阅读说明：本技术 变速器选换挡拉丝快速连接结构 (Transmission gear selecting and shifting wire drawing quick connection structure ) 是由 孙光仙 孙海燕 刘天伍 于 2021-08-06 设计创作，主要内容包括：本发明公开了一种变速器选换挡拉丝快速连接结构,包括拉丝固定支架、选档拉丝总成和换挡拉丝总成,拉丝固定支架的一端上形成有换挡拉丝固定槽,拉丝固定支架的另一端形成有选档拉丝固定槽；换挡拉丝固定槽与选档拉丝固定槽相对布置,且二者的开口方向相反,选档拉丝总成与选档拉丝固定槽卡接连接,换挡拉丝总成与换挡拉丝固定槽卡接连接,选档拉丝总成与换挡拉丝总成通过连接卡簧连接。本发明能够有效防止选档拉丝和换挡拉丝失效,保证变速器的正常工作。(The invention discloses a speed changer gear-selecting and gear-shifting wire drawing quick connection structure which comprises a wire drawing fixing support, a gear-selecting wire drawing assembly and a gear-shifting wire drawing assembly, wherein a gear-shifting wire drawing fixing groove is formed in one end of the wire drawing fixing support, and a gear-selecting wire drawing fixing groove is formed in the other end of the wire drawing fixing support; shift wire drawing fixed slot and select shelves wire drawing fixed slot mutual disposition, and the opening opposite direction of the two, select shelves wire drawing assembly and select shelves wire drawing fixed slot joint to be connected, the wire drawing assembly of shifting is connected with the wire drawing fixed slot joint of shifting, and select shelves wire drawing assembly and the wire drawing assembly of shifting are connected through being connected the jump ring. The invention can effectively prevent failure of gear selection wire drawing and gear shifting wire drawing and ensure normal work of the transmission.)

1. The utility model provides a derailleur selects wire drawing quick connect structure of shifting, includes wire drawing fixed bolster (1), selects shelves wire drawing assembly (2) and wire drawing assembly (3) of shifting, its characterized in that: a gear-shifting wire drawing fixing groove (4) is formed at one end of the wire drawing fixing support (1), and a gear-selecting wire drawing fixing groove (5) is formed at the other end of the wire drawing fixing support (1); the gear shifting wire drawing fixing groove (4) and the gear selecting wire drawing fixing groove (5) are oppositely arranged, the opening directions of the gear shifting wire drawing fixing groove and the gear selecting wire drawing fixing groove are opposite, the gear selecting wire drawing assembly (2) is connected with the gear selecting wire drawing fixing groove (5) in a clamping mode, the gear shifting wire drawing assembly (3) is connected with the gear shifting wire drawing fixing groove (4) in a clamping mode, and the gear selecting wire drawing assembly (2) is connected with the gear shifting wire drawing assembly (3) through a connecting clamp spring (6).

2. The transmission gear selecting and shifting wire drawing quick connection structure according to claim 1, characterized in that: wire drawing fixed bolster (1) includes backup pad (7), first connection otic placode (8) and second connection otic placode (9), first connection otic placode (8) with second connection otic placode (9) set up respectively the both ends of backup pad (7) bottom, shift wire drawing fixed slot (4) with select shelves wire drawing fixed slot (5) to form respectively the both ends of backup pad (7).

3. The transmission shift wire drawing quick connection structure according to claim 1 or 2, characterized in that: the groove bottoms of the gear shifting wire drawing fixing groove (4) and the gear selecting wire drawing fixing groove (5) are both of semicircular structures.

4. The transmission gear selecting and shifting wire drawing quick connection structure according to claim 2, characterized in that: select and be formed with on shelves wire drawing assembly (2) and select shelves wire drawing fixed part (10), be formed with on shelves wire drawing fixed part (10) and select shelves wire drawing fixed ring groove (11) and select shelves wire drawing fixed ring groove (12), select shelves wire drawing fixed ring groove (11) be used for with select shelves wire drawing fixed slot (5) cooperation, make select shelves wire drawing fixed part (10) joint in on backup pad (7), select shelves wire drawing fixed ring groove (12) be used for with the one end of connecting jump ring (6) is connected.

5. The transmission gear selecting and shifting drawing quick connection structure according to claim 4, characterized in that: shift and be formed with wire drawing fixed part (13) of shifting on wire drawing assembly (3), shift and be formed with wire drawing fixed ring groove (14) of shifting and wire drawing fixed ring groove (15) of shifting on wire drawing fixed part (13), wire drawing fixed ring groove (14) of shifting be used for with wire drawing fixed slot (4) of shifting cooperate, make wire drawing fixed part (13) of shifting joint is in on backup pad (7), wire drawing fixed ring groove (15) of shifting be used for with the other end of connecting jump ring (6) is connected.

6. The transmission gear selecting and shifting drawing quick connection structure according to claim 5, characterized in that: the connecting clamp spring (6) comprises a first semicircular end head (16), a second semicircular end head (17) and a connecting rod (18), the first semicircular end head (16) is fixedly connected with the second semicircular end head (17) through the connecting rod (18), the opening direction of the first semicircular end head (16) is opposite to that of the second semicircular end head (17), the first semicircular end head (16), the connecting rod (18) and the second semicircular end head (17) form an s-shaped structure, a handle part (19) is formed at the end part of the first semicircular end head (16), and the handle part (19) is arranged along the radial direction of the first semicircular end head (16).

Technical Field

The invention relates to a connecting structure, in particular to a quick connecting structure for a gear selecting and shifting wire drawing of a transmission.

Background

The existing gear selecting and shifting control structure of the light passenger transmission generally adopts a wire drawing connection structure as shown in fig. 1, the rear end of a wire drawing sheath 100 is inserted into a hole on a fixing support 200 on the transmission, and two spring locking plates 300 are inserted into annular grooves at the end of the wire drawing sheath 100 to respectively fix a gear selecting and shifting wire drawing on the fixing support 200, so that the rear end of the gear selecting and shifting wire drawing sheath is fixed on the transmission.

The existing light bus connecting structure mainly positions the locking plate by the friction force generated by the axial pressure of the elastic force of the spring locking plate 300 in the annular groove at the end of the wire drawing sheath 100, and the vibration of a vehicle easily causes the falling off of the spring locking plate 300 in the driving process of the vehicle, so that the problems of failure of the gear selecting and shifting functions and the like are caused, and the use of the vehicle is influenced.

Disclosure of Invention

The invention aims to provide a quick connecting structure for a gear selecting and shifting wire drawing of a transmission, which aims to overcome the defects in the prior art, can effectively prevent the failure of the gear selecting wire drawing and the gear shifting wire drawing and ensure the normal work of the transmission.

The invention provides a speed changer gear-selecting and gear-shifting wire drawing quick connection structure which comprises a wire drawing fixing support, a gear-selecting wire drawing assembly and a gear-shifting wire drawing assembly, wherein a gear-shifting wire drawing fixing groove is formed in one end of the wire drawing fixing support, and a gear-selecting wire drawing fixing groove is formed in the other end of the wire drawing fixing support; the gear shifting wire drawing fixing groove and the gear selecting wire drawing fixing groove are oppositely arranged, the opening directions of the gear shifting wire drawing fixing groove and the gear selecting wire drawing fixing groove are opposite, the gear selecting wire drawing assembly is connected with the gear selecting wire drawing fixing groove in a clamped mode, the gear shifting wire drawing assembly is connected with the gear shifting wire drawing fixing groove in a clamped mode, and the gear selecting wire drawing assembly is connected with the gear shifting wire drawing assembly through a connecting clamp spring.

In the aforementioned transmission gear-selecting and gear-shifting wire drawing quick connection structure, preferably, the wire drawing fixing support includes a support plate, a first connecting lug plate and a second connecting lug plate, the first connecting lug plate and the second connecting lug plate are respectively disposed at two ends of the bottom of the support plate, and the gear-shifting wire drawing fixing groove and the gear-selecting wire drawing fixing groove are respectively formed at two ends of the support plate.

In the above-mentioned transmission gear-selecting and shifting wire drawing quick connection structure, preferably, the groove bottoms of the gear-shifting wire drawing fixing groove and the gear-selecting wire drawing fixing groove are both of a semicircular structure.

Among the wire drawing quick connect structure that shifts is selected to aforementioned derailleur, preferably, be formed with selection shelves wire drawing fixed part on the selection shelves wire drawing assembly, be formed with selection shelves wire drawing positioning ring groove and selection shelves wire drawing fixed ring groove on the selection shelves wire drawing fixed part, selection shelves wire drawing positioning ring groove be used for with selection shelves wire drawing fixed slot cooperation makes selection shelves wire drawing fixed part joint is in the backup pad, selection shelves wire drawing fixed ring groove be used for with the one end of connecting the jump ring is connected.

Among the wire drawing quick connect structure that shifts is selected to aforementioned derailleur, preferably, be formed with the wire drawing fixed part of shifting on the wire drawing assembly of shifting, be formed with the wire drawing fixed ring groove of shifting and the wire drawing fixed ring groove of shifting on the wire drawing fixed part of shifting, the wire drawing fixed ring groove of shifting be used for with the cooperation of the wire drawing fixed groove of shifting makes the wire drawing fixed part joint of shifting is in the backup pad, the wire drawing fixed ring groove of shifting be used for with the other end of connecting the jump ring is connected.

In the above-mentioned speed changer gear selecting and shifting wire drawing quick connection structure, preferably, the connection clamp spring includes a first semicircular end, a second semicircular end and a connection rod, the first semicircular end is fixedly connected with the second semicircular end through the connection rod, an opening direction of the first semicircular end is opposite to an opening direction of the second semicircular end, the first semicircular end, the connection rod and the second semicircular end form an "s" type structure, a handle portion is formed at an end portion of the first semicircular end, and the handle portion is arranged along a radial direction of the first semicircular end.

Compared with the prior art, the gear-shifting wire drawing device comprises a wire drawing fixing support, a gear-shifting wire drawing assembly and a gear-shifting wire drawing assembly, wherein a gear-shifting wire drawing fixing groove is formed in one end of the wire drawing fixing support, and a gear-shifting wire drawing fixing groove is formed in the other end of the wire drawing fixing support; shift wire drawing fixed slot and select shelves wire drawing fixed slot mutual disposition, and the opening opposite direction of the two, select shelves wire drawing assembly and select shelves wire drawing fixed slot joint to be connected, the wire drawing assembly of shifting is connected with the wire drawing fixed slot joint of shifting, and select shelves wire drawing assembly and the wire drawing assembly of shifting are connected through being connected the jump ring. Through the wire drawing fixed slot of shifting and the select shelves wire drawing fixed slot of mutual disposition to the jump ring is connected in the cooperation, can effectively prevent to connect the jump ring and drop on the one hand, and on the other hand can prevent to select shelves wire drawing assembly and shift wire drawing assembly and break away from the wire drawing fixed bolster, has effectively guaranteed stable, the normal work of derailleur.

Drawings

FIG. 1 is a schematic diagram of a transmission shift selection operation according to the prior art;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of a wire drawing fixing bracket;

FIG. 4 is a schematic view of a partial configuration of a gear selection spool assembly and a gear shift spool assembly;

fig. 5 is a schematic structural diagram of the connection clamp spring.

Description of reference numerals: 1-wire drawing fixing support, 2-gear selecting wire drawing assembly, 3-gear shifting wire drawing assembly, 4-gear shifting wire drawing fixing groove, 5-gear selecting wire drawing fixing groove, 6-connecting clamp spring, 7-supporting plate, 8-first connecting lug plate, 9-second connecting lug plate, 10-gear selecting wire drawing fixing part, 11-gear selecting wire drawing positioning ring groove, 12-gear selecting wire drawing fixing ring groove, 13-gear shifting wire drawing fixing part, 14-gear shifting wire drawing positioning ring groove, 15-gear shifting wire drawing fixing ring groove, 16-first semicircular end, 17-second semicircular end, 18-connecting rod, 19-handle part, 100-wire drawing sheath, 200-fixing support and 300-spring locking plate.

Detailed Description

The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.

The embodiment of the invention comprises the following steps: as shown in fig. 2 to 5, a transmission gear-selecting and gear-shifting wire-drawing quick connection structure comprises a wire-drawing fixing support 1, a gear-selecting wire-drawing assembly 2 and a gear-shifting wire-drawing assembly 3, wherein a gear-shifting wire-drawing fixing groove 4 is formed at one end of the wire-drawing fixing support 1, and a gear-selecting wire-drawing fixing groove 5 is formed at the other end of the wire-drawing fixing support 1; shift wire drawing fixed slot 4 and select shelves wire drawing fixed slot 5 mutual disposition, and the opening opposite direction of the two, wire drawing fixed bolster 1 appearance is roughly "worker" style of calligraphy structure, and select shelves wire drawing assembly 2 and select shelves wire drawing fixed slot 5 joint to be connected, and shift wire drawing assembly 3 is connected with 4 joint of shift wire drawing fixed slot, and select shelves wire drawing assembly 2 and shift wire drawing assembly 3 are connected through connecting jump ring 6.

Select shelves wire drawing assembly 2 joint in select shelves wire drawing fixed slot 5, the wire drawing assembly 3 joint of shifting is in the wire drawing fixed slot 4 of shifting, then uses the connection jump ring 6 to connect select shelves wire drawing assembly 2 and the wire drawing assembly 3 of shifting, makes the two can't keep away from each other, just also can't break away from in selecting shelves wire drawing fixed slot 5 and the wire drawing fixed slot 4 of shifting, has improved the reliability of shifting.

In a specific embodiment, the wire drawing fixing support 1 comprises a supporting plate 7, a first connecting lug plate 8 and a second connecting lug plate 9, the first connecting lug plate 8 and the second connecting lug plate 9 are respectively arranged at two ends of the bottom of the supporting plate 7, the first connecting lug plate 8 and the second connecting lug plate 9 are used for fixing the wire drawing fixing support 1 on a vehicle frame, and the gear shifting wire drawing fixing groove 4 and the gear selecting wire drawing fixing groove 5 are respectively formed at two ends of the supporting plate 7. The groove bottoms of the gear shifting wire drawing fixing groove 4 and the gear selecting wire drawing fixing groove 5 are both of a semicircular structure.

Further, a gear selecting wire drawing fixing portion 10 is formed on the gear selecting wire drawing assembly 2, a gear selecting wire drawing positioning ring groove 11 and a gear selecting wire drawing fixing ring groove 12 are formed on the gear selecting wire drawing fixing portion 10, the gear selecting wire drawing positioning ring groove 11 is used for being matched with the gear selecting wire drawing fixing groove 5, the gear selecting wire drawing fixing portion 10 is connected to the supporting plate 7 in a clamped mode, and the gear selecting wire drawing fixing ring groove 12 is used for being connected with one end of the connecting clamp spring 6.

Shift and be formed with wire drawing fixed part 13 of shifting on the wire drawing assembly 3, shift and be formed with wire drawing positioning ring groove 14 and the wire drawing fixed ring groove 15 of shifting on the wire drawing fixed part 13 of shifting, shift wire drawing positioning ring groove 14 be used for with the wire drawing fixed slot 4 cooperation of shifting, make the wire drawing fixed part 13 joint of shifting on backup pad 7, shift wire drawing fixed ring groove 15 be used for with be connected the other end of jump ring 6.

Select to be formed with on the shelves wire drawing fixed part 10 and select shelves wire drawing positioning ring groove 11, be formed with on the wire drawing fixed part 13 of shifting wire drawing positioning ring groove 14, the tank bottom design of wire drawing fixed slot 4 of will shifting and select shelves wire drawing fixed slot 5 is semicircular structure, make and select shelves wire drawing positioning ring groove 11 and shift wire drawing positioning ring groove 14 can fully contact with backup pad 7, and the contact area is improved, on the one hand protects and selects shelves wire drawing fixed part 10 and the wire drawing fixed part 13 of shifting, and on the other hand improves the reliability, prevent to cause axial displacement because of the annular damages.

Furthermore, the connecting clamp spring 6 comprises a first semicircular end 16, a second semicircular end 17 and a connecting rod 18, the first semicircular end 16 is fixedly connected with the second semicircular end 17 through the connecting rod 18, the opening direction of the first semicircular end 16 is opposite to the opening direction of the second semicircular end 17, the first semicircular end 16, the connecting rod 18 and the second semicircular end 17 form an s-shaped structure, a handle part 19 is formed at the end part of the first semicircular end 16, and the handle part 19 is arranged along the radial direction of the first semicircular end 16.

Adopt the connection jump ring 6 of s type, can improve the reliability, prevent to connect jump ring 6 and drop from selecting shelves wire drawing assembly 2 and the wire drawing assembly 3 of shifting, during the use, first semicircular end 17 colludes with the wire drawing fixed ring groove 15 of shifting, then align first semicircular end 16 with selecting shelves wire drawing fixed ring groove 12, then press first semicircular end 16 with strength, it is impressed in selecting shelves wire drawing fixed ring groove 12, select shelves wire drawing assembly 2 and the wire drawing assembly 3 of shifting are effectively connected this moment, the two can't keep away from each other, when needing to dismantle, only need with hand reverse promotion stalk portion 19, make first semicircular end 16 break away from in selecting shelves wire drawing fixed ring groove 12 can.

The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.