CN218817935U

CN218817935U - Rack and pinion mechanism for machine case

Info

Publication number: CN218817935U
Application number: CN202222244181.5U
Authority: CN
Inventors: 韦步芳; 杨金福; 万正正
Original assignee: Suzhou Wanhong Intelligent Equipment Co ltd
Current assignee: Suzhou Wanhong Intelligent Equipment Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-04-07
Anticipated expiration: 2032-08-25

Abstract

The utility model relates to a quick-witted case device technical field discloses a rack and pinion mechanism for quick-witted case, including quick-witted case body, the left and right ends of lower part all is provided with first opening in the side around the quick-witted case body, the middle part front and back end on the side about quick-witted case body all is provided with the second opening, lower part all is provided with the second spout in the side about quick-witted case body inner wall, equal sliding connection has first draw runner in the second spout, and the both ends of first draw runner run through corresponding first opening respectively and outwards extend. The utility model discloses in, the master gear rotates and drives the pinion and rotate, drives first rack and carries out the bidirectional movement in step when pinion rotates, drives first draw runner and slides in the second spout when first rack removes to this realizes synchronous bidirectional adjustment's purpose, drives the draw runner and carries out the synchronous slip among the spout when the rack removes, and stability is strong, and the rack is difficult for taking place to drop when removing.

Description

Rack and pinion mechanism for machine case

Technical Field

The utility model relates to a quick-witted case device technical field especially relates to a rack and pinion mechanism for quick-witted case.

Background

The machine case is a gear box for changing the transmission ratio and the movement direction, is positioned between the clutch and the central transmission, and has the main functions of: changing the driving force and the running speed of the vehicle (shifting) with the engine speed and the torque unchanged; the vehicle can run in reverse (reverse); the engine can be stopped (in neutral) without flameout, according to the transmission form, the gear type gearbox can be divided into a double-shaft type, a three-shaft type and a combined type, wherein the double-shaft type has two main shafts (not including a reverse shaft) and only reduces speed through a pair of gears, the three-shaft type has three main shafts (a first shaft, a middle shaft and a second shaft) and reduces speed through two pairs of gears, and the two gearboxes are connected in series or in parallel during the combination so as to obtain more gears with fewer gears.

Traditional quick-witted case gear link gear can only carry out one-way linkage when moving, can't lead to synchronous two-way regulation, and the gear is when linkage rack removes, and stability is relatively poor, and the rack drops easily when removing, and it is more inconvenient to use, so need improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rack and pinion mechanism for a case.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a rack and pinion mechanism for quick-witted case, includes quick-witted case body, the left and right ends of lower part all is provided with first opening in the side around the quick-witted case body, the middle part front and back end on the side about quick-witted case body all is provided with the second spout, equal sliding connection has first draw runner in the second spout, and the both ends of first draw runner run through corresponding first opening respectively and outwards extend, the equal fixedly connected with first rack in adjacent one side of first draw runner, the middle part of the side about quick-witted case body inner wall all is provided with first spout, equal sliding connection has the second draw runner in the first spout, and the both ends of second draw runner run through corresponding second opening respectively, the equal fixedly connected with second rack in adjacent one side of second draw runner, the inboard middle part of quick-witted case body is provided with the main shaft, and the both ends of main shaft all run through quick-witted case body and outwards extend, the middle part fixedly connected with master gear, the well lower part of main shaft is provided with the spring, the inboard middle and left and right ends of quick-witted case body all rotate and be connected with the driven shaft, the equal fixedly connected with the sub-gear.

As a further description of the above technical solution:

and the middle part of the upper end of the case body is provided with a driving mechanism.

As a further description of the above technical solution:

and a linkage mechanism is arranged at the lower end of the main shaft.

As a further description of the above technical solution:

the cross sections of the first sliding strip, the second sliding strip, the first sliding groove and the second sliding groove are all T-shaped.

As a further description of the above technical solution:

and wear-resistant rubber sleeves are arranged on the inner sides of the first opening and the second opening.

As a further description of the above technical solution:

the main gear is respectively meshed with the second rack and the pinion, and the pinion is meshed with the first rack.

As a further description of the above technical solution:

the lower ends of the front side and the rear side of the case body are fixedly connected with connecting seats.

The utility model discloses following beneficial effect has:

the utility model discloses in, when the machine case body carries out the operation, actuating mechanism provides the power supply for the main shaft, the main shaft rotates and drives the master gear and rotates, the master gear rotates and drives the second rack and carry out bidirectional movement in step, it slides at first spout middle part to drive the second draw runner when the second rack removes, when link gear receives other mechanism's drives and carries out the downstream, drive the main shaft, the master gear carries out the downstream in step, compression spring simultaneously, the master gear rotates and drives the pinion and rotate this moment, it carries out bidirectional movement in step to drive first rack when pinion rotating, it slides in the second spout to drive first draw runner when first rack removes, with this mesh that realizes synchronous bidirectional adjustment, drive the draw runner and carry out the synchronous slip among the spout when the rack removes, high stability, the rack is difficult for taking place to drop when removing.

Drawings

Fig. 1 is a front side view of a rack and pinion mechanism for a chassis according to the present invention;

fig. 2 is a rear side view of a rack and pinion mechanism for a chassis according to the present invention;

fig. 3 is a cross-sectional view of the internal structure of the chassis body of the rack and pinion mechanism for the chassis according to the present invention.

Illustration of the drawings:

1. a chassis body; 2. a first opening; 3. a connecting seat; 4. a linkage mechanism; 5. a first rack; 6. a first slide bar; 7. a second slide bar; 8. a second rack; 9. a second opening; 10. a drive mechanism; 11. a main shaft; 12. a first chute; 13. a second chute; 14. a spring; 15. a pinion gear; 16. a driven shaft; 17. a main gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a gear rack mechanism for a chassis comprises a chassis body 1, wherein the left and right ends of the middle lower part of the front and back sides of the chassis body 1 are respectively provided with a first opening 2, the front and back ends of the middle part of the left and right sides of the chassis body 1 are respectively provided with a second opening 9, the middle lower part of the left and right sides of the inner wall of the chassis body 1 is respectively provided with a second sliding chute 13, the second sliding chutes 13 are respectively connected with a first sliding strip 6 in a sliding manner, the two ends of the first sliding strip 6 respectively penetrate through the corresponding first openings 2 and extend outwards, the adjacent sides of the first sliding strips 6 are respectively fixedly connected with a first rack 5, the middle parts of the front and back sides of the inner wall of the chassis body 1 are respectively provided with a first sliding chute 12, the first sliding chutes 12 are respectively connected with second sliding strips 7 in a sliding manner, the two ends of the second sliding strips 7 respectively penetrate through the corresponding second openings 9, the adjacent sides of the second sliding strips 7 are respectively fixedly connected with a second rack 8, the middle part of the inner side of the chassis body 1 is provided with a main shaft 11, the two ends of the main shaft 11 penetrate through the case body 1 and extend outwards, the middle part of the main shaft 11 is fixedly connected with a main gear 17, the middle lower part of the main shaft 11 is provided with a spring 14, the left and right ends of the middle part of the inner side of the case body 1 are rotatably connected with a driven shaft 16, the middle and lower parts of the driven shaft 16 are fixedly connected with an auxiliary gear 15, when the case body 1 operates, the driving mechanism 10 provides a power source for the main shaft 11, the main shaft 11 rotates to drive the main gear 17 to rotate, the main gear 17 rotates to drive the second rack 8 to synchronously move bidirectionally, the second rack 8 moves and simultaneously drives the second slide bar 7 to slide in the middle of the first chute 12, when the linkage mechanism 4 is driven by other mechanisms to move downwards, the main shaft 11 and the main gear 17 are driven to synchronously move downwards, the spring 14 is compressed, at the moment, the main gear 17 rotates to drive the auxiliary gear 15 to rotate, the pinion 15 rotates and simultaneously drives the first rack 5 to synchronously move in two directions, the first rack 5 moves and simultaneously drives the first sliding strip 6 to slide in the second sliding groove 13, the purpose of synchronous two-way adjustment is achieved, the sliding strip is driven to synchronously slide in the sliding grooves when the rack moves, stability is high, the rack is not prone to falling off when moving, and a high-strength case is convenient to use.

The middle part of the upper end of the case body 1 is provided with a driving mechanism 10, a power source is provided for the operation of the case body 1 through the driving mechanism 10, the lower end of a main shaft 11 is provided with a linkage mechanism 4, the internal mechanism of the case body 1 is driven through the linkage mechanism 4 to realize turning adjustment, a first slide bar 6, a second slide bar 7, the cross sections of a first chute 12 and a second chute 13 are all in a T shape, the stability of the slide bar and the chutes of the T shape is higher when the slide bar slides, the slide bar is not easy to fall off from the middle part of the chute when the slide bar slides in the chute, the inner sides of a first opening 2 and a second opening 9 are both provided with wear-resistant rubber sleeves, the wear-resistant rubber sleeves are made of high-resistant plastics, the wear resistance of the high-resistant plastics is better, the inner sides of the openings are protected by the wear-resistant rubber sleeves to reduce the wear to the case body 1, a main gear 17 is respectively meshed and connected with a second gear 8 and an auxiliary gear 15, the auxiliary gear 15 is meshed and connected with the first gear 5, the main gear 17 drives the second gear 8 to move when the main gear 17 rotates, and meanwhile, the auxiliary gear 15 drives the auxiliary gear 15 to move and the case body to be fixedly connected with a connecting seat 3, and a connecting seat device fixedly connected with the case body front and back through other connecting seat.

The working principle is as follows: when the case body 1 operates, the driving mechanism 10 provides a power source for the main shaft 11, the main shaft 11 rotates to drive the main gear 17 to rotate, the main gear 17 rotates to drive the second rack 8 to synchronously perform bidirectional movement, the second rack 8 moves while driving the second slide bar 7 to slide in the middle of the first chute 12, when the linkage mechanism 4 is driven by other mechanisms to move downwards, the main shaft 11 and the main gear 17 are driven to synchronously move downwards, and the spring 14 is compressed, at the same time, the main gear 17 rotates to drive the pinion 15 to rotate, the pinion 15 rotates while driving the first rack 5 to synchronously perform bidirectional movement, the first rack 5 moves while driving the first slide bar 6 to slide in the second chute 13, so that the purpose of synchronous bidirectional adjustment is realized, the rack moves while driving the slide bar to synchronously slide in the chutes, the stability is high, and the rack is not easy to fall off when moving.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a rack and pinion mechanism for quick-witted case, includes quick-witted case body (1), its characterized in that: the left end and the right end of the middle lower part of the front side and the rear side of the case body (1) are respectively provided with a first opening (2), the front end and the rear end of the middle part of the left side and the right side of the case body (1) are respectively provided with a second opening (9), the middle lower part of the left side and the right side of the inner wall of the case body (1) is respectively provided with a second sliding chute (13), the inner part of each second sliding chute (13) is respectively connected with a first sliding strip (6) in a sliding way, the two ends of each first sliding strip (6) respectively penetrate through the corresponding first opening (2) and extend outwards, the adjacent side of each first sliding strip (6) is respectively fixedly connected with a first rack (5), the middle part of the front side and the rear side of the inner wall of the case body (1) is respectively provided with a first sliding chute (12), the inner part of each first sliding chute (12) is respectively connected with a second sliding strip (7) in a sliding way, the two ends of each second sliding strip (7) respectively penetrate through the corresponding second opening (9), the adjacent side of each second sliding strip (7) is respectively fixedly connected with a second rack (8), the middle part of the inner side of the case body (1) is provided with a main shaft (11), the middle part of the inner side of the case body (11), the case body is provided with a main shaft (11), the middle part of the case body (11), the main shaft (11) and the main shaft (11) extends outwards, the middle part of the main shaft (14), the main shaft (11) is respectively connected with a main shaft (11), the middle part of the main shaft (11), the main shaft (11) and the main shaft (14) is connected with a main shaft (11) and a main shaft (17) and a main shaft (14) is connected with a main shaft (17) and a main shaft (17) is arranged in a main shaft (11), the middle lower part of the driven shaft (16) is fixedly connected with a pinion (15).

2. The rack and pinion mechanism for a chassis according to claim 1, wherein: and a driving mechanism (10) is arranged in the middle of the upper end of the case body (1).

3. The rack and pinion mechanism for a chassis according to claim 1, wherein: and a linkage mechanism (4) is arranged at the lower end of the main shaft (11).

4. The rack and pinion mechanism for a casing of claim 1, wherein: the cross sections of the first sliding strip (6), the second sliding strip (7), the first sliding groove (12) and the second sliding groove (13) are all T-shaped.

5. The rack and pinion mechanism for a chassis according to claim 1, wherein: and wear-resistant rubber sleeves are arranged on the inner sides of the first opening (2) and the second opening (9).

6. The rack and pinion mechanism for a casing of claim 1, wherein: the main gear (17) is respectively meshed with the second rack (8) and the pinion (15), and the pinion (15) is meshed with the first rack (5).

7. The rack and pinion mechanism for a chassis according to claim 1, wherein: the lower ends of the front side and the rear side of the case body (1) are fixedly connected with connecting seats (3).