Quick bolt of automobile welding fixture

Abstract

The utility model discloses a quick bolt of an automobile welding fixture, which comprises a bolt seat, a bolt is arranged on the bolt seat, a baffle is detachably connected onto the bolt seat, the baffle is positioned on one side of the bolt, a limit structure is arranged on the bolt, and the quick bolt of the automobile welding fixture has the advantages that the structure is simple, the working efficiency is improved, and the quick bolt is not easy to lose.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile production, and specifically relates to a quick latch for an automobile welding fixture. Background Art

[0002] At present, the pins used in the welding fixtures in the pilot workshop are ordinary pins, which are connected to the fixture with ropes. During operation, the pins need to be manually inserted into the pin holes, which has low work efficiency. In addition, the ropes and the fixture blocks will wear and break due to long-term use, resulting in the loss of pins.

[0003] A utility model patent, publication number CN207807145U, published on September 4, 2018, discloses a latch-type fastening fixture comprising a rectangular fixture frame with two spiral rods extending through the top frame. The front ends of the two spiral rods are connected to two latch blocks, each located at either end of the latch. The outer ends of the latch are located within strip-shaped through-holes on the side frames of the fixture frame. Both spiral rods have rotating heads at their tops. This latch-type fastening fixture also fails to address the aforementioned technical issues. Utility Model Content

[0004] The purpose of the utility model is to provide a quick latch for an automobile welding fixture which has a simple structure, improves work efficiency and is not easy to lose, in view of the deficiencies in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The automobile welding fixture quick latch comprises a pin seat, the pin seat is provided with a latch, the pin seat is detachably connected to a baffle, the baffle is located on one side of the latch, and the latch is provided with a limiting structure.

[0007] The limiting structure includes a card slot, and a cut surface is provided on the latch. The cut surface is located on one side of the card slot, and the cut surface is a planar structure. One end of the cut surface extends to one side of the card slot.

[0008] The limiting structure further includes a limiting step, which is arranged at one end of the cut surface, and the clamping groove and the limiting step are respectively located at two ends of the cut surface.

[0009] The plug includes a plug end, and the plug end is a tapered structure.

[0010] The slots are distributed along the circumference of the latch, and the width of the slots is adapted to the width of the baffle.

[0011] The pin seat is an L-shaped structure, and a fixing hole is provided at the bottom of the pin seat.

[0012] The baffle is provided with connection holes, and the connection holes are arranged in pairs.

[0013] The baffle is located in the slot, and the plug-in end extends out of the pin seat.

[0014] The baffle contacts the limiting surface and abuts against the limiting step, and the plug-in end is located in the pin seat.

[0015] The technical effect of the utility model is as follows: the use of the automobile welding fixture quick latch of the utility model, by providing a slot and a cut surface on the latch and adding a baffle on the pin seat, limits the axial movement of the latch, achieves rapid latch withdrawal, eliminates the process of aligning the latch with the pin hole, greatly improves personnel work efficiency, and prevents the latch from detaching from the pin seat, preventing the latch from being lost. The latch, pin seat, and baffle have a simple structure, low processing cost, easy assembly, and high reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] This manual includes the following drawings, which show the following contents:

[0017] Figure 1 This is a schematic diagram of the installation structure of the latch of the utility model;

[0018] Figure 2 This is a structural diagram of the latch extending out of the pin seat of the utility model;

[0019] Figure 3 This is a structural diagram of the present invention when the latch is in a withdrawn state;

[0020] Figure 4 It is a structural diagram of the latch of the utility model;

[0021] Figure 5 yes Figure 4 A partial enlarged view of .

[0022] The markings in the figure are: 1. Pin seat; 2. Pin; 3. Baffle; 4. Slot; 5. Cut surface; 6. Limit step; 7. Fixing hole; 8. Connecting end; 9. Connecting hole; 10. Pin hole. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the specific implementation methods of the present invention by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and to facilitate their implementation.

[0024] like Figures 1 to 5As shown, the automotive welding fixture quick latch includes a pin holder 1, a pin 2 disposed on the pin holder 1, a baffle 3 detachably connected to the pin holder 1, the baffle 3 being located on one side of the pin 2, and a limiting structure disposed on the pin 2. The pin holder 1 is provided with a pin hole 10 matching the pin 2, the end of the pin 2 extending into the pin hole 10, the baffle 3 being located on one side of the pin hole 10, the engaging groove 4 and the limiting step 6 serving as the limiting structure for the pin 2. During the axial movement of the pin 2, the engaging groove 4 and the limiting step 6 cooperate with the contact restriction of the baffle 3 to limit the axial movement range of the pin 2 without affecting the positioning function of the pin 2, preventing the pin 2 from separating from the pin holder 1. This ensures that the pin 2 is always on the pin holder 1, eliminating the need to align the pin 2 with the pin hole 10, improving work efficiency, and preventing the pin 2 from being lost.

[0025] like Figure 4 and Figure 5 As shown, the limiting structure includes a slot 4. A cutout 5 is provided on the latch 2. Cutout 5 is located on one side of the slot 4. Cutout 5 is a planar structure, with one end extending to the side of the slot 4. Cutout 5 is a planar structure formed by a portion of the outer circumference of the latch 2. In other words, cutout 5 alters the outer circumference of the latch 2, while the slot 4 forms a groove-shaped structure on the outer circumference of the latch 2. The cutout 5 forms a plane for contact with the baffle 3 and also serves as a guide surface for the axial movement of the latch 2. The slot 4 limits the maximum extension distance of the latch 2, facilitating its positioning.

[0026] like Figure 4 and Figure 5 As shown, the retaining structure also includes a retaining step 6, which is located at one end of the cut surface 5. The slot 4 and the retaining step 6 are located at both ends of the cut surface 5. The provision of the retaining step 6 limits the maximum retraction distance of the latch 2, preventing the latch 2 from disengaging from the pin holder 1. When the side of the baffle 3 contacts the cut surface 5 of the planar structure, the latch 2 cannot rotate, thereby improving the stability of the latch 2 in the retracted state. The slot 4 is located at the end of the cut surface 5 away from the plug-in end 8, and the retaining step 6 is located at the end of the cut surface 5 closer to the plug-in end 8. The sum of the lengths of the slot 4 and the retaining step 6 is the travel distance of the latch 2.

[0027] like Figure 4 As shown, the plug 2 includes a plug end 8, which is a tapered structure. The tapered plug end 8 facilitates guiding the plug 2 to the positioning hole of the positioned component, reduces contact and collision of the plug end 8 during the positioning process, and improves the convenience of operation.

[0028] like Figure 4 and Figure 5 As shown, the slots 4 are distributed circumferentially on the latch 2, and their width matches the width of the baffle 3. The slots 4 are annular in shape. When the baffle 3 is located within the slots 4, the latch 2 can be rotated, so that both sides of the baffle 3 are blocked by the slots 4, further restricting the axial movement of the latch 2.

[0029] like Figure 1 As shown, the pin holder 1 is an L-shaped structure, and a fixing hole 7 is provided at the bottom of the pin holder 1. The plurality of fixing holes 7 are used to stably fix the pin holder 1 to the welding fixture or adjust the position on the welding fixture.

[0030] like Figure 1 As shown, baffle 3 is provided with connection holes 9, which are arranged in pairs. Baffle 3 is secured to pin holder 1 via bolts. The presence of two connection holes 9 enhances the stability of baffle 3. During installation, first insert pin 2 into pin hole 10, positioning cut surface 5 outside pin hole 10. Then, bolt baffle 3 is installed.

[0031] like Figure 2 As shown, the baffle 3 is located in the slot 4, and the plug end 8 extends out of the pin seat 1. The above structure is that the latch 2 is in the extended state. When the slot 4 is engaged with the baffle 3, the latch 2 reaches its maximum extension distance, eliminating the need for manual adjustment of the extension of the latch 2 and simplifying the operation steps.

[0032] like Figure 3 As shown, the baffle 3 contacts the stop surface and abuts the stop step 6, with the plug end 8 located within the pin holder 1. When the latch 2 in the above structure is retracted to its maximum distance, the stop step 6 is blocked by the baffle 3, preventing the latch 2 from withdrawing and, therefore, separating from the pin holder 1. Furthermore, the contact between the stop surface and the baffle 3 prevents the latch 2 from rotating, making it more difficult to separate from the pin holder 1 and preventing loss. In the withdrawn state, the plug end 8 of the latch 2 is located internally, reliably protected by the pin holder 1, helping to prevent damage and extend its service life.

[0033] This automotive welding fixture quick latch features a latching slot 4 and a cut surface 5 on the latch 2, along with a baffle 3 on the pin holder 1. These restrict the axial movement of the latch 2, enabling rapid retraction of the latch 2. This eliminates the need to align the latch 2 with the pin hole 10, significantly improving work efficiency. It also prevents the latch 2 from detaching from the pin holder 1 and preventing loss. The latch 2, pin holder 1, and baffle 3 feature a simple structure, low processing cost, easy assembly, and high reliability.

[0034] The above description of the present invention is provided as an example, in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described method. Any non-substantial improvements made using the method concepts and technical solutions of the present invention, or any application of the above-described concepts and technical solutions of the present invention to other situations without modification, are all within the scope of protection of the present invention.

Claims

1. A quick latch for an automobile welding fixture, characterized by: The invention comprises a pin seat (1), a latch pin (2) is provided on the pin seat (1), a baffle (3) is detachably connected to the pin seat (1), the baffle (3) is located on one side of the latch pin (2), and a limiting structure is provided on the latch pin (2).

2. The quick latch for automobile welding fixture according to claim 1, characterized in that: The limiting structure includes a card slot (4), and a cut surface (5) is provided on the latch (2). The cut surface (5) is located on one side of the card slot (4). The cut surface (5) is a planar structure, and one end of the cut surface (5) extends to one side of the card slot (4).

3. The quick latch for automobile welding fixture according to claim 2, characterized in that: The limiting structure further comprises a limiting step (6), wherein the limiting step (6) is provided at one end of the cut surface (5), and the clamping groove (4) and the limiting step (6) are respectively located at two ends of the cut surface (5).

4. The quick latch for automobile welding fixture according to claim 3, characterized in that: The plug pin (2) comprises a plug end (8), and the plug end (8) is a tapered structure.

5. The quick latch for automobile welding fixture according to claim 4, characterized in that: The card slots (4) are distributed along the circumference of the latch pin (2), and the width of the card slots (4) is adapted to the width of the baffle (3).

6. The quick latch for automobile welding fixture according to claim 5, characterized in that: The pin seat (1) is an L-shaped structure, and a fixing hole (7) is provided at the bottom of the pin seat (1).

7. The quick latch for automobile welding fixture according to claim 6, characterized in that: The baffle (3) is provided with connection holes (9), and the connection holes (9) are arranged in pairs.

8. The quick latch for automobile welding fixture according to any one of claims 4 to 7, characterized in that: The baffle (3) is located in the card slot (4), and the plug-in end (8) extends out of the pin seat (1).

9. The quick latch for automobile welding fixture according to any one of claims 4 to 7, characterized in that: The baffle (3) contacts the limiting surface and abuts against the limiting step (6), and the plug-in end (8) is located in the pin seat (1).

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