CN2218841Y

CN2218841Y - Concealed bldirection inflator

Info

Publication number: CN2218841Y
Application number: CN 94239217
Authority: CN
Inventors: 陈修柱
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-08-13
Filing date: 1994-08-13
Publication date: 1996-01-31
Anticipated expiration: 2004-08-13

Abstract

The utility model provides a concealed bidirectional inflator. A piston, a cylinder body and a sealing head form two air-compressing working cavities or two air-suction working cavities. A shell, the cylinder body and the sealing head form an air supplying cavity. An upper sealing head, the piston and the sealing head of the cylinder body are respectively provided with a one-way valve. The piston can send out the compressed air for inflating the tyre in the process of down pushing or up pulling. The shell of the inflator which is the supporting rod of a saddle is arranged in a vehicle frame, and a saddle which can be turned is matched. The inflator is concealed below the saddle and in the vehicle frame, and the compactness and the beautiful appearance of the bicycle can be kept, the inflation is bidirectional, the inflator can be carried with the bicycle, and the use is convenient. Because the labour is saved, the youngster and the elder, and the weak man can operate the utility model for the inflation.

Description

Surely cover formula bidirectional pump tube

The utility model relates to a kind of bicycle pump, and particularly a kind of bicycle saddle can open the recessive type bidirectional pump tube of making one with the Saddel receiver bar.

Existing bicycle pump all is an independently apparatus, and can only unidirectional inflation when promoting piston, in the bicycle running way, need inflate and to find the place that pump is arranged, make troubles to the user, the pump of unidirectional inflation uses also relatively effort.Can inflate in the way of travelling for the ease of the user, on bicycle frame, establish fixed block, pump is fixed on the vehicle frame, take off the pump inflation from vehicle frame during use, solved the difficult point that can inflate with car in the way, but structurally still very unreasonable, it is the unnecessary accessory of vehicle frame, neither attractive in appearance, also increase burden, inflate simultaneously and remain effort.

The purpose of this utility model is that a kind of improved bicycle pump will be provided, and it is can the bidirectional pump rapid operation easy to use with car, and can be reasonably hidden under the car saddle and in the vehicle frame.

The utility model is achieved in that recessive type bidirectional pump tube is by saddle, Pillar for saddle and pump are formed, its structural feature is to utilize the saddle of ordinary bicycle, Pillar for saddle and Saddel receiver bar, with the frame of Saddel receiver bar while as pump, the major component that is pump is to stretch the root of Dahurian angelica in cycle frame, the pump hollow handle is connected with hollow piston rod, its endoporus interconnects, the piston rod shaft passes the upper cover endoporus airspace of having worked in coordination, the upper end of upper cover and housing endoporus are sealed and matched fixing, upper cover lower end and cylindrical shell endoporus be sealed and matched fixing, the upper-end surface of upper cover lower end surface sealing applying conical seal ring, conical seal ring endoporus and piston rod cylindrical cooperate, cylindrical and cylindrical shell endoporus cooperate, establish one-way valve and three through holes in the upper cover, one hole connects one-way valve and C chamber, one hole is connected one-way valve and B chamber with hole on the conical seal ring, exit orifice communicates with the C chamber, and be connected with the snorkel of pump, the piston-rod lower end fixed piston that is sealed and matched, establish non return valve in the piston, the piston upper end is established the hole and is connected piston rod hollow cavity and one-way valve, establish seal ring in the seal groove of piston, the cylindrical shell lower end fixed cylinder end socket that is sealed and matched, establish one-way valve in the cylindrical shell end socket, cylindrical shell end socket upper end is established the hole and is connected one-way valve and A chamber, the lower end of the housing fixedly lower seal head 110 that is sealed and matched, constitute three active chambers of pump by each assembly, and under the cooperation of three one-way valves, when descent of piston or can both be automatically when up in the A chamber or the B chamber send pressurized air, and simultaneously in the B chamber or the A chamber realize automatically sucking atmosphere, for next travel compression, thereby realized the bidirectional pump function of pump; Sheng dish 22 is established in the back-shaped elastic rod rear end of Pillar for saddle, be used for the pneumatic tube of splendid attire pump, Sheng dish rear side is established guide, establish bayonet lock and spring in the guide, establish through hole on guide and the Sheng dish, the saddle front end is established clasp, clasp be sleeved on Pillar for saddle back-shaped elastic rod on scratch front end, constitute the articulating point that saddle 3 can open, guide pin bushing is established in shock-absorbing spring lower end, saddle rear end, and the latch of trough of belt and tapered end is established at the guide pin bushing center, when inflating, hand is pressed bayonet lock, and saddle is opened, after inflating, the pneumatic tube dish is contained in the Sheng dish, turn down saddle, latch inserts guide and Sheng dish through hole, and bayonet lock snaps in the groove of latch, guide pin bushing is enclosed within on the guide, saddle firmly is fixed on the Pillar for saddle, and this moment, the saddle body all covered position with the part that pump is exposed at outside the vehicle frame outward, reached the purpose that hidden pump exposes to the vehicle frame part.

The utility model has adopted the structure of three chambeies and three one-way valves, realize bidirectional pump, make and inflate laborsavingly, juvenile or old weak person also can operate, and utilizes Saddel receiver bar formation pump, with few part in addition with make full use of that the space is provided with pump in the vehicle body, be equipped with simultaneously and can open saddle, all latent root of Dahurian angelica of pump in car, is kept the succinct structure of former bicycle and attractive in appearance, with car band pump, bring great convenience to the user.

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.

Fig. 1 is according to the recessive type bidirectional pump tube sectional arrangement drawing that the utility model proposes.

Fig. 2 is the local amplification view I in Fig. 1 structure pump upper end.

Fig. 3 is the local amplification view II in Fig. 1 structure pump lower end.

Fig. 4 is that pump is made process schematic representation () mutually.

Fig. 5 is a pump working procedure schematic representation (two).

With reference to Fig. 1,2,, recessive type bidirectional pump tube is made up of pump 1, Pillar for saddle 2 and saddle 3, pump 1 is established hollow handle 100, installing hollow piston rod 10 on the handle 100, the handle endoporus communicates with the piston rod endoporus, the shaft of piston rod 10 passes the endoporus of upper cover 12, the work in coordination gap of ventilation, the upper end of upper cover 12 and housing 11 endoporus be sealed and matched fixing, housing 11 is exactly the member Saddel receiver bar on the ordinary bicycle, the lower end of upper cover 12 and the cylindrical shell of pump 15 endoporus be sealed and matched fixing; Conical seal ring 14 is established in the lower end of upper cover 12 in the cylindrical shell 15, the lower end surface sealing of the upper-end surface of conical seal ring 14 and upper cover 12 is fitted, corresponding cylindrical cooperates with cylindrical shell 15 endoporus, the tapered lower end endoporus of conical seal ring 14 and the shaft of piston rod 10 are slidingly matched, conical seal ring 14 usefulness rubber are made, has favorable elasticity, when the vacuum of B chamber, the tapered end endoporus that conical seal ring 14 is backed down in the shaft outside that atmosphere carries over piston rod 10 enters the B chamber, when the B chamber is compressed, B chamber compressed air compresses the tapered end of conical seal ring 14, has both guaranteed the sealing in B chamber, guarantees that again the smooth and easy of piston rod 10 moves; Establish an one-way valve 13 in the upper cover 12, one-way valve 13 is formed by regulating bolt 131, spring 132 and spool 133, the spherical end surface of spool 133 cooperates with conical valve seat on the upper cover 12, be provided with three through holes in the upper cover 12, one-way valve 13 and C chamber are connected in hole 122, through hole 141 relative connection one-way valves 13 and B chambeies on hole 123 and the conical seal ring 14, exit orifice 121 communicates with the C chamber, and is connected with the snorkel 110 of pump 1; Snorkel 110 with joint with have inflate chew the head pneumatic tube 111 be connected.

With reference to Fig. 3, the lower end of piston rod 10 fixed plastics that is sealed and matched is made piston 16, establish an one-way valve 17 in the piston 16, one-way valve 17 is by spool 171, spring 172 and adjusting bolt 173 are formed, the spherical end surface of spool 171 cooperates with the conical valve seat of piston 16, regulate bolt 173 centers and establish a chance hole, piston 16 upper ends are established hole 161 and are connected piston rod 10 hollow cavities and one-way valve 17, seal groove is established in piston 16 lower ends, establishes rubber seal 162 in the groove, and seal ring 162 sectional shapes are rectangles, seal ring 162 internal diameters are greater than the seal groove base diameter, and its resiliently deformable can reduce because the resistance to motion of the piston 16 that cylindrical shell 15 endoporus nonstraightness or out of roundness cause; The lower end of the cylindrical shell 15 fixed cylinder end socket 19 that is sealed and matched, establish one-way valve 18 in the cylindrical shell end socket 19, one-way valve 18 is made up of spool 181, spring 182 and adjusting bolt 183, the spherical end surface of spool 181 cooperates with conical valve seat on the cylindrical shell end socket 19, regulate bolt 183 centers and establish a through hole, cylindrical shell end socket 19 upper ends are established hole 191 and are connected A chamber and one-way valve 18; The lower end of the housing 11 fixedly lower seal head 115 that is sealed and matched.

With reference to Fig. 1, scratching front end on the Pillar for saddle 2 back-shaped elastic rods 21 is connected with the clasp 31 of saddle 3, constitute a rotatable articulating point, Sheng dish 22 is established in the rear end of back-shaped elastic rod 21, be used for holding the pneumatic tube 111 of pump, Sheng is coiled 22 rear sides and is established guide 23, establishes the bayonet lock 24 of band handgrip in the guide 23, and bayonet lock 24 is by spring 25 pushing tows, can in Sheng is coiled 22 groove, slide, establish through hole 26 on guide 23 and the Sheng dish 22; Saddle 3 front ends are established clasp 31, and clasp 31 usefulness screws 32 are fixed on the saddle body 33, and shock-absorbing spring 34 is established in saddle 3 rear ends, and its structural feature is that guide pin bushing 342 is established in spring 341 lower ends, and the latch 343 of trough of belt and tapered end is established at guide pin bushing 342 centers.When using pump, hand is pressed bayonet lock 24, bayonet lock 24 pressure springs 25, bayonet lock 24 is deviate from from the groove of latch 343, with the moving saddle body 33 of handspring, clasp 31 on the saddle body 33 is scratched front end and is rotated on elastic rod 21, saddle 3 opens, and can inflate operation, inflate finish after, pneumatic tube 111 is checked and regulated in Sheng dish 22, handle 100 is pushed into extreme lower position thereupon, with saddle under the handspring 3, this moment, the tapered end of latch 343 26 passed from the hole, pushing tow bayonet lock 24, pressure spring 25 heads in the groove of latch 343 under the spring force effect until bayonet lock 24, saddle 3 installs, saddle 3 Pillar for saddle 2 that no longer gets loose under steam, guide pin bushing 342 slides over guide 23 simultaneously, increases saddle 3 and is fixed on steadiness on the Pillar for saddle 2.

The said structure scheme, utilize the housing 11 of Saddel receiver bar as pump, with the steady root of Dahurian angelica of the main body of pump in vehicle frame, the then latent root of Dahurian angelica of the sponson of the handle 100 of pump, pneumatic tube 111 and piston rod 10 is below saddle 3, for this reason, saddle 3 is designed to open structure, inflates operation to adapt to.

With reference to Fig. 2,3, the formation of pump 1 active chamber is:

The A chamber: the A chamber is made of the lower end surface of cylindrical shell 15, piston 16 and the upper-end surface of cylindrical shell end socket 19;

The B chamber: the B chamber is made of the upper-end surface of cylindrical shell 15, piston 16, the lower end surface and the piston rod 10 of conical seal ring 14;

The C chamber: the C chamber is made of housing 11, cylindrical shell 15, upper cover 12 and lower seal head 110, and the working procedure of inflating is as follows:

1. promote piston 16 downwards with reference to Fig. 4: one-way valve 17 is closed under spring 172 effects, piston 16 moves air in the compression A chamber, inner air pressure reaches certain value when the A chamber, one-way valve 18 is backed down, pressurized air enters the C chamber from the A chamber through one-way valve 18, one-way valve 13 is in closed condition, and pressurized air is inflated through exit orifice 121, pump 1,

steam outlet pipe

110 and 111 pairs of bicycle tyres of pneumatic tube; When piston 16 moved down, the B chamber produced vacuum, and atmosphere, fills out conical seal ring 14 and enters the B chamber through the matching gap of piston rod 10 with upper cover 12 from the top of pump, and compression is inflated when moving up for piston 16.

2. pulling piston 16 is upwards with reference to Fig. 5: conical seal ring 14 is under the pressurized air effect, guarantee that piston rod can move freely, but the matching gap of closed piston bar 16 and upper cover 12, piston 16 moves air in the compression B chamber, inner air pressure reaches certain value when the B chamber, one-way valve 13 is backed down, pressurized air enters the C chamber from the B chamber through one-way valve 13, one-way valve 18 is in closed condition under spring 182 and C chamber gas pressure, pressurized air is inflated through

steam outlet pipe

110 and 111 pairs of bicycle tyres of pneumatic tube of exit orifice 121, pump 1; When moving on piston 16, the A chamber produces vacuum, and atmosphere, fills opening one-way valve 17 and enters the A chamber through handle 100 mesopores and piston rod 10 mesopores from the top of pump, and compression is inflated when moving down for piston 16.Solid arrow represents that pressurized air flows among Fig. 4,5, dotted arrow represent the atmosphere suction stream to, pump push-and-pull piston all can be inflated effectively, forms the bidirectional pump tube.

Claims

1. recessive type bidirectional pump tube of being made up of pump (1), Pillar for saddle (2) and saddle (3) is characterized in that:

A. pump (1) is established hollow handle (100), handle (100) connects hollow piston rod (10), handle (10) endoporus communicates with piston rod (10) endoporus, the work in coordination gap of ventilation of the endoporus that the shaft of piston rod (10) passes upper cover (12), the upper end of upper cover (12) and housing (11) endoporus are sealed and matched fixing, upper cover (12) lower end and cylindrical shell (15) endoporus be sealed and matched fixing, the upper-end surface of the lower end surface sealing applying conical seal ring (14) of upper cover (12), conical seal ring (14) endoporus and piston rod (10) cylindrical cooperate, piston rod (10) cylindrical and cylindrical shell (15) endoporus cooperate, establish one-way valve (13) in the upper cover (12), be provided with three through holes (122) in the upper cover (12), (123), (121), hole (122) connects one-way valve (13) and C chamber, hole (123) is connected one-way valve (13) and B chamber with hole (141) on the conical seal ring (14), exit orifice (121) communicates with the C chamber, and be connected with the snorkel (110) of pump (1), the lower end of piston rod (10) fixed piston (16) that is sealed and matched, establish one-way valve (17) in the piston (16), piston (16) upper end is established hole (161) and is connected piston rod (10) hollow cavity and one-way valve (17), establish seal ring (162) in the seal groove of piston (16), cylindrical shell (15) the lower end fixed cylinder end socket (19) that is sealed and matched, establish one-way valve (18) in the cylindrical shell end socket (19), cylindrical shell end socket (19) upper end is established hole (191) and is connected one-way valve (18) and A chamber, the lower end of housing (11) the fixedly lower seal head (115) that is sealed and matched;

B. Sheng dish (22) is established in the rear end of the back-shaped elastic rod (21) of Pillar for saddle (2), and Sheng dish (22) rear side is established guide (23), establishes bayonet lock (24) and spring (25) in the guide (23), establishes through hole (26) on guide (23) and the Sheng dish (22);

C. saddle (3) front end is established the fixing clasp (31) of screw (32), clasp (31) be sleeved on Pillar for saddle (2) back-shaped elastic rod (21) on scratch front end, constitute the articulating point that saddle (3) can open, guide pin bushing (342) is established in the lower end of saddle (3) rear end shock-absorbing spring (34), and the latch (343) of trough of belt and tapered end is established at guide pin bushing (342) center.

According to claim 1 fast pump, it is characterized in that the adjusting bolt (131) of one-way valve (13) is solid, a through hole is established at the adjusting bolt (173) of one-way valve (17), (18), the center of (183) respectively.

3. pump according to claim 1 is characterized in that seal ring (162) sectional shape of piston (16) is a rectangle, and the internal diameter of seal ring (162) is greater than the seal groove base diameter.