TWM462632U - Improved structure of chain decomposer for bicycle - Google Patents

Description

Bicycle chain structure improvement

This creation is about a structural improvement of a bicycle chainer, especially a chainer that is used for external chain detaching to achieve a more stable chain.

According to the bicycle, bicycles are currently the lightest, low-consumption, and environmentally-friendly vehicles. Therefore, bicycles are often used as a means of transportation or medium-way replacement, and even for leisure and fitness, they are widely accepted and loved. The fashion is that, in addition to strengthening the structural safety of the car body, the requirements for the use of the car are more and more important for the comfort and ease of use during riding, which should be used to drive the bicycle before and after. The chain of wheels is one of the important parts of the ring, so the peripheral removal tool is considered important.

At present, the conventional bicycle de-chainer structure (refer to FIG. 6) is provided with a positioning notch 31 on one side of a chain-removing body 3, and the corresponding surface of the positioning notch 31 is screwed. The other end face is screwed to the movable pin body 33, the other end face is screwed with a push pin 33, the head end is provided with a round bar 34, and the other end face is screwed Holding the knob 35; when the chain detaching operation is to be performed, the circular holding handle 32 screwed by the detachable chain body 3 is held by one hand, and the chain 4 is placed in the positioning vacant slot 31 of the detacher body 3, and Rotating the abutment knob 35 to move it inwardly to the fixed chain 4, and then rotating the round rod 34 of the movable plug body 33, and the movable plug body 33 is screwed inwardly, and the end is pushed by the pin. 331 pushes the shaft 41 of the chain 4 to disengage the shaft 41 from the chain 4, and completes the detachment.

However, as far as the above is concerned, the conventional bicycle derailleur structure has the following problems:

1. When the chain 4 is positioned, when the chain 4 is to be de-chained, it is easy to cause the chain 4 to float due to dimensional problems and cannot be fixed.

2. When the abutting knob 35 is adjusted to abut against the fixed chain 4, the chain is easily damaged due to not being completely forced to fix.

The present invention provides an improved bicycle chain structure, which comprises a body, a positioning member, a holding rod and an adjusting device. The front end surface of the seat body is provided with a positioning groove to form an offset. An end portion and a pivoting portion, the abutting portion is provided with a positioning hole for the positioning member to be fixed; and the pivoting portion is provided with a threaded groove for the adjusting device to be pivoted, And a screw hole is arranged at the bottom end of the base for the screw to be fixedly fixed; the positioning member is provided with a shaft seat that resists the abutting end of the seat body and is disposed on the shaft seat The locating hole of the seat body has a T-shaped shape; and the positioning groove of the seat body is provided with a receiving wall to form a first groove and a second groove, and the upper end of the receiving wall is An arc-shaped notch groove is disposed, and the shaft post of the positioning member is inserted into the positioning hole provided in the abutting end portion of the seat body to present the first groove formed by the positioning groove of the seat body Between the wall and the wall, the 俾 reaches the outside The chain is placed in the notch groove of the receiving wall and is in a state of being stably resisted with the shaft post of the positioning member; wherein the positioning post of the positioning member and the positioning hole of the abutting portion of the seat body, The two are combined and fixed by means of an embedded assembly method, and an external thread is added to the shaft column of the positioning member; and an internal thread is added to the positioning hole provided at the abutting end portion of the seat body, The fixing device is combined with the adhesive, and the positioning member is formed integrally with the seat body; wherein the positioning member is fixedly positioned at the abutting end of the seat body. After the hole, the upper end of the positioning member is provided with an upwardly hollowing recess; wherein the end of the holding rod is provided with a screw end for screwing and fixing to the screw hole of the bottom end of the base; The other end is provided with a rough surface which is surrounded by a full body; wherein the adjusting device is composed of a plug body and a round rod which is disposed on the plug body; wherein the bolt system of the adjusting device is provided with an extending shaft and a movable shaft The screw lock is moved and extended in the screw groove provided in the pivoting portion of the seat body State; and in the front end of the movable shaft is provided with a push-based offset; wherein the adjusting means at both ends of the circular rod of a line of each additional package.

The main purpose of this creation is to provide a more stable chainer for external chain splicing.

Due to the improved structure of the bicycle chainer of the present invention, the first chaining device comprises a body, a positioning member, a holding rod and an adjusting device, and a positioning groove is formed at the front end surface of the seat body to form an offset An end portion and a pivoting portion, the abutting portion is provided with a positioning hole for the positioning member to be fixed; and the pivoting portion is provided with a threaded groove for the adjusting device to be pivoted, And a screw hole is arranged at the bottom end of the base for the screw to be fixedly fixed; the positioning member is provided with a shaft seat that resists the abutting end of the seat body and is disposed on the shaft seat The The shaft of the positioning hole of the seat body has a T-shaped shape; and the positioning groove of the seat body is provided with a receiving wall to form a first groove and a second groove, and the upper end of the bearing wall is fastened An arc-shaped notch groove is matched with the shaft post of the positioning member before being disposed to the positioning hole provided at the abutting end portion of the seat body to present the first groove formed by the positioning groove of the seat body The distance between the bearing walls and the outer chain is matched when the outer chain is placed on the notch groove of the receiving wall, and is stably resisted by the shaft column of the positioning member, thereby providing a foreign chain to be disassembled. Chain work to achieve a more stable chain drive.

This creation:

1‧‧‧Chainer

11‧‧‧

111‧‧‧ positioning slot

1111‧‧‧First groove

1112‧‧‧Second trench

1113‧‧‧ screw hole

112‧‧‧Support wall

1121‧‧‧ notch slot

113‧‧‧Parts

1131‧‧‧Positioning holes

1132‧‧‧ internal thread

114‧‧‧Pivot Department

1141‧‧‧ screw groove

12‧‧‧ Positioning parts

121‧‧‧ shaft seat

122‧‧‧ shaft column

1221‧‧‧ external thread

123‧‧‧ slotted

13‧‧‧ Holding pole

131‧‧‧ screw end

132‧‧‧Rough surface

14‧‧‧Adjustment device

141‧‧‧ 栓

1411‧‧‧Activity axis

1412‧‧‧Deduction of sales

142‧‧‧ round rod

1421‧‧‧ kit

2‧‧‧Chain

21‧‧‧ shaft

Convention:

3‧‧‧Demolition chain body

31‧‧‧ Positioning missing

32‧‧‧Round grip handle

33‧‧‧Active body

331‧‧‧

34‧‧‧ round rod

35‧‧‧Resist the knob

4‧‧‧Chain

41‧‧‧ shaft

The first picture is a three-dimensional combination of the creation.

Figure 2 is an exploded view of the creation.

Figure 3 is a perspective view of a preferred embodiment of the present invention.

Figure 4 is a top plan view of a preferred embodiment of the present invention.

Figure 5 is an exploded perspective view of another structure of the present creation.

Figure 6 is a perspective view of a conventional structure.

First of all, please refer to Figure 1 and Figure 2, which is the "Bike Chainer Structure Improvement" for this creation. It refers to a chainer 1 comprising a body 11, a positioning member 12, a gripping rod 13 and An adjusting device 14 is formed; wherein: the body 11 is integrally formed in a polygonal strip shape and is provided with a positioning member 12 and a holding rod 13 And the adjusting device 14 is assembled and coupled, and a positioning slot 111 is formed at the front end of the base body 11 to form an abutting portion 113 and a pivoting portion 114. The positioning slot 111 is provided with a receiving wall 112 to form a first a groove 1111 and a second groove 1112, and an arc-shaped notch groove 1121 is disposed at an upper end of the receiving wall 112; and the receiving portion 113 is provided with a positioning hole 1131 and is in a through state. The hole 1131 is provided with a positioning member 12 for fixing; the pivoting portion 114 is provided with a screw groove 1141 and is in a penetrating state, and the screw groove 1141 is provided with a screwing device for adjusting the adjusting device 14; A screw hole 1113 is provided at a bottom end thereof, and the screw hole 1113 is screwed and fixed by a holding rod 13; a positioning member 12 is integrally T-shaped and is fixedly fixed to the abutting end of the seat body 11. The positioning member 12 is provided with a shaft seat 121 and a shaft column 122. The shaft column 122 is disposed at one end of the shaft seat 121 and is extended and protruded. When the positioning hole 1131 provided in the abutting end 113 of the base body 11 is fixed, the shaft seat 121 is resisted against the abutting end 113 of the seat body 11. The column 122 is disposed in the positioning hole 1131 of the base body 11 and is in a slightly convex state; the circumferential diameter of the shaft seat 121 is greater than the circumferential diameter of the shaft column 122; wherein the shaft post 122 of the positioning member 12 and the seat body 11 The positioning hole 1131 of the abutting portion 113 is formed by being embedded and assembled with the adhesive, wherein the positioning member 12 and the abutting end 113 of the base 11 are integrally formed. And the upper end of the positioning member 12 is provided with an upwardly hollowing recessed groove 123; a holding rod 13 is generally cylindrical and screwed and fixed at the bottom end of the base body 11 In the screw hole 113, a screw end 131 is fixed at one end of the holding rod 13 to be screwed and fixed to the screw hole 1113 of the bottom end of the base body 11. The other end of the holding rod 13 is provided with a surrounding The rough surface 132; and an adjusting device 14 are pivotally locked in the screw groove 1141 provided in the pivoting portion 114 of the base body 11. The adjusting device 14 is disposed by a plug body 141 and a round rod 142. The embossing body 141 is configured to extend and extend the movable shaft 1411, and the movable shaft 1411 is screwed into the screw groove 1141 provided in the pivoting portion 114 of the base body 11 to be moved and expanded; and the movable shaft A push pin 1412 is disposed at the front end of the 1411; the round bar 142 of the adjusting device 14 is disposed at the plug body 141, and a sleeve 1421 is further added to both ends of the round bar 142.

Furthermore, please refer to Figures 3 to 4 for a description of the preferred implementation of the "Bike Chainer Structure Improvement" for this creation. This creation refers to a chainer 1 system comprising a body 11, A positioning member 12, a holding rod 13 and an adjusting device 14 are provided. A positioning groove 111 is formed at the front end surface of the base body 11 to form an abutting portion 113 and a pivoting portion 114. The positioning member 12 is fixedly disposed; the pivoting portion 114 is provided with a through slot 1141 for the adjusting device 14 to be pivotally locked; and the holding rod 13 is screwed to the base 11 At the bottom end, the positioning member 12 is provided with a shaft seat 121 that resists the abutting end 113 of the seat body 11 and a shaft post 122 that is disposed through the positioning hole 1131 of the seat body 11; The positioning groove 111 is provided with a receiving wall 112 to form a first groove 1111 and a second groove 1112. The upper end of the receiving wall 112 An arc-shaped notch groove 1121 is provided, and the shaft post 122 of the positioning member 12 is inserted into the positioning hole 1131 provided in the abutting end portion 113 of the seat body 11, and the upper end of the positioning member 12 is attached. The insertion body 141 is provided with a slot 141 for the upper hollowing; the plug body 141 of the adjusting device 14 is disposed for a round rod 142, and the plug body 141 is provided with an extended protruding movable shaft 1141 and is screwed to the seat body. The screw groove 1141 provided in the pivoting portion 114 of the 11 is moved and expanded; and a pushing pin 1412 is disposed at the front end of the movable shaft 1141; wherein the shaft post 122 of the positioning member 12 is opposite to the base 11 The positioning hole 1131 of the end portion 113 is formed by being embedded and assembled with the adhesive, and the first groove 1111 and the receiving wall 112 formed by the positioning groove 111 of the base 11 are formed. The distance between the outer chain 2 and the notch groove 1121 of the receiving wall 112 is matched and stabilized against the shaft post 122 of the positioning member 12; when the chain 2 is to be de-chained At the same time, the hand is held by the rough surface 132 of the holding rod 13 while the other hand holds the adjusting device 14 The rod 142 is rotated to drive the movable shaft 1411 of the plug body 141 to be screwed inwardly, so that the pushing rod 1412 of the front end of the movable rod 1411 pushes against the shaft 21 connected between the chains 2, so that the shaft 21 is disengaged from the chain 2 The actor who completes the chain detaching, in particular, the user can know that the chain 2 is disassembled by providing an upwardly hollowing groove 123 at the upper end of the positioning member 12, thereby providing A chainer 1 that achieves more stability when the external chain 2 is used in conjunction with the de-chaining operation.

Finally, please refer to Figure 5 for another structural description of the "Bike Chainer Structure Improvement" for this creation. This creation refers to a chainer 1 comprising a body 11 and a positioning member 12. A holding rod 13 and an adjusting device 14 are formed; wherein: the body 11 is integrally formed in a polygonal strip shape and assembled by a positioning member 12, a holding rod 13 and an adjusting device 14, the seat body 11 A positioning groove 111 is formed at the front end to form an abutting portion 113 and a pivoting portion 114. The positioning groove 111 defines a receiving wall 112 to form a first groove 1111 and a second groove 1112. An arcuate notch groove 1121 is disposed at an upper end of the receiving wall 112. The receiving end 113 is provided with a positioning hole 1131 and is inserted therein. An internal thread 1132 is added to the positioning hole 1131 for positioning. The member 12 is fixedly disposed; the pivoting portion 114 is provided with a threaded slot 1141 for penetrating the screwing device. The screwing portion 1141 is for pivoting a adjusting device 14; A screw hole 1113 is provided for a holding rod 13 to be screwed and fixed; a positioning member 12 is integrally T-shaped and assembled and fixed to the positioning of the abutting end 113 of the seat body 11. At the hole 1131, the positioning member 12 is provided with a shaft seat 121 and a shaft column 122. The shaft column 122 is disposed at one end of the shaft seat 121 and has an extension. When the positioning member 12 is assembled and fixed to the positioning hole 1131 of the abutting portion 113 of the seat body 11, the shaft seat 121 is resisted against the abutting portion 113 of the seat body 11, the shaft column The sleeve is disposed in the positioning hole 1131 of the base body 11 and is in a slightly convex state; the circumference of the shaft base 121 is larger than the circumference of the shaft column 122; wherein the shaft post 122 of the positioning member 12 is provided with an external thread 1221. The positioning post 1113 of the positioning post 12 and the abutting portion 113 of the base 11 are screwed together and glued The upper end of the positioning member 12 is provided with an upwardly hollowing recessed groove 123; a holding rod 13 is integrally cylindrical and screwed to the screw hole provided at the bottom end of the base body 11. In the 1113, the end of the holding rod 13 is provided with a screw end 131 for screwing and fixing to the screw hole 1113 of the bottom end of the base body 11; and the other end of the holding rod 13 is provided with a rough surface surrounding the full surface. And a adjusting device 14 is pivotally disposed in a screw groove 1141 provided in the pivoting portion 114 of the base body 11. The adjusting device 14 is formed by a plug body 141 and a round rod 142. The plug body 141 is provided with an extended protruding shaft 1411. The movable shaft 1411 is screwed into the screw groove 1141 provided in the pivoting portion 114 of the base body 11 to be moved and expanded; and at the front end of the movable shaft 1411. A push rod 1412 is disposed. The round rod 142 of the adjusting device 14 is disposed at the plug body 141. Further, a sleeve 1421 is added to both ends of the round rod 142.

In the above structure, an external thread 1221 is added to the shaft post 122 of the positioning member 12; and an internal thread 1132 is added to the positioning hole 1131 of the abutting portion 113 of the base body 11, which is screwed The method is combined with the adhesive for fixation, and is presented in another structural combination.

In summary, the improvement of the structure of a bicycle chainer has not been seen in various books or publicly used. It is in line with the requirements of the new patent application, and it is requested to express the patent as soon as possible. For the sake of clarity, the above is the specific embodiment of the creation and the technical principles applied. If the changes made according to the concept of this creation, the functional role produced by it is still beyond the specification and drawings. The spirit covered by the style shall be incorporated into Chen Ming within the scope of this creation.

1‧‧‧Chainer

11‧‧‧

111‧‧‧ positioning slot

1111‧‧‧First groove

1112‧‧‧Second trench

1113‧‧‧ screw hole

112‧‧‧Support wall

1121‧‧‧ notch slot

113‧‧‧Parts

1131‧‧‧Positioning holes

114‧‧‧Pivot Department

1141‧‧‧ screw groove

12‧‧‧ Positioning parts

121‧‧‧ shaft seat

122‧‧‧ shaft column

123‧‧‧ slotted

13‧‧‧ Holding pole

131‧‧‧ screw end

132‧‧‧Rough surface

14‧‧‧Adjustment device

141‧‧‧ 栓

1411‧‧‧Activity axis

1412‧‧‧Deduction of sales

142‧‧‧ round rod

1421‧‧‧ kit

Claims (9)

The invention relates to a bicycle chain splicer, which comprises a body, a positioning member, a holding rod and an adjusting device. The front end surface of the seat body is provided with a positioning groove to form an abutting portion and a pivoting portion, the abutting portion is provided with a positioning hole for the positioning member to be fixed; and the pivoting portion is provided with a threaded groove for the adjusting device to be pivoted, and The bottom end of the base body is provided with a screw hole for screwing the holding rod; wherein the positioning member is provided with a shaft seat that resists the abutting end portion of the seat body and is disposed on the seat body. The shaft column of the positioning hole is T-shaped; and the positioning groove of the seat body is provided with a receiving wall to form a first groove and a second groove, and an arc is arranged at the upper end of the receiving wall a notch groove, and the shaft post of the positioning member is inserted into the positioning hole provided at the abutting end portion of the seat body to present the first groove formed by the positioning groove of the seat body and the bearing The distance between the walls is such that the outer chain is placed in the notch groove of the receiving wall and is aligned with the positioning member. The shaft column is in a stable state. The bicycle chain drive according to claim 1 is improved in structure, wherein the shaft post of the positioning member and the positioning hole provided at the abutting end portion of the seat body are embedded and assembled together with the adhesive for fixing. . The structure of the bicycle chain drive according to claim 1 is improved, wherein an additional external thread is added to the shaft column of the positioning member; and an internal thread is added to the positioning hole provided in the abutting end portion of the seat body. It is fixed by screwing and matching with adhesive. The bicycle chain drive according to claim 1 is improved in structure, wherein the positioning member is more integrally formed with the base body. 2, 3 or 4, wherein the bicycle chain driver is improved in structure, wherein the positioning member is fixed to the positioning hole provided at the abutting end portion of the seat body, and an upper side is disposed at an upper end of the positioning member. Empty slot. The structure of the bicycle chain drive according to claim 1 is improved, wherein one end of the holding rod is provided with a screw end to be screwed and fixed to the screw hole of the bottom end of the seat body; and the other end is provided with a surrounding cloth. Full of rough surface. The bicycle chain drive according to claim 1 is improved in structure, wherein the adjusting device is composed of a plug body and a round rod which is disposed on the plug body. The structure of the bicycle chain drive according to claim 7 is improved, wherein the bolt system of the adjusting device is provided with a protruding shaft extending and protruding into the screw groove provided in the pivoting portion of the seat body to be moved and expanded; And a push-off pin is arranged at the front end of the movable shaft. The structure of the bicycle chain drive according to claim 7 is improved, wherein a kit is added to each end of the round rod of the adjusting device.