CN207812580U - Top lifting sink mandril sealing structure - Google Patents

Abstract

The utility model discloses a kind of top lifting sink mandril sealing structures, it includes the mandril being arranged in groove body bottom wall through-hole, and the lower end of mandril is connect with driving mechanism, the upper end of mandril be arranged in groove body and liftable platen is connect；The bushing with centre bore is fixedly connected in through-hole, mandril is slidably fitted in the centre bore of bushing；The both ends of bushing all extend to two outsides of groove body bottom wall：Upper elongated end and lower elongated end are connected with annular seal ring on the centre bore inner peripheral wall of the upper elongated end；The center bore inner wall of lower elongated end is equipped with up-small and down-big, the tapered setting of inner peripheral wall cavity, and an elastic seal cartridge is flexibly connected in cavity；Spiral is connected with hold-down mechanism on the outer circle wall of lower elongated end, and hold-down mechanism is used for upward pushing tow and compresses the lower end of elastic seal cartridge.The top lifting sink mandril sealing structure makes mandril good seal performance, and sealed pressure is adjustable.

Description

Top lifting sink mandril sealing structure

Technical field

The utility model is related to kitchen tools mounting technique fields, are especially a kind of top lifting sink mandril sealing knot Structure.

Background technology

With economic continuous development, people’s lives level is also being continuously improved；Meanwhile people are to the work(of kitchen furniture It can be also higher and higher with intelligentized requirement.The general area in kitchen of family is smaller, and sink then occupies more space how The function of sink is innovated, makes it meet the needs of people are daily, is the technical issues of producer makes great efforts to solve always.It is existing There is the sink of technology usually independently arranged, function is relatively simple, and intelligence degree is relatively low；Namely sink only has bath clear The function of washing cannot then meet daily the needs of cooking for the smaller family of kitchen area；For example, vegetables are completed in cleaning Afterwards, not extra space is placed；It is needed when cutting the dish using chopping block pad in sink top；Dishes on sink table top is easy to be touched Fall in sink etc..How sink is improved, is allowed to solve above-mentioned technical problem, producer proposes many designs, relatively manages The scheme thought is that lifting table plate will be arranged in sink；But there is new technical barrier again therewith, such as drive the top of bedplate up-down How bar seals, and after prolonged use with the abrasion of component, and how about sealing performance is ensured well Deng problems annoying always people.

Utility model content

The technical problems to be solved in the utility model is to overcome the defect of the above prior art, and providing one kind keeps mandril close Sealing property is good, and the adjustable top lifting sink mandril sealing structure of sealed pressure.

The technical solution of the utility model is to provide a kind of top lifting sink mandril having following structure Sealing structure：It includes the mandril being arranged on groove body bottom wall in through-hole, and the lower end of the mandril is connect with driving mechanism, mandril Upper end be arranged in groove body and liftable platen is connect；The bushing with centre bore, institute are fixedly connected in the through-hole The mandril stated is slidably fitted in the centre bore of bushing；The both ends of the bushing all extend to two outsides of groove body bottom wall：On prolong End and lower elongated end are stretched, annular seal ring is connected on the centre bore inner peripheral wall of the upper elongated end；The lower elongated end Center bore inner wall is equipped with up-small and down-big, the tapered setting of inner peripheral wall cavity, and flexible connection one is elastic in the cavity Sealing shroud；Spiral is connected with hold-down mechanism on the outer circle wall of the lower elongated end, and the hold-down mechanism is used for upward pushing tow And compress the lower end of elastic seal cartridge.

After using the above structure, the utility model top lifting sink with mandril sealing structure compared with prior art, It has the following advantages：The top lifting sink mandril sealing structure is for preventing the water in groove body from being flowed out out of through-hole；And The sealing structure is sealed using two-part, i.e., in the annular seal ring sealing of upper elongated end centre bore and lower elongated end cavity Elastic seal cartridge seals；And the cavity that elastic seal cartridge houses is up-small and down-big, the tapered setting of inner peripheral wall cavity, pressure Tight mechanism adjustable elastic sealing shroud is inserted into the depth of cavity, and elastic seal cartridge and top are adjusted under the action of cavity conical inboard wall Sealed pressure between bar avoids using for a long time, and there are the gaps of leak between mandril after elastic seal cartridge is impaired.Therefore The top lifting sink mandril sealing structure makes mandril good seal performance, and sealed pressure is adjustable.

Preferably, the center bore inner wall of the cavity lower end is equipped with the step chamber being connected to cavity, the step chamber Internal clearance offsets with the cyclic annular jacking block of unification, the upper end of the ring-type jacking block and the bottom of elastic seal cartridge；The lower elongated end Spiral is connected with locking nut on outer circle wall, and the lower end of the locking nut, which is equipped with, compresses bottom cover, described to compress the interior of bottom cover The lower end of bottom wall and jacking block offsets.Rotate locking nut, the compression bottom cover pushing tow ring-type jacking block of locking nut lower end, to make ring The upward pushing tow elastic seal cartridge of shape jacking block, to adjust the depth that elastic seal cartridge is inserted into cavity, to adjust elastic seal cartridge Sealed pressure between mandril.

Preferably, the outer circle wall of the elastic seal cartridge is the cone consistent with the conical inboard wall taper of cavity Wall.The outer circle wall of elastic seal cartridge is the cone-shaped wall consistent with the conical inboard wall taper of cavity, bullet conveniently adjusted in this way Property sealing shroud be inserted into the depth in cavity, and the conical inboard wall of cavity generates to contract the outer circle wall of elastic seal cartridge Power keeps the sealing performance between elastic seal cartridge and mandril more preferable.

As an improvement, the upper surface of the ring-type jacking block is equipped with multiple hemisphere juts, and the top of hemisphere jut and bullet The bottom of property sealing shroud offsets.The hemisphere jut is steel ball, and the upper surface of the cyclic annular jacking block is spacious equipped with multiple tops The storage tank opened, each storage tank is interior to be equipped with a steel ball, and the top of steel ball is arranged in the outside of cyclic annular jacking block upper surface.It is cyclic annular The bottom of the hemisphere jut and elastic seal cartridge that are arranged on jacking block is point contact, therefore in mandril slide downward, because of frictional force Effect elastic seal cartridge can be made to move downwards, since the bottom of hemisphere jut and elastic seal cartridge on cyclic annular jacking block is Point contact, its bottom has certain elastic free gap during elastic seal cartridge moves down, to avoid mandril Larger noise is generated because of friction between elastic seal cartridge.

Description of the drawings

Fig. 1 is mounting structure schematic diagram of the utility model top lifting sink mandril sealing structure in groove body.

Fig. 2 is the cross-sectional view of the utility model top lifting sink mandril sealing structure.

As shown in the figure：

1, groove body, 2, mandril, 3, platen, 4, through-hole, 400, bushing, 401, upper elongated end, 402, lower elongated end, 403, ring Shape sealing ring, 404, centre bore, 405, cavity, 406, elastic seal cartridge, 407, step chamber, 408, cyclic annular jacking block, 409, locking Nut, 410, compress bottom cover, 411, hemisphere jut, 412, storage tank, 5, driving mechanism.

Specific implementation mode

The utility model is described in further detail in the following with reference to the drawings and specific embodiments.

In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" "inner", "outside" be orientation based on ... shown in the drawings or Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

As depicted in figs. 1 and 2,

A kind of top lifting sink mandril sealing structure of the utility model, it includes being arranged on 1 bottom wall of groove body to lead to The lower end of mandril 2 in hole 4, the mandril 2 is connect with driving mechanism 5, and upper end and the setting of mandril 2 in groove body 1 and can rise The platen 3 of drop connects；The bushing 400 with centre bore 404 is fixedly connected in the through-hole 4, the mandril 2 is slidably fitted in In the centre bore 404 of bushing 400；The both ends of the bushing 400 all extend to two outsides of 1 bottom wall of groove body：401 He of upper elongated end Lower elongated end 402 is connected with annular seal ring 403 on the centre bore inner peripheral wall of the upper elongated end 401；The lower elongated end 402 center bore inner wall is equipped with up-small and down-big, the tapered setting of inner peripheral wall cavity 405, activity in the cavity 405 Connect an elastic seal cartridge 406；Spiral is connected with hold-down mechanism, the compression on the outer circle wall of the lower elongated end 402 Mechanism is used for upward pushing tow and compresses the lower end of elastic seal cartridge 406.The sealing structure is used to prevent the water in groove body from through-hole Interior outflow；And the sealing structure is sealed using two-part, i.e., the annular seal ring sealing and lower extension of upper elongated end centre bore Hold the elastic seal cartridge sealing in cavity；And the cavity that elastic seal cartridge houses sets for up-small and down-big, inner peripheral wall is tapered The cavity set, hold-down mechanism adjustable elastic sealing shroud are inserted into the depth of cavity, bullet are adjusted under the action of cavity conical inboard wall Property sealing shroud and mandril between sealed pressure, avoid using for a long time, exist mandril between after elastic seal cartridge is impaired and leak The gap of water.

The center bore inner wall of 405 lower end of the cavity is equipped with the step chamber 407 being connected to cavity 405, the step chamber 407 internal clearances offset with the cyclic annular jacking block 408 of unification, the upper end and the bottom of elastic seal cartridge 406 of the ring-type jacking block 408；Institute It states spiral on the outer circle wall of lower elongated end 402 and is connected with locking nut 409, the lower end of the locking nut 409, which is equipped with, to be compressed Bottom cover 410, the inner bottom wall for compressing bottom cover 410 and the lower end of cyclic annular jacking block offset.Rotate locking nut, locking nut lower end Compression bottom cover pushing tow jacking block, to make the upward pushing tow elastic seal cartridge of jacking block, come adjust elastic seal cartridge be inserted into cavity in Depth, to adjust the sealed pressure between elastic seal cartridge and mandril.

The outer circle wall of the elastic seal cartridge 406 is the cone-shaped wall consistent with the conical inboard wall taper of cavity 405.Bullet Property sealing shroud outer circle wall be the cone-shaped wall consistent with the conical inboard wall taper of cavity, elastic packing conveniently adjusted in this way Set is inserted into the depth in cavity, and the conical inboard wall of cavity generates the outer circle wall of elastic seal cartridge the power to contract, makes Sealing performance between elastic seal cartridge and mandril is more preferable.

The upper surface of the ring-type jacking block 408 is equipped with multiple hemisphere juts 411, and the top of hemisphere jut 411 and bullet The bottom of property sealing shroud 406 offsets.The hemisphere jut 411 is steel ball, and the upper surface of the cyclic annular jacking block 408 is equipped with more A open storage tank 412 in top, each storage tank 412 is interior to be equipped with a steel ball, and the top of steel ball is arranged on cyclic annular jacking block The outside of end face.The bottom of the hemisphere jut and elastic seal cartridge that are arranged on cyclic annular jacking block is point contact, therefore downward in mandril When sliding, because the effect of frictional force can be such that elastic seal cartridge moves downwards, due to the hemisphere jut and bullet on cyclic annular jacking block Property sealing shroud bottom be point contact, its bottom has between certain elasticity activity during elastic seal cartridge moves down Gap, to avoid generating larger noise between mandril and elastic seal cartridge because of friction.

Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to In this, any one skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in Change or replace, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with right It is required that protection domain subject to.

Claims (4)

1. a kind of top lifting sink mandril sealing structure, it is characterised in that：It includes being arranged in through-hole on groove body bottom wall The lower end of interior mandril, the mandril is connect with driving mechanism, the upper end of mandril be arranged in groove body and liftable platen Connection；The bushing with centre bore is fixedly connected in the through-hole, the mandril is slidably fitted in the centre bore of bushing；Institute The both ends for stating bushing all extend to two outsides of groove body bottom wall：Upper elongated end and lower elongated end, the centre bore of the upper elongated end Annular seal ring is connected on inner peripheral wall；The center bore inner wall of the lower elongated end is in equipped with up-small and down-big, inner peripheral wall The cavity of taper setting, the cavity is interior to be flexibly connected an elastic seal cartridge；Spiral on the outer circle wall of the lower elongated end It is connected with hold-down mechanism, the hold-down mechanism is used for upward pushing tow and compresses the lower end of elastic seal cartridge.

2. top lifting sink mandril sealing structure according to claim 1, it is characterised in that：The cavity lower end Center bore inner wall be equipped with the step chamber that be connected to cavity, one ring-type jacking block of the step intracavitary clearance fit, the ring-type The upper end of jacking block and the bottom of elastic seal cartridge offset；Spiral is connected with locking nut on the outer circle wall of the lower elongated end, The lower end of the locking nut, which is equipped with, compresses bottom cover, and the inner bottom wall for compressing bottom cover and the lower end of cyclic annular jacking block offset.

3. top lifting sink mandril sealing structure according to claim 2, it is characterised in that：The elastic packing The outer circle wall of set is the cone-shaped wall consistent with the conical inboard wall taper of cavity.

4. top lifting sink mandril sealing structure according to claim 2, it is characterised in that：The ring-type jacking block Upper surface be equipped with multiple hemisphere juts, and the top of hemisphere jut and the bottom of elastic seal cartridge offset.