CN220764249U - American type bicycle tail bicycle frame - Google Patents

Abstract

The utility model discloses an American type bicycle tail bicycle frame, which belongs to the field of bicycle frames and comprises a bracket, wherein the tail end of the bracket is provided with a connecting structure, the bracket is provided with a supporting cross rod, a round nut is welded in the bracket, and the connecting structure comprises a detachable connecting block, a lock head and a bolt component. Through the connection structure who sets up, the adaptation is in different tail joints, set up the tapered end in the connection structure, the bolt assembly, can guarantee connection structure's use steadiness, adopt the mode of pegging graft between support horizontal pole and the support, the cooperation connecting bolt is being used, make the support horizontal pole can dismantle the setting, the volume of whole bicycle frame packing transportation has been reduced, the transport work of being convenient for goes on, use steadiness after can guaranteeing the installation again simultaneously, limit structure is adopted, the couple is installed on the dead lever through the slip locking seat, the mode that utilizes the locking carries out the fixation of couple position, when guaranteeing to carry out effective spacing to the wheel, can play the effect of theftproof.

Description

American type bicycle tail bicycle frame

Technical Field

The utility model relates to the field of bicycle frames, in particular to an American type bicycle tail bicycle frame.

Background

The automobile and the bicycle are both travel tools for people, the automobile is suitable for long-distance travel, the bicycle is suitable for short-distance travel, and the automobile and the bicycle have irreplaceable application values. In order to facilitate the bicycle to be carried by the automobile, a bicycle frame is generally arranged at the tail part of the automobile, and the bicycle is placed and carried by the bicycle frame. Currently, the tail joint of the U.S. automobile for connecting the bicycle frame is respectively formed by two sizes of 50 and 32, and when the bicycle frame is installed, the bicycle frame which is matched with the two sizes needs to be installed.

The Chinese patent number is: CN210554534U discloses a bicycle bracket at the tail of a bicycle, in which structures such as a rotary switch are arranged, so that the bicycle can be effectively placed and carried. But in the above-mentioned patent, the terminal style of tie-beam for connecting the car afterbody is unchangeable, can only carry out the connection of equidimension tailstock joint, connect the suitability poor, and in the front wheel fixed subassembly of setting in the above-mentioned patent, adopt bar tooth's socket and block portion to carry out spacingly, do not possess the locking function during spacing, other personnel can operate by oneself and open, take place the loss of bicycle easily, in most of bicycle frames of current, frame connecting rod and horizontal pole adopt welded mode, the frame is undetachable, and in the above-mentioned patent, although supporting beam can dismantle, it adopts the mode of centre gripping to carry out the installation of supporting beam, can not guarantee the stability in use after the supporting beam installs.

Disclosure of Invention

The utility model mainly aims to provide an American type tail bicycle frame which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

american bicycle tail bicycle frame, which comprises a bracket, the end of support is equipped with connection structure, and is equipped with the support horizontal pole on the support, the inside welding of support has round nut, connection structure includes removable connecting block, tapered end and bolt assembly, the bolt assembly is with the inside round nut threaded connection of support, and the bolt assembly includes bolt, packing ring and bullet pad, removable connecting block installs on the support, the tapered end is connected with the bolt cooperation in the bolt assembly, the support horizontal pole passes through mounting structure to be fixed on the support, and mounting structure comprises grafting frame, mount and connecting bolt, install limit structure on the support horizontal pole, and limit structure includes down tube, slip locking seat and couple, the down tube sets up on the support horizontal pole, the couple is installed on the down tube through the slip locking seat.

Preferably, the support cross bar is provided with a front wheel support, and the support is provided with a rear wheel support.

Preferably, the rear wheel support is provided with a connecting buckle, the rear wheel support is connected with a binding belt, and the tail end of the binding belt is clamped on the connecting buckle.

Preferably, the connecting structure further comprises a first key, the first key is arranged on the lock head, and the detachable connecting block is sleeved at the tail end of the bracket.

Preferably, the inserting frame and the fixing frame are fixed on the supporting cross rod, the inserting frame is located on the inner side of the fixing frame, a round hole is formed in the end portion of the supporting cross rod, the end portion of the supporting cross rod is connected with the inserting frame, the connecting bolt is located in the round hole, and the connecting bolt penetrates through the inserting frame and the fixing frame.

Preferably, the limiting structure further comprises a second key, the sliding locking seat is sleeved on the inclined rod, the sliding locking seat is fixedly connected with the hook, and the second key is installed on the sliding locking seat.

Compared with the prior art, the utility model has the following beneficial effects: this American bicycle tail bicycle frame, through the connection structure who sets up, the adaptation is in different car tail joints, when the removable connecting block was installed at the support end, can be connected with the car tail joint that the size is 50, and when the removable connecting block was dismantled, utilize the support end can be connected with the car tail joint that the size is 32, use the suitability is high, set up tapered end, the bolt subassembly in the connection structure, because the bolt subassembly includes the bolt, spring pad and packing ring, when bolt and nut lock, the spring pad can prevent not hard up, the packing ring can increase the application area of bolt afterbody and nut, improve stability. The function of tapered end is theftproof to and prevent the bolt after becoming flexible, the drop of bolt, guarantee that the bolt is located spacing hole, prevent that the product from becoming invalid in junction, can guarantee connection structure's use steadiness, adopt the mode of pegging graft between support horizontal pole and the support, the connecting bolt is being used in the cooperation, make the support horizontal pole can dismantle the setting, whole bicycle frame packing transportation's volume has been reduced, be convenient for transport work's going on, can guarantee the use steadiness after the installation again simultaneously, adopt limit structure, the couple is installed on the dead lever through the slip locking seat, and utilize the mode of locking to carry out the fixed of couple position, and the tooth meshing on the tooth on the ratchet and the dead lever on the slip locking seat, the ratchet is prevented upwards sliding to the spring, lock is pressed the back of going into, both play the theftproof effect, increase the security again, can also play the effect of theftproof when guaranteeing to carry out effective spacing to the wheel.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the connecting structure of the present utility model;

FIG. 3 is a schematic view of the structure of the support rail of the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 1;

fig. 5 is a schematic structural view of the limiting structure of the present utility model.

In the figure: 1. a bracket; 2. a connection structure; 201. a detachable connection block; 202. a lock head; 203. a first key; 204. a bolt assembly; 3. a support rail; 4. a plug-in frame; 5. a fixing frame; 6. a round hole; 7. a connecting bolt; 8. a limit structure; 801. a diagonal rod; 802. a sliding locking seat; 803. a hook; 804. a second key; 9. a front wheel support; 10. a rear wheel support; 11. a connecting buckle; 12. binding bands; 13. a round nut.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, the American bicycle tail bicycle frame comprises a bracket 1, the end of the bracket 1 is provided with a connecting structure 2, and the bracket 1 is provided with a support cross rod 3, the support cross rod 3 is fixed on the bracket 1 through a mounting structure, and the mounting structure is composed of a plug frame 4, a fixing frame 5 and a connecting bolt 7, a limit structure 8 is mounted on the support cross rod 3, a front wheel support 9 is arranged on the support cross rod 3, and a rear wheel support 10 is mounted on the bracket 1, as shown in fig. 4, the rear wheel support 10 is provided with a connecting buckle 11, and the rear wheel support 10 is connected with a binding belt 12, the end of the binding belt 12 is clamped on the connecting buckle 11, the plug frame 4 and the fixing frame 5 are fixed on the support cross rod 3, and the plug frame 4 is positioned on the inner side of the fixing frame 5, the end of the support cross rod 3 is provided with a round hole 6, and the end of the support cross rod 3 is connected with the plug frame 4, and the connecting bolt 7 is positioned in the round hole 6, and the connecting bolt 7 penetrates through the plug frame 4 and the fixing frame 5 and the plug frame 4, and the plug frame 10 is mounted through the fixing frame 5 and the plug frame 4, and the connecting bolt 7 ensures the stability of the support cross rod 3, the support cross rod 3 is fixedly connected with the support cross rod 3, and the local deformation 3, and the size of the support cross rod 3 can be guaranteed, and the size of the support cross rod 3 can be stably packaged.

Before installing the bicycle frame to the U.S. automobile tail, assemble the frame spare part that comes in the transport together, when assembling support horizontal pole 3, insert the tip of support horizontal pole 3 in mount 5, make grafting frame 4 and support horizontal pole 3 peg graft together (the effect of grafting frame 4 is the intensity that increases support horizontal pole 3, prevent that support horizontal pole 3 from appearing warping in the use, carry out local enhancement), afterwards, pass round hole 6 and mount 5 with connecting bolt 7, the hole on grafting frame 4, utilize connecting bolt 7 to carry out the installation of support horizontal pole 3 and fix, then carry out the installation of other structures, after the whole bicycle frame equipment finishes, whether the connection structure 2 is installed according to the model selection that the automobile tail connects, when the tail connects the size of U.S. automobile is 50, then install connection structure 2 to the end of support 1, utilize connection structure 2 to install support 1 on the tail connects, thereby accomplish the installation of bicycle frame, if the tail connects the size of U.S. automobile is 32, then dismantle connection structure 2, directly utilize support 1 to install fixedly can, after the bicycle frame installs the completion, place on the frame, tire is put on the backing wheel and support wheel 9 and hold in the position and hold in the palm 10 and carry out the position-stop structure is taken down, the tire 8 is realized to the position and is fixed to the tire is held in position the position and is fixed to the position the limit, the tire is held in position and is guaranteed to the position and is locked to the tire is held in the position and is locked to the position by the position and is fixed to the tire, and is used to the tire and is locked to the position to the tire is 8.

With the above embodiment, the round nut 13 is welded inside the bracket 1, as shown in fig. 2, the connection structure 2 includes a detachable connection block 201, a lock head 202 and a bolt assembly 204, the bolt assembly 204 is in threaded connection with the round nut 13 inside the bracket 1, and the bolt assembly 204 includes a bolt, a washer and a spring pad, the detachable connection block 201 is mounted on the bracket 1, the lock head 202 is in fit connection with the bolt in the bolt assembly 204, the connection structure 2 further includes a first key 203, the first key 203 is disposed on the lock head 202, the detachable connection block 201 is sleeved at the end of the bracket 1, as shown in fig. 5, the limit structure 8 includes a diagonal bar 801, a slide locking seat 802 and a hook 803, the diagonal bar 801 is disposed on the support cross bar 3, the hook 803 is mounted on the diagonal bar 801 by the slide locking seat 802, the limit structure 8 further includes a second key 804, the sliding locking seat 802 is sleeved on the inclined rod 801, the sliding locking seat 802 is fixedly connected with the hook 803, the second key 804 is installed on the sliding locking seat 802, through the arranged connecting structure 2, the sliding locking seat 802 is adapted to different tail joints, the detachable connecting block 201 can be connected with the tail joint with the size of 50 when installed at the tail end of the bracket 1, and when the detachable connecting block 201 is detached, the tail end of the bracket 1 can be connected with the tail joint with the size of 32, the use adaptability is high, the lock 202 is arranged in the connecting structure 2, the use stability of the connecting structure 2 can be guaranteed, the limiting structure 8 is adopted, the hook 803 is installed on the inclined rod 801 through the sliding locking seat 802, the position of the hook 803 is fixed in a locking mode, and the anti-theft effect can be achieved when the effective limiting of wheels is guaranteed.

When the connection structure 2 is installed, the detachable connection block 201 is sleeved at the tail end of the support 1, the bolt assembly 204 is connected with the round nut 13 in the support 1, the lock head 202 is matched with the bolt in the bolt assembly 204 for installation, the lock head 202 is locked by the first key 203, the connection structure 2 is prevented from falling off after being installed, the connection structure 2 is used for installing the whole bicycle frame, at the moment, the bicycle frame is connected with the tail joint with the size of 50, the bicycle frame is installed for installing the bicycle, if the size of the tail joint to be connected is 32, the lock head 202 is opened by the first key 203, the detachable connection block 201 is disassembled, then the support 1 is directly used for installation connection, when the bicycle is placed, the sliding locking seat 802 on the inclined rod 801 is moved downwards, the hook 803 is enabled to be contacted with the corresponding wheel, then the second key 804 is used for locking and fixing the sliding locking seat 802, at the moment, the limit structure 8 is used for limiting and locking the bicycle, when the bicycle is required to be stolen, and the hook 803 is enabled to be moved upwards when the bicycle is required to be opened, and the hook 803 is enabled to be locked by the user to be locked when the bicycle is required to be opened.

The foregoing has described the principles, features and advantages of the present utility model. It will be apparent to those skilled in the art from this disclosure that the foregoing is not a limitation of the utility model, and that the foregoing embodiments and descriptions illustrate the basic principles and features of the utility model, but that various modifications can be made therein without departing from the spirit of the utility model, and that such modifications are intended to be within the scope of the utility model as claimed.

Claims (6)

1. American bicycle tail bicycle frame, including support (1), the end of support (1) is equipped with connection structure (2), and is equipped with on support (1) and supports horizontal pole (3), its characterized in that: the inside welding of support (1) has round nut (13), connection structure (2) are including removable connecting block (201), tapered end (202) and bolt subassembly (204), bolt subassembly (204) and the inside round nut (13) threaded connection of support (1), and bolt subassembly (204) include bolt, packing ring and bullet pad, removable connecting block (201) are installed on support (1), the bolt cooperation in tapered end (202) and bolt subassembly (204) is connected, support horizontal pole (3) are fixed on support (1) through mounting structure, and mounting structure comprises grafting frame (4), mount (5) and connecting bolt (7), install limit structure (8) on support horizontal pole (3), and limit structure (8) include diagonal (801), slip locking seat (802) and couple (803), diagonal (801) set up on support horizontal pole (3), couple (803) are installed on diagonal (801) through slip locking seat (803).

2. The american type tailstock of claim 1, wherein: the support cross bar (3) is provided with a front wheel support (9), and the bracket (1) is provided with a rear wheel support (10).

3. The american type tailstock of claim 2, wherein: the rear wheel support (10) is provided with a connecting buckle (11), the rear wheel support (10) is connected with a binding belt (12), and the tail end of the binding belt (12) is clamped on the connecting buckle (11).

4. A american type tailstock according to claim 3, wherein: the connecting structure (2) further comprises a first key (203), the first key (203) is arranged on the lock head (202), and the detachable connecting block (201) is sleeved at the tail end of the bracket (1).

5. The american type tailstock of claim 4, wherein: the utility model discloses a plug frame, including support horizontal pole (4), mount (5), connecting bolt (7) are located round hole (6), and connecting bolt (7) run through in plug frame (4) and mount (5), plug frame (4) are fixed on support horizontal pole (3), and plug frame (4) are located the inboard of mount (5), the tip of support horizontal pole (3) is equipped with round hole (6), and the tip of support horizontal pole (3) is connected with plug frame (4).

6. The american type tailstock of claim 5, wherein: the limiting structure (8) further comprises a second key (804), the sliding locking seat (802) is sleeved on the inclined rod (801), the sliding locking seat (802) is fixedly connected with the hook (803), and the second key (804) is installed on the sliding locking seat (802).