Side wall preassembling and fixing device

Abstract

The utility model provides a side wall preassembling and fixing device which comprises an abutting clamping portion, a fixing portion and a fixing portion, the abutting clamping portion comprises an abutting block and a clamping block, the abutting block and the clamping block are oppositely arranged, and a gap used for placing a preassembling plate is arranged between the abutting block and the clamping block; the connecting rod driving part comprises a handle, a clamping arm and a connecting rod mechanism, the handle is connected with the clamping arm through the connecting rod mechanism, the clamping arm is connected with the clamping block, and the handle drives the clamping arm through the connecting rod mechanism to drive the clamping block to abut against or be away from the preassembled plate. According to the side wall preassembling fixing device, clamping of the side wall metal plate and the threshold metal plate is achieved through the abutting clamping part and the connecting rod driving part, so that the side wall metal plate and the threshold metal plate form a preassembling plate, and production of the next procedure is facilitated. The side wall preassembling fixing device can be used for preassembling side wall metal plates and threshold metal plates which are made of high-strength materials, and the situation that an original structure is inconvenient to bend or bent parts are fractured is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle manufacturing, and in particular to a side panel pre-installation fixing device. Background Art

[0002] The station where the body side and body floor assembly are connected is the most critical assembly station in the body frame manufacturing process. In recent years, in order to improve the efficiency and quality stability of body frame manufacturing, this key assembly station has adopted automated production. In order to achieve automated production, the body side needs to be pre-installed on the body floor, and then the pre-installed parts are transported as a whole to the automated station by a conveyor.

[0003] Generally, the side panels use "little ears" on the bent part structure to achieve pre-installation with the floor. However, for ultra-high-strength thermoformed materials, such little ears are difficult to bend or break and fail during the bending process.

[0004] Therefore, it is necessary to design a side enclosure pre-installation fixing device. Utility Model Content

[0005] In view of this, in order to overcome the defects of the prior art, the utility model provides a side panel pre-installation fixing device, which effectively solves the problem that the existing method of using "small ears" to achieve the pre-installation of the side panel and the floor has the problem that the small ears are difficult to bend or break and fail during the bending process.

[0006] According to the utility model, a side panel pre-installation fixing device is provided, which is used for pre-installing the side panel sheet metal and the door sill sheet metal of the vehicle, the side panel sheet metal and the door sill sheet metal abut each other to form a pre-installed panel, wherein the side panel pre-installation fixing device includes an abutment clamping part, including an abutment block and a clamping block, the abutment block and the clamping block are arranged facing each other, and a gap for placing the pre-installed panel is arranged between the abutment block and the clamping block; a connecting rod driving part includes a handle, a clamping arm and a connecting rod mechanism, the handle is connected to the clamping arm through the connecting rod mechanism, the clamping arm is connected to the clamping block, and the handle drives the clamping arm through the connecting rod mechanism to drive the clamping block to abut or move away from the pre-installed panel.

[0007] Preferably, the connecting rod mechanism includes a fixed block and a connecting rod, the fixed block is arranged on a side of the abutment block opposite to the gap, the fixed block includes a first rotating shaft and a second rotating shaft respectively arranged at both ends of the fixed block, the first end of the connecting rod is rotatably connected to the first rotating shaft, the second end of the connecting rod is rotatably connected to the handle, and the clamping arm is rotatably connected to the second rotating shaft.

[0008] Preferably, a third rotating shaft and a fourth rotating shaft are provided at the end of the handle facing the abutting clamping portion, the first end of the clamping arm is rotatably connected to the second rotating shaft and the fourth rotating shaft respectively, and the second end of the connecting rod is rotatably connected to the third rotating shaft.

[0009] Preferably, the handle is formed into an L-shaped structure, the L-shaped structure includes a short side segment and a long side segment connected to each other, the third rotating axis and the fourth rotating axis are respectively arranged at the first end and the second end of the short side segment; and / or when the second rotating axis, the third rotating axis and the fourth rotating axis are in the same straight line, the side panel pre-installation fixing device clamps the pre-installed panel.

[0010] Preferably, the fixed block includes a pivot end and a connecting end, the pivot end and the connecting end are arranged back to back, the connecting end abuts the abutting block, the pivot end forms an L-shaped structure, and the first rotating shaft and the second rotating shaft are respectively arranged at both ends of the L-shaped structure.

[0011] Preferably, the clamping arm includes a first contact end, a transition section and a second contact end, the first contact end and the second contact end are respectively arranged at two ends of the transition section, the first contact end and the second contact end are arranged perpendicular to each other, the transition section is provided with a process hole, the first contact end is formed into an arc, the arc is respectively connected to the second rotating shaft and the fourth rotating shaft, and the setting position of the fourth rotating shaft is higher than the second rotating shaft.

[0012] Preferably, the side panel pre-installation fixing device also includes an adjusting portion, which is arranged on the abutting clamping portion, and the adjusting portion includes an adjusting piece and an adjusting rod, the adjusting piece is adjustable on the adjusting rod, the end of the adjusting rod is connected to the clamping block, the adjusting rod passes through the second end of the clamping arm, and the adjusting piece is arranged between the second end of the clamping arm and the clamping block.

[0013] Preferably, the abutment block comprises a clamping surface and an abutment surface connected to each other, the clamping surface faces the clamping block, and the abutment surface abuts against the pre-installed panel.

[0014] Preferably, the abutting surface further includes a positioning piece extending toward the pre-installed panel.

[0015] Preferably, the positioning member is a round pin, a diamond pin or an elliptical pin.

[0016] According to the side panel pre-installation fixing device of the utility model, the side panel sheet metal and the door sill sheet metal are clamped by abutting the clamping part and the connecting rod driving part, so that the side panel sheet metal and the door sill sheet metal form a pre-installed plate, which is convenient for the production of the next process. The side panel pre-installation fixing device can be used for pre-installation of side panel sheet metal and door sill sheet metal made of high-strength materials, avoiding the situation that the original structure is not easy to bend or the bending parts will break.

[0017] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A schematic structural diagram of a side panel pre-installation fixing device according to an embodiment of the utility model is shown;

[0020] Figure 2 A side view showing a side panel pre-installation fixing device according to an embodiment of the utility model;

[0021] Figure 3 Another side view of the side panel pre-installation fixing device according to an embodiment of the utility model is shown;

[0022] Figure 4 A partial cross-sectional view showing a side panel pre-installation fixing device according to an embodiment of the utility model;

[0023] Figure 5 A structural schematic diagram showing the installation and use of the side panel pre-installation fixing device according to an embodiment of the utility model.

[0024] Figure markings: 1-abutment clamping part; 101-abutment block; 102-clamping block; 103-clamping surface; 104-abutment surface; 105-positioning member; 2-connecting rod driving part; 201-handle; 202-clamping arm; 203-fixing block; 204-connecting rod; 205-first rotating shaft; 206-second rotating shaft; 207-third rotating shaft; 208-fourth rotating shaft; 209-short side section; 210-long side section; 211-pivot end; 212-connecting end; 213-first contact end; 214-transition section; 215-second contact end; 216-process hole; 3-adjustment part; 301-adjustment rod; 302-adjustment member; 4-side panel metal; 5-sill panel metal. DETAILED DESCRIPTION

[0025] The following specific embodiments are provided to help the reader obtain a comprehensive understanding of the methods, devices and / or systems described herein. However, after understanding the disclosure of the present application, various changes, modifications and equivalents of the methods, devices and / or systems described herein will be apparent. For example, the order of operations described herein is merely an example, and is not limited to the order set forth herein, but in addition to the operations that must occur in a particular order, changes that will be apparent after understanding the disclosure of the present application may be made. In addition, in order to improve clarity and brevity, descriptions of features known in the art may be omitted.

[0026] The features described herein may be implemented in different forms and should not be interpreted as being limited to the examples described herein. Rather, the examples described herein have been provided only to illustrate some of the many possible ways of implementing the methods, devices and / or systems described herein that will be apparent after understanding the disclosure of the present application.

[0027] Throughout the specification, when an element (such as a layer, a region, or a substrate) is described as being “on”, “connected to”, “bound to”, “over”, or “covering” another element, it may be directly “on”, “connected to”, “bound to”, “over”, or “covering” another element, or one or more other elements may be present between them. In contrast, when an element is described as being “directly on”, “directly connected to”, “directly bound to”, “directly over”, or “directly covering” another element, there may be no other elements present between them.

[0028] As used herein, the term "and / or" includes any one of the associated listed items and any combination of any two or more items.

[0029] Although terms such as "first," "second," and "third" may be used herein to describe various members, components, regions, layers, or portions, these members, components, regions, layers, or portions are not limited by these terms. Rather, these terms are only used to distinguish one member, component, region, layer, or portion from another member, component, region, layer, or portion. Therefore, without departing from the teachings of the examples described herein, the first member, component, region, layer, or portion referred to may also be referred to as the second member, component, region, layer, or portion.

[0030] For ease of description, spatial relational terms such as "above", "upper", "below", and "lower" may be used herein to describe the relationship of one element to another element as shown in the accompanying drawings. Such spatial relational terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. For example, if the device in the accompanying drawings is turned over, an element described as being "above" or "upper" relative to another element will subsequently be "below" or "lower" relative to the other element. Therefore, the term "above" includes both "above" and "below" orientations depending on the spatial orientation of the device. The device may also be positioned in other ways (e.g., rotated 90 degrees or in other orientations), and the spatial relational terms used herein will be interpreted accordingly.

[0031] The terms used herein are only used to describe various examples and are not used to limit the examples. Unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. The terms "include", "comprising" and "having" list the existence of the stated features, quantities, operations, components, elements and / or their combinations, but do not exclude the existence or addition of one or more other features, quantities, operations, components, elements and / or their combinations.

[0032] Variations in the shapes shown in the drawings may occur due to manufacturing techniques and / or tolerances. Therefore, the examples described herein are not limited to the specific shapes shown in the drawings but include variations in shapes that occur during manufacturing.

[0033] The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. In addition, although the examples described herein have various configurations, other configurations are possible as will be apparent after understanding the disclosure of the present application.

[0034] According to a side panel pre-installation fixing device provided by the utility model, Figures 1 to 5 As shown, the side panel pre-installation fixing device is used to pre-install the side panel metal 4 and the door sill sheet metal 5 of the vehicle, and can quickly realize the pre-installation of the side panel metal 4 and the door sill sheet metal 5, and no longer needs to rely on the structural design of the side panel metal 4 and the door sill sheet metal 5 (for example, the "small ear" structure mentioned in the background technology, the "small ear" structure is similar to a bendable fixing sheet, and is arranged on the side of the side panel metal 4 or the door sill sheet metal 5). The side panel pre-installation fixing device includes an abutting clamping part 1 and a connecting rod driving part 2.

[0035] In the following description, reference will be made to Figures 1 to 5 The detailed structures of the abutting clamping part 1 and the connecting rod driving part 2 of the side panel pre-installation fixing device are described in detail.

[0036] like Figure 1 , Figure 2 and Figure 5 As shown, in the embodiment, in order to facilitate production and installation, the side panel metal 4 and the door sill sheet metal 5 of the vehicle need to be pre-installed, and the pre-installed side panel metal 4 and the door sill sheet metal 5 abut against each other to form a pre-installed panel.

[0037] The abutment clamping part 1 may include an abutment block 101 and a clamping block 102, and the abutment block 101 and the clamping block 102 are arranged facing each other to facilitate clamping the pre-installed panel. A gap is provided between the abutment block 101 and the clamping block 102 for placing the pre-installed panel. In this way, the pre-installed panel can be clamped in the gap, and the pre-installed panel is clamped by the abutment block 101 and the clamping block 102 to realize the pre-installation of the side panel 4 and the door sill sheet metal 5, replacing the need to additionally design a small ear structure in the original process to realize pre-installation. After the side panel pre-installation fixing device pre-clamps the side panel 4 and the door sill sheet metal 5, it can be transported to the next process along the production line. The next process is the welding of the side panel 4 and the door sill sheet metal 5. At this time, the side panel pre-installation fixing device can be disassembled and transported to the original production process.

[0038] Preferably, the size of the abutment block 101 is larger than that of the clamping block 102 . The abutment block 101 is used for abutment between the side panel 4 and the door sill sheet metal 5 , and therefore has a larger size to facilitate the clamping of the clamping block 102 .

[0039] like Figure 1 , Figure 2 and Figure 5 As shown, in the embodiment, the connecting rod driving part 2 may include a handle 201, a clamping arm 202 and a connecting rod mechanism, the handle 201 is connected to the clamping arm 202 through the connecting rod mechanism, the clamping arm 202 is connected to the clamping block 102, and the handle 201 drives the clamping arm 202 through the connecting rod mechanism to drive the clamping block 102 to abut against or away from the pre-installed panel. The connecting rod mechanism, as a driving structure, can enable the clamping block 102 to clamp or loosen the pre-installed panel, thereby realizing the pre-installation of the side panel 4 and the door sill sheet metal 5.

[0040] The side panel pre-installation fixing device realizes the pre-installation of the side panel sheet metal 4 and the door sill sheet metal 5 by abutting the clamping part 1 and the connecting rod driving part 2, realizes the pre-installation of the side panel sheet metal 4 and the door sill sheet metal 5 made of high-strength material, and solves the problem of parts breakage caused by the need to use the "small ear" method for pre-installation in the original solution.

[0041] Preferably, if Figure 1 and Figure 2As shown, in the embodiment, the connecting rod mechanism may include a fixed block 203 and a connecting rod 204, and the fixed block 203 is used to fix the connecting rod 204. The fixed block 203 is arranged on the side of the abutment block 101 that is opposite to the gap, and the fixed block 203 includes a first rotating shaft 205 and a second rotating shaft 206 respectively arranged at both ends of the fixed block 203, the first end of the connecting rod 204 is rotatably connected to the first rotating shaft 205, the second end of the connecting rod 204 is rotatably connected to the handle 201, and the clamping arm 202 is rotatably connected to the second rotating shaft 206. The fixed block 203, the connecting rod 204 and the clamping arm 202 can be understood as a similar connecting rod structure, and the movement of the handle 201 drives the clamping arm 202 through the movement of the connecting rod structure.

[0042] Preferably, if Figure 1 and Figure 2 As shown, in the embodiment, the end of the handle 201 facing the clamping part 1 is provided with a third rotating shaft 207 and a fourth rotating shaft 208, the first end of the clamping arm 202 is rotatably connected to the second rotating shaft 206 and the fourth rotating shaft 208 respectively, and the second end of the linkage rod 204 is rotatably connected to the third rotating shaft 207. In other words, the fixed block 203, the linkage rod 204, the clamping arm 202 and the handle 201 can be a four-axis linkage mechanism, in which the fixed block 203 is fixed and the other three can be moved by the rotating shaft. Figure 2 As shown, at this time, the side panel pre-installed fixing device is in a locked state. If the locking state needs to be released, the end of the handle 201 away from the fixing block 203 is moved upward (the upward movement here refers to Figure 2 At this time, due to the limitation of the connecting rod 204, the third rotating shaft 207 will rotate clockwise with the first rotating shaft 205 as the rotation center, and the fourth rotating shaft 208 will rotate clockwise with the second rotating shaft 206 as the rotation center, thereby lifting the clamping arm 202 and driving the clamping block 102 away from the abutment block 101.

[0043] Preferably, if Figure 3 As shown, in an embodiment, the handle 201 can be formed into an L-shaped structure, which includes a short side segment 209 and a long side segment 210 connected to each other, and the third rotating shaft 207 and the fourth rotating shaft 208 are respectively arranged at the first end and the second end of the short side segment 209, and the short side segment 209 is used to realize the driving of the connecting rod mechanism, and the long side segment 210 is convenient for the user to drive.

[0044] Preferably, in the embodiment, when the second rotating shaft 206, the third rotating shaft 207 and the fourth rotating shaft 208 are in the same straight line (such as Figure 3As shown in FIG. 2 , the side panel pre-installation fixing device clamps the pre-installed panel, that is, it is in a locked state. In addition, it is also possible to determine whether the clamping is in place by whether the second rotating shaft 206, the third rotating shaft 207 and the fourth rotating shaft 208 are in the same straight line. The straight line here can be understood as Figure 2 As shown in FIG. 1 , the center point of the second rotation axis 206 , the center point of the third rotation axis 207 and the center point of the fourth rotation axis 208 are located on a straight line.

[0045] Preferably, if Figure 3 As shown, in an embodiment, the fixed block 203 may include a pivot end 211 and a connecting end 212, the pivot end 211 and the connecting end 212 are arranged back to back, the pivot end 211 is used to realize the driving of the connecting rod mechanism, and the connecting end 212 abuts the abutting block 101, and the connecting end 212 is used to fix the fixed block 203.

[0046] Preferably, if Figure 3 As shown, in the embodiment, the pivot end 211 may be formed into an L-shaped structure, and the first rotating shaft 205 and the second rotating shaft 206 are respectively disposed at both ends of the L-shaped structure, and the positions of the first rotating shaft 205 and the second rotating shaft 206 are fixed.

[0047] Preferably, if Figure 4 As shown, in the embodiment, the clamping arm 202 may include a first contact end 213, a transition section 214 and a second contact end 215, the first contact end 213 and the second contact end 215 are respectively arranged at both ends of the transition section 214, the first contact end 213 and the second contact end 215 are arranged perpendicular to each other, the first contact end 213 is used to connect the connecting rod mechanism, and the second contact end 215 is used to connect the abutting clamping part 1. Due to the overall structural design, the first contact end 213 and the second contact end 215 of the clamping arm 202 need to be arranged perpendicular to each other, so the transition section 214 is used for transition, which is also convenient for use.

[0048] Preferably, the transition section 214 is provided with a process hole 216 for reducing weight. The first contact end 213 is formed into an arc shape, and the arc shape connects the second rotating shaft 206 and the fourth rotating shaft 208 respectively. The fourth rotating shaft 208 is arranged at a position higher than the second rotating shaft 206. The high arrangement position here refers to the position at Figure 4 In this way, the first contact end 213 of the clamping arm 202 can be connected to two rotating shafts at the same time, so that the clamping arm 202 and the handle 201 can move synchronously.

[0049] Preferably, if Figure 2 and Figure 4As shown, in an embodiment, the side panel pre-installation fixing device may further include an adjusting portion 3, which is arranged on the abutting clamping portion 1. The adjusting portion 3 can be used to adjust the gap between the abutting block 101 and the clamping block 102, thereby adapting to side panel sheets 4 and door sill sheets 5 of different thicknesses to ensure clamping and fixing in place.

[0050] Preferably, if Figure 2 and Figure 4 As shown, in the embodiment, the adjusting portion 3 includes an adjusting member 302 and an adjusting rod 301 , and the adjusting member 302 is arranged on the adjusting rod 301 in an adjustable position.

[0051] Preferably, the adjustment of the adjusting member 302 and the adjusting rod 301 may be in the form of a threaded connection. Specifically, the outer side wall of the adjusting rod 301 may be provided with an external thread, and the adjusting member 302 may be formed as a nut with an internal thread.

[0052] Preferably, if Figure 2 and Figure 4 As shown, in the embodiment, the end of the adjustment rod 301 is connected to the clamping block 102, the adjustment rod 301 passes through the second end of the clamping arm 202, and the adjustment member 302 is disposed between the second end of the clamping arm 202 and the clamping block 102. Thus, by adjusting the position of the adjustment member 302 on the adjustment rod 301, the clamping block 102 can be moved away from or close to the abutting block 101, thereby adjusting the size of the gap.

[0053] Preferably, if Figure 5 As shown, in the embodiment, the abutment block 101 includes a clamping surface 103 and an abutment surface 104 connected to each other, the clamping surface 103 faces the clamping block 102, and the abutment surface 104 abuts against the pre-installed plate. The clamping surface 103 is used for clamping the pre-installation, and the abutment surface 104 is used for positioning.

[0054] Preferably, if Figure 5 As shown, in the embodiment, the abutment surface 104 further includes a positioning member 105 extending toward the pre-installed panel. The positioning member 105 can be inserted into the mounting hole of the side panel 4 to facilitate the overall positioning of the side panel pre-installed fixing device.

[0055] Preferably, in the embodiment, the positioning member 105 is a round pin, a diamond pin or an elliptical pin, and the shape of the positioning member can be specifically selected according to the shape of the mounting hole of the side panel 4 to achieve the overall positioning of the side panel pre-installed fixing device.

[0056] The side panel pre-installation fixing device is used as follows: adjust the position of the adjusting member 302 on the adjusting rod 301, and select a suitable gap distance according to the subsequent installation of the side panel metal 4 and the door sill sheet metal 5. Then the user holds the handle 201, aligns the abutting surface 104 with the side panel metal 4, and inserts the positioning member 105 into the mounting hole of the side panel metal 4 to achieve overall positioning, then abuts the pre-aligned side panel metal 4 and the door sill sheet metal 5 with the clamping surface 103 of the abutting block 101, and moves the handle 201 downward (such as Figure 5 The third rotating shaft 207 rotates counterclockwise with the first rotating shaft 205 as the rotating center, and the fourth rotating shaft 208 rotates counterclockwise with the second rotating shaft 206 as the rotating axis, driving the clamping arm 202 to rotate clockwise with the second rotating shaft 206 as the rotating center, thereby driving the clamping block 102 to approach the abutting block 101, and clamping the side panel metal 4 and the door sill sheet metal 5 located in the gap, so that the side panel metal 4 and the door sill sheet metal 5 are formed into pre-assembled panels, and the clamping state is as shown in FIG. Figure 5 As shown. The pre-assembled pre-installed panels are then transported to the next process, and the side panel pre-installation fixture is moved to the next process together. The clamping state can be released by pulling the handle 201 upward, and the side panel pre-installation fixture can return to the original process for the next pre-installation.

[0057] The side panel pre-installation fixing device clamps the side panel sheet metal and the door sill sheet metal by abutting the clamping part and the connecting rod driving part, so that the side panel sheet metal and the door sill sheet metal form a pre-installed plate, which is convenient for the production of the next process. The side panel pre-installation fixing device can be used for the pre-installation of the side panel sheet metal and the door sill sheet metal made of high-strength materials, avoiding the situation that the original structure is not easy to bend or the bending parts will break.

[0058] Finally, it should be noted that the above-described embodiments are only specific implementation methods of the present application, which are used to illustrate the technical solutions of the present application, rather than to limit them. The protection scope of the present application is not limited thereto. Although the present application is described in detail with reference to the above-described embodiments, ordinary technicians in the field should understand that any technician familiar with the technical field can still modify the technical solutions recorded in the above-described embodiments within the technical scope disclosed in the present application, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A side panel pre-installation fixing device, used for pre-installing the side panel sheet metal and the door sill sheet metal of a vehicle, wherein the side panel sheet metal and the door sill sheet metal abut against each other to form a pre-installed panel, It is characterized in that The side panel pre-installation fixing device comprises: An abutting and clamping portion, comprising an abutting block and a clamping block, wherein the abutting block and the clamping block are arranged facing each other, and a gap for placing the pre-installed panel is arranged between the abutting block and the clamping block; The connecting rod driving part includes a handle, a clamping arm and a connecting rod mechanism, wherein the handle is connected to the clamping arm through the connecting rod mechanism, the clamping arm is connected to the clamping block, and the handle drives the clamping arm through the connecting rod mechanism to drive the clamping block to abut against or away from the pre-installed plate.

2. The side panel pre-installation fixing device according to claim 1, It is characterized in that The connecting rod mechanism includes a fixed block and a connecting rod, the fixed block is arranged on a side of the abutment block opposite to the gap, the fixed block includes a first rotating shaft and a second rotating shaft respectively arranged at two ends of the fixed block, the first end of the connecting rod is rotatably connected to the first rotating shaft, the second end of the connecting rod is rotatably connected to the handle, and the clamping arm is rotatably connected to the second rotating shaft.

3. The side panel pre-installation fixing device according to claim 2, It is characterized in that The end of the handle facing the abutting clamping portion is provided with a third rotating shaft and a fourth rotating shaft, the first end of the clamping arm is rotatably connected to the second rotating shaft and the fourth rotating shaft respectively, and the second end of the connecting rod is rotatably connected to the third rotating shaft.

4. The side panel pre-installation fixing device according to claim 3, It is characterized in that The handle is formed into an L-shaped structure, the L-shaped structure comprises a short side segment and a long side segment connected to each other, the third rotating shaft and the fourth rotating shaft are respectively arranged at the first end and the second end of the short side segment; and / or When the second rotating shaft, the third rotating shaft and the fourth rotating shaft are in the same straight line, the side panel pre-installation fixing device clamps the pre-installation panel.

5. The side panel pre-installation fixing device according to claim 2, It is characterized in that The fixing block includes a pivot end and a connecting end, the pivot end and the connecting end are arranged back to back, the connecting end abuts the abutting block, the pivot end forms an L-shaped structure, and the first rotating shaft and the second rotating shaft are respectively arranged at both ends of the L-shaped structure.

6. The side panel pre-installation fixing device according to claim 3, It is characterized in that The clamping arm includes a first contact end, a transition section and a second contact end, the first contact end and the second contact end are respectively arranged at two ends of the transition section, the first contact end and the second contact end are arranged perpendicular to each other, the transition section is provided with a process hole, the first contact end is formed into an arc, and the arc is respectively connected to the second rotating shaft and the fourth rotating shaft, and the setting position of the fourth rotating shaft is higher than the second rotating shaft.

7. The side panel pre-installation fixing device according to claim 1, It is characterized in that The side panel pre-installation fixing device also includes an adjusting portion, which is arranged on the abutting clamping portion. The adjusting portion includes an adjusting piece and an adjusting rod. The adjusting piece is arranged on the adjusting rod in an adjustable position. The end of the adjusting rod is connected to the clamping block. The adjusting rod passes through the second end of the clamping arm, and the adjusting piece is arranged between the second end of the clamping arm and the clamping block.

8. The side panel pre-installation fixing device according to claim 1, It is characterized in that The abutment block comprises a clamping surface and an abutment surface connected to each other, the clamping surface faces the clamping block, and the abutment surface abuts against the pre-installed panel.

9. The side panel pre-installation fixing device according to claim 8, It is characterized in that The abutting surface further includes a positioning piece extending toward the pre-installed panel.

10. The side panel pre-installation fixing device according to claim 9, It is characterized in that The positioning member is a round pin, a diamond pin or an elliptical pin.

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