Fixing tool for spraying double-lock-catch machine cover

Abstract

The utility model provides a fixing tool for spraying a double-lock-catch machine cover, which comprises a machine cover fixing workpiece and a machine cover arranged on a vehicle, the machine cover fixing workpiece comprises a lifting component and fixing components arranged on two sides of the lifting component, and each fixing component comprises a primary clamping piece and a secondary locking piece. The fixing assembly is detachably connected with an inner plate mounting hole of the machine cover through a primary clamping piece, and the fixing assembly is locked with the inner plate mounting hole of the machine cover through a secondary locking piece; the angle fixing workpiece comprises a support assembly and a connecting assembly, the connecting assembly is arranged at the bottom of the support assembly, the connecting assembly is arranged on an anti-collision beam of the vehicle, and the support assembly faces a machine cover of the vehicle and is used for erecting the machine cover fixing workpiece. According to the fixing tool for spraying of the double-lock-catch machine cover, positioning and locking of a machine cover fixing workpiece and the machine cover can be achieved, the design that the tool is fixed to a weak area of the machine cover is avoided, and therefore the problems that a metal plate deforms, and even the tool shakes in the using process, so that the local part of an outer plate is slightly sunken are solved.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle manufacturing, and in particular to a fixing device for spraying a double-locking hood. Background Art

[0002] The hood of the vehicle needs to be painted and glued, and during the process of painting and gluing to spraying, the hood needs to be fixed at a certain angle and meet the requirements of opening and closing by personnel and robots in the production process to ensure operability in the production process (easy to open and close), and it needs to be firmly fixed without bumps, so as to avoid bumps and spraying defects during the painting and gluing.

[0003] The existing fixing tooling is used to fix on the single-layer plate area of ​​the inner panel of the hood. Due to the complex structure of this area, it will cause difficulties in the installation of the fixing tooling and the inner panel of the hood, and it cannot be guaranteed to be firmly fixed, which is very likely to cause bumps. In addition, since the sheet metal in the single-layer plate area of ​​the inner panel of the hood is relatively thin, it will cause deformation of the sheet metal during the fixed spraying process, and in severe cases it will even cause partial dents in the outer panel.

[0004] Therefore, it is necessary to design a fixed tooling for double-locking engine cover spraying to solve the above problems. Utility Model Content

[0005] In view of this, in order to overcome the defects of the prior art, the utility model provides a fixing tool for spraying double-lock hoods, which effectively solves the problem that the existing fixing tool is used to fix on the single-layer plate area of ​​the inner plate of the hood, which will cause sheet metal deformation during the fixed spraying process, and even cause local depression of the outer plate in severe cases.

[0006] According to the utility model, a fixing tool for spraying a double-lock hood is provided, wherein the fixing tool for spraying a double-lock hood includes a hood fixing workpiece, which is arranged on the hood of a vehicle, and the hood fixing workpiece includes a lifting component and a fixing component arranged on both sides of the lifting component, the fixing component includes a primary clamping member and a secondary locking member, the fixing component is detachably connected to the inner plate mounting hole of the hood through the primary clamping member, and the fixing component is locked with the inner plate mounting hole of the hood through the secondary locking member; an angle fixing workpiece includes a bracket assembly and a connecting assembly, the connecting assembly is arranged at the bottom of the bracket assembly, the connecting assembly is arranged on the anti-collision beam of the vehicle, and the bracket assembly faces the hood of the vehicle for the erection of the hood fixing workpiece.

[0007] Preferably, the fixing components are symmetrically arranged on both sides of the lifting component.

[0008] Preferably, the one-time clamping member comprises a mounting seat, a bayonet and a one-time locking handle, the one-time locking handle passes through the mounting seat and is connected to the bayonet, and the one-time locking handle is rotatably disposed on the mounting seat.

[0009] Preferably, the secondary locking member is a secondary locking handle, which is sleeved on the primary locking handle, the outer wall of the primary locking handle is formed with an external thread, the inner wall of the secondary locking handle is formed with an internal thread, and the secondary locking handle is connected to the primary locking handle via the external thread and the internal thread so as to be adjustable in position.

[0010] Preferably, the lifting assembly includes a first connecting rod, a lifting ring and a second connecting rod, one end of the first connecting rod is arranged at the middle of the second connecting rod, the other end of the first connecting rod is connected to the lifting ring, and the fixing assembly is arranged at both ends of the second connecting rod.

[0011] Preferably, the length of the first connecting rod is greater than the distance from the inner plate mounting hole of the machine cover to the edge of the machine cover.

[0012] Preferably, the lifting assembly further includes reinforcing rods arranged on both sides of the first connecting rod.

[0013] Preferably, the size of the mounting seat is smaller than the size of the lock mounting seat of the cover.

[0014] Preferably, the connecting assembly includes a third connecting rod and connecting legs arranged at both ends of the third connecting rod, and the connecting legs are connected to the anti-collision beam of the vehicle.

[0015] Preferably, the bracket assembly includes a fourth connecting rod and a lap joint, one end of the fourth connecting rod is arranged in the middle of the third connecting rod, the other end of the fourth connecting rod is connected to the lap joint, and the lap joint faces the machine cover fixing workpiece.

[0016] According to the fixing tool for double-lock hood spraying of the utility model, the hood fixing workpiece and the angle fixing workpiece can be coordinated to achieve positioning and locking of the hood fixing workpiece and the hood, thereby avoiding the design of fixing the tool on the weak area of ​​the hood, thereby avoiding sheet metal deformation and even the problem of slight local dents of the outer panel caused by shaking of the tool during use.

[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 machine cover fixing workpiece according to an embodiment of the utility model is shown;

[0020] Figure 2 Another structural schematic diagram of a cover fixing workpiece according to an embodiment of the utility model is shown;

[0021] Figure 3 The embodiment according to the utility model is shown Figure 2 A magnified view of the structure at A;

[0022] Figure 4 A schematic diagram showing the structure of an angle-fixed workpiece according to an embodiment of the utility model;

[0023] Figure 5 Another schematic structural diagram of an angle-fixed workpiece according to an embodiment of the utility model is shown;

[0024] Figure 6 A structural schematic diagram showing the loosened state and the clamped state of the machine cover fixing workpiece according to an embodiment of the utility model.

[0025] Figure markings: 1-machine cover fixing workpiece; 101-lifting assembly; 102-fixing assembly; 103-mounting seat; 104-pin; 105-primary locking handle; 106-secondary locking handle; 107-first connecting rod; 108-lifting ring; 109-second connecting rod; 110-reinforcing rod; 2-angle fixing workpiece; 201-bracket assembly; 202-connecting assembly; 203-third connecting rod; 204-connecting support foot; 205-fourth connecting rod; 206-lap part; 3-mounting hole. DETAILED DESCRIPTION

[0026] 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.

[0027] 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.

[0028] 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.

[0029] As used herein, the term "and / or" includes any one of the associated listed items and any combination of any two or more items.

[0030] 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.

[0031] 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.

[0032] 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.

[0033] 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.

[0034] 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.

[0035] According to the utility model, a fixing tool for spraying a double-lock cover is provided, such as Figures 1 to 5 As shown, the fixing tool for double-lock hood spraying is used for angle fixing in vehicle hood spraying and glue spraying. Since the double-lock hood does not need to be pre-installed with locks during assembly, the holes of the locks can be used as connection holes of the fixing tool, which is easy to install. The fixing tool for double-lock hood spraying includes a hood fixing workpiece 1 and an angle fixing workpiece 2.

[0036] In the following description, reference will be made to Figures 1 to 5 The detailed structures of the hood fixing workpiece 1 and the angle fixing workpiece 2 of the fixing fixture for double-lock hood spraying are specifically described.

[0037] like Figure 1 and Figure 2As shown, in the embodiment, the hood fixing workpiece 1 is disposed on the hood of the vehicle and is fixedly connected to the hood, and then cooperates with the angle fixing workpiece 2 described below to achieve angle fixing of the hood.

[0038] The hood fixing workpiece 1 may include a lifting assembly 101 and fixing assemblies 102 disposed on both sides of the lifting assembly 101. The fixing assembly 102 is used to fix with the hood of the vehicle to realize the positioning of the hood fixing workpiece 1. The lifting assembly 101 can facilitate the operator to drive the hood of the vehicle to move through the lifting assembly 101 after the hood fixing workpiece 1 is positioned.

[0039] The fixing assembly 102 may include a primary clamping member and a secondary locking member. The fixing assembly 102 is detachably connected to the inner plate mounting hole of the hood through the primary clamping member, and the fixing assembly 102 is locked with the inner plate mounting hole of the hood through the secondary locking member. The primary clamping member is used for preliminary clamping, and the secondary locking member is used to lock the clamped fixing assembly 102 and the vehicle hood to avoid shaking after clamping, thereby affecting subsequent spraying operations. In addition, the secondary locking structure uses the secondary locking member's own structure for locking, and does not require transitional extrusion of the sheet metal of the hood inner plate mounting hole to avoid sheet metal deformation.

[0040] The angle fixing workpiece 2 may include a bracket assembly 201 and a connection assembly 202. The bracket assembly 201 faces the hood of the vehicle to facilitate the overlap of the hood fixing workpiece 1. Since the hood fixing workpiece 1 only plays a role of positioning and fixing, it is necessary to cooperate with the angle fixing workpiece 2 to achieve the fixing of the vehicle hood angle, thereby facilitating the coating and gluing, and also preventing the hood from being bumped. The connection assembly 202 is arranged at the bottom of the bracket assembly 201. The connection assembly 202 can also be understood as a component that plays a fixing role. The connection assembly 202 can be arranged on the anti-collision beam of the vehicle. The anti-collision beam of the vehicle corresponds to the hood of the vehicle, so as to support the hood fixing workpiece 1.

[0041] The fixing fixture for double-lock hood spraying fixes and positions the hood through the hood fixing workpiece 1, and fixes the hood opening and closing angle through the angle fixing workpiece 2. The hood fixing workpiece 1 is overlapped on the fixed angle fixing workpiece 2 to fix the hood opening and closing angle, and at the same time, it also avoids the hood from bumping, ensuring the reliability of the coating and gluing to spraying process without causing quality problems. In addition, due to the complex structure of the single-layer plate area of ​​the hood inner plate and the thin sheet metal, the existing fixing method will cause the sheet metal to deform and partially dent. Therefore, the two fixing components 102 of the hood fixing workpiece 1 can make the force uniform and avoid deformation of the sheet metal. At the same time, in order to avoid deformation caused by squeezing the sheet metal, a positioning method of one-time clamping and secondary locking is adopted, which can achieve reliable fixing of the hood opening and closing during the production and manufacturing process.

[0042] Preferably, if Figure 1 and Figure 2 As shown, in the embodiment, the fixing components 102 are symmetrically arranged on both sides of the lifting component 101. The symmetrically arranged fixing components 102 can make the force more uniform during the fixing process, and can better fit the structure of the double-locking cover, avoiding deformation or even denting of the cover sheet metal due to uneven force during the installation and fixing process.

[0043] Preferably, if Figures 1 to 3 and Figure 6 As shown, in the embodiment, the one-time clamping member may include a mounting seat 103, a clamping pin 104 and a one-time locking handle 105. It should be noted that the inner plate mounting hole (such as Figure 6 The mounting hole 3) shown can be understood as a long strip hole, an elliptical hole or other holes suitable for clamping. The mounting seat 103 is used to cover the outer periphery of the mounting hole 3 of the cover, which can disperse and reduce the extrusion force at the connection, further reducing the risk of the sheet metal being extruded and deformed.

[0044] The one-time locking handle 105 passes through the mounting seat 103 and is connected to the bayonet 104. The one-time locking handle 105 is rotatably arranged on the mounting seat 103. The rotatable here means that the mounting seat 103 can be provided with a through hole with a size larger than that of the one-time locking handle 105, and the two are interference fit, so that rotation is achieved. In addition, the bayonet 104 can be fixedly arranged at the end of the one-time locking handle 105, and the bayonet 104 can be driven to rotate by rotating the one-time locking handle 105.

[0045] Preferably, if Figure 3 As shown, in an embodiment, the one-time locking handle 105 can be formed into an L-shaped structure, which includes a long side segment and a short side segment, wherein the long side segment and the short side segment are vertically connected to each other, wherein a latch 104 is provided at the end of the long side segment, and the short side segment can be convenient for the user to hold, and then rotate the one-time locking handle 105 to drive the latch 104 to rotate.

[0046] Preferably, if Figure 6 As shown, in the embodiment, the latch 104 can be formed into a long strip structure, and the length of the latch 104 of the long strip structure is greater than the width of the mounting hole 3, so as to achieve the latching. Figure 6 The figure shows that the release state of the latch 104 is switched to the locking state.

[0047] Preferably, if Figure 3As shown, in the embodiment, the secondary locking member is a secondary locking handle 106, which is sleeved on the primary locking handle 105, and the outer wall of the primary locking handle 105 is formed with an external thread, and the inner wall of the secondary locking handle 106 is formed with an internal thread, and the secondary locking handle 106 is connected to the primary locking handle 105 through the external thread and the internal thread so that the position can be adjusted. Specifically, the secondary locking handle 106 is sleeved on the long side section of the primary locking handle 105, and the outer side wall of the long side section of the primary locking handle 105 is formed with an external thread, so that the long side section with the external thread can be understood as a bolt, and the secondary locking handle 106 with the internal thread can be understood as a nut, and by rotating the secondary locking handle 106, the position of the bayonet 104 connected to the primary locking handle 105 can be adjusted, thereby reducing the gap between the bayonet 104 and the sheet metal, and the bayonet 104 is clamped to the mounting hole 3 of the sheet metal without shaking.

[0048] Preferably, the secondary locking handle 106 may include a nut end and a handle end. The user may hold the handle end and rotate the handle end to drive the nut end to move on the primary locking handle 105 through a threaded connection. Since the position of the mounting seat 103 is determined, the bayonet 104 may be moved in the process of screwing the secondary locking handle 106. Figure 3 As shown in , it moves from left to right and approaches the mounting seat 103. At this time, the sheet metal is located between the mounting seat 103 and the bayonet 104, and the secondary locking handle 106 is turned so that the bayonet 104 and the mounting seat 103 clamp the sheet metal to achieve locking.

[0049] Preferably, if Figure 1 and Figure 2 As shown, in the embodiment, the lifting assembly 101 includes a first connecting rod 107, a lifting ring 108 and a second connecting rod 109, one end of the first connecting rod 107 is arranged in the middle of the second connecting rod 109, the other end of the first connecting rod 107 is connected to the lifting ring 108, and the fixing assembly 102 is arranged at both ends of the second connecting rod 109. The lifting ring 108 can be used to change the current position of the machine cover, and in the spraying operation, the operator is prevented from directly contacting the machine cover. The first connecting rod 107 and the second connecting rod 109 can serve as the main body of the machine cover fixing workpiece 1, and play a role in supporting the entire structure.

[0050] Preferably, if Figure 1 and Figure 2 As shown, in the embodiment, the first connecting rod 107 and the second connecting rod 109 are perpendicular to each other and the force is stable.

[0051] Preferably, in the embodiment, the length of the first connecting rod 107 is greater than the distance from the inner plate mounting hole of the cover to the edge of the cover. In order to facilitate the operator to contact the lifting ring 108, the length of the first connecting rod 107 needs to be greater than the distance from the inner plate mounting hole of the cover to the edge of the cover, that is, the lifting ring 108 needs to be set outside the cover.

[0052] Preferably, if Figure 1 and Figure 2 As shown, in the embodiment, in order to improve the installation and use strength, the pulling assembly 101 also includes a reinforcing rod 110 arranged on both sides of the first connecting rod 107.

[0053] Preferably, in the embodiment, the size of the mounting seat 103 is smaller than the size of the lock mounting seat of the cover, so as to facilitate installation.

[0054] Preferably, in an embodiment, in order to reduce and lower the extrusion force at the connection and avoid displacement during the connection process, the size of the mounting seat 103 is larger than the size of the mounting hole 3 of the inner panel of the hood, so that the mounting seat 103 completely covers the mounting hole 3 of the inner panel of the hood.

[0055] Preferably, if Figure 4 and Figure 5 As shown, in the embodiment, the connecting assembly 202 includes a third connecting rod 203 and connecting legs 204 disposed at both ends of the third connecting rod 203, and the connecting legs 204 are connected to the anti-collision beam of the vehicle. The angle fixing workpiece 2 is installed at the anti-collision beam of the vehicle through the connecting legs 204, which can be specifically a mounting base of the anti-collision beam, and the connecting legs 204 can be directly plugged into the mounting base of the anti-collision beam.

[0056] Preferably, if Figure 4 and Figure 5 As shown, in the embodiment, the bracket assembly 201 includes a fourth connecting rod 205 and a lap joint 206, one end of the fourth connecting rod 205 is arranged at the middle of the third connecting rod 203, and the other end of the fourth connecting rod 205 is connected to the lap joint 206, and the lap joint 206 faces the cover fixing workpiece 1. Specifically, the third connecting rod 203 and the fourth connecting rod 205 are the main structure of the angle fixing workpiece 2, and the lap joint 206 is arranged on the top of the main structure and faces the cover fixing workpiece 1. The lap joint 206 can be formed into a Y-shaped structure, and the first connecting rod 107 of the cover fixing workpiece 1 can be directly overlapped in the bifurcation position of the Y-shaped structure.

[0057] Preferably, if Figure 5 As shown, in the embodiment, the fourth link 205 is arranged perpendicular to the body of the vehicle, so that the opening and closing angle of the hood can be adjusted. In addition, since the opening and closing angle of the hood needs to be fixed, the length of the fourth link 205 needs to be adjusted. The length of the fourth link 205 can be specifically selected according to the spraying needs of different hoods of different models.

[0058] The method of using the fixing tool for double-lock hood spraying is as follows: first fix the hood fixing workpiece 1 on the hood, cover the mounting seat 103 on the mounting hole 3 of the hood inner plate, then insert the bayonet 104 into the mounting hole 3, rotate the locking handle 105 once so that the bayonet 104 is engaged with the mounting hole 3, and then rotate the locking handle 106 twice so that the bayonet 104 moves toward the mounting seat 103 until it abuts against the sheet metal of the hood inner plate and is locked. At this time, the hood fixing workpiece 1 is installed. Then install the angle fixing workpiece 2, insert the connecting leg 204 of the angle fixing workpiece 2 into the mounting base of the vehicle anti-collision beam, and make the lap joint 206 face the hood fixing workpiece 1. Finally, overlap the hood fixing workpiece 1 with the angle fixing workpiece 2, so that the hood is at a certain opening and closing angle. The operator can adjust the position of the hood through the lifting ring 108.

[0059] The fixing fixture for double-lock hood spraying can achieve positioning and locking of the hood fixing workpiece and the hood through the cooperation of the hood fixing workpiece and the angle fixing workpiece, while also avoiding the design of fixing the fixture on the weak area of ​​the hood, thereby avoiding sheet metal deformation and even the problem of slight dents in the outer panel due to shaking of the fixture during use.

[0060] 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 fixed tool for spraying double-lock engine cover, characterized in that: The fixed tooling for spraying the double-lock cover includes: A hood fixing workpiece is arranged on the hood of a vehicle, the hood fixing workpiece comprises a lifting assembly and fixing assemblies arranged on both sides of the lifting assembly, the fixing assemblies comprise a primary clamping member and a secondary locking member, the fixing assembly is detachably connected to the inner plate mounting hole of the hood through the primary clamping member, and the fixing assembly is locked with the inner plate mounting hole of the hood through the secondary locking member; The angle fixing workpiece comprises a bracket assembly and a connecting assembly, wherein the connecting assembly is arranged at the bottom of the bracket assembly, the connecting assembly is arranged on the anti-collision beam of the vehicle, and the bracket assembly faces the hood of the vehicle for setting up the hood fixing workpiece.

2. The fixing device for double-locking engine cover spraying according to claim 1 is characterized in that: The fixing components are symmetrically arranged on both sides of the pulling component.

3. The fixing device for spraying double-locking engine cover according to claim 1 is characterized in that: The one-time clamping member comprises a mounting seat, a bayonet and a one-time locking handle. The one-time locking handle passes through the mounting seat and is connected to the bayonet. The one-time locking handle is rotatably arranged on the mounting seat.

4. The fixing device for spraying double-locking cover according to claim 3 is characterized in that: The secondary locking part is a secondary locking handle, which is sleeved on the primary locking handle. The outer wall of the primary locking handle is formed with an external thread, and the inner wall of the secondary locking handle is formed with an internal thread. The secondary locking handle is connected to the primary locking handle via the external thread and the internal thread so that its position can be adjusted.

5. The fixing device for spraying double-locking cover according to claim 1 is characterized in that: The lifting assembly includes a first connecting rod, a lifting ring and a second connecting rod, one end of the first connecting rod is arranged at the middle of the second connecting rod, the other end of the first connecting rod is connected to the lifting ring, and the fixing assembly is arranged at both ends of the second connecting rod.

6. The fixing device for spraying double-locking cover according to claim 5 is characterized in that: The length of the first connecting rod is greater than the distance from the inner plate mounting hole of the machine cover to the edge of the machine cover.

7. The fixing device for spraying double-locking cover according to claim 5 is characterized in that: The lifting assembly further includes reinforcing rods arranged on both sides of the first connecting rod.

8. The fixing device for spraying double-locking cover according to claim 3 is characterized in that: The size of the mounting seat is smaller than the size of the lock mounting seat of the cover.

9. The fixing device for spraying double-locking engine cover according to claim 1, characterized in that: The connecting assembly includes a third connecting rod and connecting legs arranged at two ends of the third connecting rod, and the connecting legs are connected to the anti-collision beam of the vehicle.

10. The fixing device for spraying double-locking engine cover according to claim 9, characterized in that: The bracket assembly includes a fourth connecting rod and a lap joint, one end of the fourth connecting rod is arranged at the middle of the third connecting rod, the other end of the fourth connecting rod is connected to the lap joint, and the lap joint faces the machine cover fixing workpiece.

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