Carriage frame locking structure

Abstract

The utility model provides a carriage and frame locking structure which comprises a frame and a carriage arranged above the frame and used for bearing articles. The locking assembly is arranged above the vehicle frame and comprises two connecting bases installed on the upper surface of the vehicle frame and two positioning blocks installed on the front face of the compartment, and locking structures are arranged on the sides, close to each other, of the two connecting bases; according to the carriage frame locking structure, the carriage can be positioned when the carriage is reset through the cooperation of the positioning block and the clamping plate, the second spring can be compressed after the carriage frame locking structure makes contact with the shifting rod through the cooperation of the second spring and the pressing column, and the self-locking assembly is arranged in front of the carriage. According to the compartment locking device, after a positioning block is limited by a clamping plate, a shifting rod can rotate, then the shifting rod can push a positioning column to be inserted into a positioning opening, self-locking is conducted on the clamping plate, and therefore operation of workers is not needed, and the compartment locking efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle frames, in particular to a vehicle frame locking structure. Background Art

[0002] The frame is a framework structure that spans the front and rear axles of the car, commonly known as the beam. It is the base of the car and is generally composed of two longitudinal beams and several cross beams. It is supported on the wheels through the suspension device, front axle and rear axle. The frame must have sufficient strength and rigidity to withstand the load of the car and the impact from the wheels. A carriage needs to be installed above the frame to hold items.

[0003] However, at present, when the frame and the carriage are connected, a locking structure is needed to lock the carriage. Although the current locking structure can lock the carriage when in use, there are still some shortcomings in actual use. For example, after the staff opens the locking structure during use, it is difficult to automatically lock the frame when the carriage is reset. Therefore, a carriage-frame locking structure is proposed to solve the above problems. Utility Model Content

[0004] The utility model provides a vehicle body frame locking structure to solve the technical problems existing in the above-mentioned background technology.

[0005] The purpose and function of a carriage frame locking structure of the utility model are achieved by the following specific technical means: a carriage frame locking structure, comprising a frame, including: a carriage, arranged above the frame, for carrying articles; a locking assembly, arranged above the frame, comprising two connecting seats installed on the upper surface of the frame, and two positioning blocks installed on the front face of the carriage, and a locking structure is provided on the side where the two connecting seats are close to each other; a self-locking assembly, arranged in front of the carriage, comprising a pressure block with a hole installed on the front face of the carriage, and two support rods installed on the inner wall of the frame, and a self-locking structure is provided inside the pressure block with a hole.

[0006] Preferably, an opening is provided on the upper surface of the frame.

[0007] Preferably, two recesses are fixedly connected to the upper surface of the frame, the inner wall of each recess is slidably connected to a guide block, the inner wall of the frame is fixedly connected to a rotating shaft, the outer surface of the rotating shaft is rotatably connected to a connecting strip with holes, and the upper surface of the connecting strip with holes is fixedly connected to the bottom surface of the car body.

[0008] Preferably, the locking structure of the locking assembly includes two positioning blocks arranged inside the two connecting seats, the back side of each positioning block is fixedly connected to the front side of the carriage, the side surfaces of the two connecting seats close to each other are provided with a sliding groove, the side surfaces of the two connecting seats close to each other are fixedly connected to a square tube, the inner wall of each square tube is fixedly connected to two first springs, and the ends of the two groups of first springs away from each other are commonly fixedly connected to two clamping plates, the upper surface of each square tube and the upper surface of the clamping plate are provided with a positioning port, the front side of each square tube is provided with a through groove, the inner wall of each through groove is slidably connected to a control block, and the back sides of the two control blocks are respectively fixedly connected to the front sides of the two clamping plates.

[0009] Preferably, the self-locking structure of the self-locking assembly includes a second spring installed on the inner top wall of the perforated pressure block, the bottom end of each of the second springs is fixedly connected to a pressure column, both ends of each of the support rods are fixedly connected to the inner wall of the through opening, the outer surface of each of the support rods is rotatably connected to a shift rod, and a positioning column is provided above each of the shift rods, and the two positioning columns extend to the interior of the two groups of positioning openings respectively.

[0010] Preferably, the outer surface of each positioning column is sleeved with a limit frame, the upper surfaces of the two limit frames are fixedly connected to the bottom surfaces of the two square tubes respectively, and the bottom end of each positioning column is fixedly connected to a stopper.

[0011] Preferably, the outer surface of each of the shifting rods is fixedly connected to two positioning rings, and the two groups of positioning rings are respectively located in front of the two shifting rods and behind the shifting rods, and a blocking rod is provided below each.

[0012] Preferably, a pull rope is provided at the front of the carriage, and the left and right ends of the pull rope are respectively fixedly connected to the side surfaces of the two control blocks that are close to each other.

[0013] Beneficial effects:

[0014] 1. Through the cooperation of the positioning block and the card plate, the carriage can be positioned when the carriage is reset, and by utilizing the cooperation of the second spring and the pressure column, the second spring can be compressed after contacting the lever, and as the spring is compressed, the lever can be rotated after the card plate limits the positioning block, and then the lever can push the positioning column to insert into the inside of the positioning port, and the card plate is self-locked, thereby eliminating the need for staff operation and improving the efficiency of locking the carriage.

[0015] 2. By pushing the ends of the levers that are close to each other upward, the positioning column can slide downward, thereby releasing the positioning of the card plate. Through the cooperation of the through slot and the control block, the card plate can be pulled to move, compressing the first spring, so that the card plate is retracted into the square tube, releasing the positioning of the positioning block, and thus facilitating the opening of the carriage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the carriage of the present utility model.

[0018] Figure 3 This is a schematic structural diagram of the locking assembly of the present utility model.

[0019] Figure 4 It is a structural diagram of the self-locking component of the utility model.

[0020] Figure 1-4 , the corresponding relationship between component names and figure numbers is as follows:

[0021] 1. Frame; 101. Through-hole; 2. Carriage; 201. Recess; 202. Guide block; 203. Rotating shaft; 204. Connecting strip with hole; 3. Locking assembly; 301. Connecting seat; 302. Positioning block; 303. Slide groove; 304. Square tube; 305. First spring; 306. Clamping plate; 307. Pull rope; 308. Positioning opening; 309. Through-hole; 310. Control block; 4. Self-locking assembly; 401. Pressure block with hole; 402. Support rod; 403. Second spring; 404. Pressure column; 405. Push rod; 406. Limit frame; 407. Positioning column; 408. Stop block; 409. Positioning ring; 410. Stop rod. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] First embodiment

[0024] As attached Figure 1 To the attached Figure 4 As shown: A carriage frame locking structure includes a frame 1, including: a carriage 2, which is arranged above the frame 1 and is used to carry items; a locking component 3, which is arranged above the frame 1, including two connecting seats 301 installed on the upper surface of the frame 1, and two positioning blocks 302 installed on the front of the carriage 2, and the two connecting seats 301 are each provided with a locking structure on the side close to each other; a self-locking component 4, which is arranged in front of the carriage 2, including a perforated pressure block 401 installed on the front of the carriage 2, and two support rods 402 installed on the inner wall of the frame 1, and the interior of the perforated pressure block 401 is provided with a self-locking structure.

[0025] like Figure 1 As shown, a through opening 101 is provided on the upper surface of the vehicle frame 1 , through which the self-locking assembly 4 can work smoothly and ensure that the lever 405 can rotate.

[0026] like Figure 1 and Figure 2 As shown, two recesses 201 are fixedly connected to the upper surface of the frame 1, and the inner wall of each recess 201 is slidably connected to a guide block 202. The inner wall of the frame 1 is fixedly connected to a rotating shaft 203, and the outer surface of the rotating shaft 203 is rotatably connected to a connecting strip 204 with holes. The upper surface of the connecting strip 204 with holes is fixedly connected to the bottom surface of the car body 2. The car body 2 can be guided by the recesses 201 and the guide blocks 202 to avoid the phenomenon of difficulty in docking due to misalignment of the car body 2 when the self-locking component 4 is used.

[0027] like Figure 1 、 Figure 3 and Figure 4 As shown, the self-locking structure of the self-locking component 4 includes a second spring 403 installed on the inner top wall of the perforated pressure block 401, and the bottom end of each second spring 403 is fixedly connected to a pressure column 404, and the two ends of each support rod 402 are fixedly connected to the inner wall of the through opening 101, and the outer surface of each support rod 402 is rotatably connected to a driving rod 405, and a positioning column 407 is provided above each driving rod 405, and the two positioning columns 407 extend to the inside of the two groups of positioning openings 308 respectively. The second spring 403 can make the positioning column 407 reduce the force applied to the driving rod 405, ensuring that the locking component 3 can lock the car 2, and after locking, the driving rod 405 can be used to push the positioning column 407 to move upward, thereby self-locking the locking component 3.

[0028] like Figure 3 and Figure 4 As shown, the outer surface of each positioning column 407 is sleeved with a limit frame 406, the upper surfaces of the two limit frames 406 are fixedly connected to the bottom surfaces of the two square tubes 304 respectively, and the bottom end of each positioning column 407 is fixedly connected with a stop block 408, which can limit the positioning column 407 so that the positioning column 407 can move upward.

[0029] like Figure 3 and Figure 4 As shown, the outer surface of each lever 405 is fixedly connected to two positioning rings 409. The two sets of positioning rings 409 are respectively located in front of the two levers 405 and behind the levers 405. A blocking rod 410 is provided below each of them. The positioning rings 409 can limit the lever 405 to prevent the lever 405 from being misplaced.

[0030] Second embodiment

[0031] The locking structure of the locking assembly 3 includes two positioning blocks 302 arranged inside the two connecting seats 301. The back of each positioning block 302 is fixedly connected to the front of the carriage 2. The side of the two connecting seats 301 close to each other is provided with a sliding groove 303. The side of the two connecting seats 301 close to each other is fixedly connected to a square tube 304. The inner wall of each square tube 304 is fixedly connected to two first springs 305. The ends of the two groups of first springs 305 away from each other are commonly fixedly connected to two clamping plates 306. The upper surface of each square tube 304 and the clamping plate 306 are fixedly connected. 6 is provided with a positioning hole 308, and the front of each square tube 304 is provided with a through groove 309. The inner wall of each through groove 309 is slidably connected with a control block 310. The backs of the two control blocks 310 are fixedly connected to the fronts of the two clamping plates 306 respectively. Through the cooperation of the clamping plates 306 and the first spring 305, when the carriage 2 drives the positioning block 302 to move downward, the clamping plates 306 can be retracted into the interior of the square tube 304, and after the positioning block 302 moves to the specified position, the square tube 304 can be extended to limit the positioning block 302.

[0032] A pull rope 307 is provided in front of the carriage 2, and the left and right ends of the pull rope 307 are fixedly connected to the side surfaces of the two control blocks 310 that are close to each other. The pull rope 307 can facilitate the staff to pull the two control blocks 310 at the same time, thereby ensuring that the control blocks 310 move at the same time and pulling the card plate 306 into the interior of the square tube 304.

[0033] When the locking cam 307 is in the locked position, the locking cam 307 is in the locked position, and the locking cam 307 is in the locked position, so that the locking cam 307 is locked.

Claims

1. A vehicle frame locking structure, comprising a vehicle frame (1), characterized in that: include: A carriage (2) is arranged above the frame (1) and is used to carry items; A locking assembly (3) is arranged above the vehicle frame (1), comprising two connecting seats (301) mounted on the upper surface of the vehicle frame (1), and two positioning blocks (302) mounted on the front of the vehicle compartment (2), wherein a locking structure is provided on the side of the two connecting seats (301) adjacent to each other; The self-locking assembly (4) is arranged in front of the carriage (2), and comprises a perforated pressing block (401) installed on the front of the carriage (2), and two support rods (402) installed on the inner wall of the frame (1); the perforated pressing block (401) is provided with a self-locking structure inside.

2. The carriage frame locking structure according to claim 1, characterized in that: A through opening (101) is provided on the upper surface of the vehicle frame (1).

3. The carriage frame locking structure according to claim 1, characterized in that: The upper surface of the vehicle frame (1) is fixedly connected to two recesses (201), the inner wall of each recess (201) is slidably connected to a guide block (202), the inner wall of the vehicle frame (1) is fixedly connected to a rotating shaft (203), the outer surface of the rotating shaft (203) is rotatably connected to a connecting strip (204) with a hole, and the upper surface of the connecting strip (204) with a hole is fixedly connected to the bottom surface of the vehicle compartment (2).

4. The carriage frame locking structure according to claim 1, characterized in that: The locking structure of the locking assembly (3) comprises two positioning blocks (302) arranged inside two connecting seats (301), the back of each positioning block (302) is fixedly connected to the front of the carriage (2), a sliding groove (303) is provided on the side of the two connecting seats (301) close to each other, a square tube (304) is fixedly connected to the side of the two connecting seats (301) close to each other, and the inner wall of each square tube (304) is fixedly connected to two first springs (305 ), the ends of the two groups of the first springs (305) that are away from each other are fixedly connected to two clamping plates (306), the upper surface of each of the square tubes (304) and the upper surface of the clamping plate (306) are provided with a positioning hole (308), the front surface of each of the square tubes (304) is provided with a through groove (309), the inner wall of each of the through grooves (309) is slidably connected to a control block (310), and the back surfaces of the two control blocks (310) are fixedly connected to the front surfaces of the two clamping plates (306) respectively.

5. The carriage frame locking structure according to claim 1, characterized in that: The self-locking structure of the self-locking assembly (4) includes a second spring (403) installed on the inner top wall of the perforated pressure block (401), the bottom end of each second spring (403) is fixedly connected to a pressure column (404), both ends of each support rod (402) are fixedly connected to the inner wall of the through opening (101), the outer surface of each support rod (402) is rotatably connected to a shift rod (405), and a positioning column (407) is provided above each shift rod (405), and the two positioning columns (407) extend to the inside of the two groups of positioning openings (308) respectively.

6. The carriage frame locking structure according to claim 5, characterized in that: The outer surface of each positioning column (407) is sleeved with a limit frame (406), the upper surfaces of the two limit frames (406) are fixedly connected to the bottom surfaces of the two square tubes (304) respectively, and the bottom end of each positioning column (407) is fixedly connected to a stop block (408).

7. The carriage frame locking structure according to claim 5, characterized in that: The outer surface of each shifting rod (405) is fixedly connected to two positioning rings (409), and the two groups of positioning rings (409) are respectively located in front of the two shifting rods (405) and behind the shifting rods (405), and a blocking rod (410) is provided below each.

8. The carriage frame locking structure according to claim 1, characterized in that: A pull rope (307) is provided in front of the carriage (2), and the left and right ends of the pull rope (307) are respectively fixedly connected to the side surfaces of the two control blocks (310) that are close to each other.

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