment of the present invention, a threaded section is formed on a portion of the first connecting shaft 106 , and the rotating sleeve 112 is threadedly connected to the threaded section.

[0067] The threaded section is a portion formed by machining on the first connecting shaft 106, and has continuous spiral protrusions (i.e., threads) on its surface. These protrusions can cooperate with the thread grooves inside the rotating sleeve 112 to form a tight threaded connection.

[0068] Threaded connection is a widely used detachable connection method with advantages such as simple structure, reliable connection, and easy assembly and disassembly. In this embodiment, the rotating sleeve 112 is tightly connected to the threaded section on the first connecting shaft 106 by threaded connection, forming a stable and reliable connection structure.

[0069] Through the threaded connection, a tight and stable connection structure is formed between the rotating sleeve 112 and the first connecting shaft 106. This connection has high tensile strength and shear strength, can withstand large external forces and torques, and thus improves the reliability of the connection.

[0070] Threaded connections are suitable for a wide range of materials and environments, including metals, plastics, and rubber. By selecting appropriate thread parameters and lubrication methods, they can be adapted to different connection requirements and operating environments. Because threaded connections have minimal friction and clearance, they can reduce energy loss and vibration noise, thereby improving transmission efficiency. This is particularly important for mechanical systems requiring high precision and stability.

[0071] According to one embodiment of the present invention, a first positioning portion is provided at the first end of the second connecting shaft 108, and a second positioning portion is provided on the positioning sleeve 104 to be positioned and matched with the first positioning portion. The positioning sleeve 104 is suitable for achieving positioning matching with the second connecting shaft 108 through the matching of the first positioning portion and the second positioning portion.

[0072] A first positioning portion is provided at the first end of the second connecting shaft 108. The first positioning portion has a specific shape, size and position, and is used to cooperate with the second positioning portion on the positioning sleeve 104 to achieve accurate positioning between the two.

[0073] The second positioning portion is a key part of the positioning sleeve 104 for cooperating with the first positioning portion. The design of the second positioning portion needs to take into account factors such as the cooperating accuracy, stability and reliability with the first positioning portion, as well as the coaxiality and verticality after cooperating.

[0074] The positioning fit is achieved by the cooperation between the first positioning portion and the second positioning portion, thereby achieving accurate positioning between the second connecting shaft 108 and the positioning sleeve 104. This positioning fit not only improves the stability and reliability of the connection, but also helps to ensure the coaxiality and accuracy of the entire device during operation.

[0075] Through the precise cooperation of the first positioning portion and the second positioning portion, the positioning accuracy between the second connecting shaft 108 and the positioning sleeve 104 can be ensured. This high-precision positioning helps to reduce performance degradation and failure rate caused by connection errors. The realization of positioning cooperation makes the connection between the second connecting shaft 108 and the positioning sleeve 104 more stable and reliable. Even when subjected to external force or vibration, the two can maintain a tight connection state, thereby improving the stability and reliability of the entire device. By rationally designing the first positioning portion and the second positioning portion, the assembly process can be simplified and the difficulty of assembly can be reduced. The realization of positioning cooperation helps to ensure the coaxiality and accuracy of the entire device during operation, which is particularly important for mechanical systems that require high precision and stability, such as precision transmission devices, precision measuring equipment, etc.

[0076] According to one embodiment of the present invention, a through hole 116 is provided on the positioning sleeve 104, and the second connecting shaft 108 is suitable for switching between a positioning position and a disengaged position relative to the through hole 116. In the positioning position, the first positioning portion and the second positioning portion are positioned and adapted. In the disengaged position, the positioning sleeve 104 is suitable for axial movement along the second connecting shaft 108 relative to the second connecting shaft 108.

[0077] A through hole 116 is formed on the positioning sleeve 104. The design of the through hole 116 allows the second connecting shaft 108 to switch positions relative to the positioning sleeve 104. Specifically, the second connecting shaft 108 can switch freely between a positioning position and a disengaged position.

[0078] The through hole 116 allows the second connecting shaft 108 to pass through and switch positions relative to the positioning sleeve 104. The design of the through hole 116 needs to take into account the size, shape and movement range of the second connecting shaft 108, as well as the positioning and matching requirements.

[0079] The first positioning portion and the second positioning portion are the parts for positioning and fitting between the second connecting shaft 108 and the positioning sleeve 104. The design of the first positioning portion and the second positioning portion needs to ensure that they can fit together tightly and stably when in the positioning position, and can be smoothly separated when out of the position.

[0080] The positioning position and the disengaged position are two states in which the second connecting shaft 108 switches positions relative to the positioning sleeve 104. In the positioning position, the connection between the second connecting shaft 108 and the positioning sleeve 104 is stable and reliable, while in the disengaged position, other required actions or operations can be performed.

[0081] For example, a relief section can be provided on the sidewalls of the through hole 116 on opposite sides, and a segment that mates with the relief section can be provided at the end of the second connecting shaft 108. When the segment of the second connecting shaft 108 mates with the relief section on the through hole 116, the second connecting shaft 108 can be separated from the through hole 116. Once the second connecting shaft 108 is in place, the second connecting shaft 108 can be rotated a certain angle to align the second connecting shaft 108 with the through hole 116.

[0082] By allowing the second connecting shaft 108 to freely switch between the positioned and disengaged positions, this design improves the flexibility of the connection, enabling the bidirectional clamping device to quickly connect and disconnect according to different working requirements. In the positioned position, the close fit between the first and second positioning portions ensures a stable and reliable connection between the second connecting shaft 108 and the positioning sleeve 104.

[0083] Because the second connecting shaft 108 can be freely switched between a locked and unlocked position, operation and maintenance are simplified and convenient. This helps reduce production costs and improve production efficiency. This design allows for customization based on specific application scenarios and requirements. For example, the shape, size, and position of the through-hole 116 can be modified to accommodate second connecting shafts 108 of varying sizes and shapes.

[0084] According to an embodiment of the present invention, a fixed handle 118 is further included. The fixed handle 118 is connected to the first end of the first connecting shaft 106 , and the fixed handle 118 is located at an end of the compression sleeve 100 away from the positioning sleeve 104 .

[0085] The newly added fixed handle 118 is used to provide additional stability and control. The fixed handle 118 is directly connected to the first end of the first connecting shaft 106 to ensure a firm connection and reliable support.

[0086] The fixed handle 118 provides an additional support point for the bidirectional clamping device, significantly enhancing the stability of the overall structure. Especially when it is necessary to withstand large external forces or pressures, the fixed handle 118 can effectively prevent the components from loosening or displacement. Users can operate and control the device or structure more conveniently by holding the fixed handle 118. This design makes the operation more intuitive and convenient, improving work efficiency and safety. By designing the fixed handle 118 at the end of the clamping sleeve 100 away from the positioning sleeve 104, this embodiment optimizes the relative positions and spatial layout between the components while maintaining the overall structure compact. This not only improves the overall aesthetics of the device, but also reduces the occupied space, making it easier to install and maintain. The addition of the fixed handle 118 also improves the functionality of the device or structure to a certain extent. For example, in some application scenarios, the user may need to use the fixed handle 118 to apply additional force or perform specific operations.

[0087] The following describes how to use the bidirectional pressing device provided in the embodiment of the utility model:

[0088] like Figures 1 to 5 As shown, first, the first bushing is arranged on the left side of the compression sleeve 100, and the second bushing is arranged on the right side of the positioning sleeve 104;

[0089] Next, insert the first connecting shaft 106 and the second connecting shaft 108 into the mounting hole from both sides thereof;

[0090] Again, the first connecting shaft 106 and the second connecting shaft 108 are connected by the connecting sleeve 110;

[0091] Again, the first connecting shaft 106 and the second connecting shaft 108 are stably supported in the mounting hole by the support member 102 to ensure the coaxiality of the first connecting shaft 106 and the second connecting shaft 108 with the mounting hole;

[0092] Finally, by rotating the rotating sleeve 112, the rotating sleeve 112 gradually compresses the compression sleeve 100, thereby driving the compression sleeve 100 to move axially along the first connecting shaft 106. As the compression sleeve 100 is compressed, the first bushing is stably installed in the mounting hole. At the same time, as the compression sleeve 100 is compressed, the positioning sleeve 104 can be driven to compress the second bushing, thereby making the second bushing stably installed in the mounting hole.

[0093] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A bidirectional pressing device, characterized in that: include: Connecting shaft assembly; A compression sleeve (100) is movably mounted on the first end of the connecting shaft assembly, the compression sleeve (100) being adapted for axial movement relative to the connecting shaft assembly; A support member (102) is connected to the connecting shaft assembly, and the support member (102) is used to support the inner wall of the mounting hole to ensure the coaxiality of the connecting shaft assembly and the mounting hole; A positioning sleeve (104) is connected to the second end of the connecting shaft assembly, and the side of the compression sleeve (100) facing the positioning sleeve (104) is used to compress the first bushing, and the side of the positioning sleeve (104) facing the compression sleeve (100) is used to compress the second bushing.

2. The bidirectional pressing device according to claim 1, characterized in that: The connecting shaft assembly comprises: a first connecting shaft (106), the compression sleeve (100) being connected to a first end of the first connecting shaft (106); a second connecting shaft (108), the positioning sleeve (104) being connected to a first end of the second connecting shaft (108); A connecting sleeve (110) is connected to the second end of the first connecting shaft (106) and the second end of the second connecting shaft (108) to connect or disconnect the first connecting shaft (106) and the second connecting shaft (108).

3. The bidirectional pressing device according to claim 2, characterized in that: The support member (102) is connected to at least one of the first connecting shaft (106) and the second connecting shaft (108).

4. The bidirectional pressing device according to claim 3, characterized in that: At least one of the first connecting shaft (106) and the second connecting shaft (108) is sleeved with a torsion spring, and the support member (102) includes at least three lugs, and the at least three lugs are connected to the torsion spring.

5. The bidirectional pressing device according to claim 2, characterized in that: A rotating sleeve (112) is connected to the first connecting shaft (106), and the rotating sleeve (112) is connected to the side of the compression sleeve (100) facing away from the positioning sleeve (104). The rotating sleeve (112) is used to drive the axial movement of the compression sleeve (100) relative to the first connecting shaft (106).

6. The bidirectional pressing device according to claim 5, characterized in that: A bearing (114) is provided in the rotating sleeve (112), and the side of the bearing (114) facing the positioning sleeve (104) is suitable for pressing the pressing sleeve (100).

7. The bidirectional pressing device according to claim 5, characterized in that: A threaded section is formed on part of the first connecting shaft (106), and the rotating sleeve (112) is threadedly connected to the threaded section.

8. The bidirectional pressing device according to claim 2, characterized in that: The first end of the second connecting shaft (108) is provided with a first positioning portion, and the positioning sleeve (104) is provided with a second positioning portion that is positioned and adapted to the first positioning portion. The positioning sleeve (104) is suitable for achieving positioning cooperation with the second connecting shaft (108) through cooperation between the first positioning portion and the second positioning portion.

9. The bidirectional pressing device according to claim 8, characterized in that: A through hole (116) is provided on the positioning sleeve (104), and the second connecting shaft (108) is suitable for switching between a positioning position and a disengaged position relative to the through hole (116). In the positioning position, the first positioning portion and the second positioning portion are positioned and adapted. In the disengaged position, the positioning sleeve (104) is suitable for axial movement along the second connecting shaft (108) relative to the second connecting shaft (108).

10. The bidirectional pressing device according to any one of claims 2 to 9, characterized in that: It also includes a fixed handle (118), which is connected to the first end of the first connecting shaft (106), and the fixed handle (118) is located at an end of the compression sleeve (100) away from the positioning sleeve (104).

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