CN102582474A

CN102582474A - Automobile seat heightening pump

Info

Publication number: CN102582474A
Application number: CN2012100246888A
Authority: CN
Inventors: 刘金涛
Original assignee: DONGGUAN LINGRUI TRANSMISSION TECHNOLOGY Co Ltd; DONGGUAN LINGRUI AUTOMOBILE PARTS Co Ltd
Current assignee: DONGGUAN LINGRUI TRANSMISSION TECHNOLOGY Co Ltd; DONGGUAN LINGRUI AUTOMOBILE PARTS Co Ltd
Priority date: 2012-01-14
Filing date: 2012-01-14
Publication date: 2012-07-18

Abstract

The invention relates to the technical field of accessories of automobile seats, in particular to an automobile seat heightening pump. A shell is fixed on a fixing rack and is fastened with a cover via screws, the fixing rack and the shell are respectively provided with corresponding through holes, a toothed shaft is sleeved in the shell, a cylinder is arranged on the upper end surface of the toothed shaft, and rotating teeth are arranged on the lower end surface of the toothed shaft and respectively penetrate through the through holes of the fixing rack and the shell; a toothed disc is sleeved outside the toothed shaft, a disc with a toothed edge is formed on the upper end surface of the toothed disc, a through hole is arranged in the middle of the toothed disc, the cylinder of the toothed shaft penetrates through the through hole of the toothed disc, a handle is sleeved on the cylinder and drives a pawl, a tooth portion is arranged at the front end of the pawl, the rear end of the pawl is riveted on the handle, and the tooth portion of the pawl is meshed with the disc, with the toothed edge, formed on the upper end surface of the toothed disc; and the pawl can drive the toothed disc to rotate by means of rotating the handle, so that the height of a seat is adjusted. Compared with a foreign product, the automobile seat heightening pump is more optimal and simpler in structure, but the service effect of the automobile seat heightening pump is identical to that of the foreign product.

Description

Automotive seat increase pump

Technical field

The present invention relates to the automobile seat accessories technical field, refer in particular to automotive seat and increase pump.

Background technology

Existing automobile seat increases pump; The mechanism that manual regulation and motorized adjustment are arranged, at present, for domestic enterprise; Can't design better products; General automobile enterprise all be adopt import increase the pump product, import to increase pump product engineering structure accurate, product structure is higher than complicacy and cost.

Increase pump for manual regulation; The present domestic disclosed patent documentation that reference value is arranged that only has; The patent No. is " 200920071027.4 "; It discloses the lockable mechanism of a kind of automotive seat with manual height-regulating mechanism, comprises a core, release wheel, set collar, jam plate, spring and roller; Jam plate is installed in the set collar and but the relative fixed ring rotates; The two ends of each spring connect a roller respectively and constitute a spring roller member; A plurality of spring roller member are placed between jam plate and the set collar; All there is friction between each roller and jam plate, the set collar, thus this a plurality of spring roller member these jam plates of locking and set collar; The axle core connects the release wheel can drive the rotation of release wheel; The release wheel has a plurality of shift forks; The shift fork of release wheel is inserted in the space between jam plate and the set collar, has two outsides of a spring roller member and two shift forks that the radially extended projection of jam plate is arranged respectively between two shift forks.

Above-mentioned patent only discloses a kind of lockable mechanism of manual height-regulating mechanism, does not still solve aforementioned pump product structure, the problem that can not homemade higher than complicacy and cost that increase.

Therefore, increase the defective of pump, need increase pump to existing automobile seat and improve based on above-mentioned existing automotive seat.

Summary of the invention

The deficiency that the objective of the invention is to prior art provides a kind of automotive seat to increase pump, these automotive seat increase pump can solve existing increase the existing structure of pump higher than complicacy and cost, can not be homemade etc. defective.

For realizing above-mentioned purpose, the present invention realizes through following technical scheme:

Automotive seat increase pump; Be fixed with shell on the fixed mount; Shell and lid tighten together through screw, and fixed mount, shell have cooresponding through hole respectively, and the tooth axle sleeve is located in the shell; The upper surface of tooth axle has cylinder, the lower surface has the commentaries on classics tooth, changes the through hole that tooth passes fixed mount, shell respectively; The tooth outer shaft sleeve is provided with fluted disc; The upper surface of fluted disc forms the disk with tooth limit, and the fluted disc middle part offers through hole, and the cylinder of tooth axle passes the through hole of fluted disc; Be arranged with handle on the cylinder; Handle drives has ratchet, and the ratchet front end has tooth portion, the rear end is riveted on the handle, the disk engagement with tooth limit of the tooth portion of ratchet and the moulding of fluted disc upper surface.

Be formed with position-limited trough on the said lid, the upper surface of the tooth portion of ratchet is provided with locating dowel pin, and locating dowel pin embeds in the position-limited trough.

The part of the side of said lid is not sealed and is formed with the depression platform.

Said ratchet has two, is symmetrical set, and between these two ratchets ratchet spring is installed.

The position-limited trough two ends of said lid form the limiting section that is step-like respectively.

On the said handle leaf spring is installed, and this leaf spring is between the upper surface of the lower surface of fluted disc, tooth axle.

The two ends of the inboard depression relatively of said lid flat-bed part are protruded in opposite directions and are formed with block, and an end of leaf spring is fixed on the handle, and the other end of leaf spring and block activity offset.

Said leaf spring outwards forms a plurality of lug bosses.

The lower surface of said fluted disc has 6 projections of well-distributed, is embedded with ball between two adjacent projections and in the crack formed each other of tooth axle and shell.

The main body of said tooth axle is hexagon, and corresponding two balls in each bar limit are folded with spring chair between two balls.

Beneficial effect of the present invention is: during use, through rotary handle, drive ratchet; Make ratchet can drive the fluted disc rotation, and then make the rotation of tooth axle, realize the height of seat adjusting; The texture ratio external product more optimizes, succinctly, and can realize identical result of use, cost is relatively low.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is another angle structural representation of the present invention;

Fig. 3 is a part-structure decomposing schematic representation one of the present invention;

Fig. 4 is another angle scheme drawing of Fig. 3;

Fig. 5 is a part-structure decomposing schematic representation two of the present invention;

Element and Reference numeral:

Fixed mount 10,

Lid 20, depression platform 21, position-limited trough 22, limiting section 23, block 24, retaining portion 25, trepanning 26,

Shell 30,

Tooth axle 40, main body 41, cylinder 42 changes tooth 43,

Fluted disc 50, disk 51, projection 52,

Handle 60, salient 61,

Ratchet 70, tooth portion 71, locating dowel pin 72,

Ratchet spring 80,

Leaf spring 90,

Ball 100,

Spring chair 110,

Rivet 120,

Screw 130.

The specific embodiment

Below in conjunction with accompanying drawing the present invention is further described.

Seeing Fig. 1---concrete structure and principle that Fig. 2, automotive seat of the present invention increase pump are following:

Be fixed with shell 30 on the fixed mount 10, shell 30 tightens together through screw 130 with lid 20, and fixed mount 10, shell 30 have cooresponding through hole respectively.

Include with lower component in the space between shell 30 and the lid 20: tooth axle 40, fluted disc 50, handle 60, ratchet 70, ratchet spring 80, leaf spring 90, ball 100, spring chair 110, rivet 120.

Wherein, Tooth axle 40 is sheathed in the shell 30, and shown in figure, the main body 41 of tooth axle 40 is hexagon; Along on the axis direction of main body 41; The upper surface of tooth axle 40 has cylinder 42, the lower surface has the tooth 43 of commentaries on classics, changes the through hole that tooth 43 passes fixed mount 10, shell 30 respectively, is used for being connected with outside seat unit.

Fluted disc 50 is sheathed on outside the tooth axle 40; The upper surface protrusion of fluted disc 50 forms the disk 51 with tooth limit; The lower surface of fluted disc 50 has 6 projections 52 of well-distributed; Be embedded with two balls 100 between two adjacent projections 52 and in tooth axle 40 and the shell 30 mutual cracks of forming, promptly corresponding two balls 100 in each bar limit of tooth axle 40 are folded with spring chair 110 between cooresponding two balls 100 in each bar limit; Ball 100 cooperates with tooth axle 40 realizes the position locking, and locking effect of the present invention is better.

Fluted disc 50 middle parts offer through hole, and the cylinder 42 of the upper surface of tooth axle 40 passes this through hole of fluted disc 50.

Lid 20 of the present invention is similar with common cover substantially.Lid 20 has depression platform 21 towards the lower surface of shell 30 1 sides; A part that is actually the side of lid 20 is not sealed and is formed; The two ends of untight part form retaining portion 25; This depression platform 21 provides revolution space for handle 60, that is, handle 60 can only rotate in this caves in platform 21 formed angular ranges; That is be the anglec of rotation that limits handle 60 through the retaining portion 25 at two ends, the concrete corner dimension that this depression platform 21 is provided can change according to designer's requirement.

Lid 20 middle parts have trepanning 26; Salient 61 on the handle 60 is sheathed in the trepanning 26 of this lid 20, makes handle 60 produce rotation around this trepanning 26, certainly; The salient 61 of handle 60 also is to be used for socket-connecting with the cylinder 42 of tooth axle 40, increases the steadiness of this cylinder 42.

Handle 60 is sheathed on the cylinder 42 of tooth axle 40, and handle 60 can rotatablely move around this cylinder 42; Handle 60 is flats, a side-prominent salient 61 that is formed with, and a side that is positioned at salient 61 is strip; Supply the user to rotate with held; The opposite side that is positioned at salient 61 is curved, and the outer rim of this arch section is equipped with leaf spring 90, and this leaf spring 90 is between the upper surface of the lower surface of fluted disc 50, tooth axle 40; This leaf spring 90 can provide power-assisted for handle 60 rotation, also can be handle 60 and resets application force is provided; One end of leaf spring 90 is fixed in the arch section of handle 60, and the other end is a movable end.

Lid 20 inboards are divided into two parts, and one of them part is the part of aforementioned depression platform 21, and another part of this depression platform 21 is the part that supplies leaf spring 90 activities relatively; The two ends of this part are protruded in opposite directions and are formed with block 24, and this part is curved, and an end of leaf spring 90 is fixed on the handle 60; The movable end of leaf spring 90 and block 24 activities offset, and when the movable end of leaf spring 90 and block 24 offset, if handle 60 continues firmly to rotate the leaf spring 90 and the madial wall of lid 20 are offseted; Realize the friction location, handle 60 can't rotate again, and if handle 60 backward rotation; Leaf spring 90 separates with the madial wall of lid 20, and then handle 60 can rotate smoothly.

For increasing result of use, leaf spring 90 outwards forms a plurality of lug bosses, both can increase the resistance to deformation power of self, can realize friction location fast again.

The lower surface of handle 60 is equipped with ratchet 70, and ratchet 70 front ends are that movable end, rear end are fixed end, and the fixed end of ratchet 70 is riveted on the handle 60 through rivet 120, and ratchet 70 can rotate around this rivet 120; The movable end of ratchet 70 has tooth portion 71, and the movable end of ratchet 70 is provided with the locating dowel pin 72 vertical with tooth portion 71, and locating dowel pin 72 is parallel with rivet 120; The tooth portion 71 of the movable end of

ratchet

70 and 51 engagements of the disk with tooth limit of fluted disc 50 upper surface moulding.

Concrete; Outwards protrusion is formed with position-limited trough 22 on the depression platform 21 of lid 20; In product when assembling,, the locating dowel pin 72 of ratchet 70 promptly embeds in this position-limited trough 22, and position-limited trough 22 is used to limit the moving of locating dowel pin 72 of ratchet 70; This position-limited trough 22 is identical with the motion track of locating dowel pin 72, and is all curved.

Handle 60 of the present invention drives two ratchets 70; One of them ratchet 70 is realized the positive dirction driving, and another ratchet 70 realizes that reversing senses drive, thereby realizes the rising and reduction control of seat; For realizing the control effect; These two ratchets 70 are symmetrical set, and between these two ratchets 70 ratchet spring 80 are installed, promptly can provide handle 60 just changeing, when reversing to the control of seat.

Further; For handle 60 just being changeed, driving fluted disc 50 through 70 work of different ratchets when reversing; Position-limited trough 22 two ends at lid 20 form limiting section 23 respectively, and position-limited trough 22 is used to supply the locating dowel pin 72 of ratchet 70 to move, so the width of position-limited trough 22 is than the somewhat larger in diameter of locating dowel pin 72; And limiting section 23 is slightly wide and longer than the diameter of locating dowel pin 72 than position-limited trough 22, forms the structure of similar step; Principle of work is, when the locating dowel pin 72 of one of them ratchet 70 was positioned at limiting section 23 and limited 23 and stops, another ratchet 70 can be realized the driving that is rotated in the forward to fluted disc 50, otherwise, then can realize the contrarotation of fluted disc 50 is driven.

The present invention's realization is just changeed, the principle of inversion driving seat ascending, descending control is:

The releasing action of the locating dowel pin of realizing being stopped 72; The firmly rotation of direction of the locating dowel pin 72 that only needs handle 60 is stopped to this quilt; Make locating dowel pin 72 separate and break away from stopping of limiting section 23 with step; The ratchet 70 that stops of this quilt is got back to rapidly in the position-limited trough 22 under the effect of ratchet spring 80 simultaneously;

Continuation is rotated handle 60 to ratchet 70 directions that originally do not stopped; When the locating dowel pin 72 of this ratchet that is not stopped 70 entered into the limiting section 23 that is positioned at this side, under the effect of ratchet spring 80, the locating dowel pin 72 and the step of this ratchet that is not stopped 70 offseted; Rotated by stopping no longer of limiting section 23; At this moment, this ratchet 70 is promptly limited, accomplishes the mode of operation conversion of two ratchets 70.

Terminal with compact integral structure of the present invention can reach and the external identical result of use of like product.

Certainly; The embodiment of the above is a preferred embodiments of the present invention, and unrestricted practical range of the present invention; So all equivalences of doing according to the described structure of claim of the present invention, characteristic and principle change or modify, and all should be included in the claim of the present invention.

Claims

1. automotive seat increase pump; Be fixed with shell on the fixed mount; Shell and lid tighten together through screw, and fixed mount, shell have cooresponding through hole respectively, and the tooth axle sleeve is located in the shell; The upper surface of tooth axle has cylinder, the lower surface has the commentaries on classics tooth, changes the through hole that tooth passes fixed mount, shell respectively; It is characterized in that: the tooth outer shaft sleeve is provided with fluted disc; The upper surface of fluted disc forms the disk with tooth limit, and the fluted disc middle part offers through hole, and the cylinder of tooth axle passes the through hole of fluted disc; Be arranged with handle on the cylinder; Handle drives has ratchet, and the ratchet front end has tooth portion, the rear end is riveted on the handle, the disk engagement with tooth limit of the tooth portion of ratchet and the moulding of fluted disc upper surface.

2. automotive seat according to claim 1 increase pump, it is characterized in that: be formed with position-limited trough on the said lid, the upper surface of the tooth portion of ratchet is provided with locating dowel pin, and locating dowel pin embeds in the position-limited trough.

3. automotive seat according to claim 2 increase pump, it is characterized in that: the part of the side of said lid is not sealed and is formed with the depression platform.

4. automotive seat according to claim 3 increase pump, it is characterized in that: said ratchet has two, is symmetrical set, and between these two ratchets ratchet spring is installed.

5. automotive seat according to claim 4 increase pump, it is characterized in that: the position-limited trough two ends of said lid form the limiting section that is step-like respectively.

6. automotive seat according to claim 3 increase pump, it is characterized in that: on the said handle leaf spring is installed, and this leaf spring is between the upper surface of the lower surface of fluted disc, tooth axle.

7. automotive seat according to claim 6 increase pump, it is characterized in that: the two ends of the inboard depression relatively of said lid flat-bed part are protruded in opposite directions and are formed with block, and an end of leaf spring is fixed on the handle, and the other end of leaf spring and block activity offset.

8. automotive seat according to claim 7 increase pump, it is characterized in that: said leaf spring outwards forms a plurality of lug bosses.

9. automotive seat according to claim 1 increase pump, it is characterized in that: the lower surface of said fluted disc has 6 projections of well-distributed, is embedded with ball between two adjacent projections and in the crack formed each other of tooth axle and shell.

10. automotive seat according to claim 9 increase pump, it is characterized in that: the main body of said tooth axle is hexagon, and corresponding two balls in each bar limit are folded with spring chair between two balls.