CN219821625U

CN219821625U - Drawing saddle

Info

Publication number: CN219821625U
Application number: CN202321193150.XU
Authority: CN
Inventors: 李晓琴; 李冬青; 王宇涵
Original assignee: Tianjin Quanfu Automobile Industry Co ltd
Current assignee: Tianjin Quanfu Automobile Industry Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-10-13
Anticipated expiration: 2033-05-17

Abstract

The utility model relates to the technical field of saddles, in particular to a drawing saddle. The utility model has the advantages that: through having set up a plurality of spacing teeth and spacer pin, can be when upwards pulling height-adjusting, automatic chucking spacing tooth under thrust spring promotes, realize automatic joint fixedly, realize the fixed effect of automatic joint, and after the telescopic link is pulled up to the highest department, through the guide of toper transition portion, can make the spacer pin retrieve the inside of guiding hole, make the bayonet socket push away the position of dop, under thrust spring promotes, can make the dop hook the bayonet socket, make the spacer pin be fixed to the inside of guiding hole, make the spacer pin not blocked by spacing tooth, then can directly drop down the telescopic link completely, after telescopic link bottom top is to telescopic tube inner wall bottom surface, the top is promoted, make the dop push down, thereby make the spacer pin break away the restriction, make the spacer pin reset, can carry out height-adjusting again, thereby be convenient for up-down adjustment, only upwards pulling can, improve the practicality.

Description

Drawing saddle

Technical Field

The utility model relates to the technical field of saddles, in particular to a drawing saddle.

Background

The saddle is a part for providing people to sit down on a riding vehicle, the saddle is generally composed of sponge and artificial leather, the saddle is a part for providing people to sit down on the riding vehicle, the saddle is generally composed of sponge and artificial leather, but the current saddle is fixed in height by using a bolt for locking, the operation is inconvenient, while in China utility model CN215826879U, a drawing saddle with a self-locking mechanism is disclosed, the drawing saddle with the self-locking mechanism moves downwards through a movable extrusion pressing block, the extrusion block moves downwards to drive a rotating rod to extrude a clamping block through a vertical block, the clamping blocks are mutually far away from and are connected with a clamping groove, a movable ring is locked through a positioning clamping structure, thereby automatically locking a connecting cylinder on a supporting rod, the effect of automatically locking the connecting cylinder through self-locking the movable ring is achieved, the problem that the saddle of the current bicycle needs to be fixed by manually rotating the bolt through a spanner is solved, but the drawing saddle with the self-locking mechanism still has the following defects in use:

this pull formula saddle with self-locking mechanism, the operation during regulation is comparatively troublesome, need rotate the location card structure earlier, make the inclined plane on the locating lever upwards, then upwards move the expansion link, make it drive the inside of expansion link at the expansion tank upwards move, when moving to the very top of expansion tank, reverse rotation location card structure, make the inclined plane on the locating lever set up down, then cup joint the surface of bracing piece with the connecting cylinder, afterwards move the connecting cylinder downwards, the connecting cylinder moves down until the lantern ring contacts with the top of bracing piece, then manual downwardly moving expansion link, make the expansion link drive the expansion link and promote the extrusion piece, thereby make the extrusion piece downwardly moving extrusion dwang, then the one end that the dwang is close to the fixture block keeps away from each other and is in the same place with the draw-in groove joint, can fix a position the expansion link through the inside automatic card of location card structure after the expansion link moves to suitable position, thereby accomplish the auto-lock process, there is certain inconvenience, influence adjustment efficiency.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide a pulling saddle, which solves the problems mentioned in the background art and overcomes the drawbacks of the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a pull saddle, which comprises a telescopic tube, the inner wall sliding connection of the telescopic tube has a telescopic rod, the top fixedly connected with saddle of the telescopic rod, the telescopic tube includes a limit part and a guide part, the limit part and the guide part are fixedly connected with a taper transition part together, the limit part is communicated with the guide part through the taper transition part, the inner wall of the limit part is fixedly connected with a plurality of limit teeth, one side of the inner wall of the limit part is fixedly connected with a guide rib, one side of the bottom of the telescopic rod is provided with a guide hole, one side of the inner wall of the guide hole is slidingly connected with a limit pin, one side of the bottom of the limit pin is provided with a bayonet, a reset spring is arranged between the limit pin and the inner wall of the guide hole, the reset spring has a length matched with the length of the guide hole, the top of one end of the limit pin far away from the reset spring is an inclined plane, the middle part of the bottom of the telescopic rod is provided with a transmission groove, the middle part of the transmission groove is fixedly connected with a connecting shaft, the outer wall of the connecting shaft is rotatably connected with a plurality of limit teeth, one end of the connecting shaft is fixedly connected with a top plate, one end of the top plate is fixedly connected with a push plate is connected with a push head, one side of the push head is fixedly connected with a push head, and the push head is fixedly connected with one side of the push head, and has a push head is fixed.

By the above-mentioned scheme preferred, the guide way has been seted up to one side of telescopic link, the position of guide way corresponds with the position of direction arris, guide way and direction arris sliding connection, the telescopic link passes through guide way and direction arris sliding connection, the length of direction arris and the length looks adaptation of spacing portion inner wall.

The technical effect achieved by adopting the scheme is as follows: through guide slot and direction arris direction slip, can prevent that the telescopic link from taking place to rotate when flexible, improve stability.

By above-mentioned arbitrary scheme preferably, a plurality of spacing tooth's cross-section is right triangle, a plurality of spacing tooth's bottom inclined plane corresponds with the inclined plane of spacer pin one end, the spacer pin is through spacing tooth guide promotion withdrawal in-process bayonet socket not through the dop.

The technical effect achieved by adopting the scheme is as follows: when the telescopic rod is pulled upwards, the bayonet is prevented from being blocked by the clamping head after the limiting teeth guide the limiting pins to shrink.

By any of the above schemes, it is preferable that the inclined surface at one end of the limit pin is guided to shrink inside the guide hole by the conical surface of the inner wall of the tapered transition portion, and the limit pin is guided to shrink by the tapered transition portion, and the bayonet passes through the chuck during the retraction process.

The technical effect achieved by adopting the scheme is as follows: the limiting pin is recovered into the guide hole, the bayonet is pushed to the position of the clamping head, and the clamping head can be hooked by the pushing force spring to fix the limiting pin into the guide hole.

By the preferred one side of above-mentioned arbitrary scheme, the through-hole has been seted up to one side of guiding hole inner wall top surface, the dop passes through the through-hole card and goes into inside the guiding hole, one side at dop top is the inclined plane, the length of dop is less than the length when thrust spring stretches out, the length of top protrusion in telescopic link bottom surface and the degree of depth looks adaptation of transmission groove inner wall.

The technical effect achieved by adopting the scheme is as follows: after the plug is jacked, the push chuck can be pulled down, the chuck can be ensured to be pulled out of the through hole completely, and the chuck can be separated from the bayonet.

By any of the above-mentioned schemes, it is preferable that the length of the telescopic rod is adapted to the depth of the inner wall of the telescopic tube, and the diameter of the telescopic rod is adapted to the diameter of the inner wall of the guiding portion.

The technical effect achieved by adopting the scheme is as follows: the telescopic rod can slide in a guiding manner with the guiding part, so that the telescopic rod is prevented from shaking, and the bottom surface of the telescopic rod can be propped against the bottom surface of the inner wall of the telescopic tube after the telescopic rod is completely fallen down.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

this pull formula saddle, through having set up a plurality of spacing teeth and spacer pin, can be when upwards pulling height-adjusting, through the inclined plane guide of spacing tooth and spacer pin, can make the spacer pin retrieve automatically and break away from spacing tooth, and after adjusting to last spacing tooth, automatic chucking spacing tooth under the promotion of thrust spring, realize automatic joint fixedly, realize the fixed effect of automatic joint, and after the telescopic link is pulled up to the highest department, can make the spacer pin retrieve the inside of guiding hole, make the bayonet socket push away the position of dop, under thrust spring promotes, can make the dop hook the bayonet socket, make the spacer pin be fixed to the inside of guiding hole, make the spacer pin not blockked by spacing tooth, then can directly fall down the telescopic link completely, after the telescopic link bottom pushes up the telescopic link inner wall bottom surface, the top is pushed, make the dop push down, thereby make the spacer pin disengage the restriction, make the spacer pin reset, can carry out height-adjusting again, thereby the convenience only upwards pulling can, the practicality is improved.

Drawings

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

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

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is a schematic structural view of the telescopic rod of the present utility model.

In the figure: the telescopic device comprises a 1-telescopic sleeve, a 101-limiting part, a 102-conical transition part, a 103-guiding part, a 2-telescopic rod, a 3-saddle, a 4-guiding edge, a 5-limiting tooth, a 6-guiding hole, a 7-limiting pin, an 8-reset spring, a 9-bayonet, a 10-transmission groove, a 11-connecting shaft, a 12-pressing plate, a 13-clamping head, a 14-through hole, a 15-jacking head, a 16-thrust spring and a 17-guiding groove.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

Embodiment one: as shown in fig. 1 to 4, a drawing saddle comprises a telescopic tube 1, wherein the inner wall of the telescopic tube 1 is slidably connected with a telescopic rod 2, the top of the telescopic rod 2 is fixedly connected with a saddle 3, the telescopic tube 1 comprises a limit part 101 and a guide part 103, a conical transition part 102 is fixedly connected between the limit part 101 and the guide part 103, the limit part 101 is communicated with the guide part 103 through the conical transition part 102, a plurality of limit teeth 5 are fixedly connected with the inner wall of the limit part 101, one side of the inner wall of the limit part 101 is fixedly connected with a guide rib 4, one side of the bottom of the telescopic rod 2 is provided with a guide hole 6, one side of the inner wall of the guide hole 6 is slidably connected with a limit pin 7, one side of the bottom surface of the limit pin 7 is provided with a bayonet 9, a reset spring 8 is arranged between the limit pin 7 and the inner wall of the guide hole 6, the length after reset of reset spring 8 and the length looks adaptation of guiding hole 6, the top that reset spring 8 one end was kept away from to spacer pin 7 is the inclined plane, transmission groove 10 has been seted up at the middle part of telescopic link 2 bottom surface, the middle part fixedly connected with connecting axle 11 of transmission groove 10, the outer wall rotation of connecting axle 11 is connected with clamp plate 12, the top fixedly connected with chuck 13 of clamp plate 12 one end, the bottom fixedly connected with top 15 of the clamp plate 12 other end, one side fixedly connected with thrust spring 16 that the top surface of clamp plate 12 is close to top 15, the length after thrust spring 16 resets is greater than the degree of depth of transmission groove 10 inner wall, chuck 13 passes through thrust spring 16 promotion clamp plate 12 card and goes into bayonet socket 9, arbitrary joint in spacer pin 7 and a plurality of spacing tooth 5.

As an alternative technical scheme of the utility model, one side of the telescopic rod 2 is provided with the guide groove 17, the position of the guide groove 17 corresponds to the position of the guide rib 4, the guide groove 17 is in sliding connection with the guide rib 4, the telescopic rod 2 is in sliding connection with the guide rib 4 through the guide groove 17, the length of the guide rib 4 is matched with the length of the inner wall of the limiting part 101, and the telescopic rod 2 can be prevented from rotating during telescopic movement through the guide groove 17 and the guide rib 4 in a guiding sliding manner, so that the stability is improved.

As an alternative technical scheme of the utility model, the sections of the limiting teeth 5 are right-angled triangles, the bottom inclined planes of the limiting teeth 5 correspond to the inclined planes of one end of the limiting pin 7, and the limiting pin 7 is guided by the limiting teeth 5 to push the bayonet 9 to be retracted without passing through the clamping head 13, so that when the telescopic rod 2 is pulled upwards, the bayonet 9 is prevented from being clamped by the clamping head 13 after the limiting teeth 5 guide the limiting pin 7 to be retracted.

As an alternative technical scheme of the utility model, the inclined surface at one end of the limiting pin 7 guides the inner contraction of the guide hole 6 through the conical surface of the inner wall of the conical transition part 102, and the bayonet 9 passes through the clamping head 13 in the process of guiding and withdrawing the limiting pin 7 through the conical transition part 102, so that when the limiting pin 7 is pulled to the highest position, the limiting pin 7 can be recovered into the guide hole 6 through the guiding of the conical transition part 102, the bayonet 9 is pushed to the position of the clamping head 13, and the clamping head 13 can be hooked on the bayonet 9 under the pushing of the thrust spring 16, so that the limiting pin 7 is fixed into the guide hole 6.

As an alternative technical scheme of the utility model, one side of the top surface of the inner wall of the guide hole 6 is provided with the through hole 14, the clamping head 13 is clamped into the guide hole 6 through the through hole 14, one side of the top of the clamping head 13 is an inclined plane, the length of the clamping head 13 is smaller than that of the extension of the thrust spring 16, and the length of the jacking head 15 protruding out of the bottom surface of the telescopic rod 2 is matched with the depth of the inner wall of the transmission groove 10, so that after the jacking head 15 is jacked, the clamping head 13 can be pushed to pull downwards, the clamping head 13 can be ensured to be completely pulled out of the through hole 14, and the clamping head 13 can be separated from the bayonet 9.

As an alternative technical scheme of the utility model, the length of the telescopic rod 2 is matched with the depth of the inner wall of the telescopic tube 1, and the diameter of the telescopic rod 2 is matched with the diameter of the inner wall of the guide part 103, so that the telescopic rod 2 can realize guide sliding with the guide part 103, the telescopic rod 2 is prevented from shaking, and the bottom surface of the telescopic rod 2 can be propped against the bottom surface of the inner wall of the telescopic tube 1 after the telescopic rod 2 is completely fallen down.

A drawing saddle has the following working principle:

1) When the saddle 3 is pulled to be pulled upwards during upward adjustment, the limiting pin 7 can be automatically recovered and separated from the limiting teeth 5 through the inclined surface guide of the limiting teeth 5 and the limiting pin 7, and after the saddle is adjusted between the previous limiting teeth 5, the limiting teeth 5 are automatically clamped under the pushing of the thrust spring 16, so that automatic clamping and fixing are realized, and the height adjustment is realized;

2) When the saddle 3 needs to be reset, the telescopic rod 2 is pulled to the highest position, the telescopic rod is guided by the conical transition part 102, the limiting pin 7 can be recycled into the guide hole 6, the bayonet 9 is pushed to the position of the clamping head 13, the clamping head 13 can be hooked on the bayonet 9 under the pushing of the thrust spring 16, the limiting pin 7 is fixed into the guide hole 6, the clamping head 9 is pushed to the position of the clamping head 13, the clamping head 13 can be hooked on the clamping head 9 under the pushing of the thrust spring 16, the limiting pin 7 is fixed into the guide hole 6, and the limiting pin 7 is not blocked by the limiting teeth 5;

3) Then can directly drop telescopic link 2 completely, after telescopic link 2 bottom pushes up telescopic tube 1 inner wall bottom surface, top 15 is pushed, makes chuck 13 push down to make spacer pin 7 break away from the restriction, make spacer pin 7 reset, can carry out the altitude mixture control again, thereby be convenient for adjust from top to bottom, only need upwards the pulling can.

In summary, this pull saddle, through having set up a plurality of spacing teeth 5 and spacer pin 7, can be when upwards pulling height-adjusting, the inclined plane guide through spacing tooth 5 and spacer pin 7, can make spacer pin 7 retrieve automatically and break away from spacing tooth 5, and after adjusting to last spacing tooth 5 between, automatic chucking spacing tooth 5 under the promotion of thrust spring 16, realize automatic joint fixedly's effect, and after telescopic link 2 draws to the highest, guide through toper transition portion 102, can make spacer pin 7 retrieve the inside of guiding hole 6, make bayonet socket 9 push to the position of dop 13, under thrust spring 16 promotes, can make dop 13 hook bayonet socket 9, make spacer pin 7 fix the inside of guiding hole 6, make spacer pin 7 not blocked by spacing tooth 5, then can directly drop telescopic link 2 completely, after telescopic link 2 bottom pushes up telescopic link 1 inner wall bottom surface, top 15 is pushed, make dop 13 push down, thereby make spacer pin 7 restriction, make spacer pin 7 disengage, can reset height-adjusting, can be carried out more conveniently, and the practicality can be improved.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pull formula saddle, includes telescopic tube (1), the inner wall sliding connection of telescopic tube (1) has telescopic link (2), the top fixedly connected with saddle (3) of telescopic link (2), its characterized in that: the telescopic sleeve (1) comprises a limiting part (101) and a guiding part (103), a conical transition part (102) is fixedly connected between the limiting part (101) and the guiding part (103), the limiting part (101) is communicated with the guiding part (103) through the conical transition part (102), the inner wall of the limiting part (101) is fixedly connected with a plurality of limiting teeth (5), one side of the inner wall of the limiting part (101) is fixedly connected with a guiding rib (4), one side of the bottom of the telescopic rod (2) is provided with a guiding hole (6), one side of the inner wall of the guiding hole (6) is slidably connected with a limiting pin (7), one side of the bottom surface of the limiting pin (7) is provided with a bayonet (9), a reset spring (8) is arranged between the limiting pin (7) and the inner wall of the guiding hole (6), the reset spring (8) is matched with the guide hole (6) in length, the top of one end of the limiting pin (7) far away from the reset spring (8) is an inclined plane, the middle of the bottom of the telescopic rod (2) is provided with a transmission groove (10), one end of the transmission groove (10) is fixedly connected with a pressing plate (11), the bottom fixedly connected with top (15) of clamp plate (12) other end, one side fixedly connected with thrust spring (16) that clamp plate (12) top surface is close to top (15), the length after thrust spring (16) reset is greater than the degree of depth of drive groove (10) inner wall, clamp head (13) are in bayonet socket (9) through thrust spring (16) promotion clamp plate (12), arbitrary joint in locating pin (7) and a plurality of spacing tooth (5).

2. A draw saddle according to claim 1, characterized in that: the telescopic rod is characterized in that a guide groove (17) is formed in one side of the telescopic rod (2), the position of the guide groove (17) corresponds to that of the guide rib (4), the guide groove (17) is in sliding connection with the guide rib (4), the telescopic rod (2) is in sliding connection with the guide rib (4) through the guide groove (17), and the length of the guide rib (4) is matched with the length of the inner wall of the limiting part (101).

3. A draw saddle according to claim 2, characterized in that: the cross sections of the limiting teeth (5) are right-angled triangles, the bottom inclined planes of the limiting teeth (5) correspond to the inclined planes of one end of the limiting pin (7), and the limiting pin (7) is guided by the limiting teeth (5) to push and retract the bayonet (9) without passing through the clamping head (13).

4. A draw saddle according to claim 3, characterized in that: the inclined plane of spacer pin (7) one end is led to the inside shrink of guiding hole (6) through the conical surface of the inner wall of toper transition portion (102), spacer pin (7) is led to withdraw in-process bayonet socket (9) through toper transition portion (102) and is passed through chuck (13).

5. A draw saddle according to claim 4, characterized in that: through-hole (14) have been seted up to one side of guiding hole (6) inner wall top surface, inside guiding hole (6) are gone into through-hole (14) card to chuck (13), one side at chuck (13) top is the inclined plane, the length of chuck (13) is less than the length when thrust spring (16) stretches out, the length of top (15) protrusion in telescopic link (2) bottom surface and the degree of depth looks adaptation of transmission groove (10) inner wall.

6. A draw saddle according to claim 5, characterized in that: the length of the telescopic rod (2) is matched with the depth of the inner wall of the telescopic sleeve (1), and the diameter of the telescopic rod (2) is matched with the diameter of the inner wall of the guide part (103).