Novel gooseneck ball

Abstract

The utility model discloses a novel gooseneck ball and relates to the technical field of trailer connecting devices, the novel gooseneck ball is applied to a vehicle, the vehicle is provided with a ball hook mounting seat, the novel gooseneck ball comprises a shell and a clamping piece, the shell comprises a trailer ball part and a mounting part which are connected, the trailer ball part is used for clamping a trailer ball cover, and the mounting part is used for clamping the trailer ball cover. The mounting part is provided with a mounting cavity and a clamping through hole communicated with the mounting cavity, the clamping piece is movably arranged on the shell and has a locking position and an unlocking position, the clamping piece is provided with a clamping part capable of moving in the clamping through hole, and at the locking position, the clamping part extends out of the clamping through hole and is used for being clamped on a ball hook mounting seat; at the unlocking position, the clamping part is separated from the ball hook mounting seat and retracts into the clamping through hole; according to the technical scheme provided by the utility model, the novel gooseneck ball and the ball hook mounting seat can be simply and conveniently mounted.

Description

Technical Field

[0001] The utility model relates to the technical field of trailer connection devices, in particular to a novel gooseneck ball. Background Art

[0002] At present, more and more users in the domestic market have begun to use and get involved in outdoor sports, including RVs, trailers, yachts and other products. These large products need to have a trailer connection with the car during use so that the RVs, trailers, yachts, etc. can move. Generally speaking, a gooseneck ball is set at the rear of the car, and a trailer ball cover is set at the front of the RV, trailer and yacht. The trailer ball cover can press and fix the trailer ball part of the gooseneck ball in the trailer ball cover to complete the trailer connection between the RV, trailer, yacht and the car.

[0003] At present, when the cars on the market are leaving the factory, there is no gooseneck ball at the rear of the car, and the user needs to configure it by himself. Generally, a ball hook mounting seat is installed at the rear of the car, and then the gooseneck ball is installed on the ball hook mounting seat, so as to replace different styles of gooseneck balls according to actual needs. At present, the gooseneck ball and the ball hook mounting seat on the market are connected by threads, that is, the gooseneck ball is provided with an external thread, the ball hook mounting seat is provided with an internal thread, and the gooseneck ball is screwed to the ball hook mounting seat. Since the gooseneck ball needs to be screwed to the bottom of the ball hook mounting seat during installation, it takes a long time. Utility Model Content

[0004] The main purpose of the utility model is to provide a novel gooseneck ball, aiming to realize the simple installation of the novel gooseneck ball and a ball hook mounting seat.

[0005] To achieve the above-mentioned purpose, the novel gooseneck ball proposed in the utility model is applied to a vehicle, wherein the vehicle has a ball hook mounting seat, and the novel gooseneck ball comprises:

[0006] The housing comprises a trailer ball portion and a mounting portion connected to each other, wherein the trailer ball portion is used for the trailer ball cover to be clamped, and the mounting portion has a mounting cavity and a clamping through hole communicating with the mounting cavity; and

[0007] A clamping piece is movably arranged on the shell and has a locking position and an unlocking position. The clamping piece has a clamping portion that can move in the clamping through hole. In the locking position, the clamping portion extends out of the clamping through hole and is used to be clamped in the ball hook mounting seat; in the unlocking position, the clamping portion is separated from the ball hook mounting seat and retracted into the clamping through hole.

[0008] In one embodiment, the new gooseneck ball also includes a limit member, which is moved along a first direction in the installation cavity and has a limit position and an avoidance position, and the clamping member moves along a direction intersecting the first direction; the limit member has a large end and a small end, and in the limit position, the large end corresponds to the clamping through hole and abuts against the clamping member so that the clamping portion extends out of the clamping through hole; in the avoidance position, the small end corresponds to the clamping through hole, and an avoidance space is formed between the small end and the clamping through hole, and the clamping member is partially retracted to the avoidance space.

[0009] In one embodiment, the circumferential surface of the limiting member includes a cylindrical segment and a conical segment, the large end is arranged at the cylindrical segment, and the small end is arranged at an end of the conical segment away from the cylindrical segment.

[0010] In one embodiment, the clamping member includes a clamping ball, and the clamping ball is in sliding contact with the cylindrical segment and the conical segment so as to be able to roll between the large end and the small end.

[0011] In one embodiment, the trailer ball portion has a guide through hole, one end of which passes through the surface of the trailer ball portion, and the other end is connected to the mounting cavity. The new gooseneck ball also includes an operating member connected to the limit member, and the operating member can be moved along the first direction and is arranged in the guide through hole to cause the limit member to switch between the limiting position and the avoidance position; the operating member has an operating end exposed outside the guide through hole.

[0012] In one embodiment, the operating member includes a guide rod portion and a handle portion connected to each other, the operating end portion is arranged on the handle portion, the guide rod portion extends along the first direction, and one end of the guide rod portion away from the handle portion is connected to the limiting member.

[0013] In one embodiment, the trailer ball portion is provided with a receiving groove corresponding to the handle portion, and the receiving groove is communicated with the guide through hole. When the limiting member is located at the locking position, the handle portion is located in the receiving groove and abuts against the bottom wall of the receiving groove. When the limiting member is located at the unlocking position, the handle portion is located outside the receiving groove.

[0014] In one embodiment, the edge of the cross section of the handle portion is inscribed in the notch edge of the receiving groove.

[0015] In one embodiment, both ends of the receiving groove are provided with a clearance groove, and the clearance groove is used for allowing fingers to extend into the receiving groove.

[0016] In one embodiment, the operating member further includes a reinforcing rod portion, which is connected between the guide rod portion and the limiting member, and a cross-sectional area of ​​the reinforcing rod portion is larger than a cross-sectional area of ​​the guide rod portion and smaller than a cross-sectional area of ​​the large end.

[0017] In one embodiment, two clamping members are provided, which are disposed on opposite sides of the mounting portion.

[0018] In one embodiment, the snap-in element comprises a snap-in ball.

[0019] The novel gooseneck ball in the technical solution of the utility model is applied to a vehicle, and the vehicle has a ball hook mounting seat. The novel gooseneck ball can be mounted on the ball hook mounting seat to realize the installation of the novel gooseneck ball and the vehicle. The novel gooseneck ball includes a shell and a clamping piece. The shell includes a trailer ball part and a mounting part connected to each other. The trailer ball part is used for the trailer ball cover to be clamped. The mounting part has a mounting cavity and a clamping through hole connected to the mounting cavity. The clamping piece is movably arranged in the shell and has a locking position and an unlocking position. The clamping piece has a clamping part that can move in the clamping through hole. In the locking position, the clamping part extends out of the clamping through hole and is used to be clamped in the ball hook mounting seat to install and fix the novel gooseneck ball and the ball hook mounting seat; in the unlocking position, the clamping part is separated from the ball hook mounting seat and retracted into the clamping through hole to detach the novel gooseneck ball and the ball hook mounting seat from each other. That is, when installing the new gooseneck ball on the ball hook mounting seat, the new gooseneck ball is inserted into the ball hook mounting seat and the clamping piece is introduced into the clamping through hole, and the installation of the new gooseneck ball can be completed. When removing the new gooseneck ball from the ball hook mounting seat, the abutting pressure on the clamping piece is cancelled and the new gooseneck ball can be directly pulled out from the ball hook mounting seat. The operation is simple and helps to reduce the time spent on installing the new gooseneck ball. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0021] Figure 1 A structural schematic diagram of an embodiment of a novel gooseneck ball provided by the utility model;

[0022] Figure 2 for Figure 1 A cross-sectional view of the illustrated embodiment, with the abutment dome cover cap trailer dome abutting;

[0023] Figure 3 for Figure 1Another cross-sectional view of the illustrated embodiment, with the trailer ball cover engaged with the trailer ball.

[0024] Description of Figure Numbers:

[0025] 100, housing; 11, trailer ball portion; 111, guide through hole; 112, receiving groove; 113, clearance groove; 12, mounting portion; 121, mounting cavity; 122, snap-on through hole; 123, first cavity section; 124, second cavity section;

[0026] 200, card connector; 21, card connector ball;

[0027] 300, stopper; 31; cylindrical section; 32; conical section;

[0028] 400, operating member; 41, guide rod; 42, handle; 43, reinforcement rod;

[0029] 500, ball hook mounting seat;

[0030] 600, abutting the ball cover;

[0031] 700. Trailer ball cover.

[0032] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0035] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0036] The utility model provides a novel gooseneck ball.

[0037] See also Figures 1 to 3 In one embodiment of the utility model, the novel gooseneck ball is applied to a vehicle, and the vehicle has a ball hook mounting seat 500. The novel gooseneck ball can be mounted on the ball hook mounting seat 500 to achieve the installation of the novel gooseneck ball and the vehicle. The novel gooseneck ball includes a shell 100 and a clamping member 200. The shell 100 includes a trailer ball portion 11 and a mounting portion 12 connected thereto. The trailer ball portion 11 is used for clamping a trailer ball cover. The mounting portion 12 has a mounting cavity 121 and a clamping through hole 122 communicating with the mounting cavity 121. The clamping part 200 is movably arranged on the shell 100 and has a locking position and an unlocking position. The clamping part 200 has a clamping portion that can move in the clamping hole 122. In the locking position, the clamping portion extends out of the clamping hole 122 and is used to be clamped on the ball hook mounting seat 500 to install and fix the new gooseneck ball and the ball hook mounting seat 500; in the unlocking position, the clamping portion is separated from the ball hook mounting seat 500 and retracted into the clamping hole 122 to detach the new gooseneck ball and the ball hook mounting seat 500 from each other. That is, when installing the new gooseneck ball on the ball hook mounting seat 500, the new gooseneck ball is inserted into the ball hook mounting seat 500 and the clamping member 200 is introduced into the clamping through hole 122, and the installation of the new gooseneck ball is completed. When removing the new gooseneck ball from the ball hook mounting seat 500, the abutting pressure on the clamping member 200 is cancelled and the new gooseneck ball is directly pulled out from the ball hook mounting seat 500. The operation is simple and helps to reduce the time spent on installing the new gooseneck ball.

[0038] In one embodiment, the novel gooseneck ball further includes a stopper 300, which is arranged in the installation cavity 121 and moves along the first direction, and has a limit position and an avoidance position. The clamping member 200 moves along a direction intersecting with the first direction, so that the clamping member 200 can extend or retract into the clamping through hole 122; the stopper 300 has a large end and a small end. In the limit position, the large end corresponds to the clamping through hole 122 and abuts against the clamping member 200, so that the clamping part extends out of the clamping through hole 122; in the avoidance position, the small end corresponds to the clamping through hole 122, and forms an avoidance space with the clamping through hole 122, and the clamping member 200 partially retracts into the avoidance space. In other embodiments, the stopper 300 may also include a telescopic rod, which telescopically moves in a direction intersecting with the first direction, so that the trailer ball can be pushed out or retracted into the clamping through hole 122.

[0039] In one embodiment, the circumference of the limiting member 300 includes a cylindrical segment 31 and a conical segment 32, the large end is arranged at the cylindrical segment 31, and the small end is arranged at one end of the conical segment 32 away from the cylindrical segment 31. That is, in the limiting position, the clamping member 200 is in contact with the cylindrical segment 31, and in the process of the limiting member 300 changing from the limiting position to the avoidance position, the limiting member 300 moves along the first direction so that the conical segment 32 is arranged toward the clamping through hole 122, so that the clamping member 200 slides from the cylindrical segment 31 to the conical segment 32, and gradually slides on the conical segment 32 toward the installation cavity 121 until the clamping member 200 retracts into the clamping through hole 122, at which time part of the structure of the clamping member 200 extends from the clamping through hole 122 into the installation cavity 121. Furthermore, the diameter of the cylindrical section 31 is adapted to the diameter of the installation cavity 121, that is, the axes of the cylindrical section 31 and the conical section 32 are coaxial with the axis of the installation cavity 121, and when the clamping member 200 is in the locked position, the abutting surface of the clamping member 200 with the limiting member 300 is flush with the inner wall surface of the installation cavity 121. In other embodiments, the circumference of the limiting member 300 may only include the conical section 32, and the end of the conical section 32 away from the self-submission axis is the large end, and the end close to the self-submission axis is the small end.

[0040] In one embodiment, the clamping member 200 includes a clamping ball 21, which is in sliding contact with the cylindrical section 31 and the conical section 32 so as to be able to roll between the large end and the small end. The arc surface structure of the clamping ball makes it easier for the clamping ball 21 to slide on the limiter 300, and when the clamping member 200 is clamped and fixed by the ball hook mounting seat 500, it can withstand higher pressure, so that the new gooseneck ball has a longer service life when in use. And the arc surface structure of the clamping ball 21 extending out of the clamping through hole 122 can smoothly retract into the clamping through hole 122 under the push of the clamping structure of the mounting seat when the limiter 300 is in the avoidance position. In other embodiments, the clamping member 200 can also include a clamping column with an arc surface at the upper end, wherein the arc surface portion can extend out of the clamping through hole 122 and be clamped by the mounting seat, and the columnar structure can abut against the limiter 300.

[0041] In one embodiment, the trailer ball part 11 has a guide through hole 111, one end of the guide through hole 111 passes through the surface of the trailer ball part 11, and the other end is connected to the installation cavity 121. The novel gooseneck ball also includes an operating member 400 connected to the limit member 300, and the operating member 400 can be moved in the first direction and arranged in the guide through hole 111 to cause the limit member 300 to switch between the limit position and the avoidance position; the operating member 400 has an operating end exposed outside the guide through hole 111. That is, the user can move the limit member 300 in the first direction by holding the operating end, so that the limit member 300 changes between the limit position and the release position. In other embodiments, a linear motor can also be provided in the installation cavity 121, and the push rod of the linear motor is connected to the limit member 300 to drive the limit member 300 to move in the first direction.

[0042] In one embodiment, the operating member 400 includes a guide rod portion 41 and a handle portion 42 connected to each other, the operating end portion is provided at the handle portion 42, the guide rod portion 41 extends along the first direction, and one end of the guide rod portion 41 away from the handle portion 42 is connected to the stopper 300. The handle portion 42 provides a larger gripping structure for the user, making it easy for the user to apply pulling and pushing forces to the stopper 300. In other embodiments, the handle portion 42 may not be provided, and the operating end portion may be provided at one end of the guide rod portion 41 away from the stopper 300.

[0043] In one embodiment, the trailer ball portion 11 is provided with a receiving groove 112 corresponding to the handle portion 42, and the receiving groove 112 is connected to the guide through hole 111. When the stopper 300 is located in the locking position, the handle portion 42 is located in the receiving groove 112 and abuts against the bottom wall of the receiving groove 112. When the stopper 300 is located in the unlocking position, the handle portion 42 is located outside the receiving groove 112. The provision of the receiving groove 112 helps to reduce the influence of the handle on the engagement of the new gooseneck ball with the trailer ball cover, and can prevent the handle from shaking on the trailer ball portion 11 when the new gooseneck ball is installed on the car, thereby beautifying the appearance of the new gooseneck ball. In other embodiments, the receiving groove 112 may be omitted, and the influence of the handle on the engagement of the new gooseneck ball with the trailer ball cover may be weakened by reducing the size of the trailer ball portion 11.

[0044] In one embodiment, both ends of the receiving groove 112 are provided with a clearance groove 113, and the clearance groove 113 is used for a finger to be inserted into the receiving groove 112, so that the user can pull the handle out of the receiving groove 112 to change the position of the limiter 300. In other embodiments, the clearance groove 113 can also be provided on both sides of the receiving groove 112.

[0045] Please refer to Figure 2 and Figure 3 A contact ball cover 600 is rotatably provided on the ball hook mounting seat 500. When the new gooseneck ball is mounted on the ball hook mounting seat 500 and is not engaged with the trailer ball cover, the contact ball cover 600 rotates to engage with or cover the trailer ball portion 11, and the rotation structure of the contact ball cover 600 is locked to prevent the thief's trailer ball cover from engaging with the new gooseneck ball and stealing the vehicle. In this embodiment, when the contact ball cover 600 engages with or covers the trailer ball portion 11, the contact ball cover 600 engages with the handle portion 42 to maintain the limiter 300 in a restricted position. When the trailer ball portion 11 is engaged with the trailer ball cover 700 on another vehicle, the handle portion 42 on the new gooseneck ball is engaged with the inner wall of the trailer ball cover 700 to prevent the guide rod portion 41 from moving due to the vibration of the two vehicles during the driving of the vehicle, so as to avoid accidents caused by the unstable connection between the new gooseneck ball and the ball hook mounting seat 500.

[0046] In one embodiment, the edge of the cross section of the handle portion 42 is inscribed in the notch edge of the receiving groove 112. When the edge of the cross section of the handle portion 42 is inscribed in the notch edge of the receiving groove 112, the inner wall surface of the abutment ball cover 600 and the trailer ball cover is easy to abut against the handle portion 42. In other embodiments, when the stopper 300 is in the restricted position, part of the structure of the handle portion 42 extends out of the receiving groove 112.

[0047] In one embodiment, the operating member 400 further includes a reinforcing rod 43, which is connected between the guide rod 41 and the stopper 300, and the cross-sectional area of ​​the reinforcing rod 43 is larger than the cross-sectional area of ​​the guide rod 41 and smaller than the cross-sectional area of ​​the large end, which is beneficial to enhance the connection and support of the guide rod to the stopper 300. Furthermore, the installation cavity 121 includes a first cavity section 123 and a second cavity section 124, the cross-sectional area of ​​the first cavity section 123 is smaller than the cross-sectional area of ​​the second cavity section 124, and a first step surface is formed between the first cavity section 123 and the second cavity section 124. When the limit member 300 is in the avoidance position, the cylindrical section 31 abuts against the first step surface, and the first cavity section 123 is adapted to the reinforcing rod portion 43, and the second cavity section 124 is adapted to the cylindrical section 31. When the limit member 300 is in the restricted position, part of the structure of the reinforcing rod portion 43 is located in the first cavity section 123, so as to prevent the limit member 300 from shaking in the installation cavity 121 when the guide rod moves the limit member 300, and to prevent the clamping member 200 from shaking in the clamping through hole 122, thereby preventing the unstable connection between the new gooseneck ball and the ball hook mounting seat 500.

[0048] In one embodiment, two clamping members 200 are provided, which are disposed on opposite sides of the mounting portion 12 to stabilize the fixing structure of the novel gooseneck ball and the ball hook mounting seat 500. In other embodiments, four clamping members 200 can be provided, which are disposed around the mounting portion 12.

[0049] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A novel gooseneck ball, applied to vehicles, characterized in that: The vehicle has a ball hook mounting seat, and the novel gooseneck ball includes: The housing comprises a trailer ball portion and a mounting portion connected to each other, wherein the trailer ball portion is used for the trailer ball cover to be clamped, and the mounting portion has a mounting cavity and a clamping through hole communicating with the mounting cavity; and A clamping piece is movably arranged on the shell and has a locking position and an unlocking position. The clamping piece has a clamping portion that can move in the clamping through hole. In the locking position, the clamping portion extends out of the clamping through hole and is used to be clamped in the ball hook mounting seat; in the unlocking position, the clamping portion is separated from the ball hook mounting seat and retracted into the clamping through hole.

2. The novel gooseneck ball as claimed in claim 1, characterized in that: The novel gooseneck ball also includes a limit piece, which is moved along a first direction and arranged in the installation cavity, and has a limit position and an avoidance position, and the clamping piece moves along a direction intersecting with the first direction; the limit piece has a large end and a small end, and in the limit position, the large end corresponds to the clamping through hole and abuts against the clamping piece so that the clamping part extends out of the clamping through hole; in the avoidance position, the small end corresponds to the clamping through hole, and an avoidance space is formed between the small end and the clamping through hole, and the clamping piece is partially retracted to the avoidance space.

3. The novel gooseneck ball as claimed in claim 2, characterized in that: The circumferential surface of the position-limiting member includes a cylindrical segment and a conical segment. The large end is arranged at the cylindrical segment, and the small end is arranged at an end of the conical segment away from the cylindrical segment.

4. The novel gooseneck ball as claimed in claim 3, characterized in that: The clamping member comprises a clamping ball, which is in sliding contact with the cylindrical segment and the conical segment so as to be able to roll between the large end and the small end.

5. The novel gooseneck ball as claimed in claim 2, characterized in that: The trailer ball part has a guide through hole, one end of which passes through the surface of the trailer ball part, and the other end is connected to the installation cavity. The new gooseneck ball also includes an operating member connected to the limit member, and the operating member can be moved along the first direction and is arranged in the guide through hole to prompt the limit member to switch between the limiting position and the avoidance position; the operating member has an operating end exposed outside the guide through hole.

6. The novel gooseneck ball as claimed in claim 5, characterized in that: The operating member comprises a guide rod portion and a handle portion connected to each other, the operating end portion is arranged on the handle portion, the guide rod portion extends along the first direction, and one end of the guide rod portion away from the handle portion is connected to the limiting member.

7. The novel gooseneck ball as claimed in claim 6, characterized in that: The trailer ball portion is provided with a receiving groove corresponding to the handle portion, and the receiving groove is communicated with the guide through hole. When the limiting member is located at the locking position, the handle portion is located in the receiving groove and abuts against the bottom wall of the receiving groove. When the limiting member is located at the unlocking position, the handle portion is located outside the receiving groove.

8. The novel gooseneck ball as claimed in claim 7, characterized in that: The edge of the cross section of the handle portion is inscribed in the notch edge of the receiving groove; And / or, both ends of the receiving groove are provided with a clearance groove, and the clearance groove is used for allowing fingers to extend into the receiving groove.

9. The novel gooseneck ball as claimed in claim 6, characterized in that: The operating member also includes a reinforcing rod portion, which is connected between the guide rod portion and the limiting member. The cross-sectional area of ​​the reinforcing rod portion is larger than the cross-sectional area of ​​the guide rod portion and smaller than the cross-sectional area of ​​the large end.

10. The novel gooseneck ball according to claim 9, characterized in that: The clamping parts are provided with two, which are arranged on two opposite sides of the mounting part; And / or, the snap-in component includes a snap-in ball.

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