CN213360811U - Gear shifting inhaul cable joint sleeve structure - Google Patents
Gear shifting inhaul cable joint sleeve structure Download PDFInfo
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- CN213360811U CN213360811U CN202021841464.2U CN202021841464U CN213360811U CN 213360811 U CN213360811 U CN 213360811U CN 202021841464 U CN202021841464 U CN 202021841464U CN 213360811 U CN213360811 U CN 213360811U
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- 238000009434 installation Methods 0.000 claims abstract description 5
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides a shift cable joint cover structure, includes the joint boot body, joint boot body circumference is equipped with the ring channel that is used for the installation, the joint boot body is equipped with the ladder shaft hole, the middle section in ladder shaft hole is the path hole, and both ends are first big footpath hole, second big footpath hole respectively, the diameter in first big footpath hole, second big footpath hole is greater than the bulb diameter of opponent's piece, the path hole in middle section is the direction taper hole, and this direction taper hole main aspects is located the entering end of the bulb of opponent, and the diameter of this main aspects is less than the diameter of the bulb of opponent, the hole shoulder between direction taper hole main aspects and the first big footpath hole is equipped with several bellied wedge brace rods, the inclined plane of wedge brace rod is the spigot surface for contact with the opponent.
Description
Technical Field
The utility model relates to a mechanical assembly structure, in particular to shift cable joint cover structure.
Background
The gear shifting inhaul cable is a transmission medium for realizing gear control of the gearbox, and simultaneously can transmit vibration and the like of the power assembly to the in-vehicle gear shifter. In order to realize the quick connection of the gear shifting inhaul cable with the gearbox and the gear shifter, joint sleeves are designed on joints at two ends of the inhaul cable, the joint sleeves are made of elastic bodies generally, the assembling efficiency of a host factory site is directly influenced due to the fact that the joint sleeves are structurally designed, the NVH performance of a finished automobile is influenced due to the structure of the joint sleeves, and the satisfaction degree of market terminal customers on automobile types is finally influenced. The conventional gear shifting inhaul cable joint sleeve adopts a stepped shaft hole structure, the middle section of the stepped shaft hole is a small-diameter hole, the upper end and the lower end of the stepped shaft hole are respectively provided with a large-diameter hole, the diameter of the large-diameter hole is larger than that of a bulb of an opponent part, and the diameter of the small-diameter hole is smaller than that of the bulb of the opponent part; in addition, when the joint sleeve and the ball head of the hand piece are combined in the using process, due to the action of horizontal external force, the shaft shoulder of the hand piece and the hole shoulder of the joint sleeve can rub, abnormal sound can be brought to the rubbing, and the NVH performance of the whole vehicle is directly influenced.
Disclosure of Invention
The utility model discloses a solve the problem that prior art exists above, provide a shift cable joint cover structure, can reduce the assembly insertion force, promote the NVH performance, the technical scheme of the utility model as follows:
the utility model provides a shift cable joint cover structure, includes the joint boot body, joint boot body circumference is equipped with the ring channel that is used for the installation, the joint boot body is equipped with the ladder shaft hole, the middle section in ladder shaft hole is the path hole, and both ends are first big footpath hole, second big footpath hole respectively, the diameter in first big footpath hole, second big footpath hole is greater than the bulb diameter of opponent's piece, the path hole in middle section is the direction taper hole, and this direction taper hole main aspects is located the entering end of the bulb of opponent, and the diameter of this main aspects is less than the diameter of the bulb of opponent, the hole shoulder between direction taper hole main aspects and the first big footpath hole is equipped with several bellied wedge brace rods, the inclined plane of wedge brace rod is the spigot surface for contact with the opponent.
The inclined plane of wedge brace rod and the hole shoulder of first major diameter hole's contained angle are 15 ~ 25.
The width of the wedge-shaped support rib is 1.2-1.8 mm.
The diameter of the large end of the small-diameter hole is 0.7-0.8 mm smaller than the diameter of the bulb of the opponent part, and the diameter of the small end of the small-diameter hole is 1.2-1.3 mm smaller than the diameter of the bulb of the opponent part.
The joint sleeve body is made of an elastomer.
The diameters of the first large-diameter hole and the second large-diameter hole are the same.
Adopt above-mentioned technical scheme: including the joint boot body, joint boot body circumference is equipped with the ring channel that is used for the installation, the joint boot body is equipped with the ladder shaft hole, the middle section in ladder shaft hole is the path hole, and both ends are first big footpath hole, second big footpath hole respectively, the diameter in first big footpath hole, second big footpath hole is greater than the bulb diameter of adversary's piece, the path hole in middle section is the direction taper hole, and this direction taper hole main aspects is located the entering end of the bulb of adversary's piece, and the diameter of this main aspects is less than the diameter of the bulb of adversary's piece, the hole shoulder between direction taper hole main aspects and the first big footpath hole is equipped with several bellied wedge brace rods, the inclined plane of wedge brace rod is the spigot surface for contact with adversary's piece. According to the gear shifting inhaul cable joint sleeve structure, the small-diameter hole of the stepped shaft hole is the guiding taper hole, so that the guiding effect is achieved when the gear shifting inhaul cable joint sleeve structure is assembled with a ball head of an opponent, the deformation of a hole shoulder of the stepped shaft hole is reduced, the required assembling insertion force is greatly reduced, the operation load of workers is reduced, the wedge-shaped support rib is arranged, when the gear shifting inhaul cable joint sleeve structure is assembled with the ball head of the opponent, the ball head of the opponent is required to be in contact with the inclined surface of the wedge-shaped support rib, the inclined surface of the wedge-shaped support rib plays a guiding effect, the contact area is also reduced, the friction force is reduced, the required assembling insertion force is reduced, and the operation load; after the assembly is finished, when the automobile connector is in work, the hand piece is acted by external force, compared with the prior art that the shaft shoulder of the hand piece is in surface contact with the hole shoulder of the connector sleeve body, the shaft shoulder of the hand piece in the application patent is in contact with a plurality of wedge-shaped support ribs, so that the problem of abnormal friction sound is eliminated, the NVH performance of the whole automobile is improved, and the satisfaction degree of market terminal customers to automobile types is improved; when the joint sleeve body is detached from the counter part, the ball head of the counter part extrudes the hole shoulder of the stepped shaft hole, the joint sleeve body deforms, and the wedge-shaped support ribs generate acting force on the counter part, so that the required extraction force is increased, and the reliability of the product is improved.
The inclined plane of wedge brace rod and the contained angle of the hole shoulder in first major diameter hole are 15 ~ 25, and the width of wedge brace rod is 1.2 ~ 1.8 millimeters, is convenient for play the guide effect when assembling the bulb with joint boot body and adversary's piece.
The diameter of the large end of the small-diameter hole is 0.7-0.8 mm smaller than the diameter of the bulb of the opponent part, and the diameter of the small end of the small-diameter hole is 1.2-1.3 mm smaller than the diameter of the bulb of the opponent part. The joint sleeve body is made of an elastic body and can generate elastic deformation when being assembled with the ball head of the opponent part, so that the ball head of the opponent part can penetrate through the small-diameter hole.
The invention is further described with reference to the drawings and the specific embodiments.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a view taken along line B-B of FIG. 1;
FIG. 3 is a schematic view of the assembly of the present invention with an opponent member;
fig. 4 is a schematic view of the assembly of a conventional shift cable joint cover and a counterpart member.
Detailed Description
The utility model discloses shift cable joint cover structure's an embodiment:
referring to fig. 1-4, a gear shifting cable joint sleeve structure comprises a joint sleeve body 1, wherein an annular groove 2 for installation is formed in the circumference of the joint sleeve body 1 and used for installing a cable, a stepped shaft hole is formed in the joint sleeve body 1, a small-diameter hole 3 is formed in the middle of the stepped shaft hole, a first large-diameter hole 4 and a second large-diameter hole 5 are formed in the two ends of the stepped shaft hole respectively, the diameters of the first large-diameter hole 4 and the second large-diameter hole 5 are larger than the diameter of a ball head 6 of an opponent, and the diameters of the first large-diameter hole 4 and the second large-diameter hole 5 are the same. The small-diameter hole 3 of the middle section is a guiding taper hole, the large end of the guiding taper hole is located at the entrance end of the bulb 6 of the opponent, the diameter of the large end is smaller than that of the bulb 6 of the opponent, the diameter of the large end of the small-diameter hole 3 is 0.7-0.8 mm smaller than that of the bulb 6 of the opponent, the diameter of the small end of the small-diameter hole 3 is 1.2-1.3 mm smaller than that of the bulb 6 of the opponent, the joint sleeve body 1 is made of an elastic body and can elastically deform when being assembled with the bulb 6 of the opponent, so that the bulb 6 of the opponent can penetrate through the small-diameter hole 3, in the embodiment, the diameter of the bulb 6 of the opponent is 5.76 mm, the diameter of the small end of the small-diameter hole 3 is 4.5 mm, and the diameter of the large end of the small. The hole shoulder between the big end of the guide taper hole and the first big-diameter hole 4 is provided with a plurality of protruding wedge-shaped support ribs 7, the embodiment is provided with four wedge-shaped support ribs 7 which are uniformly distributed on the hole shoulder, and the inclined plane of each wedge-shaped support rib 7 is a guide surface and is used for contacting with an opponent part. The inclined plane of wedge brace 7 and the contained angle alpha of the hole shoulder of first major diameter hole 4 are 15 ~ 25, and the width of wedge brace 7 is 1.2 ~ 1.8 millimeters, is convenient for play the guide effect when assembling adapter sleeve body 1 with bulb 6 of opponent's piece, and the alpha of this embodiment is 20, and the width of wedge brace 7 is 1.5 millimeters. According to the gear shifting inhaul cable joint sleeve structure, the small-diameter hole 3 of the stepped shaft hole is a guiding taper hole, so that the guiding effect is achieved when the gear shifting inhaul cable joint sleeve structure is assembled with the ball head 6 of an opponent, the deformation of a hole shoulder of the stepped shaft hole is reduced, the required assembling insertion force is greatly reduced, the operation load of workers is reduced, the wedge-shaped support rib 7 is arranged, when the gear shifting inhaul cable joint sleeve structure is assembled with the ball head 6 of the opponent, the ball head 6 of the opponent is in contact with the inclined surface of the wedge-shaped support rib 7, the inclined surface of the wedge-shaped support rib 7 plays a guiding effect, the contact area is also reduced, the friction force is reduced, the required assembling insertion force is reduced, and the operation load of the; after the assembly is finished, when the automobile connector is in work, the hand piece is acted by external force, compared with the prior art that the shaft shoulder of the hand piece is in surface contact with the hole shoulder of the connector sleeve body, the shaft shoulder of the hand piece is in contact with the four wedge-shaped support ribs 7 in the application patent, so that the problem of abnormal friction sound is eliminated, the NVH performance of the whole automobile is improved, and the satisfaction degree of market terminal customers to automobile types is improved; when dismantling joint boot body 1 from opponent's piece, 6 extrusion step shaft hole's of bulb of opponent's piece hole shoulders, joint boot body 1 takes place to warp, and four wedge brace rods 7 produce the effort to opponent's piece for required withdrawal force grow, have promoted the reliability of product. Through to current shift cable joint sleeve structure and this application patent shift cable joint sleeve structure's assembly, dismantlement experiment contrast, the experimental result is: present shift cable joint cover structure's average assembly insertion force is 64.3N, average withdrawal force is 72.3N, and this application patent shifts cable joint cover structure's average assembly insertion force is 39.9N, average withdrawal force is 91.4N, explains the utility model discloses reduced the assembly insertion force effectively, increased withdrawal force.
The utility model discloses be with the assembly step of the bulb 6 of adversary's piece, aim at the bulb 6 of adversary's piece with the big end of the path hole 3 of joint sleeve body 1 and push down, make the bulb 6 extrusion wedge brace 7 and the path hole 3 of adversary's piece, elastic deformation takes place for the bulb 6 of adversary's piece to let the position in the hole shoulder in the ladder shaft hole of joint sleeve body 1, the bulb 6 of last adversary's piece passes the tip of small diameter hole 3, the hole shoulder in the ladder shaft hole of joint sleeve body 1 resets, just so the assembly is accomplished.
Claims (6)
1. The utility model provides a shift cable joint cover structure, includes joint sleeve body (1), joint sleeve body (1) circumference is equipped with ring channel (2) that are used for the installation, its characterized in that: the joint sleeve is characterized in that the joint sleeve body (1) is provided with a stepped shaft hole, the middle section of the stepped shaft hole is a small-diameter hole (3), the two ends of the stepped shaft hole are respectively a first large-diameter hole (4) and a second large-diameter hole (5), the diameters of the first large-diameter hole (4) and the second large-diameter hole (5) are larger than the diameter of a bulb (6) of an opponent, the small-diameter hole (3) in the middle section is a guide taper hole, the large end of the guide taper hole is located at the entrance end of the bulb (6) of the opponent, the diameter of the large end is smaller than the diameter of the bulb (6) of the opponent, hole shoulders between the large end of the guide taper hole and the first large-diameter hole (4) are provided with a plurality of protruding wedge-shaped support ribs (7), and the inclined plane of the wedge-shaped support ribs (7.
2. A shift cable joint cover structure according to claim 1, characterized in that: the inclined plane of wedge brace rod (7) and the hole shoulder of first major diameter hole (4) are 15 ~ 25 degrees.
3. A shift cable joint cover structure according to claim 1, characterized in that: the width of the wedge-shaped support rib (7) is 1.2-1.8 mm.
4. A shift cable joint cover structure according to claim 1, characterized in that: the diameter of the large end of the small-diameter hole (3) is 0.7-0.8 mm smaller than that of the ball head (6) of the opponent piece, and the diameter of the small end of the small-diameter hole (3) is 1.2-1.3 mm smaller than that of the ball head (6) of the opponent piece.
5. A shift cable joint cover structure according to claim 1, characterized in that: the joint sleeve body (1) is made of an elastomer.
6. A shift cable joint cover structure according to claim 1, characterized in that: the diameters of the first large-diameter hole (4) and the second large-diameter hole (5) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021841464.2U CN213360811U (en) | 2020-08-28 | 2020-08-28 | Gear shifting inhaul cable joint sleeve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021841464.2U CN213360811U (en) | 2020-08-28 | 2020-08-28 | Gear shifting inhaul cable joint sleeve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213360811U true CN213360811U (en) | 2021-06-04 |
Family
ID=76147960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021841464.2U Active CN213360811U (en) | 2020-08-28 | 2020-08-28 | Gear shifting inhaul cable joint sleeve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213360811U (en) |
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2020
- 2020-08-28 CN CN202021841464.2U patent/CN213360811U/en active Active
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