CN217969730U

CN217969730U - Thickened seat tube

Info

Publication number: CN217969730U
Application number: CN202222411077.0U
Authority: CN
Inventors: 叶忠平
Original assignee: Kunshan Jieying Metal Products Co ltd
Current assignee: Kunshan Jieying Metal Products Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2022-12-06
Anticipated expiration: 2032-09-13

Abstract

The utility model relates to an electric power assisted bicycle technical field specifically is a thickening seat pipe, including seat pipe main part and inserted bar coupling mechanism, the inside inserted bar connection chamber of having seted up of seat pipe main part, the inserted bar is connected intracavity portion one side and has been seted up the constant head tank, inserted bar coupling mechanism includes inserted bar, location strengthening rib and cushion connecting seat, the isometric location strengthening rib of itself is installed in the inserted bar outside. The utility model discloses a seat pipe main part cooperation inserted bar coupling mechanism uses, inside location strengthening rib cooperation constant head tank in the connection process is connected, the skew of cushion can not appear in the connection height-adjusting in-process, the strengthening rib of fixing a position has improved the bulk strength of inserted bar simultaneously, the seal groove at seat pipe clamp mechanism cooperation seat pipe main part top is connected simultaneously, reduce the rainwater and get into, and life is prolonged, and the bracing piece of cushion fastening device cooperation cushion below uses, convenient follow-up clamp piece and lower clamp piece are dismantled to last clamp piece, conveniently change the cushion, the efficiency of follow-up maintenance is improved.

Description

Thickened seat tube

Technical Field

The utility model relates to an electric bicycle technical field specifically is a thickening seat pipe.

Background

With the environmental protection concept, the bicycle is used as an environment-friendly vehicle by more and more people as a means for walking instead of walking. Meanwhile, the number of people who use the bicycle as a fitness equipment for riding exercise and traveling is increasing. In addition, the bicycle itself is also a sport event, including road bike racing, mountain bike racing, field bike racing, stunt bike racing, and the like.

A common bicycle structure comprises the following parts: (1) The bicycle comprises a bicycle body part, a bicycle frame, a front fork, a handlebar, a saddle, a front fork assembly and the like, wherein the bicycle body part is a main body of the bicycle; (2) The transmission part comprises pedals, a crank, a chain wheel, a chain, a middle shaft, a flywheel and the like, the pedals are manually stepped, and the transmission parts drive the wheels to rotate to drive the vehicle to move forwards; (3) A traveling part, i.e., front and rear wheels, including front and rear shaft parts, spokes, a rim (rim), a tire, etc.; (4) Safety devices, including brakes (brakes), lights, bells, reflectors, etc. According to the requirement, some accessories, such as a bracket, a clothes rack, a safety fork, a mudguard, an air cylinder and the like can be added. In addition, sports cars, racing cars, mountain bikes, etc. equipped with a shifting mechanism are also equipped with a shift controller, a front derailleur, a rear derailleur, etc.

Patent number CN206456465U discloses a bicycle seat tube assembly, belonging to the technical field of bicycles. The bicycle seat tube assembly comprises a seat tube, a clamping sleeve, an upper hinge, a lower hinge and a fixing piece. Press from both sides the cover setting and go up between hinge and the lower hinge, press from both sides the cover and be the hemisphere, its curved one side is towards the seat pipe. The jacket is provided with a through hole for mounting the saddle. The application provides a bicycle saddle pipe assembly is provided with hinge, lower hinge and presss from both sides the cover, presss from both sides the curved one side of cover and cooperatees with lower hinge, and the arc portion and the seat pipe of lower hinge cooperate, and the joint portion combines for the face, has improved factor of safety, uses the rotation that presss from both sides the cover to finely tune the angle of saddle conveniently.

But this pure water equipment have convenient angle to the saddle carry out the function of finely tuning, but in the adjustment process, the condition of angular deviation can appear in the cushion part, lead to follow-up taking to have uncomfortable feeling, inconvenient dismantlement to the cushion part simultaneously, under the situation of depositing in long-term open air, the cushion causes the damage easily, so lead to follow-up maintenance to change, and intensity itself is lower, and the junction is sealed not good enough moreover, lead to follow-up easy corrosion, and life is shorter, for this reason, we have disclosed a thickening seat pipe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thickening seat pipe, the realization is through being provided with a seat pipe main part, inserted bar coupling mechanism, seat pipe clamp mechanism and cushion fastening device, at first seat pipe main part cooperation inserted bar coupling mechanism uses, inside location strengthening rib cooperation constant head tank connects in the connection, the skew of cushion can not appear in the connection height-adjusting in-process, the while location strengthening rib has improved the bulk strength of inserted bar, the seal groove at seat pipe clamp mechanism cooperation seat pipe main part top is connected simultaneously, in the connection, inside sealing washer buckle is inside the seal groove, reduce the rainwater and get into, service life is prolonged, and the bracing piece of cushion fastening device cooperation cushion below uses, convenient follow-up clamp piece and lower clamp piece to last clamp is dismantled, conveniently change the cushion, follow-up efficiency of maintaining has been improved.

Therefore, the utility model provides a thickening seat pipe, including seat pipe main part and inserted bar coupling mechanism, the inside inserted bar connection chamber of having seted up of seat pipe main part, the inserted bar is connected intracavity portion one side and has been seted up the constant head tank, inserted bar coupling mechanism includes inserted bar, location strengthening rib and cushion connecting seat, the isometric location strengthening rib of itself is installed in the inserted bar outside, just inserted bar and location strengthening rib are pegged graft respectively inside inserted bar connection chamber and constant head tank, the cushion connecting seat is connected the inserted bar top, cushion connecting seat top is connected with cushion fastening device, cushion fastening device top is connected with the cushion, seat pipe clamp mechanism is installed in the seat pipe main part top opening part outside.

Preferably: cushion fastening device includes and presss from both sides tight piece, lower clamp tight piece and fastening bolt, it connects to press from both sides tight piece down cushion connecting seat top, press from both sides tight piece below both sides down through fastening bolt with it connects to press from both sides tight piece to go up, it is formed with the standing groove with both closures of lower clamp tight piece to go up, the cushion includes that the cushion takes advantage of the seat face and bracing piece, the cushion takes advantage of the seat face and wholly cup joints the bracing piece top, just the bracing piece joint is in inside the standing groove.

Preferably, the following components: the utility model discloses a standing groove, including standing groove, bracing piece, standing groove, regulating screw, adjusting nut, bracing piece is located the inside partial outside of standing groove is provided with the dull polish layer, the bracing piece is located dull polish layer both ends have all been turned to the regulation screw thread, adjusting screw thread outside threaded connection has adjusting nut.

Preferably, the following components: the seat pipe clamp mechanism comprises a clamping ring, a sealing ring and a fixing nut, the clamping ring is an opening circular ring, the sealing ring is installed on the inner side of the clamping ring, the fixing nut and the fixing bolt are installed on two sides of an opening of the clamping ring respectively, and the clamping ring is sleeved on the outer side of an opening in the upper end of the seat pipe main body and is fixedly connected with the fixing nut and the fixing bolt in a threaded mode.

Preferably: the sealing groove is formed in the outer side of an opening in the upper end of the seat pipe main body, and the sealing ring is inserted into the sealing groove when connected.

Preferably, the following components: the length of the positioning groove is the same as that of the inserted link connecting cavity.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a be provided with seat pipe main part, inserted bar coupling mechanism, seat pipe clamp mechanism and cushion fastening device, at first seat pipe main part cooperation inserted bar coupling mechanism uses, inside location strengthening rib cooperation constant head tank is connected in the connection, the skew of cushion can not appear in the connection height-adjusting in-process, the strengthening rib of fixing a position has improved the bulk strength of inserted bar simultaneously, the seal groove at seat pipe clamp mechanism cooperation seat pipe main part top is connected simultaneously, in the connection, inside sealing washer buckle is inside the seal groove, it gets into to reduce the rainwater, service life is prolonged, and the bracing piece of cushion fastening device cooperation cushion below uses, it dismantles to last tight piece of clamp and lower tight piece to make things convenient for the follow-up, conveniently change the cushion, the efficiency of follow-up maintenance has been improved.

Drawings

FIG. 1 is a schematic view of the thickened seat tube of the present invention;

fig. 2 is a schematic structural view of a cushion fastening mechanism of a thickened seat tube of the present invention;

fig. 3 is a schematic structural view of a cushion of a thickened seat tube of the present invention;

fig. 4 is a schematic structural view of the inserted link connecting mechanism of the thickened seat tube of the present invention;

fig. 5 is a schematic structural view of a seat tube main body of the thickened seat tube of the present invention;

fig. 6 is a schematic structural view of a seat tube clamping mechanism of a thickened seat tube of the present invention.

In the figure: 1. a seat tube main body; 101. a sealing groove; 102. positioning a groove; 103. the inserted link is connected with the cavity; 2. an insertion rod connection mechanism; 201. a rod is inserted; 202. positioning a reinforcing rib; 203. a cushion connecting seat; 3. a seat tube clamp mechanism; 301. a clamping ring;

302. a seal ring; 303. fixing a nut; 304. fixing the bolt; 4. a cushion fastening mechanism; 401. fastening a bolt;

402. a lower clamping piece; 403. a placement groove; 404. an upper clamping piece; 5. a cushion; 501. a seat cushion riding surface; 502. a support bar; 503. adjusting the screw thread; 504. adjusting the nut; 505. and (7) sanding a layer.

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.

Please refer to fig. 1-6, which are a preferred embodiment of the present invention, a thickened seat tube, comprising a seat tube main body 1 and an insertion rod connection mechanism 2, wherein the seat tube main body 1 is internally provided with an insertion rod connection cavity 103, one side of the inside of the insertion rod connection cavity 103 is provided with a positioning groove 102, the insertion rod connection mechanism 2 comprises an insertion rod 201, a positioning reinforcing rib 202 and a seat cushion connection seat 203, the outside of the insertion rod 201 is provided with the positioning reinforcing rib 202 having the same length as itself, and the insertion rod 201 and the positioning reinforcing rib 202 are respectively inserted into the insertion rod connection cavity 103 and the positioning groove 102, the seat cushion connection seat 203 is connected to the top end of the insertion rod 201, the top of the seat cushion connection seat 203 is connected with a seat cushion fastening mechanism 4, a seat cushion 5 is connected above the seat cushion fastening mechanism 4, install in the outside of seat pipe main part 1 top opening part, seat pipe clamp mechanism 3, at first seat pipe main part 1 cooperation inserted bar coupling mechanism 2 uses, inside location strengthening rib 202 cooperation constant head tank 102 is connected in the joining process, the skew of cushion 5 can not appear in the connection height-adjusting in-process, location strengthening rib 202 has improved the bulk strength of inserted bar 201 simultaneously, seat pipe clamp mechanism 3 cooperation seal groove 101 at seat pipe main part 1 top is connected simultaneously, in the joining process, inside sealing washer 302 buckle is inside seal groove 101, reduce the rainwater and get into, the service life is improved, and the bracing piece 502 of cushion fastening device 4 cooperation cushion 5 below uses, it is convenient follow-up to the tight piece of clamp 404 of last clamp and the tight piece of clamp 402 of lower clamp to dismantle, conveniently change cushion 5, the efficiency of follow-up maintenance has been improved.

Cushion fastening device 4 includes and presss from both sides tight piece 404, presss from both sides tight piece 402 and fastening bolt 401 down, it connects to press from both sides tight piece 402 down cushion connecting seat 203 top, press from both sides tight piece 402 below both sides down pass through fastening bolt 401 with it connects to press from both sides tight piece 404 to go up, it is formed with standing groove 403 with both closures of tight piece 402 of lower clamp to go up, cushion 5 includes cushion riding surface 501 and bracing piece 502, cushion riding surface 501 wholly cup joints the bracing piece 502 top, just the bracing piece 502 joint is in inside the standing groove 403, go up to press from both sides tight piece 404 and press from both sides tight piece 402 and mutually support and connect, connect bracing piece 502, mutually support and press from both sides tightly, convenient the dismantlement.

The supporting rod 502 is provided with a frosted layer 505 on the outer side of the inner portion of the placing groove 403, adjusting threads 503 are turned on two ends of the supporting rod 502 located on the frosted layer 505, adjusting nuts 504 are connected to the outer side of the adjusting threads 503 through threads, the frosted layer 505 ensures that the supporting rod 502 cannot deviate after being fixed, and meanwhile, the adjusting nuts 504 are matched with the adjusting threads 503 to adjust the position, so that the upper clamping piece 404 and the lower clamping piece 402 can be blocked, and the limiting is realized.

Seat pipe clamp mechanism 3 includes clamp ring 301, sealing washer 302 and fixation nut 303, clamp ring 301 is the opening ring, sealing washer 302 is installed clamp ring 301 is inboard, fixation nut 303 and fixing bolt 304 are installed respectively to clamp ring 301 opening both sides, clamp ring 301 cup joints the 1 upper end opening outside of seat pipe main part is passed through the mutual threaded connection of fixation nut 303 and fixing bolt 304 is fixed, and sealing washer 302 cooperation seal groove 101 is used, can seal seat pipe main part 1 from the upper end, reduces the rainwater entering, reduces the corrosion, has improved life, and convenient the fixing simultaneously.

The sealing groove 101 is formed in the outer side of the opening in the upper end of the seat tube main body 1, and the sealing ring 302 is inserted into the sealing groove 101 during connection.

The length of the positioning groove 102 is the same as that of the inserted link connecting cavity 103, so that the positioning reinforcing ribs 202 are not shielded when the inserted link 201 is inserted into the inserted link connecting cavity 103.

The utility model discloses a thickening seat pipe: during the use, at first insert the inserted bar 201 inside the inserted bar coupling chamber 103, the location strengthening rib 202 is inserted inside the constant head tank 102 simultaneously, be connected cushion 5 and cushion fastening device 4 afterwards, press from both sides tight piece 404 and lower clamp piece 402 buckle in the dull polish layer 505 outside of bracing piece 502 on will going up, press from both sides tight piece 402 and place in the cushion connecting seat 203 outside afterwards, pass fastening bolt 401 and fix cushion connecting seat 203 and last clamp piece 404 and lower clamp piece 402, realize that cushion 5 is connected with inserted bar coupling mechanism 2, adjust the length of inserted bar 201 afterwards, after adjusting the position, fixing bolt 304 and the fixation nut 303 of fixed clamp ring 301 both sides are realized fixing, the installation is accomplished.

The above description is for the purpose of describing the invention in greater detail with reference to the embodiments thereof, and it is not to be construed that the embodiments are limited to those described, but rather that the invention is capable of other variants and modifications without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a thickening seat pipe, includes seat pipe main part (1) and inserted bar coupling mechanism (2), its characterized in that: seat pipe main part (1) is inside to have seted up the inserted bar and to connect chamber (103), constant head tank (102) have been seted up to the inside one side in inserted bar connection chamber (103), inserted bar coupling mechanism (2) are including inserted bar (201), location strengthening rib (202) and cushion connecting seat (203), the isometric location strengthening rib (202) of itself is installed in inserted bar (201) outside, just inserted bar (201) and location strengthening rib (202) are pegged graft respectively inside inserted bar connection chamber (103) and constant head tank (102), cushion connecting seat (203) are connected inserted bar (201) top, cushion connecting seat (203) top is connected with cushion fastening device (4), cushion fastening device (4) top is connected with cushion (5), seat pipe clamp mechanism (3) are installed in seat pipe main part (1) top opening part outside.

2. A thickened seat tube according to claim 1, wherein: cushion fastening device (4) press from both sides tight piece (404), press from both sides tight piece (402) and fastening bolt (401) down including, press from both sides tight piece (402) down and connect cushion connecting seat (203) top, press from both sides tight piece (402) below both sides down pass through fastening bolt (401) with it connects to press from both sides tight piece (404) on, it is formed with standing groove (403) to press from both sides tight piece (404) and press from both sides tight piece (402) closure down, cushion (5) are including cushion riding surface (501) and bracing piece (502), cushion riding surface (501) are whole to be cup jointed bracing piece (502) top, just bracing piece (502) joint is in inside standing groove (403).

3. A thickened seat tube according to claim 2, wherein: the supporting rod (502) is located the partial outside of standing groove (403) inside is provided with dull polish layer (505), the supporting rod (502) is located dull polish layer (505) both ends have all been turned adjusting screw thread (503), adjusting screw thread (503) outside threaded connection has adjusting nut (504).

4. A thickened seat tube as defined in claim 1, wherein: seat pipe clamp mechanism (3) are including clamp ring (301), sealing washer (302) and fixation nut (303), clamp ring (301) are the opening ring, install sealing washer (302) clamp ring (301) are inboard, fixation nut (303) and fixing bolt (304) are installed respectively to clamp ring (301) opening both sides, clamp ring (301) cup joint seat pipe main part (1) upper end opening outside is passed through fixation nut (303) and the mutual threaded connection of fixing bolt (304) are fixed.

5. A thickened seat tube according to claim 4, in which: a sealing groove (101) is formed in the outer side of an opening in the upper end of the seat pipe main body (1), and the sealing ring (302) is inserted into the sealing groove (101) in a connecting mode.

6. A thickened seat tube as defined in claim 1, wherein: the length of the positioning groove (102) is the same as that of the inserted link connecting cavity (103).