A detection device and method for simulating the engagement position of a rear door lock and a lock catch

Abstract

The present application relates to a detection device and method for simulating the engagement position of a tailgate lock and a latch, comprising: a tailgate lock simulation assembly comprising a tailgate lock mounting base for mounting on the tailgate, a tailgate lock plate simulation block fixedly mounted on the tailgate lock mounting base; a tailgate latch simulation assembly comprising a tailgate latch mounting base for mounting on the vehicle body in white, a tailgate latch simulation block slidably connected to the tailgate latch mounting base; and a measurement of the movement distance of the tailgate latch simulation block on the tailgate latch mounting base when the tailgate lock plate simulation block engages with the tailgate latch simulation block. The movement distance represents the positional deviation between the tailgate lock plate simulation block and the tailgate latch simulation block. The detection device can quickly and accurately simulate the engagement of the tailgate lock and latch in the previous process, and quickly and quantitatively measure the relative position of the engagement, thereby identifying and determining potential quality defects in the tailgate assembly in advance and quickly addressing them, thereby effectively improving the efficiency of current production quality management.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle door and tailgate assembly, and in particular to a detection device and method for simulating the engagement position of a tailgate lock and a lock catch. Background Art

[0002] The tailgate is a key component at the rear of a vehicle, and its position directly determines the overall perceived quality of the rear end. As a component that is frequently opened, the quality of the tailgate's lock and catch directly impacts its opening performance and handling. Therefore, after the tailgate is hinged on the roof of the vehicle, the correct placement of the tailgate's catch is crucial. Poor engagement between the lock and catch can lead to quality issues such as difficulty closing, sticking, and unusual noises.

[0003] In the prior art, the industry typically tightens the lock directly onto the lock fastening surface on the rear panel with the tailgate open. This involves no tooling or self-positioning via a pin-and-hole mechanism. Instead, a certain amount of clearance is reserved between the lock fastening bolt and the lock fastening hole to allow for later adjustment.

[0004] The assembly plan involves first tightening the latch by tightening the screws. Then, close the tailgate to assess whether the clearance and flushness around the tailgate meet the requirements. Then, open the tailgate to assess whether the operation is affected. If there are any issues with clearance and flushness or operation, loosen the latch's tightening bolts while the tailgate is open, adjust the latch position based on experience, and then close the tailgate again to assess. Repeat this adjustment several times until the clearance and flushness around the tailgate and operation meet the requirements. This latch design and assembly plan wastes manpower, increases work hours, and poses a risk to quality assurance.

[0005] Currently, there's no direct detection device for the relative position of the tailgate latch assembly point and the body-in-white lock assembly point. Instead, the relative position of the tailgate latch and latch is indirectly analyzed through measurement data from related dimensional components. This method is unintuitive, inefficient, and lacks high accuracy and precision. It's unable to quickly identify tailgate assembly quality defects, leading to difficulties in current production quality management and the risk of subsequent defective product release. Summary of the Invention

[0006] The embodiments of the present application provide a detection device and a detection method for simulating the engagement position of a tailgate lock and a lock catch, so as to solve the problem in the related art that it is impossible to quickly detect tailgate assembly quality defects, resulting in difficulties in current production quality management and the risk of subsequent defective product outflow.

[0007] In a first aspect, an embodiment of the present application provides a detection device for simulating an engagement position between a rear door lock and a lock catch, comprising:

[0008] A rear door lock simulation component, the rear door lock simulation component comprising a rear door lock mounting base for mounting on the rear door, the rear door lock plate simulation block being fixedly mounted on the rear door lock mounting base;

[0009] A rear door lock simulation assembly, the rear door lock simulation assembly comprising a rear door lock mounting base for mounting on the vehicle body in white, the rear door lock simulation block being slidably connected to the rear door lock mounting base;

[0010] When the back door lock plate simulation block is engaged with the back door lock buckle simulation block, the movement distance of the back door lock buckle simulation block on the back lock buckle mounting seat is measured, and the movement distance is the position deviation value between the back door lock buckle simulation block and the back door lock buckle simulation block.

[0011] In some embodiments: the back door lock plate simulation block is a bent plate structure, and one end of the back door lock plate simulation block is provided with a card slot that is engaged with the back door lock buckle simulation block;

[0012] Both ends of the back door lock mounting base are provided with back door tightening bolts for fixing the back door lock mounting base on the back door.

[0013] In some embodiments: the other end of the rear door lock plate simulation block is detachably connected to the rear door lock mounting seat, and the slot is provided with a chamfered or rounded corner.

[0014] In some embodiments: a back door lock simulation mounting base is slidably connected to the back lock mounting base along the Y-axis direction;

[0015] The tailgate latch simulation block is slidably connected to the tailgate latch simulation mounting seat along the X-axis direction.

[0016] In some embodiments: the back lock mount includes a positioning plate and an inclined plate slidably connected to the back door lock simulation mount, and the inclined plate is located at the front end of the positioning plate and tilted downward toward the bottom of the positioning plate.

[0017] In some embodiments: a rear door lock positioning block is provided at the bottom of the positioning plate, and a rear door lock positioning tightening block is provided at the bottom of the inclined plate.

[0018] In some embodiments: the back door lock buckle simulation mounting seat includes a slide seat and a sliding sleeve located on the slide seat, and the back door lock buckle mounting seat is provided with a linear guide rail slidably connected to the slide seat;

[0019] The tailgate lock simulation block comprises a slider slidably connected in a sliding sleeve, and a lock fixedly connected to the slider.

[0020] In some embodiments: the back lock mounting base is engraved with a transverse scale for measuring the range of movement of the slide along the Y-axis direction;

[0021] The slider is engraved with a longitudinal scale for measuring the moving distance of the lock along the X-axis direction.

[0022] In some embodiments: both ends of the linear guide rail are provided with limit bolts for fixing the linear guide rail on the back lock mounting seat, and the slide is located between the two limit bolts to limit the movement range of the slide rail along the Y-axis direction.

[0023] In some embodiments: a locking simulation block tightening bolt for locking the slider in the sliding sleeve is threadedly connected to the sliding sleeve, and one end of the locking simulation block tightening bolt abuts against the slider.

[0024] In some embodiments: a locking simulation block adjustment seat is detachably connected to the sliding seat, and a locking simulation block adjustment bolt is connected to the locking simulation block adjustment seat.

[0025] In some embodiments: two symmetrically arranged support bases are fixedly provided on the top of the back lock mounting base, and a buffer rod for buffering the back door is slidably connected to the support base.

[0026] In some embodiments: a guide hole for slidingly connecting the buffer rod is provided on the support seat, a buffer head for contacting the tailgate is provided at the end of the buffer rod, a buffer spring is sleeved on the buffer rod, and the buffer spring is located between the buffer head and the support seat.

[0027] In some embodiments: both ends of the rear door lock mount are respectively provided with main positioning pins for plugging into the white body, and rear door lock mount tightening bolts for fixing the rear door lock mount to the white body.

[0028] A second aspect of the present application provides a method for detecting a simulated engagement position of a rear door lock and a latch, the method using the device for detecting a simulated engagement position of a rear door lock and a latch as described in any of the above embodiments, the method comprising:

[0029] S1: Use the back door to tighten the bolts to assemble and position the back door lock simulation component on the back door;

[0030] S2: Use the tailgate latch to install and tighten the bolts to assemble and position the tailgate latch simulation component on the body-in-white;

[0031] S3: The tailgate is closed and fitted into the body-in-white, and the tailgate lock plate simulation block is engaged with the tailgate lock catch simulation block;

[0032] S4: Measure the movement distance of the back door lock simulation block on the back door lock mounting seat. The movement distance is the position deviation value between the back door lock plate simulation block and the back door lock simulation block.

[0033] The beneficial effects of the technical solution provided by this application include:

[0034] An embodiment of the present application provides a detection device and a detection method for simulating the engagement position of a rear door lock and a lock buckle. Since the detection device for simulating the engagement position of a rear door lock and a lock buckle of the present application is provided with a rear door lock simulation component, the rear door lock simulation component includes a rear door lock mounting seat for installation on the rear door, and a rear door lock plate simulation block is fixedly provided on the rear door lock mounting seat; a rear door lock buckle simulation component, the rear door lock buckle simulation component includes a rear door lock mounting seat for installation on the white body, and a rear door lock buckle simulation block is slidably connected to the rear door lock buckle mounting seat; when the rear door lock plate simulation block is engaged with the rear door lock buckle simulation block, the moving distance of the rear door lock buckle simulation block on the back lock buckle mounting seat is measured, and the moving distance is the position deviation value of the rear door lock plate simulation block and the rear door lock buckle simulation block.

[0035] Therefore, the detection device for simulating the engagement position of the rear door lock and the latch of the present application utilizes a rear door lock simulation assembly to simulate the rear door lock, and secures the rear door lock plate simulation block to the rear door via the rear door lock mounting base. A rear door latch simulation assembly is utilized to simulate the rear door latch, and the rear door latch simulation block is mounted on the vehicle body in white via the rear latch mounting base. When the rear door lock plate simulation block engages with the rear door latch simulation block, the position deviation between the rear door lock plate simulation block and the rear door latch simulation block is determined by measuring the distance traveled by the rear door latch simulation block on the rear latch mounting base. This detection device can quickly and accurately simulate the engagement of the rear door lock and latch in the preceding process, and rapidly and quantitatively measure the relative position of the engagement, enabling early identification and determination of potential quality defects in the rear door assembly, and rapid resolution, thereby effectively improving the efficiency of current production quality management. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0037] Figure 1 This is a schematic structural diagram of a detection device according to an embodiment of the present application;

[0038] Figure 2 This is a schematic diagram of the assembly structure of the tester, the tailgate, and the body-in-white according to an embodiment of the present application;

[0039] Figure 3 This is a schematic structural diagram of a rear door lock simulation assembly according to an embodiment of the present application;

[0040] Figure 4This is a schematic diagram of the assembly structure of the tailgate lock simulation component and the tailgate according to an embodiment of the present application;

[0041] Figure 5 This is a schematic structural diagram of the back lock simulation component from a first perspective according to an embodiment of the present application;

[0042] Figure 6 This is a schematic structural diagram of the back lock simulation component from a second perspective according to an embodiment of the present application;

[0043] Figure 7 This is a schematic diagram of the assembly structure of the rear lock simulation component and the body in white according to an embodiment of the present application.

[0044] Reference numerals:

[0045] 1. Tailgate lock simulation assembly; 2. Tailgate latch simulation assembly; 3. Tailgate; 4. Body-in-white;

[0046] 11. Tailgate lock mounting base; 12. Tailgate lock plate simulation block; 13. Tailgate tightening bolts;

[0047] 201. Main locating pin; 202. Auxiliary locating pin; 203. Support seat; 204. Buffer spring; 205. Buffer rod; 206. Back door lock mounting seat; 207. Back door lock simulation block; 208. Back door lock simulation mounting seat; 209. Lock simulation block tightening bolt; 210. Lock simulation block adjustment seat; 211. Lock simulation block adjustment bolt; 212. Longitudinal scale; 213. Back door lock installation tightening bolt; 214. Linear guide; 215. Limit bolt; 216. Horizontal scale; 217. Back door lock positioning block; 218. Back door lock positioning tightening block. DETAILED DESCRIPTION

[0048] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0049] The embodiments of the present application provide a detection device and a detection method for simulating the engagement position of a tailgate lock and a lock catch, which can solve the problem in the related art that it is impossible to quickly detect tailgate assembly quality defects, resulting in difficulties in current production quality management and the risk of subsequent defective product outflow.

[0050] See also Figures 1 to 7 As shown, a first aspect of an embodiment of the present application provides a detection device for simulating the engagement position of a rear door lock and a lock buckle, comprising:

[0051] The back door lock simulation assembly 1 includes a back door lock mounting base 11 for mounting on the back door 3. A back door lock plate simulation block 12 is fixed to the back door lock mounting base 11. The back door lock simulation assembly 1 is used to simulate a back door lock. The back door lock plate simulation block 12 is fixed to the back door 3 via the back door lock mounting base 11. The inner panel of the back door 3 has a mounting hole for the back door lock mounting base 11 and a through hole through which the back door lock plate simulation block 12 extends.

[0052] The rear latch simulation assembly 2 includes a rear latch mounting base 206 for mounting on the vehicle body in white (BIW) 4. A rear door latch simulation block 207 is slidably connected to the rear latch mounting base 206. The rear latch simulation assembly 2 simulates the rear door latch. The rear door latch simulation block 207 is fixedly mounted on the rear side panel of the BIW 4 via the rear latch mounting base 206.

[0053] When the tailgate 3 is closed and the tailgate lock plate simulation block 12 is engaged with the tailgate lock catch simulation block 207 (i.e., simulating the mutually locked state of the tailgate lock and the tailgate lock catch), the movement distance (longitudinal and lateral movement) of the tailgate lock catch simulation block 207 on the tailgate lock catch mounting seat 206 is measured. This movement distance is the position deviation value between the tailgate lock plate simulation block 12 and the tailgate lock catch simulation block 207, and this position deviation value is used for subsequent quality analysis and judgment.

[0054] The device for detecting the engagement position of a simulated rear door lock and a latch in the embodiment of the present application utilizes a rear door lock simulation assembly 1 to simulate a rear door lock, and secures a rear door lock plate simulation block 12 to the rear door 3 via a rear door lock mounting base 11. The inner panel of the rear door 3 is provided with a mounting hole for the rear door lock mounting base 11 and a through hole through which the rear door lock plate simulation block 12 extends.

[0055] The back door latch simulation assembly 2 is used to simulate the back door latch, and the back door latch simulation block 207 is mounted on the body-in-white 4 via the back door latch mounting base 206. When the back door latch plate simulation block 12 engages with the back door latch simulation block 207, the distance the back door latch simulation block 207 moves on the back door latch mounting base 206 is measured to obtain the positional deviation between the back door latch simulation block 207 and the back door latch plate simulation block 12.

[0056] The detection device can quickly and accurately simulate the engagement of the tailgate lock and the tailgate latch in the previous process, and quickly quantitatively measure the relative position of the engagement, so as to identify and determine potential quality defects in the assembly of the tailgate 3 and the body-in-white 4 in advance, and quickly solve them, thereby effectively improving the efficiency of current production quality management.

[0057] In some alternative embodiments: See Figure 3 and Figure 4 As shown, an embodiment of the present application provides a device for simulating the engagement position of a rear door lock and a latch. The rear door lock plate simulation block 12 of the device is a curved plate structure. One end of the rear door lock plate simulation block 12 is provided with a slot that engages with the rear door latch simulation block 207. The other end of the rear door lock plate simulation block 12 is detachably connected to the rear door lock mounting base 11, and the slot has chamfered or rounded corners.

[0058] Tailgate tightening bolts 13 are located at both ends of the tailgate lock mounting base 11, securing the tailgate lock mounting base 11 to the tailgate 3. The tailgate lock mounting base 11 is located on the exterior side of the tailgate 3, while the tailgate tightening bolts 13 are located on the interior side of the tailgate 3. Tightening the tailgate tightening bolts 13 secures the tailgate lock mounting base 11 to the tailgate 3. The tailgate tightening bolts 13 have a threaded end and a tightening end. The threaded end is threadedly engaged with the tailgate lock mounting base 11, and the outer surface of the tightening end is provided with a roller pattern to facilitate manual tightening and removal of the tailgate tightening bolts 13.

[0059] In the embodiment of the present application, one end of the rear door lock plate simulation block 12 is provided with a slot that engages with the rear door latch simulation block 207. The slot has chamfered or rounded corners. When the rear door lock plate simulation block 12 and the rear door latch simulation block 207 are engaged, the front end of the rear door latch simulation block 207 is positioned within the slot. The depth and width of the slot are slightly larger than the diameter of the rear door latch simulation block 207. When there is a significant positional deviation between the rear door latch simulation block 207 and the rear door lock plate simulation block 12, the rear door lock plate simulation block 12 utilizes the slot to drive the rear door latch simulation block 207 to slide on the rear latch mounting base 206.

[0060] In some alternative embodiments: See Figures 5 to 7 As shown, an embodiment of the present application provides a device for simulating the engagement position of a rear door lock and a latch. The device comprises a rear door latch mounting base 206 slidably connected to a rear door latch simulation mounting base 208 along the Y-axis direction. A rear door latch simulation block 207 is slidably connected to the rear door latch simulation mounting base 208 along the X-axis (longitudinal direction). The rear door latch simulation block 207 is located on the rear door latch simulation mounting base 208 and can slide relative to the rear door latch mounting base 206 in the X / Y-axis directions.

[0061] To facilitate the sliding connection of the back door latch simulation block 207 to the back door latch mounting base 206, a back door latch simulation mounting base 208 is slidably connected to the back door latch mounting base 206 along the Y-axis. This back door latch simulation mounting base 208 enables the back door latch simulation block 207 to slide along the Y-axis. The back door latch simulation block 207 is slidably connected to the back door latch simulation mounting base 208 along the X-axis, allowing the back door latch simulation block 207 to slide along the X-axis on the back door latch mounting base 206. This allows the back door latch simulation block 207 to slide freely along the X-axis and Y-axis directions on the back door latch mounting base 206.

[0062] In some alternative embodiments: See Figures 5 to 7 As shown, an embodiment of the present application provides a detection device for simulating the engagement position of a rear door lock and a latch, wherein the rear door latch mounting seat 206 of the detection device for simulating the engagement position of a rear door lock and a latch includes a positioning plate and an inclined plate that is slidably connected to the rear door latch simulation mounting seat 208, wherein the inclined plate is located at the front end of the positioning plate and is inclined downward toward the bottom of the positioning plate.

[0063] A tailgate latch positioning block 217 is provided at the bottom of the positioning plate, and a tailgate latch positioning and tightening block 218 is provided at the bottom of the tilting plate. Both the tailgate latch positioning block 217 and the tailgate latch positioning and tightening block 218 are used to engage with the body-in-white 4 to accurately position the tailgate latch mounting base 206 on the rear panel of the body-in-white 4.

[0064] In some alternative embodiments: See Figures 5 to 7 As shown, an embodiment of the present application provides a detection device for simulating the engagement position of a back door lock and a lock buckle, and the back door lock buckle simulation mounting seat 208 of the detection device for simulating the engagement position of a back door lock and a lock buckle includes a slide and a sliding sleeve located on the slide, and a linear guide rail 214 is provided on the back lock buckle mounting seat 206, which is slidably connected to the slide; the linear guide rail 214 extends along the transverse direction (i.e., the Y-axis direction), and the back door lock buckle simulation mounting seat 208 slides along the Y-axis direction on the back lock buckle mounting seat 206 through the linear guide rail 214.

[0065] The tailgate latch simulation block 207 comprises a slider that slides within a sleeve of a tailgate latch simulation mounting base 208, and a latch fixedly connected to the slider. The sleeve of the tailgate latch simulation mounting base 208 is preferably, but not limited to, a rectangular tubular structure. The slider of the tailgate latch simulation block 207 is preferably, but not limited to, a rectangular block structure that fits within the inner hole of the sleeve. The slider slides within the sleeve to prevent the latch from rotating.

[0066] In some alternative embodiments: See Figures 5 to 7As shown, an embodiment of the present application provides a detection device for simulating the engagement position of a back door lock and a lock buckle, and the back lock buckle mounting seat 206 of the detection device for simulating the engagement position of a back door lock and a lock buckle is engraved with a horizontal scale 216 for measuring the movement range of the slide of the back door lock buckle simulation mounting seat 208 along the Y-axis direction; the slider of the back door lock buckle simulation block 207 is engraved with a vertical scale 212 for measuring the movement distance of the lock buckle of the back door lock buckle simulation block 207 along the X-axis direction.

[0067] When the tailgate lock plate simulation block 12 engages with the tailgate latch simulation block 207, the distance moved by the tailgate latch simulation block 207 on the tailgate latch mounting base 206 can be directly read using the transverse scale 216 and the longitudinal scale 212. This facilitates direct reading of the positional deviation between the tailgate latch simulation block 207 and the tailgate lock plate simulation block 12. The transverse scale 216 has a zero reference position, with deviation values ​​increasing along the X-axis on either side of the zero reference position. The transverse scale 216 also has a zero reference position, with deviation values ​​increasing along the Y-axis on either side of the zero reference position.

[0068] Before the detection of the detection device for simulating the engagement position of the tailgate lock and the lock in the embodiment of the present application, one end of the sliding sleeve of the tailgate lock simulation mounting seat 208 is aligned with the zero point reference position of the longitudinal scale 212, and one end of the sliding seat of the tailgate lock simulation mounting seat 208 is aligned with the zero point reference position of the transverse scale 216.

[0069] When the tailgate 3 is closed and the tailgate lock plate simulation block 12 engages with the tailgate latch simulation block 207 (i.e., simulating a locked state between the tailgate lock and latch), the tailgate lock plate simulation block 12 drives the tailgate latch simulation block 207 to move along the X-axis and the slide of the tailgate latch simulation mounting base 208 to move along the Y-axis. Ultimately, the position deviation value in the X direction is determined by the scale mark corresponding to one end of the slide sleeve of the tailgate latch simulation mounting base 208 and the longitudinal scale 212. The position deviation value in the Y direction is determined by the scale mark corresponding to one end of the slide sleeve of the tailgate latch simulation mounting base 208 and the transverse scale 216.

[0070] In some alternative embodiments: See Figures 5 to 7 As shown, an embodiment of the present application provides a detection device for simulating the engagement position of a rear door lock and a lock buckle, and both ends of the linear guide rail 214 of the detection device for simulating the engagement position of a rear door lock and a lock buckle are provided with limiting bolts 215 for fixing the linear guide rail 214 on the rear door lock buckle mounting seat 206, and the slide of the rear door lock buckle simulation mounting seat 208 is located between the two limiting bolts 215 to limit the movement range of the slide along the Y-axis direction to prevent the rear door lock buckle simulation mounting seat 208 from falling off the linear guide rail 214.

[0071] A locking block tightening bolt 209, which locks the slider within the sleeve, is threadedly connected to the sliding sleeve of the tailgate lock simulated mounting base 208. One end of the locking block tightening bolt 209 is threadedly connected to the sleeve of the tailgate lock simulated mounting base 208 and abuts the slider. The locking block tightening bolt 209 has a threaded end and a tightening end. The threaded end is threadedly connected to the sleeve of the tailgate lock simulated mounting base 208 and abuts the slider. The outer surface of the tightening end is provided with a roller pattern to facilitate manual tightening and removal of the locking block tightening bolt 209.

[0072] In some alternative embodiments: See Figures 5 to 7 As shown, an embodiment of the present application provides a detection device for simulating the engagement position of a back door lock and a latch. A latch simulation block adjustment seat 210 is detachably connected to the slide that simulates the engagement position of the back door lock and the latch. A latch simulation block adjustment bolt 211 is connected to the latch simulation block adjustment seat 210. The latch simulation block adjustment bolt 211 is threadedly fastened to the latch simulation block adjustment seat 210. Manually pushing the latch simulation block adjustment bolt 211 drives the back door latch simulation mounting seat 208 to slide left and right on the linear guide rail 214, thereby restoring the back door latch simulation mounting seat 208 to its original position.

[0073] In some alternative embodiments: See Figures 5 to 7 As shown, an embodiment of the present application provides a detection device for simulating the engagement position of a back door lock and a latch. Two symmetrically arranged support bases 203 are fixed to the top of a back door latch mounting base 206 for simulating the engagement position of the back door lock and the latch. A buffer rod 205 for cushioning the back door 3 is slidably connected to the support base 203. The buffer rod 205 is used to reduce the impact force of the back door lock simulation component 1 on the back door latch simulation component 2 when the back door 3 is closed, thereby slowly engaging the back door lock plate simulation block 12 with the back door latch simulation block 207. This further ensures the position accuracy of the back door latch simulation block 207 along the sliding direction of the X / Y axis and prevents large measurement errors caused by vibration due to excessive impact force.

[0074] Specifically, the support base 203 is provided with a guide hole for slidingly connecting a buffer rod 205. The end of the buffer rod 205 is provided with a buffer head, which contacts the tailgate 3. The buffer head is preferably, but not limited to, made of a rubber elastic material. A buffer spring 204 is sleeved around the buffer rod 205 and positioned between the buffer head and the support base 203. When the tailgate 3 is closed, the tailgate 3 contacts the buffer head at the end of the buffer rod 205 before the tailgate lock plate simulation block 12. The buffer head and the buffer spring 204 elastically deform to mitigate the impact force of the tailgate 3 on the back lock simulation assembly 2.

[0075] In some alternative embodiments: See Figures 5 to 7As shown, an embodiment of the present application provides a detection device for simulating the engagement position of a tailgate lock and a lock catch. The tailgate lock catch mounting base for simulating the engagement position of the tailgate lock and the lock catch is provided with a main locating pin 201 and a secondary locating pin 202 at both ends thereof, which are plugged into the body-in-white 4, and a tailgate lock catch mounting tightening bolt 213 for fixing the tailgate lock catch mounting base 206 to the body-in-white 4. The main locating pin 201 and the secondary locating pin 202 are used to pre-position the tailgate lock catch mounting base 206 with the body-in-white 4, and the tailgate lock catch mounting tightening bolt 213 is used to fasten the tailgate lock catch mounting base 206 to the body-in-white 4.

[0076] See also Figures 1 to 7 As shown, a second aspect of an embodiment of the present application provides a method for detecting a simulated engagement position of a rear door lock and a lock buckle, the method using the device for detecting a simulated engagement position of a rear door lock and a lock buckle described in any of the above embodiments, the method comprising:

[0077] S1: Using the back door tightening bolt 13, the back door lock mounting base 11 of the back door lock simulation assembly 1 is assembled and positioned on the back door 3.

[0078] S2: Use the back door lock installation and tightening bolts 213 to assemble and position the back lock mounting seat 206 of the back lock simulation component 2 on the white body 4.

[0079] S3 : The tailgate 3 is closed and fitted with the body-in-white 4 , and at the same time, the tailgate lock plate simulation block 12 is engaged with the tailgate lock buckle simulation block 207 .

[0080] S4: measuring the movement distance of the back door latch simulation block 207 on the back door latch mounting seat 206 , where the movement distance is the position deviation value between the back door lock plate simulation block 12 and the back door latch simulation block 207 .

[0081] How it works

[0082] An embodiment of the present application provides a detection device and a detection method for simulating the engagement position of a tailgate lock and a latch. Since the detection device for simulating the engagement position of a tailgate lock and a latch of the present application is provided with a tailgate lock simulation component 1, the tailgate lock simulation component 1 includes a tailgate lock mounting seat 11 for being installed on the tailgate 3, and a tailgate lock plate simulation block 12 is fixedly provided on the tailgate lock mounting seat 11; a tailgate lock latch simulation component 2, the tailgate lock latch simulation component 2 includes a tailgate lock mounting seat 206 for being installed on the white body 4, and a tailgate lock latch simulation block 207 is slidably connected to the tailgate lock latch mounting seat 206; when the tailgate lock plate simulation block 12 is engaged with the tailgate lock latch simulation block 207, the moving distance of the tailgate lock latch simulation block 207 on the tailgate lock latch mounting seat 206 is measured, and the moving distance is the position deviation value of the tailgate lock plate simulation block 12 and the tailgate lock latch simulation block 207.

[0083] Therefore, the present invention's device for detecting the engagement position of a tailgate lock and a latch utilizes a tailgate lock simulation assembly 1 to simulate the tailgate lock. A tailgate lock plate simulation block 12 is secured to the tailgate 3 via a tailgate lock mounting base 11. A tailgate latch simulation assembly 2 simulates the tailgate latch, and a tailgate latch simulation block 207 is mounted on the vehicle body 4 via a back latch mounting base 206. When the tailgate lock plate simulation block 12 engages with the tailgate latch simulation block 207, the distance traveled by the tailgate latch simulation block 207 on the back latch mounting base 206 is measured to determine the positional deviation between the tailgate lock plate simulation block 12 and the backgate latch simulation block 207. This detection device can quickly and accurately simulate the engagement of the tailgate lock and latch in the preceding process, rapidly and quantitatively measure the relative position of the engagement, and proactively identify potential tailgate assembly quality defects, allowing for rapid resolution and effective improvement in production quality management efficiency.

[0084] In the description of this application, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0085] It should be noted that, in this application, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element.

[0086] The foregoing is merely a list of specific embodiments of the present application, intended to enable those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments shown herein, but is intended to conform to the broadest scope consistent with the principles and novel features of the present application.

Claims

1. A detection device for simulating the engagement position of a rear door lock and a lock catch, characterized in that: include: A rear door lock simulation component (1), the rear door lock simulation component (1) comprising a rear door lock mounting seat (11) for mounting on a rear door (3), a rear door lock plate simulation block (12) being fixedly provided on the rear door lock mounting seat (11); A rear door lock simulation assembly (2), the rear door lock simulation assembly (2) comprising a rear door lock mounting seat (206) for mounting on a vehicle body (4), a rear door lock simulation block (207) being slidably connected to the rear door lock mounting seat (206); When the back door lock plate simulation block (12) is engaged with the back door lock buckle simulation block (207), a movement distance of the back door lock buckle simulation block (207) on the back lock buckle mounting seat (206) is measured, and the movement distance is a position deviation value between the back door lock plate simulation block (12) and the back door lock buckle simulation block (207); The back door lock buckle mounting seat (206) is slidably connected to a back door lock buckle simulation mounting seat (208) along the Y-axis direction; The back door latch simulation block (207) is slidably connected to the back door latch simulation mounting seat (208) along the X-axis direction.

2. The detection device for simulating the engagement position of a tailgate lock and a lock catch according to claim 1, characterized in that: The rear door lock plate simulation block (12) is a bent plate structure, and one end of the rear door lock plate simulation block (12) is provided with a card slot that is engaged and connected with the rear door lock buckle simulation block (207); Both ends of the rear door lock mounting seat (11) are provided with rear door tightening bolts (13) for fixing the rear door lock mounting seat (11) to the rear door (3).

3. The detection device for simulating the engagement position of a tailgate lock and a lock catch according to claim 2, characterized in that: The other end of the rear door lock plate simulation block (12) is detachably connected to the rear door lock mounting seat (11), and the slot is provided with a chamfer or a rounded corner.

4. The detection device for simulating the engagement position of a tailgate lock and a lock catch according to claim 1, characterized in that: The back door latch mounting seat (206) comprises a positioning plate and an inclined plate slidably connected to the back door latch simulation mounting seat (208), wherein the inclined plate is located at the front end of the positioning plate and is inclined downward toward the bottom of the positioning plate.

5. The detection device for simulating the engagement position of a tailgate lock and a lock catch according to claim 4, characterized in that: A back door lock positioning block (217) is provided at the bottom of the positioning plate, and a back door lock positioning tightening block (218) is provided at the bottom of the tilting plate.

6. The detection device for simulating the engagement position of a tailgate lock and a lock catch according to claim 1, characterized in that: The back door lock buckle simulation mounting seat (208) comprises a slide seat and a sliding sleeve located on the slide seat, and the back door lock buckle mounting seat (206) is provided with a linear guide rail (214) slidably connected to the slide seat; The back door lock simulation block (207) comprises a slider slidably connected in a sliding sleeve, and a lock fixedly connected to the slider.

7. The detection device for simulating the engagement position of a tailgate lock and a lock catch according to claim 6, characterized in that: The back lock mounting seat (206) is engraved with a transverse scale (216) for measuring the range of movement of the slide along the Y-axis direction; The slider is engraved with a longitudinal scale (212) for measuring the distance the lock buckle moves along the X-axis direction.

8. The detection device for simulating the engagement position of a tailgate lock and a lock catch according to claim 6, characterized in that: Both ends of the linear guide rail (214) are provided with limiting bolts (215) for fixing the linear guide rail (214) on the back lock mounting seat (206), and the slide is located between the two limiting bolts (215) to limit the movement range of the slide along the Y-axis direction.

9. The detection device for simulating the engagement position of a tailgate lock and a lock catch according to claim 6, characterized in that: A locking simulation block tightening bolt (209) for locking the slider in the sliding sleeve is threadedly connected to the sliding sleeve, and one end of the locking simulation block tightening bolt (209) abuts against the slider.

10. The detection device for simulating the engagement position of a tailgate lock and a lock catch according to claim 6, characterized in that: A locking simulation block adjustment seat (210) is detachably connected to the sliding seat, and a locking simulation block adjustment bolt (211) is connected to the locking simulation block adjustment seat (210).

11. The detection device for simulating the engagement position of a tailgate lock and a lock catch according to claim 1, characterized in that: Two symmetrically arranged support seats (203) are fixedly provided on the top of the back lock mounting seat (206), and a buffer rod (205) for buffering the back door (3) is slidably connected to the support seat (203).

12. The detection device for simulating the engagement position of a tailgate lock and a lock catch according to claim 11, characterized in that: The support seat (203) is provided with a guide hole for slidingly connecting the buffer rod (205); the end of the buffer rod (205) is provided with a buffer head for contacting the back door (3); the buffer rod (205) is sleeved with a buffer spring (204); the buffer spring (204) is located between the buffer head and the support seat (203).

13. The detection device for simulating the engagement position of a tailgate lock and a lock catch according to claim 1, characterized in that: Both ends of the rear door lock mounting seat (206) are respectively provided with main positioning pins (101) for plugging into the body-in-white, and rear door lock mounting tightening bolts (213) for fixing the rear door lock mounting seat (206) to the body-in-white (4).

14. A method for simulating the detection position of a back door lock and a lock catch, characterized in that: The method uses the detection device for simulating the engagement position of a tailgate lock and a lock catch according to any one of claims 1 to 13, and the method comprises: S1: Using the back door to tighten the bolts (13) to assemble and position the back door lock simulation component (1) on the back door (3); S2: Using the back door lock assembly to tighten the bolts (213), the back door lock simulation component (2) is assembled and positioned on the body-in-white (4); S3: The back door (3) is closed and fitted with the body-in-white (4), and at the same time, the back door lock plate simulation block (12) is engaged with the back door lock buckle simulation block (207); S4: measuring the movement distance of the back door lock simulation block (207) on the back door lock mounting seat (206), the movement distance being the position deviation value between the back door lock plate simulation block (12) and the back door lock simulation block (207).

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