Rapidly-mounted tow hook

Abstract

The utility model belongs to the technical field of tow hooks, and particularly relates to a rapid installation tow hook which comprises a shell and a cross beam, an insertion block is fixedly connected to one side of the outer portion of the shell, clamping blocks are connected to the two sides of the interior of the insertion block in a sliding mode, the clamping blocks are detachably connected to the interior of the cross beam, and an insertion groove is formed in the cross beam; the utility model provides a quick installation tow hook which solves the problems that in the prior art, in order to guarantee use stability, a tow hook is generally installed through a plurality of bolts, but the bolts need to be tightened in sequence when the tow hook is installed through the bolts, operation is tedious, time and labor are wasted, and installation is not convenient. When the tow hook is used in some emergency situations, the time of a user is greatly delayed, the disassembly and assembly efficiency is reduced, and the tow hook body is driven to shake left and right when a vehicle turns in the process of driving by using the tow hook main body, so that extrusion is generated between the tow hook body and a cross beam, and the tow hook is easily damaged and fractured. Therefore, the personal safety of the user is threatened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of trailer hook, specifically speaking, it is a kind of quick installation trailer hook. BACKGROUND

[0002] Trailer hook is the trailer and towing device of automobile, and many brands of automobile are equipped with trailer hook when leaving factory, and automobile trailer hook has become the component that automobile must be equipped.

[0003] The trailer hook in prior art is generally installed by multiple bolts to ensure stability, but the bolt installation mode needs to tighten the bolt in sequence, and the operation is more cumbersome and time-consuming and laborious, very delays the user's time in some more urgent conditions, reduces the dismounting efficiency, and when turning in the process of driving by the vehicle using trailer hook body, the trailer hook body is shaken left and right with the extrusion between crossbeam, which can easily lead to the damage and fracture of trailer hook, thereby threatening the personal safety of user. UTILITY MODEL CONTENT

[0004] In view of the above problems existing in prior art, the main purpose of the utility model is to provide a kind of quick installation trailer hook.

[0005] The technical scheme of the utility model is as follows: a kind of quick installation trailer hook, including shell and crossbeam, the outside one side of shell is fixedly connected with insert block, the inside two sides of insert block are slidably connected with clamping block, the clamping block is detachably connected in the inside of crossbeam, the inside of crossbeam is provided with insert slot, the outside of shell is slidably connected with limiting frame, the outside of shell is fixedly connected with trailer hook body on the side away from insert block, the inside two sides of insert slot are provided with the clamping groove matched with clamping block, the inside of shell is provided with dismounting assembly.

[0006] As a preferred embodiment, the dismounting assembly includes a shaft and a linkage unit, the shaft is rotatably connected to the inside of the shell, one end of the shaft is fixedly connected with a first bevel gear, the inside of the shell extends to the inside of the insert block and is rotatably connected with a first lead screw, one end of the first lead screw is fixedly connected with a second bevel gear, the first bevel gear is meshingly connected with the second bevel gear, the outside of the first lead screw is threadedly connected with a threaded block, the outside two sides of the threaded block are rotatably connected with connecting rods, the ends of the two connecting rods away from the threaded block are rotatably connected with the corresponding clamping blocks, and the limiting frame can slide through the linkage unit.

[0007] As a preferred implementation form, the linkage unit comprises a third bevel gear fixedly connected to the outer side of the rotating shaft away from the first bevel gear, a second lead screw rotatably connected to the inner side of the shell away from the first lead screw, a fourth bevel gear fixedly connected to one end of the second lead screw, and the third bevel gear is in meshing connection with the fourth bevel gear.

[0008] As a preferred implementation form, the top of the limiting frame is screw-connected with a bolt, and the outer side of the shell is provided with a threaded hole matched with the bolt.

[0009] As a preferred implementation form, the inner side of the limiting frame is fixedly connected with a rubber pad, and one end of the rotating shaft is fixedly connected with a knob extending to the outer side of the shell.

[0010] As a preferred implementation form, the thread direction of the outer side of the first lead screw is opposite to the thread direction of the second lead screw, the inner side of the plug block is fixedly connected with a limiting rod, and the two clamping blocks are respectively slidingly connected to the outer sides of the limiting rod.

[0011] The utility model discloses the beneficial effects are as follows:

[0012] The device can quickly install and disassemble the trailer hook body through simple operation, effectively improves the disassembly efficiency, improves the use experience of the vehicle owner, and provides protection for the cross beam through the abutting of the limiting frame and the buffering of the rubber pad. The problem of abrasion of the shell and the cross beam caused by extrusion between the trailer hook body and the cross beam when the vehicle turns during driving is avoided, thereby reducing the service life, and the stability of the trailer hook body during use is also greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further described below in combination with the drawings.

[0014] Figure 1 It is the perspective view of the utility model;

[0015] Figure 2 It is the second form perspective view of the utility model;

[0016] Figure 3 It is the cross-sectional view of the cross beam in the utility model;

[0017] Figure 4 It is the first cross-sectional view of the shell in the utility model;

[0018] Figure 5 It is the second cross-sectional view of the shell in the utility model;

[0019] Figure 6 The utility model discloses Figure 4 The enlarged view of A in the middle.

[0020] In the figure: 1, shell; 2, insert block; 3, clamping block; 4, crossbeam; 5, insert groove; 6, limiting frame; 7, trailer hook body; 8, clamping groove; 9, pivot; 10, first bevel gear; 11, first lead screw; 12, second bevel gear; 13, threaded block; 14, connecting rod; 15, third bevel gear; 16, second lead screw; 17, fourth bevel gear; 18, sliding block; 19, bolt; 20, rubber pad; 21, knob. DETAILED DESCRIPTION

[0021] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] Please refer to Figures 1-6 A kind of quick installation trailer hook, including shell 1 and crossbeam 4, the outside one side of shell 1 is fixedly connected with insert block 2, the inside both sides of insert block 2 are slidably connected with clamping block 3, clamping block 3 is detachably connected in the inside of crossbeam 4, insert groove 5 is set up in the inside of crossbeam 4, the outside of shell 1 is slidably connected with limiting frame 6, the outside of shell 1 is fixedly connected with trailer hook body 7 on the side away from insert block 2, the inside both sides of insert groove 5 are set up with the clamping groove 8 matched with clamping block 3, and dismounting assembly is arranged in the inside of shell 1.

[0023] Specifically, the dismounting assembly includes pivot 9 and linkage unit, pivot 9 is rotatably connected to the inside one side of shell 1, one end of pivot 9 is fixedly connected with first bevel gear 10, first lead screw 11 is rotatably connected to the inside one side of shell 1 extending to the inside of insert block 2, one end of first lead screw 11 is fixedly connected with second bevel gear 12, first bevel gear 10 is meshingly connected with second bevel gear 12, threaded block 13 is screw-connected to the outside of first lead screw 11, connecting rod 14 is rotatably connected to the outside both sides of threaded block 13, the end of the two connecting rods 14 away from threaded block 13 is rotatably connected with corresponding clamping block 3 respectively, limiting frame 6 can slide through linkage unit, and the linkage unit includes third bevel gear 15, third bevel gear 15 is fixedly connected to the outside of pivot 9 on the side away from first bevel gear 10, second lead screw 16 is rotatably connected to the inside of shell 1 away from first lead screw 11, one end of second lead screw 16 is fixedly connected with fourth bevel gear 17, third bevel gear 15 is meshingly connected with fourth bevel gear 17, sliding block 18 is fixedly connected to the inside of shell 1 extending to the inside of limiting frame 6, and sliding block 18 is screw-connected to the outside of second lead screw 16.

[0024] When the trailer hook body 7 needs to be installed, first, the plug block 2 outside the shell 1 is inserted into the inside of the slot 5 of the cross beam 4, then the knob 21 is manually rotated to drive the rotating shaft 9 and the first bevel gear 10 to rotate, so that the first bevel gear 10 drives the second bevel gear 12 and the first lead screw 11 to rotate through the meshing relationship, and the first lead screw 11 drives the threaded block 13 to move to the side of the plug block 2 through the threaded connection relationship, and the corresponding clamping block 3 is pushed to the outside of the plug block 2 through the two connecting rods 14, until the plug block 2 moves to the inside of the clamping groove 8, that is, the installation and fixation of the trailer hook body 7 are completed, and the third bevel gear 15 outside the rotating shaft 9 can also be driven to rotate synchronously during the rotation of the rotating shaft 9, so that the third bevel gear 15 drives the fourth bevel gear 17 and the second lead screw 16 to rotate through the meshing relationship, and the second lead screw 16 drives the sliding block 18 and the limiting frame 6 to move to the cross beam 4 through the threaded connection relationship, until the limiting frame 6 moves to the position tightly attached to the cross beam 4, that is, the shell 1 can be limited and tightly abutted by the limiting frame 6, then the bolt 19 inside the limiting frame 6 is screwed into the corresponding threaded hole, and the limiting frame 6 is fixed, realizing the protection function of the shell 1 and the cross beam 4, when the trailer hook body 7 needs to be disassembled, first, the bolt 19 is unscrewed from the threaded hole, then the knob 21 is reversely rotated, and through the reverse process operation, the clamping block 3 is driven to move to the inside of the plug block 2 again, and the limiting frame 6 is driven to move away from the cross beam 4, the device can quickly install and disassemble the trailer hook body 7 through simple operation, effectively improving the disassembly efficiency and the user experience of the vehicle owner, and through the abutment of the limiting frame 6 to the cross beam 4 and the buffering of the rubber pad 20, the cross beam 4 can be protected, avoiding the left and right shaking of the trailer hook body 7 and the extrusion between the cross beam 4 during the turning of the vehicle using the trailer hook body 7, which can cause the shell 1 and the cross beam 4 to be worn and thus reduce the service life, and the stability of the trailer hook body 7 during use is also greatly improved.

[0025] Specifically, the top of the limiting frame 6 is threadedly connected with the bolt 19, one side of the outside of the shell 1 is provided with a threaded hole matched with the bolt 19, the inside of the limiting frame 6 is fixedly connected with the rubber pad 20, one end of the rotating shaft 9 extends to the outside of the shell 1 and is fixedly connected with the knob 21, the threaded direction of the outside of the first lead screw 11 is opposite to that of the second lead screw 16, the inside of the plug block 2 is fixedly connected with a limiting rod, and the two clamping blocks 3 are respectively slidably connected to the outside of the two sides of the limiting rod.

[0026] Through the above technical scheme, the threads of the first lead screw 11 and the second lead screw 16 arranged in opposite directions outside can drive the corresponding threaded block 13 and the sliding block 18 to move in the same direction when they rotate in opposite directions, and the limiting rod can limit the clamping block 3 to avoid shaking and deviation.

[0027] In use, when the trailer hook body 7 needs to be installed, first insert the plug block 2 outside the shell 1 into the slot 5 in the cross beam 4, then manually rotate the knob 21, drive the rotating shaft 9 and the first bevel gear 10 to rotate, so that the first bevel gear 10 drives the second bevel gear 12 and the first lead screw 11 to rotate through the meshing relationship, and the first lead screw 11 drives the threaded block 13 to move to the side of the plug block 2 through the threaded connection relationship, and pushes the corresponding clamping block 3 to the outside of the plug block 2 through the connecting rod 14 on both sides, until the plug block 2 moves to the inside of the clamping groove 8, that is, the installation and fixation of the trailer hook body 7 can be completed, and in the process of rotating the rotating shaft 9, the third bevel gear 15 on the outside can also be driven to rotate synchronously, so that the third bevel gear 15 drives the fourth bevel gear 17 and the second lead screw 16 to rotate through the meshing relationship, and the second lead screw 16 drives the sliding block 18 and the limiting frame 6 to move to the cross beam 4 through the threaded connection relationship, until the limiting frame 6 moves to the position tightly attached to the cross beam 4, that is, the shell 1 can be limited and tightly clamped by the limiting frame 6, then the bolt 19 inside the limiting frame 6 is tightened into the corresponding threaded hole, the limiting frame 6 is fixed, the protection function of the shell 1 and the cross beam 4 is realized, when the trailer hook body 7 needs to be disassembled, first unscrew the bolt 19 from the threaded hole, then reverse the knob 21, and through the reverse process, the clamping block 3 can be driven to move to the inside of the plug block 2 again, and the limiting frame 6 can be driven away from the cross beam 4. The device can quickly install and disassemble the trailer hook body 7 through simple operation, effectively improve the disassembly efficiency, improve the user experience of the vehicle owner, and through the tight clamping of the limiting frame 6 on the cross beam 4, combined with the buffering of the rubber pad 20, the cross beam 4 can be protected, avoiding the problem that the shell 1 and the cross beam 4 are worn due to the extrusion between the trailer hook body 7 and the cross beam 4 when the vehicle turns during driving with the trailer hook body 7, thereby reducing the service life, and greatly improving the stability of the trailer hook body 7 during use. The threads on the outside of the first lead screw 11 and the second lead screw 16 in opposite directions can drive the corresponding threaded block 13 and sliding block 18 to move in the same direction when they rotate in opposite directions, and the limiting rod can limit the clamping block 3 to avoid shaking and shifting.

[0028] The above front, back, left, right, up and down are based on the drawings in the specification Figure 1 As the standard of the human observation angle, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0029] In the description of the utility model, it is understood that the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the utility model.

[0030] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A quick installation trailer coupling comprising a housing (1) and a crossbar (4), characterized in that The outside of the shell (1) is fixedly connected with an insertion block (2), the inside of the insertion block (2) is slidably connected with a clamping block (3), the clamping block (3) is detachably connected to the inside of the cross beam (4), the inside of the cross beam (4) is provided with an insertion slot (5), the outside of the shell (1) is slidably connected with a limiting frame (6), the side of the shell (1) away from the insertion block (2) is fixedly connected with a trailer hook body (7), the inside of the insertion slot (5) is provided with a clamping groove (8) matched with the clamping block (3), and the inside of the shell (1) is provided with a disassembling assembly.

2. A quick attach trailer hitch according to claim 1, wherein, The disassembling assembly comprises a rotating shaft (9) and a linkage unit, one side of the inside of the shell (1) is rotatably connected with the rotating shaft (9), one end of the rotating shaft (9) is fixedly connected with a first bevel gear (10), the inside of the shell (1) extends to the inside of the insertion block (2) and is rotatably connected with a first lead screw (11), one end of the first lead screw (11) is fixedly connected with a second bevel gear (12), the first bevel gear (10) is meshedly connected with the second bevel gear (12), the outside of the first lead screw (11) is threadedly connected with a threaded block (13), the outside of the threaded block (13) is rotatably connected with a connecting rod (14) on both sides, the ends of the two connecting rods (14) away from the threaded block (13) are rotatably connected with the corresponding clamping blocks (3), and the limiting frame (6) can slide through the linkage unit.

3. A quick attach trailer hitch according to claim 2, wherein, The linkage unit comprises a third bevel gear (15), the third bevel gear (15) is fixedly connected to the outside of the rotating shaft (9) away from the first bevel gear (10), the side of the inside of the shell (1) away from the first lead screw (11) is rotatably connected with a second lead screw (16), one end of the second lead screw (16) is fixedly connected with a fourth bevel gear (17), the third bevel gear (15) is meshedly connected with the fourth bevel gear (17), the inside of the limiting frame (6) extends to the inside of the shell (1) and is fixedly connected with a sliding block (18), and the sliding block (18) is threadedly connected with the outside of the second lead screw (16).

4. A quick attach trailer hitch according to claim 3, wherein, The top of the limiting frame (6) is threadedly connected with a bolt (19), and the outside of the shell (1) is provided with a threaded hole matched with the bolt (19).

5. A quick attach trailer hitch according to claim 4, wherein, The inside of the limiting frame (6) is fixedly connected with a rubber pad (20), and one end of the rotating shaft (9) extends to the outside of the shell (1) and is fixedly connected with a knob (21).

6. A quick attach trailer hitch according to claim 5, wherein, The thread direction of the outside of the first lead screw (11) is opposite to that of the second lead screw (16), the inside of the insertion block (2) is fixedly connected with a limiting rod, and the two clamping blocks (3) are slidably connected to the outside of the limiting rod.

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